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 CCTexture2D;
class CCZone;

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

/** @brief A CCSpriteFrame has:
    - texture: A CCTexture2D that will be used by the CCSprite
    - rectangle: A rectangle of the texture


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

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

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

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

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

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

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

    /** get texture of the frame */
    CCTexture2D* getTexture(void);
    /** set texture of the frame, the texture is retained */
    void setTexture(CCTexture2D* pobTexture);

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

public:
    ~CCSpriteFrame(void);
    virtual CCObject* copyWithZone(CCZone *pZone);

    /** Create a CCSpriteFrame with a texture filename, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static CCSpriteFrame* create(const char* filename, const CCRect& rect);
    
    /** Create a CCSpriteFrame 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 CCSpriteFrame* create(const char* filename, const CCRect& rect, bool rotated, const CCPoint& offset, const CCSize& originalSize);
    
    /** Create a CCSpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    static CCSpriteFrame* createWithTexture(CCTexture2D* pobTexture, const CCRect& rect);

    /** Create a CCSpriteFrame with a texture, rect, rotated, offset and originalSize in pixels.
     The originalSize is the size in points of the frame before being trimmed.
     */
    static CCSpriteFrame* createWithTexture(CCTexture2D* pobTexture, const CCRect& rect, bool rotated, const CCPoint& offset, const CCSize& originalSize);

public:
    /** Initializes a CCSpriteFrame with a texture, rect in points.
     It is assumed that the frame was not trimmed.
     */
    bool initWithTexture(CCTexture2D* pobTexture, const CCRect& rect);

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

    /** Initializes a CCSpriteFrame 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(CCTexture2D* pobTexture, const CCRect& rect, bool rotated, const CCPoint& offset, const CCSize& originalSize);

    /** Initializes a CCSpriteFrame 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 CCRect& rect, bool rotated, const CCPoint& offset, const CCSize& originalSize);


protected:
    CCPoint _offset;
    CCSize _originalSize;
    CCRect _rectInPixels;
    bool   _rotated;
    CCRect _rect;
    CCPoint _offsetInPixels;
    CCSize _originalSizeInPixels;
    CCTexture2D *_texture;
    std::string  _textureFilename;
};

// end of sprite_nodes group
/// @}

NS_CC_END

#endif //__SPRITE_CCSPRITE_FRAME_H__