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86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
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/*
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File: CGBitmapContext.h
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Contains: CoreGraphics BitMapContext
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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#ifndef CGBITMAPCONTEXT_H_
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#define CGBITMAPCONTEXT_H_
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#ifndef __CGBASE__
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#include <CGBase.h>
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#endif
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#ifndef __CGCONTEXT__
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#include <CGContext.h>
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#endif
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/* Create a bitmap context. The context draws into a bitmap which is
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* `width' pixels wide and `height' pixels high. The number of components
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* for each pixel is specified by `colorspace', which also may specify a
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* destination color profile. The number of bits for each component of a
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* pixel is specified by `bitsPerComponent', which must be 1, 2, 4, or 8.
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* Each row of the bitmap consists of `bytesPerRow' bytes, which must be at
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* least `(width * bitsPerComponent * number of components + 7)/8' bytes.
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* `data' points a block of memory at least `bytesPerRow * height' bytes.
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* `alphaInfo' specifies whether the bitmap should contain an alpha
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* channel, and how it's to be generated. */
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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/*
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* CGBitmapContextCreate()
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*
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* Availability:
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* Non-Carbon CFM: not available
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* CarbonLib: not available
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( CGContextRef )
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CGBitmapContextCreate(
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void * data,
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size_t width,
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size_t height,
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size_t bitsPerComponent,
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size_t bytesPerRow,
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CGColorSpaceRef colorspace,
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CGImageAlphaInfo alphaInfo);
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* CGBITMAPCONTEXT_H_ */
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