mlib_VideoColorRGBint_to_BmediaLibMLibrmlib_VideoColorRGBint_to_BGRAint(3MLIB)NAMEmlib_VideoColorRGBint_to_BGRAint - convert RGB interleaved to BGRA
interleaved
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
void mlib_VideoColorRGBint_to_BGRAint(mlib_u8 *bgra,
const mlib_u8 *rgb, const mlib_u8 *a_array,
mlib_u8 a_const, mlib_s32 w, mlib_s32 h,
mlib_s32 dlb, mlib_s32 slb, mlib_s32 alb);
DESCRIPTION
The interleaved RGB stream and the A values are combined into an inter‐
leaved BGRA byte stream.
The alpha values for this function work in the following fashion:
o If the a_array pointer is not NULL, the values are taken
from there. It has to have the at least 1/3 the dimension of
the RGB buffer.
o If the a_array pointer is NULL, the alpha values for every
pixel are set to a_const.
In other words, this function's inner loop works like this:
bgra[0] = rgb[2];
bgra[1] = rgb[1];
bgra[2] = rgb[0];
bgra[3] = (a_array == NULL) ? a_const : a_array[0];
PARAMETERS
The function takes the following arguments:
bgra Pointer to the output BGRA buffer.
rgb Pointer to the input RGB buffer.
a_array Pointer to the alpha buffer.
a_const Constant alpha value.
w Image width in pixels.
h Image height in lines.
dlb Linebytes of the output buffer.
slb Linebytes of the input buffer.
alb Linebytes of the alpha buffer.
RETURN VALUES
None.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOmlib_VideoColorRGBint_to_ABGRint(3MLIB), attributes(5)SunOS 5.10 2 Marmlib_VideoColorRGBint_to_BGRAint(3MLIB)
