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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: contourextractor2d.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: aw $ $Date: 2008-03-05 09:15:45 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_CONTOUREXTRACTOR2D_HXX
#include <drawinglayer/processor2d/contourextractor2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVETYPES2D_HXX
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_BITMAPPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#endif
#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
#include <basegfx/polygon/b2dpolygontools.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ALPHAPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_SCENEPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/sceneprimitive2d.hxx>
#endif
//////////////////////////////////////////////////////////////////////////////
using namespace com::sun::star;
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace processor2d
{
ContourExtractor2D::ContourExtractor2D(const geometry::ViewInformation2D& rViewInformation)
: BaseProcessor2D(rViewInformation),
maExtractedContour()
{
}
ContourExtractor2D::~ContourExtractor2D()
{
}
void ContourExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
switch(rCandidate.getPrimitiveID())
{
case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
{
// extract hairline
const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
aLocalPolygon.transform(maCurrentTransformation);
if(aLocalPolygon.isClosed())
{
// line polygons need to be represented as open polygons to differentiate them
// from filled polygons
basegfx::tools::openWithGeometryChange(aLocalPolygon);
}
maExtractedContour.push_back(basegfx::B2DPolyPolygon(aLocalPolygon));
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
{
// extract fill
const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
aLocalPolyPolygon.transform(maCurrentTransformation);
maExtractedContour.push_back(aLocalPolyPolygon);
break;
}
case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
{
// extract BoundRect from bitmaps
const primitive2d::BitmapPrimitive2D& rBitmapCandidate(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rBitmapCandidate.getTransform());
basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)));
aPolygon.transform(aLocalTransform);
maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
break;
}
case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
{
// extract BoundRect from MetaFiles
const primitive2d::MetafilePrimitive2D& rMetaCandidate(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rMetaCandidate.getTransform());
basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)));
aPolygon.transform(aLocalTransform);
maExtractedContour.push_back(basegfx::B2DPolyPolygon(aPolygon));
break;
}
case PRIMITIVE2D_ID_ALPHAPRIMITIVE2D :
{
// sub-transparence group. Look at children
const primitive2d::AlphaPrimitive2D& rTransCandidate(static_cast< const primitive2d::AlphaPrimitive2D& >(rCandidate));
process(rTransCandidate.getChildren());
break;
}
case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
{
// extract mask, ignore content
const primitive2d::MaskPrimitive2D& rMaskCandidate(static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate));
basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());
aMask.transform(maCurrentTransformation);
maExtractedContour.push_back(basegfx::B2DPolyPolygon(aMask));
break;
}
case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
{
// remember current transformation and ViewInformation
const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
const basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);
const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
// create new transformations for CurrentTransformation and for local ViewInformation2D
maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();
maViewInformation2D = geometry::ViewInformation2D(
getViewInformation2D().getViewTransformation() * rTransformCandidate.getTransformation(),
getViewInformation2D().getViewport(),
getViewInformation2D().getVisualizedPage(),
getViewInformation2D().getViewTime(),
getViewInformation2D().getExtendedInformationSequence());
// proccess content
process(rTransformCandidate.getChildren());
// restore transformations
maCurrentTransformation = aLastCurrentTransformation;
maViewInformation2D = aLastViewInformation2D;
break;
}
case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
{
// 2D Scene primitive containing 3D stuff; extract 2D contour
const primitive2d::ScenePrimitive2D& rScenePrimitive2DCandidate(static_cast< const primitive2d::ScenePrimitive2D& >(rCandidate));
const primitive2d::Primitive2DSequence xExtracted2DSceneGeometry(rScenePrimitive2DCandidate.getGeometry2D(getViewInformation2D()));
// proccess content
if(xExtracted2DSceneGeometry.hasElements())
{
process(xExtracted2DSceneGeometry);
}
break;
}
case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
{
// ignorable primitives
break;
}
case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
{
// primitives who's BoundRect will be added
basegfx::B2DRange aRange(rCandidate.getB2DRange(getViewInformation2D()));
aRange.transform(maCurrentTransformation);
maExtractedContour.push_back(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(aRange)));
break;
}
default :
{
// process recursively
process(rCandidate.get2DDecomposition(getViewInformation2D()));
break;
}
}
}
void ContourExtractor2D::process(const primitive2d::Primitive2DSequence& rSource)
{
if(rSource.hasElements())
{
const sal_Int32 nCount(rSource.getLength());
for(sal_Int32 a(0L); a < nCount; a++)
{
// get reference
const primitive2d::Primitive2DReference xReference(rSource[a]);
if(xReference.is())
{
// try to cast to BasePrimitive2D implementation
const primitive2d::BasePrimitive2D* pBasePrimitive = dynamic_cast< const primitive2d::BasePrimitive2D* >(xReference.get());
if(pBasePrimitive)
{
// it is a BasePrimitive2D implementation, use local processor
processBasePrimitive2D(*pBasePrimitive);
}
else
{
// unknown implementation, use UNO API call instead and process recursively
const uno::Sequence< beans::PropertyValue >& rViewParameters(getViewInformation2D().getViewInformationSequence());
process(xReference->getDecomposition(rViewParameters));
}
}
}
}
}
} // end of namespace processor2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
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