+++ /dev/null
-/* arts.c
-
- Part of the swftools package.
-
- Copyright (c) 2005 Matthias Kramm <kramm@quiss.org>
-
- 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 */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#ifndef WIN32
-#include <unistd.h>
-#endif
-#include <memory.h>
-#include <string.h>
-#include <math.h>
-#include "../mem.h"
-#include "../gfxdevice.h"
-#include "../gfxtools.h"
-#include "../art/libart.h"
-#include "arts.h"
-#include "artsutils.h"
-
-typedef struct _clip {
- ArtSVP*svp;
- struct _clip*next;
-} clip_t;
-
-typedef struct _internal {
- gfxdevice_t*out;
- clip_t*clip;
- ArtSVP*svpunion;
-} internal_t;
-
-static int verbose = 0;
-
-static void dbg(char*format, ...)
-{
- if(!verbose)
- return;
- char buf[1024];
- int l;
- va_list arglist;
- va_start(arglist, format);
- vsprintf(buf, format, arglist);
- va_end(arglist);
- l = strlen(buf);
- while(l && buf[l-1]=='\n') {
- buf[l-1] = 0;
- l--;
- }
- printf("(device-arts) %s\n", buf);
- fflush(stdout);
-}
-
-int arts_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
-{
- dbg("arts_setparameter");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) return i->out->setparameter(i->out,key,value);
- else return 0;
-}
-
-void arts_startpage(struct _gfxdevice*dev, int width, int height)
-{
- dbg("arts_startpage");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) i->out->startpage(i->out,width,height);
-}
-
-void arts_startclip(struct _gfxdevice*dev, gfxline_t*line)
-{
- dbg("arts_startclip");
- internal_t*i = (internal_t*)dev->internal;
- ArtSVP* svp = gfxfillToSVP(line, 1);
-
- svp = art_svp_rewind_uncrossed(art_svp_uncross(svp),ART_WIND_RULE_ODDEVEN); /*FIXME*/
-
- if(i->clip) {
- ArtSVP*old = i->clip->svp;
- clip_t*n = i->clip;
- i->clip = (clip_t*)rfx_calloc(sizeof(clip_t));
- i->clip->next = n;
- i->clip->svp = art_svp_intersect(svp, old);
- art_svp_free(svp);
- } else {
- i->clip = (clip_t*)rfx_calloc(sizeof(clip_t));
- i->clip->svp = svp;
- }
-}
-
-void arts_endclip(struct _gfxdevice*dev)
-{
- dbg("arts_endclip");
- internal_t*i = (internal_t*)dev->internal;
-
- if(i->clip) {
- clip_t*old = i->clip;
- i->clip = i->clip->next;
- art_svp_free(old->svp);old->svp = 0;
- old->next = 0;free(old);
- } else {
- fprintf(stderr, "Error: endclip without startclip\n");
- }
-}
-
-void addtounion(struct _gfxdevice*dev, ArtSVP*svp)
-{
- internal_t*i = (internal_t*)dev->internal;
- if(i->svpunion) {
- ArtSVP*old = i->svpunion;
- i->svpunion = art_svp_union(svp,i->svpunion);
- art_svp_free(old);
- }
-}
-
-void arts_stroke(struct _gfxdevice*dev, gfxline_t*line, gfxcoord_t width, gfxcolor_t*color, gfx_capType cap_style, gfx_joinType joint_style, gfxcoord_t miterLimit)
-{
- dbg("arts_stroke");
- internal_t*i = (internal_t*)dev->internal;
- //i->out->stroke(i->out, line, width, color, cap_style, joint_style, miterLimit);
- ArtSVP* svp = gfxstrokeToSVP(line, width, cap_style, joint_style, miterLimit);
- if(i->clip) {
- ArtSVP*old = svp;
- svp = art_svp_intersect(svp, i->clip->svp);
- art_svp_free(old);
- }
- addtounion(dev,svp);
- gfxline_t*gfxline = SVPtogfxline(svp);
- if(i->out) i->out->fill(i->out, gfxline, color);
- free(gfxline);
- art_svp_free(svp);
-}
-
-void arts_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color)
-{
- dbg("arts_fill");
- internal_t*i = (internal_t*)dev->internal;
- ArtSVP* svp = gfxfillToSVP(line, 1);
-
- if (svp->n_segs > 500)
- {
- int lineParts = 0;
- gfxline_t* lineCursor = line;
- while(lineCursor != NULL)
- {
- if(lineCursor->type != gfx_moveTo) ++lineParts;
- lineCursor = lineCursor->next;
- }
- fprintf(stderr, "arts_fill abandonning shape with %d segments (%d line parts)\n", svp->n_segs, lineParts);
- art_svp_free(svp);
- return;
- }
-
- svp = art_svp_rewind_uncrossed(art_svp_uncross(svp),ART_WIND_RULE_ODDEVEN); /*FIXME*/
-
- if(i->clip) {
- ArtSVP*old = svp;
- svp = art_svp_intersect(svp, i->clip->svp);
- art_svp_free(old);
- }
- addtounion(dev,svp);
- gfxline_t*gfxline = SVPtogfxline(svp);
- if(i->out) i->out->fill(i->out, gfxline, color);
- free(gfxline);
- art_svp_free(svp);
-}
-
-void arts_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
-{
- dbg("arts_fillbitmap");
- internal_t*i = (internal_t*)dev->internal;
- ArtSVP* svp = gfxfillToSVP(line, 1);
-
- if(i->clip) {
- ArtSVP*old = svp;
- svp = art_svp_intersect(svp, i->clip->svp);
- art_svp_free(old);
- }
- addtounion(dev,svp);
- gfxline_t*gfxline = SVPtogfxline(svp);
- if(i->out) i->out->fillbitmap(i->out, gfxline, img, matrix, cxform);
- free(gfxline);
- art_svp_free(svp);
-}
-
-void arts_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
-{
- dbg("arts_fillgradient");
- internal_t*i = (internal_t*)dev->internal;
- ArtSVP* svp = gfxfillToSVP(line, 1);
- if(i->clip) {
- ArtSVP*old = svp;
- svp = art_svp_intersect(svp, i->clip->svp);
- art_svp_free(old);
- }
- addtounion(dev,svp);
- gfxline_t*gfxline = SVPtogfxline(svp);
- if(i->out) i->out->fillgradient(i->out, gfxline, gradient, type, matrix);
- free(gfxline);
- art_svp_free(svp);
-}
-
-void arts_addfont(struct _gfxdevice*dev, gfxfont_t*font)
-{
- dbg("arts_addfont");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) i->out->addfont(i->out, font);
-}
-
-void arts_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
-{
- dbg("arts_drawchar");
- if(!font)
- return;
- internal_t*i = (internal_t*)dev->internal;
- gfxline_t*glyph = gfxline_clone(font->glyphs[glyphnr].line);
- gfxline_transform(glyph, matrix);
-
- if(i->clip) {
- gfxbbox_t bbox = gfxline_getbbox(glyph);
- ArtSVP*dummybox = boxToSVP(bbox.xmin,bbox.ymin,bbox.xmax,bbox.ymax);
- ArtSVP*svp = art_svp_intersect(dummybox, i->clip->svp);
- gfxline_t*gfxline = SVPtogfxline(svp);
- gfxbbox_t bbox2 = gfxline_getbbox(gfxline);
- double w = bbox2.xmax - bbox2.xmin;
- double h = bbox2.ymax - bbox2.ymin;
-
- addtounion(dev, svp); // TODO: use the whole char, not just the bbox
-
- if(w < 0.001 || h < 0.001) /* character was clipped completely */ {
- } else if(fabs((bbox.xmax - bbox.xmin) - w) > 0.05 ||
- fabs((bbox.ymax - bbox.ymin) - h) > 0.05) {
- /* notable change in character size: character was clipped
- TODO: handle diagonal cuts
- */
- arts_fill(dev, glyph, color);
- } else {
- if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
- }
- } else {
- if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
- }
-
- gfxline_free(glyph);
-}
-
-void arts_drawlink(struct _gfxdevice*dev, gfxline_t*line, const char*action)
-{
- dbg("arts_drawlink");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) i->out->drawlink(i->out, line, action);
-}
-
-void arts_endpage(struct _gfxdevice*dev)
-{
- dbg("arts_endpage");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) i->out->endpage(i->out);
-}
-
-gfxresult_t* arts_finish(struct _gfxdevice*dev)
-{
- dbg("arts_finish");
- internal_t*i = (internal_t*)dev->internal;
- if(i->out) {
- return i->out->finish(i->out);
- } else {
- return 0;
- }
-}
-
-gfxline_t*gfxdevice_union_getunion(struct _gfxdevice*dev)
-{
- internal_t*i = (internal_t*)dev->internal;
- return SVPtogfxline(i->svpunion);
-}
-
-void gfxdevice_removeclippings_init(gfxdevice_t*dev, gfxdevice_t*out)
-{
- dbg("gfxdevice_removeclippings_init");
- internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
- memset(dev, 0, sizeof(gfxdevice_t));
-
- dev->name = "removeclippings";
-
- dev->internal = i;
-
- dev->setparameter = arts_setparameter;
- dev->startpage = arts_startpage;
- dev->startclip = arts_startclip;
- dev->endclip = arts_endclip;
- dev->stroke = arts_stroke;
- dev->fill = arts_fill;
- dev->fillbitmap = arts_fillbitmap;
- dev->fillgradient = arts_fillgradient;
- dev->addfont = arts_addfont;
- dev->drawchar = arts_drawchar;
- dev->drawlink = arts_drawlink;
- dev->endpage = arts_endpage;
- dev->finish = arts_finish;
-
- i->out = out;
- i->svpunion = 0;
-}
-
-void gfxdevice_union_init(gfxdevice_t*dev,gfxdevice_t*out)
-{
- dbg("gfxdevice_getunion_init");
- internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
- memset(dev, 0, sizeof(gfxdevice_t));
-
- dev->name = "union";
-
- dev->internal = i;
-
- dev->setparameter = arts_setparameter;
- dev->startpage = arts_startpage;
- dev->startclip = arts_startclip;
- dev->endclip = arts_endclip;
- dev->stroke = arts_stroke;
- dev->fill = arts_fill;
- dev->fillbitmap = arts_fillbitmap;
- dev->fillgradient = arts_fillgradient;
- dev->addfont = arts_addfont;
- dev->drawchar = arts_drawchar;
- dev->drawlink = arts_drawlink;
- dev->endpage = arts_endpage;
- dev->finish = arts_finish;
-
- i->out = out;
- i->svpunion = gfxstrokeToSVP(0, 0, gfx_capButt, gfx_joinMiter, 0);
-}
-
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