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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SV_SALBMP_H
#define _SV_SALBMP_H

#include <salstd.hxx>
#ifndef _SV_SALGTYPE
#include <vcl/salgtype.hxx>
#endif
#include <saldisp.hxx>
#include <vcl/salbmp.hxx>
#include <vcl/dllapi.h>

struct	BitmapBuffer;
class	BitmapPalette;
class	SalGraphics;
class	ImplSalDDB;
class	ImplSalBitmapCache;

// -------------
// - SalBitmap -
// -------------

class VCL_DLLPUBLIC X11SalBitmap : public SalBitmap
{
private:

    static BitmapBuffer*		ImplCreateDIB( const Size& rSize,
                                               USHORT nBitCount, 
                                               const BitmapPalette& rPal );
    static BitmapBuffer*		ImplCreateDIB( Drawable aDrawable,
                                               int nScreen,
                                               long nDrawableDepth,
                                               long nX, long nY,
                                               long nWidth, long nHeight,
                                               bool bGrey );

public:

    static ImplSalBitmapCache*	mpCache;
    static ULONG				mnCacheInstCount;

    static void					ImplCreateCache();
    static void					ImplDestroyCache();
    void				        ImplRemovedFromCache();

    bool                        SnapShot (Display* pDisplay, XLIB_Window hWindow);
    bool                        ImplCreateFromXImage( Display* pDisplay,
                                                      XLIB_Window hWindow,
                                                      int nScreen,
                                                      XImage* pImage);
private:


    BitmapBuffer*	mpDIB;
    ImplSalDDB*		mpDDB;
    bool            mbGrey;
                                
public:

    SAL_DLLPRIVATE bool    ImplCreateFromDrawable( Drawable aDrawable,
                                                  int nScreen,
                                                  long nDrawableDepth,
                                                  long nX, long nY, 
                                                  long nWidth, long nHeight );

    SAL_DLLPRIVATE XImage* ImplCreateXImage( SalDisplay* pSalDisp,
                                            int nScreen, long nDepth, 
                                              const SalTwoRect& rTwoRect ) const;

    SAL_DLLPRIVATE ImplSalDDB* ImplGetDDB( Drawable, int nScreen, long nDrawableDepth,
                                           const SalTwoRect& ) const;
    void    ImplDraw( Drawable aDrawable, int nScreen, long nDrawableDepth, 
                      const SalTwoRect& rTwoRect, const GC& rGC ) const;
                        
public:					
                                
    X11SalBitmap();
    virtual ~X11SalBitmap();

    // overload pure virtual methods
    virtual bool			Create( const Size& rSize, 
                            USHORT nBitCount, 
                            const BitmapPalette& rPal );
    virtual bool			Create( const SalBitmap& rSalBmp );
    virtual bool			Create( const SalBitmap& rSalBmp, 
                                    SalGraphics* pGraphics );
    virtual bool			Create( const SalBitmap& rSalBmp,
                                    USHORT nNewBitCount );
    virtual bool			Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > xBitmapCanvas,
                                    Size& rSize,
                                    bool bMask = false );
                        
    virtual void			Destroy();
                        
    virtual Size			GetSize() const;
    virtual USHORT			GetBitCount() const;
                        
    virtual BitmapBuffer*	AcquireBuffer( bool bReadOnly );
    virtual void			ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly );
    virtual bool            GetSystemData( BitmapSystemData& rData );
};

// --------------
// - ImplSalDDB -
// --------------

class ImplSalDDB
{
private:

    Pixmap			maPixmap;
    SalTwoRect		maTwoRect;
    long			mnDepth;
    int             mnScreen;

                    ImplSalDDB() {}

    static void	ImplDraw( Drawable aSrcDrawable, long nSrcDrawableDepth,
                          Drawable aDstDrawable, long nDstDrawableDepth,
                          long nSrcX, long nSrcY, 
                          long nDestWidth, long nDestHeight, 
                          long nDestX, long nDestY, const GC& rGC );
                    
public:				
                    
                    ImplSalDDB( XImage* pImage,
                                Drawable aDrawable, int nScreen, 
                                const SalTwoRect& rTwoRect );
                    ImplSalDDB( Drawable aDrawable,
                                int nScreen,
                                long nDrawableDepth,
                                long nX, long nY, long nWidth, long nHeight );
                    ImplSalDDB( Display* pDisplay,
                                XLIB_Window hWindow,
                                int nScreen,
                                XImage* pImage); 
                    ~ImplSalDDB();
                    
    Pixmap			ImplGetPixmap() const { return maPixmap; }
    long			ImplGetWidth() const { return maTwoRect.mnDestWidth; }
    long			ImplGetHeight() const { return maTwoRect.mnDestHeight; }
    long			ImplGetDepth() const { return mnDepth; }
    ULONG			ImplGetMemSize() const { return( ( maTwoRect.mnDestWidth * maTwoRect.mnDestHeight * mnDepth ) >> 3 ); }
    int             ImplGetScreen() const { return mnScreen; }
                    
    bool			ImplMatches( int nScreen, long nDepth, const SalTwoRect& rTwoRect ) const;
    void			ImplDraw( Drawable aDrawable, long nDrawableDepth, 
                              const SalTwoRect& rTwoRect, const GC& rGC ) const;
};

// ----------------------
// - ImplSalBitmapCache -
// ----------------------

class ImplSalBitmapCache
{
private:

    List			maBmpList;
    ULONG			mnTotalSize;

public:				
                    
                    ImplSalBitmapCache();
                    ~ImplSalBitmapCache();

    void			ImplAdd( X11SalBitmap* pBmp, ULONG nMemSize = 0UL, ULONG nFlags = 0UL );
    void			ImplRemove( X11SalBitmap* pBmp );
    void			ImplClear();
};

#endif // _SV_SALBMP_HXX












































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