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Diffstat (limited to '')
| -rw-r--r-- | sw/source/uibase/docvw/OverlayRanges.cxx | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/sw/source/uibase/docvw/OverlayRanges.cxx b/sw/source/uibase/docvw/OverlayRanges.cxx new file mode 100644 index 000000000..e00aaa30c --- /dev/null +++ b/sw/source/uibase/docvw/OverlayRanges.cxx @@ -0,0 +1,178 @@ +/* -*- 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 "OverlayRanges.hxx" +#include <view.hxx> +#include <svx/sdrpaintwindow.hxx> +#include <svx/svdview.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/PolyPolygonColorPrimitive2D.hxx> +#include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx> +#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.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 OverlayRanges::createOverlayObjectPrimitive2DSequence() + { + const sal_uInt32 nCount(getRanges().size()); + drawinglayer::primitive2d::Primitive2DContainer aRetval; + aRetval.resize(nCount); + for ( sal_uInt32 a = 0; a < nCount; ++a ) + { + const basegfx::BColor aRGBColor(getBaseColor().getBColor()); + const basegfx::B2DPolygon aPolygon(basegfx::utils::createPolygonFromRect(maRanges[a])); + aRetval[a] = drawinglayer::primitive2d::Primitive2DReference( + new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D( + basegfx::B2DPolyPolygon(aPolygon), + aRGBColor)); + } + // embed all rectangles in transparent paint + const SvtOptionsDrawinglayer aSvtOptionsDrawinglayer; + const sal_uInt16 nTransparence( aSvtOptionsDrawinglayer.GetTransparentSelectionPercent() ); + const double fTransparence( nTransparence / 100.0 ); + const drawinglayer::primitive2d::Primitive2DReference aUnifiedTransparence( + new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D( + aRetval, + fTransparence)); + + if ( mbShowSolidBorder ) + { + 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(2); + aRetval[0] = aUnifiedTransparence; + aRetval[1] = aOutline; + } + else + { + aRetval = drawinglayer::primitive2d::Primitive2DContainer { aUnifiedTransparence }; + } + + return aRetval; + } + + /*static*/ std::unique_ptr<OverlayRanges> OverlayRanges::CreateOverlayRange( + SwView const & rDocView, + const Color& rColor, + const std::vector< basegfx::B2DRange >& rRanges, + const bool bShowSolidBorder ) + { + std::unique_ptr<OverlayRanges> pOverlayRanges; + + SdrView* pView = rDocView.GetDrawView(); + if ( pView != nullptr ) + { + SdrPaintWindow* pCandidate = pView->GetPaintWindow(0); + const rtl::Reference<sdr::overlay::OverlayManager>& xTargetOverlay = pCandidate->GetOverlayManager(); + + if ( xTargetOverlay.is() ) + { + pOverlayRanges.reset(new sw::overlay::OverlayRanges( rColor, rRanges, bShowSolidBorder )); + xTargetOverlay->add( *pOverlayRanges ); + } + } + + return pOverlayRanges; + } + + OverlayRanges::OverlayRanges( + const Color& rColor, + const std::vector< basegfx::B2DRange >& rRanges, + const bool bShowSolidBorder ) + : sdr::overlay::OverlayObject( rColor ) + , maRanges( rRanges ) + , mbShowSolidBorder( bShowSolidBorder ) + { + // no AA for highlight overlays + allowAntiAliase(false); + } + + OverlayRanges::~OverlayRanges() + { + if( getOverlayManager() ) + { + getOverlayManager()->remove(*this); + } + } + + void OverlayRanges::setRanges(const std::vector< basegfx::B2DRange >& rNew) + { + if(rNew != maRanges) + { + maRanges = rNew; + objectChange(); + } + } + + void OverlayRanges::ShowSolidBorder() + { + if ( !mbShowSolidBorder ) + { + mbShowSolidBorder = true; + objectChange(); + } + } + + void OverlayRanges::HideSolidBorder() + { + if ( mbShowSolidBorder ) + { + mbShowSolidBorder = false; + objectChange(); + } + } + +} // end of namespace sw::overlay + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |