imgsynth2/cwindowsbitmap.h

#ifndef CWINDOWSBITMAP_H
#define CWINDOWSBITMAP_H

#include <stdint.h>
#include "cbitmap.h"

class CWindowsBitmap : public CBitmap
{
  public:
    CWindowsBitmap();

    ~CWindowsBitmap()
    {}

    void read(std::ifstream& in);

    void write(std::ofstream& out);

#ifdef DEBUG

    void dump(std::ostream& out);
#endif

    const uint32_t getPixelDataSize()
    {
      return m_infoheader.biSizeImage;
    }

    const uint32_t getHeight()
    {
      /* width and height can be negativ */
      return static_cast<uint32_t>(abs(m_infoheader.biHeight));
    }

    const uint32_t getWidth()
    {
      /* width and height can be negativ */
      return static_cast<uint32_t>(abs(m_infoheader.biWidth));
    }

    const bool isMirrored()
    {
      /* if height is positive the y-coordinates are mirrored */
      return (m_infoheader.biHeight > 0) ? true : false;
    }

    const bool hasColorTable()
    {
      return false;
    }

  protected:
#pragma pack(push,1)
    typedef struct
    {
      uint8_t  bfType[2];
      uint32_t bfSize;
      uint32_t bfReserved;
      uint32_t bfOffBits;
    } BITMAP_FILEHEADER;
#pragma pack(pop)

#pragma pack(push,1)
    typedef struct
    {
      uint32_t biSize;
      int32_t  biWidth;
      int32_t  biHeight;
      uint16_t biPlanes;
      uint16_t biBitCount;
      uint32_t biCompression;
      uint32_t biSizeImage;
      int32_t  biXPelsPerMeter;
      int32_t  biYPelsPerMeter;
      uint32_t biClrUsed;
      uint32_t biClrImportant;
    } BITMAP_INFOHEADER;
#pragma pack(pop)

    /* members */
    BITMAP_FILEHEADER m_fileheader;
    BITMAP_INFOHEADER m_infoheader;
};

#endif

/* vim: set et sw=2 ts=2: */

---