Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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/*
File: CGPattern.h
Contains: CoreGraphics base types
Version: QuickTime 7.3
Copyright: (c) 2007 (c) 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 CGPATTERN_H_
#define CGPATTERN_H_
#ifndef __CGBASE__
#include <CGBase.h>
#endif
#ifndef __CGCONTEXT__
#include <CGContext.h>
#endif
/* kCGPatternTilingNoDistortion: The pattern cell is not distorted when
* painted, however the spacing between pattern cells may vary by as much
* as 1 device pixel.
*
* kCGPatternTilingConstantSpacingMinimalDistortion: Pattern cells are
* spaced consistently, however the pattern cell may be distorted by as
* much as 1 device pixel when the pattern is painted.
*
* kCGPatternTilingConstantSpacing: Pattern cells are spaced consistently
* as with kCGPatternTilingConstantSpacingMinimalDistortion, however the
* pattern cell may be distorted additionally to permit a more efficient
* implementation. */
#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 __CGPATTERN__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 __CGPATTERN__RESTORE_PACKED_ENUMS
#pragma options(!pack_enums)
#endif
#endif
enum CGPatternTiling {
kCGPatternTilingNoDistortion = 0,
kCGPatternTilingConstantSpacingMinimalDistortion = 1,
kCGPatternTilingConstantSpacing = 2
};
typedef enum CGPatternTiling CGPatternTiling;
/* The drawing of the pattern is delegated to the callbacks. The callbacks
* may be called one or many times to draw the pattern.
*
* `version' is the version number of the structure passed in as a
* parameter to the CGPattern creation functions. The structure defined
* below is version 0.
*
* `drawPattern' should draw the pattern in the context `c'. `info' is the
* parameter originally passed to the CGPattern creation functions.
*
* `releaseInfo' is called when the pattern is deallocated. */
typedef CALLBACK_API_C( void , CGDrawPatternProcPtr )(void *info, CGContextRef c);
typedef CALLBACK_API_C( void , CGReleaseInfoProcPtr )(void * info);
struct CGPatternCallbacks {
unsigned int version;
CGDrawPatternProcPtr drawPattern;
CGReleaseInfoProcPtr releaseInfo;
};
typedef struct CGPatternCallbacks CGPatternCallbacks;
/* Create a pattern. */
/*
* CGPatternCreate()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( CGPatternRef )
CGPatternCreate(
void * info,
CGRect bounds,
CGAffineTransform matrix,
float xStep,
float yStep,
CGPatternTiling tiling,
int isColored,
const CGPatternCallbacks * callbacks);
/* Increment the retain count of `pattern' and return it. All patterns are
* created with an initial retain count of 1. */
/*
* CGPatternRetain()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( CGPatternRef )
CGPatternRetain(CGPatternRef pattern);
/* Decrement the retain count of `pattern'. If the retain count reaches 0,
* then free it and release any associated resources. */
/*
* CGPatternRelease()
*
* Availability:
* Non-Carbon CFM: not available
* CarbonLib: not available
* Mac OS X: in version 10.1 and later
*/
EXTERN_API_C( void )
CGPatternRelease(CGPatternRef pattern);
#if PRAGMA_ENUM_ALWAYSINT
#pragma enumsalwaysint reset
#ifdef __CGPATTERN__RESTORE_TWOBYTEINTS
#pragma fourbyteints off
#endif
#elif PRAGMA_ENUM_OPTIONS
#pragma option enum=reset
#elif defined(__CGPATTERN__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 /* CGPATTERN_H_ */