libreoffice/cppcanvas/source/mtfrenderer/pointaction.cxx

/*************************************************************************
 *
 *  $RCSfile: pointaction.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: rt $ $Date: 2005-03-30 08:31:08 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
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 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#include <pointaction.hxx>
#include <outdevstate.hxx>
#include <cppcanvas/canvas.hxx>

#ifndef _RTL_LOGFILE_HXX_
#include <rtl/logfile.hxx>
#endif
#ifndef _COM_SUN_STAR_RENDERING_XCANVAS_HPP_
#include <com/sun/star/rendering/XCanvas.hpp>
#endif

#ifndef _SV_GEN_HXX
#include <tools/gen.hxx>
#endif
#ifndef _VCL_CANVASTOOLS_HXX
#include <vcl/canvastools.hxx>
#endif

#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
#include <basegfx/tools/canvastools.hxx>
#endif
#ifndef _CANVAS_CANVASTOOLS_HXX
#include <canvas/canvastools.hxx>
#endif

#include <boost/utility.hpp>

#include <mtftools.hxx>


using namespace ::com::sun::star;

namespace cppcanvas
{
    namespace internal
    {
        namespace
        {
            class PointAction : public Action, private ::boost::noncopyable
            {
            public:
                PointAction( const ::Point&,
                             const CanvasSharedPtr&,
                             const OutDevState& );
                PointAction( const ::Point&,
                             const CanvasSharedPtr&,
                             const OutDevState&,
                             const ::Color&     );

                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation,
                                     const Subset&                  rSubset ) const;

                virtual sal_Int32 getActionCount() const;

            private:
                // default: disabled copy/assignment
                PointAction(const PointAction&);
                PointAction& operator = ( const PointAction& );

                ::Point                                     maPoint;
                CanvasSharedPtr                             mpCanvas;
                ::com::sun::star::rendering::RenderState    maState;
            };

            PointAction::PointAction( const ::Point&            rPoint,
                                      const CanvasSharedPtr&    rCanvas,
                                      const OutDevState&        rState ) :
                maPoint( rPoint ),
                mpCanvas( rCanvas ),
                maState()
            {
                tools::initRenderState(maState,rState);
                maState.DeviceColor = rState.lineColor;
            }

            PointAction::PointAction( const ::Point&            rPoint,
                                      const CanvasSharedPtr&    rCanvas,
                                      const OutDevState&        rState,
                                      const ::Color&            rAltColor ) :
                maPoint( rPoint ),
                mpCanvas( rCanvas ),
                maState()
            {
                tools::initRenderState(maState,rState);
                maState.DeviceColor = ::vcl::unotools::colorToDoubleSequence( rCanvas->getUNOCanvas()->getDevice(),
                                                                              rAltColor );
            }

            bool PointAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
            {
                RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PointAction::render()" );
                RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PointAction: 0x%X", this );

                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

                mpCanvas->getUNOCanvas()->drawPoint( ::vcl::unotools::point2DFromPoint(maPoint),
                                                     mpCanvas->getViewState(),
                                                     aLocalState );

                return true;
            }

            bool PointAction::render( const ::basegfx::B2DHomMatrix&    rTransformation,
                                      const Subset&                     rSubset ) const
            {
                // point only contains a single action, fail if subset
                // requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return false;

                return render( rTransformation );
            }

            sal_Int32 PointAction::getActionCount() const
            {
                return 1;
            }
        }

        ActionSharedPtr PointActionFactory::createPointAction( const ::Point&           rPoint,
                                                               const CanvasSharedPtr&   rCanvas,
                                                               const OutDevState&       rState )
        {
            return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState ) );
        }

        ActionSharedPtr PointActionFactory::createPointAction( const ::Point&           rPoint,
                                                               const CanvasSharedPtr&   rCanvas,
                                                               const OutDevState&       rState,
                                                               const ::Color&           rColor  )
        {
            return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState, rColor ) );
        }
    }
}