GUIImageDecoderBMP.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUIIMAGEDECODERBMP__H_
#define GUIIMAGEDECODERBMP__H_
 
#include "eC_Types.h"
#include "eC_String.h"
#include "eC_File.h"
#include "GUIImageData.h"
 
#include "GUIImageDecoder.h"
 
 
 
class CGUIImageDecoderBMP : public CGUIImageDecoder
{
public:
    CGUIImageDecoderBMP();
 
    virtual eC_Bool LoadImg(CGUIImageData& rkImageData, eC_File* pkImageFile);
 
private:
    struct BitmapHeader_t
    {
        char acType[2];
        unsigned char acSize[4];
        char acR1[4];
        unsigned char acOffBits[4];
    };
 
    struct BitmapInfo_t
    {
        unsigned long ulSize;
        long lWidth;
        long lHeight;
        unsigned short usPlanes;
        unsigned short usBitCount;
        unsigned long ulCompression;
        unsigned long ulSizeImage;
        long lXPPM;
        long lYPPM;
        unsigned long ulTotalColors;
        unsigned long ulImportantColors;
    };
 
private:
    void RevertBytes(eC_UByte* pubData, const eC_UInt& uiLen);
 
    eC_UInt GetColorFromPalette(const eC_UByte& ubIndex);
 
private:
    eC_Bool m_bIsPalettized;
    eC_UInt* m_pkPalette;
    eC_UInt m_uiPaletteSize;
};
 
#endif