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-rw-r--r--Build/source/texk/dvipdfm-x/src/pdfdraw.c1884
1 files changed, 0 insertions, 1884 deletions
diff --git a/Build/source/texk/dvipdfm-x/src/pdfdraw.c b/Build/source/texk/dvipdfm-x/src/pdfdraw.c
deleted file mode 100644
index 6ef0a2d8dc2..00000000000
--- a/Build/source/texk/dvipdfm-x/src/pdfdraw.c
+++ /dev/null
@@ -1,1884 +0,0 @@
-/*
-
- This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
-
- Copyright (C) 2002-2012 by Jin-Hwan Cho and Shunsaku Hirata,
- the dvipdfmx project team.
-
- Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
-
- This program 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.
-
- This program 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 this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <math.h>
-
-#include "system.h"
-#include "error.h"
-#include "mem.h"
-#include "mfileio.h"
-#include "dpxutil.h"
-#include "numbers.h"
-
-#include "pdfdoc.h"
-#include "pdfdev.h"
-#include "pdfcolor.h"
-
-#include "pdfdraw.h"
-
-#if 1
-typedef void pdf_dev;
-#endif
-
-
-/*
- * Numbers are rounding to 0-5 fractional digits
- * in output routine.
- */
-#define detM(M) ((M).a * (M).d - (M).b * (M).c)
-#define detP(M) ((M)->a * (M)->d - (M)->b * (M)->c)
-
-
-static /* __inline__ */ int
-inversematrix (pdf_tmatrix *W, const pdf_tmatrix *M)
-{
- double det;
-
- det = detP(M);
- if (fabs(det) < 1.e-8) {
-#if 1
- WARN("Inverting matrix with zero determinant...");
-#endif
- return -1; /* result is undefined. */
- }
-
- W->a = (M->d) / det; W->b = -(M->b) / det;
- W->c = -(M->c) / det; W->d = (M->a) / det;
- W->e = (M->c) * (M->f) - (M->d) * (M->e);
- W->f = (M->b) * (M->e) - (M->a) * (M->f);
-
- return 0;
-}
-
-/* pdf_coord as vector */
-#define vecprd(v,w) ((v).x * (w).x + (v).y * (w).y)
-#define vecrot(v,w) ((v).x * (w).y - (v).y * (w).x)
-#define dsign(v) (((v) >= 0.0) ? 1.0 : -1.0)
-/* acos => [0, pi] */
-#define vecang(v,w) ( \
- dsign(vecrot((v),(w))) * \
- acos(vecprd((v),(w)) / sqrt(vecprd((v),(v)) * vecprd((w),(w)))) \
-)
-
-static /* __inline__ */ int
-pdf_coord__equal (const pdf_coord *p1, const pdf_coord *p2)
-{
- if (fabs(p1->x - p2->x) < 1.e-7 &&
- fabs(p1->y - p2->y) < 1.e-7)
- return 1;
- return 0;
-}
-#define COORD_EQUAL(p,q) pdf_coord__equal((p),(q))
-
-#if 0
-static int
-pdf_coord__sort_compar_X (const void *pp1, const void *pp2)
-{
- pdf_coord *p1 = (pdf_coord *)pp1;
- pdf_coord *p2 = (pdf_coord *)pp2;
-
- if (pdf_coord__equal(p1, p2))
- return 0;
- else
- return (int) dsign(p1->x - p2->x);
-
- return 1;
-}
-
-static int
-pdf_coord__sort_compar_Y (const void *pp1, const void *pp2)
-{
- pdf_coord *p1 = (pdf_coord *)pp1;
- pdf_coord *p2 = (pdf_coord *)pp2;
-
- if (pdf_coord__equal(p1, p2))
- return 0;
- else
- return (int) dsign(p1->y - p2->y);
-
- return 1;
-}
-#endif
-
-
-static /* __inline__ */ int
-pdf_coord__transform (pdf_coord *p, const pdf_tmatrix *M)
-{
- double x, y;
-
- x = p->x; y = p->y;
- p->x = x * M->a + y * M->c + M->e;
- p->y = x * M->b + y * M->d + M->f;
-
- return 0;
-}
-
-#if 0
-static /* __inline__ */ int
-pdf_coord__itransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- pdf_tmatrix W;
- double x, y;
- int error;
-
- error = inversematrix(&W, M);
- if (error)
- return error;
-
- x = p->x; y = p->y;
- p->x = x * W.a + y * W.c + W.e;
- p->y = x * W.b + y * W.d + W.f;
-
- return 0;
-}
-#endif
-
-static /* __inline__ */ int
-pdf_coord__dtransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- double x, y;
-
- x = p->x; y = p->y;
- p->x = x * M->a + y * M->c;
- p->y = x * M->b + y * M->d;
-
- return 0;
-}
-
-static /* __inline__ */ int
-pdf_coord__idtransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- pdf_tmatrix W;
- double x, y;
- int error;
-
- error = inversematrix(&W, M);
- if (error)
- return error;
-
- x = p->x; y = p->y;
- p->x = x * W.a + y * W.c;
- p->y = x * W.b + y * W.d;
-
- return 0;
-}
-
-
-/* Modify M itself */
-void
-pdf_invertmatrix (pdf_tmatrix *M)
-{
- pdf_tmatrix W;
- double det;
-
- ASSERT(M);
-
- det = detP(M);
- if (fabs(det) < 1.e-8) {
- WARN("Inverting matrix with zero determinant...");
- W.a = 1.0; W.c = 0.0;
- W.b = 0.0; W.d = 1.0;
- W.e = 0.0; W.f = 0.0;
- } else {
- W.a = (M->d) / det; W.b = -(M->b) / det;
- W.c = -(M->c) / det; W.d = (M->a) / det;
- W.e = (M->c) * (M->f) - (M->d) * (M->e);
- W.f = (M->b) * (M->e) - (M->a) * (M->f);
- }
-
- pdf_copymatrix(M, &W);
-
- return;
-}
-
-
-typedef struct pa_elem_
-{
- int type;
- pdf_coord p[3];
-} pa_elem;
-
-/* each subpath delimitted by moveto */
-struct pdf_path_
-{
- int num_paths;
- int max_paths;
- pa_elem *path;
-};
-
-static const struct {
- char opchr; /* PDF operator char */
- int n_pts; /* number of *points* */
- const char *strkey;
-} petypes[] = {
-#define PE_TYPE__INVALID -1
-#define PE_TYPE__MOVETO 0
- {'m', 1, "moveto" },
-#define PE_TYPE__LINETO 1
- {'l', 1, "lineto" },
-#define PE_TYPE__CURVETO 2
- {'c', 3, "curveto" },
- /* no PS correspondence for v and y */
-#define PE_TYPE__CURVETO_V 3
- {'v', 2, "vcurveto"}, /* current point replicated */
-#define PE_TYPE__CURVETO_Y 4
- {'y', 2, "ycurveto"}, /* last point replicated */
-#define PE_TYPE__CLOSEPATH 5
- {'h', 0, "closepath"},
-#define PE_TYPE__TERMINATE 6
- {' ', 0, NULL}
-};
-
-#define PE_VALID(p) ((p) && \
- (p)->type > PE_TYPE__INVALID && (p)->type < PE_TYPE__TERMINATE)
-#define PE_N_PTS(p) (PE_VALID((p)) ? petypes[(p)->type].n_pts : 0)
-#define PE_OPCHR(p) (PE_VALID((p)) ? petypes[(p)->type].opchr : ' ')
-
-#define PA_LENGTH(pa) ((pa)->num_paths)
-
-#define GS_FLAG_CURRENTPOINT_SET (1 << 0)
-
-
-static char fmt_buf[1024]; /* FIXME */
-#define FORMAT_BUFF_PTR(p) fmt_buf
-#define FORMAT_BUFF_LEN(p) 1024
-
-static void
-init_a_path (pdf_path *p)
-{
- ASSERT(p);
-
- p->num_paths = 0;
- p->max_paths = 0;
- p->path = NULL;
-
- return;
-}
-
-static void
-pdf_path__clearpath (pdf_path *p)
-{
- ASSERT(p);
-
- p->num_paths = 0;
-
- return;
-}
-
-static int
-pdf_path__growpath (pdf_path *p, int max_pe)
-{
- if (max_pe < p->max_paths)
- return 0;
-
- p->max_paths = MAX(p->max_paths + 8, max_pe);
- p->path = RENEW(p->path, p->max_paths, pa_elem);
-
- return 0;
-}
-
-static void
-clear_a_path (pdf_path *p)
-{
- ASSERT(p);
-
- if (p->path)
- RELEASE(p->path);
- p->path = NULL;
- p->num_paths = 0;
- p->max_paths = 0;
-
- return;
-}
-
-static int
-pdf_path__copypath (pdf_path *p1, const pdf_path *p0)
-{
- pa_elem *pe0, *pe1;
- int i;
-
- pdf_path__growpath(p1, PA_LENGTH(p0));
- for (i = 0; i < PA_LENGTH(p0); i++) {
- pe1 = &(p1->path[i]);
- pe0 = &(p0->path[i]);
- /* FIXME */
- pe1->type = pe0->type;
- pe1->p[0].x = pe0->p[0].x;
- pe1->p[0].y = pe0->p[0].y;
- pe1->p[1].x = pe0->p[1].x;
- pe1->p[1].y = pe0->p[1].y;
- pe1->p[2].x = pe0->p[2].x;
- pe1->p[2].y = pe0->p[2].y;
- }
- p1->num_paths = PA_LENGTH(p0);
-
- return 0;
-}
-
-
-/* start new subpath */
-static int
-pdf_path__moveto (pdf_path *pa,
- pdf_coord *cp,
- const pdf_coord *p0)
-{
- pa_elem *pe;
-
- pdf_path__growpath(pa, PA_LENGTH(pa) + 1);
- if (PA_LENGTH(pa) > 0) {
- pe = &pa->path[pa->num_paths-1];
- if (pe->type == PE_TYPE__MOVETO) {
- pe->p[0].x = cp->x = p0->x;
- pe->p[0].y = cp->y = p0->y;
- return 0;
- }
- }
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x = p0->x;
- pe->p[0].y = cp->y = p0->y;
-
- return 0;
-}
-
-/* Do 'compression' of path while adding new path elements.
- * Sequantial moveto command will be replaced with a
- * single moveto. If cp is not equal to the last point in pa,
- * then moveto is inserted (starting new subpath).
- * FIXME:
- * 'moveto' must be used to enforce starting new path.
- * This affects how 'closepath' is treated.
- */
-static pa_elem *
-pdf_path__next_pe (pdf_path *pa, const pdf_coord *cp)
-{
- pa_elem *pe;
-
- pdf_path__growpath(pa, PA_LENGTH(pa) + 2);
- if (PA_LENGTH(pa) == 0) {
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
-
- return &pa->path[pa->num_paths++];
- }
-
- pe = &pa->path[pa->num_paths-1];
- switch (pe->type) {
- case PE_TYPE__MOVETO:
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
- break;
- case PE_TYPE__LINETO:
- if (!COORD_EQUAL(&pe->p[0], cp)) {
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
- }
- break;
- case PE_TYPE__CURVETO:
- if (!COORD_EQUAL(&pe->p[2], cp)) {
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
- }
- break;
- case PE_TYPE__CURVETO_Y:
- case PE_TYPE__CURVETO_V:
- if (!COORD_EQUAL(&pe->p[1], cp)) {
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
- }
- break;
- case PE_TYPE__CLOSEPATH:
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__MOVETO;
- pe->p[0].x = cp->x;
- pe->p[0].y = cp->y;
- break;
- }
-
- return &pa->path[pa->num_paths++];
-}
-
-static int
-pdf_path__transform (pdf_path *pa, const pdf_tmatrix *M)
-{
- pa_elem *pe;
- int n = 0, i;
-
- ASSERT(pa && M);
-
- for (i = 0; i < PA_LENGTH(pa); i++) {
- pe = &(pa->path[i]);
- n = PE_N_PTS(pe);
- while (n-- > 0)
- pdf_coord__transform(&(pe->p[n]), M);
- }
-
- return 0;
-}
-
-
-/* Path Construction */
-static int
-pdf_path__lineto (pdf_path *pa,
- pdf_coord *cp,
- const pdf_coord *p0)
-{
- pa_elem *pe;
-
- pe = pdf_path__next_pe(pa, cp);
- pe->type = PE_TYPE__LINETO;
- pe->p[0].x = cp->x = p0->x;
- pe->p[0].y = cp->y = p0->y;
-
- return 0;
-}
-
-static int
-pdf_path__curveto (pdf_path *pa,
- pdf_coord *cp,
- const pdf_coord *p0,
- const pdf_coord *p1,
- const pdf_coord *p2
- )
-{
- pa_elem *pe;
-
- pe = pdf_path__next_pe(pa, cp);
- if (COORD_EQUAL(cp, p0)) {
- pe->type = PE_TYPE__CURVETO_V;
- pe->p[0].x = p1->x;
- pe->p[0].y = p1->y;
- pe->p[1].x = cp->x = p2->x;
- pe->p[1].y = cp->y = p2->y;
- } else if (COORD_EQUAL(p1, p2)) {
- pe->type = PE_TYPE__CURVETO_Y;
- pe->p[0].x = p0->x;
- pe->p[0].y = p0->y;
- pe->p[1].x = cp->x = p1->x;
- pe->p[1].y = cp->y = p1->y;
- } else {
- pe->type = PE_TYPE__CURVETO;
- pe->p[0].x = p0->x;
- pe->p[0].y = p0->y;
- pe->p[1].x = p1->x;
- pe->p[1].y = p1->y;
- pe->p[2].x = cp->x = p2->x;
- pe->p[2].y = cp->y = p2->y;
- }
-
- return 0;
-}
-
-#if 0
-#define QB_TWO_THIRD (2.0/3.0)
-#define QB_ONE_THIRD (1.0/3.0)
-
-static int
-pdf_path__curveto_QB (pdf_path *pa,
- pdf_coord *cp,
- const pdf_coord *p0,
- const pdf_coord *p1
- )
-{
- pdf_coord q0, q1;
-
- q0.x = cp->x + QB_TWO_THIRD * (p0->x - cp->x);
- q0.y = cp->y + QB_TWO_THIRD * (p0->y - cp->y);
- q1.x = p0->x + QB_ONE_THIRD * (p1->x - p0->x);
- q1.y = p0->y + QB_ONE_THIRD * (p1->y - p0->y);
- /* q2 == p1 */
-
- return pdf_path__curveto(pa, cp, &q0, &q1, p1);
-}
-#endif
-
-
-/* This isn't specified as cp to somewhere. */
-static int
-pdf_path__elliptarc (pdf_path *pa,
- pdf_coord *cp,
- const pdf_coord *ca, /* ellipsis center */
- double r_x, /* x radius */
- double r_y, /* y radius */
- double xar, /* x-axis-rotation (deg!) */
- double a_0, /* start angle */
- double a_1, /* stop angle */
- int a_d /* arc orientation */
- )
-{
- double b, b_x, b_y;
- double d_a, q;
- pdf_coord p0, p1, p2, p3;
- pdf_coord e0, e1;
- pdf_tmatrix T;
- int n_c; /* number of segments */
- int i, error = 0;
-
- if (fabs(r_x) < 1.e-8 ||
- fabs(r_y) < 1.e-8)
- return -1;
-
- if (a_d < 0) {
- for ( ; a_1 > a_0; a_1 -= 360.0);
- } else {
- for ( ; a_1 < a_0; a_0 -= 360.0);
- }
-
- d_a = a_1 - a_0;
- for (n_c = 1; fabs(d_a) > 90.0 * n_c; n_c++);
- d_a /= n_c;
- if (fabs(d_a) < 1.e-8)
- return -1;
-
- a_0 *= M_PI / 180.0;
- a_1 *= M_PI / 180.0;
- d_a *= M_PI / 180.0;
- xar *= M_PI / 180.0;
- T.a = cos(xar); T.c = -sin(xar);
- T.b = -T.c ; T.d = T.a;
- T.e = 0.0 ; T.f = 0.0;
-
- /* A parameter that controls cb-curve (off-curve) points */
- b = 4.0 * (1.0 - cos(.5 * d_a)) / (3.0 * sin(.5 * d_a));
- b_x = r_x * b;
- b_y = r_y * b;
-
- p0.x = r_x * cos(a_0);
- p0.y = r_y * sin(a_0);
- pdf_coord__transform(&p0, &T);
- p0.x += ca->x; p0.y += ca->y;
- if (PA_LENGTH(pa) == 0) {
- pdf_path__moveto(pa, cp, &p0);
- } else if (!COORD_EQUAL(cp, &p0)) {
- pdf_path__lineto(pa, cp, &p0); /* add line seg */
- }
- for (i = 0; !error && i < n_c; i++) {
- q = a_0 + i * d_a;
- e0.x = cos(q); e0.y = sin(q);
- e1.x = cos(q + d_a); e1.y = sin(q + d_a);
-
- /* Condition for tangent vector requirs
- * d1 = p1 - p0 = f ( sin a, -cos a)
- * d2 = p2 - p3 = g ( sin b, -cos b)
- * and from symmetry
- * g^2 = f^2
- */
- p0.x = r_x * e0.x; /* s.p. */
- p0.y = r_y * e0.y;
- p3.x = r_x * e1.x; /* e.p. */
- p3.y = r_y * e1.y;
-
- p1.x = -b_x * e0.y;
- p1.y = b_y * e0.x;
- p2.x = b_x * e1.y;
- p2.y = -b_y * e1.x;
-
- pdf_coord__transform(&p0, &T);
- pdf_coord__transform(&p1, &T);
- pdf_coord__transform(&p2, &T);
- pdf_coord__transform(&p3, &T);
- p0.x += ca->x; p0.y += ca->y;
- p3.x += ca->x; p3.y += ca->y;
- p1.x += p0.x ; p1.y += p0.y ;
- p2.x += p3.x ; p2.y += p3.y ;
-
- error = pdf_path__curveto(pa, &p0, &p1, &p2, &p3);
- cp->x = p3.x; cp->y = p3.y;
- }
-
- return error;
-}
-
-static int
-pdf_path__closepath (pdf_path *pa, pdf_coord *cp /* no arg */)
-{
- pa_elem *pe = NULL;
- int i;
-
- /* search for start point of the last subpath */
- for (i = PA_LENGTH(pa) - 1; i >= 0; i--) {
- pe = &pa->path[i];
- if (pe->type == PE_TYPE__MOVETO)
- break;
- }
-
- if (!pe || i < 0)
- return -1; /* No path or no start point(!) */
-
- cp->x = pe->p[0].x;
- cp->y = pe->p[0].y;
-
- pdf_path__growpath(pa, PA_LENGTH(pa) + 1);
-
- /* NOTE:
- * Manually closed path without closepath is not
- * affected by linejoin. A path with coincidental
- * starting and ending point is not the same as
- * 'closed' path.
- */
- pe = &pa->path[pa->num_paths++];
- pe->type = PE_TYPE__CLOSEPATH;
-
- return 0;
-}
-
-/*
- * x y width height re
- *
- * is equivalent to
- *
- * x y m
- * (x + width) y l
- * (x + width) (y + height) l
- * x (y + height) l
- * h
- */
-/* Just for quick test */
-static /* __inline__ */ int
-pdf_path__isarect (pdf_path *pa,
- int f_ir /* fill-rule is ignorable */
- )
-{
- pa_elem *pe0, *pe1, *pe2, *pe3, *pe4;
-
- if (PA_LENGTH(pa) == 5) {
- pe0 = &(pa->path[0]);
- pe1 = &(pa->path[1]);
- pe2 = &(pa->path[2]);
- pe3 = &(pa->path[3]);
- pe4 = &(pa->path[4]);
- if (pe0->type == PE_TYPE__MOVETO &&
- pe1->type == PE_TYPE__LINETO &&
- pe2->type == PE_TYPE__LINETO &&
- pe3->type == PE_TYPE__LINETO &&
- pe4->type == PE_TYPE__CLOSEPATH) {
- if (pe1->p[0].y - pe0->p[0].y == 0 &&
- pe2->p[0].x - pe1->p[0].x == 0 &&
- pe3->p[0].y - pe2->p[0].y == 0) {
- if (pe1->p[0].x - pe0->p[0].x
- == pe2->p[0].x - pe3->p[0].x) {
- return 1;
- }
- /* Winding number is different but ignore it here. */
- } else if (f_ir &&
- pe1->p[0].x - pe0->p[0].x == 0 &&
- pe2->p[0].y - pe1->p[0].y == 0 &&
- pe3->p[0].x - pe2->p[0].x == 0) {
- if (pe1->p[0].y - pe0->p[0].y
- == pe2->p[0].y - pe3->p[0].y) {
- return 1;
- }
- }
- }
- }
-
- return 0;
-}
-
-/* Path Painting */
-/* F is obsoleted */
-#define PT_OP_VALID(c) ( \
- (c) == 'f' || (c) == 'F' || \
- (c) == 's' || (c) == 'S' || \
- (c) == 'b' || (c) == 'B' || \
- (c) == 'W' \
-)
-
-static /* __inline__ */ int
-INVERTIBLE_MATRIX (const pdf_tmatrix *M)
-{
- if (fabs(detP(M)) < 1.e-8) {
- WARN("Transformation matrix not invertible.");
- WARN("--- M = [%g %g %g %g %g %g]",
- M->a, M->b, M->c, M->d, M->e, M->f);
- return -1;
- }
- return 0;
-}
-
-/* rectfill, rectstroke, rectclip, recteoclip
- *
- * Draw isolated rectangle without actually doing
- * gsave/grestore operation.
- *
- * TODO:
- * linestyle, fill-opacity, stroke-opacity,....
- * As this routine draw a single graphics object
- * each time, there should be options for specifying
- * various drawing styles, which might inherite
- * current graphcs state parameter.
- */
-static int
-pdf_dev__rectshape (pdf_dev *P,
- const pdf_rect *r,
- const pdf_tmatrix *M,
- char opchr
- )
-{
- char *buf = FORMAT_BUFF_PTR(P);
- int len = 0;
- int isclip = 0;
- pdf_coord p;
- double wd, ht;
-
- ASSERT(r && PT_OP_VALID(opchr));
-
- isclip = (opchr == 'W') ? 1 : 0;
-
- /* disallow matrix for clipping.
- * q ... clip Q does nothing and
- * n M cm ... clip n alter CTM.
- */
- if (M && (isclip ||
- !INVERTIBLE_MATRIX(M)))
- return -1;
-
- graphics_mode();
-
- buf[len++] = ' ';
- if (!isclip) {
- buf[len++] = 'q';
- if (M) {
- buf[len++] = ' ';
- len += pdf_sprint_matrix(buf + len, M);
- buf[len++] = ' ';
- buf[len++] = 'c'; buf[len++] = 'm';
- }
- buf[len++] = ' ';
- }
- buf[len++] = 'n';
-
- p.x = r->llx; p.y = r->lly;
- wd = r->urx - r->llx;
- ht = r->ury - r->lly;
- buf[len++] = ' ';
- len += pdf_sprint_coord (buf + len, &p);
- buf[len++] = ' ';
- len += pdf_sprint_length(buf + len, wd);
- buf[len++] = ' ';
- len += pdf_sprint_length(buf + len, ht);
- buf[len++] = ' ';
- buf[len++] = 'r'; buf[len++] = 'e';
-
- {
- buf[len++] = ' ';
- buf[len++] = opchr;
-
- buf[len++] = ' ';
- buf[len++] = isclip ? 'n' : 'Q';
- }
-
- pdf_doc_add_page_content(buf, len); /* op: q cm n re Q */
-
- return 0;
-}
-
-/* FIXME */
-static int
-pdf_dev__flushpath (pdf_dev *P,
- pdf_path *pa,
- char opchr,
- int rule,
- int ignore_rule)
-{
- pa_elem *pe, *pe1;
- char *b = FORMAT_BUFF_PTR(P);
- long b_len = FORMAT_BUFF_LEN(P);
- pdf_rect r; /* FIXME */
- pdf_coord *pt;
- int n_pts, n_seg;
- int len = 0;
- int isrect, i, j;
-
- ASSERT(pa && PT_OP_VALID(opchr));
-
- if (PA_LENGTH(pa) <= 0)
- return 0;
-
- graphics_mode();
- isrect = pdf_path__isarect(pa, ignore_rule);
- if (isrect) {
- pe = &(pa->path[0]);
- pe1 = &(pa->path[2]);
-
- r.llx = pe->p[0].x;
- r.lly = pe->p[0].y;
- r.urx = pe1->p[0].x - pe->p[0].x; /* width... */
- r.ury = pe1->p[0].y - pe->p[0].y; /* height... */
-
- b[len++] = ' ';
- len += pdf_sprint_rect(b + len, &r);
- b[len++] = ' ';
- b[len++] = 'r';
- b[len++] = 'e';
- pdf_doc_add_page_content(b, len); /* op: re */
- len = 0;
- } else {
- n_seg = PA_LENGTH(pa);
- for (i = 0, len = 0, pe = &pa->path[0];
- i < n_seg; pe++, i++) {
- n_pts = PE_N_PTS(pe);
- for (j = 0, pt = &pe->p[0];
- j < n_pts; j++, pt++) {
- b[len++] = ' ';
- len += pdf_sprint_coord(b + len, pt);
- }
- b[len++] = ' ';
- b[len++] = PE_OPCHR(pe);
- if (len + 128 > b_len) {
- pdf_doc_add_page_content(b, len); /* op: m l c v y h */
- len = 0;
- }
- }
- if (len > 0) {
- pdf_doc_add_page_content(b, len); /* op: m l c v y h */
- len = 0;
- }
- }
-
- b[len++] = ' ';
- b[len++] = opchr;
- if (rule == PDF_FILL_RULE_EVENODD)
- b[len++] = '*';
-
- pdf_doc_add_page_content(b, len); /* op: f F s S b B W f* F* s* S* b* B* W* */
-
- return 0;
-}
-
-
-/* Graphics State */
-typedef struct pdf_gstate_
-{
- pdf_coord cp;
-
- pdf_tmatrix matrix; /* cm, - */
-
- pdf_color strokecolor;
- pdf_color fillcolor;
- /* colorspace here */
-
- struct {
- int num_dash;
- double pattern[PDF_DASH_SIZE_MAX];
- double offset;
- } linedash; /* d, D */
-
- double linewidth; /* w, LW */
-
- int linecap; /* J, LC */
- int linejoin; /* j, LJ */
- double miterlimit; /* M, ML */
-
- int flatness; /* i, FL, 0 to 100 (0 for use device-default) */
-
- /* internal */
- pdf_path path;
- long flags;
-} pdf_gstate;
-
-
-typedef struct m_stack_elem
-{
- void *data;
- struct m_stack_elem *prev;
-} m_stack_elem;
-
-typedef struct m_stack
-{
- int size;
- m_stack_elem *top;
- m_stack_elem *bottom;
-} m_stack;
-
-static void
-m_stack_init (m_stack *stack)
-{
- ASSERT(stack);
-
- stack->size = 0;
- stack->top = NULL;
- stack->bottom = NULL;
-
- return;
-}
-
-static void
-m_stack_push (m_stack *stack, void *data)
-{
- m_stack_elem *elem;
-
- ASSERT(stack);
-
- elem = NEW(1, m_stack_elem);
- elem->prev = stack->top;
- elem->data = data;
-
- stack->top = elem;
- if (stack->size == 0)
- stack->bottom = elem;
-
- stack->size++;
-
- return;
-}
-
-static void *
-m_stack_pop (m_stack *stack)
-{
- m_stack_elem *elem;
- void *data;
-
- ASSERT(stack);
-
- if (stack->size == 0)
- return NULL;
-
- data = stack->top->data;
- elem = stack->top;
- stack->top = elem->prev;
- if (stack->size == 1)
- stack->bottom = NULL;
- RELEASE(elem);
-
- stack->size--;
-
- return data;
-}
-
-static void *
-m_stack_top (m_stack *stack)
-{
- void *data;
-
- ASSERT(stack);
-
- if (stack->size == 0)
- return NULL;
-
- data = stack->top->data;
-
- return data;
-}
-
-#define m_stack_depth(s) ((s)->size)
-
-static m_stack gs_stack;
-
-static void
-init_a_gstate (pdf_gstate *gs)
-{
- gs->cp.x = 0.0;
- gs->cp.y = 0.0;
-
- pdf_setmatrix(&gs->matrix, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
-
- pdf_color_black(&gs->strokecolor);
- pdf_color_black(&gs->fillcolor);
-
- gs->linedash.num_dash = 0;
- gs->linedash.offset = 0;
- gs->linecap = 0;
- gs->linejoin = 0;
- gs->linewidth = 1.0;
- gs->miterlimit = 10.0;
-
- gs->flatness = 1; /* default to 1 in PDF */
-
- /* Internal variables */
- gs->flags = 0;
- init_a_path(&gs->path);
-
- return;
-}
-
-static void
-clear_a_gstate (pdf_gstate *gs)
-{
- clear_a_path(&gs->path);
- memset(gs, 0, sizeof(pdf_gstate));
-
- return;
-}
-
-static void
-copy_a_gstate (pdf_gstate *gs1, pdf_gstate *gs2)
-{
- int i;
-
- ASSERT(gs1 && gs2);
-
- gs1->cp.x = gs2->cp.x;
- gs1->cp.y = gs2->cp.y;
-
- pdf_copymatrix(&gs1->matrix, &gs2->matrix);
-
- /* TODO:
- * Path should be linked list and gsave only
- * record starting point within path rather than
- * copying whole path.
- */
- pdf_path__copypath(&gs1->path, &gs2->path);
-
- gs1->linedash.num_dash = gs2->linedash.num_dash;
- for (i = 0; i < gs2->linedash.num_dash; i++) {
- gs1->linedash.pattern[i] = gs2->linedash.pattern[i];
- }
- gs1->linedash.offset = gs2->linedash.offset;
-
- gs1->linecap = gs2->linecap;
- gs1->linejoin = gs2->linejoin;
- gs1->linewidth = gs2->linewidth;
- gs1->miterlimit = gs2->miterlimit;
- gs1->flatness = gs2->flatness;
-
- pdf_color_copycolor(&gs1->fillcolor , &gs2->fillcolor);
- pdf_color_copycolor(&gs1->strokecolor, &gs2->strokecolor);
-
- return;
-}
-
-void
-pdf_dev_init_gstates (void)
-{
- pdf_gstate *gs;
-
- m_stack_init(&gs_stack);
-
- gs = NEW(1, pdf_gstate);
- init_a_gstate(gs);
-
- m_stack_push(&gs_stack, gs); /* Initial state */
-
- return;
-}
-
-void
-pdf_dev_clear_gstates (void)
-{
- pdf_gstate *gs;
-
- if (m_stack_depth(&gs_stack) > 1) /* at least 1 elem. */
- WARN("GS stack depth is not zero at the end of the document.");
-
- while ((gs = m_stack_pop(&gs_stack)) != NULL) {
- clear_a_gstate(gs);
- RELEASE(gs);
- }
- return;
-}
-
-int
-pdf_dev_gsave (void)
-{
- pdf_gstate *gs0, *gs1;
-
- gs0 = m_stack_top(&gs_stack);
- gs1 = NEW(1, pdf_gstate);
- init_a_gstate(gs1);
- copy_a_gstate(gs1, gs0);
- m_stack_push(&gs_stack, gs1);
-
- pdf_doc_add_page_content(" q", 2); /* op: q */
-
- return 0;
-}
-
-int
-pdf_dev_grestore (void)
-{
- pdf_gstate *gs;
-
- if (m_stack_depth(&gs_stack) <= 1) { /* Initial state at bottom */
- WARN("Too many grestores.");
- return -1;
- }
-
- gs = m_stack_pop(&gs_stack);
- clear_a_gstate(gs);
- RELEASE(gs);
-
- pdf_doc_add_page_content(" Q", 2); /* op: Q */
-
- pdf_dev_reset_fonts();
-
- return 0;
-}
-
-
-int
-pdf_dev_push_gstate (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs0;
-
- gs0 = NEW(1, pdf_gstate);
-
- init_a_gstate(gs0);
-
- m_stack_push(gss, gs0);
-
- return 0;
-}
-
-
-int
-pdf_dev_pop_gstate (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs;
-
- if (m_stack_depth(gss) <= 1) { /* Initial state at bottom */
- WARN("Too many grestores.");
- return -1;
- }
-
- gs = m_stack_pop(gss);
- clear_a_gstate(gs);
- RELEASE(gs);
-
- return 0;
-}
-
-
-int
-pdf_dev_current_depth (void)
-{
- return (m_stack_depth(&gs_stack) - 1); /* 0 means initial state */
-}
-
-void
-pdf_dev_grestore_to (int depth)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs;
-
- ASSERT(depth >= 0);
-
- if (m_stack_depth(gss) > depth + 1) {
- WARN("Closing pending transformations at end of page/XObject.");
- }
-
- while (m_stack_depth(gss) > depth + 1) {
- pdf_doc_add_page_content(" Q", 2); /* op: Q */
- gs = m_stack_pop(gss);
- clear_a_gstate(gs);
- RELEASE(gs);
- }
- pdf_dev_reset_fonts();
-
- return;
-}
-
-int
-pdf_dev_currentpoint (pdf_coord *p)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_coord *cpt = &gs->cp;
-
- ASSERT(p);
-
- p->x = cpt->x; p->y = cpt->y;
-
- return 0;
-}
-
-int
-pdf_dev_currentmatrix (pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_tmatrix *CTM = &gs->matrix;
-
- ASSERT(M);
-
- pdf_copymatrix(M, CTM);
-
- return 0;
-}
-
-#if 0
-int
-pdf_dev_currentcolor (pdf_color *color, int is_fill)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_color *fcl = &gs->fillcolor;
- pdf_color *scl = &gs->strokecolor;
-
- ASSERT(color);
-
- pdf_color_copycolor(color, is_fill ? fcl : scl);
-
- return 0;
-}
-#endif /* 0 */
-
-#ifndef XETEX
-/*
- * mask == 0 means stroking color, mask == 0x20 nonstroking color
- *
- * force == 1 means that operators will be generated even if
- * the color is the same as the current graphics state color
- */
-void
-pdf_dev_set_color (const pdf_color *color, char mask, int force)
-{
- int len;
-
- pdf_gstate *gs = m_stack_top(&gs_stack);
- pdf_color *current = mask ? &gs->fillcolor : &gs->strokecolor;
-
- ASSERT(pdf_color_is_valid(color));
-
- if (!(pdf_dev_get_param(PDF_DEV_PARAM_COLORMODE) &&
- (force || pdf_color_compare(color, current))))
- /* If "color" is already the current color, then do nothing
- * unless a color operator is forced
- */
- return;
-
- graphics_mode();
- len = pdf_color_to_string(color, fmt_buf);
- fmt_buf[len++] = ' ';
- switch (pdf_color_type(color)) {
- case PDF_COLORSPACE_TYPE_RGB:
- fmt_buf[len++] = 'R' | mask;
- fmt_buf[len++] = 'G' | mask;
- break;
- case PDF_COLORSPACE_TYPE_CMYK:
- fmt_buf[len++] = 'K' | mask;
- break;
- case PDF_COLORSPACE_TYPE_GRAY:
- fmt_buf[len++] = 'G' | mask;
- break;
- default: /* already verified the given color */
- break;
- }
- pdf_doc_add_page_content(fmt_buf, len); /* op: RG K G rg k g */
-
- pdf_color_copycolor(current, color);
-}
-
-void
-pdf_dev_reset_color (int force)
-{
- pdf_color *sc, *fc;
-
- pdf_color_get_current(&sc, &fc);
- pdf_dev_set_color(sc, 0, force);
- pdf_dev_set_color(fc, 0x20, force);
-}
-#endif
-
-int
-pdf_dev_concat (const pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_tmatrix *CTM = &gs->matrix;
- pdf_tmatrix W = {0, 0, 0, 0, 0, 0}; /* Init to avoid compiler warning */
- char *buf = FORMAT_BUFF_PTR(NULL);
- int len = 0;
-
- ASSERT(M);
-
- /* Adobe Reader erases page content if there are
- * non invertible transformation.
- */
- if (fabs(detP(M)) < 1.0e-8) {
- WARN("Transformation matrix not invertible.");
- WARN("--- M = [%g %g %g %g %g %g]",
- M->a, M->b, M->c, M->d, M->e, M->f);
- return -1;
- }
-
- {
- buf[len++] = ' ';
- len += pdf_sprint_matrix(buf + len, M);
- buf[len++] = ' ';
- buf[len++] = 'c';
- buf[len++] = 'm';
- pdf_doc_add_page_content(buf, len); /* op: cm */
-
- pdf_concatmatrix(CTM, M);
- }
- inversematrix(&W, M);
-
- pdf_path__transform (cpa, &W);
- pdf_coord__transform(cpt, &W);
-
- return 0;
-}
-
-/*
- * num w LW linewidth (g.t. 0)
- * int J LC linecap
- * int j LJ linejoin
- * num M ML miter limit (g.t. 0)
- * array num d D line dash
- * int ri RI renderint intnet
- * int i FL flatness tolerance (0-100)
- * name gs -- name: res. name of ExtGState dict.
- */
-int
-pdf_dev_setmiterlimit (double mlimit)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
-
- if (gs->miterlimit != mlimit) {
- buf[len++] = ' ';
- len += pdf_sprint_length(buf + len, mlimit);
- buf[len++] = ' ';
- buf[len++] = 'M';
- pdf_doc_add_page_content(buf, len); /* op: M */
- gs->miterlimit = mlimit;
- }
-
- return 0;
-}
-
-int
-pdf_dev_setlinecap (int capstyle)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
-
- if (gs->linecap != capstyle) {
- len = sprintf(buf, " %d J", capstyle);
- pdf_doc_add_page_content(buf, len); /* op: J */
- gs->linecap = capstyle;
- }
-
- return 0;
-}
-
-int
-pdf_dev_setlinejoin (int joinstyle)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
-
- if (gs->linejoin != joinstyle) {
- len = sprintf(buf, " %d j", joinstyle);
- pdf_doc_add_page_content(buf, len); /* op: j */
- gs->linejoin = joinstyle;
- }
-
- return 0;
-}
-
-int
-pdf_dev_setlinewidth (double width)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
-
- if (gs->linewidth != width) {
- buf[len++] = ' ';
- len += pdf_sprint_length(buf + len, width);
- buf[len++] = ' ';
- buf[len++] = 'w';
- pdf_doc_add_page_content(buf, len); /* op: w */
- gs->linewidth = width;
- }
-
- return 0;
-}
-
-int
-pdf_dev_setdash (int count, double *pattern, double offset)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
- int i;
-
- gs->linedash.num_dash = count;
- gs->linedash.offset = offset;
- pdf_doc_add_page_content(" [", 2); /* op: */
- for (i = 0; i < count; i++) {
- buf[0] = ' ';
- len = pdf_sprint_length (buf + 1, pattern[i]);
- pdf_doc_add_page_content(buf, len + 1); /* op: */
- gs->linedash.pattern[i] = pattern[i];
- }
- pdf_doc_add_page_content("] ", 2); /* op: */
- len = pdf_sprint_length (buf, offset);
- pdf_doc_add_page_content(buf, len); /* op: */
- pdf_doc_add_page_content(" d", 2); /* op: d */
-
- return 0;
-}
-
-#if 0
-int
-pdf_dev_setflat (int flatness)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- int len = 0;
- char *buf = FORMAT_BUFF_PTR(NULL);
-
- if (flatness < 0 || flatness > 100)
- return -1;
-
- if (gs->flatness != flatness) {
- gs->flatness = flatness;
- len = sprintf(buf, " %d i", flatness);
- pdf_doc_add_page_content(buf, len); /* op: i */
- }
-
- return 0;
-}
-#endif
-
-/* ZSYUEDVEDEOF */
-int
-pdf_dev_clip (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
-
- return pdf_dev__flushpath(NULL, cpa, 'W', PDF_FILL_RULE_NONZERO, 0);
-}
-
-int
-pdf_dev_eoclip (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
-
- return pdf_dev__flushpath(NULL, cpa, 'W', PDF_FILL_RULE_EVENODD, 0);
-}
-
-int
-pdf_dev_flushpath (char p_op, int fill_rule)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- int error = 0;
-
- /* last arg 'ignore_rule' is only for single object
- * that can be converted to a rect where fill rule
- * is inessential.
- */
- error = pdf_dev__flushpath(NULL, cpa, p_op, fill_rule, 1);
- pdf_path__clearpath(cpa);
-
- gs->flags &= ~GS_FLAG_CURRENTPOINT_SET;
-
- return error;
-}
-
-int
-pdf_dev_newpath (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *p = &gs->path;
-
- if (PA_LENGTH(p) > 0) {
- pdf_path__clearpath (p);
- }
- /* The following is required for "newpath" operator in mpost.c. */
- pdf_doc_add_page_content(" n", 2); /* op: n */
-
- return 0;
-}
-
-int
-pdf_dev_moveto (double x, double y)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p;
-
- p.x = x; p.y = y;
- return pdf_path__moveto(cpa, cpt, &p); /* cpt updated */
-}
-
-int
-pdf_dev_rmoveto (double x, double y)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p;
-
- p.x = cpt->x + x;
- p.y = cpt->y + y;
- return pdf_path__moveto(cpa, cpt, &p); /* cpt updated */
-}
-
-int
-pdf_dev_lineto (double x, double y)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0;
-
- p0.x = x; p0.y = y;
-
- return pdf_path__lineto(cpa, cpt, &p0);
-}
-
-int
-pdf_dev_rlineto (double x, double y)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0;
-
- p0.x = x + cpt->x; p0.y = y + cpt->y;
-
- return pdf_path__lineto(cpa, cpt, &p0);
-}
-
-int
-pdf_dev_curveto (double x0, double y0,
- double x1, double y1,
- double x2, double y2)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0, p1, p2;
-
- p0.x = x0; p0.y = y0;
- p1.x = x1; p1.y = y1;
- p2.x = x2; p2.y = y2;
-
- return pdf_path__curveto(cpa, cpt, &p0, &p1, &p2);
-}
-
-#ifdef XETEX
-int
-pdf_dev_vcurveto (double x0, double y0,
- double x1, double y1)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0, p1;
-
- p0.x = x0; p0.y = y0;
- p1.x = x1; p1.y = y1;
-
- return pdf_path__curveto(cpa, cpt, cpt, &p0, &p1);
-}
-
-int
-pdf_dev_ycurveto (double x0, double y0,
- double x1, double y1)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0, p1;
-
- p0.x = x0; p0.y = y0;
- p1.x = x1; p1.y = y1;
-
- return pdf_path__curveto(cpa, cpt, &p0, &p1, &p1);
-}
-#endif
-
-int
-pdf_dev_rcurveto (double x0, double y0,
- double x1, double y1,
- double x2, double y2)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p0, p1, p2;
-
- p0.x = x0 + cpt->x; p0.y = y0 + cpt->y;
- p1.x = x1 + cpt->x; p1.y = y1 + cpt->y;
- p2.x = x2 + cpt->x; p2.y = y2 + cpt->y;
-
- return pdf_path__curveto(cpa, cpt, &p0, &p1, &p2);
-}
-
-
-int
-pdf_dev_closepath (void)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_coord *cpt = &gs->cp;
- pdf_path *cpa = &gs->path;
-
- return pdf_path__closepath(cpa, cpt);
-}
-
-
-void
-pdf_dev_dtransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_tmatrix *CTM = &gs->matrix;
-
- ASSERT(p);
-
- pdf_coord__dtransform(p, (M ? M : CTM));
-
- return;
-}
-
-void
-pdf_dev_idtransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_tmatrix *CTM = &gs->matrix;
-
- ASSERT(p);
-
- pdf_coord__idtransform(p, (M ? M : CTM));
-
- return;
-}
-
-void
-pdf_dev_transform (pdf_coord *p, const pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_tmatrix *CTM = &gs->matrix;
-
- ASSERT(p);
-
- pdf_coord__transform(p, (M ? M : CTM));
-
- return;
-}
-
-#if 0
-void
-pdf_dev_itransform (pdf_coord *p, const pdf_tmatrix *M)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_tmatrix *CTM = &gs->matrix;
-
- ASSERT(p);
-
- pdf_coord__itransform(p, (M ? M : CTM));
-
- return;
-}
-#endif
-
-int
-pdf_dev_arc (double c_x , double c_y, double r,
- double a_0 , double a_1)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord c;
-
- c.x = c_x; c.y = c_y;
-
- return pdf_path__elliptarc(cpa, cpt, &c, r, r, 0.0, a_0, a_1, +1);
-}
-
-/* *negative* arc */
-int
-pdf_dev_arcn (double c_x , double c_y, double r,
- double a_0 , double a_1)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord c;
-
- c.x = c_x; c.y = c_y;
-
- return pdf_path__elliptarc(cpa, cpt, &c, r, r, 0.0, a_0, a_1, -1);
-}
-
-int
-pdf_dev_arcx (double c_x , double c_y,
- double r_x , double r_y,
- double a_0 , double a_1,
- int a_d ,
- double xar)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord c;
-
- c.x = c_x; c.y = c_y;
-
- return pdf_path__elliptarc(cpa, cpt, &c, r_x, r_y, xar, a_0, a_1, a_d);
-}
-
-/* Required by Tpic */
-int
-pdf_dev_bspline (double x0, double y0,
- double x1, double y1, double x2, double y2)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- pdf_path *cpa = &gs->path;
- pdf_coord *cpt = &gs->cp;
- pdf_coord p1, p2, p3;
-
- p1.x = x0 + 2.0 * (x1 - x0) / 3.0;
- p1.y = y0 + 2.0 * (y1 - y0) / 3.0;
- p2.x = x1 + (x2 - x1) / 3.0;
- p2.y = y1 + (y2 - y1) / 3.0;
- p3.x = x2;
- p3.y = y2;
-
- return pdf_path__curveto(cpa, cpt, &p1, &p2, &p3);
-}
-
-#if 0
-int
-pdf_dev_rectstroke (double x, double y,
- double w, double h,
- const pdf_tmatrix *M /* optional */
- )
-{
- pdf_rect r;
-
- r.llx = x;
- r.lly = y;
- r.urx = x + w;
- r.ury = y + h;
-
- return pdf_dev__rectshape(NULL, &r, M, 'S');
-}
-#endif
-
-int
-pdf_dev_rectfill (double x, double y,
- double w, double h)
-{
- pdf_rect r;
-
- r.llx = x;
- r.lly = y;
- r.urx = x + w;
- r.ury = y + h;
-
- return pdf_dev__rectshape(NULL, &r, NULL, 'f');
-}
-
-int
-pdf_dev_rectclip (double x, double y,
- double w, double h)
-{
- pdf_rect r;
-
- r.llx = x;
- r.lly = y;
- r.urx = x + w;
- r.ury = y + h;
-
- return pdf_dev__rectshape(NULL, &r, NULL, 'W');
-}
-
-#ifdef XETEX
-int
-pdf_dev_rectadd (double x, double y,
- double w, double h)
-{
- pdf_rect r;
-
- r.llx = x;
- r.lly = y;
- r.urx = x + w;
- r.ury = y + h;
- path_added = 1;
-
- return pdf_dev__rectshape(NULL, &r, NULL, ' ');
-}
-
-void
-pdf_dev_set_fixed_point (double x, double y)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- gs->pt_fixee.x = x;
- gs->pt_fixee.y = y;
-}
-
-void
-pdf_dev_get_fixed_point (pdf_coord *p)
-{
- m_stack *gss = &gs_stack;
- pdf_gstate *gs = m_stack_top(gss);
- p->x = gs->pt_fixee.x;
- p->y = gs->pt_fixee.y;
-}
-#endif