diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2011-08-01 10:21:26 +0000 |
---|---|---|
committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2011-08-01 10:21:26 +0000 |
commit | dced0f61f3eb8e164594fafc628ac7d8f97eacaf (patch) | |
tree | 10fa5a3b780fa37c7e9389a6ac51e0b5f8438503 /Build/source | |
parent | 9728af2a7e87fddfa3a77ae6dc24755d3dda3e71 (diff) |
seetexk: remove unused files
git-svn-id: svn://tug.org/texlive/trunk@23301 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source')
39 files changed, 13 insertions, 7878 deletions
diff --git a/Build/source/texk/seetexk/ChangeLog b/Build/source/texk/seetexk/ChangeLog index 8c51dac24d1..dfa21b1dea6 100644 --- a/Build/source/texk/seetexk/ChangeLog +++ b/Build/source/texk/seetexk/ChangeLog @@ -1,3 +1,15 @@ +2011-08-01 Peter Breitenlohner <peb@mppmu.mpg.de> + + Remove unused files (they can still be found under + <http://ctan.org/tex-archive/dviware/dvibook/libtex>). + * bcopy.c, bzero.c, conv.[ch], convstruct.h, dvi_draw.c, + dvistate.[ch], dvistuff.[ch], findpost.c, font.c, font_subr.c, + getopt.c, gfclass.[ch], gfcodes.h, gffont.c, magfactor.c, num.h, + pkfont.c, postamble.h, pxlfont.c, rotate.c, rstfont.c, + scaletfm.c, scanpost.c, sdecode.[ch], skip.c, split.c, strsave.c, + strtol.c, tfm.[ch], tfmfont.c: All removed. + * Makefile.am [EXTRA_DIST]: Removed. + 2010-12-08 Peter Breitenlohner <peb@mppmu.mpg.de> * dviconcat.c, dviselect.c: Fix typo (RBIN_MODE => WBIN_MODE). diff --git a/Build/source/texk/seetexk/Makefile.am b/Build/source/texk/seetexk/Makefile.am index 4efd518295b..c824cb8774b 100644 --- a/Build/source/texk/seetexk/Makefile.am +++ b/Build/source/texk/seetexk/Makefile.am @@ -1,6 +1,6 @@ ## Makefile.am for the TeX Live subdirectory texk/seetexk/ ## -## Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org> +## Copyright (C) 2009, 2011 Peter Breitenlohner <tex-live@tug.org> ## You may freely use, modify and/or distribute this file. ## ACLOCAL_AMFLAGS = -I ../../m4 @@ -46,43 +46,3 @@ dist_man1_MANS = dvibook.man dviconcat.man dviselect.man dvitodvi.man ## Rebuild libkpathsea @KPATHSEA_RULE@ -## Not used -## -EXTRA_DIST = \ - bcopy.c \ - bzero.c \ - conv.c \ - conv.h \ - convstruct.h \ - dvi_draw.c \ - dvistate.c \ - dvistate.h \ - dvistuff.c \ - dvistuff.h \ - findpost.c \ - font.c \ - font_subr.c \ - getopt.c \ - gfclass.c \ - gfclass.h \ - gfcodes.h \ - gffont.c \ - magfactor.c \ - num.h \ - pkfont.c \ - postamble.h \ - pxlfont.c \ - rotate.c \ - rstfont.c \ - scaletfm.c \ - scanpost.c \ - sdecode.c \ - sdecode.h \ - skip.c \ - split.c \ - strsave.c \ - strtol.c \ - tfm.c \ - tfm.h \ - tfmfont.c - diff --git a/Build/source/texk/seetexk/Makefile.in b/Build/source/texk/seetexk/Makefile.in index c42181d1015..1b1cc01cf44 100644 --- a/Build/source/texk/seetexk/Makefile.in +++ b/Build/source/texk/seetexk/Makefile.in @@ -300,44 +300,6 @@ noinst_HEADERS = \ dvicodes.h dist_man1_MANS = dvibook.man dviconcat.man dviselect.man dvitodvi.man -EXTRA_DIST = \ - bcopy.c \ - bzero.c \ - conv.c \ - conv.h \ - convstruct.h \ - dvi_draw.c \ - dvistate.c \ - dvistate.h \ - dvistuff.c \ - dvistuff.h \ - findpost.c \ - font.c \ - font_subr.c \ - getopt.c \ - gfclass.c \ - gfclass.h \ - gfcodes.h \ - gffont.c \ - magfactor.c \ - num.h \ - pkfont.c \ - postamble.h \ - pxlfont.c \ - rotate.c \ - rstfont.c \ - scaletfm.c \ - scanpost.c \ - sdecode.c \ - sdecode.h \ - skip.c \ - split.c \ - strsave.c \ - strtol.c \ - tfm.c \ - tfm.h \ - tfmfont.c - all: config.h $(MAKE) $(AM_MAKEFLAGS) all-am diff --git a/Build/source/texk/seetexk/bcopy.c b/Build/source/texk/seetexk/bcopy.c deleted file mode 100644 index e9bb17ea79e..00000000000 --- a/Build/source/texk/seetexk/bcopy.c +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/bcopy.c,v 3.1 89/08/22 21:42:07 chris Exp $"; -#endif - -/* - * Sample bcopy() routine. - * This should be rewritten to be as fast as possible for your - * machine. - */ -void bcopy(from, to, count) - register char *from, *to; - register int count; -{ - - if (from == to) - return; - if (from > to) { - while (--count >= 0) - *to++ = *from++; - } else { - from += count; - to += count; - while (--count >= 0) - *--to = *--from; - } -} diff --git a/Build/source/texk/seetexk/bzero.c b/Build/source/texk/seetexk/bzero.c deleted file mode 100644 index cf1dd416452..00000000000 --- a/Build/source/texk/seetexk/bzero.c +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/bzero.c,v 3.1 89/08/22 21:42:12 chris Exp $"; -#endif - -/* - * Sample bzero() routine. - * This should be rewritten to be as fast as possible for your - * machine. - */ -bzero(addr, count) - register char *addr; - register int count; -{ - - while (--count >= 0) - *addr++ = 0; -} diff --git a/Build/source/texk/seetexk/conv.c b/Build/source/texk/seetexk/conv.c deleted file mode 100644 index f2b096e8ddd..00000000000 --- a/Build/source/texk/seetexk/conv.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/conv.c,v 3.1 89/08/22 21:48:01 chris Exp $"; -#endif - -/* - * Conversions. - */ - -#include "types.h" -#include "conv.h" - -double DMagFactor(); - -Conv Conversion; /* the global conversion */ - -/* - * Set a conversion (possibly the global conversion). - */ -void -CSetConversion(c, dpi, usermag, num, denom, dvimag) - register struct conversion *c; - int dpi, usermag; - i32 num, denom, dvimag; -{ - double ddpi = dpi; - - c->c_mag = DMagFactor((int) dvimag) * DMagFactor(usermag); - c->c_dpi = ddpi; - - /* - * The conversion facture is figured as follows: there are exactly - * num/denom DVI units per decimicron, and 254000 decimicrons per - * inch, and dpi pixels per inch. Then we have to adjust this by - * the stated magnification. - */ - c->c_fromsp = (num / 254000.0) * (ddpi / denom) * c->c_mag; - - /* - * c->c_tosp is 1/c->c_fromsp, but we will invert the expression - * above in the hopes of some extra accuracy. - * - * IS THIS ANY GOOD? I NEED A NUMERICAL ANALYST! - */ - c->c_tosp = (254000.0 / num) * (denom / ddpi) * (1.0 / c->c_mag); -} diff --git a/Build/source/texk/seetexk/conv.h b/Build/source/texk/seetexk/conv.h deleted file mode 100644 index 3350ff5a909..00000000000 --- a/Build/source/texk/seetexk/conv.h +++ /dev/null @@ -1,89 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * Conversions. Conversion factors convert between values in scaled - * points and values in device-dependent units. The results of all - * conversions are rounded to the nearest integral value, of type (i32). - */ - -/* - * This is now done using `double' values, but may be changed to - * fixed-point or some other `fast' method, as long as the results - * are consistent and reasonably accurate. The structure `conversion' - * holds the conversion-method-dependent quantities; the macros - * fromSP and toSP apply the conversion to a value. (Note that - * fromSP and toSP need not be macros, but should be fast.) - * - * SetConversion sets the (single, global) conversion factor. - * If a driver needs special conversions, there is another routine, - * CSetConversion that sets a specific conversion, and cfromSP and - * ctoSP to apply these. - * - * IS USING DOTS PER INCH SUFFICIENT? (Pixels per point might be better.) - * - * Note that it is necessary to set the global conversion factor before - * using any fonts. - */ -typedef struct conversion { - double c_fromsp; /* multiplier to convert from scaled points */ - double c_tosp; /* multiplier to convert to scaled points: - could divide by c_fromsp, but this should - be faster and more accurate */ - double c_mag; /* the magnification this conversion - represents; mainly for GetFont() */ - double c_dpi; /* dpi (should be pixels per point?) */ -} Conv; - -extern Conv Conversion; /* the global conversion factor */ - -/* - * In order to do this, we need to round properly. The compilers I - * have tend to generate very poor code for this. The following is - * intended to help them out. Smarter compilers can do better, but - * if they are smart enough, they will realise that the variables - * here are not used anywhere else, and discard them. (For a compiler - * to do this given separate compliation, `static' is a must.) - */ -#ifdef lint /* or a smart compiler */ - -#define ROUND(f) ((i32) ((f) < 0.0 ? (f) - 0.5 : (f) + 0.5)) -#define CEIL(f) ((double) (i32) (f) < (f) ? (i32) (f) + 1 : (i32) (f)) - -#else /* lint */ - -static double _half = 0.5; -static double _d; -#define ROUND(f) ((i32) (_d = (f), _d < 0.0 ? _d - _half : _d + _half)) - -#ifdef NEGATIVE_FLOAT_ROUNDS_TO_NEGATIVE_INFINITY -#define CEIL(f) (-(i32) -(f)) -#else /* we will assume that floating to integer truncates */ -static i32 _i; -#define CEIL(f) (_i = _d = (f), _i < _d ? _i + 1 : _i) -#endif /* round towards negative infinity */ - -#endif /* lint */ - -#define SetConversion(dpi, usermag, num, denom, dvimag) \ - CSetConversion(&Conversion, dpi, usermag, num, denom, dvimag) - -#define cfromSP(c, v) ROUND((c)->c_fromsp * (v)) -#define ctoSP(c, v) ROUND((c)->c_tosp * (v)) - -#define fromSP(v) cfromSP(&Conversion, v) -#define toSP(v) ctoSP(&Conversion, v) - -/* - * Conversions for rules are a bit different: we must round up, rather - * than off. ConvRule applies the global conversion value for a rule - * value (height or width); CConvRule applies a specific conversion. - */ -#define CConvRule(c, v) CEIL((c)->c_fromsp * (v)) -#define ConvRule(v) CConvRule(&Conversion, v) - -void CSetConversion(); diff --git a/Build/source/texk/seetexk/convstruct.h b/Build/source/texk/seetexk/convstruct.h deleted file mode 100644 index b0f97088d8b..00000000000 --- a/Build/source/texk/seetexk/convstruct.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright 1989 Chris Torek - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Chris Torek or M.I.T. - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Chris - * Torek and M.I.T. make no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - * - * CHRIS TOREK AND M.I.T. DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS. IN NO EVENT SHALL CHRIS TOREK OR M.I.T. BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER - * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF - * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Original Author: - * Chris Torek - * Dept. of Computer Science - * Univ. of Maryland - * chris@cs.umd.edu - */ - -typedef struct conversion { - double c_fromsp; /* multiplier to convert from scaled points */ - double c_tosp; /* multiplier to convert to scaled points: - could divide by c_fromsp, but this should - be faster and more accurate */ - double c_mag; /* the magnification this conversion - represents; mainly for GetFont() */ - double c_dpi; /* dpi (should be pixels per point?) */ -} Conv; diff --git a/Build/source/texk/seetexk/dvi_draw.c b/Build/source/texk/seetexk/dvi_draw.c deleted file mode 100644 index 9f4f793b937..00000000000 --- a/Build/source/texk/seetexk/dvi_draw.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Support drawing routines for TeXsun and TeX - * - * Copyright, (C) 1987, 1988 Tim Morgan, UC Irvine - * Copyright 1989 Dirk Grunwald (extensions & fixes) - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Tim Morgan, Dirk - * Grunwald or M.I.T. not be used in advertising or publicity - * pertaining to distribution of the software without specific, - * written prior permission. Tim Morgan, Dirk Grunwald and M.I.T. - * makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - * - * TIM MORGAN, - * DIRK GRUNWALD AND M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT - * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE - * OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: - * Tim Morgan - * Dept. of Computer Science - * Univ. of Calf. at Irvine - * - * Dirk Grunwald - * Dept. of Computer Science - * - * - * At the time these routines are called, the values of hh and vv should - * have been updated to the upper left corner of the graph (the position - * the \special appears at in the dvi file). Then the coordinates in the - * graphics commands are in terms of a virtual page with axes oriented the - * same as the Imagen and the SUN normally have: - * - * 0,0 - * +-----------> +x - * | - * | - * | - * \ / - * +y - * - * Angles are measured in the conventional way, from +x towards +y. - * Unfortunately, that reverses the meaning of "counterclockwise" - * from what it's normally thought of. - * - * A lot of floating point arithmetic has been converted to integer - * arithmetic for speed. In some places, this is kind-of kludgy, but - * it's worth it. - */ - -static char *rcsid="$Header: /usr/local/src/Uiuctex/libtex/RCS/dvi_draw.c,v 1.3 88/02/19 17:00:34 grunwald Exp Locker: grunwald $" ; - -#include <math.h> -#include <stdio.h> -#include <ctype.h> - -#define MAXPOINTS 300 /* Max points in a path */ -#define TWOPI (3.14159265359*2.0) -#define MAX_PEN_SIZE 7 /* Max pixels of pen width */ - - -static int xx[MAXPOINTS], yy[MAXPOINTS]; /* Path in milli-inches */ -static int path_len = 0; /* # points in current path */ -int pen_size = 1; /* Pixel width of lines drawn */ -#define FALSE 0 -#define TRUE 1 -int whiten = FALSE, shade = FALSE, blacken = FALSE; - -extern void dot_at(), line_btw(), do_attribute_path(); - -#define shrink_factor shrinkFactor[currentShrink] - -/* Unfortunately, these values also appear in dvisun.c */ -#define xRESOLUTION (dviDPI/shrink_factor) -#define yRESOLUTION (dviDPI/shrink_factor) - -extern int dviDPI, currentShrink, shrinkFactor[]; - - -/* - * Issue warning/error messages - */ -void Fatal(msg) -char *msg; -{ - fprintf(stderr, "%s\n", msg); - exit(1); -} - -static void Warning(fmt, msg) -char *fmt, *msg; -{ - fprintf(stderr, fmt, msg); - fputc ('\n', stderr); -} - - -/* - * Set the size of the virtual pen used to draw in milli-inches - */ -/* ARGSUSED */ -void set_pen_size(cp) -char *cp; -{ - int ps; - - if (sscanf(cp, " %d ", &ps) != 1) { - Warning("illegal .ps command format: %s", cp); - return; - } - pen_size = (ps*(xRESOLUTION+yRESOLUTION) + 1000) / 2000; - if (pen_size < 1) pen_size = 1; - else if (pen_size > MAX_PEN_SIZE) pen_size = MAX_PEN_SIZE; -} - - -/* - * Print the line defined by previous path commands - */ -void flush_path() -{ - register int i; - int last_min_x, last_max_x, last_min_y, last_max_y; - - last_min_x = 30000; last_min_y = 30000; - last_max_x = -30000; last_max_y = -30000; - for (i=1; i<path_len; i++) { - if (xx[i] > last_max_x) last_max_x = xx[i]; - if (xx[i] < last_min_x) last_min_x = xx[i]; - if (yy[i] > last_max_y) last_max_y = yy[i]; - if (yy[i] < last_min_y) last_min_y = yy[i]; - line_btw(xx[i], yy[i], xx[i+1], yy[i+1]); - } - if (xx[path_len] > last_max_x) last_max_x = xx[path_len]; - if (xx[path_len] < last_min_x) last_min_x = xx[path_len]; - if (yy[path_len] > last_max_y) last_max_y = yy[path_len]; - if (yy[path_len] < last_min_y) last_min_y = yy[path_len]; - path_len = 0; - do_attribute_path(last_min_x, last_max_x, last_min_y, last_max_y); -} - - -/* - * Print a dashed line along the previously defined path, with - * the dashes/inch defined. - */ -void flush_dashed(cp, dotted) -char *cp; -int dotted; -{ - int i, numdots, x0, y0, x1, y1; - int cx0, cy0, cx1, cy1; - float inchesperdash; - double d, spacesize, a, b, dx, dy, milliperdash; - - if (sscanf(cp, " %f ", &inchesperdash) != 1) { - Warning("illegal format for dotted/dashed line: %s", cp); - return; - } - if (path_len <= 1 || inchesperdash <= 0.0) { - Warning("illegal conditions for dotted/dashed line%s", ""); - return; - } - milliperdash = inchesperdash * 1000.0; - x0 = xx[1]; y0 = yy[1]; - x1 = xx[2]; y1 = yy[2]; - dx = x1 - x0; - dy = y1 - y0; - if (dotted) { - numdots = sqrt(dx*dx + dy*dy) / milliperdash + 0.5; - if ( numdots == 0 ) { /* always draw at least one dot */ - numdots = 1; - } - for (i=0; i <= numdots; i++) { - a = (float) i / (float) numdots; - cx0 = x0 + a*dx + 0.5; - cy0 = y0 + a*dy + 0.5; - dot_at(cx0, cy0); - } - } - else { - d = sqrt(dx*dx + dy*dy); - if (d <= 2.0*milliperdash) - line_btw(x0, y0, x1, y1); - else { - numdots = d / (2.0*milliperdash) + 1.0; - spacesize = (d - numdots * milliperdash) / (numdots - 1); - for (i=0; i<numdots-1; i++) { - a = i * (milliperdash + spacesize) / d; - b = a + milliperdash / d; - cx0 = x0 + a*dx + 0.5; - cy0 = y0 + a*dy + 0.5; - cx1 = x0 + b*dx + 0.5; - cy1 = y0 + b*dy + 0.5; - line_btw(cx0, cy0, cx1, cy1); - b += spacesize / d; - } - cx0 = x0 + b*dx + 0.5; - cy0 = y0 + b*dy + 0.5; - line_btw(cx0, cy0, x1, y1); - } - } - path_len = 0; -} - - -/* - * Add a point to the current path - */ -void add_path(cp) -char *cp; -{ - int pathx, pathy; - - if (++path_len >= MAXPOINTS) Fatal("Too many points"); - if (sscanf(cp, " %d %d ", &pathx, &pathy) != 2) - Fatal("Malformed path command"); - xx[path_len] = pathx; - yy[path_len] = pathy; -} - - -/* - * Draw to a floating point position - */ -static void im_fdraw(x, y) -double x,y; -{ - if (++path_len >= MAXPOINTS) Fatal("Too many arc points"); - xx[path_len] = x + 0.5; - yy[path_len] = y + 0.5; -} - - -/* - * Draw an arc - */ -void arc(cp) -char *cp; -{ - int xc, yc, xrad, yrad, n; - float start_angle, end_angle, angle, theta, r; - double xradius, yradius, xcenter, ycenter; - - if (sscanf(cp, " %d %d %d %d %f %f ", &xc, &yc, &xrad, &yrad, &start_angle, - &end_angle) != 6) { - Warning("illegal arc specification: %s", cp); - return; - } - /* We have a specialized fast way to draw closed circles/ellipses */ - if (start_angle <= 0.0 && end_angle >= 6.282) { - draw_ellipse(xc, yc, xrad, yrad); - return; - } - xcenter = xc; - ycenter = yc; - xradius = xrad; - yradius = yrad; - r = (xradius + yradius) / 2.0; - theta = sqrt(1.0 / r); - n = 0.3 * TWOPI / theta + 0.5; - if (n < 12) n = 12; - else if (n > 80) n = 80; - n /= 2; - theta = TWOPI / n; - flush_path(); - im_fdraw( xcenter + xradius*cos(start_angle), - ycenter + yradius*sin(start_angle) ); - angle = start_angle + theta; - while (angle < end_angle) { - im_fdraw(xcenter + xradius*cos(angle), - ycenter + yradius*sin(angle) ); - angle += theta; - } - im_fdraw(xcenter + xradius*cos(end_angle), - ycenter + yradius*sin(end_angle) ); - flush_path(); -} - - -/* - * APPROXIMATE integer distance between two points - */ -#define dist(x0, y0, x1, y1) (abs(x0-x1)+abs(y0-y1)) - - -/* - * Draw a spline along the previously defined path - */ -void flush_spline() -{ - int xp, yp, N, lastx=(-1), lasty; - int t1, t2, t3, steps, j; - register int i, w; - -#ifdef lint - lasty = -1; -#endif - N = path_len + 1; - xx[0] = xx[1]; yy[0] = yy[1]; - xx[N] = xx[N-1]; yy[N] = yy[N-1]; - for (i=0; i<N-1; i++) { /* interval */ - steps = (dist(xx[i], yy[i], xx[i+1], yy[i+1]) + - dist(xx[i+1], yy[i+1], xx[i+2], yy[i+2])) / 80; - for (j=0; j<steps; j++) { /* points within */ - w = (j*1000 + 500) / steps; - t1 = w * w / 20; - w -= 500; - t2 = (750000 - w * w) / 10; - w -= 500; - t3 = w * w / 20; - xp = (t1*xx[i+2] + t2*xx[i+1] + t3*xx[i] + 50000) / 100000; - yp = (t1*yy[i+2] + t2*yy[i+1] + t3*yy[i] + 50000) / 100000; - if (lastx > -1) line_btw(lastx, lasty, xp, yp); - lastx = xp; - lasty = yp; - } - } - path_len = 0; -} - - -/* - * Shade the last box, circle, or ellipse - */ -void shade_last() -{ - blacken = whiten = FALSE; - shade = TRUE; -} - - -/* - * Make the last box, circle, or ellipse, white inside (shade with white) - */ -void whiten_last() -{ - whiten = TRUE; - blacken = shade = FALSE; -} - - -/* - * Make last box, etc, black inside - */ -void blacken_last() -{ - blacken = TRUE; - whiten = shade = FALSE; -} - - -/* - * Draw an ellipse with the indicated center and radices. - */ -draw_ellipse(xc, yc, xr, yr) -int xc, yc, xr, yr; -{ - double angle, theta; - int n, px0, py0, px1, py1; - - angle = (xr + yr) / 2.0; - theta = sqrt(1.0 / angle); - n = TWOPI / theta + 0.5; - if (n < 12) n = 12; - else if (n > 80) n = 80; - n /= 2; - theta = TWOPI / n; - - angle = 0.0; - px0 = xc + xr; /* cos(0) = 1 */ - py0 = yc; /* Sin(0) = 0 */ - while ((angle += theta) <= TWOPI) { - px1 = xc + xr*cos(angle) + 0.5; - py1 = yc + yr*sin(angle) + 0.5; - line_btw(px0, py0, px1, py1); - px0 = px1; - py0 = py1; - } - line_btw(px0, py0, xc + xr, yc); -} diff --git a/Build/source/texk/seetexk/dvistate.c b/Build/source/texk/seetexk/dvistate.c deleted file mode 100644 index 04d98d9c6b3..00000000000 --- a/Build/source/texk/seetexk/dvistate.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/dvistate.c,v 1.1 89/08/22 21:49:03 chris Exp $"; -#endif - -/* - * dvistate - basic DVI machine interpreter - */ - -#include <stdio.h> -#include "types.h" -#include "conv.h" -#include "dvicodes.h" -#include "error.h" -#include "fio.h" -#include "font.h" -#include "gripes.h" -#include "postamble.h" -#include "search.h" -#include "seek.h" -#include "dvistate.h" - -struct dvi_state ds; - -/* yech, statics! */ -static struct font *(*s_deffnt)(); -static int s_dpi; -static int s_errs; - -static void pre(), post(), fntdef(); - -#if !defined( WIN32 ) && !defined( _AMIGA ) -char *malloc(); -#endif - -/* - * Read through the postamble and the preamble and set up the - * global DVI state. Each font is passed to (*fontfn)(). - * Upon return, the input file (fp) is positioned at the beginning - * of the first page. - * - * dpi is the resolution of the printer in pixels (dots) per inch, - * and xoffset and yoffset are the values from the -X and -Y flags - * (default zero). We add 1000 to each offset (since the offsets - * are in 1/1000ths of an inch), and then multiply by dpi and divide - * by 1000, to get the actual offset. - * - * If a device introduces a constant offset, e.g., of .25 inch - * horizontally and .31 inch vertically, the caller can compensate - * by passing (xflag - 2500) and (yflag - 3100). - */ -void -DVISetState(fp, fontfn, dpi, xoffset, yoffset) - FILE *fp; - struct font *(*fontfn)(); - int dpi, xoffset, yoffset; -{ - - /* make sure fseek() will work */ - if ((ds.ds_fp = SeekFile(fp)) == NULL) - error(1, -1, "unable to copy input to temp file (disk full?)"); - - /* h and v must be deferred until we have a conversion */ - ds.ds_fresh.hh = ((1000 + (i32)xoffset) * dpi) / 1000; - ds.ds_fresh.vv = ((1000 + (i32)yoffset) * dpi) / 1000; - - ds.ds_fonts = SCreate(sizeof(struct font *)); - if (ds.ds_fonts == NULL) - error(1, 0, "cannot create font table (out of memory?)"); - s_errs = 0; - s_dpi = dpi; - s_deffnt = fontfn; - ScanPostAmble(ds.ds_fp, post, fntdef); - if (s_errs) - GripeMissingFontsPreventOutput(s_errs); - pre(); -} - -/* - * Read the preamble and apply sanity checks. - * The presence of a preamble is virtually certain, - * since we have already found and read a postamble. - */ -static void -pre() -{ - register int n; - register FILE *fp = ds.ds_fp; - - rewind(fp); - if (GetByte(fp) != Sign8(DVI_PRE)) - GripeMissingOp("PRE"); - if (GetByte(fp) != Sign8(DVI_VERSION)) - GripeMismatchedValue("version number"); - if (GetLong(fp) != ds.ds_num) - GripeMismatchedValue("numerator"); - if (GetLong(fp) != ds.ds_denom) - GripeMismatchedValue("denominator"); - if (GetLong(fp) != ds.ds_dvimag) - GripeMismatchedValue("\\magnification"); - n = UnSign8(GetByte(fp)); - while (--n >= 0) - (void) GetByte(fp); -} - -/* - * Store the relevant information from the DVI postamble. - */ -static void -post(p) - register struct PostAmbleInfo *p; -{ - register int n; - - ds.ds_prevpage = p->pai_PrevPagePointer; - ds.ds_num = p->pai_Numerator; - ds.ds_denom = p->pai_Denominator; - ds.ds_dvimag = p->pai_DVIMag; - ds.ds_maxheight = p->pai_TallestPageHeight; - ds.ds_maxwidth = p->pai_WidestPageWidth; - ds.ds_npages = p->pai_NumberOfPages; - - /* set the global conversion factor */ - SetConversion(s_dpi, - ds.ds_usermag, ds.ds_num, ds.ds_denom, ds.ds_dvimag); - - ds.ds_fresh.h = toSP(ds.ds_fresh.hh); - ds.ds_fresh.v = toSP(ds.ds_fresh.vv); -#ifdef unneeded /* counting on init-to-zero ... */ - ds.ds_fresh.w = 0; - ds.ds_fresh.x = 0; - ds.ds_fresh.y = 0; - ds.ds_fresh.z = 0; -#endif - /* make the stack */ - n = p->pai_DVIStackSize * sizeof(DviStack); - if ((ds.ds_stack = (struct dvi_stack *)malloc((unsigned)n)) == NULL) - GripeOutOfMemory(n, "DVI stack"); - ds.ds_sp = ds.ds_stack; -} - -/* - * Handle a font definition from the postamble. - */ -static void -fntdef(p) - register struct PostAmbleFont *p; -{ - register struct font *f, **fp; - int def = S_CREATE | S_EXCL; - - fp = (struct font **)SSearch(ds.ds_fonts, p->paf_DVIFontIndex, &def); - if (fp == NULL) { - if (def & S_COLL) - GripeFontAlreadyDefined(p->paf_DVIFontIndex); - else - error(1, 0, "cannot stash font %ld (out of memory?)", - (long)p->paf_DVIFontIndex); - /* NOTREACHED */ - } - - /* apply driver function to get font */ - f = (*s_deffnt)(p->paf_name, p->paf_DVIMag, p->paf_DVIDesignSize); - if (f == NULL) { - s_errs++; - return; - } - *fp = f; - - /* match checksums, unless one is (or both are) zero */ - if (p->paf_DVIChecksum && f->f_checksum && - p->paf_DVIChecksum != f->f_checksum) - GripeDifferentChecksums(f->f_path, p->paf_DVIChecksum, - f->f_checksum); -} - -/* - * Given a font index, return the corresponding pointer. - */ -struct font * -DVIFindFont(n) - i32 n; -{ - int x = S_LOOKUP; - char *p; - - if ((p = SSearch(ds.ds_fonts, n, &x)) == NULL) { - GripeNoSuchFont(n); - /* NOTREACHED */ - } - return (*(struct font **)p); -} - -/* - * Handle a rule: read width and height, then call the given function. - * If `advance', move dvi position afterwards. - */ -void -DVIRule(fn, advance) - void (*fn)(); - int advance; -{ - register i32 h, w, ww; - register FILE *fp = ds.ds_fp; - - fGetLong(fp, h); - fGetLong(fp, ww); - h = ConvRule(h); - w = ConvRule(ww); - (*fn)(h, w); - if (advance) { - dvi_hh += w; - dvi_h += ww; - w = fromSP(dvi_h); - FIXDRIFT(dvi_hh, w); - } -} - -/* - * Handle a BOP: read the ten \count values and the previous page pointer, - * reset DVI position, and call the given function. - */ -void -DVIBeginPage(fn) - void (*fn)(); -{ - register int i; - i32 count[10]; - - for (i = 0; i < 10; i++) - count[i] = GetLong(ds.ds_fp); - ds.ds_prevpage = GetLong(ds.ds_fp); - - /* reset DVI page position and stack pointer, then call driver */ - ds.ds_cur = ds.ds_fresh; - ds.ds_sp = ds.ds_stack; - - (*fn)(count); -} diff --git a/Build/source/texk/seetexk/dvistate.h b/Build/source/texk/seetexk/dvistate.h deleted file mode 100644 index c0b3b7b00c4..00000000000 --- a/Build/source/texk/seetexk/dvistate.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* DVI file information (as used by dvi-to-device programs) */ - -/* - * Units of distance are stored in scaled points, but we can convert to - * units of 10^-7 meters by multiplying by the numbers in the preamble. - * The values hh and vv are kept in device coordinates. - */ - -/* the structure of the stack used to hold the values (h,v,hh,vv,w,x,y,z) */ -typedef struct dvi_stack { - i32 h; /* the saved h */ - i32 v; /* the saved v */ - i32 hh; /* the saved hh */ - i32 vv; /* the saved vv */ - i32 w; /* etc */ - i32 x; - i32 y; - i32 z; -} DviStack; - -/* - * DVI state machine interpreter encapsulation (global state). - */ -struct dvi_state { - /* - * Variables that must be set by user before calling SetDVIState(). - */ - int ds_usermag; /* user-supplied (additional) magnification */ - int ds_maxdrift; /* maximum drift, typically 3 */ - - /* the rest are set by DVISetState() */ - - /* - * Values based on the (postamble of the) DVI file, - * or used by the interpreter. - */ - i32 ds_num; /* numerator from DVI file */ - i32 ds_denom; /* denominator from DVI file */ - i32 ds_dvimag; /* magnification from DVI file */ - i32 ds_maxheight; /* height of tallest page */ - i32 ds_maxwidth; /* width of widest page */ - i32 ds_prevpage; /* previous page of DVI file */ - int ds_npages; /* number of DVI pages */ - DviStack *ds_stack; /* base of stack of DVI values */ - DviStack *ds_sp; /* current place in stack */ - DviStack ds_cur; /* current values */ - DviStack ds_fresh; /* fresh values for new pages: not all - zero unless there are no margins. - This works because all DVI motion - is relative. */ - /* - * Although this is not strictly within the realm of DVI - * state, we need a place to store the fonts we allocate - * while reading through the postamble. Each entry in - * the ds_fonts search table is a pointer to a font, - * so that *(struct font **)SSearch(...) is the pointer. - */ - struct search *ds_fonts;/* font table */ - - /* - * A few routines want a private copy of the DVI file pointer. - */ - FILE *ds_fp; /* input DVI file */ -}; - -extern struct dvi_state ds; - -/* shorthand */ -#define dvi_h ds.ds_cur.h -#define dvi_v ds.ds_cur.v -#define dvi_hh ds.ds_cur.hh -#define dvi_vv ds.ds_cur.vv -#define dvi_w ds.ds_cur.w -#define dvi_x ds.ds_cur.x -#define dvi_y ds.ds_cur.y -#define dvi_z ds.ds_cur.z - -/* - * Set up the state for the interpreter loop. - */ -void DVISetState(); - -/* - * Service routines (called from main loop). - */ -struct font *DVIFindFont(); -void DVIRule(), DVIBeginPage(); - -/* - * Drift fixing. Note that the first argument must be an lvalue. - * It is the desired position in pixels, and is maintained within - * ds.ds_maxdrift pixels of the second argument, which is the - * `absolute' DVI position rounded to the nearest pixel. - */ -#define FIXDRIFT(xx, x) \ - if ((x) >= (xx)) \ - if ((x) - (xx) <= ds.ds_maxdrift) \ - /* position is in bounds */; \ - else \ - (xx) = (x) - ds.ds_maxdrift; \ - else \ - if ((xx) - (x) <= ds.ds_maxdrift) \ - /* position is in bounds */; \ - else \ - (xx) = (x) + ds.ds_maxdrift diff --git a/Build/source/texk/seetexk/dvistuff.c b/Build/source/texk/seetexk/dvistuff.c deleted file mode 100644 index 1831de3df7d..00000000000 --- a/Build/source/texk/seetexk/dvistuff.c +++ /dev/null @@ -1,1190 +0,0 @@ -/* - * Copyright 1989 Dirk Grunwald - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Dirk Grunwald or M.I.T. - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Dirk - * Grunwald and M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - * - * DIRK GRUNWALD AND M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT - * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE - * OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: - * Dr. Dirk Grunwald - * Dept. of Computer Science - * Campus Box 430 - * Univ. of Colorado, Boulder - * Boulder, CO 80309 - * - * grunwald@colorado.edu - * - */ - -#include <stdio.h> -#include <ctype.h> - -#include "dvistuff.h" /* includes types & fonts */ - -static char *rcsid="$Header: /home/reed/grunwald/Iptex/drivers/RCS/dvistuff.c,v 1.17 88/07/07 23:25:32 grunwald Exp Locker: grunwald $" ; - -#include "dviclass.h" -#include "dvicodes.h" -#include "postamble.h" -#include "search.h" -#include "fio.h" - -int dviHH = -1; /* current horizontal position, in DEVs */ -int dviVV = -1; /* current vertical position, in DEVs */ -long *dviCount[DVI_COUNT]; /* values of count */ -DviStack dvi_current; -int dviHHMargin = -1; /* horizontal margin (in DEVs) */ -int dviVVMargin = -1; /* vertical margin (in DEVs) */ -int dviTallestPage = -1; -int dviWidestPage = -1 ; -int dviCurrentPage = -1; -int dviTotalPages = -1; -int dviDPI = -1; -int dviMaxDrift = -1; -int dviUserMag = -1; /* user-specified magnification */ -int dviBlackness = -1; -int dviFontRotation = -1; -char *DVIFileName; -static char *dviTmpFileName = 0; -static char dviTmpFileNameBuffer[256]; -FILE *dviFile; /* users file */ -char *dviPrintEngine = "canon"; - -char *ProgName; - -/* - * Similar to dvi_stack, but includes `dviHH and `dviVV, which are usually - * but not always the same as fromSP(h) and fromSP(v): - */ -struct localstack { - int stack_hh; - int stack_vv; - struct dvi_stack stack_dvi; -}; - -static struct localstack *dvi_stack = 0;/* base of stack */ -static struct localstack *dvi_stackp; /* current place in stack */ - -/* - * DVI preamble and postamble information. - */ - -static long Magnification; -static long Numerator; /* numerator from DVI file */ -static long Denominator; /* denominator from DVI file */ - -/* - * Font related things. - * We keep track of the current font, use the fontfiner - * and record errors in the dvi postable in FontErros. - * the NoFont is a used when we cant find a font, - * to avoid errors. - */ - -struct fontinfo *dviCurrentFont = 0; - -/* - * imagen1-special uses the NextFamilyNumber. *sigh* - */ - -int NextFamilyNumber = 0; -static int MaxFontFamily = MAX_FONTFAMILY; - -static struct search *FontFinder = 0; -int FontErrors = 0; -static struct fontinfo NoFont; -/* - * We keep a list of pointers to the beginning of pages. - * Each page is headed by a DVI_BOP + 44 bytes of information. - */ - -static long *pageOffset = 0; - -#undef FIXDRIFT -/* - * Correct devpos (the actual device position) to be within MaxDrift pixels - * of dvipos (the virtual DVI position). - */ -#define FIXDRIFT(devpos, dvipos) \ - if (ABS((devpos) - (dvipos)) <= dviMaxDrift) \ - /* void */; \ - else \ - if ((devpos) < (dvipos)) \ - (devpos) = (dvipos) - dviMaxDrift; \ - else \ - (devpos) = (dvipos) + dviMaxDrift - -#define ABS(X) ( (X) < 0 ? -(X) : (X) ) - - -/* - * Store the relevant information from the DVI postamble, and set up - * various internal things. - */ -static void -PostAmbleHeader(p) - register struct PostAmbleInfo *p; -{ - int i; - int page; - int pageSize; - int stackSize; - long prevPagePointer; - long wuzAt; - - Numerator = p->pai_Numerator; - Denominator = p->pai_Denominator; - Magnification = p->pai_DVIMag; - -/* - * Set the conversion factor. This must be done before using - * any fonts or the fromSP routine. - */ - - SetConversion(dviDPI, dviUserMag, Numerator, Denominator, Magnification); - - dviTotalPages = p -> pai_NumberOfPages; - dviWidestPage = fromSP(p -> pai_WidestPageWidth); - dviTallestPage = fromSP(p -> pai_TallestPageHeight); - -/* - * Set up the DVI stack - */ - stackSize = p -> pai_DVIStackSize * sizeof(*dvi_stack); - if (dvi_stack != 0) { - free(dvi_stack); - } - dvi_stack = (struct localstack *) malloc((unsigned) stackSize); - -/* - * Set of the table of pointers to pages and room for the - * count variables. - */ - - pageSize = dviTotalPages * sizeof(long); - if (pageOffset != 0) { - free(pageOffset); - } - pageOffset = (long *) malloc(pageSize); - - if (pageOffset == NULL) { - fprintf(stderr,"xdvi: Can not allocate page directory (%d pages)", - dviTotalPages); - exit(1); - } - - for (i = 0; i < DVI_COUNT; i++) { - if (dviCount[i] != 0) { - free(dviCount[i]); - } - dviCount[i] = (long*) malloc(pageSize); - if (dviCount[i] == NULL) { - fprintf(stderr,"xdvi: Can not allocate count directory (%d pages)", - dviTotalPages); - exit(1); - } - } - - -/* - * Follow back pointers through pages in the DVI file, - * storing the offsets in the pageOffset table. - */ - - prevPagePointer = p->pai_PrevPagePointer; - wuzAt = (long) ftell(dviFile); - - for (page = dviTotalPages - 1; page >= 0 ; page--) { - -/* - * Skip to previous page, but skip over BOP marker. - */ - pageOffset[page] = prevPagePointer; - if( fseek(dviFile, prevPagePointer+1, 0) < 0) { - perror("fseek"); - fprintf(stderr,"[postamble] improper seek looking up pages\n"); - fprintf(stderr,"prevPagePointer = %lx\n", - prevPagePointer); - exit(1); - } - -/* - * Read the other counters at the beginning of the page - */ - - for (i = 0; i < DVI_COUNT; i++) { - long value; - fGetLong(dviFile, value); - dviCount[i][page] = value; - } - fGetLong(dviFile, prevPagePointer); - } - fseek(dviFile, wuzAt, 0); -} - -static void -PostAmbleFontDef(p) -register struct PostAmbleFont *p; -{ - register struct fontinfo *fi; - register struct font *f; - - char *fname; - int def = S_CREATE | S_EXCL; - - fi = (struct fontinfo *) SSearch(FontFinder, p->paf_DVIFontIndex, - &def); - if (fi == NULL) { -/* - * If the font already exists, lets just check that its really the - * same thing & return - */ - - if ((def & S_FOUND) | (def & S_COLL)) { - - def = S_LOOKUP; - if ((fi = (struct fontinfo *) SSearch(FontFinder, - p -> paf_DVIFontIndex, - &def)) == 0){ - GripeNoSuchFont(p -> paf_DVIFontIndex); - exit(1); - } - - if (fi -> f == NULL) { - GripeCannotGetFont(p->paf_name, p->paf_DVIMag, - p->paf_DVIDesignSize, - dviPrintEngine, fname); - } - f = fi -> f; - if (p->paf_DVIChecksum && f->f_checksum && - p->paf_DVIChecksum != f->f_checksum) { - GripeDifferentChecksums(fname, p->paf_DVIChecksum, - f->f_checksum); - exit(1); - } - return; /* font already defined */ - } - else { - fprintf(stderr, "Can not stash font %ld (out of memory?)\n", - p -> paf_DVIFontIndex); - exit(1); - } - } - - if (NextFamilyNumber == MaxFontFamily) { - fprintf(stderr,"Out of font family!\n"); - exit(1); - } - - fi->family = NextFamilyNumber; - NextFamilyNumber++; - - f = GetFont(p->paf_name, p->paf_DVIMag, p->paf_DVIDesignSize, - dviPrintEngine, &fname); - -/* - * Give the application a chance to bang on this if they want to. - */ - - f = applicationNewFont(f, fi -> family); - - if ((fi->f = f) == NULL) { - GripeCannotGetFont(p->paf_name, p->paf_DVIMag, - p->paf_DVIDesignSize, dviPrintEngine, fname); - FontErrors++; - return; - } - - /* match checksums, if not zero */ - if (p->paf_DVIChecksum && f->f_checksum && - p->paf_DVIChecksum != f->f_checksum) - GripeDifferentChecksums(fname, p->paf_DVIChecksum, - f->f_checksum); - - fi->pspace = p->paf_DVIMag / 6; /* a three-unit "thin space" */ - fi->nspace = -4 * fi->pspace; - fi->vspace = 5 * fi->pspace; -} - -static void -ReadPostAmble() -{ - - if (FontFinder == 0) { - if ((FontFinder = SCreate(sizeof(struct fontinfo))) == 0) { - fprintf(stderr, "can not create FontFinder (out of memory?)"); - exit(1); - } - } - - ScanPostAmble(dviFile, PostAmbleHeader, PostAmbleFontDef); - - if (FontErrors) - GripeMissingFontsPreventOutput(FontErrors); -} - -/* - * Read the preamble and do a few sanity checks - */ - -static void -ReadPreAmble() -{ - register int n; - - rewind(dviFile); - if (GetByte(dviFile) != Sign8(DVI_PRE)) - GripeMissingOp("PRE"); - - if (GetByte(dviFile) != Sign8(DVI_VERSION)) - GripeMismatchedValue("version numbers"); - - if (GetLong(dviFile) != Numerator) - GripeMismatchedValue("numerator"); - - if (GetLong(dviFile) != Denominator) - GripeMismatchedValue("denominator"); - - if (GetLong(dviFile) != Magnification) - GripeMismatchedValue("\\magfactor"); - - n = UnSign8(GetByte(dviFile)); - while (--n >= 0) - (void) GetByte(dviFile); -} - -int -dviInit() -{ - extern char *ProgName; - FILE *tmpFile; -#ifndef WIN32 - char *mktemp(); -#endif - - dviFini(); /* clean up the old files */ - - if (DVIFileName == 0) { - dviFile = stdin; - DVIFileName = "<stdin>"; - }else if ((dviFile = fopen(DVIFileName, "r")) == NULL) { - int n = strlen(DVIFileName); - char *dvi_name; - - if (strcmp(DVIFileName + n - sizeof(".dvi") + 1, ".dvi") == 0) { - perror(DVIFileName); - return(1); - } - - dvi_name = (char *) malloc((unsigned) n + sizeof(".dvi")); - sprintf(dvi_name, "%s.dvi", DVIFileName); - - if ((dviFile = fopen(dvi_name, "r")) == NULL) { - perror(dvi_name); - return(1); - } - DVIFileName = dvi_name; - } - -/* - * node, copy the file to a temporary location. This lets the person - * peruse the file while theyre re-texing it - */ - strcpy(dviTmpFileNameBuffer,"/tmp/dvistuff.XXXXXX"); - dviTmpFileName = mktemp(dviTmpFileNameBuffer); - - if (!(tmpFile = fopen(dviTmpFileName,"w+"))) { - perror("fopen"); - fprintf(stderr,"Unable to create temporary file"); - dviTmpFileName = 0; - } else { - char buffer[BUFSIZ]; - int b; - - rewind(dviFile); - do { - b = fread(buffer, 1, BUFSIZ, dviFile); - fwrite(buffer, 1, b, tmpFile); - } while (! feof(dviFile)); - - fclose(dviFile); - dviFile = tmpFile; - rewind(dviFile); - } -/* - * Unlink the temporary file. This keeps tmp files from cluddering - * up /tmp and it does it in a very application-independent way. - * You can't reopen the tmp file, but we don't really allow that - * anyway (the tmp file is hidden from the user). - */ - if (dviTmpFileName != 0 && - strncmp(dviTmpFileName,"/tmp/",5) == 0) { - unlink(dviTmpFileName); - } - - if (dviUserMag == -1) { - dviUserMag = 1000; - } - - if (dviMaxDrift == -1) { - dviMaxDrift = DEFAULT_MAX_DRIFT; - } - - if (dviDPI == -1) { - dviDPI = DEFAULT_DPI; - } - - if (dviBlackness == -1) { - dviBlackness = DEFAULT_BLACKNESS; - } - - if (dviFontRotation == -1) { - dviFontRotation = ROT_NORM; - } - - ReadPostAmble(); - ReadPreAmble(); - - /* Margins -- needs work! */ - - if (dviHHMargin == -1) { - dviHHMargin = DEFAULT_HHMARGIN; - } - - if (dviVVMargin == -1) { - dviVVMargin = DEFAULT_VVMARGIN; - } - - dviCurrentFont = &NoFont; /* fake font, all zeros */ - - return(0); -} - -void -dviFini() -{ - if (dviFile != 0) { - fclose(dviFile); - } - - if (dviTmpFileName != 0 && - strncmp(dviTmpFileName,"/tmp/",5) == 0) { - unlink(dviTmpFileName); - } -} - - -static void -SelectFont(n) -i32 n; -{ - int x = S_LOOKUP; - - if ((dviCurrentFont = (struct fontinfo *)SSearch(FontFinder, n, &x)) == 0) - GripeNoSuchFont(n); -} - -/* Read the postamble. */ - -static void -doDviChar(c, advance) -int c; -int advance; -{ - register struct glyph *g; - register struct font *f; - int p; - - f = dviCurrentFont->f; - - if (c < f -> f_lowch || c > f -> f_highch) { - fprintf(stderr,"Character out of range: %d\n", - c); - return; - } - - g = GLYPH(f, c); - if (!GVALID(g)) { - fprintf(stderr, "there is no character %d in %s", - c, f->f_path); - exit(1); - } else { - - if (HASRASTER(g)) { /* workaround for Imagen bug */ - applicationPutChar(dviHH,dviVV,c); - } - - if (advance) { - dviHH += g->g_pixwidth; - dvi_h += g->g_tfmwidth; - p = fromSP(dvi_h); - FIXDRIFT(dviHH, p); - } - } -} - -/* - * The next two routines are used to reset all the glyphs. - * the dviResetFont routine is called for each font in the font table. - * It de-allocates the rasters & glyphs for the shrunken fonts, leaving - * the original glyph data untouched. - */ - - -static void -dviResetFont(fi, key) -struct fontinfo *fi; -int key; -{ - if (fi != 0) { - applicationResetFont(fi, fi -> family); - } -} - -void -dviResetAll() -{ - SEnumerate(FontFinder, dviResetFont); -} - -/* - * Process the DVI commands for page #page. If the page number is - * out of range, it is cropped to the end. - * - * Updates dviCurrentPage - */ -void -dviPreparePage(page) -int page; -{ - register int c; - register i32 p; - int advance; - - if (page < 0) { - page = 0; - } - - if (page >= dviTotalPages) { - page = dviTotalPages - 1; - } - - dviCurrentPage = page; - - fseek(dviFile, (long) pageOffset[page], 0); - - dviHH = dviHHMargin; - dviVV = dviVVMargin; - - dvi_h = toSP(dviHH); - dvi_v = toSP(dviVV); - - dvi_w = 0; - dvi_x = 0; - dvi_y = 0; - dvi_z = 0; - - dvi_stackp = dvi_stack; - - for(;;) { -/* - * Get the DVI byte, and switch on its parameter length and type. - * Note that getchar() returns unsigned values. - */ - - if (feof(dviFile)) { - fprintf(stderr,"Unexpected end-of-file\n"); - exit(1); - } - - c = getc(dviFile); - - if (DVI_IsChar(c)) { - advance = 1; - doDviChar(c, advance); - } else { - - switch (DVI_OpLen(c)) { - - case DPL_NONE: - break; - - case DPL_SGN1: - p = getc(dviFile); - p = Sign8(p); - break; - - case DPL_SGN2: - fGetWord(dviFile, p); - p = Sign16(p); - break; - - case DPL_SGN3: - fGet3Byte(dviFile, p); - p = Sign24(p); - break; - - case DPL_SGN4: - fGetLong(dviFile, p); - break; - - case DPL_UNS1: - p = UnSign8(getc(dviFile)); - break; - - case DPL_UNS2: - fGetWord(dviFile, p); - p = UnSign16(p); - break; - - case DPL_UNS3: - fGet3Byte(dviFile, p); - p = UnSign24(p); - break; - - default: - panic("DVI_OpLen(%d) = %d", c, DVI_OpLen(c)); - /* NOTREACHED */ - } - - switch (DVI_DT(c)) { - - case DT_SET: - c = p; - doDviChar(c, 1); - break; - - case DT_PUT: - c = p; - doDviChar(c, 0); - break; - - case DT_SETRULE: - case DT_PUTRULE: - - { - i32 h, w, rw; - - fGetLong(dviFile, h); - fGetLong(dviFile, rw); - - h = ConvRule(h); - w = ConvRule(rw); - - applicationSetRule(dviHH, dviVV, h,w); - - if (DVI_DT(c) == DT_SETRULE) { - dviHH += w; - dvi_h += rw; - w = fromSP(dvi_h); - FIXDRIFT(dviHH, w); - } - } - break; - - case DT_NOP: - break; - - case DT_BOP: -/* - * Each beginning of page has 11 4-byte words telling us things - * about the page. We ignore them. - */ - { - fseek(dviFile, (long) (11 * 4), 1); - } - - break; - - case DT_EOP: - return; - - case DT_PUSH: - dvi_stackp->stack_hh = dviHH; - dvi_stackp->stack_vv = dviVV; - dvi_stackp->stack_dvi = dvi_current; - dvi_stackp++; - break; - - case DT_POP: - dvi_stackp--; - dviHH = dvi_stackp->stack_hh; - dviVV = dvi_stackp->stack_vv; - dvi_current = dvi_stackp->stack_dvi; - break; - - case DT_W0: /* there should be a way to make these pretty */ - p = dvi_w; - goto move_right; - - case DT_W: - dvi_w = p; - goto move_right; - - case DT_X0: - p = dvi_x; - goto move_right; - - case DT_X: - dvi_x = p; - goto move_right; - - case DT_RIGHT: - move_right: - dvi_h += p; -/* - * DVItype tells us that we must round motions in this way: - * `When the horizontal motion is small, like a kern, hh - * changes by rounding the kern; but when the motion is - * large, hh changes by rounding the true position so that - * accumulated rounding errors disappear. - */ - if (p >= dviCurrentFont->pspace || p <= dviCurrentFont->nspace) - dviHH = fromSP(dvi_h); - else { - dviHH += fromSP(p); - p = fromSP(dvi_h); - FIXDRIFT(dviHH, p); - } - break; - - case DT_Y0: - p = dvi_y; - goto move_down; - - case DT_Y: - dvi_y = p; - goto move_down; - - case DT_Z0: - p = dvi_z; - goto move_down; - - case DT_Z: - dvi_z = p; - goto move_down; - - case DT_DOWN: - move_down: - dvi_v += p; -/* - * `Vertical motion is done similarly, but with the threshold - * between ``small and ``large increased by a factor of - * 5. The idea is to make fractions like $1\over2$ round - * consistently, but to absorb accumulated rounding errors in - * the baseline-skip moves. - */ - if (ABS(p) >= dviCurrentFont->vspace) - dviVV = fromSP(dvi_v); - else { - dviVV += fromSP(p); - p = fromSP(dvi_v); - FIXDRIFT(dviVV, p); - } - break; - - case DT_FNTNUM: - SelectFont((i32) (c - DVI_FNTNUM0)); - break; - - case DT_FNT: - SelectFont(p); - break; - - case DT_XXX: - { - char specialBuffer [2048]; - register char *cp; - int sweetp = 0; - - if (p > 2047) { - sweetp = p - 2047; - p = 2047; - } - - for (cp = specialBuffer ; p > 0; p--) { - *cp = getc(dviFile); - cp++; - } - *(cp) = 0; - - while(sweetp > 0) { - getc(dviFile); - } - - applicationDoSpecial(specialBuffer); - } - break; - - case DT_FNTDEF: - SkipFontDef(dviFile); - break; - - case DT_PRE: - GripeUnexpectedOp("PRE"); - /* NOTREACHED */ - - case DT_POST: - GripeUnexpectedOp("POST"); - /* NOTREACHED */ - - case DT_POSTPOST: - GripeUnexpectedOp("POSTPOST"); - /* NOTREACHED */ - - case DT_UNDEF: - GripeUndefinedOp(c); - /* NOTREACHED */ - - default: - panic("DVI_DT(%d) = %d", c, DVI_DT(c)); - /* NOTREACHED */ - } - } - } -} - -/* Transpose bytes in each pair of bytes (0123 -> 1032) */ -/* Reverse bits in a byte (01234567 -> 76543210) */ -/* needed for sun386i */ -/* Gerhard Fleischanderl & Wolfgang Nejdl */ - -#ifdef sun386 -static unsigned char pow2[]={1,2,4,8,16,32,64,128}; - -unsigned char reverseByte(oldByte) - unsigned char oldByte; -{ - unsigned short i; - unsigned char newByte=0; - - /* build newByte with bits mirrored */ - - for(i=0;i<8;i++) - if (oldByte & pow2[i]) - newByte |= pow2[7-i]; - - return newByte; -} - -#ifdef UNDEF -#define transposeBytesMirrorBits(pairPtr) \ -/* B16 *pairPtr; */ \ -/* B16 comprises 2 bytes */ \ -{ \ - unsigned char c0,c1, *bP = (unsigned char *) pairPtr; \ - \ - /* transpose neighbouring bytes and \ - reverse bits in each byte */ \ - \ - c0 = *bP; \ - c1 = *(bP+1); \ - *bP = ReverseByteTable[c1]; \ - *(bP+1) = ReverseByteTable[c0]; \ -} - -#else -#define transposeBytesMirrorBits(ptr) {*ptr = ReverseByteTable[ (*ptr)&0xff ];} -#endif /* undef */ - -#endif - - -/* - * The following routine is used to shrink a glyph by some - * shrink factor (in the width & height dimension). - * - * These shrunken glyphs are more appropriate for previewers. - * - * To do this, we simple scan the original raster, counting the - * number of pixels within a given area. If the number of on pixels is - * at least twice the total number of pixels, we turn the pixel in - * the shrunken glyph ON, else OFF. - * - * We use a lookup table to hasten the process of counting pixels. - * - * The method used should be independent of byte-order (I think). - * - * You need to define two types. One should be 32-bits long, and - * the other 16 bits long. - */ - -typedef unsigned char B8; -typedef unsigned short B16; -typedef unsigned long B32; - -#define LOOKUP_BYTES 256 -#define LOOKUP_BITS 8 -#define LOOKUP_MASK 0xff - -static char dviLookUpTable[LOOKUP_BYTES]; -static char tableNotInitialized = 1; - -#ifdef sun386 -static unsigned char ReverseByteTable[LOOKUP_BYTES]; -#endif - -struct glyph * -dviShrinkGlyph(gly, shrinkH, shrinkW) -DviGlyph *gly; -int shrinkH; -int shrinkW; -{ - int shrunkHeight; - int shrunkWidth; - int glyphWide; - int glyphHigh; - int glyphAdvance; - int shrunkAdvance; - - int bytesWide; - int shrunkBytesWide; - - struct glyph *ngly; - - B16 *shrunkRaster; - int rasterSize; - - int x,y; - B8 *cp; - B8 *ptr; - - B32 shrinkMask; - - int sampleSize; - - if (gly == 0 || !HASRASTER(gly)) { - return(0); - } - - if (gly -> g_raster == 0) { - gly-> g_raster = RASTER(gly, dviCurrentFont -> f, dviFontRotation); - } - -/* - * Initialize the lookup table of the number of bits in a given byte - */ - - if (tableNotInitialized) { - register int i; - register int j; - register int k; - register int acc; - for (i = 0; i < LOOKUP_BYTES; i++) { - j = i; - acc = 0; - for (k = 0; j != 0 && k < LOOKUP_BITS ; k++) { - acc += (j & 1); - j >>= 1; - } - dviLookUpTable[i] = acc; - } - -#ifdef sun386 - for (i = 0; i < LOOKUP_BYTES; i++) { - ReverseByteTable[i] = reverseByte(i); - } -#endif - - tableNotInitialized = 0; - } - -/* - * When shrinking the fonts, we convert them from byte alligned - * to 16 bit-aligned fonts. I think that this is needed by X, - * and also SunWindows. This is done rather than changing the - * library routines because some device drivers, i.e. imagen1, - * depend on the byte-alligned fonts. - */ - glyphHigh = gly -> g_height; - glyphWide = gly -> g_width; - - gly -> g_pixwidth = fromSP(gly -> g_tfmwidth); - glyphAdvance = gly -> g_pixwidth; - - shrunkHeight = (glyphHigh + shrinkH - 1) / shrinkH; - shrunkWidth = (glyphWide + shrinkW - 1) / shrinkW; - shrunkAdvance = (glyphAdvance + shrinkW - 1) / shrinkW; - - bytesWide = (gly -> g_width + 7) >> 3; - - shrunkBytesWide = ((shrunkWidth + 15) >> 4) * 2; - - rasterSize = (shrunkHeight + 1) * shrunkBytesWide; - shrunkRaster = (B16 *) malloc(rasterSize); - bzero(shrunkRaster, rasterSize); - ptr = (B8 *) shrunkRaster; - - if (shrunkRaster == NULL) { - fprintf(stderr, "Out of memory!\n"); - exit(1); - } - - for (y = 0; y < glyphHigh; y+= shrinkH) { - cp = (B8 *) ptr; - shrinkMask = 0x80; - for (x = 0; x < glyphWide; x += shrinkW) { - int i; - int samples; - B8 *baseP; - int upper; - register int thisShrinkW; - - baseP = (B8 *) gly -> g_raster + (y * bytesWide); - -/* - * Set the upper limit on the height iteration so we dont count - * off the end of the raster - */ - - upper = y + shrinkH; - if (upper > glyphHigh) { - upper = glyphHigh; - } - - if (x + shrinkW > glyphWide) { - thisShrinkW = glyphWide - x; - } else { - thisShrinkW = shrinkW; - } - - samples = 0; - sampleSize = thisShrinkW * (upper - y); - - for (i = y; i < upper; i++) { - register int acc; - register B8 *p; - register B8 *ep; -/* - * Determine how many bytes our shrink window crosses (we might - * overlap on byte-edges) - */ - - p = baseP + (x >> 3); - ep = baseP + ( (x + thisShrinkW - 1) >> 3); - baseP += bytesWide; - -/* - * stuff everything in the accumulator - */ - - acc = 0; - while (p <= ep) { - acc = ((acc << 8) & ~0xff) | *p; - p++; - } - -/* - * clean off the right hand-side of extra bits, then clean off - * the left hand side of extra bits, and then count them. - */ - - acc = acc >> ( 7 - ((x + thisShrinkW - 1) & 0x7)); - acc &= ~(-1 << thisShrinkW); - while (acc != 0) { - samples += dviLookUpTable[ acc & LOOKUP_MASK ]; - acc >>= LOOKUP_BITS; - } - } -/* - * If at least 1/blackness of the bits are on, treat this entire sample as - * being on. - */ - - if ((samples * dviBlackness) >= sampleSize) { - *ptr |= shrinkMask; - } else { - *ptr &= ~ shrinkMask; - } - shrinkMask >>= 1; - if (shrinkMask == 0) { - shrinkMask = 0x80; -#ifdef sun386 - transposeBytesMirrorBits(ptr) -#endif - ptr ++; - } - } -#ifdef sun386 - transposeBytesMirrorBits(ptr) -#endif - ptr = (B8 *) (cp + shrunkBytesWide); - } - -/* - * Build a new glyph from the shrunken raster - */ - -#ifdef UNDEF - if ( shrunkBytesWide != 2 ) - { - printf("Old glyph:\n"); - seeGlyph(gly -> g_raster, glyphHigh, bytesWide); - printf("%d ", shrunkBytesWide); - printf("New glyph:\n"); - seeGlyph(shrunkRaster, shrunkHeight, shrunkBytesWide); - } -#endif UNDEF - - ngly = (struct glyph *) malloc(sizeof(struct glyph)); - bzero(ngly, sizeof(struct glyph)); - - ngly -> g_raster = (char * ) shrunkRaster; - ngly -> g_width = shrunkWidth; - ngly -> g_pixwidth = shrunkAdvance; - ngly -> g_height = shrunkHeight; - - ngly -> g_xorigin = gly -> g_xorigin / shrinkH; - ngly -> g_yorigin = gly -> g_yorigin / shrinkW; - - ngly -> g_flags |= GF_SHRUNK; /* yes, its been shrunk */ - - return(ngly); -} - -#ifdef UNDEF - -seeGlyph(c, h, w) -char *c; -int h; -int w; -{ - int i,j; - - for (i = 0; i < h; i++ ) { - for (j = 0; j < w; j++) { - int k; - register int ch; - register int m; - char str[9]; - - ch = *(c++); - m = 0x80; - for (k = 0; k < 8; k++) { - str[k] = '"' + ( (ch & m) ? 1 : 0 ); - m >>= 1; - } - str[8] = 0; - printf("%s", str); - } - printf("\n"); - } -} - - -#endif UNDEF diff --git a/Build/source/texk/seetexk/dvistuff.h b/Build/source/texk/seetexk/dvistuff.h deleted file mode 100644 index 040e02bdac1..00000000000 --- a/Build/source/texk/seetexk/dvistuff.h +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright 1989 Dirk Grunwald - * - * Permission to use, copy, modify, distribute, and sell this software - * and its documentation for any purpose is hereby granted without fee, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Dirk Grunwald or M.I.T. - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. Dirk - * Grunwald and M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - * - * DIRK GRUNWALD AND M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT - * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS - * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE - * OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: - * Dr. Dirk Grunwald - * Dept. of Computer Science - * Campus Box 430 - * Univ. of Colorado, Boulder - * Boulder, CO 80309 - * - * grunwald@colorado.edu - * - */ - -static char *dvistuff_header_rcsid="$Header: /home/reed/grunwald/Iptex/drivers/RCS/dvistuff.h,v 1.11 89/02/15 16:31:56 grunwald Exp $" ; - -/* - * Include the following from the CTex distribution - */ - -#include <stdio.h> - -#include "types.h" -#include "font.h" -#include "conv.h" - -/* - * We use the following flags to keep track of shrunk fonts - */ - -#define GF_SHRUNK GF_USR0 - -#define GLYPH_SHRUNK(g) ((g) -> g_flags & GF_SHRUNK) - -#define SHRUNK_GLYPH_BYTES_WIDE(g) ((((g) -> g_width + 15) >> 4) * 2) - -typedef struct font DviFont; -typedef struct glyph DviGlyph; - -#define MAX_GLYPH 128 -#define MAX_FONTFAMILY 128 - -#define DEFAULT_DPI 300 -#define DEFAULT_HHMARGIN DEFAULT_DPI -#define DEFAULT_VVMARGIN DEFAULT_DPI -#define DEFAULT_MAX_DRIFT 3 - -#define DEFAULT_BLACKNESS 3 - - -struct fontinfo { - struct font *f; /* the font */ - i32 pspace; /* boundary between `small & `large spaces - (for positive horizontal motion) */ - i32 nspace; /* -4 * pspace, for negative motion */ - i32 vspace; /* 5 * pspace, for vertical motion */ - int family; /* Imagen family number (we pick one) */ -}; - -typedef struct fontinfo DviFontInfo; - -/* DVI file info */ - -/* - * Units of distance are stored in scaled points, but we can convert to - * units of 10^-7 meters by multiplying by the numbers in the preamble. - */ - -/* the structure of the stack used to hold the values (h,v,w,x,y,z) */ - -typedef struct dvi_stack { - i32 h; /* the saved h */ - i32 v; /* the saved v */ - i32 w; /* etc */ - i32 x; - i32 y; - i32 z; -} DviStack; - -extern DviStack dvi_current; /* the current values of h, v, etc */ -extern int dvi_f; /* the current font */ - -#define dvi_h dvi_current.h -#define dvi_v dvi_current.v -#define dvi_w dvi_current.w -#define dvi_x dvi_current.x -#define dvi_y dvi_current.y -#define dvi_z dvi_current.z - - - -extern int dviHH; /* current horizontal position, in DEVs */ -extern int dviVV; /* current vertical position, in DEVs */ -#define DVI_COUNT 10 /* count0 .. count9 */ -extern long *dviCount[DVI_COUNT]; /* values of count */ - -extern Conv Conversion; - -extern int dviHHMargin; -extern int dviVVMargin; -extern int dviDPI; -extern int dviTallestPage; -extern int dviWidestPage; -extern int dviTotalPages; -extern int dviCurrentPage; -extern int dviMaxDrift; -extern char *dviPrintEngine; -extern int dviBlackness; -extern int dviFontRotation; -extern int dviUserMag; - -extern DviFontInfo *dviCurrentFont; -extern char *DVIFileName; -extern FILE *dviFile; /* user's file */ -extern char *ProgName; - -extern int dviInit(); -extern void dviFini(); -extern void dviPreparePage( /* int */ ); -extern struct glyph *dviShrinkGlyph(); - -void applicationPutChar( /* hh, vv, charCode */ ); -DviFont *applicationNewFont( /* font structure */); -void applicationResetFont(/* font info, key */); -void applicationSetRule( /* hh, vv, height, width : long*/ ); -void applicationDoSpecial(); diff --git a/Build/source/texk/seetexk/findpost.c b/Build/source/texk/seetexk/findpost.c deleted file mode 100644 index 2f2f8d99303..00000000000 --- a/Build/source/texk/seetexk/findpost.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/findpost.c,v 2.3 89/08/22 21:50:11 chris Exp $"; -#endif - -/* - * FindPostAmble - Find the postamble of a DVI file. - * - * N.B.: This routine assumes that ftell() returns byte offsets, - * not magic cookies. - */ - -#include <stdio.h> -#include "types.h" -#include "dvicodes.h" -#include "fio.h" -#include "num.h" - -/* - * The end of the file consists of a four-byte postamble pointer, - * followed by the DVI_VERSION byte, followed by at least four - * bytes of DVI_FILLER, and at least enough bytes to make the file - * size a multiple of four. Normally, this would be between 4 and 7 - * inclusive, but some versions of TeX append huge amounts of padding. - */ -#define POSTSIZE 512 /* how many bytes to read at a time */ - -#ifndef WIN32 -long ftell(); /* should be declared in stdio.h */ -#endif - -FindPostAmble(f) - register FILE *f; -{ - register long offset; - register char *p; - register int i; - register i32 n; - char postbuf[POSTSIZE]; - - /* - * Working backwards from end-of-file, read POSTSIZE bytes. - * Keep looking until we find something or run out of filler. - */ - fseek(f, 0L, 2); - offset = ftell(f); - do { - if ((offset -= POSTSIZE) < 0L) - offset = 0L; /* no negative fseeks please */ - fseek(f, offset, 0); - if ((i = fread(postbuf, sizeof(char), POSTSIZE, f)) <= 0) - break; - for (p = postbuf + i; --i >= 0;) - if (UnSign8(*--p) != DVI_FILLER) - goto found_something; - } while (offset); - return (-1); /* ran out of filler: not a DVI file */ - - /* - * We found something other than a filler byte at *p (which is - * the same as postbuf[i]). It had better be a version byte. - * If so, we want to start at the byte four bytes before that, - * and get one long; that will tell us where the postamble - * begins. - */ -found_something: - if (UnSign8(*p) != DVI_VERSION) - return (-1); /* not a DVI file */ - if ((i -= 4) >= 0) { - /* it is in the buffer, so just fish it out */ - p -= 4; - pGetLong(p, n); - } else { - if ((offset += i) < 0L) - return (-1); /* tsk */ - fseek(f, offset, 0); - fGetLong(f, n); - } - offset = n; - fseek(f, offset, 0); - return (0); /* success */ -} diff --git a/Build/source/texk/seetexk/font.c b/Build/source/texk/seetexk/font.c deleted file mode 100644 index f00094a963e..00000000000 --- a/Build/source/texk/seetexk/font.c +++ /dev/null @@ -1,544 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /homes/grunwald/Src/SeeTeX/libtex/RCS/font.c,v 1.2 1992/07/22 16:26:02 grunwald Exp grunwald $"; -#endif - -/* - * Routines for working with fonts. In particular, the configuration - * dependent code is here. - * - * Specific fonts (GF, PXL, etc.) have functions in separate files. - */ - -#include <stdio.h> -#include <errno.h> -#include <ctype.h> -#include "types.h" -#include "conv.h" -#include "error.h" -#include "font.h" - -/* - * Define the default configuration file. - * Also define the maximum path name length. - */ -#ifndef FONTDESC -/* #define FONTDESC "/usr/local/lib/tex/fontdesc" */ - you must define FONTDESC in the Makefile -#endif - -#define PATHLEN 1024 - -/* - * A font configuration. The font list is ordered. - * - * A specifier is typically a particular print engine, since - * different engines need slightly different fonts. - */ -struct fontconf { - struct fontconf *fc_next; - struct fontops *fc_ops; - char *fc_path; /* path, with metacharacters */ - char *fc_spec; /* specifier */ - int fc_slop; /* slop value */ -}; - -/* - * EQ is a fast way to check for string equivalence. - */ -#define EQ(a, b) (*(a) == *(b) && strcmp(a, b) == 0) - -/* - * Private variables and functions. - */ -static int didinit; /* true => initialised already */ -static char *cfname; /* config file name, for errors */ -static int cfline; /* config file line, likewise */ -static struct fontops *fontops;/* font operations code: list head */ -static struct fontconf *fonts; /* font list */ -static struct fontconf **nextfc;/* used during initialisation */ -static char spec_any[] = "*"; /* the `anything' specifier */ - -static void readconf(char *name); -static void badcf(char *why); -static void setfenv(struct fontconf *pfc, char *env, char *suf); -static void setfont(struct fontconf *pfc, char *path); -static struct font *getafont(char *nm, i32 dvimag, i32 dvidsz, - char *dev, char **fname, int wantrast); - -/* - * Imports. - */ -extern int errno; -char *getenv(), *malloc(), *strncpy(), *strsave(); - -/* - * You may get warnings from lint about sprintf(), which is of type - * `char *' in early 4BSD releases. Ignore the warning. - */ - -/* - * Here, alas, we know about all the kinds of fonts. - * This also means that every DVI interpreter pulls in - * the full set of font manipulation routines. - * - * PERHAPS THIS SHOULD BE CONFIGURABLE. - */ -#define ADDFONT(x) { \ - extern struct fontops x; \ - x.fo_next = fontops; \ - fontops = &x; \ -} - -void -fontinit(char *file) -{ - - if (didinit) { - /* - * Could free the old configuration and fire up - * a new one, but for now . . . - */ - error(1, 0, "attempt to reinit fonts"); - /* NOTREACHED */ - } - didinit++; - ADDFONT(invisops); - ADDFONT(tfmops); - ADDFONT(blankops); - ADDFONT(boxops); - ADDFONT(pxlops); - ADDFONT(gfops); - ADDFONT(pkops); - nextfc = &fonts; - if (file == NULL) - if ((file = getenv(CONFENV)) == NULL) - file = FONTDESC; - readconf(file); -} - -/* - * Find a font's operations, given its name. - */ -static struct fontops * -findops(char *name) -{ - register struct fontops *fo; - - for (fo = fontops; fo != NULL; fo = fo->fo_next) - if (EQ(fo->fo_name, name)) - return (fo); - return (NULL); -} - -/* - * Read the named configuration file. The file is split into - * lines, and lines are split into words; if the first word is - * "font", this is a fontconf, and we read the remainder of the - * words and make a fontconf entry. - */ -static void -readconf(char *name) -{ - register FILE *f; /* config file */ - register int c; /* char and word counter */ - int isenv; /* true => doing `fontenv', not `font' */ - char *env; /* value from getenv() */ - struct fontconf proto; /* prototype fontconf */ - char *v[20]; /* word vector */ - char line[BUFSIZ]; /* input line */ - - if ((f = fopen(name, "r")) == NULL) - error(1, -1, "cannot read font configuration file \"%s\"", - name); - cfname = name; - cfline = 0; - while (fgets(line, sizeof (line), f) != NULL) { - cfline++; - if ((c = strlen(line)) > 0) { - if (line[--c] != '\n') - badcf("line too long"); - line[c] = 0; - } - if ((c = split(line, v, sizeof v / sizeof *v)) < 0) - badcf("too many words"); - /* skip things that are not fonts */ - if (c == 0) - continue; - if (EQ(v[0], "font")) - isenv = 0; - else if (EQ(v[0], "fontenv")) - isenv = 1; - else - continue; - switch (c) { - case 1: - badcf("missing font typename"); - /* NOTREACHED */ - case 2: - badcf("missing font spec (engine)"); - /* NOTREACHED */ - case 3: - badcf("missing slop value"); - /* NOTREACHED */ - case 4: - badcf(isenv ? "need environment variable" : - "need pathname"); - /* NOTREACHED */ - case 5: - if (isenv) - badcf("need suffix"); - break; - case 6: - if (isenv) - break; - default: - error(0, 0, - "%s, line %d: warning: %d extra word(s) ignored", - cfname, cfline, c - 5); - break; - } - if ((proto.fc_ops = findops(v[1])) == NULL) { - error(0, 0, - "\"%s\", line %d: unknown font type \"%s\" ignored", - cfname, cfline, v[1]); - continue; - } - - /* - * For fontenv, if the environment variable is not actually - * set in the environment, just skip over this line. - */ - - /* Debugging (LOG) */ - printf(" texsunLOG: "); - printf(v[0]); - printf(" ."); - printf(v[1]); - printf(" "); - if (isenv) - printf("'"); - printf(v[4]); - if (isenv) - printf("'"); - printf(" does:\n"); - - if (isenv && (env = getenv(v[4])) == NULL) - continue; - proto.fc_next = NULL; - proto.fc_spec = EQ(v[2], spec_any) ? NULL : strsave(v[2]); - proto.fc_slop = atoi(v[3]); - if (proto.fc_slop < 0) /* quietly enforce proper slops */ - proto.fc_slop = 0; - if (isenv) { - printf(" = "); - printf(env); - printf("\n"); - setfenv(&proto, env, v[5]); - } - else - setfont(&proto, strsave(v[4])); - } -} - -/* - * Handle fontenv lines by appending as many configuration entries - * as there are components in the given environment variable. - */ -static void -setfenv(struct fontconf *pfc, char *env, char *suf) -{ - register char *s, *t; - register int len, suflen = strlen(suf); - register char *mem, *slash; - char *munch = strsave(env); /* a copy we can write on */ - struct fontops *fo; - - /* - * Loop over the path. Turn `foo' into `foo/<suf1><suf2>'; - * turn an empty string into just <suf1><suf2>. Put these - * names in fresh memory and set them up as places to search. - */ - - for (s = munch; (t = s) != NULL; s = t) { - for (;;) { - if (*t == ':') { - *t++ = 0; - len = t - s; /* includes trailing NUL */ - break; - } - if (*t++ == 0) { - len = t - s; /* includes trailing NUL */ - t = NULL; - break; - } - } - if (len != 0) { - slash = "/"; - len++; - } else - slash = ""; - if ((mem = malloc(len + suflen)) == NULL) - error(1, -1, "out of memory while saving $%s", env); - (void) sprintf(mem, "%s%s%s", s, slash, suf); - setfont(pfc, mem); - } - free(munch); -} - -/* - * Turn a prototype fontconf into a real one. - */ -static void -setfont(struct fontconf *pfc, char *path) -{ - register struct fontconf *fc; - - if ((fc = (struct fontconf *)malloc(sizeof(*fc))) == NULL) - error(1, -1, "out of memory for font configuration (sorry)"); - *fc = *pfc; - fc->fc_path = path; - *nextfc = fc; - nextfc = &fc->fc_next; - - printf(" texsunLOG: scanning "); - printf(path); - printf("\n"); - /* message for found path (logging) */ -} - -/* - * Complain about a problem in the configuration file. - */ -static void -badcf(char *why) -{ - - error(1, 0, "\"%s\", line %d: %s", cfname, cfline, why); - /* NOTREACHED */ -} - -/* - * Copy string s into buffer buf, dropping off any numerical suffix. - * E.g., cmr7 and cmr10 become cmr. (This is the `%b' operator.) - */ -static void -basify(char *s, char *buf, int size) -{ - register char *p, *endp; - register int n; - - for (p = s; *p; p++) - if (!isdigit(*p)) - endp = p; - if ((n = endp + 1 - s) >= size) - error(1, 0, "font name `%s' too long for %%b (sorry)", s); - (void) strncpy(buf, s, n); - buf[n] = 0; -} - -/* - * Turn a prototype path, name, and magnification into a full - * path (expand %f, %m, %b). - */ -static void -pave(char *result, char *proto, char *name, int mag) -{ - register int c; - register char *s, *d, *p; - char num[30], fontbase[256]; - - d = result; - p = proto; - s = NULL; - num[0] = 0; /* will need changing for other bases */ - fontbase[0] = 0; - - while (p != NULL) { - /* - * If sourcing from s, take its next character, and - * insert it directly. Otherwise take the next path - * character and interpret it. - */ - if (s != NULL) { - if ((c = *s++) == 0) { - s = NULL; - continue; - } - goto put; - } - if ((c = *p++) == 0) - p = NULL; - if (c != '%') - goto put; - - switch (c = *p++) { - - case 'b': - if (fontbase[0] == 0) - basify(name, fontbase, sizeof(fontbase)); - s = fontbase; - continue; - - case 'f': - case 'n': - case 's': - s = name; - continue; - - case 'd': - case 'm': - if (num[0] == 0) - (void) sprintf(num, "%d", mag); - s = num; - continue; - - case 0: - c = '%'; - p--; - /* FALLTHROUGH */ - } -put: - if (d - result >= PATHLEN) - error(1, 0, "font path `%s' too long (sorry)", proto); - *d++ = c; - } -} - -/* - * Given a font name and size, return the first font that fits, along - * with its name (via fname). If we cannot find such a font, we set - * *fname to point to a `canonical' example font name, unless there are - * are no fonts for the device, in which case we set *fname to NULL. - */ -struct font * -GetFont(char *nm, i32 dvimag, i32 dvidsz, char *dev, char **fname) -{ - - return (getafont(nm, dvimag, dvidsz, dev, fname, 1)); -} - -/* - * Same as GetFont, but caller promises never to ask for rasters. - */ -struct font * -GetRasterlessFont(char *nm, i32 dvimag, i32 dvidsz, char *dev, char **fname) -{ - - return (getafont(nm, dvimag, dvidsz, dev, fname, 0)); -} - -/* - * NEED TO THINK ABOUT gf NAMING CONVENTIONS HERE: ARE THEY LIKE pxl? - * WHAT ABOUT OTHERS? - */ -static struct font * -getafont(char *nm, i32 dvimag, i32 dvidsz, char *dev, char **fname, int wantrast) -{ - register int slop, fmag; - register struct font *f; - register struct fontconf *fc; - register struct fontops *fo; - register char *path; - int fd, scaled; - double mag; - static char firstpath[PATHLEN], laterpath[PATHLEN]; - - if (!didinit) - fontinit((char *)NULL); - - /* - * The equation below means, approximately, `the font is - * magnified by the ratio of the actual size dvimag to the - * design size dvidsz, and then further scaled by the - * global magnification.' We multiply this by the printer's - * resolution in dots per inch, then use the per-font - * conversion factor to convert a dots-per-inch value to - * a font name `%m' magnification (extension). - */ - mag = (double) dvimag / (double) dvidsz; - scaled = mag * 1000.0 + 0.5; - mag *= Conversion.c_mag * Conversion.c_dpi; - - path = firstpath; /* no canonical font name yet */ - for (fc = fonts; fc != NULL; fc = fc->fc_next) { - if (dev != NULL && fc->fc_spec != NULL && - !EQ(dev, fc->fc_spec)) - continue; - /* - * Fake fonts are ignored unless there is already - * `canonical' real font. The first non-fake font - * is the `canonical' one. - */ - fo = fc->fc_ops; - if (path == firstpath && fo->fo_fakefont) - continue; - fmag = mag * fo->fo_dpitomag + 0.5; - for (slop = 0; slop <= fc->fc_slop; slop++) { - pave(path, fc->fc_path, nm, fmag + slop); - if ((fd = open(path, 0)) >= 0) - goto found; - path = laterpath; /* tried at least one now */ - if (slop) { - pave(path, fc->fc_path, nm, fmag - slop); - if ((fd = open(path, 0)) >= 0) - goto found; - } - } - } - - /* not found */ - if (path == firstpath) { - *fname = NULL; - errno = ENXIO; - } else { - *fname = firstpath; - errno = ENOENT; - } - return (NULL); - -found: - *fname = path; - - /* allocate space for the per-font info, and read it in */ - f = (struct font *)malloc(sizeof *f); - if (f == NULL) { - errno = ENOMEM; - return (NULL); - } - f->f_flags = wantrast ? FF_RASTERS : 0; - f->f_ops = fc->fc_ops; - f->f_path = strsave(path); - f->f_font = strsave(nm); - f->f_dvimag = dvimag; - f->f_dvidsz = dvidsz; - f->f_scaled = scaled; - f->f_pspace = f->f_dvimag / 6; /* a three-unit "thin space" */ - f->f_nspace = -4 * f->f_pspace; - f->f_vspace = 5 * f->f_pspace; - errno = 0; - if ((*f->f_ops->fo_read)(f, fd)) { - int e = errno; /* paranoid */ - - free(f->f_path); - free(f->f_font); - free((char *)f); - errno = e; - return (NULL); - } - if (f->f_ops->fo_fakefont) { - error(0, 0, "Warning: no font for %s", Font_TeXName(f)); - if (firstpath[0]) - error(0, 0, "(wanted, e.g., \"%s\")", firstpath); - error(0, 0, "I will substitute %s for the missing glyphs", - f->f_ops->fo_fakefont == 1 ? "boxes" : "white space"); - } - return (f); -} - diff --git a/Build/source/texk/seetexk/font_subr.c b/Build/source/texk/seetexk/font_subr.c deleted file mode 100644 index 1d8f698d1d6..00000000000 --- a/Build/source/texk/seetexk/font_subr.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/font_subr.c,v 2.8 89/10/30 04:08:52 chris Exp $"; -#endif - -/* - * Subroutines common to all fonts. - */ - -#include "types.h" -#include "error.h" -#include "font.h" - -static struct glyph *freeglyphs; - -#if !defined( WIN32 ) && !defined( _AMIGA ) -char *malloc(); -extern errno; -#endif - -/* - * Set up the font structures to note that a font has glyphs in - * the half-open interval [low, high). - * - * SHOULD I ALLOW ADDITIONS TO THE RANGE VIA SUBSEQUENT CALLS TO - * FontHasGlyphs? - */ -FontHasGlyphs(f, low, high) - register struct font *f; - register int low, high; -{ - register struct glyph **gp; - - /* record bounds */ - f->f_lowch = low; - f->f_highch = high; - - /* - * Allocate space for all the glyph pointers, and set - * them all to NULL. - */ - if (low >= high) /* no glyphs */ - gp = NULL; - else { - gp = (struct glyph **) malloc((unsigned) (high - low) * - sizeof (*gp)); - if (gp == NULL) - return (-1); - } - f->f_glybase = gp; - f->f_gly = gp - low; - while (++low <= high) - *gp++ = NULL; - return (0); -} - -/* - * AllocGlyph allocates a new glyph. ReleaseGlyph puts one onto the free - * list. We maintain a local list of free glyphs. - */ -#define ReleaseGlyph(g) \ - ((g)->g_un.g_next = freeglyphs, freeglyphs = (g)) - -static struct glyph * -AllocGlyph(n) - int n; -{ - register struct glyph *g; - register int i; - - if ((g = freeglyphs) == NULL) { - g = (struct glyph *) malloc((unsigned) (128 * sizeof (*g))); - if (g == NULL) - error(1, errno, "out of glyph memory"); - g += (i = 128); - while (--i >= 0) { - g--; - ReleaseGlyph(g); - } - } - freeglyphs = g->g_un.g_next; - g->g_flags = 0; - g->g_raster = NULL; - g->g_index = n; - g->g_xescapement = NO_ESCAPEMENT;/* default, if not set by font */ - g->g_yescapement = NO_ESCAPEMENT; - return (g); -} - -/* - * Free one glyph. - */ -void -FreeGlyph(f, g) - struct font *f; - register struct glyph *g; -{ - int n = g->g_index; - -#ifdef notdef - (*f->f_ops->fo_freegly)(f, n, n); -#endif - if (g->g_raster != NULL) - free(g->g_raster); - ReleaseGlyph(g); - f->f_gly[n] = NULL; -} - -/* - * Free a font. - */ -void -FreeFont(f) - register struct font *f; -{ - register struct glyph *g; - register int i; - -#ifdef notdef - (*f->f_ops->fo_freegly)(f, f->f_lowch, f->f_highch); -#endif - for (i = f->f_lowch; i < f->f_highch; i++) { - if ((g = f->f_gly[i]) == NULL) - continue; - if (g->g_raster != NULL) - free(g->g_raster); - ReleaseGlyph(g); - } - if (f->f_glybase != NULL) - free((char *)f->f_glybase); - (*f->f_ops->fo_freefont)(f); - free(f->f_path); - free(f->f_font); - free((char *)f); -} - -/* - * Get glyph `c' in font `f'. We pull in a few adjacent glyphs here - * under the (perhaps naive) assumption that things will go faster - * that way. - * - * TODO: - * try different adjacency values - * make adjacency a font attribute? (or an op) - */ -#define ADJ 4 /* must be a power of 2 */ -#define GET_ADJ(c, l, h) ((h) = ADJ + ((l) = (c) & ~(ADJ - 1))) - -struct glyph * -GetGlyph(f, c) - register struct font *f; - int c; -{ - register int i, h, l; - - GET_ADJ(c, l, h); - if (l < f->f_lowch) - l = f->f_lowch; - if (h > f->f_highch) - h = f->f_highch; - if (l >= h) - return (NULL); - for (i = l; i < h; i++) - if (f->f_gly[i] == NULL) - f->f_gly[i] = AllocGlyph(i); - - if ((*f->f_ops->fo_getgly)(f, l, h)) { - /* - * I do not know what to do about this just yet, so: - */ - panic("getgly fails and I am confused ... help!"); - } - - /* - * Apply the appropriate scale factor to the TFM widths. - * This makes them come out in scaled points, instead of FIXes. - */ - ScaleGlyphs(f, l, h); /* ??? */ - - return (f->f_gly[c]); -} - -/* - * Get the raster for glyph g in font f at rotation r. - */ -char * -GetRaster(g, f, r) - register struct glyph *g; - register struct font *f; - int r; -{ - int l, h; - - /* abort if caller did not ask for rasters in advance */ - if ((f->f_flags & FF_RASTERS) == 0) - panic("GetRaster(%s)", f->f_path); - - /* - * If there is no raster, get one. Blank characters, - * however, never have rasters. - */ - if (g->g_raster == NULL) { - if (!HASRASTER(g)) - return (NULL); - /* - * THE FOLLOWING DEPENDS ON THE ADJACENCY MATCHING THAT IN - * GetGlyph() ABOVE. - */ - GET_ADJ(g->g_index, l, h); - if (l < f->f_lowch) - l = f->f_lowch; - if (h > f->f_highch) - h = f->f_highch; - if ((*f->f_ops->fo_rasterise)(f, l, h)) - error(1, 0, "rasterise fails (out of memory?)"); - } - if (g->g_rotation != r) - SetRotation(g, r); - return (g->g_raster); -} - -void -FreeRaster(g) - struct glyph *g; -{ - - if (g->g_raster) { - free((g)->g_raster); - g->g_raster = NULL; - } -} - -/* - * Return a TeX-style font name, including scale factor. - * SHOULD I BOTHER WITH \magstep STYLE NAMES? - */ -char * -Font_TeXName(f) - register struct font *f; -{ - static char result[200]; - - if (f->f_scaled == 1000) - return (f->f_font); - (void) sprintf(result, "%s scaled %d", f->f_font, f->f_scaled); - return (result); -} diff --git a/Build/source/texk/seetexk/getopt.c b/Build/source/texk/seetexk/getopt.c deleted file mode 100644 index 258d91f3d9f..00000000000 --- a/Build/source/texk/seetexk/getopt.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * getopt - get option letter from argv - * (From Henry Spencer @ U of Toronto Zoology, slightly edited) - */ - -#include <stdio.h> - -char *optarg; /* Global argument pointer. */ -int optind; /* Global argv index. */ - -static char *scan; /* Private scan pointer. */ -#if defined( WIN32 ) || defined( _AMIGA ) -#include <string.h> -#define index strchr -#else -extern char *index(); -#endif - -int -getopt(argc, argv, optstring) - register int argc; - register char **argv; - char *optstring; -{ - register int c; - register char *place; - - optarg = NULL; - if (scan == NULL || *scan == 0) { - if (optind == 0) - optind++; - if (optind >= argc || argv[optind][0] != '-' || - argv[optind][1] == 0) - return (EOF); - if (strcmp(argv[optind], "--") == 0) { - optind++; - return (EOF); - } - scan = argv[optind] + 1; - optind++; - } - c = *scan++; - place = index(optstring, c); - - if (place == NULL || c == ':') { - fprintf(stderr, "%s: unknown option -%c\n", argv[0], c); - return ('?'); - } - place++; - if (*place == ':') { - if (*scan != '\0') { - optarg = scan; - scan = NULL; - } else { - if (optind >= argc) { - fprintf(stderr, - "%s: missing argument after -%c\n", - argv[0], c); - return ('?'); - } - optarg = argv[optind]; - optind++; - } - } - return (c); -} diff --git a/Build/source/texk/seetexk/gfclass.c b/Build/source/texk/seetexk/gfclass.c deleted file mode 100644 index 207b58ef7e4..00000000000 --- a/Build/source/texk/seetexk/gfclass.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/gfclass.c,v 2.3 89/08/22 21:52:30 chris Exp $"; -#endif - -/* - * gfclass - GF code classification tables. - */ - -#include "gfclass.h" - -/* shorthand---in lowercase for contrast (read on!) */ -#define three(x) x, x, x -#define four(x) x, x, x, x -#define five(x) four(x), x -#define six(x) four(x), x, x -#define eight(x) four(x), four(x) -#define sixteen(x) eight(x), eight(x) -#define thirty_two(x) sixteen(x), sixteen(x) -#define sixty_four(x) thirty_two(x), thirty_two(x) -#define one_twenty_eight(x) sixty_four(x), sixty_four(x) -#define one_sixty_five(x) one_twenty_eight(x), thirty_two(x), five(x) - -/* - * Length of the single (or first) operand, if any. - */ -char gf_oplen[256] = { - sixty_four(GPL_NONE), /* GF_PAINT_0 through GF_PAINT_63 */ - GPL_UNS1, /* GF_PAINT1 */ - GPL_UNS2, /* GF_PAINT2 */ - GPL_UNS3, /* GF_PAINT3 */ - GPL_NONE, /* GF_BOC */ - GPL_NONE, /* GF_BOC1 */ - GPL_NONE, /* GF_EOC */ - GPL_NONE, /* GF_SKIP0 */ - GPL_UNS1, /* GF_SKIP1 */ - GPL_UNS2, /* GF_SKIP2 */ - GPL_UNS3, /* GF_SKIP3 */ - one_sixty_five(GPL_NONE),/* GF_NEW_ROW_0 through GF_NEW_ROW_164 */ - GPL_UNS1, /* GF_XXX1 */ - GPL_UNS2, /* GF_XXX2 */ - GPL_UNS3, /* GF_XXX3 */ - GPL_SGN4, /* GF_XXX4 */ - GPL_SGN4, /* GF_YYY */ - GPL_NONE, /* GF_NOP */ - GPL_NONE, /* GF_CHAR_LOC */ - GPL_NONE, /* GF_CHAR_LOC0 */ - GPL_NONE, /* GF_PRE */ - GPL_NONE, /* GF_POST */ - GPL_NONE, /* GF_POSTPOST */ - six(GPL_NONE) /* 250 through 255 */ -}; - -/* - * Types of the various opcodes. - */ -char gf_gt[256] = { - sixty_four(GT_PAINT0), /* GF_PAINT_0 through GF_PAINT_63 */ - three(GT_PAINT), /* GF_PAINT1 through GF_PAINT3 */ - GT_BOC, /* GF_BOC */ - GT_BOC1, /* GF_BOC1 */ - GT_EOC, /* GF_EOC */ - GT_SKIP0, /* GF_SKIP0 */ - three(GT_SKIP), /* GF_SKIP1 through GF_SKIP3 */ - one_sixty_five(GT_NEW_ROW),/* GF_NEW_ROW_0 throgh GF_NEW_ROW_164 */ - four(GT_XXX), /* GF_XXX1 through GF_XXX4 */ - GT_YYY, /* GF_YYY */ - GT_NOP, /* GF_NOP */ - GT_CHAR_LOC, /* GF_CHAR_LOC */ - GT_CHAR_LOC0, /* GF_CHAR_LOC0 */ - GT_PRE, /* GF_PRE */ - GT_POST, /* GF_POST */ - GT_POSTPOST, /* GF_POSTPOST */ - six(GT_UNDEF) /* 250 through 255 */ -}; diff --git a/Build/source/texk/seetexk/gfclass.h b/Build/source/texk/seetexk/gfclass.h deleted file mode 100644 index dd43f8254aa..00000000000 --- a/Build/source/texk/seetexk/gfclass.h +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * GF classification codes - */ - -/* - * Predicate for simple paint commands. This is presumably the most - * common GF operation; it may be profitable to check for this before - * switching out on the command type. - */ -#define GF_IsPaint(c) ((c) < 64) - -/* - * Symbolic names for command `types', as returned by the macro - * GT_TYPE(int c). - */ -#define GT_PAINT0 0 /* paint without parameter */ -#define GT_PAINT 1 /* paint with parameter */ -#define GT_BOC 2 /* long BOC */ -#define GT_BOC1 3 /* short BOC */ -#define GT_EOC 4 /* EOC */ -#define GT_SKIP0 5 /* parameterless SKIP */ -#define GT_SKIP 6 /* parmeterised SKIP */ -#define GT_NEW_ROW 7 /* NEW_ROW_n */ -#define GT_XXX 8 /* XXXn */ -#define GT_YYY 9 /* YYY */ -#define GT_NOP 10 /* no op */ -#define GT_CHAR_LOC 11 /* CHAR_LOC */ -#define GT_CHAR_LOC0 12 /* abbreviated CHAR_LOC */ -#define GT_PRE 13 -#define GT_POST 14 -#define GT_POSTPOST 15 -#define GT_UNDEF 16 - -/* - * Symbolic names for parameter lengths, obtained via the macro - * GT_OpLen(int c). - */ -#define GPL_NONE 0 /* no parameter, or too complex */ -#define GPL_UNS1 1 /* one one-byte parameter in 0..255 */ -#define GPL_UNS2 2 /* one two-byte parameter in 0..65535 */ -#define GPL_UNS3 3 /* one three-byte parameter in 0..16777215 */ -#define GPL_SGN4 4 /* one four-byte signed parameter */ -/* - * there are no unsigned four byte parameters, and no shorter signed - * parameters - */ - -#define GF_OpLen(code) (gf_oplen[code]) -#define GF_TYPE(code) (gf_gt[code]) -extern char gf_oplen[]; -extern char gf_gt[]; diff --git a/Build/source/texk/seetexk/gfcodes.h b/Build/source/texk/seetexk/gfcodes.h deleted file mode 100644 index beab1c54ea7..00000000000 --- a/Build/source/texk/seetexk/gfcodes.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * GF (generic font) opcodes. - */ - -#define GF_PAINT_0 0 /* paint with `d' = 0 */ - /* ... through PAINT_63, d = 63 */ -#define GF_PAINT1 64 /* paint, with a one-byte parameter */ -#define GF_PAINT2 65 /* paint, with a two-byte parameter */ -#define GF_PAINT3 66 /* paint, with a three-byte parameter */ -#define GF_BOC 67 /* beginning of character */ -#define GF_BOC1 68 /* compressed form of BOC */ -#define GF_EOC 69 /* end of character */ -#define GF_SKIP0 70 /* finish this row, begin next with white */ -#define GF_SKIP1 71 /* finish row, one byte parameter */ -#define GF_SKIP2 72 -#define GF_SKIP3 73 -#define GF_NEW_ROW_0 74 /* begin a new row, ready to blacken */ -#define GF_NEW_ROW_1 75 /* begin a new row, but one col. from left */ - /* through GF_NEW_ROW_164 */ -#define GF_XXX1 239 /* special (interpreter dependent) command */ -#define GF_XXX2 240 /* like XXX1, but two byte length parameter */ -#define GF_XXX3 241 -#define GF_XXX4 242 -#define GF_YYY 243 /* takes four byte parameter, otherwise nop */ - /* (generated by METAFONT for numspecial) */ -#define GF_NOP 244 /* no op */ -#define GF_CHAR_LOC 245 /* character locator */ -#define GF_CHAR_LOC0 246 /* abbreviated form of CHAR_LOC */ -#define GF_PRE 247 /* introduces preamble */ -#define GF_POST 248 /* introduces postamble */ -#define GF_POSTPOST 249 /* marks end of postamble */ - - /* codes 250 through 255 are undefined */ - -#define GF_ID 131 /* identifies this revision of GF */ - -#define GF_FILLER 223 /* filler bytes at end of GF file */ diff --git a/Build/source/texk/seetexk/gffont.c b/Build/source/texk/seetexk/gffont.c deleted file mode 100644 index 85301b03c53..00000000000 --- a/Build/source/texk/seetexk/gffont.c +++ /dev/null @@ -1,946 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/gffont.c,v 2.9 89/09/02 17:16:17 chris Exp $"; -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "types.h" -#include "error.h" -#include "font.h" -#include "gfcodes.h" -#include "gfclass.h" -#include "num.h" - -/* - * GF font operations. - * - * GF files may be compact, but this code surely is not! - * - * TODO: - * think about fonts with characters outside [0..255] - * find some way to free gf body when done - */ -static int gf_read(), gf_getgly(), gf_rasterise(); -static void gf_freefont(); - -struct fontops gfops = - { "gf", 0, 1.0, gf_read, gf_getgly, gf_rasterise, gf_freefont }; - -/* - * Local info. - */ - -/* - * A bounding box. The names follow those in the GF documentation. - */ -struct bounds { - i32 min_m, max_m; /* min and max `m' (colunm) values */ - i32 min_n, max_n; /* min and max `n' (row) values */ -}; - -/* - * char_loc is one `character locator' from a GF file, save for the - * `character residue', which we need not. - */ -struct char_loc { - i32 cl_dx; /* x escapement (scaled pixels) */ - i32 cl_dy; /* y escapement (scaled pixels) */ - i32 cl_w; /* TFM width */ - i32 cl_p; /* pointer to BOC (or specials) */ -}; - -/* - * GF details include: - * -> the main body of the GF file (all bytes save pre- and post-amble); - * -> global box boundaries; - * and character locators, addressed by `character residue'. Empty - * slots are indicated by a -1 `pointer'. - */ -struct gf_details { - char *gd_body; /* GF body */ - char *gd_base; /* == gd_body - preamble_size */ - struct bounds gd_gb; /* global boundaries */ - struct char_loc gd_cl[256]; /* character locators */ -}; - -/* - * Get the gf_details from font f. - */ -#define ftogd(f) ((struct gf_details *)(f)->f_details) - -#if !defined( WIN32 ) && !defined( _AMIGA ) -extern int errno; -extern char *malloc(); -#endif -char *copyit(); - -/* - * This code mimicks findpost.c. - */ -#define POSTSIZE 512 - -/* - * Find the GF postamble. Store the offsets of the POST and POSTPOST - * opcodes through postp and postpostp. - */ -static int -findGFpostamble(fd, postp, postpostp) - int fd; - long *postp, *postpostp; - -{ - register long offset; - register char *p; - register int i; - register i32 n; - char postbuf[POSTSIZE]; - - offset = lseek(fd, 0L, 2); - do { - - if ((offset -= POSTSIZE) < 0L) - offset = 0L; - (void) lseek(fd, offset, 0); - i = read(fd, postbuf, POSTSIZE); - if (i <= 0) - break; - for (p = postbuf + i; --i >= 0;) - if (UnSign8(*--p) != GF_FILLER) - goto found_something; - } while (offset); - return (-1); /* ran out of filler */ - -found_something: - if (UnSign8(*p) != GF_ID) - return (-1); /* not a GF file */ - offset += i; /* this is the offset of *p */ - *postpostp = offset - 5;/* POSTPOST should be here */ - /* we need 4 bytes for the pointer */ - if (i >= 4) - p -= 4; - else { - offset -= 4; - if (offset < 0L) - return (-1); /* tsk */ - (void) lseek(fd, offset, 0); - if (read(fd, p = postbuf, 4) != 4) - return (-1); - } - /* - * p now points to the postamble pointer. Get it and - * seek to the postamble, also saving the offset. - */ - pGetLong(p, n); - *postp = offset = n; - (void) lseek(fd, offset, 0); - return (0); /* made it */ -} - -/* - * Read a GF file. - */ -static int -gf_read(f, fd) - register struct font *f; - int fd; -{ - register struct gf_details *gd; - register char *p; - register struct char_loc *cl; - register int i; - int presize, postsize, bodysize, firstc, lastc; - char *postamble; - long postaddr, postpostaddr; - i32 lasteoc; - char *problem = NULL; - struct stat st; - char b[4]; - int saverr; - - gd = NULL; /* prepare for failure */ - postamble = NULL; - - /* - * The file had best be at least 50 bytes long. A - * `completely empty' GF file might consist of a PRE, a GF_ID, - * no comment (one zero byte), then: POST, pointer to last - * EOC, design size, checksum, hppp, vppp, min_m, max_m, - * min_n, max_n, POSTPOST, pointer to POST, GF_ID, and four - * FILLERs. - */ - (void) fstat(fd, &st); - if (st.st_size < 50) { /* too small to be a GF file */ - problem = "file is too short"; - goto fail; - } - - /* - * Read the very beginning and pick up the preamble size. - */ - if (read(fd, b, 4) != 4) - goto fail; - if (UnSign8(b[0]) != GF_PRE) { - problem = "file does not begin with PRE"; - goto fail; - } - i = UnSign8(b[1]); - if (i != GF_ID) - error(0, 0, "Warning: strange GF id (%d) in \"%s\"", i, - f->f_path); - presize = 3 + UnSign8(b[2]); - - /* - * Find the postamble, allocate space, and read it in. - */ - if (findGFpostamble(fd, &postaddr, &postpostaddr)) { - problem = "cannot find postamble"; - goto fail; - } - postsize = postpostaddr - postaddr + 1; - if ((p = malloc(postsize)) == NULL) - goto fail; - if (read(fd, p, postsize) != postsize) - goto fail; - postamble = p; - - /* - * Make sure we found it. - */ - if (pgetbyte(p) != GF_POST) { - problem = "no GF_POST at postamble"; - goto fail; - } - if (UnSign8(postamble[postsize - 1]) != GF_POSTPOST) { - problem = "no GF_POSTPOST after postamble"; - goto fail; - } - - /* - * Looks okay. Allocate detail space and poke through the postamble. - */ - if ((gd = (struct gf_details *) malloc(sizeof (*gd))) == NULL) - goto fail; - gd->gd_body = NULL; - - pGetLong(p, lasteoc); /* actually one past last EOC */ - pGetLong(p, f->f_design_size); - pGetLong(p, f->f_checksum); - pGetLong(p, f->f_hppp); - pGetLong(p, f->f_vppp); - - pGetLong(p, gd->gd_gb.min_m); - pGetLong(p, gd->gd_gb.max_m); - pGetLong(p, gd->gd_gb.min_n); - pGetLong(p, gd->gd_gb.max_n); - - /* - * Zap all the character locators, then read those that are - * defined in the postamble. Remember the first and last - * characters so that we know which glyphs are defined. Lastc - * is actually the last-plus-one'th character. - */ - for (cl = gd->gd_cl, i = 256; --i >= 0; cl++) - cl->cl_p = -1; - firstc = 256; - lastc = 0; - for (;;) { - i32 dx, dy; - - switch (pgetbyte(p)) { - - case GF_CHAR_LOC: - i = pgetbyte(p); - pGetLong(p, dx); - pGetLong(p, dy); - goto merge; - - case GF_CHAR_LOC0: - i = pgetbyte(p); - dx = ((i32) pgetbyte(p)) << 16; - dy = 0; -merge: - if (i < firstc) - firstc = i; - if (i >= lastc) - lastc = i + 1; - cl = &gd->gd_cl[i]; - cl->cl_dx = dx; - cl->cl_dy = dy; - pGetLong(p, cl->cl_w); - pGetLong(p, cl->cl_p); - break; - - case GF_POSTPOST: - goto done; - - default: - error(0, 0, "I do not understand %d here", - UnSign8(p[-1])); - problem = "unexpected opcode in postamble"; - goto fail; - } - } -done: - free(postamble); - postamble = NULL; /* all done with it */ - - /* - * Alas, we need the instructions whether or not we need - * the rasters, since the raster bounding box information - * can only be properly determined by converting the rasters. - * Compute the size of the main body of the GF file, then - * read it in. - */ - bodysize = lasteoc - presize; - if ((gd->gd_body = malloc(bodysize + 1)) == NULL) - goto fail; - (void) lseek(fd, (long) presize, 0); - if (read(fd, gd->gd_body, bodysize) != bodysize) - goto fail; - /* - * The next byte might be a special, so we just - * arbitrarily stuff in a POST. - */ - gd->gd_body[bodysize] = GF_POST; - gd->gd_base = gd->gd_body - presize; - - f->f_details = (char *)gd; - if (FontHasGlyphs(f, firstc, lastc)) - goto fail2; - (void) close(fd); - return (0); - -fail: - if (problem == NULL) - error(0, errno, "trouble reading \"%s\"", f->f_path); - else { - error(0, 0, "%s", problem); - error(0, 0, "(are you sure \"%s\" is a GF file?)", f->f_path); - } - errno = 0; -fail2: - saverr = errno; - if (postamble != NULL) - free(postamble); - if (gd != NULL) { - if (gd->gd_body != NULL) - free(gd->gd_body); - free((char *) gd); - } - (void) close(fd); - errno = saverr; - return (-1); -} - -/* - * Some global variables, used while building rasters. (These are - * referenced also in copyit(), so must be global. Fortunately, no - * one yet requires the font routines to be re-entrant.) - */ -static char *buildraster; /* raster being built */ -static int buildsize; /* size of buildraster (bytes) */ - -static struct bounds tempb; /* bounds used during buildraster */ -static struct bounds ob; /* observed bounds */ - -/* - * Bit tables: `left' and `right' bits. lbits[b] has all the bits - * that are to the left of bit b set; rbits[b] has all the bits - * that are to the right of bit b set, as well as bit b itself. - */ -static char lbits[] = { 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe }; -static char rbits[] = { 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01 }; - -/* - * The magic address `nullraster' is known in getgly() as a valid - * but empty raster, and changed there to NULL. A NULL return from - * drawchar indicates failure; we need something to distinguish the - * empty raster. - */ -static char nullraster[1]; - -/* - * `Inline functions': - * -> convert a bit number to a byte number (round down); - * -> convert a number of bits to a number of bytes (round up); - * and convert a bit to a bit index. - */ -#define btoby(b) ((b) >> 3) -#define btonb(b) (((b) + 7) >> 3) -#define btobi(b) ((b) & 7) - -/* - * Helper function for getgly: build the raster, and compute its - * minimal bounding box. Called with `p' pointing past the backpointer - * field of the BOC command (i.e., at min_m or del_m). `abbrev' is true - * iff this was a BOC1. `globalb' are the global bounds from the GF file, - * whose name is pointed to by gfname. - */ -static char * -drawchar(p, abbrev, globalb, gfname) - register char *p; - int abbrev; - struct bounds globalb; - char *gfname; -{ - register i32 m; /* m register (column) */ - register char *colp; /* pointer to byte corresponding to m */ - register int c; /* temporary */ - register i32 i; /* temporary */ - register int black; /* true when paint_switch==black */ - register i32 n; /* n register (row) */ - int stride; /* multiplier to convert linear to 2d array */ - int wrotethisrow; /* true iff we wrote in the current row */ - char *virtrast; /* virtual origin version of buildraster */ - int mustcopy; /* true if we must copy the built raster */ - struct bounds gb; /* bounds from the GF file */ - - /* get the bounds */ - if (abbrev) { - c = pgetbyte(p);/* del_m */ - gb.min_m = (gb.max_m = pgetbyte(p)) - c; - c = pgetbyte(p);/* del_n */ - gb.min_n = (gb.max_n = pgetbyte(p)) - c; - } else { - pGetLong(p, gb.min_m); - pGetLong(p, gb.max_m); - pGetLong(p, gb.min_n); - pGetLong(p, gb.max_n); - } - - /* - * Trim the GF bounds according to the global bounds. We - * use the trimmed values to allocate the build space. - */ - tempb = gb; -#define GB_ADJ(field, cmp) \ - if (tempb.field cmp globalb.field) \ - tempb.field = globalb.field - GB_ADJ(min_m, <); - GB_ADJ(max_m, >); - GB_ADJ(min_n, <); - GB_ADJ(max_n, >); -#undef GB_ADJ - - /* - * First check for completely empty characters---that is, - * those where min > max. The space in cmtex10, for instance, - * could be a completely empty character, but for some reason - * METAFONT declares cmtex10 space as [0..0][0..0]. - * Nonetheless, we will not assume that [0..-1][0..0] or - * the like are impossible. - */ - if (tempb.min_m > tempb.max_m || tempb.min_n > tempb.max_n) - return (nullraster); - - /* - * Compute the distance between rows (the number of bytes per - * column), then make sure there is room in the build space - * for [min_n..max_n] of these, possibly by allocating a new raster. - */ - stride = btonb(tempb.max_m - tempb.min_m + 1); - c = stride * (tempb.max_n - tempb.min_n + 1); - if (c > buildsize) { - if (buildraster != NULL) - free(buildraster); - if ((buildraster = malloc(c)) == NULL) { - buildsize = 0; - return (NULL); - } - buildsize = c; - } - - /* - * If we are using an old raster that is too big, remember to - * scrunch it down later. - */ - mustcopy = buildsize > c; - - /* clear the raster to white */ - bzero(buildraster, c); - - /* - * Make a virtual origin raster pointer. The virtual origin is - * where raster[0][0] is, whether or not there is a raster[0][0]. - * Normally, this would be - * &buildraster[-gb.min_n * stride - btoby(gb.min_m)], - * but it is complicated by two things. Firstly, we would like - * n==max_n to be the bottommost point in the raster (low - * addresses), and n==min_n to be the topmost (high addresses). - * In other words, we need to reflect the n (Y) values about - * the X axis: negate them. Secondly, the raster we create - * must be `flush left'. That is, somewhere along its rows, - * bit 0x80 must be set at the left edge of one of its columns. - * We need to subtract away the minimum bit index before - * calculating bit values. This cannot really be done in - * advance, since we cannot address bits directly. - */ - virtrast = &buildraster[gb.max_n * stride]; - - /* - * Set up the bounds-trimming variables. We could do this by - * simply setting the observed min point to a very large number, - * and the observed max point to a very small number, but this - * way we need not come up with extreme numbers (which might not - * be portable). - * - * If at least one pixel is blackened, the observed bounds will - * become the correct bounds in the code below, and we will have - * min<=max; but if no pixels are blackened, we arrange to have - * min>max, so we have to check for that again later. - * - * This would be `min = max + 1' and `max = min - 1', but for - * efficiency, the observed m bounds are kept offset by gb.min_m - * until we finish drawing the character. - */ - ob.min_m = tempb.max_m + 1 - gb.min_m; - ob.max_m = tempb.min_m - 1 - gb.min_m; - ob.min_n = tempb.max_n + 1; - ob.max_n = tempb.min_n - 1; - wrotethisrow = 0; - -#define FIX_N_BOUNDS() { \ - if (wrotethisrow) { \ - c = -n; /* recall that n is reflected about X axis */ \ - if (c < ob.min_n) \ - ob.min_n = c; \ - if (c > ob.max_n) \ - ob.max_n = c; \ - wrotethisrow = 0; \ - } \ -} - - /* - * Initialise state variables: m = min_m, n = max_n, - * paint_switch = white. - */ - m = 0; /* gb.min_m - gb.min_m */ - n = -gb.max_n; /* reflected */ - colp = &virtrast[n * stride]; -if (colp != buildraster) -panic("gffont drawchar colp != buildraster"); - black = 0; - - /* - * Now interpret the character. - * `for (;;)' pushes everything off the right edge, alas. - */ -more: - c = pgetbyte(p); - if (GF_IsPaint(c)) /* faster? */ - goto paint; - switch (GF_OpLen(c)) { - - case GPL_NONE: - break; - - case GPL_UNS1: - i = pgetbyte(p); - break; - - case GPL_UNS2: - pGetWord(p, i); - break; - - case GPL_UNS3: - pGet3Byte(p, i); - break; - - case GPL_SGN4: - pGetLong(p, i); - break; - - default: - panic("gffont drawchar GF_OpLen(%d) = %d", c, GF_OpLen(c)); - /* NOTREACHED */ - } - - switch (GF_TYPE(c)) { - - case GT_PAINT0: -paint: - i = c - GF_PAINT_0; - /* FALLTHROUGH */ - - case GT_PAINT: - /* - * Paint `i' bits in the current row at columns [m..m+i). - */ - if (i && black) { - /* remember to adjust n bounds later */ - wrotethisrow = 1; - /* adjust minimum m bound */ - if (m < ob.min_m) - ob.min_m = m; - - /* - * Finish the partial byte at colp. There are 8-k - * bits to set to finish it, where k is the bit - * index value from m. If we need to set fewer - * than 8-k bits, set them now and skip the rest - * of this. - */ - c = 8 - btobi(m); - if (i < c) { /* cannot finish it off */ - *colp |= UnSign8(lbits[i]) >> btobi(m); - m += i; - } else { /* finish it off */ - *colp++ |= rbits[btobi(m)]; - i -= c; - m += c; - - /* - * Update m to reflect having written the - * remaining i bits, then write them. - * First write all the full bytes, then - * start a partial byte with whatever - * is left over, if anything. - */ - m += i; - i >>= 3; - while (--i >= 0) - *colp++ = 0xff; - *colp |= lbits[btobi(m)]; - } - - /* adjust maximum m bound */ - if (m > ob.max_m) - ob.max_m = m; - } else { - /* - * Add the bit index so that we round up whenever - * this fills the partial byte at colp. - */ - colp += (i + btobi(m)) >> 3; - m += i; - } - black = !black; - break; - - case GT_EOC: /* all done */ - FIX_N_BOUNDS(); - goto done; - - case GT_SKIP0: /* skip no rows */ - i = 0; - /* FALLTHROUGH */ - - case GT_SKIP: /* skip some rows, draw white */ - m = 0; - black = 0; - goto skip_or_new_row; - - case GT_NEW_ROW: /* next row near left col, draw black */ - m = c - GF_NEW_ROW_0; - black = 1; - i = 0; /* n offset is 1: skip no rows */ -skip_or_new_row: - FIX_N_BOUNDS(); - n += i + 1; /* += because reflected */ - colp = &virtrast[n * stride + btoby(m)]; - break; - - case GT_XXX: /* special */ - p += i; - break; - - case GT_YYY: /* numspecial */ - break; - - case GT_NOP: /* dull */ - break; - - case GT_BOC: /* should not appear */ - case GT_BOC1: - case GT_CHAR_LOC: - case GT_CHAR_LOC0: - case GT_PRE: - case GT_POST: - case GT_POSTPOST: - case GT_UNDEF: - error(0, 0, "unexpected GF opcode %d", c); - error(1, 0, "bad GF file \"%s\"", gfname); - /* NOTREACHED */ - - default: - panic("gffont drawchar GF_TYPE(%d) = %d", c, GF_TYPE(c)); - /* NOTREACHED */ - } - goto more; - -done: - /* - * The observed bounds `m' values are both off by gb.min_m, so - * fix them now. - */ - ob.min_m += gb.min_m; - ob.max_m += gb.min_m; - - /* as noted above, we have to make sure there were some points */ - if (ob.min_m > ob.max_m) - return (nullraster); -if (ob.min_n > ob.max_n) -panic("gffont min>max: n but not m"); - - /* - * If we used too much memory for the raster, copy it now. - */ - if (mustcopy || tempb.min_n != ob.min_n || tempb.max_n != ob.max_n || - btonb(ob.max_m - ob.min_m + 1) != stride) - return (copyit()); - - /* - * If the left column bounds match, just move the raster in place. - */ - if (tempb.min_m == ob.min_m) { - p = buildraster; - buildraster = NULL; - buildsize = 0; - return (p); - } - - /* - * The raster must be copied, but only because it is not - * `left justified'. - * - * CONSIDER DEFERRING THIS PHASE UNTIL THE RASTER IS USED - */ - return (copyit()); -} - -/* - * Copy the built raster to newly allocated space. - * We may need to shift all the bits left as well. - */ -char * -copyit() -{ - register char *o, *p; - register int i, oldoff, newoff; - char *n; - - /* - * Compute the observed minimum stride. - */ - newoff = btonb(ob.max_m - ob.min_m + 1); - n = malloc((unsigned)(newoff * (ob.max_n - ob.min_n + 1))); - if ((p = n) == NULL) - return (NULL); - - /* - * Compute the old stride. - */ - oldoff = btonb(tempb.max_m - tempb.min_m + 1); -if (oldoff < newoff) -panic("gffont copyit oldoff < newoff"); - - /* - * Point at the old raster, then add the offset to the first - * written row, and then the offset to the first written column. - */ - o = buildraster; - o += (ob.max_n - tempb.max_n) * oldoff; - i = ob.min_m - tempb.min_m; - o += btoby(i); - - /* - * Now copy each row, doing shifting if required. - */ - if ((i = btobi(i)) != 0) { /* must shift, alas */ - register int r = 8 - i, j, k; - - oldoff -= newoff; - for (k = ob.max_n; k >= ob.min_n; k--) { - for (j = newoff; --j > 0;) { - *p = *o++ << i; - *p++ |= UnSign8(*o) >> r; - } - /* last byte is special: no rightward bits */ - *p++ = *o++ << i; - o += oldoff; - } - } else if (oldoff > newoff) { /* compressing columns */ - for (i = ob.max_n; i >= ob.min_n; i--) { - bcopy(o, p, newoff); - o += oldoff; - p += newoff; - } - } else /* just squeezing out extra rows */ - bcopy(o, p, newoff * (ob.max_n - ob.min_n + 1)); - - /* finally, return the copy */ - return (n); -} - -/* - * Obtain the specified range of glyphs. - */ -static int -gf_getgly(f, l, h) - register struct font *f; - int l, h; -{ - register struct glyph *g; - register struct char_loc *cl; - register char *p; - register i32 c; - register int i; - register i32 thisboc; - int abbrev; - struct gf_details *gd = ftogd(f); - - /* - * For each glyph, make sure there exists an instance of that - * character residue. Go find the actual glyph (which may be - * arbitrarily far down a chain of pointers) and get its info. - */ - for (cl = &gd->gd_cl[i = l]; i < h; i++, cl++) { - g = f->f_gly[i]; - thisboc = cl->cl_p; - - /* - * Screw around locating the character for real. - */ - while (thisboc != -1) { - p = gd->gd_base + thisboc; -skip: - c = pgetbyte(p); - switch (GF_TYPE(c)) { - - case GT_XXX: - switch (GF_OpLen(c)) { - - case GPL_UNS1: - c = pgetbyte(p); - break; - - case GPL_UNS2: - pGetWord(p, c); - break; - - case GPL_UNS3: - pGet3Byte(p, c); - break; - - case GPL_SGN4: - pGetLong(p, c); - break; - - default: - panic("gf_getgly GF_OpLen(%d) = %d", - c, GF_OpLen(c)); - /* NOTREACHED */ - } - p += c; - goto skip; - - case GT_YYY: - p += 4; - goto skip; - - case GT_BOC: - abbrev = 0; - pGetLong(p, c); - break; - - case GT_BOC1: - abbrev = 1; - c = pgetbyte(p); - break; - - default: - error(0, 0, "GF code %d; I expected BOC", c); - error(1, 0, "bad GF file \"%s\"", f->f_path); - /* NOTREACHED */ - } - /* - * Found a BOC. If it is the right character, - * go handle it. - */ - if (c == i) - goto handleit; - if ((c & 255) != i) { - error(0, 0, "%d != %d mod 256", c, i); - error(1, 0, "Bad GF file \"%s\"", f->f_path); - } - /* - * Follow the backpointer. - */ - if (abbrev) - thisboc = -1; - else - pGetLong(p, thisboc); - } - - /* - * If we get here, the glyph is not valid after all. - */ - continue; - - /* - * The glyph is okay. Set it up. - */ -handleit: - g->g_flags = GF_VALID; - g->g_xescapement = cl->cl_dx; - g->g_yescapement = cl->cl_dy; - g->g_rawtfmwidth = cl->cl_w; - if (!abbrev) - p += 4; /* skip backpointer */ - if ((p = drawchar(p, abbrev, gd->gd_gb, f->f_path)) == NULL) - return (-1); /* ??? */ - if (p == nullraster) { - /* min > max, hence max-min+1 <= 0; we want 0 */ - g->g_height = 0; - g->g_width = 0; - g->g_yorigin = 0; - g->g_xorigin = 0; - g->g_raster = NULL; - } else { - /* set height &c based on observed bounds */ - g->g_height = ob.max_n - ob.min_n + 1; - g->g_width = ob.max_m - ob.min_m + 1; - g->g_yorigin = ob.max_n; - g->g_xorigin = -ob.min_m; - g->g_raster = p; - } - g->g_rotation = ROT_NORM; - } - return (0); -} - -/* - * Obtain rasters for the specified glyphs. We did this above, while - * adjusting the bounding boxes, so this routine should never get called. - */ -static int -gf_rasterise(f, l, h) - struct font *f; - int l, h; -{ - - panic("gf_rasterise(%s, %d, %d)", f->f_path, l, h); -} - -/* - * Discard the font details. - */ -static void -gf_freefont(f) - struct font *f; -{ - struct gf_details *gd; - - if ((gd = ftogd(f)) != NULL) { - free(gd->gd_body); - free((char *) gd); - } -} diff --git a/Build/source/texk/seetexk/magfactor.c b/Build/source/texk/seetexk/magfactor.c deleted file mode 100644 index f0419d4aa81..00000000000 --- a/Build/source/texk/seetexk/magfactor.c +++ /dev/null @@ -1,40 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * Convert a magnification factor to floating point. This is used in - * conjunction with the FONT_SLOP stuff to try to get the file names - * right, and may also be used by DVI reading programs to get slightly - * more accurate values for (mag/1000.0). - */ -double -DMagFactor(mag) - int mag; -{ - - switch (mag) { - - case 1095: /* stephalf */ - return (1.095445); - - case 1315: /* stepihalf */ - return (1.314534); - - case 2074: /* stepiv */ - return (2.0736); - - case 2488: /* stepv */ - return (2.48832); - - case 2986: /* stepiv */ - return (2.985984); - - default: /* remaining mags have been ok */ - return ((double) mag / 1000.); - } - /* NOTREACHED */ -} diff --git a/Build/source/texk/seetexk/num.h b/Build/source/texk/seetexk/num.h deleted file mode 100644 index 80e03188df8..00000000000 --- a/Build/source/texk/seetexk/num.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * Pointer I/O: numbers. - * - * We deal in fixed format numbers and pointers here. - * For file I/O, see fio.h. - */ - -/* - * Get one unsigned byte. Note that this is a proper expression. - * The rest have more limited contexts, and are therefore OddLy - * CapItaliseD. - */ -#define pgetbyte(p) UnSign8(*(p)++) - -/* - * Get a two-byte unsigned integer, a three-byte unsigned integer, - * or a four-byte signed integer. - */ -#define pGetWord(p, r) ((r) = UnSign8(*(p)++) << 8, \ - (r) |= UnSign8(*(p)++)) -#define pGet3Byte(p,r) ((r) = UnSign8(*(p)++) << 16, \ - (r) |= UnSign8(*(p)++) << 8, \ - (r) |= UnSign8(*(p)++)) -#define pGetLong(p, r) ((r) = UnSign8(*(p)++) << 24, \ - (r) |= UnSign8(*(p)++) << 16, \ - (r) |= UnSign8(*(p)++) << 8, \ - (r) |= UnSign8(*(p)++)) - -/* - * ADD pputbyte, pPutWord, pPut3Byte, pPutLong HERE IF THEY PROVE - * USEFUL. (But then must consider changing PutWord &c in fio.h.) - */ diff --git a/Build/source/texk/seetexk/pkfont.c b/Build/source/texk/seetexk/pkfont.c deleted file mode 100644 index f5ccdb14159..00000000000 --- a/Build/source/texk/seetexk/pkfont.c +++ /dev/null @@ -1,731 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/pkfont.c,v 2.10 89/08/22 21:54:49 chris Exp $"; -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "types.h" -#include "error.h" -#include "font.h" -#include "num.h" - -/* - * PK font operations. - * - * The spelling `nybble' is a concession to the authors of the PK format. - */ -static int pk_read(), pk_getgly(), pk_rasterise(); -static void pk_freefont(); - -struct fontops pkops = - { "pk", 0, 1.0, pk_read, pk_getgly, pk_rasterise, pk_freefont }; - -/* - * Local info. - */ - -/* - * Commands. - */ -#define PK_XXX1 240 /* 1 byte special */ -#define PK_XXX2 241 /* 2 byte special */ -#define PK_XXX3 242 /* 3 byte special */ -#define PK_XXX4 243 /* 4 byte special */ -#define PK_YYY 244 /* METAFONT numspecial */ -#define PK_POST 245 /* marks postamble */ -#define PK_NO_OP 246 /* do nothing */ -#define PK_PRE 247 /* marks preamble */ - /* 248..255 undefined */ -#define PK_IsUndef(c) ((c) > PK_PRE) - -#define PK_ID 89 /* marks this brand of PK file */ - -/* - * Information about a character packet. - */ -struct cp { - char *cp_packet; /* the beginning of the packet */ - int cp_type; /* decoded pre type, see below */ -}; - -#define CP_SHORT 0 /* short preamble */ -#define CP_EXT_SHORT 1 /* extended short preamble */ -#define CP_LONG 2 /* long preamble */ - -/* - * The PK details include: - * -> a pointer to the next byte to fetch; - * -> the most recent byte fetched (when we are using nextnyb()); - * -> a flag indicating that we have used nybble 0 (bits 4..7) and - * should use nybble 1 next; - * -> the base address of the memory allocated for the PK file; - * -> the value of dyn_f (during character translation); - * -> the repeat count (during rasterisation); - * -> the lowest glyph number that is legal; - * -> the highest glyph number that is legal; - * -> glyph instructions for the standard glyphs; - * -> glyph instructions for more (nonstandard) glyphs; - * and the number of glyphs left unrasterised. - */ -struct pk_details { - char *pk_ptr; /* next byte to fetch */ - int pk_c; /* most recent byte fetched, if nybbling */ - int pk_1nyb; /* true => nybble 1 is next (bits 0..3) */ - char *pk_base; /* base of allocated memory */ - int pk_dyn_f; /* the dyn_f value */ - int pk_repeat; /* the repeat count */ - int pk_minc; /* minimum character value */ - int pk_maxc; /* maximum character value */ -#define MAXSTD 256 /* maximum `standard' character value */ - int pk_gleft; /* number of valid glyphs left uninterpreted */ - struct cp pk_cpack[MAXSTD]; /* for characters in [0..MAXSTD) */ - struct cp *pk_morec; /* for characters in [MAXSTD..maxc] */ -}; - -/* - * Fetch the next byte from the PK file. - */ -#define nextbyte(pk) pgetbyte((pk)->pk_ptr) - -/* - * PK packed number encoding. Nybbles in [1..dyn_f] represent themselves. - * Values in (dyn_f..13] are two-nybble values, and represent values - * dyn_f+1 through (13-dyn_f+1)*16+15. Zero marks a long number; 14 and - * 15 specify repeat counts instead (which are another packed number). - * Note that we cannot represent the number zero as a packed number. - */ -#define PK_LONGNUM 0 /* a `long number' */ -#define PK_REPEAT 14 /* set repeat count */ -#define PK_REPEAT1 15 /* set repeat to 1 */ - -/* - * Get the next nybble. This is an expression rendition of - * if (--pk->pk_1nyb < 0) { - * pk->pk_1nyb = 1; - * pk->pk_c = nextbyte(pk); - * return (pk->pk_c >> 4); - * } else - * return (pk->pk_c & 0xf); - */ -#define nextnyb(pk) \ - (--(pk)->pk_1nyb < 0 ? \ - ((pk)->pk_1nyb = 1, ((pk)->pk_c = nextbyte(pk)) >> 4) : \ - (pk)->pk_c & 0xf) - -/* - * Get the pk_details from font f. - */ -#define ftopk(f) ((struct pk_details *)(f)->f_details) - -static int scan_characters(); - -#if !defined( WIN32 ) && !defined( _AMIGA ) -extern int errno; -char *malloc(); -#endif - -/* - * PK subroutines. - */ - -/* - * Unpack a packed number. - */ -static int -pk_unpack(pk) - register struct pk_details *pk; -{ - register int i, j; - -top: - if ((i = nextnyb(pk)) == PK_LONGNUM) { -#if PK_LONGNUM != 0 /* this may be silly, but . . . */ - i = 0; -#endif - /* - * Expand a long number. There are one fewer leading - * zeros than there are nonzero digits to obtain, so - * count up the leading zeros, add one, and get that - * many digits. (The `digits' are hexadecimal values.) - */ - do { - i++; - } while ((j = nextnyb(pk)) == 0); - while (--i >= 0) { - j <<= 4; - j += nextnyb(pk); - } - return (j - 15 + (13 - pk->pk_dyn_f) * 16 + pk->pk_dyn_f); - } - if (i <= pk->pk_dyn_f) - return (i); - if (i < PK_REPEAT) - return ((i - pk->pk_dyn_f - 1) * 16 + nextnyb(pk) + - pk->pk_dyn_f + 1); - - /* - * There is a repeat count, either one or a packed number. - * Get it first, then start over. (tail recursion) - */ - if (i == PK_REPEAT) - pk->pk_repeat = pk_unpack(pk); - else - pk->pk_repeat = 1; - goto top; -} - -/* - * Skip over special commands (PK_XXX?, PK_YYY). - */ -static void -skip_specials(f) - struct font *f; -{ - struct pk_details *pk = ftopk(f); - register char *p = pk->pk_ptr; - register i32 i; - - for (;;) { - switch (UnSign8(*p++)) { - - case PK_XXX1: - i = UnSign8(*p++); - p += i; - break; - - case PK_XXX2: - pGetWord(p, i); - p += i; - break; - - case PK_XXX3: - pGet3Byte(p, i); - p += i; - break; - - case PK_XXX4: - pGetLong(p, i); - p += i; - break; - - case PK_YYY: - p += 4; - break; - - case PK_NO_OP: - break; - - case PK_PRE: - error(1, 0, "unexpected PK_PRE in \"%s\"", f->f_path); - break; - - default: - p--; - if (PK_IsUndef(UnSign8(*p))) - error(1, 0, "invalid opcode %d in \"%s\"", - f->f_path); - pk->pk_ptr = p; - return; - } - } -} - -/* - * Read a PK file. - */ -static int -pk_read(f, fd) - register struct font *f; - int fd; -{ - register struct pk_details *pk; - register char *p; - int i, minc; - struct stat st; - char *reason; - - pk = NULL; /* prepare for failure */ - reason = NULL; - (void) fstat(fd, &st); - if (st.st_size < 4) { /* ??? */ - reason = "file is too small"; - goto fail; - } - if ((pk = (struct pk_details *)malloc(sizeof (*pk))) == NULL) - goto fail; - pk->pk_morec = NULL; - if ((pk->pk_base = malloc(st.st_size)) == NULL) - goto fail; - if (read(fd, pk->pk_base, st.st_size) != st.st_size) - goto fail; - pk->pk_ptr = pk->pk_base; - if (nextbyte(pk) != PK_PRE) { - reason = "file does not begin with PK_PRE"; - goto fail; - } - if (nextbyte(pk) != PK_ID) { - reason = "bad PK_ID"; - goto fail; - } - i = nextbyte(pk); - p = pk->pk_ptr + i; /* skip comment */ - pGetLong(p, f->f_design_size); - pGetLong(p, f->f_checksum); - pGetLong(p, f->f_hppp); - pGetLong(p, f->f_vppp); - pk->pk_ptr = p; - - f->f_details = (char *)pk; - - /* scan the characters, fail if necessary */ - if (scan_characters(f, &reason)) - goto fail; - - /* ignore the postamble */ - - /* COMPRESS pk->pk_base DATA? */ - - if (FontHasGlyphs(f, pk->pk_minc, pk->pk_maxc + 1)) - goto fail; - (void) close(fd); - return (0); - -fail: - if (reason) { - error(0, 0, "%s", reason); - error(0, 0, "(are you sure %s is a PK file?)", f->f_path); - errno = 0; - } - if (pk != NULL) { - if (pk->pk_base != NULL) - free(pk->pk_base); - if (pk->pk_morec != NULL) - free((char *)pk->pk_morec); - free((char *)pk); - } - (void) close(fd); - return (-1); -} - -/* - * Scan through the characters in the PK file, and set the offsets - * and preamble types for each of the character packets. - */ -static int -scan_characters(f, reason) - struct font *f; - char **reason; -{ - register struct pk_details *pk = ftopk(f); - register i32 c, pl; - register char *p; - register struct cp *cp; - int type; - -#ifdef lint - /* reason will be used someday ... I think */ - reason = reason; -#endif - - /* set up the minimisers and the glyph count */ - pk->pk_minc = 1; - pk->pk_maxc = 0; - pk->pk_gleft = 0; - - /* mark all character packets as untouched */ - for (cp = pk->pk_cpack, c = MAXSTD; --c >= 0; cp++) - cp->cp_packet = NULL; - - /* - * Loop through the packets until we reach a POST, skipping - * the glyph instructions themselves after each definition, - * and specials (if any) before each. - */ - for (;; pk->pk_ptr = p + pl) { - skip_specials(f); - p = pk->pk_ptr; - if ((c = pgetbyte(p)) == PK_POST) - break; /* whoops, done after all */ - - /* - * Look at the low three bits to decide preamble size. - * A value of 7 is a `long preamble'; 4, 5, and 6 are - * `extended short preambles'; and 0, 1, 2, and 3 are - * `short preambles'. - * - * We ignore most of the preamble, reading only the - * `packet length' and the character code at this time. - */ - switch (c & 7) { - - case 7: /* long */ - type = CP_LONG; - pGetLong(p, pl); - pGetLong(p, c); - break; - - case 6: - case 5: - case 4: /* extended short */ - type = CP_EXT_SHORT; - pGetWord(p, pl); - pl += (c & 3) << 16; - c = pgetbyte(p); - break; - - default: /* short */ - type = CP_SHORT; - pl = ((c & 3) << 8) + pgetbyte(p); - c = pgetbyte(p); - break; - } - - if (c >= MAXSTD) { - /* - * BEGIN XXX - should alloc pk_morec, but is hard - * and not now useful - */ - error(0, 0, "ignoring character %d in \"%s\"", - f->f_path); - error(0, 0, "because some darn programmer was lazy!"); - continue; - /* END XXX */ - } else - cp = &pk->pk_cpack[c]; - - cp->cp_packet = pk->pk_ptr; - cp->cp_type = type; - - /* adjust range */ - if (c < pk->pk_minc) - pk->pk_minc = c; - if (c > pk->pk_maxc) - pk->pk_maxc = c; - - pk->pk_gleft++; /* and count the glyph */ - } - return (0); /* no problems */ -} - -/* - * Obtain the specified range of glyphs. - */ -static int -pk_getgly(f, l, h) - register struct font *f; - int l, h; -{ - register struct pk_details *pk = ftopk(f); - register char *p; - register struct glyph *g; - register int i; - register struct cp *cp; - - if (pk == NULL) - panic("pk_getgly(%s)", f->f_path); - for (i = l; i < h; i++) { - if (i < MAXSTD) - cp = &pk->pk_cpack[i]; - else { - if (i > pk->pk_maxc) - panic("pk_getgly(%s, %d)", f->f_path, i); - cp = &pk->pk_morec[i - MAXSTD]; - } - p = cp->cp_packet; - if (p == NULL) /* glyph is not valid */ - continue; - g = f->f_gly[i]; - p++; /* skip flag */ - switch (cp->cp_type) { - - case CP_LONG: - p += 8; /* skip packet len, character code */ - pGetLong(p, g->g_rawtfmwidth); - pGetLong(p, g->g_xescapement); - pGetLong(p, g->g_yescapement); - pGetLong(p, g->g_width); - pGetLong(p, g->g_height); - pGetLong(p, g->g_xorigin); - pGetLong(p, g->g_yorigin); - break; - - case CP_EXT_SHORT: { - i32 dm; - - p += 3; /* skip packet len, character code */ - pGet3Byte(p, g->g_rawtfmwidth); - pGetWord(p, dm); - g->g_xescapement = dm << 16; - g->g_yescapement = 0; - pGetWord(p, g->g_width); - pGetWord(p, g->g_height); - pGetWord(p, g->g_xorigin); - g->g_xorigin = Sign16(g->g_xorigin); - pGetWord(p, g->g_yorigin); - g->g_yorigin = Sign16(g->g_yorigin); - break; - } - - case CP_SHORT: - p += 2; /* skip packet len, character code */ - pGet3Byte(p, g->g_rawtfmwidth); - g->g_xescapement = pgetbyte(p) << 16; - g->g_yescapement = 0; - g->g_width = pgetbyte(p); - g->g_height = pgetbyte(p); - g->g_xorigin = pgetbyte(p); - g->g_xorigin = Sign8(g->g_xorigin); - g->g_yorigin = pgetbyte(p); - g->g_yorigin = Sign8(g->g_yorigin); - break; - } - g->g_flags = GF_VALID; - g->g_un.g_details = p; - } - return (0); -} - -/* - * Bit masks for pk_rasterise(). - */ -static char bmask[8] = {0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe}; -static char rbits[9] = {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; - -/* - * Obtain rasters for the specified glyphs. - */ -static int -pk_rasterise(f, l, h) - struct font *f; - int l, h; -{ - struct pk_details *pk0; - struct glyph *g0; - char *p0, *rp0; - int flag, ii; - - if ((pk0 = ftopk(f)) == NULL) - panic("pk_rasterise(%s)", f->f_path); - for (ii = l; ii < h; ii++) { - { - register struct glyph *g; - register char *p; - register int i; - - g = f->f_gly[i = ii]; - if ((g->g_flags & GF_VALID) == 0) - continue; /* no glyph */ - if (!HASRASTER(g)) /* empty raster */ - goto done; - - /* - * Allocate a raster. - */ - rp0 = malloc(((g->g_width + 7) >> 3) * g->g_height); - if ((g->g_raster = rp0) == NULL) - return (-1);/* ??? */ - g->g_rotation = ROT_NORM; - - /* - * Pick up the flag byte, then start at the real - * packet, which we saved in g_details. - */ - if (i < MAXSTD) - p = pk0->pk_cpack[i].cp_packet; - else - p = pk0->pk_morec[i - MAXSTD].cp_packet; - flag = UnSign8(*p); - p0 = g->g_un.g_details; - g0 = g; - } - if ((pk0->pk_dyn_f = flag >> 4) == 14) { - register char *p = p0, *rp = rp0; - register int j, ls, rs, i, w; - - /* - * Expand a bit-packed representation. - * If we get lucky, it is byte packed and - * we can just copy it over. - */ - i = g0->g_height; - j = g0->g_width; - if ((j & 7) == 0) { - bcopy(p, rp, i * (j >> 3)); - goto done; - } - - /* - * No such luck. - */ - w = j; - ls = 0; - while (--i >= 0) { - rs = 8 - ls; - /* know j always != 8 */ - for (j = w; j > 8; j -= 8) { - *rp = *p++ << ls; - *rp++ |= UnSign8(*p) >> rs; - } - - /* - * We need j more bits; there are rs - * bits available at *p. Ask for j, - * which gets min(j, rs). - */ - *rp++ = (*p << ls) & bmask[j]; - /* account for j bits */ - ls += j; ls &= 7; - /* then adjust j based on rs */ - j -= rs; - /* still need j more bits */ - if (j < 0) /* got them all */ - continue; - p++; - if (j == 0) /* there were just enough */ - continue; - /* take j more bits */ - rp[-1] |= UnSign8(*p & bmask[j]) >> rs; - } - } else { - register struct pk_details *pk = pk0; - register int on = flag & 8 ? 0xff : 0; - register char *rowp; /* pointer into this row */ - register int j; /* trimmed run count */ - register int k; /* misc */ - register int b; /* bit index in current col */ - register int i; /* run count */ - register int colsleft; /* columns left this row */ - register int rowsleft; /* rows left */ - static char *row; /* a one-row buffer */ - static int rowsize; /* and its size in bytes */ - int wb; /* row width in bytes */ - - wb = (g0->g_width + 7) >> 3; - if (rowsize < wb) { /* get more row space */ - if (row) - free(row); - /* keep a slop byte */ - row = malloc((unsigned) (wb + 1)); - if (row == NULL) - return (-1); /* ??? */ - rowsize = wb; - } - bzero(row, wb); - rowsleft = g0->g_height; - colsleft = g0->g_width; - pk->pk_repeat = 0; - pk->pk_ptr = p0; - pk->pk_1nyb = 0; /* start on nybble 0 */ - rowp = row; - b = 0; - while (rowsleft > 0) { /* do all rows */ - /* EXPAND IN LINE? */ - i = pk_unpack(pk); - /* - * Work until the run count is exhausted - * (or at least pretty tired). - * - * (Okay, so the joke is stolen!) - */ - while ((j = i) > 0) { - /* - * If the count is more than the - * rest of this row, trim it down. - */ - if (j > colsleft) - j = colsleft; - i -= j; /* call them done */ - /* - * We need k=8-b bits to finish - * up the current byte. If we - * can finish it, do so; the proper - * bits to set are in rbits[k]. - */ - if (j >= (k = 8 - b)) { - j -= k; - colsleft -= k; - *rowp++ |= on & rbits[k]; - b = 0; - } - /* - * Set any full bytes. - */ - while (j >= 8) { - *rowp++ = on; - j -= 8; - colsleft -= 8; - } - /* - * Finally, begin a new byte, or - * add to the current byte, with - * j more bits. We know j <= 8-b. - * (If j==0, we may be writing on - * our slop byte, which is why we - * keep one around....) - */ -if (j > 8-b) panic("pk_rasterise j>8-b"); - *rowp |= (on & bmask[j]) >> b; - colsleft -= j; - b += j; b &= 7; - if (colsleft == 0) { - pk->pk_repeat++; - rowsleft -= pk->pk_repeat; - while (--pk->pk_repeat >= 0) { - bcopy(row, rp0, wb); - rp0 += wb; - } -if (rowsleft == 0 && i) panic("pk_rasterise leftover bits"); - pk->pk_repeat = 0; - rowp = row; - colsleft = g0->g_width; - bzero(row, wb); - b = 0; - } - } - on = 0xff - on; - } - } - -done: - /* - * Successfully converted another glyph. - */ - pk0->pk_gleft--; - } - -if (pk0->pk_gleft < 0) -panic("%s: gleft==%d", f->f_path, pk0->pk_gleft); - if (pk0->pk_gleft == 0) { - free(pk0->pk_base); - if (pk0->pk_morec != NULL) - free((char *) pk0->pk_morec); - free((char *) pk0); - f->f_details = NULL; - } - return (0); -} - -/* - * Discard the font details. - */ -static void -pk_freefont(f) - struct font *f; -{ - register struct pk_details *pk = ftopk(f); - - if (pk != NULL) { - free(pk->pk_base); - if (pk->pk_morec != NULL) - free((char *) pk->pk_morec); - free((char *) pk); - } -} diff --git a/Build/source/texk/seetexk/postamble.h b/Build/source/texk/seetexk/postamble.h deleted file mode 100644 index 6931b46d409..00000000000 --- a/Build/source/texk/seetexk/postamble.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* Definitions for ScanPostAmble */ - -/* - * ScanPostAmble reads the postamble of a DVI file from the (stdio) - * file specified in its first argument. It is handed two pointers to - * functions. The first (ScanPostAmble's second argument) is called - * after the header information has been read, and given a pointer to a - * PostAmbleInfo structure. It is the job of this function to extract the - * required information from this structure (which is deallocated when - * ScanPostAmble returns). - * - * The second function is called once for each font definition occurring in - * the postamble, and is given a pointer to a PostAmbleFont structure. This - * function should do whatever the device needs to read the actual font. - * - * If the DVI file appears malformed, ScanPostAmble will print an error - * message and exit. (Drastic, perhaps, but effective.) - */ - -struct PostAmbleInfo { - i32 pai_PrevPagePointer; /* previous page pointer */ - i32 pai_Numerator; /* numerator from dvi file */ - i32 pai_Denominator; /* denominator from dvi file*/ - i32 pai_DVIMag; /* \magnification */ - i32 pai_TallestPageHeight; /* height of tallest page */ - i32 pai_WidestPageWidth; /* width of widest page */ - int pai_DVIStackSize; /* DVI stack size required */ - int pai_NumberOfPages; /* total number of pages in DVI file */ -}; - -struct PostAmbleFont { - char *paf_name; /* name of font (null terminated) */ - int paf_n1; /* length of first part of name */ - int paf_n2; /* length of second part of name */ - i32 paf_DVIFontIndex; /* font index number */ - i32 paf_DVIChecksum; /* checksum from DVI file */ - i32 paf_DVIMag; /* "at size" */ - i32 paf_DVIDesignSize; /* design size of font */ -}; - -int ScanPostAmble(); diff --git a/Build/source/texk/seetexk/pxlfont.c b/Build/source/texk/seetexk/pxlfont.c deleted file mode 100644 index 3d3e40cbf8a..00000000000 --- a/Build/source/texk/seetexk/pxlfont.c +++ /dev/null @@ -1,306 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/pxlfont.c,v 2.5 89/08/22 21:55:34 chris Exp $"; -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include "types.h" -#include "error.h" -#include "font.h" -#include "fio.h" - -/* - * PXL font operations. - */ -static int pxl_read(), pxl_getgly(), pxl_rasterise(); -static void pxl_freefont(); - -struct fontops pxlops = - { "pxl", 0, 5.0, pxl_read, pxl_getgly, pxl_rasterise, pxl_freefont }; - -/* - * Local info. - */ -#define PXLID 1001 /* ID denoting PXL files */ -#define TAILSIZE (517 * 4) /* size of pxl tail info */ - -/* - * pc describes one PXL character information block. - */ -struct pc { - i16 pc_width; /* character width (pixels) */ - i16 pc_height; /* character height (pixels) */ - i16 pc_xoffset; /* X offset of reference point */ - i16 pc_yoffset; /* Y offset of reference point */ - i32 pc_rastoff; /* raster offset */ - i32 pc_TFMwidth; /* TFM width (FIXes) */ -}; - -/* - * pxl_details are the PXL-specific font details. - * - * We keep track of the number of characters converted to internal - * glyph form, and when all have been done, we discard the now- - * useless details. - */ -struct pxl_details { - int pd_nconv; /* number of characters converted */ - char *pd_ras; /* raster space, until converted */ - struct pc pd_pc[128]; /* `font directory' */ -}; - -/* - * Get the pxl_details from font f. - */ -#define ftopd(f) ((struct pxl_details *) (f)->f_details) - -extern errno; -#ifndef KPATHSEA -char *malloc(); -#endif - -/* - * Read a PXL file. - */ -static int -pxl_read(f, fd) - struct font *f; - int fd; -{ - register struct pxl_details *pd; - register FILE *fp; - register struct pc *pc; - register int i; - int saverr; - i32 pxlid; - struct stat st; - - fp = NULL; - if ((pd = (struct pxl_details *)malloc(sizeof (*pd))) == 0) - goto fail; - pd->pd_ras = 0; - - /* - * There should be 4n bytes, with an absolute minimum of TAILSIZE+4 - * (+4 for the initial PXLID). - */ - (void) fstat(fd, &st); - if ((st.st_size & 3) != 0 || st.st_size < (TAILSIZE + 4)) { - errno = EINVAL; - goto fail; - } - - /* - * Set up the raster pointer (if we need rasters). - */ - if (f->f_flags & FF_RASTERS) { - i = st.st_size - (TAILSIZE + 4); - if (i != 0) { - if ((pd->pd_ras = malloc((unsigned) i)) == 0) - goto fail; - (void) lseek(fd, 4L, 0); - if (read(fd, pd->pd_ras, i) != i) - goto fail; - } - } - - /* - * Read the glyph information. - */ - errno = 0; /* try to make errno meaningful */ - if ((fp = fdopen(fd, "r")) == NULL) { - if (errno == 0) - errno = EMFILE; - goto fail; - } - (void) fseek(fp, (long) -TAILSIZE, 2); - for (i = 128, pc = pd->pd_pc; --i >= 0; pc++) { - fGetWord(fp, pc->pc_width); - fGetWord(fp, pc->pc_height); - fGetWord(fp, pc->pc_xoffset); - fGetWord(fp, pc->pc_yoffset); - fGetLong(fp, pc->pc_rastoff); - fGetLong(fp, pc->pc_TFMwidth); - } - f->f_checksum = GetLong(fp); - (void) GetLong(fp); /* mag */ - f->f_design_size = GetLong(fp); /* designsize */ - f->f_hppp = 0; /* ??? maybe 200? */ - f->f_vppp = 0; - (void) GetLong(fp); /* dirpointer */ - pxlid = GetLong(fp); - if (pxlid != PXLID) - error(0, 0, "Warning: strange PXL id (%d) in \"%s\"", - pxlid, f->f_path); - - f->f_details = (char *)pd; - if (FontHasGlyphs(f, 0, 128)) - goto fail; - (void) fclose(fp); - pd->pd_nconv = 0; - return (0); - -fail: - saverr = errno; - if (pd) { - if (pd->pd_ras) - free(pd->pd_ras); - free((char *)pd); - } - if (fp) - (void) fclose(fp); - else - (void) close(fd); - errno = saverr; - return (-1); -} - -/* - * Obtain the specified range of glyphs. - */ -static int -pxl_getgly(f, l, h) - register struct font *f; - int l; - register int h; -{ - register struct glyph *g; - register struct pc *pc; - register int i; - struct pxl_details *pd; - - if ((pd = ftopd(f)) == NULL) - error(1, 0, "pxl_getgly details==0: cannot happen"); - /* - * By definition, all 128 glyphs are valid. Just copy the - * PXL information. - */ - for (pc = &pd->pd_pc[i = l]; i < h; i++, pc++) { - g = f->f_gly[i]; - g->g_flags = GF_VALID; - g->g_height = pc->pc_height; - g->g_width = pc->pc_width; - g->g_yorigin = pc->pc_yoffset; - g->g_xorigin = pc->pc_xoffset; - g->g_rawtfmwidth = pc->pc_TFMwidth; - } - return (0); -} - -/* - * Helper function for rasterise: return a pointer to a converted - * (malloc()ed and minimised) raster. - */ -static char * -makeraster(h, w, rp) - register int h, w; - register char *rp; -{ - register char *cp; - register int i, o; - char *rv; - - /* - * The height and width values are in bits. Convert width to - * bytes, rounding up. The raw raster (at rp) is almost what - * we want, but not quite: it has `extra' bytes at the end of - * each row, to pad out to a multiple of four bytes. - */ - w = (w + 7) >> 3; - o = (4 - w) & 3; /* offset (number of `extra' bytes) */ - if ((cp = malloc((unsigned) (h * w))) == NULL) - return (NULL); - if (o == 0) { - /* - * The raster fits exactly; just copy it to the allocated - * memory space. (We must copy anyway, so that glyphs - * can be freed, e.g., after rotation.) - */ - bcopy(rp, cp, h * w); - return (cp); - } - rv = cp; - while (--h >= 0) { - /* - * Copy each row, then skip over the extra stuff. - */ - for (i = w; --i >= 0;) - *cp++ = *rp++; - rp += o; - } - return (rv); -} - -/* - * Obtain rasters for the specified glyphs. - */ -static int -pxl_rasterise(f, l, h) - register struct font *f; - int l; - register int h; -{ - register struct glyph *g; - register struct pc *pc; - register int i; - register struct pxl_details *pd; - - if ((pd = ftopd(f)) == NULL) - error(1, 0, "pxl_rasterise details==0: cannot happen"); - if (pd->pd_ras == NULL) - error(1, 0, "pxl_rasterise pd_ras==NULL: cannot happen"); - for (pc = &pd->pd_pc[i = l]; i < h; i++, pc++) { - g = f->f_gly[i]; - if (pc->pc_rastoff == 0) { - /* - * g should not claim a raster, since it has none. - */ - if (HASRASTER(g)) - error(1, 0, "bad PXL glyph %d in \"%s\"", - g->g_index, f->f_path); - } else { - g->g_raster = makeraster(pc->pc_height, pc->pc_width, - pd->pd_ras + ((pc->pc_rastoff - 1) << 2)); - if (g->g_raster == NULL) - return (-1); /* ??? */ - g->g_rotation = ROT_NORM; - } - } - - /* - * If we have converted all the characters, dump the - * pre-conversion rasters. In fact, dump everything. - */ - pd->pd_nconv += h - l; - if (pd->pd_nconv == 128) { - free(pd->pd_ras); - free((char *)pd); - f->f_details = NULL; - } - return (0); -} - -/* - * Discard the font details. - */ -static void -pxl_freefont(f) - struct font *f; -{ - struct pxl_details *pd; - - if ((pd = ftopd(f)) != NULL) { - if (pd->pd_ras != NULL) - free(pd->pd_ras); - free((char *)pd); - } -} diff --git a/Build/source/texk/seetexk/rotate.c b/Build/source/texk/seetexk/rotate.c deleted file mode 100644 index 757a479f291..00000000000 --- a/Build/source/texk/seetexk/rotate.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/rotate.c,v 2.4 89/08/22 21:56:05 chris Exp $"; -#endif - -/* - * Routines to generate rotated bitmaps given unrotated inputs. - * - * The rotated bitmap is indistinguishable from the unrotated one (aside - * from being rotated of course!). - */ - -#include "types.h" -#include "error.h" -#include "font.h" - -static void RotateClockwise(); - -#if !defined( WIN32 ) && !defined( _AMIGA ) -extern int errno; -char *malloc(); -#endif - -/* - * Rounding, but by powers of two only. - */ -#define ROUND(n,r) (((n) + ((r) - 1)) & ~((r) - 1)) - -/* - * Set the rotation of glyph g to r. - */ -void SetRotation(g, r) - register struct glyph *g; - int r; -{ - - if (r < ROT_NORM || r > ROT_RIGHT) - error(1, 0, "bad rotation value %d", r); - - /* - * The null glyph is trivial to rotate by any amount. - * - * Note that this assumes that any raster has been obtained - * BEFORE calling SetRotation()! - */ - if (g->g_raster == NULL) { - g->g_rotation = r; - return; - } - - /* - * This is hardly efficient, but it *is* expedient.... - */ - while (g->g_rotation != r) { - RotateClockwise(g); - g->g_rotation = (g->g_rotation - 1) & 3; - } -} - -/* - * Rotation by 1/4 turn clockwise (from ROT_NORM to ROT_RIGHT, e.g.). - */ -static void -RotateClockwise(glyph) - struct glyph *glyph; -{ - register char *nrast; /* new raster */ - register char *orast; /* old raster */ - register int oheight; /* old raster height, new raster width */ - register int owidth; /* old raster width, new raster height */ - unsigned int size; /* size of new raster (in bytes) */ - int nplus; /* offset between rows in nrast */ - - /* - * First, get a new raster. - */ - { - register struct glyph *g = glyph; - register int t; - - oheight = g->g_height; - owidth = g->g_width; - - /* - * Offset is (new width) rounded to bytes. - */ - nplus = ROUND(oheight, 8) >> 3; - - /* - * Size of new raster is (new height) * (new rounded width, - * in bytes). - */ - size = nplus * owidth; - if ((nrast = malloc(size)) == NULL) - error(1, errno, "out of memory"); - bzero(nrast, size); - - /* - * New y origin is old x origin; new x origin is old height - * minus old y origin - 1. - */ - t = g->g_yorigin; - g->g_yorigin = g->g_xorigin; - g->g_xorigin = oheight - t - 1; - - /* While we are at it, exchange height & width... */ - g->g_height = owidth; - g->g_width = oheight; - - /* and grab a pointer to the old raster. */ - orast = g->g_raster; - } - - /* - * Now copy bits from the old raster to the new one. The mapping - * function is - * - * for i in [0..height) - * for j in [0..width) - * new[j, height-i-1] = old[i, j] - * - * Thus i maps to height-i-1 and (since we have to do our own 2 - * dimensional array indexing) j to nplus*j. We call the mapped - * variables mapi and mapj, and, since we scan sequentially through - * the old raster, can discard the original i and j. - */ - { - register int mapj, c, k, mapi; - - mapi = oheight; - owidth *= nplus; - while (--mapi >= 0) { - k = 7; - for (mapj = 0; mapj < owidth; mapj += nplus) { - if (++k == 8) /* get another byte */ - c = *orast++, k = 0; - if (c & 0x80) /* old[i,j] was set */ - nrast[mapj + (mapi >> 3)] |= - 1 << (7 - (mapi & 7)); - c <<= 1; - } - } - } - - /* - * Finally, free the storage associated with the original raster. - */ - free(glyph->g_raster); - glyph->g_raster = nrast; -} diff --git a/Build/source/texk/seetexk/rstfont.c b/Build/source/texk/seetexk/rstfont.c deleted file mode 100644 index 589e9417507..00000000000 --- a/Build/source/texk/seetexk/rstfont.c +++ /dev/null @@ -1,301 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - * - * The code in this file was partially derived from another version by - * Tim Morgan at UCI. - * - * TODO: - * test - */ - -#ifndef lint -static char rcsid[] = "$Header$"; -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include "types.h" -#include "error.h" -#include "font.h" -#include "fio.h" - -/* - * RST (Imagen's font format) font operations. - */ -static int rst_read(), rst_getgly(), rst_rasterise(); -static void rst_freefont(); - -#ifdef UCI -#define D 1.0 /* I think */ -#else -#define D 150.0 -#endif - -struct fontops rstops = - { "rst", 0, D, rst_read, rst_getgly, rst_rasterise, rst_freefont }; - -#undef D - -/* - * Local info. - */ -#define FILEMARK_SIZE 8 /* header `file mark' bytes to skip */ - -/* - * rc describes one RST character information block. - */ -struct rc { - i16 rc_height; /* character height (pixels) */ - i16 rc_width; /* character width (pixels) */ - i16 rc_yoffset; /* Y offset of reference point */ - i16 rc_xoffset; /* X offset of reference point */ - i32 rc_rastoff; /* raster offset */ - i32 rc_TFMwidth; /* TFM width */ -}; - -/* - * rst_details are the RST-specific font details. - * - * We keep track of the number of characters converted to internal - * glyph form, and when all have been done, we discard the now- - * useless details. - */ -struct rst_details { - int rd_unconv; /* number of characters unconverted */ - struct rc *rd_rc; /* `font directory' */ - char *rd_ras; /* raster space, until converted */ - long rd_rastbase; /* adjust rc_rastoff by rastbase */ -}; - -/* - * Get the rst_details from font f. - */ -#define ftord(f) ((struct rst_details *)(f)->f_details) - -#if !defined( WIN32 ) && !defined( _AMIGA ) -extern errno; -char *malloc(); -long ftell(); -#endif - -/* - * Read an RST file. - */ -static int -rst_read(f, fd) - struct font *f; - int fd; -{ - register struct rst_details *rd; - register FILE *fp; - register struct rc *rc; - register int i; - int saverr; - long presize, diroff; - i32 firstgly, lastgly; - - fp = NULL; - if ((rd = (struct rst_details *)malloc(sizeof *rd)) == 0) - goto fail; - rd->rd_ras = 0; - rd->rd_rc = 0; - - /* - * Read the header. - */ - errno = 0; /* try to make errno meaningful */ - if ((fp = fdopen(fd, "r")) == NULL) { - if (errno == 0) - errno = EMFILE; - goto fail; - } - (void) fseek(fp, (long)FILEMARK_SIZE, 0); - fGetWord(fp, presize); /* bytes in preamble (from FILEMARK_SIZE+2) */ - presize += 2 + FILEMARK_SIZE; - i = getc(fp); /* version */ - if (i != 0) { - error(0, 0, "Warning: strange RST version (%d) in \"%s\"", i, - f->f_path); - errno = EINVAL; - goto fail; - } - fGet3Byte(fp, diroff); /* offset to glyph directory */ - fGetWord(fp, firstgly); /* first glyph */ - fGetWord(fp, lastgly); /* last glyph (inclusive) */ - lastgly++; /* make it exclusive */ - - (void) GetLong(fp); /* mag */ - fGetLong(fp, f->f_design_size); - /* interline, interword, rotation, charadv, lineadv */ - (void) fseek(fp, (long)(4 + 4 + 2 + 1 + 1), 1); - fGetLong(fp, f->f_checksum); - f->f_hppp = 0; /* ??? */ - f->f_vppp = 0; - - /* - * Read the glyph directory. - */ - i = lastgly - firstgly; - rd->rd_rc = (struct rc *)malloc((unsigned) (i * sizeof(*rc))); - if (rd->rd_rc == 0) - goto fail; - (void) fseek(fp, presize, 0); - for (rc = rd->rd_rc; --i >= 0; rc++) { - fGetWord(fp, rc->rc_height); - fGetWord(fp, rc->rc_width); - fGetWord(fp, rc->rc_yoffset); - fGetWord(fp, rc->rc_xoffset); - fGetLong(fp, rc->rc_TFMwidth); - fGet3Byte(fp, rc->rc_rastoff); - } - - /* - * Set up the raster pointer (if we need rasters). - */ - if (f->f_flags & FF_RASTERS) { - struct stat st; - - rd->rd_rastbase = ftell(fp); - /* back to unbuffered I/O */ - (void) fstat(fd, &st); - i = st.st_size - presize - 15 * (lastgly - firstgly); - if (i < 0) - error(1, 0, "calculated raster size < 0 for \"%s\"", - f->f_path); - if (i != 0) { - if ((rd->rd_ras = malloc((unsigned) i)) == 0) - goto fail; - (void) lseek(fd, rd->rd_rastbase, 0); - if (read(fd, rd->rd_ras, i) != i) - goto fail; - } - } - - f->f_details = (char *) rd; - if (FontHasGlyphs(f, firstgly, lastgly)) - goto fail; - - (void) fclose(fp); - rd->rd_unconv = lastgly - firstgly; - return (0); - -fail: - saverr = errno; - if (rd) { - if (rd->rd_rc) - free((char *)rd->rd_rc); - if (rd->rd_ras) - free(rd->rd_ras); - free((char *) rd); - } - if (fp) - (void) fclose(fp); - else - (void) close(fd); - errno = saverr; - return (-1); -} - -/* - * Obtain the specified range of glyphs. - */ -static int -rst_getgly(f, l, h) - register struct font *f; - int l; - register int h; -{ - register struct glyph *g; - register struct rc *rc; - register int i; - struct rst_details *rd; - - if ((rd = ftord(f)) == NULL) - panic("rst_getgly"); - - /* - * By definition, all glyphs are valid. Just copy the - * RST information. - */ - for (rc = &rd->rd_rc[(i = l) - f->f_lowch]; i < h; i++, rc++) { - g = f->f_gly[i]; - g->g_flags = GF_VALID; - g->g_height = rc->rc_height; - g->g_width = rc->rc_width; - g->g_yorigin = rc->rc_yoffset; - g->g_xorigin = rc->rc_xoffset; - g->g_rawtfmwidth = rc->rc_TFMwidth; - } - return (0); -} - -/* - * Obtain rasters for the specified glyphs. - */ -static int -rst_rasterise(f, l, h) - register struct font *f; - int l; - register int h; -{ - register struct glyph *g; - register struct rc *rc; - register struct rst_details *rd; - register int i; - unsigned sz; - - if ((rd = ftord(f)) == NULL) - panic("rst_rasterise details==0"); - if (rd->rd_ras == NULL) - panic("rst_rasterise rd_ras==NULL"); - for (rc = &rd->rd_rc[(i = l) - f->f_lowch]; i < h; i++, rc++) { - g = f->f_gly[i]; - if (!HASRASTER(g)) - continue; - if (rc->rc_rastoff == 0) { - error(1, 0, "bad RST glyph %d in \"%s\"", - g->g_index, f->f_path); - } else { - sz = ((g->g_width + 7) >> 3) * g->g_height; - if ((g->g_raster = malloc(sz)) == NULL) - return (-1); /* ??? */ - g->g_rotation = ROT_NORM; - bcopy(rd->rd_ras + rc->rc_rastoff - rd->rd_rastbase, - g->g_raster, sz); - } - } - - /* - * If we have converted all the characters, dump the - * pre-conversion rasters. In fact, dump everything. - */ - rd->rd_unconv -= h - l; - if (rd->rd_unconv == 0) { - free((char *)rd->rd_rc); - free(rd->rd_ras); - free((char *)rd); - f->f_details = NULL; - } - return (0); -} - -/* - * Discard the font details. - */ -static void -rst_freefont(f) - struct font *f; -{ - struct rst_details *rd; - - if ((rd = ftord(f)) != NULL) { - free((char *)rd->rd_rc); - free(rd->rd_ras); - free((char *)rd); - } -} diff --git a/Build/source/texk/seetexk/scaletfm.c b/Build/source/texk/seetexk/scaletfm.c deleted file mode 100644 index f6444d5d369..00000000000 --- a/Build/source/texk/seetexk/scaletfm.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/scaletfm.c,v 3.2 89/11/23 16:34:43 chris Exp $"; -#endif - -#include "types.h" -#include "error.h" -#include "font.h" - -/* - * From DVITYPE.WEB: - * - * ``The most important part of in_TFM is the width computation, which - * involvles multiplying the relative widths in the TFM file by the scaling - * factor in the DVI file. This fixed-point multiplication must be done with - * precisely the same accuracy by all DVI-reading programs, in order to - * validate the assumptions made by DVI-writing programs like \TeX 82. - * - * Let us therefore summarize what needs to be done. Each width in a TFM - * file appears as a four-byte quantity called a fix_word. A fix_word whose - * respective bytes are (a,b,c,d) represents the number - * - * {{ b * 2^{-4} + c * 2^{-12} + d * 2^{-20}, if a = 0; - * x = {{ - * {{ -16 + b * 2^{-4} + c * 2^{-12} + d * 2^{-20}, if a = 255. - * - * (No other choices of a are allowed, since the magnitude of a TFM dimension - * must be less than 16.) We want to multiply this quantity by the integer - * z, which is known to be less than 2^{27}. Let \alpha = 16z. If z < - * 2^{23}, the individual multiplications b * z, c * z, d * z cannot - * overflow; otherwise we will divide z by 2, 4, 8, or 16, to obtain a - * multiplier less than 2^{23}, and we can compensate for this later. If z - * has thereby been replaced by z' = z/2^e, let \beta = 2^{4-e}; we shall - * compute - * - * \lfloor (b + c * 2^{-8} + d * 2^{-16})z' / \beta \rfloor - * - * if a = 0, or the same quantity minus \alpha if a = 255. This calculation - * must be done exactly, for the reasons stated above; the following program - * does the job in a system-independent way, assuming that arithmetic is - * exact on numbers less than 2^{31} in magnitude.'' - */ -#define ZLIM ((i32)1 << 23) /* z must be < zlim */ - -/* - * Scale the single TFM width t by z. - */ -i32 -ScaleOneWidth(t, z) - register i32 t, z; -{ - register i32 alpha, log2beta; - register int a0; - - /* First compute \alpha, \beta, and z': */ - alpha = 16 * z; - log2beta = 4; - while (z >= ZLIM) { - z >>= 1; - log2beta--; - } - - /* The four values 'a', 'b', 'c', and 'd' are fields within t: */ -#define a (UnSign8(t >> 24)) -#define b (UnSign8(t >> 16)) -#define c (UnSign8(t >> 8)) -#define d (UnSign8(t)) - if (t) { - a0 = a; - t = (((((d * z) >> 8) + c * z) >> 8) + b * z) >> log2beta; - if (a0) { - if (a0 != 255) - error(0, 0, "bad TFM width! [ScaleOneWidth]"); - t -= alpha; - } - } - return (t); -} - -/* - * Scale a set of glyphs [l..h) in font f according to f->f_dvimag - * (that is, set g_tfmwidth from g_rawtfmwidth). - */ -ScaleGlyphs(f, l, h) - register struct font *f; - int l, h; -{ - register int i, a0; - register i32 t, z, alpha, log2beta; - - z = f->f_dvimag; - alpha = 16 * z; - log2beta = 4; - while (z >= ZLIM) { - z >>= 1; - log2beta--; - } - - for (i = l; i < h; i++) { - if ((t = f->f_gly[i]->g_rawtfmwidth) != 0) { - a0 = a; - t = (((((d * z) >> 8) + c * z) >> 8) + b * z) >> - log2beta; - if (a0) { - if (a0 != 255) - error(0, 0, - "\"%s\", glyph %d: bad TFM width", - f->f_path, i); - t -= alpha; - } - } - f->f_gly[i]->g_tfmwidth = t; - } -} diff --git a/Build/source/texk/seetexk/scanpost.c b/Build/source/texk/seetexk/scanpost.c deleted file mode 100644 index f71b33c9b5c..00000000000 --- a/Build/source/texk/seetexk/scanpost.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/local/src/SeeTeX/libtex/RCS/scanpost.c,v 1.2 90/07/10 14:33:23 grunwald Exp Locker: grunwald $"; -#endif - -/* - * ScanPostAmble - read a DVI postamble. - */ - -#include <stdio.h> -#include "types.h" -#include "dvicodes.h" -#include "fio.h" -#include "gripes.h" -#include "postamble.h" - -ScanPostAmble(f, headerfunc, fontfunc) - register FILE *f; - void (*headerfunc)(); - register void (*fontfunc)(); -{ - register int n; - register char *s; - char name[512]; - - if (FindPostAmble(f)) { - GripeCannotFindPostamble(); - return(1); - } - if (GetByte(f) != Sign8(DVI_POST)) { - GripeMissingOp("POST"); - return(1); - } - - /* Read the postamble info stuff. */ - { - struct PostAmbleInfo pai; - register struct PostAmbleInfo *p = &pai; - - p->pai_PrevPagePointer = GetLong(f); - p->pai_Numerator = GetLong(f); - p->pai_Denominator = GetLong(f); - p->pai_DVIMag = GetLong(f); - p->pai_TallestPageHeight = GetLong(f); - p->pai_WidestPageWidth = GetLong(f); - p->pai_DVIStackSize = GetWord(f); - p->pai_NumberOfPages = GetWord(f); - - (*headerfunc)(p); - } - - /* Now read all the font definitions. */ - { - struct PostAmbleFont paf; - register struct PostAmbleFont *p = &paf; - int c; - - for (;;) { - if ((c = getc(f)) == EOF) - GripeUnexpectedDVIEOF(); - switch (c) { - - case DVI_NOP: - break; - - case DVI_FNTDEF1: - p->paf_DVIFontIndex = UnSign8(getc(f)); - break; - - case DVI_FNTDEF2: - p->paf_DVIFontIndex = UnSign16(GetWord(f)); - break; - - case DVI_FNTDEF3: - p->paf_DVIFontIndex = UnSign24(Get3Byte(f)); - break; - - case DVI_FNTDEF4: - p->paf_DVIFontIndex = GetLong(f); - break; - - case DVI_POSTPOST: - return(0); - - default: - GripeMissingOp("POSTPOST"); - return(1); - /*NOTREACHED*/ - } - p->paf_DVIChecksum = GetLong(f); - p->paf_DVIMag = GetLong(f); - p->paf_DVIDesignSize = GetLong(f); - p->paf_n1 = UnSign8(getc(f)); - p->paf_n2 = UnSign8(getc(f)); - p->paf_name = name; /* never trust people not to - clobber it */ - n = p->paf_n1 + p->paf_n2; - s = name; - while (--n >= 0) - *s++ = GetByte(f); - *s = 0; - (*fontfunc)(p); - } - } -} diff --git a/Build/source/texk/seetexk/sdecode.c b/Build/source/texk/seetexk/sdecode.c deleted file mode 100644 index 02fe746da08..00000000000 --- a/Build/source/texk/seetexk/sdecode.c +++ /dev/null @@ -1,689 +0,0 @@ -/* - * Copyright (c) 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/sdecode.c,v 3.4 89/11/06 15:01:07 chris Exp $"; -#endif - -#include <stdio.h> -#ifdef __STDC__ -#include <stdarg.h> -#else -#include <varargs.h> -#endif -#include "types.h" -#include "error.h" -#include "sdecode.h" - -static char cclass[256]; /* XXX assumes 8-bit char */ -#define CCL_SPACE 0x01 /* white space */ -#define CCL_SEMI 0x02 /* `semicolon' (statement separator) */ -#define isstopc(c) (cclass[c] != 0) /* both space and semi char */ -static int sdset; /* flag says whether cclass[] set up */ - -static void args(), badarg(); -static int scan(struct decode_info *di, char **fmt, ...), scan_i(), scan_d(); - -extern char *strsave(); - -extern char *DVIFileName; - -#ifndef BLOCK_COPY -/* - * Copy the text at `src' `downward' in memory for `len' bytes. - * This is like strcpy or memcpy, but handles one direction of - * overlap (when dst < src). - */ -static void -movedown(src, dst, len) - register char *src, *dst; - register int len; -{ - - while (--len >= 0) - *dst++ = *src++; -} -#endif - -/* - * We have a number of states to do word interpretation. Outside words, - * we skip blanks and `semicolons'. The first non-blank, non-`semi' enters - * WORD state; in WORD state, double quote characters switch to - * QUOTE state, after which another double quote switches back to - * WORD state, and blanks and `semi' end WORD state, switching to DONE. - * While in WORD or QUOTE states, `c produces c for all characters c; - * to do this, we use two more states. - */ -#define S_DULL 0 /* not in a word */ -#define S_WORD 1 /* in a word */ -#define S_QUOTE 2 /* inside "" in a word */ -#define S_BKQT1 3 /* not in "", but just read one ` */ -#define S_BKQT2 4 /* in "", but just read one ` */ -#define S_DONE 5 /* found end of word */ - -/* - * Structure used to communicate between the various functions. - */ -struct decode_info { - /* data used to read from input file */ - int di_nch; /* number of characters remaining in buffer */ - char *di_cp; /* next character to be read from buffer */ - long di_nfilech; /* number of characters remaining in file */ - FILE *di_file; /* the file itself */ - - /* information used and/or returned by the canon routine */ - int di_lexstate; /* lexical state */ - int di_call; /* set when we reach terminating `semicolon' */ - - /* information used more globally */ - char *di_word; /* last word from word() */ - char *di_kw; /* the keyword */ - int di_bkw; /* true iff keyword is in static buffer */ -}; - -/* - * `Edit' the text in the buffer in-place. - * Return the count of characters resulting from the edit (e.g., - * from `foo`"bar' the count would be 7). - * Set di_call if we reach state S_DONE by encountering a `semicolon'. - * The edited text begins wherever di_cp points. - * We begin the edit in the state given by di_lexstate. - */ -static int -canon(di) - register struct decode_info *di; -{ - register int state, c, n; - register char *cp, *outp, *s; - - state = di->di_lexstate; - n = di->di_nch; - cp = outp = di->di_cp; - while (--n >= 0) { - c = *cp++; - switch (state) { - - case S_DULL: - if (isstopc(c)) - continue; - state = S_WORD; - /* FALLTHROUGH */ - - case S_WORD: - if (c == '"') { - state = S_QUOTE; - continue; - } - if (c == '`') { - state = S_BKQT1; - continue; - } - /* look for `semicolon' (call) characters */ - if (cclass[c] & CCL_SEMI) - di->di_call = 1; - if (isstopc(c)) { - state = S_DONE; - goto done; - } - break; - - case S_QUOTE: - if (c == '`') { - state = S_BKQT2; - continue; - } - if (c == '"') { - state = S_WORD; - continue; - } - break; - - case S_BKQT1: - state = S_WORD; - break; - - case S_BKQT2: - state = S_QUOTE; - break; - - default: - panic("sdecode canon"); - /* NOTREACHED */ - } - *outp++ = c; - } - n = 0; -done: - c = outp - di->di_cp; /* wrote this many chars */ - di->di_lexstate = state;/* save new state */ - di->di_nch = n; /* and new counts and pointers */ - di->di_cp = cp; - return (c); -} - -#define WDMAX BUFSIZ /* when testing, make this small */ - -/* - * Read a word from the input file. - * Returns NULL (and sets di_call) at end of \special. - * - * We gather up to WDMAX + k characters at a time into an input - * buffer, and lex them using `canon' above. The result is at most - * as long as the original text. Since a single legal word might - * be up to WDMAX bytes long, k must be at least 1 (for the trailing - * NUL). If the input word is longer, we flush the trailing part, - * using the k `extra' bytes (and again k must be at least 1). - * - * If there is a current keyword and it is in the current buffer - * (di_bkw != 0), and we have to move existing buffer text around - * or write over it with new file text, we save the keyword and - * clear di_bkw. - */ -static char * -word(di, quietly) - register struct decode_info *di; - int quietly; -{ - register int n; - register char *p; - register int len, trunc = 0; - static char inbuf[WDMAX + 20]; /* k=20 */ - - len = 0; /* no word bytes yet */ - p = di->di_cp; /* where canon() writes (nil if first time) */ - di->di_lexstate = S_DULL; - /* - * Loop invariants: - * len is in [0..WDMAX) - * di_lexstate != S_DONE - */ - do { - /* if the buffer is empty, refill it */ - if (di->di_nch == 0) { - /* compute remaining buffer space */ - n = sizeof inbuf - len; - /* read n bytes or rest of string, whichever smaller */ - if (di->di_nfilech < n && (n = di->di_nfilech) == 0) { - /* `eof': fake up a call-terminator */ - di->di_call = 1; - if (di->di_lexstate == S_DULL) - return (di->di_word = NULL); - break; /* take partial word */ - } - /* save keyword if this will clobber it */ - if (di->di_bkw) { - di->di_kw = strsave(di->di_kw); - di->di_bkw = 0; - } - /* if there is some canon text, move it to front */ - if (len && p > inbuf) { -#ifdef BLOCK_COPY - bcopy(p, inbuf, len); -#else - movedown(p, inbuf, len); -#endif - } - /* canon text is (or will be) at front now */ - p = inbuf; - di->di_cp = p + len; - if (fread(di->di_cp, 1, n, di->di_file) != n) { - if (ferror(di->di_file)) - error(1, -1, "error reading %s", - DVIFileName); - GripeUnexpectedDVIEOF(); - } - di->di_nfilech -= n; - di->di_nch = n; - } - n = canon(di); - if ((len += n) > WDMAX) { - len = WDMAX; - trunc = 1; - } - } while (di->di_lexstate != S_DONE); - p[len] = 0; - - /* - * If the word was too long (and hence truncated), complain - * (unless we are quietly skipping over the remains of a - * broken \special). - */ - if (trunc && !quietly) { - /* word was too long; complain */ - error(0, 0, -#if WDMAX > 20 - "over-long word in \\special: `%.20s...'", -#else - "over-long word in \\special: `%s...'", -#endif - p); - error(0, 0, "(truncated to %d characters)", WDMAX); - } - return (di->di_word = p); -} - -/* - * Initialise the character class table. - */ -void -SDsetclass(spaces, semis) - register char *spaces; - register char *semis; -{ - register int c; - - if (spaces == NULL) - spaces = "\b\t\n\f\r "; - if (semis == NULL) - semis = ";\n"; - - for (c = 0; c < sizeof cclass / sizeof *cclass; c++) - cclass[c] = 0; - while ((c = *spaces++) != 0) - cclass[c] |= CCL_SPACE; - while ((c = *semis++) != 0) - cclass[c] |= CCL_SEMI; - sdset = 1; -} - -/* - * Perform a binary search for the given string in the given table. - */ -static struct sdecode * -lookup(str, p, max) - register char *str; - register struct sdecode *p; - register int max; -{ - register struct sdecode *m; - register int dir; - - while (max > 0) { - /* - * Look at the median; pick the right hand one if - * there are two such entries (when `max' is even). - * Set dir positive if str is `greater than' m->sd_name, - * negative if it is `less'. If not equal, move - * left or right accordingly. When max is even and - * we move right, we have to use (max-1)/2 since we - * broke the tie towards the right. - */ - m = p + (max >> 1); - if ((dir = *str - *m->sd_name) == 0) - dir = strcmp(str, m->sd_name); - if (dir == 0) /* found */ - return (m); - if (dir > 0) { /* str > mid: move right */ - p = m + 1; - max = (max - 1) >> 1; - } else /* str < mid: move left */ - max >>= 1; - } - return (NULL); -} - -/* - * Decode a series of \special keywords. - * - * The table points to a sorted list of keywords to match. - * On a match, the appropriate function is called with appropriate - * arguments. - * - * Characters in `semi' (if not NULL) act like `statement separators'. - * For instance, decoding with semi=>";\n" means that - * - * \special{foo 1; bar 2 4^^Jbaz 3} - * - * tries to call foo(1), bar(2,4), and baz(3) (in that order). - */ -void -SDecode(fp, len, table, tsize) - FILE *fp; - register i32 len; - struct sdecode *table; - int tsize; -{ - register char *cp; - register struct sdecode *tp; - register int h; - struct decode_info di; - - /* set defaults, if necessary */ - if (!sdset) - SDsetclass((char *)NULL, (char *)NULL); - - di.di_nch = 0; - di.di_cp = NULL; - di.di_nfilech = len; - di.di_file = fp; - di.di_bkw = 0; - for (;;) { - di.di_call = 0; - if ((cp = word(&di, 0)) == NULL) - return; /* (all done) */ - tp = lookup(cp, table, tsize); - if (tp == NULL) { - error(0, 0, - "Warning: unrecognised \\special keyword `%s' ignored", cp); - /* di_call is not set, so fall through */ - } else { - di.di_kw = cp; - di.di_bkw = 1; - args(tp, &di); - if (!di.di_call) - error(0, 0, - "Warning: extra arguments to \\special `%s' ignored", di.di_kw); - if (!di.di_bkw) - free(di.di_kw); - di.di_bkw = 0; - } - /* eat extra arguments, or arguments to an unknown function */ - while (!di.di_call) - (void) word(&di, 1); - } -} - -/* - * Gather up the arguments to the given function, then (if all goes well) - * call that function with those arguments. On return, if di_call is not - * set, there were extra arguments left over. - */ -static void -args(tp, di) - register struct sdecode *tp; - register struct decode_info *di; -{ - char *fmt; - int n, room, f1; - i32 *ip, i[4]; - double d[2]; - - switch (tp->sd_args) { - - case sda_none: - (*tp->sd_fn)(tp->sd_name); - return; - - case sda_s: - fmt = "s"; - if (scan(di, &fmt)) - break; - (*tp->sd_fn)(tp->sd_name, di->di_word); - return; - - case sda_d: - fmt = "d"; - if (scan(di, &fmt, &i[0])) - break; - (*tp->sd_fn)(tp->sd_name, i[0]); - return; - - case sda_f: - fmt = "f"; - if (scan(di, &fmt, &d[0])) - break; - (*tp->sd_fn)(tp->sd_name, d[0]); - return; - - case sda_dd: - fmt = "dd"; - if (scan(di, &fmt, &i[0], &i[1])) - break; - (*tp->sd_fn)(tp->sd_name, i[0], i[1]); - return; - - case sda_ff: - fmt = "ff"; - if (scan(di, &fmt, &d[0], &d[1])) - break; - (*tp->sd_fn)(tp->sd_name, d[0], d[1]); - return; - - case sda_ddddff: - fmt = "ddddff"; - if (scan(di, &fmt, &i[0], &i[1], &i[2], &i[3], &d[0], &d[1])) - break; - (*tp->sd_fn)(tp->sd_name, i[0], i[1], i[2], i[3], d[0], d[1]); - return; - - case sda_nd: - f1 = 'd'; - goto array; - - case sda_nx: - f1 = 'x'; - goto array; - - case sda_rest: - (*tp->sd_fn)(tp->sd_name, - (i32)di->di_nch, di->di_cp, (i32)di->di_nfilech); - di->di_call = 1; - di->di_nch = 0; - di->di_nfilech = 0; - return; - - default: - panic("sdecode args(): sd_argtype"); - /* NOTREACHED */ - } - - /* - * If we get here, there is a missing or incorrect argument. - */ - badarg(*fmt, di); - return; - -array: - ip = (i32 *)malloc((unsigned)(room = 10) * sizeof(i32)); - if (ip == NULL) - goto nomem; - n = 0; - while (!di->di_call && word(di, 0) != NULL) { - if (scan_i(di->di_word, f1, &i[0])) { - badarg(f1, di); - free((char *)ip); - return; - } - if (n == room) { - room += 10; - ip = (i32 *)realloc((char *)ip, - (unsigned)room * sizeof(i32)); - if (ip == NULL) - goto nomem; - } - ip[n++] = i[0]; - } - (*tp->sd_fn)(tp->sd_name, n, ip); - free((char *)ip); - return; -nomem: - /* - * might as well stop: if malloc() failed, we will probably get - * nowhere fast anyway. - */ - error(1, -1, - "ran out of memory allocating %d bytes for \\special `%s'", - n * sizeof(i32), di->di_kw); - /* NOTREACHED */ - -} - -/* - * Complain about an argument. Scan() has set di_word to NULL if - * it was missing; otherwise it is incorrect. - */ -static void -badarg(c, di) - int c; - struct decode_info *di; -{ - char *s; - - switch (c) { - - case 'd': - s = "decimal"; - break; - - case 'f': - s = "floating"; - break; - - case 's': - s = "string"; /* must be `missing', not `bad' */ - break; - - case 'x': - s = "hexadecimal"; - break; - - default: - panic("sdecode badarg(%c)", c); - /* NOTREACHED */ - } - if (di->di_word == NULL) - error(0, 0, "missing %s argument for \\special `%s'", - s, di->di_kw); - else { - error(0, 0, "bad %s argument to \\special `%s': `%s'", - s, di->di_kw, di->di_word); - error(0, 0, "(this part of the \\special will be ignored)"); - while (!di->di_call) - (void) word(di, 1); - } -} - -#ifdef WIN32 -static int -scan(struct decode_info *di, char **fmtp, va_list ap) -{ - register int c; - char *fmt = *fmtp; - - va_start(ap, fmt); - while ((c = *fmt++) != 0) { - if (di->di_call || word(di, 0) == NULL) { - di->di_word = NULL; - goto out; - } - switch (c) { - - /* BEWARE, can only handle one string */ - case 's': /* always accepted */ - break; - - case 'd': - case 'x': - if (scan_i(di->di_word, c, va_arg(ap, i32 *))) - goto out; - break; - - case 'f': - if (scan_d(di->di_word, va_arg(ap, double *))) - goto out; - break; - - default: - panic("sdecode scan() *fmt=%c", c); - /* NOTREACHED */ - } - } - c = 0; -out: - va_end(ap); - return (c); -} - -#else -static int -scan(va_alist) - va_dcl -{ - register struct decode_info *di; - register char *fmt; - register int c; - char **fmtp; - va_list ap; - - va_start(ap); - di = va_arg(ap, struct decode_info *); - fmtp = va_arg(ap, char **); - fmt = *fmtp; - while ((c = *fmt++) != 0) { - if (di->di_call || word(di, 0) == NULL) { - di->di_word = NULL; - goto out; - } - switch (c) { - - /* BEWARE, can only handle one string */ - case 's': /* always accepted */ - break; - - case 'd': - case 'x': - if (scan_i(di->di_word, c, va_arg(ap, i32 *))) - goto out; - break; - - case 'f': - if (scan_d(di->di_word, va_arg(ap, double *))) - goto out; - break; - - default: - panic("sdecode scan() *fmt=%c", c); - /* NOTREACHED */ - } - } - c = 0; -out: - va_end(ap); - *fmtp = fmt - 1; - return (c); -} -#endif -static int -scan_i(p, c, result) - char *p; - int c; - i32 *result; -{ -#ifdef HAVE_STRTOL - char *end; - long strtol(); - - *result = strtol(p, &end, c == 'x' ? 16 : 10); - return (*end); -#else - long l; - char junk; - - if (sscanf(p, c == 'x' ? "%lx%c" : "%ld%c", &l, &junk) != 1) - return (1); - *result = l; - return (0); -#endif -} - -static int -scan_d(p, result) - char *p; - double *result; -{ -#ifdef HAVE_STRTOD - char *end; - double strtod(); - - *result = strtod(p, &end); - return (*end); -#else - char junk; - - return (sscanf(p, "%lf%c", result, &junk) != 1); -#endif -} diff --git a/Build/source/texk/seetexk/sdecode.h b/Build/source/texk/seetexk/sdecode.h deleted file mode 100644 index b0ef12ef8e9..00000000000 --- a/Build/source/texk/seetexk/sdecode.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (c) 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * Specials consist of keyword/value groupings, with the simple syntax - * suggested by the BNF - * - * list ::= kv | list ',' kv - * kv ::= word opt_eq words - * opt_eq ::= '=' | <empty> - * words ::= word | words ' ' word - * - * `Words' include any character that is not a space, comma, or quote, - * and can include these by using quoting. Inside and outside quotes, - * `\"' produces `"'; `\\' produces `\'; and `\,' produces `,'. - * - * No single word can exceed WDMAX characters (after quotes are interpreted). - * WDMAX is defined in sdecode.c, and is typically large (>= 1024). - * - * Each special is typed according to its arguments, which are collected - * and decoded, and passed to the special function as ordinary parameters. - * All possible argument-types must be known to the special decoder. - * The function also receives its own name (from the table) as its - * first argument. - */ - -/* value argument types */ -enum sd_args { - sda_none, /* no arguments, just a flag */ - sda_s, /* one string argument (`foo abc') */ - sda_d, /* one decimal (i32) argument (`foo 2') */ - sda_f, /* one floating (double) argument (`foo 3.14') */ - sda_dd, /* two decimal arguments (`foo 3 4') */ - sda_ff, /* two floating arguments (`foo .3 .4') */ - sda_ddddff, /* four decimal args, then 2 floating args */ - sda_nd, /* array n of decimal arguments */ - sda_nx, /* array n of hex arguments (`x 1a00 d02f ...') */ - sda_rest /* fn(len1, ptr, len2); uses up rest of input */ -}; - -struct sdecode { - char *sd_name; /* keyword to match */ - enum sd_args sd_args; /* arguments to collect */ - void (*sd_fn)(); /* actual arguments depend on sd_args */ -}; - -void SDecode(/* FILE *, i32, struct sdecode *, size_t */); -void SDsetclass(/* char *spaces, char *semis */); - -#define SDsize(tab) ((int)(sizeof(tab) / sizeof(*tab))) diff --git a/Build/source/texk/seetexk/skip.c b/Build/source/texk/seetexk/skip.c deleted file mode 100644 index 54366b331ab..00000000000 --- a/Build/source/texk/seetexk/skip.c +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/skip.c,v 3.1 89/08/22 21:45:13 chris Exp $"; -#endif - -#include <stdio.h> -#include "types.h" -#include "fio.h" - -/* - * Skip a font definition. The font number has already been consumed. - */ -SkipFontDef(fp) - register FILE *fp; -{ - register int i; - - (void) GetLong(fp); /* checksum */ - (void) GetLong(fp); /* mag */ - (void) GetLong(fp); /* designsize */ - i = UnSign8(GetByte(fp)) + UnSign8(GetByte(fp)); - while (--i >= 0) - (void) GetByte(fp); -} diff --git a/Build/source/texk/seetexk/split.c b/Build/source/texk/seetexk/split.c deleted file mode 100644 index 21d0d648325..00000000000 --- a/Build/source/texk/seetexk/split.c +++ /dev/null @@ -1,226 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/split.c,v 3.1 89/08/22 21:59:36 chris Exp $"; -#endif - -#include <ctype.h> - -/* - * Split a line into an array of words. This is destructive of - * the original line; the word pointers point to places within - * that line. - * - * The pound-sign character `#', at the beginning of the line or - * after white space, marks the end of the line. - * - * Return the number of words made, or -1 for overflow. - */ - -/* - * The lexical states are much like `sh's, except that we also do - * C-style backslash-escapes. - */ -enum lexstate { - S_BLANK, /* outside a word */ - S_WORD, /* inside a word, no quoting */ - S_SQUOTE, /* inside a single quote */ - S_DQUOTE, /* inside a double quote */ - S_BKSL0, /* last char was \ */ - S_BKSL1, /* last chars were \, [0-7] */ - S_BKSL2 /* last chars were \, [0-7][0-7] */ -}; - -int -split(s, w, nw) - register char *s, **w; - int nw; -{ - register int c; - register char *canon = s; - register int wleft = nw; - enum lexstate state, prebkstate; - - /* - * Start out in the `blank' state (outside a word). Handle - * quotes and things. Backslashes are handled by saving the - * `pre-backslash' state, doing the backslash, and restoring - * that state at the end of the backslash sequence. - */ - state = S_BLANK; - while ((c = *s++) != 0) { -reswitch: - switch (state) { - - /* - * Blanks: spaces stay in blank state; '#' ends the line; - * anything else starts a word. However, quotes may put - * us into quote states, rather than word states. - */ - case S_BLANK: - if (isspace(c)) - continue; - if (c == '#') - goto stopped_by_comment; - if (--wleft < 0) - return (-1); - *w++ = canon; - state = S_WORD; - /* FALLTHROUGH */ - - /* - * In a word. Spaces take us out (and end the - * current word). Quotes, however, put us into - * quote states. - */ - case S_WORD: - if (isspace(c)) { - *canon++ = 0; - state = S_BLANK; - break; - } - if (c == '\'') { - state = S_SQUOTE; - break; - } - if (c == '"') { - state = S_DQUOTE; - break; - } - if (c == '\\') { - prebkstate = S_WORD; - state = S_BKSL0; - break; - } - *canon++ = c; - break; - - /* - * Inside a single quote, the only special character - * is another single quote. This matches the Bourne - * shell quoting convention exactly. - */ - case S_SQUOTE: - if (c == '\'') - state = S_WORD; - else - *canon++ = c; - break; - - /* - * Inside a double quote, double quotes get us out, - * but backslashes must be interpreted. - */ - case S_DQUOTE: - if (c == '\\') { - prebkstate = S_DQUOTE; - state = S_BKSL0; - } else if (c == '"') - state = S_WORD; - else - *canon++ = c; - break; - - /* - * If we are handling a backslash, we will either - * restore the state, or go to BKSL1 state. In - * the latter case, do not advance the canonicalisation - * pointer, since we might have more octal digits - * to insert. - */ - case S_BKSL0: - state = prebkstate; /* probably */ - switch (c) { - - case 'b': - *canon++ = '\b'; - break; - - case 'f': - *canon++ = '\f'; - break; - - case 'n': - *canon++ = '\n'; - break; - - case 'r': - *canon++ = '\r'; - break; - - case 't': - *canon++ = '\t'; - break; - - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - *canon = c - '0'; - state = S_BKSL1; - break; - - default: - *canon++ = c; - break; - } - break; - - - /* - * In BKSL1, we have seen backslash and one octal - * digit. There may be more (in which case just - * count them on in), or there might be something - * that requires we restore the state and try again. - */ - case S_BKSL1: - switch (c) { - - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - *canon <<= 3; - *canon |= c - '0'; - state = S_BKSL2; - break; - - default: - canon++; - state = prebkstate; - goto reswitch; - } - break; - - /* - * BKSL2 is like BKSL1, except that it cannot - * help but restore the original state, since - * there are no four-character octal sequences. - */ - case S_BKSL2: - state = prebkstate; /* assuredly */ - switch (c) { - - case '0': case '1': case '2': case '3': - case '4': case '5': case '6': case '7': - *canon <<= 3; - *canon++ |= c - '0'; - break; - - default: - canon++; - goto reswitch; - } - break; - } - } -stopped_by_comment: -#ifdef notdef - if (state != S_WORD && state != S_BLANK) - error(0, 0, "warning: unclosed quote"); -#endif - if (state != S_BLANK) - *canon = 0; - return (nw - wleft); -} diff --git a/Build/source/texk/seetexk/strsave.c b/Build/source/texk/seetexk/strsave.c deleted file mode 100644 index a7b53d4af8d..00000000000 --- a/Build/source/texk/seetexk/strsave.c +++ /dev/null @@ -1,31 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * Save a string in managed memory. - */ - -#if !defined( WIN32 ) && !defined( _AMIGA ) -char *malloc(), *realloc(); -extern int errno; -#endif - -#include "types.h" /* for bcopy */ -#include "error.h" - -char * -strsave(s) - register char *s; -{ - register int l = strlen(s) + 1; - register char *p = malloc((unsigned) l); - - if (p == 0) - error(1, errno, "no room for %d bytes of string", l); - bcopy(s, p, l); - return (p); -} diff --git a/Build/source/texk/seetexk/strtol.c b/Build/source/texk/seetexk/strtol.c deleted file mode 100644 index 5cb6662fbb6..00000000000 --- a/Build/source/texk/seetexk/strtol.c +++ /dev/null @@ -1,56 +0,0 @@ -#include <stdio.h> -#include <ctype.h> - -/* - * This is for people who don't have strtol defined on their systems. - * -- Compliments of Daniel.Stodolsky@cs.cmu.edu - */ - -long strtol(nptr,base,eptr) -char *nptr; -int base; -char **eptr; -{ - long l; - - if (base==10) - { - if (sscanf(nptr,"%ld",&l)!=1) - { - *eptr = nptr; - return 0; - } - else - { - while(!isdigit(*nptr)) - nptr++; - while (isdigit(*nptr)) - nptr++; - *eptr = nptr; - return l; - } - } - else - if (base==16) - { - if (sscanf(nptr,"%lx",&l)!=1) - { - *eptr = nptr; - return 0; - } - else - { - while(!isxdigit(*nptr)) - nptr++; - while (isxdigit(*nptr)) - nptr++; - *eptr = nptr; - return l; - } - } - else - { /* a base we don't understand. Puke */ - *eptr = nptr; - return 0; - } -} diff --git a/Build/source/texk/seetexk/tfm.c b/Build/source/texk/seetexk/tfm.c deleted file mode 100644 index 9a9a43aa6ef..00000000000 --- a/Build/source/texk/seetexk/tfm.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/tfm.c,v 3.1 89/08/22 22:00:12 chris Exp $"; -#endif - -/* - * TFM file reading routines. - * - * TODO: - * finish - */ - -#include <stdio.h> -#include "types.h" -#include "fio.h" -#include "tfm.h" - -static int trd_header(), trd_ci(), trd_fix(); - -#if !defined( WIN32 ) && !defined( _AMIGA ) -char *malloc(); -#endif - -#define ALLOC(n, type) ((type *)malloc((unsigned)((n) * sizeof(type)))) - -int -readtfmfile(f, t, stopafterwidth) - register FILE *f; - register struct tfmdata *t; - int stopafterwidth; /* ??? */ -{ - i32 nc; - - if (trd_header(f, &t->t_hdr)) - return (-1); - nc = t->t_hdr.th_ec - t->t_hdr.th_bc + 1; - - t->t_ci = NULL; - t->t_width = NULL; - t->t_height = NULL; - t->t_depth = NULL; - - (void) fseek(f, t->t_hdr.th_lh * 4L, 1); /* XXX */ - - if ((t->t_ci = ALLOC(nc, struct char_info_word)) == NULL || - trd_ci(f, nc, t->t_ci) || - (t->t_width = ALLOC(t->t_hdr.th_nw, i32)) == NULL || - trd_fix(f, t->t_hdr.th_nw, t->t_width)) - goto bad; - if (stopafterwidth) - return (0); - if ((t->t_height = ALLOC(t->t_hdr.th_nh, i32)) == NULL || - trd_fix(f, t->t_hdr.th_nh, t->t_height) || - (t->t_depth = ALLOC(t->t_hdr.th_nd, i32)) == NULL || - trd_fix(f, t->t_hdr.th_nd, t->t_depth)) - goto bad; - return (0); - -bad: - if (t->t_ci != NULL) - free((char *) t->t_ci); - if (t->t_width != NULL) - free((char *) t->t_width); - if (t->t_height != NULL) - free((char *) t->t_height); - if (t->t_depth != NULL) - free((char *) t->t_depth); - return (-1); -} - -static int -trd_header(f, th) - register FILE *f; - register struct tfmheader *th; -{ - register i32 *p; - - for (p = &th->th_lf; p <= &th->th_np; p++) - fGetWord(f, *p); - if (feof(f)) - return (-1); - return (0); -} - -static int -trd_ci(f, nc, ci) - register FILE *f; - register int nc; - register struct char_info_word *ci; -{ - - while (--nc >= 0) { - ci->ci_width = fgetbyte(f); - ci->ci_h_d = fgetbyte(f); - ci->ci_i_t = fgetbyte(f); - ci->ci_remainder = fgetbyte(f); - ci++; - } - if (feof(f)) - return (-1); - return (0); -} - -static int -trd_fix(f, nf, p) - register FILE *f; - register int nf; - register i32 *p; -{ - - while (--nf >= 0) { - fGetLong(f, *p); - p++; - } - if (feof(f)) - return (-1); - return (0); -} diff --git a/Build/source/texk/seetexk/tfm.h b/Build/source/texk/seetexk/tfm.h deleted file mode 100644 index 9a50657e873..00000000000 --- a/Build/source/texk/seetexk/tfm.h +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -/* - * TFM file information. - */ - -/* - * TFM files start with a series of unsigned 16 bit integers. We - * read this into the structure `tfm_header'. These are type i32 - * so that they may be used as integer quantities without concern - * as to sign extension. - */ -struct tfmheader { - i32 th_lf; /* length of the file (16 bit words) */ - i32 th_lh; /* length of the header data (words) */ - i32 th_bc; /* beginning character */ - i32 th_ec; /* ending character (inclusive) */ - i32 th_nw; /* number of words in width table */ - i32 th_nh; /* number of words in height table */ - i32 th_nd; /* number of words in depth table */ - i32 th_ni; /* words in italic correction table */ - i32 th_nl; /* words in ligature/kern table */ - i32 th_nk; /* words in kern table */ - i32 th_ne; /* words in extensible character table */ - i32 th_np; /* number of font parameter words */ -}; - -/* - * The remainder of the TFM file comprises the following information, - * all of which are 32 bit quantities: - * - * header: array [0..lh-1] of stuff - * char_info: array [bc..ec] of char_info_word - * width: array [0..nw-1] of fix_word - * height: array [0..nh-1] of fix_word - * depth: array [0..nd-1] of fix_word - * italic: array [0..ni-1] of fix_word - * lig_kern: array [0..nl-1] of lig_kern_command - * kern: array [0..ne-1] of extensible_recipie - * param: array [0..np-1] of fix_word - */ - -/* - * A char_info_word is built of four unsigned eight-bit quantities. The first - * is an index into the width table (this saves 24 bits for every - * character that has the same width as another character). The - * second is a composite height and depth index. The third is a - * composite italic index and tag, and the fourth is a remainder. - * - * XXX needs explaining - */ -struct char_info_word { - char ci_width; /* width index */ - char ci_h_d; /* height and depth index */ - char ci_i_t; /* italic index and tag */ - char ci_remainder; /* ??? */ -}; - -/* - * These macros split up h_and_d and i_and_t values. - */ -#define T_CI_H(ci) (((ci)->ci_h_d >> 4) & 0xf) -#define T_CI_D(ci) ((ci)->ci_h_d & 0xf) -#define T_CI_I(ci) (((ci)->ci_i_t >> 2) & 0x3f) -#define T_CI_T(ci) ((ci)->ci_i_t & 3) - -/* - * This structure contains everything one might need to know about - * a TFM file at run-time. - * - * XXX incomplete, or wrong, as yet - */ -struct tfmdata { - struct tfmheader t_hdr; /* full header */ - struct char_info_word *t_ci; /* char info */ - i32 *t_width; /* widths table */ - i32 *t_height; /* heights */ - i32 *t_depth; /* depths */ -}; diff --git a/Build/source/texk/seetexk/tfmfont.c b/Build/source/texk/seetexk/tfmfont.c deleted file mode 100644 index e18be7ce1a1..00000000000 --- a/Build/source/texk/seetexk/tfmfont.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (c) 1987, 1989 University of Maryland - * Department of Computer Science. All rights reserved. - * Permission to copy for any purpose is hereby granted - * so long as this copyright notice remains intact. - */ - -#ifndef lint -static char rcsid[] = "$Header: /usr/src/local/tex/local/mctex/lib/RCS/tfmfont.c,v 3.4 89/11/29 02:29:58 chris Exp $"; -#endif - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include "types.h" -#include "conv.h" -#include "font.h" -#include "tfm.h" - -/* - * TFM font operations. This defines three fonts: - * - * box - prints as little square boxes, outlining what TeX - * thinks is the character; carries a warning. - * blank - prints as entirely blank; carries a warning. - * tfm - prints as entirely blank; can be used for built-in fonts. - * invis - an alias for tfm. - * - * The first two also complain that no font is available in the - * requested size; these are intended to be used as a last resort - * so that users can always print DVI files. You should configure - * in exactly one of box or blank. - * - * TODO: - * base box edge widths on Conversion.c_dpi - */ -static int box_read(), blank_read(), tfm_read(); -static int tfm_getgly(), tfm_rasterise(); -static void tfm_freefont(); - - /* magnifications are unused in tfm fonts */ -struct fontops boxops = /* `boxtops'? Is this a cereal driver? */ - { "box", 1, 0.0, box_read, tfm_getgly, tfm_rasterise, tfm_freefont }; -struct fontops blankops = - { "blank", 2, 0.0, blank_read, tfm_getgly, tfm_rasterise, tfm_freefont }; -struct fontops tfmops = - { "tfm", 0, 0.0, tfm_read, tfm_getgly, tfm_rasterise, tfm_freefont }; -struct fontops invisops = - { "invis", 0, 0.0, tfm_read, tfm_getgly, tfm_rasterise, tfm_freefont }; - -/* - * Local info. - */ -struct tfm_details { - int tfm_edge; /* box edge widths, in pixels */ - struct tfmdata tfm_data; /* the TFM file data */ -}; - -/* - * Get the tfm_details from font f. - */ -#define ftotfm(f) ((struct tfm_details *)(f)->f_details) - -static int do_read(); - -#if !defined( WIN32 ) && !defined( _AMIGA ) -extern int errno; -char *malloc(); -#endif - -/* - * Read a Box font. - */ -static int -box_read(f, fd) - struct font *f; - int fd; -{ - - return (do_read(f, fd, 0)); -} - -/* - * Read a Blank font. - */ -static int -blank_read(f, fd) - struct font *f; - int fd; -{ - - return (do_read(f, fd, 1)); -} - -/* - * Read a TFM font. - */ -static int -tfm_read(f, fd) - struct font *f; - int fd; -{ - - return (do_read(f, fd, 1)); -} - -/* - * Read a TFM font. It is blank if `blank'. - */ -static int -do_read(f, fd, blank) - register struct font *f; - int fd, blank; -{ - register struct tfm_details *tfm; - FILE *fp; - - if ((fp = fdopen(fd, "r")) == NULL) { - (void) close(fd); - return (-1); - } - if ((tfm = (struct tfm_details *)malloc(sizeof *tfm)) == NULL) - goto fail; - if (readtfmfile(fp, &tfm->tfm_data, blank)) - goto fail; - if (blank) - tfm->tfm_edge = 0; - else - tfm->tfm_edge = 2; /* XXX should be based on dpi */ - if (FontHasGlyphs(f, tfm->tfm_data.t_hdr.th_bc, - tfm->tfm_data.t_hdr.th_ec + 1)) - goto fail; - f->f_checksum = 0; /* ??? */ - f->f_design_size = 0; /* ??? */ - f->f_hppp = 0; - f->f_vppp = 0; - f->f_details = (char *)tfm; - (void) fclose(fp); - return (0); - -fail: - (void) fclose(fp); - if (tfm != NULL) - free((char *)tfm); - return (-1); -} - -/* - * Obtain the specified range of glyphs. - */ -static int -tfm_getgly(f, l, h) - register struct font *f; - int l; - register int h; -{ - register struct tfm_details *tfm = ftotfm(f); - register struct glyph *g; - register int i; - register struct char_info_word *ci; -#define t (&tfm->tfm_data) - extern i32 ScaleOneWidth(i32, i32); -#define ftop(fix) fromSP(ScaleOneWidth(fix, f->f_dvimag)) - - for (i = l; i < h; i++) { - ci = &t->t_ci[i - t->t_hdr.th_bc]; - /* zero widths mark invalid characters */ - if (ci->ci_width == 0) - continue; - g = f->f_gly[i]; - g->g_flags = GF_VALID; - g->g_rawtfmwidth = t->t_width[UnSign8(ci->ci_width)]; - g->g_xorigin = 0; - if (tfm->tfm_edge != 0) { - g->g_yorigin = ftop(t->t_height[T_CI_H(ci)]); - g->g_width = ftop(g->g_rawtfmwidth); - g->g_height = g->g_yorigin + - ftop(t->t_depth[T_CI_D(ci)]); - } else { - g->g_yorigin = 0; - g->g_width = 0; - g->g_height = 0; - } - } - return (0); -#undef t -} - -/* - * Obtain rasters for the specified glyphs. - * - * IGNORES tfm->tfm_edge: 2 HARDCODED FOR NOW - */ -static int -tfm_rasterise(f, l, h) - struct font *f; - int l, h; -{ - register struct glyph *g; - register char *p; - register int w, j, i; - struct tfm_details *tfm = ftotfm(f); -#define EDGE 2 - - if (tfm->tfm_edge == 0) - return (0); -if (tfm->tfm_edge != 2) panic("tfm_rasterise"); - for (i = l; i < h; i++) { - g = f->f_gly[i]; - if ((g->g_flags & GF_VALID) == 0 || !HASRASTER(g)) - continue; - w = (g->g_width + 7) >> 3; - p = malloc((unsigned) (g->g_height * w)); - if (p == NULL) - return (-1); - g->g_raster = p; - g->g_rotation = ROT_NORM; - if (g->g_width < 2 * EDGE) { - w = 2 * EDGE - g->g_width; - for (j = g->g_height; --j >= 0;) - *p++ = 0xf0 << w; - } else { - bzero(p, g->g_height * w); - for (j = 0; j < g->g_height;) { - if (j < EDGE || j >= g->g_height - EDGE) { - register int k = w; - - while (--k > 0) - *p++ = 0xff; - *p++ = 0xff << ((8 - g->g_width) & 7); - j++; - continue; - } - /* the following depends on EDGE==2 */ - *p = 0xc0; - p += w - ((g->g_width & 7) == 1 ? 2 : 1); - *p++ |= 0xc0 >> ((g->g_width - EDGE) & 7); - if ((g->g_width & 7) == 1) - *p++ = 0x80; - /* end dependencies */ - if (++j == EDGE && g->g_height >= 2 * EDGE) { - register int n = g->g_height - EDGE; - - p += (n - j) * w; - j = n; - } - } - } - } - return (0); -} - -/* - * Discard the font details. - */ -static void -tfm_freefont(f) - struct font *f; -{ - - free(f->f_details); -} |