--- /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 <unistd.h>
+#include <memory.h>
+#include "../mem.h"
+#include "../gfxdevice.h"
+#include "../gfxtools.h"
+#include "../art/libart.h"
+#include "artsutils.c"
+
+typedef struct _clip {
+ ArtSVP*svp;
+ struct _clip*next;
+} clip_t;
+
+typedef struct _internal {
+ gfxdevice_t*out;
+ clip_t*clip;
+} internal_t;
+
+int arts_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ return i->out->setparameter(i->out,key,value);
+}
+
+void arts_startpage(struct _gfxdevice*dev, int width, int height)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ i->out->startpage(i->out,width,height);
+}
+
+void arts_startclip(struct _gfxdevice*dev, gfxline_t*line)
+{
+ 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 = rfx_calloc(sizeof(clip_t));
+ i->clip->svp = svp;
+ }
+}
+
+void arts_endclip(struct _gfxdevice*dev)
+{
+ 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 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)
+{
+ 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);
+ }
+ gfxline_t*gfxline = SVPtogfxline(svp);
+ 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)
+{
+ 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 = svp;
+ svp = art_svp_intersect(svp, i->clip->svp);
+ art_svp_free(old);
+ }
+ gfxline_t*gfxline = SVPtogfxline(svp);
+ 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)
+{
+ 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);
+ }
+ gfxline_t*gfxline = SVPtogfxline(svp);
+ 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)
+{
+ 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);
+ }
+ gfxline_t*gfxline = SVPtogfxline(svp);
+ i->out->fillgradient(i->out, gfxline, gradient, type, matrix);
+ free(gfxline);
+ art_svp_free(svp);
+}
+
+void arts_addfont(struct _gfxdevice*dev, gfxfont_t*font)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ i->out->addfont(i->out, font);
+}
+
+void arts_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
+{
+ 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;
+ 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 {
+ i->out->drawchar(i->out, font, glyphnr, color, matrix);
+ }
+ } else {
+ i->out->drawchar(i->out, font, glyphnr, color, matrix);
+ }
+
+ gfxline_free(glyph);
+}
+
+void arts_drawlink(struct _gfxdevice*dev, gfxline_t*line, char*action)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ i->out->drawlink(i->out, line, action);
+}
+
+void arts_endpage(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ i->out->endpage(i->out);
+}
+
+gfxresult_t* arts_finish(struct _gfxdevice*dev)
+{
+ internal_t*i = (internal_t*)dev->internal;
+ return i->out->finish(i->out);
+}
+
+void gfxdevice_arts_init(gfxdevice_t*dev, gfxdevice_t*out)
+{
+ internal_t*i = rfx_calloc(sizeof(internal_t));
+ memset(dev, 0, sizeof(gfxdevice_t));
+ 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;
+}
+