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mlib_imagechannelextract(3mlib) [opensolaris man page]

mlib_ImageChannelExtract(3MLIB) 			    mediaLib Library Functions				   mlib_ImageChannelExtract(3MLIB)

mlib_ImageChannelExtract - channel extract SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageChannelExtract(mlib_image *dst, const mlib_image *src, mlib_s32 cmask); DESCRIPTION
In the mlib_ImageChannelExtract() function, the selected N channels in the source image are copied into the destination image, where N is the number of channels in the destination image. If more than N channels are selected, then the leftmost N channels are extracted. If less than N channels are selected, then the function returns failure status. The channel mask is defined with respect to the source image. The data type of the image can be MLIB_BYTE, MLIB_SHORT, MLIB_USHORT, MLIB_INT, MLIB_FLOAT, or MLIB_DOUBLE. PARAMETERS
The function takes the following arguments: dst Pointer to a destination image. src Pointer to a source image. cmask Source or destination channel selection mask. Each bit of the mask represents a channel in the image data. The least significant bit (LSB) of the mask corresponds to the last channel in the image data. A bit with a value of 1 indicates that the channel is selected. 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_ImageChannelCopy(3MLIB), mlib_ImageChannelInsert(3MLIB), mlib_ImageChannelMerge(3MLIB), mlib_ImageChannelSplit(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_ImageChannelExtract(3MLIB)

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