+/* todo: merge this with swf_GetSimpleShape */
+SHAPELINE* swf_ParseShapeData(U8*data, int bits, int fillbits, int linebits)
+{
+ SHAPELINE _lines;
+ SHAPELINE*lines = &_lines;
+
+ TAG _tag;
+ TAG* tag = &_tag;
+ int fill0 = 0;
+ int fill1 = 0;
+ int line = 0;
+ int x=0,y=0;
+
+ memset(tag, 0, sizeof(TAG));
+ tag->data = data;
+ tag->len = tag->memsize = (bits+7)/8;
+ tag->pos = 0;
+
+ lines->next = 0;
+ while(1) {
+ int flags;
+ flags = swf_GetBits(tag, 1);
+ if(!flags) { //style change
+ flags = swf_GetBits(tag, 5);
+ if(!flags)
+ break;
+ if(flags&1) { //move
+ int n = swf_GetBits(tag, 5);
+ x = swf_GetSBits(tag, n); //x
+ y = swf_GetSBits(tag, n); //y
+ }
+ if(flags&2)
+ fill0 = swf_GetBits(tag, fillbits);
+ if(flags&4)
+ fill1 = swf_GetBits(tag, fillbits);
+ if(flags&8)
+ line = swf_GetBits(tag, linebits);
+ if(flags&16) {
+ fprintf(stderr, "Additional file styles style change not yet supported\n");
+ exit(1);
+ //enumerateUsedIDs_styles(tag, callback, callback_data, num);
+ fillbits = swf_GetBits(tag, 4);
+ linebits = swf_GetBits(tag, 4);
+ }
+ if(flags&1) { //move
+ lines->next = (SHAPELINE*)malloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = moveTo;
+ lines->x = x;
+ lines->y = y;
+ lines->sx = lines->sy = 0;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ }
+ } else {
+ flags = swf_GetBits(tag, 1);
+ if(flags) { //straight edge
+ int n = swf_GetBits(tag, 4) + 2;
+ if(swf_GetBits(tag, 1)) { //line flag
+ x += swf_GetSBits(tag, n); //delta x
+ y += swf_GetSBits(tag, n); //delta y
+ } else {
+ int v=swf_GetBits(tag, 1);
+ int d;
+ d = swf_GetSBits(tag, n); //vert/horz
+ if(v) y += d;
+ else x += d;
+ }
+ lines->next = (SHAPELINE*)malloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = lineTo;
+ lines->x = x;
+ lines->y = y;
+ lines->sx = lines->sy = 0;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ } else { //curved edge
+ int n = swf_GetBits(tag, 4) + 2;
+ int x1,y1;
+ x += swf_GetSBits(tag, n);
+ y += swf_GetSBits(tag, n);
+ x1 = x;
+ y1 = y;
+ x += swf_GetSBits(tag, n);
+ y += swf_GetSBits(tag, n);
+
+ lines->next = (SHAPELINE*)malloc(sizeof(SHAPELINE));
+ lines = lines->next;
+ lines->type = splineTo;
+ lines->sx = x1;
+ lines->sy = y1;
+ lines->x = x;
+ lines->y = y;
+ lines->fillstyle0 = fill0;
+ lines->fillstyle1 = fill1;
+ lines->linestyle = line;
+ lines->next = 0;
+ }
+ }
+ }
+ return _lines.next;
+}
+
+SRECT swf_GetShapeBoundingBox(SHAPE2*shape2)
+{
+ SRECT r;
+ SHAPELINE*l = shape2->lines;
+ int lastx=0,lasty=0;
+ int valid = 0;
+ r.xmin = r.ymin = SCOORD_MAX;
+ r.xmax = r.ymax = SCOORD_MIN;
+
+ while(l) {
+ int t1;
+ if(l->linestyle>0) {
+ t1 = shape2->linestyles[l->linestyle - 1].width*3/2;
+ } else {
+ t1 = 0;
+ }
+
+ if(l->type == lineTo || l->type == splineTo)
+ {
+ valid = 1;
+ if(lastx - t1 < r.xmin) r.xmin = lastx - t1;
+ if(lasty - t1 < r.ymin) r.ymin = lasty - t1;
+ if(lastx + t1 > r.xmax) r.xmax = lastx + t1;
+ if(lasty + t1 > r.ymax) r.ymax = lasty + t1;
+ if(l->x - t1 < r.xmin) r.xmin = l->x - t1;
+ if(l->y - t1 < r.ymin) r.ymin = l->y - t1;
+ if(l->x + t1 > r.xmax) r.xmax = l->x + t1;
+ if(l->y + t1 > r.ymax) r.ymax = l->y + t1;
+ if(l->type == splineTo) {
+ if(l->sx - t1 < r.xmin) r.xmin = l->sx - t1;
+ if(l->sy - t1 < r.ymin) r.ymin = l->sy - t1;
+ if(l->sx + t1 > r.xmax) r.xmax = l->sx + t1;
+ if(l->sy + t1 > r.ymax) r.ymax = l->sy + t1;
+ }
+ }
+ lastx = l->x;
+ lasty = l->y;
+ l = l->next;
+ }
+ if(!valid) memset(&r, 0, sizeof(SRECT));
+ return r;
+}
+
+void swf_Shape2Free(SHAPE2 * s)
+{
+ SHAPELINE*line = s->lines;
+ while(line) {
+ SHAPELINE*next = line->next;
+ free(line);
+ line = next;
+ }
+ if(s->linestyles)
+ free(s->linestyles);
+ if(s->fillstyles)
+ free(s->fillstyles);
+ if(s->bbox)
+ free(s->bbox);
+}
+
+SHAPE2* swf_ShapeToShape2(SHAPE*shape) {
+
+ SHAPE2*shape2 = (SHAPE2*)malloc(sizeof(SHAPE2));
+
+ shape2->numlinestyles = shape->linestyle.n;
+ shape2->linestyles = (LINESTYLE*)malloc(sizeof(LINESTYLE)*shape->linestyle.n);
+ memcpy(shape2->linestyles, shape->linestyle.data, sizeof(LINESTYLE)*shape->linestyle.n);
+
+ shape2->numfillstyles = shape->fillstyle.n;
+ shape2->fillstyles = (FILLSTYLE*)malloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
+ memcpy(shape2->fillstyles, shape->fillstyle.data, sizeof(FILLSTYLE)*shape->fillstyle.n);
+
+ shape2->lines = swf_ParseShapeData(shape->data, shape->bitlen, shape->bits.fill, shape->bits.line);
+ shape2->bbox = 0;
+ return shape2;
+};
+
+void swf_ShapeSetBitmapRect(TAG*tag, U16 gfxid, int width, int height)
+{
+ SHAPE*shape;
+ MATRIX m;
+ RGBA rgb;
+ SRECT r;
+ int lines = 0;
+ int ls=0,fs;
+ swf_ShapeNew(&shape);
+ rgb.b = rgb.g = rgb.r = 0xff;
+ if(lines)
+ ls = swf_ShapeAddLineStyle(shape,20,&rgb);
+ swf_GetMatrix(NULL,&m);
+ m.sx = 20*65536;
+ m.sy = 20*65536;
+
+ fs = swf_ShapeAddBitmapFillStyle(shape,&m,gfxid,0);
+ r.xmin = 0;
+ r.ymin = 0;
+ r.xmax = width*20;
+ r.ymax = height*20;
+ swf_SetRect(tag,&r);
+
+ swf_SetShapeStyles(tag,shape);
+ swf_ShapeCountBits(shape,NULL,NULL);
+ swf_SetShapeBits(tag,shape);
+
+ swf_ShapeSetAll(tag,shape,0,0,lines?ls:0,fs,0);
+
+ swf_ShapeSetLine(tag,shape,width*20,0);
+ swf_ShapeSetLine(tag,shape,0,height*20);
+ swf_ShapeSetLine(tag,shape,-width*20,0);
+ swf_ShapeSetLine(tag,shape,0,-height*20);
+ swf_ShapeSetEnd(tag);
+ swf_ShapeFree(shape);
+}
+