271 lines
5.8 KiB
C
271 lines
5.8 KiB
C
/*
|
|
File: CGAffineTransform.h
|
|
|
|
Contains: CoreGraphics affine transforms
|
|
|
|
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 CGAFFINETRANSFORM_H_
|
|
#define CGAFFINETRANSFORM_H_
|
|
|
|
#ifndef __CGBASE__
|
|
#include <CGBase.h>
|
|
#endif
|
|
|
|
#ifndef __CGGEOMETRY__
|
|
#include <CGGeometry.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
|
|
|
|
struct CGAffineTransform {
|
|
float a;
|
|
float b;
|
|
float c;
|
|
float d;
|
|
float tx;
|
|
float ty;
|
|
};
|
|
typedef struct CGAffineTransform CGAffineTransform;
|
|
/* The identity transform: [ 1 0 0 1 0 0 ]. */
|
|
/*
|
|
* CGAffineTransformIdentity
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
extern const CGAffineTransform CGAffineTransformIdentity;
|
|
/* Return the transform [ a b c d tx ty ]. */
|
|
/*
|
|
* CGAffineTransformMake()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformMake(
|
|
float a,
|
|
float b,
|
|
float c,
|
|
float d,
|
|
float tx,
|
|
float ty);
|
|
|
|
|
|
/* Return a transform which translates by `(tx, ty)':
|
|
* t' = [ 1 0 0 1 tx ty ] */
|
|
/*
|
|
* CGAffineTransformMakeTranslation()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformMakeTranslation(
|
|
float tx,
|
|
float ty);
|
|
|
|
|
|
/* Return a transform which scales by `(sx, sy)':
|
|
* t' = [ sx 0 0 sy 0 0 ] */
|
|
/*
|
|
* CGAffineTransformMakeScale()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformMakeScale(
|
|
float sx,
|
|
float sy);
|
|
|
|
|
|
/* Return a transform which rotates by `angle' radians:
|
|
* t' = [ cos(angle) sin(angle) -sin(angle) cos(angle) 0 0 ] */
|
|
/*
|
|
* CGAffineTransformMakeRotation()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformMakeRotation(float angle);
|
|
|
|
|
|
/* Translate `t' by `(tx, ty)' and return the result:
|
|
* t' = [ 1 0 0 1 tx ty ] * t */
|
|
/*
|
|
* CGAffineTransformTranslate()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformTranslate(
|
|
CGAffineTransform t,
|
|
float tx,
|
|
float ty);
|
|
|
|
|
|
/* Scale `t' by `(sx, sy)' and return the result:
|
|
* t' = [ sx 0 0 sy 0 0 ] * t */
|
|
/*
|
|
* CGAffineTransformScale()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformScale(
|
|
CGAffineTransform t,
|
|
float sx,
|
|
float sy);
|
|
|
|
|
|
/* Rotate `t' by `angle' radians and return the result:
|
|
* t' = [ cos(angle) sin(angle) -sin(angle) cos(angle) 0 0 ] * t */
|
|
/*
|
|
* CGAffineTransformRotate()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformRotate(
|
|
CGAffineTransform t,
|
|
float angle);
|
|
|
|
|
|
/* Invert `t' and return the result. If `t' has zero determinant, then `t'
|
|
* is returned unchanged. */
|
|
/*
|
|
* CGAffineTransformInvert()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformInvert(CGAffineTransform t);
|
|
|
|
|
|
/* Concatenate `t2' to `t1' and returne the result:
|
|
* t' = t1 * t2 */
|
|
/*
|
|
* CGAffineTransformConcat()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGAffineTransform )
|
|
CGAffineTransformConcat(
|
|
CGAffineTransform t1,
|
|
CGAffineTransform t2);
|
|
|
|
|
|
/* Transform `point' by `t' and return the result:
|
|
* p' = p * t
|
|
* where p = [ x y 1 ]. */
|
|
/*
|
|
* CGPointApplyAffineTransform()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGPoint )
|
|
CGPointApplyAffineTransform(
|
|
CGPoint point,
|
|
CGAffineTransform t);
|
|
|
|
|
|
/* Transform `size' by `t' and return the result:
|
|
* s' = s * t
|
|
* where s = [ width height 0 ]. */
|
|
/*
|
|
* CGSizeApplyAffineTransform()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: not available
|
|
* CarbonLib: not available
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( CGSize )
|
|
CGSizeApplyAffineTransform(
|
|
CGSize size,
|
|
CGAffineTransform t);
|
|
|
|
|
|
|
|
|
|
|
|
#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 /* CGAFFINETRANSFORM_H_ */
|
|
|