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/*
* The Python Imaging Library
* $Id$
*
* copy image
*
* history:
* 95-11-26 fl Moved from Imaging.c
* 97-05-12 fl Added ImagingCopy2
* 97-08-28 fl Allow imOut == NULL in ImagingCopy2
*
* Copyright (c) Fredrik Lundh 1995-97.
* Copyright (c) Secret Labs AB 1997.
*
* See the README file for details on usage and redistribution.
*/
#include "Imaging.h"
static Imaging
_copy(Imaging imOut, Imaging imIn)
{
ImagingSectionCookie cookie;
int y;
if (!imIn)
return (Imaging) ImagingError_ValueError(NULL);
imOut = ImagingNew2(imIn->mode, imOut, imIn);
if (!imOut)
return NULL;
ImagingCopyInfo(imOut, imIn);
ImagingSectionEnter(&cookie);
if (imIn->block != NULL && imOut->block != NULL)
memcpy(imOut->block, imIn->block, imIn->ysize * imIn->linesize);
else
for (y = 0; y < imIn->ysize; y++)
memcpy(imOut->image[y], imIn->image[y], imIn->linesize);
ImagingSectionLeave(&cookie);
return imOut;
}
Imaging
ImagingCopy(Imaging imIn)
{
return _copy(NULL, imIn);
}
Imaging
ImagingCopy2(Imaging imOut, Imaging imIn)
{
return _copy(imOut, imIn);
}
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