surfaceproxy.hxx

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#pragma once
 
#include <rendering/isurfaceproxy.hxx>
#include <rendering/icolorbuffer.hxx>
 
#include "pagemanager.hxx"
#include "surface.hxx"
 
namespace canvas
{
    class SurfaceProxy : public ISurfaceProxy
    {
    public:
 
        SurfaceProxy( std::shared_ptr<canvas::IColorBuffer> xBuffer,
                      PageManagerSharedPtr xPageManager );
 
        // ISurfaceProxy interface
        virtual void setColorBufferDirty() override;
 
        virtual bool draw( double                         fAlpha,
                           const ::basegfx::B2DPoint&     rPos,
                           const ::basegfx::B2DHomMatrix& rTransform ) override;
 
        virtual bool draw( double                         fAlpha,
                           const ::basegfx::B2DPoint&     rPos,
                           const ::basegfx::B2DRange&     rArea,
                           const ::basegfx::B2DHomMatrix& rTransform ) override;
 
        virtual bool draw( double                           fAlpha,
                           const ::basegfx::B2DPoint&       rPos,
                           const ::basegfx::B2DPolyPolygon& rClipPoly,
                           const ::basegfx::B2DHomMatrix&   rTransform ) override;
 
    private:
        PageManagerSharedPtr          mpPageManager;
 
        // the pagemanager will distribute the image
        // to one or more surfaces, this is why we
        // need a list here.
        std::vector<SurfaceSharedPtr> maSurfaceList;
 
        // pointer to the source of image data
        // which always is stored in system memory,
        // 32bit rgba and can have any size.
        std::shared_ptr<canvas::IColorBuffer> mpBuffer;
    };
}
 
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