canvas/source/cairo/cairo_spritecanvas.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/verbosetrace.hxx>
  22 #include <canvas/canvastools.hxx>
  23 #include <tools/diagnose_ex.h>
  24
  25 #include <osl/mutex.hxx>
  26
  27 #include <com/sun/star/registry/XRegistryKey.hpp>
  28 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  29 #include <com/sun/star/uno/XComponentContext.hpp>
  30 #include <com/sun/star/lang/NoSupportException.hpp>
  31
  32 #include <toolkit/helper/vclunohelper.hxx>
  33
  34 #include <basegfx/matrix/b2dhommatrix.hxx>
  35 #include <basegfx/point/b2dpoint.hxx>
  36 #include <basegfx/tools/canvastools.hxx>
  37 #include <basegfx/numeric/ftools.hxx>
  38
  39 #include "cairo_spritecanvas.hxx"
  40
  41 using namespace ::cairo;
  42 using namespace ::com::sun::star;
  43
  44 namespace cairocanvas
  45 {
  46     SpriteCanvas::SpriteCanvas( const uno::Sequence< uno::Any >&                aArguments,
  47                                 const uno::Reference< uno::XComponentContext >& rxContext ) :
  48         maArguments(aArguments),
  49         mxComponentContext( rxContext )
  50     {
  51     }
  52
  53     void SpriteCanvas::initialize()
  54     {
  55         VERBOSE_TRACE("CairoSpriteCanvas created %p\n", this);
  56
  57         // #i64742# Only call initialize when not in probe mode
  58         if( maArguments.getLength() == 0 )
  59             return;
  60
  61         /* maArguments:
  62            0: ptr to creating instance (Window or VirtualDevice)
  63            1: SystemEnvData as a streamed Any (or empty for VirtualDevice)
  64            2: current bounds of creating instance
  65            3: bool, denoting always on top state for Window (always false for VirtualDevice)
  66            4: XWindow for creating Window (or empty for VirtualDevice)
  67            5: SystemGraphicsData as a streamed Any
  68          */
  69         ENSURE_ARG_OR_THROW( maArguments.getLength() >= 4 &&
  70                              maArguments[0].getValueTypeClass() == uno::TypeClass_HYPER &&
  71                              maArguments[4].getValueTypeClass() == uno::TypeClass_INTERFACE,
  72                              "CairoSpriteCanvas::initialize: wrong number of arguments, or wrong types" );
  73
  74         awt::Rectangle aRect;
  75         maArguments[2] >>= aRect;
  76
  77         sal_Bool bIsFullscreen( sal_False );
  78         maArguments[3] >>= bIsFullscreen;
  79
  80         uno::Reference< awt::XWindow > xParentWindow;
  81         maArguments[4] >>= xParentWindow;
  82
  83         Window* pParentWindow = VCLUnoHelper::GetWindow(xParentWindow);
  84         if( !pParentWindow )
  85             throw lang::NoSupportException(
  86                 "Parent window not VCL window, or canvas out-of-process!", NULL);
  87
  88         bool bHasXRender = IsCairoWorking(pParentWindow);
  89         ENSURE_ARG_OR_THROW( bHasXRender == true,
  90                              "CairoSpriteCanvas::SpriteCanvas: No RENDER extension" );
  91
  92         Size aPixelSize( pParentWindow->GetOutputSizePixel() );
  93         const ::basegfx::B2ISize aSize( aPixelSize.Width(),
  94                                         aPixelSize.Height() );
  95
  96         ENSURE_ARG_OR_THROW( pParentWindow != NULL,
  97                              "CairoSpriteCanvas::initialize: invalid Window pointer" );
  98
  99         // setup helper
 100         maDeviceHelper.init( *pParentWindow,
 101                              *this,
 102                              aSize,
 103                              bIsFullscreen );
 104
 105         setWindow(uno::Reference<awt::XWindow2>(xParentWindow, uno::UNO_QUERY_THROW));
 106
 107         maCanvasHelper.init( maRedrawManager,
 108                              *this,
 109                              aSize );
 110
 111         maArguments.realloc(0);
 112     }
 113
 114     void SpriteCanvas::disposeThis()
 115     {
 116         ::osl::MutexGuard aGuard( m_aMutex );
 117
 118         mxComponentContext.clear();
 119
 120         // forward to parent
 121         SpriteCanvasBaseT::disposeThis();
 122     }
 123
 124     ::sal_Bool SAL_CALL SpriteCanvas::showBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 125     {
 126         return updateScreen( bUpdateAll );
 127     }
 128
 129     ::sal_Bool SAL_CALL SpriteCanvas::switchBuffer( ::sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 130     {
 131         return updateScreen( bUpdateAll );
 132     }
 133
 134     sal_Bool SAL_CALL SpriteCanvas::updateScreen( sal_Bool bUpdateAll ) throw (uno::RuntimeException)
 135     {
 136         ::osl::MutexGuard aGuard( m_aMutex );
 137
 138         // avoid repaints on hidden window (hidden: not mapped to
 139         // screen). Return failure, since the screen really has _not_
 140         // been updated (caller should try again later)
 141         return !mbIsVisible ? false : maCanvasHelper.updateScreen(
 142             ::basegfx::unotools::b2IRectangleFromAwtRectangle(maBounds),
 143             bUpdateAll,
 144             mbSurfaceDirty);
 145     }
 146
 147     OUString SAL_CALL SpriteCanvas::getServiceName(  ) throw (uno::RuntimeException)
 148     {
 149         return OUString( SPRITECANVAS_SERVICE_NAME );
 150     }
 151
 152     SurfaceSharedPtr SpriteCanvas::getSurface()
 153     {
 154         return maDeviceHelper.getBufferSurface();
 155     }
 156
 157     SurfaceSharedPtr SpriteCanvas::createSurface( const ::basegfx::B2ISize& rSize, Content aContent )
 158     {
 159         return maDeviceHelper.createSurface( rSize, aContent );
 160     }
 161
 162     SurfaceSharedPtr SpriteCanvas::createSurface( ::Bitmap& rBitmap )
 163     {
 164         BitmapSystemData aData;
 165         if( rBitmap.GetSystemData( aData ) ) {
 166             const Size& rSize = rBitmap.GetSizePixel();
 167
 168             return maDeviceHelper.createSurface( aData, rSize );
 169         }
 170
 171         return SurfaceSharedPtr();
 172     }
 173
 174     SurfaceSharedPtr SpriteCanvas::changeSurface( bool, bool )
 175     {
 176         // non-modifiable surface here
 177         return SurfaceSharedPtr();
 178     }
 179
 180     OutputDevice* SpriteCanvas::getOutputDevice()
 181     {
 182         return maDeviceHelper.getOutputDevice();
 183     }
 184
 185     SurfaceSharedPtr SpriteCanvas::getBufferSurface()
 186     {
 187         return maDeviceHelper.getBufferSurface();
 188     }
 189
 190     SurfaceSharedPtr SpriteCanvas::getWindowSurface()
 191     {
 192         return maDeviceHelper.getWindowSurface();
 193     }
 194
 195     const ::basegfx::B2ISize& SpriteCanvas::getSizePixel()
 196     {
 197         return maDeviceHelper.getSizePixel();
 198     }
 199
 200     void SpriteCanvas::setSizePixel( const ::basegfx::B2ISize& rSize )
 201     {
 202         maCanvasHelper.setSize( rSize );
 203         // re-set background surface, in case it needed recreation
 204         maCanvasHelper.setSurface( maDeviceHelper.getBufferSurface(),
 205                                    false );
 206     }
 207
 208     void SpriteCanvas::flush()
 209     {
 210         maDeviceHelper.flush();
 211     }
 212
 213     bool SpriteCanvas::repaint( const SurfaceSharedPtr&       pSurface,
 214                                 const rendering::ViewState&   viewState,
 215                                 const rendering::RenderState& renderState )
 216     {
 217         return maCanvasHelper.repaint( pSurface, viewState, renderState );
 218     }
 219 }
 220
 221 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */