mlib_imagecolortrue2indexfree(3mlib) [opensolaris man page]
mlib_ImageColorTrue2IndexFree(3MLIB) mediaLib Library Functions mlib_ImageColorTrue2IndexFree(3MLIB) NAME
mlib_ImageColorTrue2IndexFree - releases the internal data structure for true color to indexed color conversion SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> void mlib_ImageColorTrue2IndexFree(void *colormap); DESCRIPTION
The mlib_ImageColorTrue2IndexFree() function releases the internal data structure, colormap, which was created by mlib_ImageCol- orTrue2IndexInit() and was used by one of the following functions: mlib_ImageColorTrue2Index mlib_ImageColorErrorDiffusion3x3 mlib_ImageColorOrderedDither8x8 PARAMETERS
The function takes the following arguments: colormap Internal data structure for inverse color mapping. 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 ALSO
mlib_ImageColorErrorDiffusion3x3(3MLIB), mlib_ImageColorOrderedDither8x8(3MLIB), mlib_ImageColorTrue2Index(3MLIB), mlib_ImageCol- orTrue2IndexInit(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_ImageColorTrue2IndexFree(3MLIB)
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mlib_ImageColorErrorDiffusion3x3(3MLIB) mediaLib Library Functions mlib_ImageColorErrorDiffusion3x3(3MLIB) NAME
mlib_ImageColorErrorDiffusion3x3 - true color to indexed color conversion using error diffusion SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageColorErrorDiffusion3x3(mlib_image *dst, const mlib_image *src, const mlib_s32 *kernel, mlib_s32 scale, const void *colormap); DESCRIPTION
The mlib_ImageColorErrorDiffusion3x3() function converts a true color image to a pseudo color image with the method of error diffusion dithering. The source image can be an MLIB_BYTE or MLIB_SHORT image with three or four channels. The destination must be a single-channel MLIB_BYTE or MLIB_SHORT image. The last parameter, colormap, is an internal data structure for inverse color mapping. Create it by calling the mlib_ImageColorTrue2Index- Init() function. PARAMETERS
The function takes the following arguments: dst Pointer to destination or destination image. src Pointer to source or source image. kernel Pointer to the 3x3 error-distribution kernel, in row major order. scale The scaling factor for kernel to convert the input integer coefficients into floating-point coefficients: floating-point coefficient = integer coefficient * 2**(-scale) colormap Internal data structure for inverse color mapping. 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 |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
mlib_ImageColorOrderedDither8x8(3MLIB), mlib_ImageColorTrue2Index(3MLIB), mlib_ImageColorTrue2IndexFree(3MLIB), mlib_ImageColorTrue2Index- Init(3MLIB), attributes(5) SunOS 5.10 10 Nov 2004 mlib_ImageColorErrorDiffusion3x3(3MLIB)