Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageColorRGB2Mono_Fp(mlib_image *dst, const mlib_image *src, const mlib_d64 *weight);
The mlib_ImageColorRGB2Mono_Fp() function performs a conversion from a red/green/blue to a monochromatic image. The source image must be a three-channel image. The destination image must be a single-channel image.
It uses the following equation:
dst[x][y][0] = weight[0]*src[x][y][0] + weight[1]*src[x][y][1] + weight[2]*src[x][y][2]
The function takes the following arguments:
Pointer to destination image.
Pointer to source image.
Array of three blending coefficients. It is recommended that these sum to 1.0, but it is not required.
The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Committed |
MT-Level |
MT-Safe |
mlib_ImageColorRGB2CIEMono(3MLIB), mlib_ImageColorRGB2CIEMono_Fp(3MLIB), mlib_ImageColorRGB2Mono(3MLIB), attributes(5)
Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also