D:/CHAI3D/build-2-0-0/2.0.0/win32/src/files/CFileLoaderBMP.h

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//===========================================================================
/*
    This file is part of the CHAI 3D visualization and haptics libraries.
    Copyright (C) 2003-2009 by CHAI 3D. All rights reserved.

    This library is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License("GPL") version 2
    as published by the Free Software Foundation.

    For using the CHAI 3D libraries with software that can not be combined
    with the GNU GPL, and for taking advantage of the additional benefits
    of our support services, please contact CHAI 3D about acquiring a
    Professional Edition License.

    \author    <http://www.chai3d.org>
    \author    Francois Conti
    \version   2.0.0 $Rev: 251 $
*/
//===========================================================================

//---------------------------------------------------------------------------
#ifndef CFileLoaderBMPH
#define CFileLoaderBMPH
//---------------------------------------------------------------------------

//===========================================================================
//===========================================================================

//---------------------------------------------------------------------------
#ifndef DOXYGEN_SHOULD_SKIP_THIS
//---------------------------------------------------------------------------

#if defined(_WIN32)

#include <windows.h>

#else

#pragma pack(push,1)

typedef unsigned char  BYTE;
typedef unsigned short WORD;
typedef unsigned int   DWORD;
typedef int            LONG;

typedef struct tagRGBQUAD {
  BYTE    rgbBlue; 
  BYTE    rgbGreen; 
  BYTE    rgbRed; 
  BYTE    rgbReserved; 
} RGBQUAD; 

typedef struct tagBITMAPFILEHEADER { 
  WORD    bfType; 
  DWORD   bfSize; 
  WORD    bfReserved1; 
  WORD    bfReserved2; 
  DWORD   bfOffBits; 
} BITMAPFILEHEADER, *PBITMAPFILEHEADER; 

typedef struct tagBITMAPINFOHEADER{
  DWORD  biSize; 
  LONG   biWidth; 
  LONG   biHeight; 
  WORD   biPlanes; 
  WORD   biBitCount; 
  DWORD  biCompression; 
  DWORD  biSizeImage; 
  LONG   biXPelsPerMeter; 
  LONG   biYPelsPerMeter; 
  DWORD  biClrUsed; 
  DWORD  biClrImportant; 
} BITMAPINFOHEADER, *PBITMAPINFOHEADER; 

#pragma pack(pop)

#endif

#include <iostream>
#include <cstdio>
#include <stdio.h>
#include <string>
//---------------------------------------------------------------------------
using std::string;
//---------------------------------------------------------------------------

const short BITMAP_MAGIC_NUMBER = 19778;
const int   RGB_BYTE_SIZE       = 3;

//---------------------------------------------------------------------------
#endif  // DOXYGEN_SHOULD_SKIP_THIS
//---------------------------------------------------------------------------

//===========================================================================
//===========================================================================
class cFileLoaderBMP
{
  public:
    
    //-----------------------------------------------------------------------
    // CONSTRUCTOR & DESTRUCTOR:
    //-----------------------------------------------------------------------

    cFileLoaderBMP();

    cFileLoaderBMP(char* a_fileName);

    ~cFileLoaderBMP();


    //-----------------------------------------------------------------------
    // METHODS:
    //-----------------------------------------------------------------------
    
    bool loadBMP(char* iFileName);

    unsigned char* pBitmap() const { return (m_pBitmap); }

    unsigned int getWidth() { return (m_width); }

    unsigned int getHeight() { return (m_height); }

    unsigned short getBpp() { return (m_bpp); }

    string getLastErrorMesg(void) { return (m_errorMsg); }

    bool isLoaded() { return (m_loaded); }


  private:

    //-----------------------------------------------------------------------
    // MEMBERS:
    //-----------------------------------------------------------------------

    BITMAPFILEHEADER m_bmfh;

    BITMAPINFOHEADER m_bmih;

    unsigned int m_byteWidth;

    // The width in bytes of the added image.
    unsigned int m_padWidth;

    // Size of the data in the file.
    unsigned int m_dataSize;

    RGBQUAD *m_colors;

    bool m_loaded;

    unsigned int m_width;

    unsigned int m_height;

    unsigned short m_bpp;

    string m_errorMsg;

    unsigned char* m_pBitmap;

    //-----------------------------------------------------------------------
    // METHODS:
    //-----------------------------------------------------------------------

    void reset(void);

    bool convert24(char *);

    bool convert8(char *);
};

//---------------------------------------------------------------------------
#endif
//---------------------------------------------------------------------------

---

CHAI3D 2.0.0 documentation
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(C) 2003-2009 - CHAI 3D
All Rights Reserved.