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58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
/*
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* The Python Imaging Library
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* $Id$
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*
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* copy image
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*
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* history:
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* 95-11-26 fl Moved from Imaging.c
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* 97-05-12 fl Added ImagingCopy2
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* 97-08-28 fl Allow imOut == NULL in ImagingCopy2
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*
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* Copyright (c) Fredrik Lundh 1995-97.
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* Copyright (c) Secret Labs AB 1997.
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*
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* See the README file for details on usage and redistribution.
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*/
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#include "Imaging.h"
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static Imaging
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_copy(Imaging imOut, Imaging imIn) {
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ImagingSectionCookie cookie;
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int y;
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if (!imIn) {
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return (Imaging)ImagingError_ValueError(NULL);
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}
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imOut = ImagingNew2Dirty(imIn->mode, imOut, imIn);
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if (!imOut) {
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return NULL;
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}
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ImagingCopyPalette(imOut, imIn);
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ImagingSectionEnter(&cookie);
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if (imIn->block != NULL && imOut->block != NULL) {
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memcpy(imOut->block, imIn->block, imIn->ysize * imIn->linesize);
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} else {
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for (y = 0; y < imIn->ysize; y++) {
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memcpy(imOut->image[y], imIn->image[y], imIn->linesize);
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}
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}
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ImagingSectionLeave(&cookie);
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return imOut;
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}
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Imaging
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ImagingCopy(Imaging imIn) {
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return _copy(NULL, imIn);
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}
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Imaging
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ImagingCopy2(Imaging imOut, Imaging imIn) {
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return _copy(imOut, imIn);
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}
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