vcl/source/outdev/stack.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 <sal/config.h>
  21 #include <sal/log.hxx>
  22 #include <tools/debug.hxx>
  23
  24 #include <vcl/metaact.hxx>
  25 #include <vcl/rendercontext/State.hxx>
  26 #include <vcl/virdev.hxx>
  27 #include <vcl/settings.hxx>
  28
  29 #include <drawmode.hxx>
  30 #include <salgdi.hxx>
  31
  32 void OutputDevice::Push(vcl::PushFlags nFlags)
  33 {
  34     if (mpMetaFile)
  35         mpMetaFile->AddAction(new MetaPushAction(nFlags));
  36
  37     maOutDevStateStack.emplace_back();
  38     vcl::State& rState = maOutDevStateStack.back();
  39
  40     rState.mnFlags = nFlags;
  41
  42     if (nFlags & vcl::PushFlags::LINECOLOR && mbLineColor)
  43         rState.mpLineColor = maLineColor;
  44
  45     if (nFlags & vcl::PushFlags::FILLCOLOR && mbFillColor)
  46         rState.mpFillColor = maFillColor;
  47
  48     if (nFlags & vcl::PushFlags::FONT)
  49         rState.mpFont = maFont;
  50
  51     if (nFlags & vcl::PushFlags::TEXTCOLOR)
  52         rState.mpTextColor = GetTextColor();
  53
  54     if (nFlags & vcl::PushFlags::TEXTFILLCOLOR && IsTextFillColor())
  55         rState.mpTextFillColor = GetTextFillColor();
  56
  57     if (nFlags & vcl::PushFlags::TEXTLINECOLOR && IsTextLineColor())
  58         rState.mpTextLineColor = GetTextLineColor();
  59
  60     if (nFlags & vcl::PushFlags::OVERLINECOLOR && IsOverlineColor())
  61         rState.mpOverlineColor = GetOverlineColor();
  62
  63     if (nFlags & vcl::PushFlags::TEXTALIGN)
  64         rState.meTextAlign = GetTextAlign();
  65
  66     if (nFlags & vcl::PushFlags::TEXTLAYOUTMODE)
  67         rState.mnTextLayoutMode = GetLayoutMode();
  68
  69     if (nFlags & vcl::PushFlags::TEXTLANGUAGE)
  70         rState.meTextLanguage = GetDigitLanguage();
  71
  72     if (nFlags & vcl::PushFlags::RASTEROP)
  73         rState.meRasterOp = GetRasterOp();
  74
  75     if (nFlags & vcl::PushFlags::MAPMODE)
  76     {
  77         rState.mpMapMode = maMapMode;
  78         rState.mbMapActive = mbMap;
  79     }
  80
  81     if (nFlags & vcl::PushFlags::CLIPREGION && mbClipRegion)
  82         rState.mpClipRegion.reset(new vcl::Region(maRegion));
  83
  84     if (nFlags & vcl::PushFlags::REFPOINT && mbRefPoint)
  85         rState.mpRefPoint = maRefPoint;
  86
  87     if (mpAlphaVDev)
  88         mpAlphaVDev->Push();
  89 }
  90
  91 void OutputDevice::Pop()
  92 {
  93     if( mpMetaFile )
  94         mpMetaFile->AddAction( new MetaPopAction() );
  95
  96     GDIMetaFile* pOldMetaFile = mpMetaFile;
  97     mpMetaFile = nullptr;
  98
  99     if ( maOutDevStateStack.empty() )
 100     {
 101         SAL_WARN( "vcl.gdi", "OutputDevice::Pop() without OutputDevice::Push()" );
 102         return;
 103     }
 104     const vcl::State& rState = maOutDevStateStack.back();
 105
 106     if( mpAlphaVDev )
 107         mpAlphaVDev->Pop();
 108
 109     if ( rState.mnFlags & vcl::PushFlags::LINECOLOR )
 110     {
 111         if ( rState.mpLineColor )
 112             SetLineColor( *rState.mpLineColor );
 113         else
 114             SetLineColor();
 115     }
 116
 117     if ( rState.mnFlags & vcl::PushFlags::FILLCOLOR )
 118     {
 119         if ( rState.mpFillColor )
 120             SetFillColor( *rState.mpFillColor );
 121         else
 122             SetFillColor();
 123     }
 124
 125     if ( rState.mnFlags & vcl::PushFlags::FONT )
 126         SetFont( *rState.mpFont );
 127
 128     if ( rState.mnFlags & vcl::PushFlags::TEXTCOLOR )
 129         SetTextColor( *rState.mpTextColor );
 130
 131     if ( rState.mnFlags & vcl::PushFlags::TEXTFILLCOLOR )
 132     {
 133         if ( rState.mpTextFillColor )
 134             SetTextFillColor( *rState.mpTextFillColor );
 135         else
 136             SetTextFillColor();
 137     }
 138
 139     if ( rState.mnFlags & vcl::PushFlags::TEXTLINECOLOR )
 140     {
 141         if ( rState.mpTextLineColor )
 142             SetTextLineColor( *rState.mpTextLineColor );
 143         else
 144             SetTextLineColor();
 145     }
 146
 147     if ( rState.mnFlags & vcl::PushFlags::OVERLINECOLOR )
 148     {
 149         if ( rState.mpOverlineColor )
 150             SetOverlineColor( *rState.mpOverlineColor );
 151         else
 152             SetOverlineColor();
 153     }
 154
 155     if ( rState.mnFlags & vcl::PushFlags::TEXTALIGN )
 156         SetTextAlign( rState.meTextAlign );
 157
 158     if( rState.mnFlags & vcl::PushFlags::TEXTLAYOUTMODE )
 159         SetLayoutMode( rState.mnTextLayoutMode );
 160
 161     if( rState.mnFlags & vcl::PushFlags::TEXTLANGUAGE )
 162         SetDigitLanguage( rState.meTextLanguage );
 163
 164     if ( rState.mnFlags & vcl::PushFlags::RASTEROP )
 165         SetRasterOp( rState.meRasterOp );
 166
 167     if ( rState.mnFlags & vcl::PushFlags::MAPMODE )
 168     {
 169         if ( rState.mpMapMode )
 170             SetMapMode( *rState.mpMapMode );
 171         else
 172             SetMapMode();
 173         mbMap = rState.mbMapActive;
 174     }
 175
 176     if ( rState.mnFlags & vcl::PushFlags::CLIPREGION )
 177         SetDeviceClipRegion( rState.mpClipRegion.get() );
 178
 179     if ( rState.mnFlags & vcl::PushFlags::REFPOINT )
 180     {
 181         if ( rState.mpRefPoint )
 182             SetRefPoint( *rState.mpRefPoint );
 183         else
 184             SetRefPoint();
 185     }
 186
 187     maOutDevStateStack.pop_back();
 188
 189     mpMetaFile = pOldMetaFile;
 190 }
 191
 192 void OutputDevice::ClearStack()
 193 {
 194     sal_uInt32 nCount = maOutDevStateStack.size();
 195     while( nCount-- )
 196         Pop();
 197 }
 198
 199 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */