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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 = ImagingNew2Dirty(imIn->mode, imOut, imIn);
if (!imOut) {
return NULL;
}
ImagingCopyPalette(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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