forked from amazingfate/loongoffice
567ef6d578
...mostly done with a rewriting Clang plugin, with just some manual tweaking necessary to fix poor macro usage. Change-Id: Ie656f9d653fc716f72ac175925272696d509038f
328 lines
12 KiB
C++
328 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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// must be first
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#include <canvas/debug.hxx>
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#include <com/sun/star/awt/Rectangle.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/awt/FontWeight.hpp>
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#include <vcl/metaact.hxx>
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#include <vcl/gdimtf.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <boost/bind.hpp>
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#include <cmath>
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#include <algorithm>
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#include <functional>
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#include <limits>
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#include "backgroundshape.hxx"
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#include "slideshowexceptions.hxx"
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#include "slideshowcontext.hxx"
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#include "gdimtftools.hxx"
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#include "shape.hxx"
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#include "viewbackgroundshape.hxx"
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using namespace ::com::sun::star;
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namespace slideshow
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{
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namespace internal
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{
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/** Representation of a draw document's background shape.
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This class implements the Shape interface for the
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background shape. Since the background shape is neither
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animatable nor attributable, those more specialized
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derivations of the Shape interface are not implemented
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here.
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@attention this class is to be treated 'final', i.e. one
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should not derive from it.
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*/
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class BackgroundShape : public Shape
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{
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public:
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/** Create the background shape.
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This method creates a shape that handles the
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peculiarities of the draw API regarding background
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content.
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*/
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BackgroundShape( const ::com::sun::star::uno::Reference<
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::com::sun::star::drawing::XDrawPage >& xDrawPage,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::drawing::XDrawPage >& xMasterPage,
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const SlideShowContext& rContext ); // throw ShapeLoadFailedException;
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virtual ::com::sun::star::uno::Reference<
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::com::sun::star::drawing::XShape > getXShape() const SAL_OVERRIDE;
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// View layer methods
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virtual void addViewLayer( const ViewLayerSharedPtr& rNewLayer,
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bool bRedrawLayer ) SAL_OVERRIDE;
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virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) SAL_OVERRIDE;
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virtual bool clearAllViewLayers() SAL_OVERRIDE;
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// attribute methods
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virtual ::basegfx::B2DRectangle getBounds() const SAL_OVERRIDE;
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virtual ::basegfx::B2DRectangle getDomBounds() const SAL_OVERRIDE;
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virtual ::basegfx::B2DRectangle getUpdateArea() const SAL_OVERRIDE;
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virtual bool isVisible() const SAL_OVERRIDE;
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virtual double getPriority() const SAL_OVERRIDE;
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virtual bool isBackgroundDetached() const SAL_OVERRIDE;
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// render methods
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virtual bool update() const SAL_OVERRIDE;
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virtual bool render() const SAL_OVERRIDE;
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virtual bool isContentChanged() const SAL_OVERRIDE;
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private:
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/// The metafile actually representing the Shape
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GDIMetaFileSharedPtr mpMtf;
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// The attributes of this Shape
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::basegfx::B2DRectangle maBounds; // always needed for rendering
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/// the list of active view shapes (one for each registered view layer)
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typedef ::std::vector< ViewBackgroundShapeSharedPtr > ViewBackgroundShapeVector;
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ViewBackgroundShapeVector maViewShapes;
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};
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BackgroundShape::BackgroundShape( const uno::Reference< drawing::XDrawPage >& xDrawPage,
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const uno::Reference< drawing::XDrawPage >& xMasterPage,
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const SlideShowContext& rContext ) :
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mpMtf(),
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maBounds(),
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maViewShapes()
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{
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uno::Reference< beans::XPropertySet > xPropSet( xDrawPage,
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uno::UNO_QUERY_THROW );
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GDIMetaFileSharedPtr pMtf( new GDIMetaFile() );
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// first try the page background (overrides
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// masterpage background), then try masterpage
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if( !getMetaFile( uno::Reference<lang::XComponent>(xDrawPage, uno::UNO_QUERY),
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xDrawPage, *pMtf, MTF_LOAD_BACKGROUND_ONLY,
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rContext.mxComponentContext ) &&
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!getMetaFile( uno::Reference<lang::XComponent>(xMasterPage, uno::UNO_QUERY),
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xDrawPage, *pMtf, MTF_LOAD_BACKGROUND_ONLY,
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rContext.mxComponentContext ))
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{
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throw ShapeLoadFailedException();
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}
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// there is a special background shape, add it
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// as the first one
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sal_Int32 nDocWidth=0;
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sal_Int32 nDocHeight=0;
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xPropSet->getPropertyValue("Width") >>= nDocWidth;
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xPropSet->getPropertyValue("Height") >>= nDocHeight;
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mpMtf = pMtf;
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maBounds = ::basegfx::B2DRectangle( 0,0,nDocWidth, nDocHeight );
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}
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uno::Reference< drawing::XShape > BackgroundShape::getXShape() const
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{
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// no real XShape representative
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return uno::Reference< drawing::XShape >();
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}
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void BackgroundShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
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bool bRedrawLayer )
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{
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ViewBackgroundShapeVector::iterator aEnd( maViewShapes.end() );
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// already added?
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if( ::std::find_if( maViewShapes.begin(),
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aEnd,
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::boost::bind<bool>(
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::std::equal_to< ViewLayerSharedPtr >(),
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::boost::bind( &ViewBackgroundShape::getViewLayer,
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_1 ),
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::boost::cref( rNewLayer ) ) ) != aEnd )
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{
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// yes, nothing to do
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return;
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}
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maViewShapes.push_back(
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ViewBackgroundShapeSharedPtr(
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new ViewBackgroundShape( rNewLayer,
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maBounds ) ) );
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// render the Shape on the newly added ViewLayer
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if( bRedrawLayer )
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maViewShapes.back()->render( mpMtf );
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}
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bool BackgroundShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
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{
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const ViewBackgroundShapeVector::iterator aEnd( maViewShapes.end() );
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OSL_ENSURE( ::std::count_if(maViewShapes.begin(),
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aEnd,
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::boost::bind<bool>(
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::std::equal_to< ViewLayerSharedPtr >(),
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::boost::bind( &ViewBackgroundShape::getViewLayer,
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_1 ),
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::boost::cref( rLayer ) ) ) < 2,
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"BackgroundShape::removeViewLayer(): Duplicate ViewLayer entries!" );
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ViewBackgroundShapeVector::iterator aIter;
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if( (aIter=::std::remove_if( maViewShapes.begin(),
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aEnd,
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::boost::bind<bool>(
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::std::equal_to< ViewLayerSharedPtr >(),
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::boost::bind( &ViewBackgroundShape::getViewLayer,
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_1 ),
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::boost::cref( rLayer ) ) )) == aEnd )
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{
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// view layer seemingly was not added, failed
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return false;
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}
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// actually erase from container
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maViewShapes.erase( aIter, aEnd );
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return true;
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}
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bool BackgroundShape::clearAllViewLayers()
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{
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maViewShapes.clear();
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return true;
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}
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::basegfx::B2DRectangle BackgroundShape::getBounds() const
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{
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return maBounds;
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}
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::basegfx::B2DRectangle BackgroundShape::getDomBounds() const
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{
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return maBounds;
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}
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::basegfx::B2DRectangle BackgroundShape::getUpdateArea() const
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{
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// TODO(F1): Need to expand background, too, when
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// antialiasing?
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// no transformation etc. possible for background shape
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return maBounds;
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}
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bool BackgroundShape::isVisible() const
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{
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return true;
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}
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double BackgroundShape::getPriority() const
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{
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return 0.0; // lowest prio, we're the background
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}
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bool BackgroundShape::update() const
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{
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return render();
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}
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bool BackgroundShape::render() const
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{
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SAL_INFO( "slideshow", "::presentation::internal::BackgroundShape::render()" );
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SAL_INFO( "slideshow", "::presentation::internal::BackgroundShape: 0x" << std::hex << this );
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// gcc again...
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const ::basegfx::B2DRectangle& rCurrBounds( BackgroundShape::getBounds() );
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if( rCurrBounds.getRange().equalZero() )
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{
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// zero-sized shapes are effectively invisible,
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// thus, we save us the rendering...
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return true;
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}
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// redraw all view shapes, by calling their render() method
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if( ::std::count_if( maViewShapes.begin(),
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maViewShapes.end(),
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::boost::bind( &ViewBackgroundShape::render,
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_1,
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::boost::cref( mpMtf ) ) )
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!= static_cast<ViewBackgroundShapeVector::difference_type>(maViewShapes.size()) )
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{
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// at least one of the ViewBackgroundShape::render() calls did return
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// false - update failed on at least one ViewLayer
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return false;
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}
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return true;
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}
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bool BackgroundShape::isContentChanged() const
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{
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return false;
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}
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bool BackgroundShape::isBackgroundDetached() const
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{
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return false; // we're not animatable
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}
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ShapeSharedPtr createBackgroundShape(
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const uno::Reference< drawing::XDrawPage >& xDrawPage,
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const uno::Reference< drawing::XDrawPage >& xMasterPage,
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const SlideShowContext& rContext )
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{
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return ShapeSharedPtr(
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new BackgroundShape(
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xDrawPage,
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xMasterPage,
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rContext ));
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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