vcl/source/gdi/impbmp.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <vcl/bitmap.hxx>
  21
  22 #include <svdata.hxx>
  23 #include <salinst.hxx>
  24 #include <salbmp.hxx>
  25 #include <impbmp.hxx>
  26
  27 ImpBitmap::ImpBitmap() :
  28             mnRefCount  ( 1 ),
  29             mpSalBitmap ( ImplGetSVData()->mpDefInst->CreateSalBitmap() )
  30 {
  31 }
  32
  33 ImpBitmap::ImpBitmap(SalBitmap* pBitmap) :
  34             mnRefCount  ( 1 ),
  35             mpSalBitmap ( pBitmap )
  36 {
  37 }
  38
  39 ImpBitmap::~ImpBitmap()
  40 {
  41     delete mpSalBitmap;
  42 }
  43
  44 bool ImpBitmap::ImplIsEqual(const ImpBitmap& rBmp) const
  45 {
  46     return (rBmp.ImplGetSize() == ImplGetSize() &&
  47         rBmp.ImplGetBitCount() == ImplGetBitCount() &&
  48         rBmp.ImplGetChecksum() == ImplGetChecksum());
  49 }
  50
  51 bool ImpBitmap::ImplCreate(const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal)
  52 {
  53     return mpSalBitmap->Create( rSize, nBitCount, rPal );
  54 }
  55
  56 bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap )
  57 {
  58     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap );
  59 }
  60
  61 bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, SalGraphics* pGraphics )
  62 {
  63     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, pGraphics );
  64 }
  65
  66 bool ImpBitmap::ImplCreate( const ImpBitmap& rImpBitmap, sal_uInt16 nNewBitCount )
  67 {
  68     return mpSalBitmap->Create( *rImpBitmap.mpSalBitmap, nNewBitCount );
  69 }
  70
  71 Size ImpBitmap::ImplGetSize() const
  72 {
  73     return mpSalBitmap->GetSize();
  74 }
  75
  76 sal_uInt16 ImpBitmap::ImplGetBitCount() const
  77 {
  78     sal_uInt16 nBitCount = mpSalBitmap->GetBitCount();
  79     return( ( nBitCount <= 1 ) ? 1 : ( nBitCount <= 4 ) ? 4 : ( nBitCount <= 8 ) ? 8 : 24 );
  80 }
  81
  82 BitmapBuffer* ImpBitmap::ImplAcquireBuffer( BitmapAccessMode nMode )
  83 {
  84     return mpSalBitmap->AcquireBuffer( nMode );
  85 }
  86
  87 void ImpBitmap::ImplReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode )
  88 {
  89     mpSalBitmap->ReleaseBuffer( pBuffer, nMode );
  90
  91     if( nMode == BITMAP_WRITE_ACCESS )
  92         ImplInvalidateChecksum();
  93 }
  94
  95 BitmapChecksum ImpBitmap::ImplGetChecksum() const
  96 {
  97     SalBitmap::ChecksumType aChecksum;
  98     mpSalBitmap->GetChecksum(aChecksum);
  99     return aChecksum;
 100 }
 101
 102 void ImpBitmap::ImplInvalidateChecksum()
 103 {
 104     mpSalBitmap->InvalidateChecksum();
 105 }
 106
 107 bool ImpBitmap::ImplScale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag )
 108 {
 109     return mpSalBitmap->Scale( rScaleX, rScaleY, nScaleFlag );
 110 }
 111
 112 bool ImpBitmap::ImplReplace( const Color& rSearchColor, const Color& rReplaceColor, sal_uLong nTol )
 113 {
 114     return mpSalBitmap->Replace( rSearchColor, rReplaceColor, nTol );
 115 }
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */