Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageScalarBlend_Fp_Inp(mlib_image *src1dst, const mlib_image *src2, const mlib_d64 *alpha);
The mlib_ImageScalarBlend_Fp_Inp() function blends the first and second floating-point source images by adding each of their scaled pixels in place. The first source image is scaled by the scalar a, and the second source image is inverse scaled by (1 - a).
It uses the following equation:
src1dst[x][y][i] = a[i]*src1dst[x][y][i] + (1 - a[i])*src2[x][y][i]
The function takes the following arguments:
Pointer to first source and destination image.
Pointer to second source image.
Scalar blending factor. The a value equals alpha which should be in the [0.0, 1.0] range. alpha[i] contains the blending factor for channel i.
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_ImageScalarBlend(3MLIB), mlib_ImageScalarBlend_Fp(3MLIB), mlib_ImageScalarBlend_Inp(3MLIB), attributes(5)
Name | Synopsis | Description | Parameters | Return Values | Attributes | See Also