Converts the image to a grayscale level by reducing the saturation of each color to zero. The conversion will not change the color resolution.
L_LTIMGCLR_API L_INT L_DesaturateBitmap(pBitmap, uFlags)
Pointer to the bitmap handle that references the bitmap on which to apply the effect.
Reserved for future use. Must be 0.
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.
The bitmap is converted to a grayscale level by reducing the saturation of each color to zero.
This function supports only RGB images. It does not support grayscale images.
Support for 48-bit and 64-bit colored images are available in the Document/Medical Imaging toolkits.
To update a status bar or detect a user interrupt during execution of this function, refer to L_SetStatusCallback.
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.
Desaturate Function - Before
Desaturate Function - After
View additional platform support for this Desaturate function.
Win32, x64, Linux.
BITMAPHANDLE LeadBitmap; /* Bitmap handle for the image */
/* Load a bitmap at its own bits per pixel */
nRet = L_LoadBitmap(MAKE_IMAGE_PATH(TEXT("sample5.cmp")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
/* Apply deSaturate effect on the image*/
nRet = L_DesaturateBitmap(&LeadBitmap, 0);
nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL);
Medical Web Viewer .NET
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C API/C++ Class Libraries