vcl/source/gdi/impbmp.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: impbmp.cxx,v $
  10  * $Revision: 1.12 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_vcl.hxx"
  33
  34 #ifndef _SV_SVSYS_HXX
  35 #include <svsys.h>
  36 #endif
  37 #include <vcl/salbmp.hxx>
  38 #include <tools/debug.hxx>
  39 #include <vcl/impbmp.hxx>
  40 #include <vcl/bitmap.hxx>
  41 #include <vcl/svdata.hxx>
  42 #include <vcl/salinst.hxx>
  43
  44 // --------------
  45 // - ImpBitmap  -
  46 // --------------
  47
  48 ImpBitmap::ImpBitmap() :
  49             mnRefCount  ( 1UL ),
  50             mnChecksum  ( 0UL ),
  51             mpSalBitmap ( ImplGetSVData()->mpDefInst->CreateSalBitmap() ),
  52             maSourceSize( 0, 0 )
  53 {
  54 }
  55
  56 // -----------------------------------------------------------------------
  57
  58 ImpBitmap::~ImpBitmap()
  59 {
  60     delete mpSalBitmap;
  61 }
  62
  63 // -----------------------------------------------------------------------
  64 void ImpBitmap::ImplSetSalBitmap( SalBitmap* pBitmap )
  65 {
  66     delete mpSalBitmap, mpSalBitmap = pBitmap;
  67 }
  68
  69 // -----------------------------------------------------------------------
  70
  71 BOOL ImpBitmap::ImplCreate( const Size& rSize, USHORT nBitCount, const BitmapPalette& rPal )
  72 {
  73     maSourceSize = rSize;
  74     return mpSalBitmap->Create( rSize, nBitCount, rPal );
  75 }
  76
  77 // -----------------------------------------------------------------------
  78
  79 BOOL ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap )
  80 {
  81     maSourceSize = rImpBitmap.maSourceSize;
  82     mnChecksum = rImpBitmap.mnChecksum;
  83     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap );
  84 }
  85
  86 // -----------------------------------------------------------------------
  87
  88 BOOL ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, SalGraphics* pGraphics )
  89 {
  90     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, pGraphics );
  91 }
  92
  93 // -----------------------------------------------------------------------
  94
  95 BOOL ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, USHORT nNewBitCount )
  96 {
  97     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, nNewBitCount );
  98 }
  99
 100 // -----------------------------------------------------------------------
 101
 102 void ImpBitmap::ImplDestroy()
 103 {
 104     mpSalBitmap->Destroy();
 105 }
 106
 107 // -----------------------------------------------------------------------
 108
 109 Size ImpBitmap::ImplGetSize() const
 110 {
 111     return mpSalBitmap->GetSize();
 112 }
 113
 114 // -----------------------------------------------------------------------
 115
 116 USHORT ImpBitmap::ImplGetBitCount() const
 117 {
 118     USHORT nBitCount = mpSalBitmap->GetBitCount();
 119     return( ( nBitCount <= 1 ) ? 1 : ( nBitCount <= 4 ) ? 4 : ( nBitCount <= 8 ) ? 8 : 24 );
 120 }
 121
 122 // -----------------------------------------------------------------------
 123
 124 BitmapBuffer* ImpBitmap::ImplAcquireBuffer( BOOL bReadOnly )
 125 {
 126     return mpSalBitmap->AcquireBuffer( bReadOnly );
 127 }
 128
 129 // -----------------------------------------------------------------------
 130
 131 void ImpBitmap::ImplReleaseBuffer( BitmapBuffer* pBuffer, BOOL bReadOnly )
 132 {
 133     mpSalBitmap->ReleaseBuffer( pBuffer, bReadOnly );
 134
 135     if( !bReadOnly )
 136         mnChecksum = 0;
 137 }