2 #include "../gfxdevice.h"
3 #include "../gfxsource.h"
4 #include "../gfxtools.h"
11 typedef struct _map16_t
16 typedef struct _swf_page_internal
19 } swf_page_internal_t;
21 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");
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)
154 gfxdrawer_target_gfxline(&d);
155 if(line && line->type != moveTo) {
156 fprintf(stderr, "Warning: Shape doesn't start with a moveTo\n");
159 if(line->fillstyle0 == fillstyle0 || line->fillstyle1 == fillstyle0 ||
160 line->linestyle == linestyle) {
161 if(line->type == lineTo) {
162 d.moveTo(&d, x/20.0,y/20.0);
163 d.lineTo(&d, line->x/20.0,line->y/20.0);
164 } else if(line->type == splineTo) {
165 d.moveTo(&d, x/20.0,y/20.0);
166 d.splineTo(&d, line->sx/20.0, line->sy/20.0, line->x/20.0,line->y/20.0);
178 //---- bitmap handling ----
180 gfximage_t* gfximage_new(RGBA*data, int width, int height)
182 gfximage_t* b = (gfximage_t*)rfx_calloc(sizeof(gfximage_t));
183 b->data = (gfxcolor_t*)data;
189 void gfximage_free(gfximage_t*b)
196 static gfximage_t* findimage(render_t*r, U16 id)
198 character_t*c = (character_t*)map16_get_id(r->id2char, id);
199 assert(c && c->type == TYPE_BITMAP);
200 gfximage_t*img = (gfximage_t*)c->data;
203 sprintf(filename, "bitmap%d.png", id);
204 writePNG(filename, (unsigned char*)img->data, img->width, img->height);
205 printf("saving bitmap %d to %s\n", id, filename);*/
209 //---- shape handling ----
211 static void renderFilled(render_t*r, gfxline_t*line, FILLSTYLE*f, CXFORM*cx, MATRIX*po_m)
213 if(f->type == FILL_SOLID) {
214 gfxcolor_t c = *(gfxcolor_t*)&f->color;
215 r->device->fill(r->device, line, &c);
216 } else if(f->type == FILL_TILED || f->type == FILL_CLIPPED) {
217 gfximage_t* img = findimage(r, f->id_bitmap);
220 convertCXForm(cx, &gfxcx);
222 swf_MatrixJoin(&m2, po_m, &f->m);
223 convertMatrix(&m2, &m);
224 m.m00/=20.0; m.m10/=20.0;
225 m.m01/=20.0; m.m11/=20.0;
226 /* TODO: handle clipped */
227 r->device->fillbitmap(r->device, line, img, &m, &gfxcx);
228 } else if(f->type == FILL_LINEAR || f->type == FILL_RADIAL) {
231 convertMatrix(&f->m, &m);
232 g = convertGradient(&f->gradient);
233 r->device->fillgradient(r->device, line, g, f->type == FILL_LINEAR ? gfxgradient_linear : gfxgradient_radial, &m);
238 //---- font handling ----
246 typedef struct textcallbackblock
250 } textcallbackblock_t;
252 static void textcallback(void*self, int*chars, int*xpos, int nr, int fontid, int fontsize,
253 int xstart, int ystart, RGBA* color)
255 textcallbackblock_t * info = (textcallbackblock_t*)self;
258 character_t*cfont = map16_get_id(info->r->id2char, fontid);
260 fprintf(stderr, "Font %d unknown\n", fontid);
263 if(cfont->type != TYPE_FONT) {
264 fprintf(stderr, "ID %d is not a font\n", fontid);
270 int x = xstart + xpos[t];
276 p = swf_TurnPoint(p, &m);
278 m.sx = (m.sx * fontsize) / 1024;
279 m.sy = (m.sy * fontsize) / 1024;
280 m.r0 = (m.r0 * fontsize) / 1024;
281 m.r1 = (m.r1 * fontsize) / 1024;
286 convertMatrix(&m, &gm);
288 if(chars[t]<0 || chars[t]>= font->numchars) {
289 fprintf(stderr, "Character out of range: %d\n", chars[t]);
291 gfxline_t*line = gfxline_clone(font->glyphs[chars[t]]);
292 gfxline_transform(line, &gm);
296 renderFilled(info->r, line, &f, 0, 0);
303 //---- tag handling ----
305 static map16_t* extractDefinitions(SWF*swf)
307 map16_t*map = map16_new();
308 TAG*tag = swf->firstTag;
312 if(swf_isDefiningTag(tag)) {
313 id = swf_GetDefineID(tag);
316 if(tag->id == ST_DEFINESPRITE) {
317 character_t*c = rfx_calloc(sizeof(character_t));
318 sprite_t*s = rfx_calloc(sizeof(sprite_t));
319 swf_SetTagPos(tag, 0);
320 swf_GetU16(tag); //id
321 s->frameCount = swf_GetU16(tag); //frameno
323 c->type = TYPE_SPRITE;
325 map16_add_id(map, id, c);
327 else if(tag->id == ST_DEFINESHAPE ||
328 tag->id == ST_DEFINESHAPE2 ||
329 tag->id == ST_DEFINESHAPE3) {
330 character_t*c = rfx_calloc(sizeof(character_t));
332 c->type = TYPE_SHAPE;
333 map16_add_id(map, id, c);
335 else if(tag->id == ST_DEFINEFONT ||
336 tag->id == ST_DEFINEFONT2) {
337 character_t*c = rfx_calloc(sizeof(character_t));
339 font_t*font = (font_t*)rfx_calloc(sizeof(font_t));
340 swf_FontExtract(swf, id, &swffont);
341 font->numchars = swffont->numchars;
342 font->glyphs = (gfxline_t**)rfx_calloc(sizeof(gfxline_t*)*font->numchars);
344 RGBA color_white = {255,255,255,255};
345 for(t=0;t<font->numchars;t++) {
346 if(!swffont->glyph[t].shape->fillstyle.n) {
347 swf_ShapeAddSolidFillStyle(swffont->glyph[t].shape, &color_white);
349 SHAPE2*s2 = swf_ShapeToShape2(swffont->glyph[t].shape);
350 font->glyphs[t] = swfline_to_gfxline(s2->lines, 0, 1);
353 swf_FontFree(swffont);
358 map16_add_id(map, id, c);
360 else if(tag->id == ST_DEFINETEXT ||
361 tag->id == ST_DEFINETEXT2) {
362 character_t*c = rfx_calloc(sizeof(character_t));
366 map16_add_id(map, id, c);
368 else if(tag->id == ST_DEFINEBITSJPEG ||
369 tag->id == ST_DEFINEBITSJPEG2 ||
370 tag->id == ST_DEFINEBITSJPEG3 ||
371 tag->id == ST_DEFINEBITSLOSSLESS ||
372 tag->id == ST_DEFINEBITSLOSSLESS2) {
373 character_t*c = rfx_calloc(sizeof(character_t));
375 void*data = swf_ExtractImage(tag, &width, &height);
376 gfximage_t*b = gfximage_new(data, width, height);
378 c->type = TYPE_BITMAP;
380 map16_add_id(map, id, c);
388 void swf_FreeTaglist(TAG*tag)
392 TAG * tnew = tag->next;
400 static void increaseAge(void*self, int id, void*data)
402 placement_t*p = (placement_t*)data;
406 static map16_t* extractFrame(TAG*startTag, int frame_to_extract)
408 map16_t*depthmap = map16_new();
412 for(;tag;tag = tag->next) {
413 if(tag->id == ST_END)
415 if(tag->id == ST_DEFINESPRITE) {
416 while(tag->id != ST_END)
420 if(tag->id == ST_PLACEOBJECT ||
421 tag->id == ST_PLACEOBJECT2) {
422 placement_t* p = rfx_calloc(sizeof(placement_t));
424 p->startFrame = frame;
425 swf_GetPlaceObject(tag, &p->po);
427 placement_t*old = (placement_t*)map16_get_id(depthmap, p->po.depth);
428 p->po.id = old->po.id;
429 map16_remove_id(depthmap, p->po.depth);
432 map16_add_id(depthmap, p->po.depth, p);
435 if(tag->id == ST_REMOVEOBJECT ||
436 tag->id == ST_REMOVEOBJECT2) {
437 U16 depth = swf_GetDepth(tag);
438 map16_remove_id(depthmap, depth);
440 if(tag->id == ST_SHOWFRAME || tag->id == ST_END) {
441 if(frame == frame_to_extract) {
444 if(tag->id == ST_SHOWFRAME) {
446 map16_enumerate(depthmap, increaseAge, 0);
450 fprintf(stderr, "gfxsource_swf: frame %d not found\n", frame_to_extract);
454 // ---- rendering ----
456 static void stopClippings(int from, render_t*r)
459 for(t=from;t<r->clips;t++)
460 r->device->endclip(r->device);
464 void swf_ShapeApplyMatrix(SHAPE2*shape, MATRIX*m)
468 RGBA swf_ColorTransform(RGBA*color, CXFORM*cx)
471 dest.r = (cx->r0*color->r + cx->r1*256) >> 8;
472 dest.g = (cx->g0*color->g + cx->g1*256) >> 8;
473 dest.b = (cx->b0*color->b + cx->b1*256) >> 8;
474 dest.a = (cx->a0*color->a + cx->a1*256) >> 8;
478 void renderOutline(render_t*r, gfxline_t*line, LINESTYLE*l, CXFORM*cx)
480 RGBA c = swf_ColorTransform(&l->color, cx);
481 gfxcoord_t width = l->width/20.0;
482 r->device->stroke(r->device, line, width, (gfxcolor_t*)&c, gfx_capRound, gfx_joinRound, 0.0);
485 void swf_ApplyMatrixToShape(SHAPE2*shape, MATRIX*m)
487 SHAPELINE*line = shape->lines;
490 p.x = line->x; p.y = line->y;
491 p = swf_TurnPoint(p, m);
492 line->x = p.x; line->y = p.y;
497 static void renderCharacter(render_t*r, placement_t*p, character_t*c)
499 if(c->type == TYPE_SHAPE) {
501 swf_ParseDefineShape(c->tag, &shape);
503 swf_MatrixJoin(&m, &r->m, &p->po.matrix);
504 swf_ApplyMatrixToShape(&shape, &m);
505 SHAPELINE*line = shape.lines;
507 for(t=1;t<=shape.numfillstyles;t++) {
509 line = swfline_to_gfxline(shape.lines, -1, t);
511 if(!p->po.clipdepth) {
512 renderFilled(r, line, &shape.fillstyles[t-1], &p->po.cxform, &p->po.matrix);
514 r->device->startclip(r->device, line);
515 r->clips_waiting[p->po.clipdepth]++;
520 /*line = swfline_to_gfxline(shape.lines, -1, -1, t);
521 if(line) renderFilled(r, line, &shape.fillstyles[t-1], &p->po.cxform);
522 gfxline_free(line);*/
524 for(t=1;t<=shape.numlinestyles;t++) {
525 gfxline_t*line = swfline_to_gfxline(shape.lines, t, -1);
526 if(line) renderOutline(r, line, &shape.linestyles[t-1], &p->po.cxform);
529 } else if(c->type == TYPE_TEXT) {
531 textcallbackblock_t info;
533 swf_SetTagPos(tag, 0);
536 swf_GetMatrix(tag,&mt);
538 swf_MatrixJoin(&mt2, &r->m, &mt);
539 swf_MatrixJoin(&info.m, &mt2, &p->po.matrix);
541 swf_ParseDefineText(tag, textcallback, &info);
547 static void placeObject(void*self, int id, void*data)
549 render_t*r = (render_t*)self;
550 placement_t*p = (placement_t*)data;
551 character_t*c = map16_get_id(r->id2char, p->po.id);
553 fprintf(stderr, "Error: ID %d unknown\n", p->po.id);
556 if(c->type == TYPE_SPRITE) {
557 int oldclip = r->clips;
558 sprite_t* s = (sprite_t*)c->data;
559 map16_t* depths = extractFrame(c->tag, p->age % s->frameCount);
560 map16_enumerate(depths, placeObject, r);
561 stopClippings(oldclip, r);
564 renderCharacter(r, p, c);
567 void swfpage_destroy(gfxpage_t*swf_page)
569 swf_page_internal_t*i= (swf_page_internal_t*)swf_page->internal;
570 free(swf_page->internal);swf_page->internal = 0;
571 free(swf_page);swf_page=0;
574 void swfpage_render(gfxpage_t*page, gfxdevice_t*output)
576 swf_page_internal_t*i = (swf_page_internal_t*)page->internal;
577 swf_doc_internal_t*pi = (swf_doc_internal_t*)page->parent->internal;
578 map16_t* depths = extractFrame(pi->swf.firstTag, i->frame);
580 r.id2char = pi->id2char;
584 r.clips_waiting = malloc(sizeof(r.clips_waiting[0])*65536);
585 memset(r.clips_waiting, 0, sizeof(r.clips_waiting[0])*65536);
588 for(t=0;t<65536;t++) {
590 for(i=0; i<r.clips_waiting[t]; i++) {
591 output->endclip(output);
594 placeObject(&r, t, depths->ids[t]);
597 free(r.clips_waiting);
600 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)
602 swf_doc_internal_t*pi = (swf_doc_internal_t*)page->parent->internal;
604 swfpage_render(page,output);
607 void swf_doc_destroy(gfxdocument_t*gfx)
609 swf_doc_internal_t*i= (swf_doc_internal_t*)gfx->internal;
610 swf_FreeTags(&i->swf);
611 free(gfx->internal);gfx->internal=0;
615 void swf_doc_set_parameter(gfxdocument_t*gfx, const char*name, const char*value)
617 swf_doc_internal_t*i= (swf_doc_internal_t*)gfx->internal;
620 gfxpage_t* swf_doc_getpage(gfxdocument_t*doc, int page)
622 swf_doc_internal_t*di= (swf_doc_internal_t*)doc->internal;
623 if(page < 1 || page > doc->num_pages)
626 gfxpage_t* swf_page = (gfxpage_t*)malloc(sizeof(gfxpage_t));
627 swf_page_internal_t*pi= (swf_page_internal_t*)malloc(sizeof(swf_page_internal_t));
628 memset(pi, 0, sizeof(swf_page_internal_t));
632 swf_page->internal = pi;
633 swf_page->destroy = swfpage_destroy;
634 swf_page->render = swfpage_render;
635 swf_page->rendersection = swfpage_rendersection;
636 swf_page->width = di->width;
637 swf_page->height = di->height;
638 swf_page->parent = doc;
643 void swf_set_parameter(gfxsource_t*src, const char*name, const char*value)
645 msg("<verbose> setting parameter %s to \"%s\"", name, value);
648 gfxdocument_t*swf_open(gfxsource_t*src, const char*filename)
650 gfxdocument_t*swf_doc = (gfxdocument_t*)malloc(sizeof(gfxdocument_t));
651 memset(swf_doc, 0, sizeof(gfxdocument_t));
652 swf_doc_internal_t*i= (swf_doc_internal_t*)malloc(sizeof(swf_doc_internal_t));
653 memset(i, 0, sizeof(swf_doc_internal_t));
664 f = open(filename,O_RDONLY|O_BINARY);
666 perror("Couldn't open file: ");
669 if FAILED(swf_ReadSWF(f,&i->swf)) {
670 fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
674 swf_UnFoldAll(&i->swf);
676 i->id2char = extractDefinitions(&i->swf);
677 i->width = (i->swf.movieSize.xmax - i->swf.movieSize.xmin) / 20;
678 i->height = (i->swf.movieSize.ymax - i->swf.movieSize.ymin) / 20;
680 swf_GetMatrix(0, &i->m);
681 i->m.tx = -i->swf.movieSize.xmin;
682 i->m.ty = -i->swf.movieSize.ymin;
684 swf_doc->num_pages = i->swf.frameCount;
685 swf_doc->internal = i;
687 swf_doc->destroy = swf_doc_destroy;
688 swf_doc->set_parameter = swf_doc_set_parameter;
689 swf_doc->getpage = swf_doc_getpage;
694 gfxsource_t*gfxsource_swf_create()
696 gfxsource_t*src = (gfxsource_t*)malloc(sizeof(gfxsource_t));
697 memset(src, 0, sizeof(gfxsource_t));
698 src->set_parameter = swf_set_parameter;
699 src->open = swf_open;