X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fdevices%2Farts.c;fp=lib%2Fdevices%2Farts.c;h=a616220fb7338f91d1ab14e44c79fd2647faee2f;hb=117f182f5c9bfbcef24e2031ac2ce34f391dab85;hp=0000000000000000000000000000000000000000;hpb=758b93863607c62246c52d17616b041f8a72d6dc;p=swftools.git diff --git a/lib/devices/arts.c b/lib/devices/arts.c new file mode 100644 index 0000000..a616220 --- /dev/null +++ b/lib/devices/arts.c @@ -0,0 +1,228 @@ +/* arts.c + + Part of the swftools package. + + Copyright (c) 2005 Matthias Kramm + + 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 +#include +#include +#include +#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; +} +