cppcanvas/source/wrapper/implspritecanvas.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.
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   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 <basegfx/matrix/b2dhommatrix.hxx>
  21 #include <basegfx/tools/canvastools.hxx>
  22 #include <basegfx/polygon/b2dpolypolygon.hxx>
  23 #include <com/sun/star/rendering/InterpolationMode.hpp>
  24
  25 #include <implspritecanvas.hxx>
  26 #include <implcustomsprite.hxx>
  27
  28
  29 using namespace ::com::sun::star;
  30
  31 namespace cppcanvas
  32 {
  33     namespace internal
  34     {
  35         ImplSpriteCanvas::TransformationArbiter::TransformationArbiter() :
  36             maTransformation()
  37         {
  38         }
  39
  40         void ImplSpriteCanvas::TransformationArbiter::setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform )
  41         {
  42             maTransformation = rViewTransform;
  43         }
  44
  45         ::basegfx::B2DHomMatrix ImplSpriteCanvas::TransformationArbiter::getTransformation() const
  46         {
  47             return maTransformation;
  48         }
  49
  50
  51         ImplSpriteCanvas::ImplSpriteCanvas( const uno::Reference< rendering::XSpriteCanvas >& rCanvas ) :
  52             ImplCanvas( uno::Reference< rendering::XCanvas >(rCanvas,
  53                                                              uno::UNO_QUERY) ),
  54             ImplBitmapCanvas( uno::Reference< rendering::XBitmapCanvas >(rCanvas,
  55                                                                          uno::UNO_QUERY) ),
  56             mxSpriteCanvas( rCanvas ),
  57             mpTransformArbiter( new TransformationArbiter() )
  58         {
  59             OSL_ENSURE( mxSpriteCanvas.is(), "ImplSpriteCanvas::ImplSpriteCanvas(): Invalid canvas" );
  60         }
  61
  62         ImplSpriteCanvas::ImplSpriteCanvas(const ImplSpriteCanvas& rOrig) :
  63             Canvas(),
  64             BitmapCanvas(),
  65             SpriteCanvas(),
  66             ImplCanvas( rOrig ),
  67             ImplBitmapCanvas( rOrig ),
  68             mxSpriteCanvas( rOrig.getUNOSpriteCanvas() ),
  69             mpTransformArbiter( new TransformationArbiter() )
  70         {
  71             OSL_ENSURE( mxSpriteCanvas.is(), "ImplSpriteCanvas::ImplSpriteCanvas( const ImplSpriteCanvas& ): Invalid canvas" );
  72
  73             mpTransformArbiter->setTransformation( getTransformation() );
  74         }
  75
  76         ImplSpriteCanvas::~ImplSpriteCanvas()
  77         {
  78         }
  79
  80         void ImplSpriteCanvas::setTransformation( const ::basegfx::B2DHomMatrix& rMatrix )
  81         {
  82             mpTransformArbiter->setTransformation( rMatrix );
  83
  84             ImplCanvas::setTransformation( rMatrix );
  85         }
  86
  87         bool ImplSpriteCanvas::updateScreen( bool bUpdateAll ) const
  88         {
  89             OSL_ENSURE( mxSpriteCanvas.is(), "ImplSpriteCanvas::updateScreen(): Invalid canvas" );
  90
  91             if( !mxSpriteCanvas.is() )
  92                 return false;
  93
  94             return mxSpriteCanvas->updateScreen( bUpdateAll );
  95         }
  96
  97         CustomSpriteSharedPtr ImplSpriteCanvas::createCustomSprite( const ::basegfx::B2DSize& rSize ) const
  98         {
  99             OSL_ENSURE( mxSpriteCanvas.is(), "ImplSpriteCanvas::createCustomSprite(): Invalid canvas" );
 100
 101             if( !mxSpriteCanvas.is() )
 102                 return CustomSpriteSharedPtr();
 103
 104             return CustomSpriteSharedPtr(
 105                 new ImplCustomSprite( mxSpriteCanvas,
 106                                       mxSpriteCanvas->createCustomSprite( ::basegfx::unotools::size2DFromB2DSize(rSize) ),
 107                                       mpTransformArbiter ) );
 108         }
 109
 110         SpriteSharedPtr ImplSpriteCanvas::createClonedSprite( const SpriteSharedPtr& rSprite ) const
 111         {
 112             OSL_ENSURE( mxSpriteCanvas.is(), "ImplSpriteCanvas::createCustomSprite(): Invalid canvas" );
 113             OSL_ENSURE( rSprite.get() != NULL && rSprite->getUNOSprite().is(),
 114                         "ImplSpriteCanvas::createCustomSprite(): Invalid sprite" );
 115
 116             if( !mxSpriteCanvas.is() ||
 117                 rSprite.get() == NULL ||
 118                 !rSprite->getUNOSprite().is() )
 119             {
 120                 return SpriteSharedPtr();
 121             }
 122
 123             return SpriteSharedPtr(
 124                 new ImplSprite( mxSpriteCanvas,
 125                                 mxSpriteCanvas->createClonedSprite( rSprite->getUNOSprite() ),
 126                                 mpTransformArbiter ) );
 127         }
 128
 129         CanvasSharedPtr ImplSpriteCanvas::clone() const
 130         {
 131             return SpriteCanvasSharedPtr( new ImplSpriteCanvas( *this ) );
 132         }
 133
 134         uno::Reference< rendering::XSpriteCanvas > ImplSpriteCanvas::getUNOSpriteCanvas() const
 135         {
 136             return mxSpriteCanvas;
 137         }
 138
 139     }
 140 }
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */