295dcf667c
2006/12/21 17:20:53 thb 1.9.14.1: #121806# Now keeping full precision of the mtf logic coordinates across mtf->XCanvas conversion
176 lines
7.0 KiB
C++
176 lines
7.0 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: lineaction.cxx,v $
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*
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* $Revision: 1.10 $
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*
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* last change: $Author: obo $ $Date: 2007-01-22 11:49:54 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_cppcanvas.hxx"
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#include <lineaction.hxx>
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#include <outdevstate.hxx>
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#include <rtl/logfile.hxx>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <tools/gen.hxx>
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#include <vcl/canvastools.hxx>
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#include <basegfx/range/b2drange.hxx>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <canvas/canvastools.hxx>
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#include <boost/utility.hpp>
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#include <cppcanvas/canvas.hxx>
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#include <mtftools.hxx>
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using namespace ::com::sun::star;
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namespace cppcanvas
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{
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namespace internal
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{
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namespace
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{
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class LineAction : public Action, private ::boost::noncopyable
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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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const CanvasSharedPtr&,
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const OutDevState& );
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const;
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
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virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
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const Subset& rSubset ) const;
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virtual sal_Int32 getActionCount() const;
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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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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState ) :
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maStartPoint( rStartPoint ),
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maEndPoint( rEndPoint ),
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mpCanvas( rCanvas ),
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maState()
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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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RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::LineAction::render()" );
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RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::LineAction: 0x%X", 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::render( 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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ActionSharedPtr 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 ActionSharedPtr( new 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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}
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