'\" te
.\" Copyright (c) 2007, Sun Microsystems, Inc.  All Rights Reserved 
.TH mlib_ImageChannelCopy 3MLIB "2 Mar 2007" "SunOS 5.11" "mediaLib Library Functions"
.SH NAME
mlib_ImageChannelCopy \- channel copy
.SH SYNOPSIS
.LP
.nf
cc [ \fIflag\fR... ] \fIfile\fR... \fB-lmlib\fR [ \fIlibrary\fR... ]
#include <mlib.h>

\fBmlib_status\fR \fBmlib_ImageChannelCopy\fR(\fBmlib_image *\fR\fIdst\fR, \fBconst mlib_image *\fR\fIsrc\fR,
     \fBmlib_s32\fR \fIcmask\fR);
.fi

.SH DESCRIPTION
.sp
.LP
The \fBmlib_ImageChannelCopy()\fR function copies the selected channels of the source image into the corresponding channels of the destination image. The data type of the image can be \fBMLIB_BYTE\fR, \fBMLIB_SHORT\fR, \fBMLIB_USHORT\fR, \fBMLIB_INT\fR, \fBMLIB_FLOAT\fR, or \fBMLIB_DOUBLE\fR.
.SH PARAMETERS
.sp
.LP
The function takes the following arguments:
.sp
.ne 2
.mk
.na
\fB\fIdst\fR\fR
.ad
.RS 9n
.rt  
Pointer to a destination image.
.RE

.sp
.ne 2
.mk
.na
\fB\fIsrc\fR\fR
.ad
.RS 9n
.rt  
Pointer to a source image.
.RE

.sp
.ne 2
.mk
.na
\fB\fIcmask\fR\fR
.ad
.RS 9n
.rt  
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.
.RE

.SH RETURN VALUES
.sp
.LP
The function returns \fBMLIB_SUCCESS\fR if successful. Otherwise it returns \fBMLIB_FAILURE\fR.
.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp

.sp
.TS
tab() box;
cw(2.75i) |cw(2.75i) 
lw(2.75i) |lw(2.75i) 
.
ATTRIBUTE TYPEATTRIBUTE VALUE
_
Interface StabilityCommitted
_
MT-LevelMT-Safe
.TE

.SH SEE ALSO
.sp
.LP
\fBmlib_ImageChannelExtract\fR(3MLIB), \fBmlib_ImageChannelInsert\fR(3MLIB), \fBmlib_ImageChannelMerge\fR(3MLIB), \fBmlib_ImageChannelSplit\fR(3MLIB), \fBattributes\fR(5)