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 <canvas/debug.hxx>
  21 #include <canvas/canvastools.hxx>
  22 #include <toolkit/helper/vclunohelper.hxx>
  23 #include <vcl/canvastools.hxx>
  24 #include <basegfx/tools/canvastools.hxx>
  25 #include <vcl/dibtools.hxx>
  26
  27 #include "spritedevicehelper.hxx"
  28 #include "spritecanvas.hxx"
  29 #include "spritecanvashelper.hxx"
  30 #include "canvasbitmap.hxx"
  31
  32 using namespace ::com::sun::star;
  33
  34 namespace vclcanvas
  35 {
  36     SpriteDeviceHelper::SpriteDeviceHelper() :
  37         mpBackBuffer()
  38     {
  39     }
  40
  41     void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )
  42     {
  43         DeviceHelper::init(pOutDev);
  44
  45         // setup back buffer
  46         OutputDevice& rOutDev( pOutDev->getOutDev() );
  47         mpBackBuffer.reset( new BackBuffer( rOutDev ));
  48         mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );
  49
  50         // #i95645#
  51 #if defined( MACOSX )
  52         // use AA on VCLCanvas for Mac
  53         mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::EnableB2dDraw | mpBackBuffer->getOutDev().GetAntialiasing() );
  54 #else
  55         // switch off AA for WIN32 and UNIX, the VCLCanvas does not look good with it and
  56         // is not required to do AA. It would need to be adapted to use it correctly
  57         // (especially gradient painting). This will need extra work.
  58         mpBackBuffer->getOutDev().SetAntialiasing(mpBackBuffer->getOutDev().GetAntialiasing() & ~AntialiasingFlags::EnableB2dDraw);
  59 #endif
  60     }
  61
  62     bool SpriteDeviceHelper::showBuffer( bool, bool )
  63     {
  64         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  65         return false;
  66     }
  67
  68     bool SpriteDeviceHelper::switchBuffer( bool, bool )
  69     {
  70         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  71         return false;
  72     }
  73
  74     void SpriteDeviceHelper::disposing()
  75     {
  76         // release all references
  77         mpBackBuffer.reset();
  78
  79         DeviceHelper::disposing();
  80     }
  81
  82     uno::Any SpriteDeviceHelper::isAccelerated() const
  83     {
  84         return DeviceHelper::isAccelerated();
  85     }
  86
  87     uno::Any SpriteDeviceHelper::getDeviceHandle() const
  88     {
  89         return DeviceHelper::getDeviceHandle();
  90     }
  91
  92     uno::Any SpriteDeviceHelper::getSurfaceHandle() const
  93     {
  94         if( !mpBackBuffer )
  95             return uno::Any();
  96
  97         return uno::makeAny(
  98             reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );
  99     }
 100
 101     void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
 102     {
 103         if( mpBackBuffer )
 104             mpBackBuffer->setSize( ::Size(rBounds.Width,
 105                                           rBounds.Height) );
 106     }
 107
 108     void SpriteDeviceHelper::dumpScreenContent() const
 109     {
 110         DeviceHelper::dumpScreenContent();
 111
 112         static sal_Int32 nFilePostfixCount(0);
 113
 114         if( mpBackBuffer )
 115         {
 116             OUString aFilename = "dbg_backbuffer" + OUString::number(nFilePostfixCount) + ".bmp";
 117
 118             SvFileStream aStream( aFilename, STREAM_STD_READWRITE );
 119
 120             const ::Point aEmptyPoint;
 121             mpBackBuffer->getOutDev().EnableMapMode( false );
 122             mpBackBuffer->getOutDev().SetAntialiasing( AntialiasingFlags::EnableB2dDraw );
 123             WriteDIB(mpBackBuffer->getOutDev().GetBitmap(aEmptyPoint, mpBackBuffer->getOutDev().GetOutputSizePixel()), aStream, false, true);
 124         }
 125
 126         ++nFilePostfixCount;
 127     }
 128
 129 }
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */