1 files changed, 91 insertions, 0 deletions
diff --git a/sw/source/uibase/docvw/DashedLine.cxx b/sw/source/uibase/docvw/DashedLine.cxx
new file mode 100644
index 0000000000..0ede6da3ae
--- /dev/null
+++ b/sw/source/uibase/docvw/DashedLine.cxx
@@ -0,0 +1,91 @@
+/* -*- 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/processor2dtools.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/settings.hxx>
+#include <memory>
+
+SwDashedLine::SwDashedLine( vcl::Window* pParent, const Color& ( SwViewOption::* pColorFn )() const )
+    : 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::createProcessor2DFromOutputDevice(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 = (SwViewOption::GetCurrentViewOptions().*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((SwViewOption::GetCurrentViewOptions().*m_pColorFn)().getBColor()),
+                drawinglayer::attribute::StrokeAttribute(std::move(aStrokePattern)));
+
+    pProcessor->process(aSeq);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */