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63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/*
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* The Python Imaging Library
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* $Id: Access.c 2134 2004-10-06 08:55:20Z fredrik $
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*
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* imaging access objects
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*
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* an access object can convert image data on the fly
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*
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* history:
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* 98-12-29 fl Created
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*
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* Copyright (c) Secret Labs AB 1998.
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*
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* See the README file for information on usage and redistribution.
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*/
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#include "Imaging.h"
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static void
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access_destroy(ImagingAccess access)
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{
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/* nop */
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}
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static int
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access_getline(ImagingAccess access, char* buffer, int y)
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{
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memcpy(buffer, access->im->image[y], access->im->linesize);
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return 1;
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}
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ImagingAccess
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ImagingAccessNew(Imaging im)
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{
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/* Create a standard access object */
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ImagingAccess access;
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access = calloc(1, sizeof(struct ImagingAccessInstance));
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if (!access)
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return (ImagingAccess) ImagingError_MemoryError();
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access->im = im;
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access->getline = access_getline;
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access->destroy = access_destroy;
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return access;
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}
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void
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ImagingAccessDelete(ImagingAccess access)
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{
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if (!access)
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return;
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if (access->destroy)
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access->destroy(access);
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free(access);
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}
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