/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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****************************************************************************/

#ifndef __COCOA_CGAFFINETRANSFORM_H__
#define __COCOA_CGAFFINETRANSFORM_H__

#include "CCGeometry.h"
#include "platform/CCPlatformMacros.h"

NS_CC_BEGIN

struct AffineTransform {
    float a, b, c, d;
    float tx, ty;

    static const AffineTransform IDENTITY;
};

CC_DLL AffineTransform __CCAffineTransformMake(float a, float b, float c, float d, float tx, float ty);
#define AffineTransformMake __CCAffineTransformMake

CC_DLL Point __CCPointApplyAffineTransform(const Point& point, const AffineTransform& t);
#define PointApplyAffineTransform __CCPointApplyAffineTransform

CC_DLL Size __CCSizeApplyAffineTransform(const Size& size, const AffineTransform& t);
#define SizeApplyAffineTransform __CCSizeApplyAffineTransform

CC_DLL AffineTransform AffineTransformMakeIdentity();
CC_DLL Rect RectApplyAffineTransform(const Rect& rect, const AffineTransform& anAffineTransform);

CC_DLL AffineTransform AffineTransformTranslate(const AffineTransform& t, float tx, float ty);
CC_DLL AffineTransform AffineTransformRotate(const AffineTransform& aTransform, float anAngle);
CC_DLL AffineTransform AffineTransformScale(const AffineTransform& t, float sx, float sy);
CC_DLL AffineTransform AffineTransformConcat(const AffineTransform& t1, const AffineTransform& t2);
CC_DLL bool AffineTransformEqualToTransform(const AffineTransform& t1, const AffineTransform& t2);
CC_DLL AffineTransform AffineTransformInvert(const AffineTransform& t);

extern CC_DLL const AffineTransform AffineTransformIdentity;

NS_CC_END

#endif // __COCOA_CGAFFINETRANSFORM_H__