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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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