canvas/source/vcl/spritedevicehelper.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
  22 #include <osl/diagnose.h>
  23 #include <vcl/bitmapex.hxx>
  24 #include <vcl/dibtools.hxx>
  25 #include <tools/stream.hxx>
  26
  27 #include "spritedevicehelper.hxx"
  28 #include "impltools.hxx"
  29
  30 using namespace ::com::sun::star;
  31
  32 namespace vclcanvas
  33 {
  34     SpriteDeviceHelper::SpriteDeviceHelper()
  35     {
  36     }
  37
  38     void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )
  39     {
  40         DeviceHelper::init(pOutDev);
  41
  42         // setup back buffer
  43         OutputDevice& rOutDev( pOutDev->getOutDev() );
  44         mpBackBuffer = std::make_shared<BackBuffer>( rOutDev );
  45         mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );
  46
  47         tools::SetDefaultDeviceAntiAliasing( &mpBackBuffer->getOutDev());
  48     }
  49
  50     bool SpriteDeviceHelper::showBuffer( bool, bool )
  51     {
  52         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  53         return false;
  54     }
  55
  56     bool SpriteDeviceHelper::switchBuffer( bool, bool )
  57     {
  58         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  59         return false;
  60     }
  61
  62     void SpriteDeviceHelper::disposing()
  63     {
  64         // release all references
  65         mpBackBuffer.reset();
  66
  67         DeviceHelper::disposing();
  68     }
  69
  70     uno::Any SpriteDeviceHelper::isAccelerated() const
  71     {
  72         return DeviceHelper::isAccelerated();
  73     }
  74
  75     uno::Any SpriteDeviceHelper::getDeviceHandle() const
  76     {
  77         return DeviceHelper::getDeviceHandle();
  78     }
  79
  80     uno::Any SpriteDeviceHelper::getSurfaceHandle() const
  81     {
  82         if( !mpBackBuffer )
  83             return uno::Any();
  84
  85         return uno::Any(
  86             reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );
  87     }
  88
  89     void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
  90     {
  91         if( mpBackBuffer )
  92             mpBackBuffer->setSize( ::Size(rBounds.Width,
  93                                           rBounds.Height) );
  94     }
  95
  96     void SpriteDeviceHelper::dumpScreenContent() const
  97     {
  98         DeviceHelper::dumpScreenContent();
  99
 100         static sal_Int32 nFilePostfixCount(0);
 101
 102         if( mpBackBuffer )
 103         {
 104             OUString aFilename = "dbg_backbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
 105
 106             SvFileStream aStream( aFilename, StreamMode::STD_READWRITE );
 107
 108             const ::Point aEmptyPoint;
 109             mpBackBuffer->getOutDev().EnableMapMode( false );
 110             mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::Enable );
 111             WriteDIB(mpBackBuffer->getOutDev().GetBitmapEx(aEmptyPoint, mpBackBuffer->getOutDev().GetOutputSizePixel()), aStream, false);
 112         }
 113
 114         ++nFilePostfixCount;
 115     }
 116
 117 }
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */