#help_index "Graphics/Sprite;Sprites"
#help_file "::/Doc/Sprite"
U8 polypt_map[9]={0,1,2,3,0,4,5,6,7};
I64 sprite_elem_base_sizes[SPT_TYPES_NUM]={
sizeof(CSpriteBase), //SPT_END
sizeof(CSpriteColor), //SPT_COLOR
sizeof(CSpriteDitherColor), //SPT_DITHER_COLOR
sizeof(CSpriteT), //SPT_THICK
sizeof(CSpritePtPt), //SPT_PLANAR_SYMMETRY
sizeof(CSpriteBase), //SPT_TRANSFORM_ON
sizeof(CSpriteBase), //SPT_TRANSFORM_OFF
sizeof(CSpritePt), //SPT_SHIFT
sizeof(CSpritePt), //SPT_PT
sizeof(CSpriteNumPtU8s), //SPT_POLYPT
sizeof(CSpritePtPt), //SPT_LINE
sizeof(CSpriteNumU8s), //SPT_POLYLINE
sizeof(CSpritePtPt), //SPT_RECT
sizeof(CSpritePtPtAng), //SPT_ROTATED_RECT
sizeof(CSpritePtRad), //SPT_CIRCLE
sizeof(CSpritePtWHAng), //SPT_ELLIPSE
sizeof(CSpritePtWHAngSides), //SPT_POLYGON
sizeof(CSpriteNumU8s), //SPT_BSPLINE2
sizeof(CSpriteNumU8s), //SPT_BSPLINE2_CLOSED
sizeof(CSpriteNumU8s), //SPT_BSPLINE3
sizeof(CSpriteNumU8s), //SPT_BSPLINE3_CLOSED
sizeof(CSpritePt), //SPT_FLOOD_FILL
sizeof(CSpritePt), //SPT_FLOOD_FILL_NOT
sizeof(CSpritePtWHU8s), //SPT_BITMAP
sizeof(CSpriteMeshU8s), //SPT_MESH
sizeof(CSpritePtMeshU8s), //SPT_SHIFTABLE_MESH
sizeof(CSpritePtPt), //SPT_ARROW
sizeof(CSpritePtStr), //SPT_TEXT
sizeof(CSpritePtStr), //SPT_TEXT_BOX
sizeof(CSpritePtStr), //SPT_TEXT_DIAMOND
};
I64 SpriteElemQuedBaseSize(I64 type)
{
return sprite_elem_base_sizes[type&SPG_TYPE_MASK]+offset(CSprite.start);
}
I64 SpriteElemSize(CSprite *tmpg)
{
I64 i=sprite_elem_base_sizes[tmpg->type&SPG_TYPE_MASK];
switch (tmpg->type&SPG_TYPE_MASK) {
case SPT_POLYLINE:
i+=tmpg->nu.num*sizeof(CD2I32);
break;
case SPT_TEXT:
case SPT_TEXT_BOX:
case SPT_TEXT_DIAMOND:
i+=StrLen(tmpg->ps.st)+1;
break;
case SPT_BITMAP:
i+=((tmpg->pwhu.width+7)&~7)*tmpg->pwhu.height;
break;
case SPT_POLYPT:
i+=(tmpg->npu.num*3+7)>>3;
break;
case SPT_BSPLINE2:
case SPT_BSPLINE3:
case SPT_BSPLINE2_CLOSED:
case SPT_BSPLINE3_CLOSED:
i+=tmpg->nu.num*sizeof(CD3I32);
break;
case SPT_MESH:
i+=tmpg->mu.vertex_cnt*sizeof(CD3I32)+
tmpg->mu.tri_cnt*sizeof(CMeshTri);
break;
case SPT_SHIFTABLE_MESH:
i+=tmpg->pmu.vertex_cnt*sizeof(CD3I32)+
tmpg->pmu.tri_cnt*sizeof(CMeshTri);
break;
}
return i;
}
public I64 SpriteSize(U8 *elems)
{//Walk sprite elements and return size of sprite as binary data.
CSprite *tmpg=elems-offset(CSprite.start),*tmpg1=tmpg;
while (tmpg->type&SPG_TYPE_MASK)
tmpg(U8 *)+=SpriteElemSize(tmpg);
return tmpg(U8 *)-tmpg1(U8 *)+sprite_elem_base_sizes[SPT_END];
}
I64 SpriteTypeMask(U8 *elems)
{
I64 res=0;
CSprite *tmpg=elems-offset(CSprite.start);
while (tmpg->type&SPG_TYPE_MASK) {
if (tmpg->type&SPG_TYPE_MASK>=SPT_TYPES_NUM)
return 1<<SPT_TYPES_NUM;
Bts(&res,tmpg->type&SPG_TYPE_MASK);
tmpg(U8 *)+=SpriteElemSize(tmpg);
}
return res;
}
U0 SpriteSelAll(U8 *elems,Bool val)
{
CSprite *tmpg=elems-offset(CSprite.start);
while (tmpg->type&SPG_TYPE_MASK) {
BEqu(&tmpg->type,SPf_SEL,val);
tmpg(U8 *)+=SpriteElemSize(tmpg);
}
}
public U8 *DC2Sprite(CDC *tmpb)
{//Convert device context to sprite.
CSprite *tmpg;
tmpg=CAlloc(sprite_elem_base_sizes[SPT_BITMAP]+
tmpb->width_internal*tmpb->height+
sprite_elem_base_sizes[SPT_END])
(U8 *)-offset(CSprite.start);
tmpg->type=SPT_BITMAP;
tmpg->pwhu.width=tmpb->width;
tmpg->pwhu.height=tmpb->height;
tmpg->pwhu.x1=0;
tmpg->pwhu.y1=0;
MemCpy(&tmpg->pwhu.u,tmpb->body,tmpb->width_internal*tmpb->height);
return tmpg(U8 *)+offset(CSprite.start);
}
public U8 *SpriteElem2Summary(CSprite *tmpg)
{//Study /Demo/Graphics/SpriteText.HC.
U8 buf[STR_LEN],buf2[STR_LEN];
I32 *ptr;
StrPrint(buf,"%Z",tmpg->type&SPG_TYPE_MASK,"ST_SPRITE_ELEM_TYPES");
switch (tmpg->type&SPG_TYPE_MASK) {
case SPT_COLOR:
CatPrint(buf,"%s",Color2Str(buf2,tmpg->c.color));
break;
case SPT_DITHER_COLOR:
CatPrint(buf,"%s",Color2Str(buf2,ROPF_DITHER|tmpg->d.dither_color.u8[0]|
tmpg->d.dither_color.u8[1]<<COLORROP_BITS));
break;
case SPT_PT:
case SPT_FLOOD_FILL:
case SPT_FLOOD_FILL_NOT:
case SPT_SHIFT:
CatPrint(buf,"(%d,%d)",tmpg->p.x1,tmpg->p.y1);
break;
case SPT_LINE:
case SPT_ARROW:
case SPT_PLANAR_SYMMETRY:
case SPT_RECT:
case SPT_ROTATED_RECT:
CatPrint(buf,"(%d,%d),(%d,%d)",tmpg->pp.x1,tmpg->pp.y1,
tmpg->pp.x2,tmpg->pp.y2);
break;
case SPT_CIRCLE:
CatPrint(buf,"(%d,%d):%dR",tmpg->pr.x1,tmpg->pr.y1,tmpg->pr.radius);
break;
case SPT_THICK:
CatPrint(buf,"%d",tmpg->t.thick);
break;
case SPT_TEXT:
case SPT_TEXT_BOX:
case SPT_TEXT_DIAMOND:
CatPrint(buf,"%d,%d:%-16t$Q",tmpg->ps.x1,tmpg->ps.y1,tmpg->ps.st);
break;
case SPT_POLYLINE:
case SPT_POLYPT:
ptr=&tmpg->npu.x;
CatPrint(buf,"%d(%d,%d)",tmpg->npu.num,ptr[0],ptr[1]);
break;
case SPT_ELLIPSE:
case SPT_POLYGON:
case SPT_BITMAP:
CatPrint(buf,"(%d,%d):%dW,%dH",tmpg->pwhu.x1,tmpg->pwhu.y1,
tmpg->pwhu.width,tmpg->pwhu.height);
break;
case SPT_BSPLINE2:
case SPT_BSPLINE3:
case SPT_BSPLINE2_CLOSED:
case SPT_BSPLINE3_CLOSED:
CatPrint(buf,"%d",tmpg->nu.num);
break;
case SPT_MESH:
CatPrint(buf,"%dV,%dT",tmpg->mu.vertex_cnt,tmpg->mu.tri_cnt);
break;
case SPT_SHIFTABLE_MESH:
CatPrint(buf,"%dV,%dT",tmpg->pmu.vertex_cnt,tmpg->pmu.tri_cnt);
break;
}
return StrNew(buf);
}