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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 "overlayrangesoutline.hxx"
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>
namespace
{
// combine ranges geometrically to a single, ORed polygon
basegfx::B2DPolyPolygon impCombineRangesToPolyPolygon(const std::vector< basegfx::B2DRange >& rRanges)
{
const sal_uInt32 nCount(rRanges.size());
basegfx::B2DPolyPolygon aRetval;
for(sal_uInt32 a(0); a < nCount; a++)
{
const basegfx::B2DPolygon aDiscretePolygon(basegfx::utils::createPolygonFromRect(rRanges[a]));
if(0 == a)
{
aRetval.append(aDiscretePolygon);
}
else
{
aRetval = basegfx::utils::solvePolygonOperationOr(aRetval, basegfx::B2DPolyPolygon(aDiscretePolygon));
}
}
return aRetval;
}
}
namespace sw::overlay
{
drawinglayer::primitive2d::Primitive2DContainer OverlayRangesOutline::createOverlayObjectPrimitive2DSequence()
{
drawinglayer::primitive2d::Primitive2DContainer aRetval;
const sal_uInt32 nCount(getRanges().size());
if( nCount )
{
const basegfx::BColor aRGBColor(getBaseColor().getBColor());
const basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
const drawinglayer::primitive2d::Primitive2DReference aOutline(
new drawinglayer::primitive2d::PolyPolygonHairlinePrimitive2D(
aPolyPolygon,
aRGBColor));
aRetval.resize(1);
aRetval[0] = aOutline;
}
return aRetval;
}
OverlayRangesOutline::OverlayRangesOutline(
const Color& rColor,
const std::vector< basegfx::B2DRange >& rRanges )
: sdr::overlay::OverlayObject(rColor)
, maRanges(rRanges)
{
// no AA for highlight overlays
allowAntiAliase(false);
}
OverlayRangesOutline::~OverlayRangesOutline()
{
if( getOverlayManager() )
{
getOverlayManager()->remove(*this);
}
}
void OverlayRangesOutline::setRanges(const std::vector< basegfx::B2DRange >& rNew)
{
if(rNew != maRanges)
{
maRanges = rNew;
objectChange();
}
}
} // end of namespace sw::overlay
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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