fsCImage.h

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/********************************************************************
*
*       File:           fsCImage.h
*
*       Purpose:        Engine specific image class - helper to load up
*                               texture data
*
*********************************************************************/
 
#ifndef fsCImagehdr
#define fsCImagehdr
 
#include <map>
#include <vector>
 
#include "../../fsIImage.h"
 
namespace ax {
        class Image;
}
 
struct fsSColour4B;
 
 
class fsCImage : public fsIImage
{
        friend class fsIImage;
        friend class fsCTexture;
 
public:
 
        ~fsCImage() override;
 
protected:
 
        void doAlphaChannelsCombine(fsIImage const* pBlend, fsPoint const& pOffset) override;
 
        std::unique_ptr<fsIImage> doCloneSubSection(fsIImage const* pBlend, fsPoint const& pOffset) const override;
 
        std::unique_ptr<fsIImage> doCreateFromAlpha8Data(std::vector<fsU8>& pAlphaData, fsS32 pImgW, fsS32 pImgH, fsPoint const& pPOTDimenions) override;
 
        void doPremultipliedAlphaReverse() override;
 
        fsSColour4B doPixelGet(fsPoint const& pOffset) const override;
 
        fsU8 doAlphaGet(fsPoint const& pPos) const override;
 
        void doTextureCopyInto(fsIImage const* pSrc, fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY) override;
 
        void doTextureCopyThroughStencil(fsIImage const* pSrc, fsIImage const* const pStencil,
                                                                                                fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY) override;
        
        void doPixelSet(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow, const fsSColour4B& pPixel) override;
 
        fsPoint doDimensionsGet() const override;
 
        void doCreate(const fsPoint& pDimensions) override;
        void doCreate(const fsCResourceName& pImageFileName) override;
 
        fsCImage();
 
private:
 
        fsS32 strideGet() const;
 
        static std::map<fsS32, fsS32> mPixelFormats;
 
        std::unique_ptr<ax::Image> mImage;
};
 
#endif