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OpenSolaris 2009.06 - man page for mlib_imageextrema2_fp (opensolaris section 3mlib)

mlib_ImageExtrema2(3MLIB)				    mediaLib Library Functions					 mlib_ImageExtrema2(3MLIB)

NAME
mlib_ImageExtrema2, mlib_ImageExtrema2_Fp - image extrema
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageExtrema2(mlib_s32 *min, mlib_s32 *max, const mlib_image *img, mlib_s32 xStart, mlib_s32 yStart, mlib_s32 xPeriod, mlib_s32 yPeriod); mlib_status mlib_ImageExtrema2_Fp(mlib_d64 *min, mlib_d64 *max, const mlib_image *img, mlib_s32 xStart, mlib_s32 yStart, mlib_s32 xPeriod, mlib_s32 yPeriod);
DESCRIPTION
Each of the functions determines the extrema values for each channel in an image, possibly with subsampling. It uses the following equation: min[i] = MIN{ img[x][y][i] } max[i] = MAX{ img[x][y][i] } where x = xStart + p*xPeriod; 0 <= p < (w - xStart)/xPeriod y = yStart + q*yPeriod; 0 <= q < (h - yStart)/yPeriod
PARAMETERS
Each of the functions takes the following arguments: min Pointer to minimum vector, where length is the number of channels in the image. min[i] contains the minimum of channel i. max Pointer to maximum vector, where length is the number of channels in the image. max[i] contains the maximum of channel i. img Pointer to a source image. xStart Initial X sample coordinate. yStart Initial Y sample coordinate. xPeriod X sample rate. xPeriod >= 1. yPeriod Y sample rate. yPeriod >= 1.
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_ImageExtremaLocations(3MLIB), mlib_ImageMaximum(3MLIB), mlib_ImageMaximum_Fp(3MLIB), mlib_ImageMinimum(3MLIB), mlib_ImageMini- mum_Fp(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_ImageExtrema2(3MLIB)

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