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-rw-r--r--drawinglayer/qa/unit/border.cxx181
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diff --git a/drawinglayer/qa/unit/border.cxx b/drawinglayer/qa/unit/border.cxx
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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 <memory>
+#include <cppunit/TestAssert.h>
+#include <cppunit/plugin/TestPlugIn.h>
+
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+#include <drawinglayer/primitive2d/borderlineprimitive2d.hxx>
+#include <drawinglayer/primitive2d/PolygonStrokePrimitive2D.hxx>
+#include <drawinglayer/processor2d/baseprocessor2d.hxx>
+#include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
+#include <rtl/ref.hxx>
+#include <test/bootstrapfixture.hxx>
+#include <vcl/metaact.hxx>
+#include <vcl/vclptr.hxx>
+#include <vcl/virdev.hxx>
+#include <editeng/borderline.hxx>
+#include <svtools/borderhelper.hxx>
+
+using namespace com::sun::star;
+
+namespace
+{
+class DrawinglayerBorderTest : public test::BootstrapFixture
+{
+};
+
+CPPUNIT_TEST_FIXTURE(DrawinglayerBorderTest, testDoubleDecompositionSolid)
+{
+ // Create a border line primitive that's similar to the one from the bugdoc:
+ // 1.47 pixels is 0.03cm at 130% zoom and 96 DPI.
+ basegfx::B2DPoint aStart(0, 20);
+ basegfx::B2DPoint aEnd(100, 20);
+ double const fLeftWidth = 1.47;
+ double const fDistance = 1.47;
+ double const fRightWidth = 1.47;
+ double const fExtendLeftStart = 0;
+ double const fExtendLeftEnd = 0;
+ double const fExtendRightStart = 0;
+ double const fExtendRightEnd = 0;
+ basegfx::BColor aColorRight;
+ basegfx::BColor aColorLeft;
+ std::vector<double> aDashing(svtools::GetLineDashing(SvxBorderLineStyle::DOUBLE, 10.0));
+ const drawinglayer::attribute::StrokeAttribute aStrokeAttribute(std::move(aDashing));
+ std::vector<drawinglayer::primitive2d::BorderLine> aBorderlines{
+
+ drawinglayer::primitive2d::BorderLine(
+ drawinglayer::attribute::LineAttribute(aColorLeft, fLeftWidth), fExtendLeftStart,
+ fExtendLeftStart, fExtendLeftEnd, fExtendLeftEnd),
+
+ drawinglayer::primitive2d::BorderLine(fDistance),
+
+ drawinglayer::primitive2d::BorderLine(
+ drawinglayer::attribute::LineAttribute(aColorRight, fRightWidth), fExtendRightStart,
+ fExtendRightStart, fExtendRightEnd, fExtendRightEnd)
+ };
+
+ rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> aBorder(
+ new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, std::move(aBorderlines),
+ aStrokeAttribute));
+
+ // Decompose it into polygons.
+ drawinglayer::geometry::ViewInformation2D aView;
+ drawinglayer::primitive2d::Primitive2DContainer aContainer;
+ aBorder->get2DDecomposition(aContainer, aView);
+
+ // Make sure it results in two borders as it's a double one.
+ CPPUNIT_ASSERT_EQUAL(static_cast<std::size_t>(2), aContainer.size());
+
+ // Get the inside line, now a PolygonStrokePrimitive2D
+ auto pInside = dynamic_cast<const drawinglayer::primitive2d::PolygonStrokePrimitive2D*>(
+ aContainer[0].get());
+ CPPUNIT_ASSERT(pInside);
+
+ // Make sure the inside line's height is fLeftWidth.
+ const double fLineWidthFromDecompose = pInside->getLineAttribute().getWidth();
+
+ // This was 2.47, i.e. the width of the inner line was 1 unit (in the bugdoc's case: 1 pixel) wider than expected.
+ CPPUNIT_ASSERT_DOUBLES_EQUAL(fLeftWidth, fLineWidthFromDecompose,
+ basegfx::fTools::getSmallValue());
+}
+
+CPPUNIT_TEST_FIXTURE(DrawinglayerBorderTest, testDoublePixelProcessing)
+{
+ // Create a pixel processor.
+ ScopedVclPtrInstance<VirtualDevice> pDev;
+ drawinglayer::geometry::ViewInformation2D aView;
+ std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(
+ drawinglayer::processor2d::createBaseProcessor2DFromOutputDevice(*pDev, aView));
+ CPPUNIT_ASSERT(pProcessor);
+ GDIMetaFile aMetaFile;
+ // Start recording after the processor is created, so we can test the pixel processor.
+ aMetaFile.Record(pDev);
+
+ // Create a border line primitive that's similar to the one from the bugdoc:
+ // 1.47 pixels is 0.03cm at 130% zoom and 96 DPI.
+ basegfx::B2DPoint aStart(0, 20);
+ basegfx::B2DPoint aEnd(100, 20);
+ double const fLeftWidth = 1.47;
+ double const fDistance = 1.47;
+ double const fRightWidth = 1.47;
+ double const fExtendLeftStart = 0;
+ double const fExtendLeftEnd = 0;
+ double const fExtendRightStart = 0;
+ double const fExtendRightEnd = 0;
+ basegfx::BColor aColorRight;
+ basegfx::BColor aColorLeft;
+ std::vector<double> aDashing(svtools::GetLineDashing(SvxBorderLineStyle::DOUBLE, 10.0));
+ const drawinglayer::attribute::StrokeAttribute aStrokeAttribute(std::move(aDashing));
+ std::vector<drawinglayer::primitive2d::BorderLine> aBorderlines{
+ drawinglayer::primitive2d::BorderLine(
+ drawinglayer::attribute::LineAttribute(aColorLeft, fLeftWidth), fExtendLeftStart,
+ fExtendLeftStart, fExtendLeftEnd, fExtendLeftEnd),
+
+ drawinglayer::primitive2d::BorderLine(fDistance),
+
+ drawinglayer::primitive2d::BorderLine(
+ drawinglayer::attribute::LineAttribute(aColorRight, fRightWidth), fExtendRightStart,
+ fExtendRightStart, fExtendRightEnd, fExtendRightEnd)
+ };
+
+ rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> aBorder(
+ new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, std::move(aBorderlines),
+ aStrokeAttribute));
+
+ drawinglayer::primitive2d::Primitive2DContainer aPrimitives;
+ aPrimitives.push_back(drawinglayer::primitive2d::Primitive2DReference(aBorder));
+
+ // Process the primitives.
+ pProcessor->process(aPrimitives);
+
+ // Double line now gets decomposed in Metafile to painting four lines
+ // with width == 0 in a cross pattern due to real line width being between
+ // 1.0 and 2.0. Count created lines
+ aMetaFile.Stop();
+ aMetaFile.WindStart();
+ sal_uInt32 nPolyLineActionCount = 0;
+
+ for (std::size_t nAction = 0; nAction < aMetaFile.GetActionSize(); ++nAction)
+ {
+ MetaAction* pAction = aMetaFile.GetAction(nAction);
+
+ if (MetaActionType::POLYLINE == pAction->GetType())
+ {
+ auto pMPLAction = static_cast<MetaPolyLineAction*>(pAction);
+
+ if (0 != pMPLAction->GetLineInfo().GetWidth()
+ && LineStyle::Solid == pMPLAction->GetLineInfo().GetStyle())
+ {
+ nPolyLineActionCount++;
+ }
+ }
+ }
+
+ // Check if all eight (2x four) simple lines with width == 0 and
+ // solid were created
+ //
+ // This has changed: Now, just the needed 'real' lines get created
+ // which have a width of 1. This are two lines. The former multiple
+ // lines were a combination of view-dependent force to a single-pixel
+ // line width (0 == lineWidth -> hairline) and vcl rendering this
+ // using a (insane) combination of single non-AAed lines. All the
+ // system-dependent part of the BorderLine stuff is now done in
+ // SdrFrameBorderPrimitive2D and svx.
+ // Adapted this test - still useful, breaking it may be a hint :-)
+ const sal_uInt32 nExpectedNumPolyLineActions = 2;
+
+ CPPUNIT_ASSERT_EQUAL(nExpectedNumPolyLineActions, nPolyLineActionCount);
+}
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */