154 lines
6.5 KiB
C++
154 lines
6.5 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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#include "lineaction.hxx"
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#include <outdevstate.hxx>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/utils/canvastools.hxx>
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#include <canvas/canvastools.hxx>
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#include <sal/log.hxx>
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#include <cppcanvas/canvas.hxx>
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#include <utility>
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#include "mtftools.hxx"
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using namespace ::com::sun::star;
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namespace cppcanvas::internal
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{
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namespace
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{
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class LineAction : public Action
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{
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public:
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LineAction( const ::basegfx::B2DPoint&,
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const ::basegfx::B2DPoint&,
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CanvasSharedPtr,
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const OutDevState& );
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LineAction(const LineAction&) = delete;
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const LineAction& operator=(const LineAction&) = delete;
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
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virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const override;
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const override;
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virtual sal_Int32 getActionCount() const override;
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private:
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::basegfx::B2DPoint maStartPoint;
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::basegfx::B2DPoint maEndPoint;
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CanvasSharedPtr mpCanvas;
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rendering::RenderState maState;
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};
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LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint,
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const ::basegfx::B2DPoint& rEndPoint,
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CanvasSharedPtr xCanvas,
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const OutDevState& rState ) :
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maStartPoint( rStartPoint ),
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maEndPoint( rEndPoint ),
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mpCanvas(std::move( xCanvas ))
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{
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tools::initRenderState(maState,rState);
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maState.DeviceColor = rState.lineColor;
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}
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bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
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{
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SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction::render()" );
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SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction: 0x" << std::hex << this );
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rendering::RenderState aLocalState( maState );
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::canvas::tools::prependToRenderState(aLocalState, rTransformation);
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mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint),
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::basegfx::unotools::point2DFromB2DPoint(maEndPoint),
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mpCanvas->getViewState(),
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aLocalState );
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return true;
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}
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bool LineAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const
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{
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// line only contains a single action, fail if subset
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// requests different range
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if( rSubset.mnSubsetBegin != 0 ||
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rSubset.mnSubsetEnd != 1 )
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return false;
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return render( rTransformation );
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}
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::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
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{
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rendering::RenderState aLocalState( maState );
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::canvas::tools::prependToRenderState(aLocalState, rTransformation);
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return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint,
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maEndPoint ),
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mpCanvas->getViewState(),
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aLocalState );
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}
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::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const
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{
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// line only contains a single action, empty bounds
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// if subset requests different range
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if( rSubset.mnSubsetBegin != 0 ||
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rSubset.mnSubsetEnd != 1 )
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return ::basegfx::B2DRange();
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return getBounds( rTransformation );
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}
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sal_Int32 LineAction::getActionCount() const
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{
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return 1;
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}
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}
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std::shared_ptr<Action> LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint,
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const ::basegfx::B2DPoint& rEndPoint,
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState )
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{
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return std::make_shared<LineAction>( rStartPoint,
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rEndPoint,
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rCanvas,
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rState);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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