void WDL_VirtualSlider_PreprocessSkinConfig(WDL_VirtualSlider_SkinConfig *a)
{
if (a&&a->thumbimage[0])
{
int w=a->thumbimage[0]->getWidth();
int h=a->thumbimage[0]->getHeight();
int x;
for (x = 0; x < w && LICE_GetPixel(a->thumbimage[0],x,h-1)==LICE_RGBA(255,0,255,255); x ++);
a->thumbimage_lt[0] = x;
for (x = w-1; x > a->thumbimage_lt[0]+1 && LICE_GetPixel(a->thumbimage[0],x,h-1)==LICE_RGBA(255,0,255,255); x --);
a->thumbimage_rb[0] = x;
}
if (a&&a->thumbimage[1])
{
int w=a->thumbimage[1]->getWidth();
int h=a->thumbimage[1]->getHeight();
int y;
for (y = 0; y < h-4 && LICE_GetPixel(a->thumbimage[1],w-1,y)==LICE_RGBA(255,0,255,255); y++);
a->thumbimage_lt[1] = y;
for (y = h-1; y > a->thumbimage_lt[1]+1 && LICE_GetPixel(a->thumbimage[1],w-1,y)==LICE_RGBA(255,0,255,255); y --);
a->thumbimage_rb[1] = y;
}
WDL_VirtualWnd_PreprocessBGConfig(&a->bgimagecfg[0]);
WDL_VirtualWnd_PreprocessBGConfig(&a->bgimagecfg[1]);
}
void WDL_VirtualIconButton_PreprocessSkinConfig(WDL_VirtualIconButton_SkinConfig *a)
{
if (a && a->image)
{
a->image_ltrb_used.flags=0;
int wi;
for(wi=0;wi<2;wi++)
{
LICE_IBitmap *srcimg = wi ? a->image : a->olimage;
if (!srcimg) continue;
int w=srcimg->getWidth();
int h=srcimg->getHeight();
if (LICE_GetPixel(srcimg,0,0)==LICE_RGBA(255,0,255,255)&&
LICE_GetPixel(srcimg,w-1,h-1)==LICE_RGBA(255,0,255,255))
{
int lext=0,rext=0,bext=0,text=0;
int x;
for (x = 1; x < w/3 && LICE_GetPixel(srcimg,x,0)==LICE_RGBA(255,0,255,255); x ++);
lext=x-1;
for (x = 1; x < h && LICE_GetPixel(srcimg,0,x)==LICE_RGBA(255,0,255,255); x ++);
text=x-1;
for (x = w-2; x >= (w*2/3) && LICE_GetPixel(srcimg,x,h-1)==LICE_RGBA(255,0,255,255); x --);
rext=w-2-x;
for (x = h-2; x >= text && LICE_GetPixel(srcimg,w-1,x)==LICE_RGBA(255,0,255,255); x --);
bext=h-2-x;
if (lext||text||rext||bext)
{
a->image_ltrb_used.flags |= 1 << wi;
short *buf = wi ? a->image_ltrb_main : a->image_ltrb_ol;
buf[0]=lext;
buf[1]=text;
buf[2]=rext;
buf[3]=bext;
}
}
}
}
}
static LICE_IBitmap *icoToBitmap(HICON icon, LICE_IBitmap *bmpOut)
{
int icon_w = 16, icon_h=16;
#ifdef _WIN32
ICONINFO ii={0,};
if (GetIconInfo(icon,&ii))
{
bool blah=false;
if (ii.hbmColor)
{
BITMAP bm={0,};
if (GetObject(ii.hbmColor,sizeof(bm),&bm) && bm.bmWidth && bm.bmHeight)
{
icon_w=bm.bmWidth;
icon_h=bm.bmHeight;
blah=true;
}
DeleteObject(ii.hbmColor);
}
if (ii.hbmMask)
{
BITMAP bm={0,};
if (!blah && GetObject(ii.hbmMask,sizeof(bm),&bm) && bm.bmWidth && bm.bmHeight)
{
icon_w=bm.bmWidth;
icon_h=bm.bmHeight;
}
DeleteObject(ii.hbmMask);
}
}
#else
BITMAP bm={0,};
if (GetObject(icon,sizeof(bm),&bm) && bm.bmWidth && bm.bmHeight) // SWELL's GetObject() works on icons
{
icon_w=bm.bmWidth;
icon_h=bm.bmHeight;
}
#endif
LICE_SysBitmap tempbm(icon_w*2,icon_h);
LICE_FillRect(&tempbm,0,0,icon_w,icon_h,LICE_RGBA(0,0,0,255),1.0f,LICE_BLIT_MODE_COPY);
#ifdef _WIN32
DrawIconEx(tempbm.getDC(),0,0,icon,icon_w,icon_h,0,NULL,DI_NORMAL);
#else
{
RECT r={0,0,icon_w,icon_h};
DrawImageInRect(tempbm.getDC(),icon,&r);
}
#endif
LICE_FillRect(&tempbm,icon_w,0,icon_w,icon_h,LICE_RGBA(255,255,255,255),1.0f,LICE_BLIT_MODE_COPY);
#ifdef _WIN32
DrawIconEx(tempbm.getDC(),icon_w,0,icon,icon_w,icon_h,0,NULL,DI_NORMAL);
#else
{
RECT r={icon_w,0,icon_w+icon_w,icon_h};
DrawImageInRect(tempbm.getDC(),icon,&r);
}
#endif
if (!bmpOut) bmpOut = new LICE_MemBitmap(icon_w,icon_h);
else bmpOut->resize(icon_w,icon_h);
int y; // since we have the image drawn on white and on black, we can calculate the alpha channel...
for(y=0;y<icon_h;y++)
{
int x;
for(x=0;x<icon_w;x++)
{
LICE_pixel p = LICE_GetPixel(&tempbm,x,y);
LICE_pixel p2 = LICE_GetPixel(&tempbm,x+icon_w,y);
int r1=LICE_GETR(p);
int g1=LICE_GETG(p);
int b1=LICE_GETB(p);
int alpha=255 - (LICE_GETR(p2)-r1);
if (alpha>=255) alpha=255;
else if (alpha>0)
{
r1 = (r1*255)/alpha; // LICE stores its alpha channel non-premultiplied, so we need to scale these up.
g1 = (g1*255)/alpha;
b1 = (b1*255)/alpha;
if (r1>255)r1=255;
if (g1>255)g1=255;
if (b1>255)b1=255;
}
else alpha=0;
LICE_PutPixel(bmpOut,x,y,LICE_RGBA(r1,g1,b1,alpha),1.0f,LICE_BLIT_MODE_COPY);
}
}
return bmpOut;
}
