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authorKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
committerKarl Berry <karl@freefriends.org>2006-01-17 21:41:51 +0000
commit487ca4806cc046076293cf6cc5fbba0db282bac7 (patch)
tree847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/web2c/pdftexdir/writet3.c
parenta3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff)
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/pdftexdir/writet3.c')
-rw-r--r--Build/source/texk/web2c/pdftexdir/writet3.c389
1 files changed, 389 insertions, 0 deletions
diff --git a/Build/source/texk/web2c/pdftexdir/writet3.c b/Build/source/texk/web2c/pdftexdir/writet3.c
new file mode 100644
index 00000000000..fa9c09bc3d1
--- /dev/null
+++ b/Build/source/texk/web2c/pdftexdir/writet3.c
@@ -0,0 +1,389 @@
+/*
+Copyright (c) 1996-2002 Han The Thanh, <thanh@pdftex.org>
+
+This file is part of pdfTeX.
+
+pdfTeX is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+pdfTeX is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with pdfTeX; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+$Id: //depot/Build/source.development/TeX/texk/web2c/pdftexdir/writet3.c#9 $
+*/
+
+#include "ptexlib.h"
+#include <kpathsea/tex-glyph.h>
+#include <kpathsea/magstep.h>
+
+#define T3_BUF_SIZE 1024
+
+static const char perforce_id[] =
+ "$Id: //depot/Build/source.development/TeX/texk/web2c/pdftexdir/writet3.c#9 $";
+
+/* define t3_line_ptr, t3_line_array & t3_line_limit */
+typedef char t3_line_entry;
+define_array(t3_line);
+
+FILE *t3_file;
+static boolean t3_image_used;
+
+static integer t3_char_procs[MAX_CHAR_CODE + 1];
+static float t3_char_widths[MAX_CHAR_CODE + 1];
+static int t3_glyph_num;
+static float t3_font_scale;
+static integer t3_b0, t3_b1, t3_b2, t3_b3;
+static boolean is_pk_font;
+
+#define t3_open() \
+ open_input(&t3_file, kpse_miscfonts_format, FOPEN_RBIN_MODE)
+#define t3_close() xfclose(t3_file, cur_file_name)
+#define t3_getchar() xgetc(t3_file)
+#define t3_eof() feof(t3_file)
+#define t3_prefix(s) (!strncmp(t3_line_array, s, strlen(s)))
+#define t3_putchar(c) pdfout(c)
+
+#define t3_check_eof() \
+ if (t3_eof()) \
+ pdftex_fail("unexpected end of file");
+
+static void t3_getline(void)
+{
+ int c;
+restart:
+ t3_line_ptr = t3_line_array;
+ c = t3_getchar();
+ while (!t3_eof()) {
+ alloc_array(t3_line, 1, T3_BUF_SIZE);
+ append_char_to_buf(c, t3_line_ptr, t3_line_array, t3_line_limit);
+ if (c == 10)
+ break;
+ c = t3_getchar();
+ }
+ alloc_array(t3_line, 2, T3_BUF_SIZE);
+ append_eol(t3_line_ptr, t3_line_array, T3_BUF_SIZE);
+ if (t3_line_ptr - t3_line_array < 2 || *t3_line_array == '%') {
+ if (!t3_eof())
+ goto restart;
+ }
+}
+
+static void t3_putline(void)
+{
+ char *p = t3_line_array;
+ while (p < t3_line_ptr)
+ t3_putchar(*p++);
+}
+
+static void update_bbox(integer llx, integer lly, integer urx, integer ury, boolean is_first_glyph)
+{
+ if (is_first_glyph) {
+ t3_b0 = llx;
+ t3_b1 = lly;
+ t3_b2 = urx;
+ t3_b3 = ury;
+ }
+ else {
+ if (llx < t3_b0)
+ t3_b0 = llx;
+ if (lly < t3_b1)
+ t3_b1 = lly;
+ if (urx > t3_b2)
+ t3_b2 = urx;
+ if (ury > t3_b3)
+ t3_b3 = ury;
+ }
+}
+
+static void t3_write_glyph(internalfontnumber f)
+{
+ static char t3_begin_glyph_str[] = "\\pdfglyph";
+ static char t3_end_glyph_str[] = "\\endglyph";
+ int glyph_index;
+ int width, height, depth, llx, lly, urx, ury;
+ char *p;
+ t3_getline();
+ if (t3_prefix(t3_begin_glyph_str)) {
+ if (sscanf(t3_line_array + strlen(t3_begin_glyph_str) + 1,
+ "%i %i %i %i %i %i %i %i =", &glyph_index,
+ &width, &height, &depth, &llx, &lly, &urx, &ury) != 8) {
+ remove_eol(p, t3_line_array);
+ pdftex_warn("invalid glyph preamble: `%s'", t3_line_array);
+ return;
+ }
+ if (glyph_index < fontbc[f] || glyph_index > fontec[f])
+ return;
+ }
+ else
+ return;
+ if (!pdfcharmarked(f, glyph_index)) {
+ while (!t3_prefix(t3_end_glyph_str)) {
+ t3_check_eof();
+ t3_getline();
+ }
+ return;
+ }
+ update_bbox(llx, lly, urx, ury, t3_glyph_num == 0);
+ t3_glyph_num++;
+ pdfnewdict(0, 0);
+ t3_char_procs[glyph_index] = objptr;
+ if (width == 0)
+ t3_char_widths[glyph_index] =
+ (getcharwidth(f, glyph_index)/t3_font_scale) / pdffontsize[f];
+ else
+ t3_char_widths[glyph_index] = width;
+ pdfbeginstream();
+ t3_getline();
+ pdf_printf("%i 0 %i %i %i %i d1\nq\n",
+ (int)t3_char_widths[glyph_index], (int)llx,
+ (int)lly, (int)urx, (int)ury);
+ while (!t3_prefix(t3_end_glyph_str)) {
+ t3_check_eof();
+ if (t3_prefix("BI"))
+ t3_image_used = true;
+ t3_putline();
+ t3_getline();
+ }
+ pdf_puts("Q\n");
+ pdfendstream();
+}
+
+static integer get_pk_font_scale(internalfontnumber f)
+{
+ return
+ dividescaled(pkscalefactor,
+ dividescaled(pdffontsize[f], onehundredbp, fixeddecimaldigits + 2),
+ 0);
+}
+
+static integer pk_char_width(internalfontnumber f, scaled w)
+{
+ return
+ dividescaled(dividescaled(w, pdffontsize[f], 7),
+ get_pk_font_scale(f), 0);
+}
+
+scaled getpkcharwidth(internalfontnumber f, scaled w)
+{
+ return (get_pk_font_scale(f)/100000.0)*
+ (pk_char_width(f, w)/100.0)*
+ pdffontsize[f];
+}
+
+static boolean writepk(internalfontnumber f)
+{
+ kpse_glyph_file_type font_ret;
+ integer llx, lly, urx, ury;
+ integer cw, rw, i, j;
+ halfword *row;
+ char *name;
+ chardesc cd;
+ boolean is_null_glyph, check_preamble;
+ integer dpi;
+ int e;
+ dpi = kpse_magstep_fix(
+ round(fixedpkresolution*(((float)pdffontsize[f])/fontdsize[f])),
+ fixedpkresolution, NULL);
+ cur_file_name = makecstring(fontname[f]);
+ name = kpse_find_pk(cur_file_name, (unsigned)dpi, &font_ret);
+ if (name == NULL ||
+ !FILESTRCASEEQ(cur_file_name, font_ret.name) ||
+ !kpse_bitmap_tolerance((float)font_ret.dpi, (float)dpi)) {
+ pdftex_warn("Font %s at %i not found", cur_file_name, (int)dpi);
+ cur_file_name = NULL;
+ return false;
+ }
+ t3_file = xfopen(name, FOPEN_RBIN_MODE);
+ t3_image_used = true;
+ is_pk_font = true;
+ tex_printf(" <%s", (char *)name);
+ cd.rastersize = 256;
+ cd.raster = xtalloc(cd.rastersize, halfword);
+ check_preamble = true;
+ while (readchar(check_preamble, &cd) != 0) {
+ check_preamble = false;
+ if (!pdfcharmarked(f, cd.charcode))
+ continue;
+ t3_char_widths[cd.charcode] =
+ pk_char_width(f, getcharwidth(f, cd.charcode));
+ if (cd.cwidth < 1 || cd.cheight < 1) {
+ cd.xescape = cd.cwidth = round(t3_char_widths[cd.charcode]/100.0);
+ cd.cheight = 1;
+ cd.xoff = 0;
+ cd.yoff = 0;
+ is_null_glyph = true;
+ }
+ else
+ is_null_glyph = false;
+ llx = -cd.xoff;
+ lly = cd.yoff - cd.cheight + 1;
+ urx = cd.cwidth + llx + 1;
+ ury = cd.cheight + lly;
+ update_bbox(llx, lly, urx, ury, t3_glyph_num == 0);
+ t3_glyph_num++;
+ pdfnewdict(0, 0);
+ t3_char_procs[cd.charcode] = objptr;
+ pdfbeginstream();
+ pdfprintreal(t3_char_widths[cd.charcode], 2);
+ pdf_printf(" 0 %i %i %i %i d1\n",
+ (int)llx, (int)lly, (int)urx, (int)ury);
+ if (is_null_glyph)
+ goto end_stream;
+ pdf_printf("q\n%i 0 0 %i %i %i cm\nBI\n", (int)cd.cwidth,
+ (int)cd.cheight, (int)llx, (int)lly);
+ pdf_printf("/W %i\n/H %i\n",
+ (int)cd.cwidth, (int)cd.cheight);
+ pdf_puts("/IM true\n/BPC 1\n/D [1 0]\nID ");
+ cw = (cd.cwidth + 7)/8;
+ rw = (cd.cwidth + 15)/16;
+ row = cd.raster;
+ for (i = 0; i < cd.cheight; i++) {
+ for (j = 0; j < rw - 1; j++) {
+ pdfout(*row/256);
+ pdfout(*row%256);
+ row++;
+ }
+ pdfout(*row/256);
+ if (2*rw == cw)
+ pdfout(*row%256);
+ row++;
+ }
+ pdf_puts("\nEI\nQ\n");
+end_stream:
+ pdfendstream();
+ }
+ xfree(cd.raster);
+ cur_file_name = NULL;
+ return true;
+}
+
+void writet3(int objnum, internalfontnumber f)
+{
+ static char t3_font_scale_str[] = "\\pdffontscale";
+ int i, e;
+ int first_char, last_char;
+ integer pk_font_scale;
+ boolean is_notdef;
+ t3_glyph_num = 0;
+ t3_image_used = false;
+ for (i = 0; i <= MAX_CHAR_CODE; i++) {
+ t3_char_procs[i] = 0;
+ t3_char_widths[i] = 0;
+ }
+ packfilename(fontname[f], getnullstr(), maketexstring(".pgc"));
+ cur_file_name = makecstring(makenamestring());
+ is_pk_font = false;
+ if (!t3_open()) {
+ if (writepk(f))
+ goto write_font_dict;
+ else {
+ cur_file_name = NULL;
+ return;
+ }
+ }
+ tex_printf("<%s", nameoffile + 1);
+ t3_getline();
+ if (!t3_prefix(t3_font_scale_str) ||
+ sscanf(t3_line_array + strlen(t3_font_scale_str) + 1, "%g", &t3_font_scale) < 1 ||
+ t3_font_scale <= 0 || t3_font_scale > 1000 ) {
+ pdftex_warn("missing or invalid font scale");
+ t3_close();
+ cur_file_name = NULL;
+ return;
+ }
+ while (!t3_eof())
+ t3_write_glyph(f);
+write_font_dict:
+ for (i = fontbc[f]; i <= fontec[f]; i++)
+ if (pdfcharmarked(f, i))
+ break;
+ first_char = i;
+ for (i = fontec[f]; i > first_char; i--)
+ if (pdfcharmarked(f, i))
+ break;
+ last_char = i;
+ pdfbegindict(objnum); /* Type 3 font dictionary */
+ pdf_puts("/Type /Font\n/Subtype /Type3\n");
+ pdf_printf("/Name /F%i\n", (int)f);
+ if (pdffontattr[f] != getnullstr()) {
+ pdfprint(pdffontattr[f]);
+ pdf_puts("\n");
+ }
+ if (is_pk_font) {
+ pk_font_scale = get_pk_font_scale(f);
+ pdf_puts("/FontMatrix [");
+ pdfprintreal(pk_font_scale, 5);
+ pdf_puts(" 0 0 ");
+ pdfprintreal(pk_font_scale, 5);
+ pdf_puts(" 0 0]\n") ;
+ }
+ else
+ pdf_printf("/FontMatrix [%g 0 0 %g 0 0]\n",
+ (double)t3_font_scale, (double)t3_font_scale);
+ pdf_printf("/%s [ %i %i %i %i ]\n",
+ font_keys[FONTBBOX1_CODE].pdfname,
+ (int)t3_b0, (int)t3_b1,
+ (int)t3_b2, (int)t3_b3);
+ pdf_printf("/Resources << /ProcSet [ /PDF %s] >>\n",
+ t3_image_used ? "/ImageB " : "");
+ pdf_printf("/FirstChar %i\n/LastChar %i\n", first_char, last_char);
+ pdf_printf("/Widths %i 0 R\n/Encoding %i 0 R\n/CharProcs %i 0 R\n",
+ (int)(objptr + 1), (int)(objptr + 2),
+ (int)(objptr + 3));
+ pdfenddict();
+ pdfnewobj(0, 0); /* chars width array */
+ pdf_puts("[");
+ if (is_pk_font)
+ for (i = first_char; i <= last_char; i++) {
+ pdfprintreal(t3_char_widths[i], 2);
+ pdf_puts(" ");
+ }
+ else
+ for (i = first_char; i <= last_char; i++)
+ pdf_printf("%i ", (int)t3_char_widths[i]);
+ pdf_puts("]\n");
+ pdfendobj();
+ pdfnewdict(0, 0); /* encoding dictionary */
+ pdf_printf("/Type /Encoding\n/Differences [%i", first_char);
+ if (t3_char_procs[first_char] == 0) {
+ pdf_printf("/%s", notdef);
+ is_notdef = true;
+ }
+ else {
+ pdf_printf("/a%i", first_char);
+ is_notdef = false;
+ }
+ for (i = first_char + 1; i <= last_char; i++) {
+ if (t3_char_procs[i] == 0) {
+ if (!is_notdef) {
+ pdf_printf(" %i/%s", i, notdef);
+ is_notdef = true;
+ }
+ }
+ else {
+ if (is_notdef) {
+ pdf_printf(" %i", i);
+ is_notdef = false;
+ }
+ pdf_printf("/a%i", i);
+ }
+ }
+ pdf_puts("]\n");
+ pdfenddict();
+ pdfnewdict(0, 0); /* CharProcs dictionary */
+ for (i = first_char; i <= last_char; i++)
+ if (t3_char_procs[i] != 0)
+ pdf_printf("/a%i %i 0 R\n", (int)i, (int)t3_char_procs[i]);
+ pdfenddict();
+ t3_close();
+ tex_printf(">");
+ cur_file_name = NULL;
+}