104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "overlayrangesoutline.hxx"
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#include <svx/sdr/overlay/overlaymanager.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>
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namespace
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{
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// combine ranges geometrically to a single, ORed polygon
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basegfx::B2DPolyPolygon impCombineRangesToPolyPolygon(const std::vector< basegfx::B2DRange >& rRanges)
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{
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const sal_uInt32 nCount(rRanges.size());
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basegfx::B2DPolyPolygon aRetval;
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for(sal_uInt32 a(0); a < nCount; a++)
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{
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const basegfx::B2DPolygon aDiscretePolygon(basegfx::utils::createPolygonFromRect(rRanges[a]));
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if(0 == a)
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{
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aRetval.append(aDiscretePolygon);
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}
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else
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{
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aRetval = basegfx::utils::solvePolygonOperationOr(aRetval, basegfx::B2DPolyPolygon(aDiscretePolygon));
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}
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}
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return aRetval;
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}
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}
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namespace sw::overlay
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{
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drawinglayer::primitive2d::Primitive2DContainer OverlayRangesOutline::createOverlayObjectPrimitive2DSequence()
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{
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drawinglayer::primitive2d::Primitive2DContainer aRetval;
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const sal_uInt32 nCount(getRanges().size());
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if( nCount )
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{
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const basegfx::BColor aRGBColor(getBaseColor().getBColor());
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basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
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const drawinglayer::primitive2d::Primitive2DReference aOutline(
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new drawinglayer::primitive2d::PolyPolygonHairlinePrimitive2D(
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std::move(aPolyPolygon),
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aRGBColor));
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aRetval.resize(1);
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aRetval[0] = aOutline;
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}
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return aRetval;
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}
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OverlayRangesOutline::OverlayRangesOutline(
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const Color& rColor,
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std::vector< basegfx::B2DRange >&& rRanges )
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: sdr::overlay::OverlayObject(rColor)
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, maRanges(std::move(rRanges))
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{
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// no AA for highlight overlays
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allowAntiAliase(false);
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}
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OverlayRangesOutline::~OverlayRangesOutline()
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{
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if( getOverlayManager() )
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{
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getOverlayManager()->remove(*this);
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}
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}
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void OverlayRangesOutline::setRanges(std::vector< basegfx::B2DRange >&& rNew)
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{
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if(rNew != maRanges)
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{
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maRanges = std::move(rNew);
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objectChange();
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}
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}
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} // end of namespace sw::overlay
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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