89 lines
3.3 KiB
C++
89 lines
3.3 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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#include <DashedLine.hxx>
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#include <basegfx/color/bcolortools.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>
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#include <drawinglayer/processor2d/baseprocessor2d.hxx>
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#include <drawinglayer/processor2d/processor2dtools.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/settings.hxx>
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#include <memory>
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SwDashedLine::SwDashedLine( vcl::Window* pParent, const Color& ( SwViewOption::* pColorFn )() const )
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: Control( pParent, WB_DIALOGCONTROL | WB_HORZ )
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, m_pColorFn( pColorFn )
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{
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}
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SwDashedLine::~SwDashedLine( )
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{
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}
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void SwDashedLine::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
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{
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const drawinglayer::geometry::ViewInformation2D aNewViewInfos;
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std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(
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drawinglayer::processor2d::createProcessor2DFromOutputDevice(rRenderContext, aNewViewInfos));
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// Compute the start and end points
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const tools::Rectangle aRect(tools::Rectangle(Point(0, 0), rRenderContext.PixelToLogic(GetSizePixel())));
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double nHalfWidth = double(aRect.Top() + aRect.Bottom()) / 2.0;
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basegfx::B2DPoint aStart(double(aRect.Left()), nHalfWidth);
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basegfx::B2DPoint aEnd(double(aRect.Right()), nHalfWidth);
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basegfx::B2DPolygon aPolygon;
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aPolygon.append(aStart);
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aPolygon.append(aEnd);
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drawinglayer::primitive2d::Primitive2DContainer aSeq;
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const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
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std::vector<double> aStrokePattern;
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basegfx::BColor aColor = (SwViewOption::GetCurrentViewOptions().*m_pColorFn)().getBColor();
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if (rSettings.GetHighContrastMode())
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{
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// Only a solid line in high contrast mode
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aColor = rSettings.GetDialogTextColor().getBColor();
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}
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else
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{
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// Get a color for the contrast
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basegfx::BColor aHslLine = basegfx::utils::rgb2hsl(aColor);
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double nLuminance = aHslLine.getZ();
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nLuminance += (1.0 - nLuminance) * 0.75;
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if (aHslLine.getZ() > 0.7)
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nLuminance = aHslLine.getZ() * 0.7;
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aHslLine.setZ(nLuminance);
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const basegfx::BColor aOtherColor = basegfx::utils::hsl2rgb(aHslLine);
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// Compute the plain line
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aSeq.push_back(new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(aPolygon, aOtherColor));
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// Dashed line in twips
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aStrokePattern.push_back(3);
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aStrokePattern.push_back(3);
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}
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// Compute the dashed line primitive
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aSeq.push_back(
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new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
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basegfx::B2DPolyPolygon(aPolygon),
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drawinglayer::attribute::LineAttribute((SwViewOption::GetCurrentViewOptions().*m_pColorFn)().getBColor()),
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drawinglayer::attribute::StrokeAttribute(std::move(aStrokePattern))));
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pProcessor->process(aSeq);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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