void CFilterColorizeEntry::GetImage (const CCompositeImageSelector &Selector, CObjectImageArray *retImage)
// GetImage
//
// Fills in the image
{
// Null case
if (m_pSource == NULL)
{
*retImage = EMPTY_IMAGE;
return;
}
// Get the source image (which we want to colorize)
CObjectImageArray Source;
m_pSource->GetImage(Selector, &Source);
const RECT &rcSource = Source.GetImageRect();
CG16bitImage &SourceImage = Source.GetImage(NULL_STR);
int cxWidth = RectWidth(rcSource);
int cyHeight = RectHeight(rcSource);
if (Source.IsEmpty() || cxWidth == 0 || cyHeight == 0)
{
*retImage = EMPTY_IMAGE;
return;
}
// Create the destination image
CG16bitImage *pDest = new CG16bitImage;
pDest->CreateBlank(cxWidth, cyHeight, SourceImage.HasAlpha());
if (!SourceImage.HasAlpha())
pDest->SetTransparentColor();
// Blt the to the destination with colorization
CopyBltColorize(*pDest,
0,
0,
cxWidth,
cyHeight,
SourceImage,
rcSource.left,
rcSource.top,
m_dwHue,
m_dwSaturation);
// Initialize an image
RECT rcFinalRect;
rcFinalRect.left = 0;
rcFinalRect.top = 0;
rcFinalRect.right = cxWidth;
rcFinalRect.bottom = cyHeight;
CObjectImageArray Comp;
Comp.Init(pDest, rcFinalRect, 0, 0, true);
// Done
retImage->TakeHandoff(Comp);
}
