virtual L_INT LBitmapBase::GetColors(nIndex, nCount, pPalette)
Loads your palette with selected colors of a class object's bitmap.
The index of the first color to be retrieved.
The number of colors to retrieve.
Pointer to an array of RGBQUAD structures that will receive the colors.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Your palette can be smaller than the bitmap's palette, as long as it is big enough to hold the selected colors. For the reverse action, refer to LBitmapBase::PutColors.
Win32, x64.
L_INT LBitmapBase__GetColorsExample()
{
L_INT nRet;
LBitmapBase MyBitmap;
RGBQUAD Colors[256];
MyBitmap.SetFileName(MAKE_IMAGE_PATH(TEXT("image1.cmp")));
nRet =MyBitmap.Load(8);//load at 8 bit per pixel
if(nRet !=SUCCESS)
return nRet;
nRet =MyBitmap.GetColors(0, 255, Colors) ;
if(nRet !=SUCCESS)
return nRet;
return SUCCESS;
}
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