Line data    Source code

       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             : 
      10             : #include <DashedLine.hxx>
      11             : 
      12             : #include <basegfx/color/bcolortools.hxx>
      13             : #include <basegfx/polygon/b2dpolygon.hxx>
      14             : #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
      15             : #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
      16             : #include <drawinglayer/processor2d/baseprocessor2d.hxx>
      17             : #include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
      18             : #include <vcl/svapp.hxx>
      19             : #include <vcl/settings.hxx>
      20             : #include <boost/scoped_ptr.hpp>
      21             : 
      22         428 : SwDashedLine::SwDashedLine( vcl::Window* pParent, Color& ( *pColorFn )() ) :
      23             :     FixedLine( pParent, WB_DIALOGCONTROL | WB_HORZ ),
      24         428 :     m_pColorFn( pColorFn )
      25             : {
      26         428 : }
      27             : 
      28         428 : SwDashedLine::~SwDashedLine( )
      29             : {
      30         428 : }
      31             : 
      32         116 : void SwDashedLine::Paint( const Rectangle& )
      33             : {
      34         116 :     const drawinglayer::geometry::ViewInformation2D aNewViewInfos;
      35             :     boost::scoped_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(
      36             :         drawinglayer::processor2d::createBaseProcessor2DFromOutputDevice(
      37         232 :                     *this, aNewViewInfos ));
      38             : 
      39             :     // Compute the start and end points
      40         116 :     const Rectangle aRect( Rectangle( Point( 0, 0 ), PixelToLogic( GetSizePixel() ) ) );
      41         116 :     double nHalfWidth = double( aRect.Top() + aRect.Bottom() ) / 2.0;
      42             : 
      43         232 :     basegfx::B2DPoint aStart( double( aRect.Left() ), nHalfWidth );
      44         232 :     basegfx::B2DPoint aEnd( double( aRect.Right() ), nHalfWidth );
      45             : 
      46         232 :     basegfx::B2DPolygon aPolygon;
      47         116 :     aPolygon.append( aStart );
      48         116 :     aPolygon.append( aEnd );
      49             : 
      50         232 :     drawinglayer::primitive2d::Primitive2DSequence aSeq( 1 );
      51             : 
      52         116 :     const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
      53             : 
      54         232 :     std::vector< double > aStrokePattern;
      55         232 :     basegfx::BColor aColor = m_pColorFn().getBColor();
      56         116 :     if ( rSettings.GetHighContrastMode( ) )
      57             :     {
      58             :         // Only a solid line in high contrast mode
      59           0 :         aColor = rSettings.GetDialogTextColor().getBColor();
      60             :     }
      61             :     else
      62             :     {
      63             :         // Get a color for the contrast
      64         116 :         basegfx::BColor aHslLine = basegfx::tools::rgb2hsl( aColor );
      65         116 :         double nLuminance = aHslLine.getZ();
      66         116 :         nLuminance += ( 1.0 - nLuminance ) * 0.75;
      67         116 :         if ( aHslLine.getZ() > 0.7 )
      68           0 :             nLuminance = aHslLine.getZ() * 0.7;
      69         116 :         aHslLine.setZ( nLuminance );
      70         232 :         const basegfx::BColor aOtherColor = basegfx::tools::hsl2rgb( aHslLine );
      71             : 
      72             :         // Compute the plain line
      73             :         drawinglayer::primitive2d::PolygonHairlinePrimitive2D * pPlainLine =
      74             :             new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(
      75         116 :                     aPolygon, aOtherColor );
      76             : 
      77         116 :         aSeq[0] = drawinglayer::primitive2d::Primitive2DReference( pPlainLine );
      78             :         // Dashed line in twips
      79         116 :         aStrokePattern.push_back( 3 );
      80         116 :         aStrokePattern.push_back( 3 );
      81             : 
      82         232 :         aSeq.realloc( 2 );
      83             :     }
      84             : 
      85             :     // Compute the dashed line primitive
      86             :     drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D * pLine =
      87             :             new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D (
      88             :                 basegfx::B2DPolyPolygon( aPolygon ),
      89         116 :                 drawinglayer::attribute::LineAttribute( m_pColorFn().getBColor() ),
      90         232 :                 drawinglayer::attribute::StrokeAttribute( aStrokePattern ) );
      91             : 
      92         116 :     aSeq[ aSeq.getLength() - 1 ] = drawinglayer::primitive2d::Primitive2DReference( pLine );
      93             : 
      94         232 :     pProcessor->process( aSeq );
      95         386 : }
      96             : 
      97             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */