CGAffineTransform.h

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#ifndef __CGAFFINETRANSFORM__
#define __CGAFFINETRANSFORM__
 
#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;
  extern const CGAffineTransform CGAffineTransformIdentity;
  CGAffineTransform
  CGAffineTransformMake(float a, float b, float c, float d, float tx, float ty);
 
  CGAffineTransform
  CGAffineTransformMakeTranslation(float tx, float ty);
 
  CGAffineTransform
  CGAffineTransformMakeScale(float sx, float sy);
 
  CGAffineTransform
  CGAffineTransformMakeRotation(float angle);
 
  CGAffineTransform
  CGAffineTransformTranslate(CGAffineTransform t, float tx, float ty);
 
  CGAffineTransform
  CGAffineTransformScale(CGAffineTransform t, float sx, float sy);
 
  CGAffineTransform
  CGAffineTransformRotate(CGAffineTransform t, float angle);
 
  CGAffineTransform
  CGAffineTransformInvert(CGAffineTransform t);
 
  CGAffineTransform
  CGAffineTransformConcat(CGAffineTransform t1, CGAffineTransform t2);
 
  CGPoint
  CGPointApplyAffineTransform(CGPoint point, CGAffineTransform t);
 
  CGSize
  CGSizeApplyAffineTransform(CGSize size, CGAffineTransform t);
 
#ifdef __MWERKS__
  CG_INLINE CGAffineTransform __CGAffineTransformMake(float a, float b, float c,
                                                      float d, float tx,
                                                      float ty)
  {
    CGAffineTransform t;
    t.a = a;
    t.b = b;
    t.c = c;
    t.d = d;
    t.tx = tx;
    t.ty = ty;
    return t;
  }
#define CGAffineTransformMake __CGAffineTransformMake
 
  CG_INLINE CGPoint __CGPointApplyAffineTransform(CGPoint point,
                                                  CGAffineTransform t)
  {
    CGPoint p;
 
    p.x = t.a * point.x + t.c * point.y + t.tx;
    p.y = t.b * point.x + t.d * point.y + t.ty;
    return p;
  }
#define CGPointApplyAffineTransform __CGPointApplyAffineTransform
 
  CG_INLINE CGSize __CGSizeApplyAffineTransform(CGSize size,
                                                CGAffineTransform t)
  {
    CGSize s;
 
    s.width = t.a * size.width + t.c * size.height;
    s.height = t.b * size.width + t.d * size.height;
    return s;
  }
#define CGSizeApplyAffineTransform __CGSizeApplyAffineTransform
 
#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