ImageSprite.h

//
// ImageSprite.h
//
// Copyright (c) 2001-2011 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef VTLIB_IMAGESPRITE
#define VTLIB_IMAGESPRITE

class vtImageSprite : public osg::Referenced
{
public:
    vtImageSprite();
    ~vtImageSprite();
    bool Create(const char *szTextureName, bool bBlending = false);
    bool Create(osg::Image *pImage, bool bBlending = false);
    IPoint2 GetSize() const { return m_Size; }
    void SetPosition(float l, float t, float r, float b, float rot = 0.0f);
    void SetImage(osg::Image *image);
    vtGeode *GetGeode() const { return m_pGeode; }

protected:
    vtMaterialArrayPtr m_pMats;
    vtGeode *m_pGeode;
    vtMesh *m_pMesh;
    IPoint2 m_Size;
};

class vtSpriteSizer : public vtEngine
{
public:
    vtSpriteSizer(vtImageSprite *pSprite, float l, float t, float r, float b);

    void SetRect(const FRECT &rect) { m_rect = rect; }
    FRECT GetRect() { return m_rect; }
    FRECT GetWindowRect() { return m_window_rect; }
    FPoint2 GetWindowCenter();

    void SetRotation(float rot) { m_fRotation = rot; }
    float GetRotation() { return m_fRotation; }

    void OnWindowSize(int width, int height);

protected:
    FRECT m_rect;
    FRECT m_window_rect;
    float m_fRotation;
    osg::ref_ptr<vtImageSprite> m_pSprite;
};

#endif // VTLIB_IMAGESPRITE