image.h

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#ifndef ENGINE_IMAGE_H
#define ENGINE_IMAGE_H
 
#include <base/color.h>
 
#include <cstdint>

class CImageInfo
{
private:
    bool m_IsAllocated = false;
 
public:
    enum EImageFormat
    {
        FORMAT_UNDEFINED = -1,
        FORMAT_RGB = 0,
        FORMAT_RGBA = 1,
        FORMAT_R = 2,
        FORMAT_RA = 3,
    };
 
    CImageInfo() = default;

    CImageInfo &operator=(CImageInfo &&Other);

    CImageInfo(CImageInfo &&Other);

    CImageInfo(const CImageInfo &) = delete;

    CImageInfo &operator=(const CImageInfo &) = delete;

    ~CImageInfo();

    size_t m_Width = 0;

    size_t m_Height = 0;

    EImageFormat m_Format = FORMAT_UNDEFINED;

    uint8_t *m_pData = nullptr;

    void Allocate();

    void AllocateFillZero();

    void Free();

    static size_t PixelSize(EImageFormat Format);

    static const char *FormatName(EImageFormat Format);

    size_t PixelSize() const;

    const char *FormatName() const;

    size_t DataSize() const;

    bool DataEquals(const CImageInfo &Other) const;

    ColorRGBA PixelColor(size_t x, size_t y) const;

    void SetPixelColor(size_t x, size_t y, ColorRGBA Color) const;

    void CopyRectFrom(const CImageInfo &SrcImage, size_t SrcX, size_t SrcY, size_t Width, size_t Height, size_t DestX, size_t DestY) const;

    CImageInfo DeepCopy() const;
};
 
#endif