mlib_VideoColorRGBint_to_ABGRint

- convert RGB interleaved to ABGR interleaved

Synopsis

cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>

void mlib_VideoColorRGBint_to_ABGRint(mlib_u32 *ABGR,
     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 A, B, G, R interleaved byte stream. Within each 24-bit input pixel, the component ordering is R (bits 23-16), G (bits 15-8), and B (bits 7-0). Within each 32-bit output word, the component ordering is A (bits 31-24), B (bits 23-16), G (bits 15-8), and R (bits 7-0).

The alpha values for this function work in the following fashion:

• If A_array pointer is not NULL, the values are taken from there. It has to have the same dimensions as the R, G, and B buffers.

• If A_array pointer is NULL, the alpha values for every pixel are set to A_const.

Parameters

The function takes the following arguments:

ABGR

Pointer to output buffer.

RGB

Pointer to input buffer.

A_array

Array of alpha values.

A_const

Constant alpha value.

w

Image width in pixels.

h

Image height in lines.

dlb

Linebytes for output buffer.

slb

Linebytes for input buffer.

alb

Linebytes for alpha buffer.

Return Values

None.

Attributes

See attributes(5) for descriptions of the following attributes:

See Also

mlib_VideoColorRGBseq_to_ABGRint(3MLIB), mlib_VideoColorBGRint_to_ABGRint(3MLIB), mlib_VideoColorRGBXint_to_ABGRint(3MLIB), mlib_VideoColorRGBXint_to_ARGBint(3MLIB), mlib_VideoColorXRGBint_to_ABGRint(3MLIB), mlib_VideoColorXRGBint_to_ARGBint(3MLIB), attributes(5)