office-gobmx/cppcanvas/source/mtfrenderer/pointaction.cxx
2011-11-27 13:02:39 -06:00

188 lines
8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <rtl/logfile.hxx>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <tools/gen.hxx>
#include <vcl/canvastools.hxx>
#include <basegfx/range/b2drange.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/tools/canvastools.hxx>
#include <canvas/canvastools.hxx>
#include <boost/utility.hpp>
#include "pointaction.hxx"
#include "outdevstate.hxx"
#include "cppcanvas/canvas.hxx"
#include "mtftools.hxx"
using namespace ::com::sun::star;
namespace cppcanvas
{
namespace internal
{
namespace
{
class PointAction : public Action, private ::boost::noncopyable
{
public:
PointAction( const ::basegfx::B2DPoint&,
const CanvasSharedPtr&,
const OutDevState& );
PointAction( const ::basegfx::B2DPoint&,
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 ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
virtual ::basegfx::B2DRange getBounds( 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& );
::basegfx::B2DPoint maPoint;
CanvasSharedPtr mpCanvas;
::com::sun::star::rendering::RenderState maState;
};
PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState ) :
maPoint( rPoint ),
mpCanvas( rCanvas ),
maState()
{
tools::initRenderState(maState,rState);
maState.DeviceColor = rState.lineColor;
}
PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState,
const ::Color& rAltColor ) :
maPoint( rPoint ),
mpCanvas( rCanvas ),
maState()
{
tools::initRenderState(maState,rState);
maState.DeviceColor = ::vcl::unotools::colorToDoubleSequence(
rAltColor,
rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
}
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( ::basegfx::unotools::point2DFromB2DPoint(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 );
}
::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
{
rendering::RenderState aLocalState( maState );
::canvas::tools::prependToRenderState(aLocalState, rTransformation);
return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maPoint.getX()-1,
maPoint.getY()-1,
maPoint.getX()+1,
maPoint.getY()+1 ),
mpCanvas->getViewState(),
aLocalState );
}
::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
const Subset& rSubset ) const
{
// point 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 PointAction::getActionCount() const
{
return 1;
}
}
ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState )
{
return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState ) );
}
ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
const CanvasSharedPtr& rCanvas,
const OutDevState& rState,
const ::Color& rColor )
{
return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState, rColor ) );
}
}
}
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