axmol/cocos2dx/sprite_nodes/CCSpriteFrame.h

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2008-2011 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

http://www.cocos2d-x.org

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

#ifndef __SPRITE_CCSPRITE_FRAME_H__
#define __SPRITE_CCSPRITE_FRAME_H__

#include "base_nodes/CCNode.h"
#include "CCProtocols.h"
#include "cocoa/CCObject.h"
#include "cocoa/CCGeometry.h"

NS_CC_BEGIN

class Texture2D;
class Zone;

/**
 * @addtogroup sprite_nodes
 * @{
 */

/** @brief A SpriteFrame has:
    - texture: A Texture2D that will be used by the Sprite
    - rectangle: A rectangle of the texture


 You can modify the frame of a Sprite by doing:
 
    SpriteFrame *frame = SpriteFrame::frameWithTexture(texture, rect, offset);
    sprite->setDisplayFrame(frame);
 */
class CC_DLL SpriteFrame : public Object, public Clonable
{
public:
    // attributes

    inline const Rect& getRectInPixels(void) { return _rectInPixels; }
    void setRectInPixels(const Rect& rectInPixels);

    inline bool isRotated(void) { return _rotated; }
    inline void setRotated(bool bRotated) { _rotated = bRotated; }

    /** get rect of the frame */
    inline const Rect& getRect(void) { return _rect; }
    /** set rect of the frame */
    void setRect(const Rect& rect);

    /** get offset of the frame */
    const Point& getOffsetInPixels(void);
    /** set offset of the frame */
    void setOffsetInPixels(const Point& offsetInPixels);

    /** get original size of the trimmed image */
    inline const Size& getOriginalSizeInPixels(void) { return _originalSizeInPixels; }
    /** set original size of the trimmed image */
    inline void setOriginalSizeInPixels(const Size& sizeInPixels) { _originalSizeInPixels = sizeInPixels; }

    /** get original size of the trimmed image */
    inline const Size& getOriginalSize(void) { return _originalSize; }
    /** set original size of the trimmed image */
    inline void setOriginalSize(const Size& sizeInPixels) { _originalSize = sizeInPixels; }

    /** get texture of the frame */
    Texture2D* getTexture(void);
    /** set texture of the frame, the texture is retained */
    void setTexture(Texture2D* pobTexture);

    const Point& getOffset(void);
    void setOffset(const Point& offsets);

public:
    ~SpriteFrame(void);

	/** returns a clone of the SpriteFrame */
	virtual SpriteFrame *clone() const;

    virtual Object* copyWithZone(Zone *pZone);

    /** Create a SpriteFrame with a texture filename, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static SpriteFrame* create(const char* filename, const Rect& rect);
    
    /** Create a SpriteFrame with a texture filename, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in pixels of the frame before being trimmed.
     */
    static SpriteFrame* create(const char* filename, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);
    
    /** Create a SpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static SpriteFrame* createWithTexture(Texture2D* pobTexture, const Rect& rect);

    /** Create a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in points of the frame before being trimmed.
     */
    static SpriteFrame* createWithTexture(Texture2D* pobTexture, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);

public:
    /** Initializes a SpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    bool initWithTexture(Texture2D* pobTexture, const Rect& rect);

    /** Initializes a SpriteFrame with a texture filename, rect in points;
     It is assumed that the frame was not trimmed.
     */
    bool initWithTextureFilename(const char* filename, const Rect& rect);

    /** Initializes a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
    The originalSize is the size in points of the frame before being trimmed.
    */
    bool initWithTexture(Texture2D* pobTexture, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);

    /** Initializes a SpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in pixels of the frame before being trimmed.

     @since v1.1
     */
    bool initWithTextureFilename(const char* filename, const Rect& rect, bool rotated, const Point& offset, const Size& originalSize);


protected:
    Point _offset;
    Size _originalSize;
    Rect _rectInPixels;
    bool   _rotated;
    Rect _rect;
    Point _offsetInPixels;
    Size _originalSizeInPixels;
    Texture2D *_texture;
    std::string  _textureFilename;
};

// end of sprite_nodes group
/// @}

NS_CC_END

#endif //__SPRITE_CCSPRITE_FRAME_H__