3 #include "../gfxdevice.h"
4 #include "../gfxsource.h"
5 #include "../gfxtools.h"
12 typedef struct _map16_t
17 typedef struct _swf_page_internal
20 } swf_page_internal_t;
22 typedef struct _swf_doc_internal
36 typedef struct _character
44 typedef struct _placement
51 typedef struct _sprite
64 typedef struct _render render_t;
67 static void placement_free(placement_t*p)
69 swf_PlaceObjectFree(&p->po);
73 //---- object/depth handling ----
77 map16_t*map = rfx_calloc(sizeof(map16_t));
78 /* TODO: replace this by a more sophisticated data structure */
79 map->ids = (void**)rfx_calloc(sizeof(character_t)*65536);
82 character_t*map16_get_id(map16_t*map, int id)
88 void map16_free(map16_t*map)
92 void map16_add_id(map16_t*map, int nr, void*id)
95 fprintf(stderr, "Warning: ID %d defined more than once\n", nr);
98 void map16_remove_id(map16_t*map, int nr)
102 void map16_enumerate(map16_t*map, void (*f)(void*self, int id, void*data), void*self)
105 for(t=0;t<65536;t++) {
107 f(self, t, map->ids[t]);
111 //---- conversion stuff ----
113 static void convertMatrix(MATRIX*from, gfxmatrix_t*to)
115 to->m00 = from->sx / 65536.0; to->m10 = from->r1 / 65536.0;
116 to->m01 = from->r0 / 65536.0; to->m11 = from->sy / 65536.0;
117 to->tx = from->tx/20.0;
118 to->ty = from->ty/20.0;
121 static void convertCXForm(CXFORM*from, gfxcxform_t*to)
123 memset(to, 0, sizeof(gfxcxform_t));
124 to->aa = from->a0 / 256.0;
125 to->rr = from->r0 / 256.0;
126 to->gg = from->g0 / 256.0;
127 to->bb = from->b0 / 256.0;
134 static gfxgradient_t* convertGradient(GRADIENT*from)
136 gfxgradient_t*g = rfx_calloc(from->num * sizeof(gfxgradient_t));
138 for(t=0;t<from->num;t++) {
139 g[t].pos = from->ratios[t] / 255.0;
140 g[t].color = *(gfxcolor_t*)&from->rgba[t];
149 gfxline_t* swfline_to_gfxline(SHAPELINE*line, int linestyle, int fillstyle0)
152 SCOORD x=0,y=0,xx=0,yy=0;
154 gfxdrawer_target_gfxline(&d);
155 if(line && line->type != moveTo) {
156 fprintf(stderr, "Warning: Shape doesn't start with a moveTo\n");
158 xx = line?line->x+1:0;
160 if(line->fillstyle0 == fillstyle0 ||
161 line->fillstyle1 == fillstyle0 ||
162 line->linestyle == linestyle) {
163 if(line->type == lineTo) {
164 if(xx!=x || yy!=y) d.moveTo(&d, x/20.0,y/20.0);
165 d.lineTo(&d, line->x/20.0,line->y/20.0);
168 } else if(line->type == splineTo) {
169 if(xx!=x || yy!=y) d.moveTo(&d, x/20.0,y/20.0);
170 d.splineTo(&d, line->sx/20.0, line->sy/20.0, line->x/20.0,line->y/20.0);
184 //---- bitmap handling ----
186 gfximage_t* gfximage_new(RGBA*data, int width, int height)
188 gfximage_t* b = (gfximage_t*)rfx_calloc(sizeof(gfximage_t));
189 b->data = (gfxcolor_t*)data;
195 void gfximage_free(gfximage_t*b)
202 static gfximage_t* findimage(render_t*r, U16 id)
204 character_t*c = (character_t*)map16_get_id(r->id2char, id);
205 assert(c && c->type == TYPE_BITMAP);
206 gfximage_t*img = (gfximage_t*)c->data;
209 sprintf(filename, "bitmap%d.png", id);
210 writePNG(filename, (unsigned char*)img->data, img->width, img->height);
211 printf("saving bitmap %d to %s\n", id, filename);*/
215 //---- shape handling ----
217 static void renderFilled(render_t*r, gfxline_t*line, FILLSTYLE*f, CXFORM*cx, MATRIX*po_m)
219 if(f->type == FILL_SOLID) {
220 gfxcolor_t c = *(gfxcolor_t*)&f->color;
221 r->device->fill(r->device, line, &c);
222 } else if(f->type == FILL_TILED || f->type == FILL_CLIPPED) {
223 gfximage_t* img = findimage(r, f->id_bitmap);
226 convertCXForm(cx, &gfxcx);
228 swf_MatrixJoin(&m2, po_m, &f->m);
229 convertMatrix(&m2, &m);
230 m.m00/=20.0; m.m10/=20.0;
231 m.m01/=20.0; m.m11/=20.0;
232 /* TODO: handle clipped */
233 r->device->fillbitmap(r->device, line, img, &m, &gfxcx);
234 } else if(f->type == FILL_LINEAR || f->type == FILL_RADIAL) {
238 //swf_MatrixJoin(&m2, po_m, &f->m);
240 double z = f->type==FILL_RADIAL?4:4;
241 m.m00 = m2->sx/z/20.0; m.m10 = m2->r1/z/20.0;
242 m.m01 = m2->r0/z/20.0; m.m11 = m2->sy/z/20.0;
246 g = convertGradient(&f->gradient);
247 r->device->fillgradient(r->device, line, g, f->type == FILL_LINEAR ? gfxgradient_linear : gfxgradient_radial, &m);
252 //---- font handling ----
260 typedef struct textcallbackblock
264 } textcallbackblock_t;
266 static void textcallback(void*self, int*chars, int*xpos, int nr, int fontid, int fontsize,
267 int xstart, int ystart, RGBA* color)
269 textcallbackblock_t * info = (textcallbackblock_t*)self;
272 character_t*cfont = map16_get_id(info->r->id2char, fontid);
274 fprintf(stderr, "Font %d unknown\n", fontid);
277 if(cfont->type != TYPE_FONT) {
278 fprintf(stderr, "ID %d is not a font\n", fontid);
284 int x = xstart + xpos[t];
290 p = swf_TurnPoint(p, &m);
292 m.sx = (m.sx * fontsize) / 1024;
293 m.sy = (m.sy * fontsize) / 1024;
294 m.r0 = (m.r0 * fontsize) / 1024;
295 m.r1 = (m.r1 * fontsize) / 1024;
300 convertMatrix(&m, &gm);
302 if(chars[t]<0 || chars[t]>= font->numchars) {
303 fprintf(stderr, "Character out of range: %d\n", chars[t]);
305 gfxline_t*line = gfxline_clone(font->glyphs[chars[t]]);
306 gfxline_transform(line, &gm);
310 renderFilled(info->r, line, &f, 0, 0);
317 //---- tag handling ----
319 static map16_t* extractDefinitions(SWF*swf)
321 map16_t*map = map16_new();
322 TAG*tag = swf->firstTag;
326 if(swf_isDefiningTag(tag)) {
327 id = swf_GetDefineID(tag);
330 if(tag->id == ST_DEFINESPRITE) {
331 character_t*c = rfx_calloc(sizeof(character_t));
332 sprite_t*s = rfx_calloc(sizeof(sprite_t));
333 swf_SetTagPos(tag, 0);
334 swf_GetU16(tag); //id
335 s->frameCount = swf_GetU16(tag); //frameno
337 c->type = TYPE_SPRITE;
339 map16_add_id(map, id, c);
341 else if(tag->id == ST_DEFINESHAPE ||
342 tag->id == ST_DEFINESHAPE2 ||
343 tag->id == ST_DEFINESHAPE3) {
344 character_t*c = rfx_calloc(sizeof(character_t));
346 c->type = TYPE_SHAPE;
347 map16_add_id(map, id, c);
349 else if(tag->id == ST_DEFINEFONT ||
350 tag->id == ST_DEFINEFONT2) {
351 character_t*c = rfx_calloc(sizeof(character_t));
353 font_t*font = (font_t*)rfx_calloc(sizeof(font_t));
354 swf_FontExtract(swf, id, &swffont);
355 font->numchars = swffont->numchars;
356 font->glyphs = (gfxline_t**)rfx_calloc(sizeof(gfxline_t*)*font->numchars);
358 RGBA color_white = {255,255,255,255};
359 for(t=0;t<font->numchars;t++) {
360 if(!swffont->glyph[t].shape->fillstyle.n) {
361 swf_ShapeAddSolidFillStyle(swffont->glyph[t].shape, &color_white);
363 SHAPE2*s2 = swf_ShapeToShape2(swffont->glyph[t].shape);
364 font->glyphs[t] = swfline_to_gfxline(s2->lines, 0, 1);
367 swf_FontFree(swffont);
372 map16_add_id(map, id, c);
374 else if(tag->id == ST_DEFINETEXT ||
375 tag->id == ST_DEFINETEXT2) {
376 character_t*c = rfx_calloc(sizeof(character_t));
380 map16_add_id(map, id, c);
382 else if(tag->id == ST_DEFINEBITSJPEG ||
383 tag->id == ST_DEFINEBITSJPEG2 ||
384 tag->id == ST_DEFINEBITSJPEG3 ||
385 tag->id == ST_DEFINEBITSLOSSLESS ||
386 tag->id == ST_DEFINEBITSLOSSLESS2) {
387 character_t*c = rfx_calloc(sizeof(character_t));
389 void*data = swf_ExtractImage(tag, &width, &height);
390 gfximage_t*b = gfximage_new(data, width, height);
392 c->type = TYPE_BITMAP;
394 map16_add_id(map, id, c);
402 void swf_FreeTaglist(TAG*tag)
406 TAG * tnew = tag->next;
414 static void increaseAge(void*self, int id, void*data)
416 placement_t*p = (placement_t*)data;
420 static map16_t* extractFrame(TAG*startTag, int frame_to_extract)
422 map16_t*depthmap = map16_new();
427 SWF*swf = rfx_calloc(sizeof(SWF));
428 swf->firstTag = startTag;
430 for(;tag;tag = tag->next) {
431 if(tag->id == ST_DEFINESPRITE) {
432 while(tag->id != ST_END)
436 if(tag->id == ST_PLACEOBJECT ||
437 tag->id == ST_PLACEOBJECT2) {
438 placement_t* p = rfx_calloc(sizeof(placement_t));
440 p->startFrame = frame;
441 swf_GetPlaceObject(tag, &p->po);
443 placement_t*old = (placement_t*)map16_get_id(depthmap, p->po.depth);
444 p->po.id = old->po.id;
445 map16_remove_id(depthmap, p->po.depth);
448 map16_add_id(depthmap, p->po.depth, p);
451 if(tag->id == ST_REMOVEOBJECT ||
452 tag->id == ST_REMOVEOBJECT2) {
453 U16 depth = swf_GetDepth(tag);
454 map16_remove_id(depthmap, depth);
456 if(tag->id == ST_SHOWFRAME || tag->id == ST_END || !tag->next) {
457 if(frame == frame_to_extract) {
460 if(tag->id == ST_SHOWFRAME) {
462 map16_enumerate(depthmap, increaseAge, 0);
465 if(tag->id == ST_END)
471 // ---- rendering ----
473 void swf_ShapeApplyMatrix(SHAPE2*shape, MATRIX*m)
477 RGBA swf_ColorTransform(RGBA*color, CXFORM*cx)
480 dest.r = (cx->r0*color->r + cx->r1*256) >> 8;
481 dest.g = (cx->g0*color->g + cx->g1*256) >> 8;
482 dest.b = (cx->b0*color->b + cx->b1*256) >> 8;
483 dest.a = (cx->a0*color->a + cx->a1*256) >> 8;
487 void renderOutline(render_t*r, gfxline_t*line, LINESTYLE*l, CXFORM*cx)
489 RGBA c = swf_ColorTransform(&l->color, cx);
490 gfxcoord_t width = l->width/20.0;
491 r->device->stroke(r->device, line, width, (gfxcolor_t*)&c, gfx_capRound, gfx_joinRound, 0.0);
494 void swf_ApplyMatrixToShape(SHAPE2*shape, MATRIX*m)
496 SHAPELINE*line = shape->lines;
499 p.x = line->x; p.y = line->y;
500 p = swf_TurnPoint(p, m);
501 line->x = p.x; line->y = p.y;
506 static void renderCharacter(render_t*r, placement_t*p, character_t*c)
508 if(c->type == TYPE_SHAPE) {
510 swf_ParseDefineShape(c->tag, &shape);
512 swf_MatrixJoin(&m, &r->m, &p->po.matrix);
513 swf_ApplyMatrixToShape(&shape, &m);
514 SHAPELINE*line = shape.lines;
516 for(t=1;t<=shape.numfillstyles;t++) {
518 line = swfline_to_gfxline(shape.lines, -1, t);
520 if(!p->po.clipdepth) {
521 renderFilled(r, line, &shape.fillstyles[t-1], &p->po.cxform, &p->po.matrix);
523 r->device->startclip(r->device, line);
524 r->clips_waiting[p->po.clipdepth]++;
528 /*line = swfline_to_gfxline(shape.lines, -1, -1, t);
529 if(line) renderFilled(r, line, &shape.fillstyles[t-1], &p->po.cxform);
530 gfxline_free(line);*/
532 for(t=1;t<=shape.numlinestyles;t++) {
533 gfxline_t*line = swfline_to_gfxline(shape.lines, t, -1);
534 if(line) renderOutline(r, line, &shape.linestyles[t-1], &p->po.cxform);
537 } else if(c->type == TYPE_TEXT) {
539 textcallbackblock_t info;
541 swf_SetTagPos(tag, 0);
544 swf_GetMatrix(tag,&mt);
546 swf_MatrixJoin(&mt2, &r->m, &mt);
547 swf_MatrixJoin(&info.m, &mt2, &p->po.matrix);
549 swf_ParseDefineText(tag, textcallback, &info);
555 static void placeObject(void*self, int id, void*data)
557 render_t*r = (render_t*)self;
558 placement_t*p = (placement_t*)data;
559 character_t*c = map16_get_id(r->id2char, p->po.id);
561 fprintf(stderr, "Error: ID %d unknown\n", p->po.id);
564 if(c->type == TYPE_SPRITE) {
565 int*old_clips_waiting = r->clips_waiting;
566 r->clips_waiting = rfx_calloc(sizeof(r->clips_waiting[0])*65536);
568 sprite_t* s = (sprite_t*)c->data;
570 map16_t* depths = extractFrame(c->tag->next, p->age % s->frameCount);
571 map16_enumerate(depths, placeObject, r);
574 for(t=0;t<65536;t++) {
576 for(i=0; i<r->clips_waiting[t]; i++) {
577 r->device->endclip(r->device);
580 free(r->clips_waiting);
581 r->clips_waiting = old_clips_waiting;
584 renderCharacter(r, p, c);
587 void swfpage_destroy(gfxpage_t*swf_page)
589 swf_page_internal_t*i= (swf_page_internal_t*)swf_page->internal;
590 free(swf_page->internal);swf_page->internal = 0;
591 free(swf_page);swf_page=0;
594 void swfpage_render(gfxpage_t*page, gfxdevice_t*output)
596 swf_page_internal_t*i = (swf_page_internal_t*)page->internal;
597 swf_doc_internal_t*pi = (swf_doc_internal_t*)page->parent->internal;
598 map16_t* depths = extractFrame(pi->swf.firstTag, i->frame);
600 r.id2char = pi->id2char;
604 r.clips_waiting = malloc(sizeof(r.clips_waiting[0])*65536);
605 memset(r.clips_waiting, 0, sizeof(r.clips_waiting[0])*65536);
608 for(t=0;t<65536;t++) {
610 placeObject(&r, t, depths->ids[t]);
613 for(i=0; i<r.clips_waiting[t]; i++) {
614 output->endclip(output);
617 free(r.clips_waiting);
620 void swfpage_rendersection(gfxpage_t*page, gfxdevice_t*output, gfxcoord_t x, gfxcoord_t y, gfxcoord_t _x1, gfxcoord_t _y1, gfxcoord_t _x2, gfxcoord_t _y2)
622 swf_doc_internal_t*pi = (swf_doc_internal_t*)page->parent->internal;
624 swfpage_render(page,output);
627 void swf_doc_destroy(gfxdocument_t*gfx)
629 swf_doc_internal_t*i= (swf_doc_internal_t*)gfx->internal;
630 swf_FreeTags(&i->swf);
631 free(gfx->internal);gfx->internal=0;
635 void swf_doc_setparameter(gfxdocument_t*gfx, const char*name, const char*value)
637 swf_doc_internal_t*i= (swf_doc_internal_t*)gfx->internal;
640 gfxpage_t* swf_doc_getpage(gfxdocument_t*doc, int page)
642 swf_doc_internal_t*di= (swf_doc_internal_t*)doc->internal;
643 if(page < 1 || page > doc->num_pages)
646 gfxpage_t* swf_page = (gfxpage_t*)malloc(sizeof(gfxpage_t));
647 swf_page_internal_t*pi= (swf_page_internal_t*)malloc(sizeof(swf_page_internal_t));
648 memset(pi, 0, sizeof(swf_page_internal_t));
652 swf_page->internal = pi;
653 swf_page->destroy = swfpage_destroy;
654 swf_page->render = swfpage_render;
655 swf_page->rendersection = swfpage_rendersection;
656 swf_page->width = di->width;
657 swf_page->height = di->height;
658 swf_page->parent = doc;
663 void swf_setparameter(gfxsource_t*src, const char*name, const char*value)
665 msg("<verbose> setting parameter %s to \"%s\"", name, value);
668 gfxdocument_t*swf_open(gfxsource_t*src, const char*filename)
670 gfxdocument_t*swf_doc = (gfxdocument_t*)malloc(sizeof(gfxdocument_t));
671 memset(swf_doc, 0, sizeof(gfxdocument_t));
672 swf_doc_internal_t*i= (swf_doc_internal_t*)malloc(sizeof(swf_doc_internal_t));
673 memset(i, 0, sizeof(swf_doc_internal_t));
684 f = open(filename,O_RDONLY|O_BINARY);
686 perror("Couldn't open file: ");
689 if FAILED(swf_ReadSWF(f,&i->swf)) {
690 fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
694 swf_UnFoldAll(&i->swf);
696 i->id2char = extractDefinitions(&i->swf);
697 i->width = (i->swf.movieSize.xmax - i->swf.movieSize.xmin) / 20;
698 i->height = (i->swf.movieSize.ymax - i->swf.movieSize.ymin) / 20;
700 swf_GetMatrix(0, &i->m);
701 i->m.tx = -i->swf.movieSize.xmin;
702 i->m.ty = -i->swf.movieSize.ymin;
704 swf_doc->num_pages = i->swf.frameCount;
705 swf_doc->internal = i;
707 swf_doc->destroy = swf_doc_destroy;
708 swf_doc->setparameter = swf_doc_setparameter;
709 swf_doc->getpage = swf_doc_getpage;
714 static void swf_destroy(gfxsource_t*src)
716 memset(src, 0, sizeof(*src));
721 gfxsource_t*gfxsource_swf_create()
723 gfxsource_t*src = (gfxsource_t*)malloc(sizeof(gfxsource_t));
724 memset(src, 0, sizeof(gfxsource_t));
725 src->setparameter = swf_setparameter;
726 src->open = swf_open;
727 src->destroy = swf_destroy;