sw/source/uibase/docvw/OverlayRanges.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "OverlayRanges.hxx"
  21 #include <view.hxx>
  22 #include <svx/sdrpaintwindow.hxx>
  23 #include <svx/svdview.hxx>
  24 #include <svx/sdr/overlay/overlaymanager.hxx>
  25 #include <basegfx/polygon/b2dpolygon.hxx>
  26 #include <basegfx/polygon/b2dpolypolygon.hxx>
  27 #include <basegfx/polygon/b2dpolygontools.hxx>
  28 #include <basegfx/polygon/b2dpolypolygoncutter.hxx>
  29 #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
  30 #include <drawinglayer/primitive2d/PolyPolygonHairlinePrimitive2D.hxx>
  31 #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
  32 #include <svtools/optionsdrawinglayer.hxx>
  33
  34 namespace
  35 {
  36     // combine ranges geometrically to a single, ORed polygon
  37     basegfx::B2DPolyPolygon impCombineRangesToPolyPolygon(const std::vector< basegfx::B2DRange >& rRanges)
  38     {
  39         const sal_uInt32 nCount(rRanges.size());
  40         basegfx::B2DPolyPolygon aRetval;
  41
  42         for(sal_uInt32 a(0); a < nCount; a++)
  43         {
  44             const basegfx::B2DPolygon aDiscretePolygon(basegfx::utils::createPolygonFromRect(rRanges[a]));
  45
  46             if(0 == a)
  47             {
  48                 aRetval.append(aDiscretePolygon);
  49             }
  50             else
  51             {
  52                 aRetval = basegfx::utils::solvePolygonOperationOr(aRetval, basegfx::B2DPolyPolygon(aDiscretePolygon));
  53             }
  54         }
  55
  56         return aRetval;
  57     }
  58 }
  59
  60 namespace sw::overlay
  61 {
  62         drawinglayer::primitive2d::Primitive2DContainer OverlayRanges::createOverlayObjectPrimitive2DSequence()
  63         {
  64             const sal_uInt32 nCount(getRanges().size());
  65             drawinglayer::primitive2d::Primitive2DContainer aRetval;
  66             aRetval.resize(nCount);
  67             for ( sal_uInt32 a = 0; a < nCount; ++a )
  68             {
  69                 const basegfx::BColor aRGBColor(getBaseColor().getBColor());
  70                 const basegfx::B2DPolygon aPolygon(basegfx::utils::createPolygonFromRect(maRanges[a]));
  71                 aRetval[a] = drawinglayer::primitive2d::Primitive2DReference(
  72                     new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(
  73                     basegfx::B2DPolyPolygon(aPolygon),
  74                     aRGBColor));
  75             }
  76             // embed all rectangles in transparent paint
  77             const sal_uInt16 nTransparence( SvtOptionsDrawinglayer::GetTransparentSelectionPercent() );
  78             const double fTransparence( nTransparence / 100.0 );
  79             const drawinglayer::primitive2d::Primitive2DReference aUnifiedTransparence(
  80                 new drawinglayer::primitive2d::UnifiedTransparencePrimitive2D(
  81                 std::move(aRetval),
  82                 fTransparence));
  83
  84             if ( mbShowSolidBorder )
  85             {
  86                 const basegfx::BColor aRGBColor(getBaseColor().getBColor());
  87                 basegfx::B2DPolyPolygon aPolyPolygon(impCombineRangesToPolyPolygon(getRanges()));
  88                 const drawinglayer::primitive2d::Primitive2DReference aOutline(
  89                     new drawinglayer::primitive2d::PolyPolygonHairlinePrimitive2D(
  90                     std::move(aPolyPolygon),
  91                     aRGBColor));
  92
  93                 aRetval = drawinglayer::primitive2d::Primitive2DContainer { aUnifiedTransparence, aOutline };
  94             }
  95             else
  96             {
  97                 aRetval = drawinglayer::primitive2d::Primitive2DContainer { aUnifiedTransparence };
  98             }
  99
 100             return aRetval;
 101         }
 102
 103         /*static*/ std::unique_ptr<OverlayRanges> OverlayRanges::CreateOverlayRange(
 104             SwView const & rDocView,
 105             const Color& rColor,
 106             std::vector< basegfx::B2DRange >&& rRanges,
 107             const bool bShowSolidBorder )
 108         {
 109             std::unique_ptr<OverlayRanges> pOverlayRanges;
 110
 111             SdrView* pView = rDocView.GetDrawView();
 112             if ( pView != nullptr )
 113             {
 114                 SdrPaintWindow* pCandidate = pView->GetPaintWindow(0);
 115                 const rtl::Reference<sdr::overlay::OverlayManager>& xTargetOverlay = pCandidate->GetOverlayManager();
 116
 117                 if ( xTargetOverlay.is() )
 118                 {
 119                     pOverlayRanges.reset(new sw::overlay::OverlayRanges( rColor, std::move(rRanges), bShowSolidBorder ));
 120                     xTargetOverlay->add( *pOverlayRanges );
 121                 }
 122             }
 123
 124             return pOverlayRanges;
 125         }
 126
 127         OverlayRanges::OverlayRanges(
 128             const Color& rColor,
 129             std::vector< basegfx::B2DRange >&& rRanges,
 130             const bool bShowSolidBorder )
 131             : sdr::overlay::OverlayObject( rColor )
 132             , maRanges( std::move(rRanges) )
 133             , mbShowSolidBorder( bShowSolidBorder )
 134         {
 135             // no AA for highlight overlays
 136             allowAntiAliase(false);
 137         }
 138
 139         OverlayRanges::~OverlayRanges()
 140         {
 141             if( getOverlayManager() )
 142             {
 143                 getOverlayManager()->remove(*this);
 144             }
 145         }
 146
 147         void OverlayRanges::setRanges(std::vector< basegfx::B2DRange >&& rNew)
 148         {
 149             if(rNew != maRanges)
 150             {
 151                 maRanges = std::move(rNew);
 152                 objectChange();
 153             }
 154         }
 155
 156         void OverlayRanges::ShowSolidBorder()
 157         {
 158             if ( !mbShowSolidBorder )
 159             {
 160                 mbShowSolidBorder = true;
 161                 objectChange();
 162             }
 163         }
 164
 165         void OverlayRanges::HideSolidBorder()
 166         {
 167             if ( mbShowSolidBorder )
 168             {
 169                 mbShowSolidBorder = false;
 170                 objectChange();
 171             }
 172         }
 173
 174 } // end of namespace sw::overlay
 175
 176 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */