virtual L_INT LBitmap::SwapColors(uFlags = 0)
Swaps the specified color channels.
Flag that indicates which color channels to swap. Possible values are:
Value | Meaning |
---|---|
SWAP_RG | Swap the red and green channels. (Change red to green and green to red.) |
SWAP_RB | Swap the red and blue channels. (Change red to blue and blue to red.) |
SWAP_GB | Swap the green and blue channels. (Change green to blue and blue to green.) |
SWAP_RGBR | Change red to green, green to blue and blue to red. |
SWAP_RBGR | Change red to blue, blue to green and green to red. |
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function changes the data of the class object's bitmap.
This function can process the whole image or a region of the image.
This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
This function supports signed data images.
This function does not support 32-bit grayscale images. It returns the error code ERROR_GRAY32_UNSUPPORTED if a 32-bit grayscale image is passed to this function.
Win32, x64.
L_INT LBitmap__SwapColorsExample(LBitmap & Bitmap, L_TCHAR * szFileName)
{
L_INT nRet;
nRet =Bitmap.Load(szFileName);
if(nRet !=SUCCESS)
return nRet;
return Bitmap.SwapColors(SWAP_RB);
}
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