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mlib_imageaffinetransform(3mlib) [opensolaris man page]

mlib_ImageAffineTransform(3MLIB)			    mediaLib Library Functions				  mlib_ImageAffineTransform(3MLIB)

NAME
mlib_ImageAffineTransform - affine transformation on an image, checking the matrix first SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_ImageAffineTransform(mlib_image *dst, const mlib_image *src, const mlib_d64 *mtx, mlib_filter filter, mlib_edge edge); DESCRIPTION
The mlib_ImageAffineTransform() function does affine transformation on an image, checking the matrix first and taking advantage of special cases. The following equation represents the affine transformation: xd = a*xs + b*ys + tx yd = c*xs + d*ys + ty where a point with coordinates (xs, ys) in the source image is mapped to a point with coordinates (xd, yd) in the destination image. The data type of the images can be MLIB_BIT, MLIB_BYTE, MLIB_SHORT, MLIB_USHORT, or MLIB_INT. The width and height of the destination image can be different from the width and height of the source image. The center of the upper-left corner pixel of an image is located at (0.5, 0.5). PARAMETERS
The function takes the following arguments: dst Pointer to destination image. src Pointer to source image. mtx Transformation matrix. mtx[0] holds a; mtx[1] holds b; mtx[2] holds tx; mtx[3] holds c; mtx[4] holds d; mtx[5] holds ty. filter Type of resampling filter. It can be one of the following: MLIB_NEAREST MLIB_BILINEAR MLIB_BICUBIC MLIB_BICUBIC2 edge Type of edge condition. It can be one of the following: MLIB_EDGE_DST_NO_WRITE MLIB_EDGE_DST_FILL_ZERO MLIB_EDGE_OP_NEAREST MLIB_EDGE_SRC_EXTEND MLIB_EDGE_SRC_PADDED 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_ImageAffine(3MLIB), mlib_ImageAffine_Fp(3MLIB), mlib_ImageAffineIndex(3MLIB), mlib_ImageAffineTransform_Fp(3MLIB), mlib_ImageAffine- TransformIndex(3MLIB), mlib_ImageSetPaddings(3MLIB), attributes(5) SunOS 5.11 2 Mar 2007 mlib_ImageAffineTransform(3MLIB)

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