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
  21 #include <canvas/debug.hxx>
  22 #include <canvas/canvastools.hxx>
  23
  24 #include <toolkit/helper/vclunohelper.hxx>
  25 #include <vcl/canvastools.hxx>
  26 #include <basegfx/tools/canvastools.hxx>
  27
  28 #include "spritedevicehelper.hxx"
  29 #include "spritecanvas.hxx"
  30 #include "spritecanvashelper.hxx"
  31 #include "canvasbitmap.hxx"
  32
  33
  34 using namespace ::com::sun::star;
  35
  36 namespace vclcanvas
  37 {
  38     SpriteDeviceHelper::SpriteDeviceHelper() :
  39         mpBackBuffer()
  40     {
  41     }
  42
  43     void SpriteDeviceHelper::init( const OutDevProviderSharedPtr& pOutDev )
  44     {
  45         DeviceHelper::init(pOutDev);
  46
  47         // setup back buffer
  48         OutputDevice& rOutDev( pOutDev->getOutDev() );
  49         mpBackBuffer.reset( new BackBuffer( rOutDev ));
  50         mpBackBuffer->setSize( rOutDev.GetOutputSizePixel() );
  51
  52         // #i95645#
  53 #if defined( MACOSX )
  54         // use AA on VCLCanvas for Mac
  55         mpBackBuffer->getOutDev().SetAntialiasing( ANTIALIASING_ENABLE_B2DDRAW | mpBackBuffer->getOutDev().GetAntialiasing() );
  56 #else
  57         // switch off AA for WIN32 and UNIX, the VCLCanvas does not look good with it and
  58         // is not required to do AA. It would need to be adapted to use it correctly
  59         // (especially gradient painting). This will need extra work.
  60         mpBackBuffer->getOutDev().SetAntialiasing(mpBackBuffer->getOutDev().GetAntialiasing() & ~ANTIALIASING_ENABLE_B2DDRAW);
  61 #endif
  62     }
  63
  64     ::sal_Int32 SpriteDeviceHelper::createBuffers( ::sal_Int32 nBuffers )
  65     {
  66         (void)nBuffers;
  67
  68         // TODO(F3): implement XBufferStrategy interface. For now, we
  69         // _always_ will have exactly one backbuffer
  70         return 1;
  71     }
  72
  73     void SpriteDeviceHelper::destroyBuffers()
  74     {
  75         // TODO(F3): implement XBufferStrategy interface. For now, we
  76         // _always_ will have exactly one backbuffer
  77     }
  78
  79     ::sal_Bool SpriteDeviceHelper::showBuffer( bool, ::sal_Bool )
  80     {
  81         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  82         return sal_False;
  83     }
  84
  85     ::sal_Bool SpriteDeviceHelper::switchBuffer( bool, ::sal_Bool )
  86     {
  87         OSL_FAIL("Not supposed to be called, handled by SpriteCanvas");
  88         return sal_False;
  89     }
  90
  91     void SpriteDeviceHelper::disposing()
  92     {
  93         // release all references
  94         mpBackBuffer.reset();
  95
  96         DeviceHelper::disposing();
  97     }
  98
  99     uno::Any SpriteDeviceHelper::isAccelerated() const
 100     {
 101         return DeviceHelper::isAccelerated();
 102     }
 103
 104     uno::Any SpriteDeviceHelper::getDeviceHandle() const
 105     {
 106         return DeviceHelper::getDeviceHandle();
 107     }
 108
 109     uno::Any SpriteDeviceHelper::getSurfaceHandle() const
 110     {
 111         if( !mpBackBuffer )
 112             return uno::Any();
 113
 114         return uno::makeAny(
 115             reinterpret_cast< sal_Int64 >(&mpBackBuffer->getOutDev()) );
 116     }
 117
 118     void SpriteDeviceHelper::notifySizeUpdate( const awt::Rectangle& rBounds )
 119     {
 120         if( mpBackBuffer )
 121             mpBackBuffer->setSize( ::Size(rBounds.Width,
 122                                           rBounds.Height) );
 123     }
 124
 125     void SpriteDeviceHelper::dumpScreenContent() const
 126     {
 127         DeviceHelper::dumpScreenContent();
 128
 129         static sal_Int32 nFilePostfixCount(0);
 130
 131         if( mpBackBuffer )
 132         {
 133             OUString aFilename("dbg_backbuffer");
 134             aFilename += OUString::valueOf(nFilePostfixCount);
 135             aFilename += OUString(".bmp");
 136
 137             SvFileStream aStream( aFilename, STREAM_STD_READWRITE );
 138
 139             const ::Point aEmptyPoint;
 140             mpBackBuffer->getOutDev().EnableMapMode( sal_False );
 141             aStream << mpBackBuffer->getOutDev().GetBitmap(aEmptyPoint,
 142                                                             mpBackBuffer->getOutDev().GetOutputSizePixel());
 143         }
 144
 145         ++nFilePostfixCount;
 146     }
 147
 148 }
 149
 150 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */