97 lines
2.3 KiB
C++
97 lines
2.3 KiB
C++
#ifndef TOFFLINEGL_INCLUDED
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#define TOFFLINEGL_INCLUDED
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#include <memory>
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#include "tgl.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TVRENDER_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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class TVectorRenderData;
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class TVectorImageP;
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class TRasterImageP;
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//------------------------------------------------------
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class DVAPI TGLContextManager
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{
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public:
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virtual void store() = 0;
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virtual void restore() = 0;
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};
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//------------------------------------------------------
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class DVAPI TOfflineGL
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{
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public:
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class Imp
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{
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protected:
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int m_lx, m_ly;
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public:
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Imp(int lx, int ly) : m_lx(lx), m_ly(ly) {}
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virtual ~Imp(){};
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virtual void makeCurrent() = 0;
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virtual void doneCurrent() = 0; // Da implementare in Imp
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virtual void createContext(TDimension rasterSize, std::shared_ptr<Imp> shared) = 0;
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virtual void getRaster(TRaster32P) = 0;
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virtual int getLx() const { return m_lx; }
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virtual int getLy() const { return m_ly; }
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};
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typedef std::shared_ptr<Imp> ImpGenerator(const TDimension &dim, std::shared_ptr<Imp> shared);
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static ImpGenerator *defineImpGenerator(ImpGenerator *impGenerator);
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TOfflineGL(TDimension dim, const TOfflineGL *shared = 0);
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TOfflineGL(const TRaster32P &raster, const TOfflineGL *shared = 0);
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~TOfflineGL();
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void makeCurrent();
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void doneCurrent();
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static void setContextManager(TGLContextManager *contextManager);
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void initMatrix();
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void clear(TPixel32 color);
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void draw(TVectorImageP image, const TVectorRenderData &rd, bool doInitMatrix = false);
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void draw(TRasterImageP image, const TAffine &aff, bool doInitMatrix = false);
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void flush();
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TRaster32P getRaster(); // Ritorna il raster copiandolo dal buffer offline
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void getRaster(TRaster32P raster);
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void getRaster(TRasterP raster);
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int getLx() const;
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int getLy() const;
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TDimension getSize() const { return TDimension(getLx(), getLy()); };
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TRect getBounds() const { return TRect(0, 0, getLx() - 1, getLy() - 1); };
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static TOfflineGL *getStock(TDimension dim);
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// si usa cosi': TOfflineGL *ogl = TOfflineGL::getStock(d);
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// non bisogna liberare ogl
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std::shared_ptr<Imp> m_imp;
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private:
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private:
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// not implemented
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TOfflineGL(const TOfflineGL &);
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TOfflineGL &operator=(const TOfflineGL &);
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};
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#endif
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