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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 <drawinglayer/processor2d/linegeometryextractor2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
using namespace com::sun::star;
namespace drawinglayer::processor2d
{
LineGeometryExtractor2D::LineGeometryExtractor2D(const geometry::ViewInformation2D& rViewInformation)
: BaseProcessor2D(rViewInformation),
maExtractedHairlines(),
maExtractedLineFills(),
mbInLineGeometry(false)
{
}
LineGeometryExtractor2D::~LineGeometryExtractor2D()
{
}
void LineGeometryExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
{
switch(rCandidate.getPrimitive2DID())
{
case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
{
// enter a line geometry group (with or without LineEnds)
bool bOldState(mbInLineGeometry);
mbInLineGeometry = true;
process(rCandidate);
mbInLineGeometry = bOldState;
break;
}
case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
{
if(mbInLineGeometry)
{
// extract hairline line geometry in world coordinates
const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
maExtractedHairlines.push_back(aLocalPolygon);
}
break;
}
case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
{
if(mbInLineGeometry)
{
// extract filled line geometry (line with width)
const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
maExtractedLineFills.push_back(aLocalPolyPolygon);
}
break;
}
case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
{
// remember current transformation and ViewInformation
const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
// create new transformations for CurrentTransformation and for local ViewInformation2D
const geometry::ViewInformation2D aViewInformation2D(
getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
getViewInformation2D().getViewTransformation(),
getViewInformation2D().getViewport(),
getViewInformation2D().getVisualizedPage(),
getViewInformation2D().getViewTime(),
getViewInformation2D().getExtendedInformationSequence());
updateViewInformation(aViewInformation2D);
// process content
process(rTransformCandidate.getChildren());
// restore transformations
updateViewInformation(aLastViewInformation2D);
break;
}
case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
{
// ignorable primitives
break;
}
default :
{
// process recursively
process(rCandidate);
break;
}
}
}
} // end of namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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