CGImage.h

/*
     File:       CGImage.h
 
     Contains:   xxx put contents here xxx
 
     Version:    Technology: from CoreGraphics-93.14
                 Release:    Universal Interfaces 3.4
 
     Copyright:  © 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__
#define __CGIMAGE__

#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_STRUCT_ALIGN
    #pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
    #pragma pack(2)
#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 or 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 or 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);


/* 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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 or 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

#if PRAGMA_STRUCT_ALIGN
    #pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
    #pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
    #pragma pack()
#endif

#ifdef PRAGMA_IMPORT_OFF
#pragma import off
#elif PRAGMA_IMPORT
#pragma import reset
#endif

#ifdef __cplusplus
}
#endif

#endif /* __CGIMAGE__ */