/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef _SVIMBASE_HXX
#define _SVIMBASE_HXX

#include <bf_svtools/bf_solar.h>

#include <vcl/bitmap.hxx>
#include <vcl/salbtype.hxx>
namespace binfilter {

// -----------
// - Defines -
// -----------

#ifdef WIN
#define _SVHUGE huge
#else
#define _SVHUGE
#endif

// ----------------
// - SimDepthType -
// ----------------

enum SimDepthType
{
    SIM_DEPTH_1,
    SIM_DEPTH_4,
    SIM_DEPTH_8,
    SIM_DEPTH_24
};

// ------------
// - SimColor -
// ------------

struct SimColor
{
    BYTE cBlue;
    BYTE cGreen;
    BYTE cRed;
};

// ------------------------------------------------------------------------

inline BOOL operator==( const SimColor& rCol1, const SimColor& rCol2 )
{
    return ( ( rCol1.cRed == rCol2.cRed ) &&
             ( rCol1.cGreen == rCol2.cGreen ) &&
             ( rCol1.cBlue == rCol2.cBlue ) );
}

// --------------
// - SimPalette -
// --------------

struct SimPalette
{
    ULONG       nColors;
    SimColor    aColorArray[ 256 ];
};

// ---------------
// - SvImageBase -
// ---------------

class SfxViewFrame;
class SfxProgress;

class SvImageBase
{
private:

    Bitmap              aOutBitmap;
    HPBYTE              pArray1;
    HPBYTE              pArray2;
    HPBYTE              pArray3;
    HPBYTE              pArray4;
    HPBYTE              pOrgArray;
    HPBYTE              pDestArray;
    SimPalette*         pPal1;
    SimPalette*         pPal2;
    SimPalette*         pPal3;
    SimPalette*         pPal4;
    ULONG               nWidth1;
    ULONG               nWidth2;
    ULONG               nWidth3;
    ULONG               nWidth4;
    ULONG               nHeight1;
    ULONG               nHeight2;
    ULONG               nHeight3;
    ULONG               nHeight4;
    ULONG               nAlignedWidth1;
    ULONG               nAlignedWidth2;
    ULONG               nAlignedWidth3;
    ULONG               nAlignedWidth4;
    ULONG               nWhichOrg;
    SimDepthType        eOrgDepth;
    SimDepthType        eUndoDepth;
    SimDepthType        eRedoDepth;
    BOOL                bIsUndo;
    BOOL                bIsRedo;
    BOOL                bCreateUndo;
    BOOL                bValid;
    BOOL                bDitherAll;

    HPBYTE              BitmapToArray24( const Bitmap& rBitmap, ULONG* pWidth,
                                         ULONG* pHeight, ULONG* pAlignedWidth,
                                         SfxViewFrame *pFrame = NULL );
    BOOL                Array24ToBitmap( HPBYTE pArray, Bitmap &rBitmap,
                                         const ULONG nWidth, const ULONG nHeight,
                                         const ULONG nColorCount = 256,
                                         ULONG nLast = 0, SfxProgress* pProgress = NULL );

    Bitmap              CreateSaveBitmap( const SimDepthType eDepth, SfxViewFrame *pFrame = NULL );

    HPBYTE              CreateArray24( ULONG nWidth, ULONG nHeight );
    void                DeleteArray( HPBYTE pArray );

                        SvImageBase(const SvImageBase& rSvImageBase);
    const SvImageBase&  operator=(const SvImageBase& rSvImageBase);

public:

                        SvImageBase();
                        SvImageBase( const Bitmap& rBitmap,
                                     const ULONG nColorCount = 256,
                                     ULONG nLast = 0, SfxProgress* pProgress = NULL );
                        ~SvImageBase();

    BOOL                IsValid() { return bValid; }

    ULONG               GetOrgWidth() const { return nWhichOrg == 1 ? nWidth1 : nWidth2; }
    ULONG               GetDestWidth() const { return nWhichOrg == 1 ? nWidth2 : nWidth1; }

    ULONG               GetOrgHeight() const { return nWhichOrg == 1 ? nHeight1 : nHeight2; }
    ULONG               GetDestHeight() const { return nWhichOrg == 1 ? nHeight2 : nHeight1; }

    ULONG               GetOrgAlignedWidth() const { return nWhichOrg == 1 ? nAlignedWidth1 : nAlignedWidth2; }
    ULONG               GetDestAlignedWidth() const { return nWhichOrg == 1 ? nAlignedWidth2 : nAlignedWidth1; }

    ULONG               GetOrgAlignedSize() const { return GetOrgAlignedWidth() * GetOrgHeight(); }
    ULONG               GetDestAlignedSize() const { return GetDestAlignedWidth() * GetDestHeight(); }

    // Farbtiefe des Ausgangsbildes ermitteln und setzen
    SimDepthType        GetDepth() const { return eOrgDepth; }
    void                SetDepth( const SimDepthType eDepth ) { eOrgDepth = eDepth; }

    // Farbtiefen nach Undo und Redo ermitteln und setzen
    SimDepthType        GetUndoDepth() const { return eUndoDepth; }
    void                SetUndoDepth(const SimDepthType eDepth) { eUndoDepth = eDepth; }

    SimDepthType        GetRedoDepth() const { return eRedoDepth; }
    void                SetRedoDepth(const SimDepthType eDepth) { eRedoDepth = eDepth; }

    // Vor- und Ruecklauf der Bildverarbeitung
    BOOL                BeginProcessing( BOOL bUndo = TRUE );
    void                EndProcessing();

    BOOL                BeginProcessingExt(ULONG nWidth, ULONG nHeight, BOOL bUndo = TRUE);
    void                EndProcessingExt() { EndProcessing(); }

    // Zeiger auf Arrays zur Verfuegung stellen
    HPBYTE              GetOrgPointer() { return pOrgArray; }
    HPBYTE              GetDestPointer() { return pDestArray; }

    // DIB-Erzeugung fuer Anzeige
    BOOL                CreateOutBitmap( const ULONG nColorCount = 256, ULONG nLast = 0,
                                         SfxProgress* pProgress = NULL );

    // Undo-Verwaltung
    BOOL                DoUndo( SfxProgress* pProgress = NULL );
    BOOL                DoRedo( SfxProgress* pProgress = NULL );

    // DIB-Rueckgabe fuer Anzeige
    const Bitmap&       GetOutBitmap() const;

    // DIB-Rueckgabe fuer Speicherung
    Bitmap              GetSaveBitmap();

    // Palette besorgen
    SimPalette*         GetOrgPalette() const { return nWhichOrg == 1 ? pPal1 : pPal2; }
    SimPalette*         GetDestPalette() const { return nWhichOrg == 1 ? pPal2 : pPal1; }
};

// ----------------
// - DitherBitmap -
// ----------------

BOOL DitherBitmap( Bitmap& rBitmap, BOOL bDitherAlways = FALSE );

}//end of namespace binfilter
#endif // _SVIMBASE_HXX

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