GLBitmapBuffer.h

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#pragma once


#include "standard.h"
#include "MatrixTypes.h"
#include <assert.h>
#include <windows.h>

class GLBitmapBuffer
{
public:

    GLBitmapBuffer();

    ~GLBitmapBuffer();

    void create(unsigned int w, unsigned int h);

    unsigned int getWidth()  const { return width; }

    unsigned int getHeight() const { return height; }

    void select();

    void unselect();    

    RgbByte *operator[] (int index);

    unsigned char* getData() { return data; } 

    HDC getHDC() { return hdc; }

    void saveAs (char *filename);
    
private:
    unsigned int width, height;
    unsigned char* data ;               // Pointer to the bits.
    HBITMAP hBitmap, hBitmapOld;
    HDC hdc;
        HGLRC m_hrc , m_hrcOld;                         
    HDC hdcOld;
};

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