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/* -*- 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/.
*/
#include <DashedLine.hxx>
#include <basegfx/color/bcolortools.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
#include <drawinglayer/primitive2d/PolyPolygonStrokePrimitive2D.hxx>
#include <drawinglayer/processor2d/baseprocessor2d.hxx>
#include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <memory>
SwDashedLine::SwDashedLine( vcl::Window* pParent, Color& ( *pColorFn )() )
: Control( pParent, WB_DIALOGCONTROL | WB_HORZ )
, m_pColorFn( pColorFn )
{
}
SwDashedLine::~SwDashedLine( )
{
}
void SwDashedLine::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
{
const drawinglayer::geometry::ViewInformation2D aNewViewInfos;
std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(
drawinglayer::processor2d::createBaseProcessor2DFromOutputDevice(rRenderContext, aNewViewInfos));
// Compute the start and end points
const tools::Rectangle aRect(tools::Rectangle(Point(0, 0), rRenderContext.PixelToLogic(GetSizePixel())));
double nHalfWidth = double(aRect.Top() + aRect.Bottom()) / 2.0;
basegfx::B2DPoint aStart(double(aRect.Left()), nHalfWidth);
basegfx::B2DPoint aEnd(double(aRect.Right()), nHalfWidth);
basegfx::B2DPolygon aPolygon;
aPolygon.append(aStart);
aPolygon.append(aEnd);
drawinglayer::primitive2d::Primitive2DContainer aSeq(1);
const StyleSettings& rSettings = Application::GetSettings().GetStyleSettings();
std::vector<double> aStrokePattern;
basegfx::BColor aColor = m_pColorFn().getBColor();
if (rSettings.GetHighContrastMode())
{
// Only a solid line in high contrast mode
aColor = rSettings.GetDialogTextColor().getBColor();
}
else
{
// Get a color for the contrast
basegfx::BColor aHslLine = basegfx::utils::rgb2hsl(aColor);
double nLuminance = aHslLine.getZ();
nLuminance += (1.0 - nLuminance) * 0.75;
if (aHslLine.getZ() > 0.7)
nLuminance = aHslLine.getZ() * 0.7;
aHslLine.setZ(nLuminance);
const basegfx::BColor aOtherColor = basegfx::utils::hsl2rgb(aHslLine);
// Compute the plain line
aSeq[0] = new drawinglayer::primitive2d::PolygonHairlinePrimitive2D(aPolygon, aOtherColor);
// Dashed line in twips
aStrokePattern.push_back(3);
aStrokePattern.push_back(3);
aSeq.resize(2);
}
// Compute the dashed line primitive
aSeq[aSeq.size() - 1] =
new drawinglayer::primitive2d::PolyPolygonStrokePrimitive2D(
basegfx::B2DPolyPolygon(aPolygon),
drawinglayer::attribute::LineAttribute(m_pColorFn().getBColor()),
drawinglayer::attribute::StrokeAttribute(std::move(aStrokePattern)));
pProcessor->process(aSeq);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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