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/*
File: CGImage.h
Contains: CoreGraphics images
Version: QuickTime 7.3
Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved.
Bugs?: For bug reports, consult the following page on
the World Wide Web:
http://developer.apple.com/bugreporter/
*/
#ifndef CGIMAGE_H_
#define CGIMAGE_H_
#ifndef __CGBASE__
#include <CGBase.h>
#endif
#ifndef __CGCOLORSPACE__
#include <CGColorSpace.h>
#endif
#ifndef __CGDATAPROVIDER__
#include <CGDataProvider.h>
#endif
#if PRAGMA_ONCE
#pragma once
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if PRAGMA_IMPORT
#pragma import on
#endif
#if PRAGMA_ENUM_ALWAYSINT
#if defined(__fourbyteints__) && !__fourbyteints__
#define __CGIMAGE__RESTORE_TWOBYTEINTS
#pragma fourbyteints on
#endif
#pragma enumsalwaysint on
#elif PRAGMA_ENUM_OPTIONS
#pragma option enum=int
#elif PRAGMA_ENUM_PACK
#if __option(pack_enums)
#define __CGIMAGE__RESTORE_PACKED_ENUMS
#pragma options(!pack_enums)
#endif
#endif
typedef struct CGImage* CGImageRef;
enum CGImageAlphaInfo {
kCGImageAlphaNone = 0,
kCGImageAlphaPremultipliedLast = 1, /* For example, premultiplied RGBA */
kCGImageAlphaPremultipliedFirst = 2, /* For example, premultiplied ARGB */
kCGImageAlphaLast = 3, /* For example, non-premultiplied RGBA */
kCGImageAlphaFirst = 4, /* For example, non-premultiplied ARGB */
kCGImageAlphaNoneSkipLast = 5, /* Equivalent to kCGImageAlphaNone. */
kCGImageAlphaNoneSkipFirst = 6
};
typedef enum CGImageAlphaInfo CGImageAlphaInfo;
/* Create an image. */
/*
* CGImageCreate()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGImageRef )
CGImageCreate(
size_t width,
size_t height,
size_t bitsPerComponent,
size_t bitsPerPixel,
size_t bytesPerRow,
CGColorSpaceRef colorspace,
CGImageAlphaInfo alphaInfo,
CGDataProviderRef provider,
const float decode[],
int shouldInterpolate,
CGColorRenderingIntent intent);
/* Create an image mask. */
/*
* CGImageMaskCreate()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGImageRef )
CGImageMaskCreate(
size_t width,
size_t height,
size_t bitsPerComponent,
size_t bitsPerPixel,
size_t bytesPerRow,
CGDataProviderRef provider,
const float decode[],
int shouldInterpolate);
/* Create an image from `source', a data provider of JPEG-encoded data. */
/*
* CGImageCreateWithJPEGDataProvider()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( CGImageRef )
CGImageCreateWithJPEGDataProvider(
CGDataProviderRef source,
const float decode[],
int shouldInterpolate,
CGColorRenderingIntent intent);
/* Increment the retain count of `image' and return it. All images are
* created with an initial retain count of 1. */
/*
* CGImageRetain()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGImageRef )
CGImageRetain(CGImageRef image);
/* Decrement the retain count of `image'. If the retain count reaches 0,
* then release it and any associated resources. */
/*
* CGImageRelease()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( void )
CGImageRelease(CGImageRef image);
/* Return 1 if `image' is an image mask, 0 otherwise. */
/*
* CGImageIsMask()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( int )
CGImageIsMask(CGImageRef image);
/* Return the width of `image'. */
/*
* CGImageGetWidth()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( size_t )
CGImageGetWidth(CGImageRef image);
/* Return the height of `image'. */
/*
* CGImageGetHeight()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( size_t )
CGImageGetHeight(CGImageRef image);
/* Return the number of bits/component of `image'. */
/*
* CGImageGetBitsPerComponent()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( size_t )
CGImageGetBitsPerComponent(CGImageRef image);
/* Return the number of bits/pixel of `image'. */
/*
* CGImageGetBitsPerPixel()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( size_t )
CGImageGetBitsPerPixel(CGImageRef image);
/* Return the number of bytes/row of `image'. */
/*
* CGImageGetBytesPerRow()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( size_t )
CGImageGetBytesPerRow(CGImageRef image);
/* Return the colorspace of `image', or NULL if `image' is an image
* mask. */
/*
* CGImageGetColorSpace()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGColorSpaceRef )
CGImageGetColorSpace(CGImageRef image);
/* Return the alpha info of `image'. */
/*
* CGImageGetAlphaInfo()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGImageAlphaInfo )
CGImageGetAlphaInfo(CGImageRef image);
/*Return the data provider of `image'. */
/*
* CGImageGetDataProvider()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGDataProviderRef )
CGImageGetDataProvider(CGImageRef image);
/* Return the decode array of `image'. */
/*
* CGImageGetDecode()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( const float * )
CGImageGetDecode(CGImageRef image);
/* Return the interpolation parameter of `image'. */
/*
* CGImageGetShouldInterpolate()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( int )
CGImageGetShouldInterpolate(CGImageRef image);
/* Return the rendering intent of `image'. */
/*
* CGImageGetRenderingIntent()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.0 and later
*/
EXTERN_API_C( CGColorRenderingIntent )
CGImageGetRenderingIntent(CGImageRef image);
#if PRAGMA_ENUM_ALWAYSINT
#pragma enumsalwaysint reset
#ifdef __CGIMAGE__RESTORE_TWOBYTEINTS
#pragma fourbyteints off
#endif
#elif PRAGMA_ENUM_OPTIONS
#pragma option enum=reset
#elif defined(__CGIMAGE__RESTORE_PACKED_ENUMS)
#pragma options(pack_enums)
#endif
#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif
#ifdef __cplusplus
}
#endif
#endif /* CGIMAGE_H_ */
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