fsIImage.h

Go to the documentation of this file.

/********************************************************************
*
*       File:           fsIImage.h
*
*       Purpose:        Interface to helper image class to load textures
*
*********************************************************************/
 
#ifndef fsIImagehdr
#define fsIImagehdr
#include <memory>
#include <vector>
 
#include "fsCore/fsPoint.h"
#include "fsCore/impl/raylib/fsBaseTypes.h"
 
class fsCResourceName;
struct fsSColour4B;
 
class fsIImage
{
public:
 
        void alphaChannelsCombine(fsIImage const* pBlend, fsPoint const& pOffset);
 
        std::unique_ptr<fsIImage> cloneSubSection(fsIImage const* pBlend, fsPoint const& pOffset) const;
 
        std::unique_ptr<fsIImage> createFromAlpha8Data(std::vector<fsU8>& pAlphaData, fsS32 pImgW, fsS32 pImgH, fsPoint const& pPOTDimenions);
 
        void premultipliedAlphaReverse();
 
        fsSColour4B pixelGet(fsPoint const& pOffset) const;
 
        void textureCopyInto(fsIImage const* pSrc, fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY);
 
        void textureCopyThroughStencil(fsIImage const* pSrc, fsIImage const* pStencil,
                                                                                        fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY);
 
        fsU8 alphaGet(fsPoint const& pOffest) const;
        void pixelSet(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow, const fsSColour4B& pPixel);
        fsPoint dimensionsGet() const;
        
        static std::unique_ptr<fsIImage> create(const fsPoint& pDimentsions);
        static std::unique_ptr<fsIImage> create(const fsCResourceName& pImageFileName);
 
        virtual ~fsIImage();
 
protected:
 
        virtual void doAlphaChannelsCombine(fsIImage const* pBlend, fsPoint const& pOffset) = 0;
 
        virtual std::unique_ptr<fsIImage> doCloneSubSection(fsIImage const* pBlend, fsPoint const& pOffset) const = 0;
 
        virtual std::unique_ptr<fsIImage> doCreateFromAlpha8Data(std::vector<fsU8>& pAlphaData, fsS32 pImgW, fsS32 pImgH, fsPoint const& pPOTDimenions) = 0;
 
        virtual void doPremultipliedAlphaReverse() = 0;
 
        virtual fsSColour4B doPixelGet(fsPoint const& pOffset) const = 0;
 
        virtual void doTextureCopyInto(fsIImage const* const pSrc, fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY) = 0;
 
        virtual void doTextureCopyThroughStencil(fsIImage const* const pSrc, fsIImage const* const pStencil,
                                                                                        fsS32 pU, fsS32 pV, fsS32 pX, fsS32 pY) = 0;
 
        virtual fsU8 doAlphaGet(fsPoint const& pOffest) const = 0;
        virtual void doPixelSet(fsS32 pU, fsS32 pV, fsS32 pCol, fsS32 pRow, const fsSColour4B& pPixel) = 0;
        virtual fsPoint doDimensionsGet() const = 0;
 
        virtual void doCreate(const fsPoint& pDimentsions) = 0;
        virtual void doCreate(const fsCResourceName& pImageFileName) = 0;
 
        fsIImage();
 
private:
 
};
 
#endif