added some functions from ../../src/swfbbox.c.
authorkramm <kramm>
Sun, 16 May 2004 21:11:40 +0000 (21:11 +0000)
committerkramm <kramm>
Sun, 16 May 2004 21:11:40 +0000 (21:11 +0000)
lib/modules/swfshape.c

index 18e9b6b..caa9e90 100644 (file)
@@ -720,3 +720,179 @@ void swf_ShapeSetBitmapRect(TAG*tag, U16 gfxid, int width, int height)
     swf_ShapeFree(shape);
 }
 
+void swf_Shape2ToShape(SHAPE2*shape2, SHAPE*shape)
+{
+    TAG*tag = swf_InsertTag(0,0);
+    SHAPELINE*l,*next;
+    int newx=0,newy=0,lastx=0,lasty=0,oldls=0,oldfs0=0,oldfs1=0;
+
+    memset(shape, 0, sizeof(SHAPE));
+
+    shape->linestyle.n = shape2->numlinestyles;
+    shape->linestyle.data = (LINESTYLE*)malloc(sizeof(LINESTYLE)*shape->linestyle.n);
+    memcpy(shape->linestyle.data, shape2->linestyles, sizeof(LINESTYLE)*shape->linestyle.n);
+    
+    shape->fillstyle.n =  shape2->numfillstyles;
+    shape->fillstyle.data = (FILLSTYLE*)malloc(sizeof(FILLSTYLE)*shape->fillstyle.n);
+    memcpy(shape->fillstyle.data, shape2->fillstyles, sizeof(FILLSTYLE)*shape->fillstyle.n);
+
+    swf_ShapeCountBits(shape,NULL,NULL);
+
+    l = shape2->lines;
+
+    while(l) {
+       int ls=0,fs0=0,fs1=0;
+
+       if(l->type != moveTo) {
+           if(oldls != l->linestyle) {oldls = ls = l->linestyle;if(!ls) ls=0x8000;}
+           if(oldfs0 != l->fillstyle0) {oldfs0 = fs0 = l->fillstyle0;if(!fs0) fs0=0x8000;}
+           if(oldfs1 != l->fillstyle1) {oldfs1 = fs1 = l->fillstyle1;if(!fs1) fs1=0x8000;}
+
+           if(ls || fs0 || fs1 || newx!=0x7fffffff || newy!=0x7fffffff) {
+               swf_ShapeSetAll(tag,shape,newx,newy,ls,fs0,fs1);
+               newx = 0x7fffffff;
+               newy = 0x7fffffff;
+           }
+       }
+
+       if(l->type == lineTo) {
+           swf_ShapeSetLine(tag,shape,l->x-lastx,l->y-lasty);
+       } else if(l->type == splineTo) {
+           swf_ShapeSetCurve(tag,shape, l->sx-lastx,l->sy-lasty, l->x-l->sx,l->y-l->sy);
+       }
+       if(l->type == moveTo) {
+           newx = l->x;
+           newy = l->y;
+       }
+
+       lastx = l->x;
+       lasty = l->y;
+       l = l->next;
+    }
+    swf_ShapeSetEnd(tag);
+    shape->data = tag->data;
+    shape->bitlen = tag->len*8;
+}
+
+void swf_SetShape2(TAG*tag, SHAPE2*shape2)
+{
+    SHAPE shape;
+    swf_Shape2ToShape(shape2, &shape);
+
+    swf_SetRect(tag,shape2->bbox);
+    swf_SetShapeStyles(tag, &shape);
+    swf_ShapeCountBits(&shape,NULL,NULL);
+    swf_SetShapeBits(tag,&shape);
+
+    swf_SetBlock(tag, shape.data, (shape.bitlen+7)/8);
+}
+
+static void parseFillStyleArray(TAG*tag, SHAPE2*shape)
+{
+    U16 count;
+    int t;
+    int num=0;
+    if(tag->id == ST_DEFINESHAPE)
+       num = 1;
+    else if(tag->id == ST_DEFINESHAPE2)
+       num = 2;
+    else if(tag->id == ST_DEFINESHAPE3)
+       num = 3;
+
+    count = swf_GetU8(tag);
+    if(count == 0xff && num>1) // defineshape2,3 only
+       count = swf_GetU16(tag);
+
+    shape->numfillstyles = count;
+    shape->fillstyles = malloc(sizeof(FILLSTYLE)*count);
+
+    for(t=0;t<count;t++)
+    {
+       int type;
+       U8*pos;
+       FILLSTYLE*dest = &shape->fillstyles[t];
+       type = swf_GetU8(tag); //type
+       shape->fillstyles[t].type = type;
+       if(type == 0) {
+           /* plain color */
+           if(num == 3)
+               swf_GetRGBA(tag, &dest->color);
+           else 
+               swf_GetRGB(tag, &dest->color);
+       }
+       else if(type == 0x10 || type == 0x12)
+       {
+           /* linear/radial gradient fill */
+           swf_ResetReadBits(tag);
+           swf_GetMatrix(tag, &dest->m);
+           swf_ResetReadBits(tag);
+           swf_GetGradient(tag, &dest->gradient, num>=3?1:0);
+       }
+       else if(type == 0x40 || type == 0x41)
+       {
+           /* bitmap fill */
+           swf_ResetReadBits(tag);
+           dest->id_bitmap = swf_GetU16(tag); //id
+           swf_ResetReadBits(tag); //?
+           swf_GetMatrix(tag, &dest->m);
+       }
+       else {
+           fprintf(stderr, "rfxswf:swftools.c Unknown fillstyle:0x%02x\n",type);
+       }
+    }
+    swf_ResetReadBits(tag);
+    count = swf_GetU8(tag); // line style array
+    if(count == 0xff)
+       count = swf_GetU16(tag);
+
+    //if(verbose) printf("lnum: %d\n", count);
+
+    shape->numlinestyles = count;
+    shape->linestyles = malloc(sizeof(LINESTYLE)*count);
+    /* TODO: should we start with 1 and insert a correct definition of the
+       "built in" linestyle 0? */
+    for(t=0;t<count;t++) 
+    {
+       shape->linestyles[t].width = swf_GetU16(tag);
+       if(num == 3)
+           swf_GetRGBA(tag, &shape->linestyles[t].color);
+       else
+           swf_GetRGB(tag, &shape->linestyles[t].color);
+    }
+    return;
+}
+
+void swf_ParseDefineShape(TAG*tag, SHAPE2*shape)
+{
+    int num = 0, id;
+    U16 fill,line;
+    SRECT r;
+    SRECT r2;
+    SHAPELINE*l;
+    if(tag->id == ST_DEFINESHAPE)
+       num = 1;
+    else if(tag->id == ST_DEFINESHAPE2)
+       num = 2;
+    else if(tag->id == ST_DEFINESHAPE3)
+       num = 3;
+    else {
+       fprintf(stderr, "parseDefineShape must be called with a shape tag");
+    }
+
+    id = swf_GetU16(tag); //id
+    memset(shape, 0, sizeof(SHAPE2));
+    shape->bbox = malloc(sizeof(SRECT));
+    swf_GetRect(tag, &r);
+
+    memcpy(shape->bbox, &r, sizeof(SRECT));
+    parseFillStyleArray(tag, shape);
+
+    swf_ResetReadBits(tag); 
+    fill = (U16)swf_GetBits(tag,4);
+    line = (U16)swf_GetBits(tag,4);
+
+    shape->lines = swf_ParseShapeData(&tag->data[tag->pos], (tag->len - tag->pos)*8, fill, line);
+
+    l = shape->lines;
+}
+