CGAffineTransform.h File Reference

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#include <CGBase.h>
#include <CGGeometry.h>

Go to the source code of this file.

Data Structures
struct	CGAffineTransform

Typedefs
typedef struct CGAffineTransform	CGAffineTransform

Functions
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)

Variables
const CGAffineTransform	CGAffineTransformIdentity

Detailed Description

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Introduced In: from CoreGraphics-70.root

Avaliable From: Universal Interfaces 3.4.1

Copyright: © 2000-2001 by Apple Computer, Inc., all rights reserved.

For bug reports, consult the following page on the World Wide Web:

http://developer.apple.com/bugreporter/

Function Documentation

CGAffineTransformConcat()

CGAffineTransform CGAffineTransformConcat	(	CGAffineTransform	t1,
		CGAffineTransform	t2
	)

Concatenate ‘t2’ to ‘t1’ and returne the result: t' = t1 * t2 CGAffineTransformConcat()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformInvert()

CGAffineTransform CGAffineTransformInvert

(

CGAffineTransform

t

)

Invert ‘t’ and return the result. If ‘t’ has zero determinant, then ‘t’ is returned unchanged. CGAffineTransformInvert()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformMake()

CGAffineTransform CGAffineTransformMake	(	float	a,
		float	b,
		float	c,
		float	d,
		float	tx,
		float	ty
	)

Return the transform [ a b c d tx ty ]. CGAffineTransformMake()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformMakeRotation()

CGAffineTransform CGAffineTransformMakeRotation

(

float

angle

)

Return a transform which rotates by ‘angle’ radians: t' = [ cos(angle) sin(angle) -sin(angle) cos(angle) 0 0 ] CGAffineTransformMakeRotation()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformMakeScale()

CGAffineTransform CGAffineTransformMakeScale	(	float	sx,
		float	sy
	)

Return a transform which scales by ‘(sx, sy)’: t' = [ sx 0 0 sy 0 0 ] CGAffineTransformMakeScale()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformMakeTranslation()

CGAffineTransform CGAffineTransformMakeTranslation	(	float	tx,
		float	ty
	)

Return a transform which translates by ‘(tx, ty)’: t' = [ 1 0 0 1 tx ty ] CGAffineTransformMakeTranslation()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformRotate()

CGAffineTransform CGAffineTransformRotate	(	CGAffineTransform	t,
		float	angle
	)

Rotate ‘t’ by ‘angle’ radians and return the result: t' = [ cos(angle) sin(angle) -sin(angle) cos(angle) 0 0 ] * t CGAffineTransformRotate()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformScale()

CGAffineTransform CGAffineTransformScale	(	CGAffineTransform	t,
		float	sx,
		float	sy
	)

Scale ‘t’ by ‘(sx, sy)’ and return the result: t' = [ sx 0 0 sy 0 0 ] * t CGAffineTransformScale()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGAffineTransformTranslate()

CGAffineTransform CGAffineTransformTranslate	(	CGAffineTransform	t,
		float	tx,
		float	ty
	)

Translate ‘t’ by ‘(tx, ty)’ and return the result: t' = [ 1 0 0 1 tx ty ] * t CGAffineTransformTranslate()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGPointApplyAffineTransform()

CGPoint CGPointApplyAffineTransform	(	CGPoint	point,
		CGAffineTransform	t
	)

Transform ‘point’ by ‘t’ and return the result: p' = p * t where p = [ x y 1 ]. CGPointApplyAffineTransform()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

CGSizeApplyAffineTransform()

CGSize CGSizeApplyAffineTransform	(	CGSize	size,
		CGAffineTransform	t
	)

Transform ‘size’ by ‘t’ and return the result: s' = s * t where s = [ width height 0 ]. CGSizeApplyAffineTransform()

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later

Variable Documentation

CGAffineTransformIdentity

const CGAffineTransform CGAffineTransformIdentity

extern

The identity transform: [ 1 0 0 1 0 0 ]. CGAffineTransformIdentity

Non-Carbon CFM: not available

Carbon Lib: not available

Mac OS X: in version 10.0 and later