mlib_ImageConstDiv (3MLIB)

Name

mlib_ImageConstDiv - division into a constant

Synopsis

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

mlib_status mlib_ImageConstDiv(mlib_image *dst, const mlib_image *src,
     const mlib_d64 *c);

Description

The mlib_ImageConstDiv() function divides each pixel in an image into a constant value on a pixel-by-pixel basis.

It uses the following equation:

dst[x][y][i] = c[i] / src[x][y][i]

In the case of src[x][y][i] = 0,

dst[x][y][i] = 0              if c[i] = 0
dst[x][y][i] = DATA_TYPE_MAX  if c[i] > 0
dst[x][y][i] = DATA_TYPE_MIN  if c[i] < 0

where DATA_TYPE is MLIB_U8, MLIB_S16, MLIB_U16, or MLIB_S32 for an image of type MLIB_BYTE, MLIB_SHORT, MLIB_USHORT, or MLIB_INT, respectively.

Parameters

The function takes the following arguments:

dst

Pointer to destination image.

src

Pointer to source image.

c

Constant into which each pixel is divided. c[i] contains the constant for channel i.

Return Values

The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

Attributes

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

ATTRIBUTE TYPE ATTRIBUTE VALUE Interface Stability Committed MT-Level MT-Safe

See also

mlib_ImageConstDiv_Fp(3MLIB), mlib_ImageConstDiv_Fp_Inp(3MLIB), mlib_ImageConstDiv_Inp(3MLIB), mlib_ImageConstDivShift(3MLIB), mlib_ImageConstDivShift_Inp(3MLIB), attributes(5)