3 Part of the swftools package.
5 Copyright (c) 2005 Matthias Kramm <kramm@quiss.org>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
27 #include "../gfxdevice.h"
28 #include "../gfxtools.h"
29 #include "../art/libart.h"
30 #include "artsutils.c"
32 typedef struct _clip {
37 typedef struct _internal {
43 static int verbose = 0;
44 static void dbg(char*format, ...)
51 va_start(arglist, format);
52 vsprintf(buf, format, arglist);
55 while(l && buf[l-1]=='\n') {
59 printf("(device-arts) %s\n", buf);
63 int arts_setparameter(struct _gfxdevice*dev, const char*key, const char*value)
65 dbg("arts_setparameter");
66 internal_t*i = (internal_t*)dev->internal;
67 if(i->out) return i->out->setparameter(i->out,key,value);
71 void arts_startpage(struct _gfxdevice*dev, int width, int height)
73 dbg("arts_startpage");
74 internal_t*i = (internal_t*)dev->internal;
75 if(i->out) i->out->startpage(i->out,width,height);
78 void arts_startclip(struct _gfxdevice*dev, gfxline_t*line)
80 dbg("arts_startclip");
81 internal_t*i = (internal_t*)dev->internal;
82 ArtSVP* svp = gfxfillToSVP(line, 1);
84 svp = art_svp_rewind_uncrossed(art_svp_uncross(svp),ART_WIND_RULE_ODDEVEN); /*FIXME*/
87 ArtSVP*old = i->clip->svp;
89 i->clip = (clip_t*)rfx_calloc(sizeof(clip_t));
91 i->clip->svp = art_svp_intersect(svp, old);
94 i->clip = (clip_t*)rfx_calloc(sizeof(clip_t));
99 void arts_endclip(struct _gfxdevice*dev)
102 internal_t*i = (internal_t*)dev->internal;
105 clip_t*old = i->clip;
106 i->clip = i->clip->next;
107 art_svp_free(old->svp);old->svp = 0;
108 old->next = 0;free(old);
110 fprintf(stderr, "Error: endclip without startclip\n");
114 void addtounion(struct _gfxdevice*dev, ArtSVP*svp)
116 internal_t*i = (internal_t*)dev->internal;
118 ArtSVP*old = i->svpunion;
119 i->svpunion = art_svp_union(svp,i->svpunion);
124 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)
127 internal_t*i = (internal_t*)dev->internal;
128 //i->out->stroke(i->out, line, width, color, cap_style, joint_style, miterLimit);
129 ArtSVP* svp = gfxstrokeToSVP(line, width, cap_style, joint_style, miterLimit);
132 svp = art_svp_intersect(svp, i->clip->svp);
136 gfxline_t*gfxline = SVPtogfxline(svp);
137 if(i->out) i->out->fill(i->out, gfxline, color);
142 void arts_fill(struct _gfxdevice*dev, gfxline_t*line, gfxcolor_t*color)
145 internal_t*i = (internal_t*)dev->internal;
146 ArtSVP* svp = gfxfillToSVP(line, 1);
148 svp = art_svp_rewind_uncrossed(art_svp_uncross(svp),ART_WIND_RULE_ODDEVEN); /*FIXME*/
152 svp = art_svp_intersect(svp, i->clip->svp);
156 gfxline_t*gfxline = SVPtogfxline(svp);
157 if(i->out) i->out->fill(i->out, gfxline, color);
162 void arts_fillbitmap(struct _gfxdevice*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t*matrix, gfxcxform_t*cxform)
164 dbg("arts_fillbitmap");
165 internal_t*i = (internal_t*)dev->internal;
166 ArtSVP* svp = gfxfillToSVP(line, 1);
169 svp = art_svp_intersect(svp, i->clip->svp);
173 gfxline_t*gfxline = SVPtogfxline(svp);
174 if(i->out) i->out->fillbitmap(i->out, gfxline, img, matrix, cxform);
179 void arts_fillgradient(struct _gfxdevice*dev, gfxline_t*line, gfxgradient_t*gradient, gfxgradienttype_t type, gfxmatrix_t*matrix)
181 dbg("arts_fillgradient");
182 internal_t*i = (internal_t*)dev->internal;
183 ArtSVP* svp = gfxfillToSVP(line, 1);
186 svp = art_svp_intersect(svp, i->clip->svp);
190 gfxline_t*gfxline = SVPtogfxline(svp);
191 if(i->out) i->out->fillgradient(i->out, gfxline, gradient, type, matrix);
196 void arts_addfont(struct _gfxdevice*dev, gfxfont_t*font)
199 internal_t*i = (internal_t*)dev->internal;
200 if(i->out) i->out->addfont(i->out, font);
203 void arts_drawchar(struct _gfxdevice*dev, gfxfont_t*font, int glyphnr, gfxcolor_t*color, gfxmatrix_t*matrix)
205 dbg("arts_drawchar");
206 internal_t*i = (internal_t*)dev->internal;
207 gfxline_t*glyph = gfxline_clone(font->glyphs[glyphnr].line);
208 gfxline_transform(glyph, matrix);
211 gfxbbox_t bbox = gfxline_getbbox(glyph);
212 ArtSVP*dummybox = boxToSVP(bbox.xmin,bbox.ymin,bbox.xmax,bbox.ymax);
213 ArtSVP*svp = art_svp_intersect(dummybox, i->clip->svp);
214 gfxline_t*gfxline = SVPtogfxline(svp);
215 gfxbbox_t bbox2 = gfxline_getbbox(gfxline);
216 double w = bbox2.xmax - bbox2.xmin;
217 double h = bbox2.ymax - bbox2.ymin;
219 addtounion(dev, svp); // TODO: use the whole char, not just the bbox
221 if(w < 0.001 || h < 0.001) /* character was clipped completely */ {
222 } else if(fabs((bbox.xmax - bbox.xmin) - w) > 0.05 ||
223 fabs((bbox.ymax - bbox.ymin) - h) > 0.05) {
224 /* notable change in character size: character was clipped
225 TODO: handle diagonal cuts
227 arts_fill(dev, glyph, color);
229 if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
232 if(i->out) i->out->drawchar(i->out, font, glyphnr, color, matrix);
238 void arts_drawlink(struct _gfxdevice*dev, gfxline_t*line, char*action)
240 dbg("arts_drawlink");
241 internal_t*i = (internal_t*)dev->internal;
242 if(i->out) i->out->drawlink(i->out, line, action);
245 void arts_endpage(struct _gfxdevice*dev)
248 internal_t*i = (internal_t*)dev->internal;
249 if(i->out) i->out->endpage(i->out);
252 gfxresult_t* arts_finish(struct _gfxdevice*dev)
255 internal_t*i = (internal_t*)dev->internal;
257 return i->out->finish(i->out);
263 gfxline_t*gfxdevice_union_getunion(struct _gfxdevice*dev)
265 internal_t*i = (internal_t*)dev->internal;
266 return SVPtogfxline(i->svpunion);
269 void gfxdevice_removeclippings_init(gfxdevice_t*dev, gfxdevice_t*out)
271 dbg("gfxdevice_removeclippings_init");
272 internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
273 memset(dev, 0, sizeof(gfxdevice_t));
275 dev->name = "removeclippings";
279 dev->setparameter = arts_setparameter;
280 dev->startpage = arts_startpage;
281 dev->startclip = arts_startclip;
282 dev->endclip = arts_endclip;
283 dev->stroke = arts_stroke;
284 dev->fill = arts_fill;
285 dev->fillbitmap = arts_fillbitmap;
286 dev->fillgradient = arts_fillgradient;
287 dev->addfont = arts_addfont;
288 dev->drawchar = arts_drawchar;
289 dev->drawlink = arts_drawlink;
290 dev->endpage = arts_endpage;
291 dev->finish = arts_finish;
297 void gfxdevice_union_init(gfxdevice_t*dev,gfxdevice_t*out)
299 dbg("gfxdevice_getunion_init");
300 internal_t*i = (internal_t*)rfx_calloc(sizeof(internal_t));
301 memset(dev, 0, sizeof(gfxdevice_t));
307 dev->setparameter = arts_setparameter;
308 dev->startpage = arts_startpage;
309 dev->startclip = arts_startclip;
310 dev->endclip = arts_endclip;
311 dev->stroke = arts_stroke;
312 dev->fill = arts_fill;
313 dev->fillbitmap = arts_fillbitmap;
314 dev->fillgradient = arts_fillgradient;
315 dev->addfont = arts_addfont;
316 dev->drawchar = arts_drawchar;
317 dev->drawlink = arts_drawlink;
318 dev->endpage = arts_endpage;
319 dev->finish = arts_finish;
322 i->svpunion = gfxstrokeToSVP(0, 0, 0, 0, 0);