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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "lineaction.hxx"
#include <outdevstate.hxx>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <canvas/canvastools.hxx>
#include <sal/log.hxx>
#include <cppcanvas/canvas.hxx>
#include "mtftools.hxx"
using namespace ::com::sun::star;
namespace cppcanvas
{
namespace internal
{
namespace
{
class LineAction : public Action
{
public:
LineAction( const ::basegfx::B2DPoint&,
const ::basegfx::B2DPoint&,
const CanvasSharedPtr&,
const OutDevState& );
LineAction(const LineAction&) = delete;
const LineAction& operator=(const LineAction&) = delete;
virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const override;
virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const override;
virtual sal_Int32 getActionCount() const override;
private:
::basegfx::B2DPoint maStartPoint;
::basegfx::B2DPoint maEndPoint;
CanvasSharedPtr mpCanvas;
rendering::RenderState maState;
};
LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint,
const ::basegfx::B2DPoint& rEndPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState ) :
maStartPoint( rStartPoint ),
maEndPoint( rEndPoint ),
mpCanvas( rCanvas ),
maState()
{
tools::initRenderState(maState,rState);
maState.DeviceColor = rState.lineColor;
}
bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
{
SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction::render()" );
SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction: 0x" << std::hex << this );
rendering::RenderState aLocalState( maState );
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint),
::basegfx::unotools::point2DFromB2DPoint(maEndPoint),
mpCanvas->getViewState(),
aLocalState );
return true;
}
bool LineAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const
{
// line only contains a single action, fail if subset
// requests different range
if( rSubset.mnSubsetBegin != 0 ||
rSubset.mnSubsetEnd != 1 )
return false;
return render( rTransformation );
}
::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
{
rendering::RenderState aLocalState( maState );
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint,
maEndPoint ),
mpCanvas->getViewState(),
aLocalState );
}
::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const
{
// line only contains a single action, empty bounds
// if subset requests different range
if( rSubset.mnSubsetBegin != 0 ||
rSubset.mnSubsetEnd != 1 )
return ::basegfx::B2DRange();
return getBounds( rTransformation );
}
sal_Int32 LineAction::getActionCount() const
{
return 1;
}
}
std::shared_ptr<Action> LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint,
const ::basegfx::B2DPoint& rEndPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState )
{
return std::shared_ptr<Action>( new LineAction( rStartPoint,
rEndPoint,
rCanvas,
rState) );
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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