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Diffstat (limited to 'drawinglayer/qa/unit')
| -rw-r--r-- | drawinglayer/qa/unit/border.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/drawinglayer/qa/unit/border.cxx b/drawinglayer/qa/unit/border.cxx new file mode 100644 index 000000000..8c4e6e084 --- /dev/null +++ b/drawinglayer/qa/unit/border.cxx @@ -0,0 +1,180 @@ +/* -*- 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/polygonprimitive2d.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; + const std::vector<double> aDashing(svtools::GetLineDashing(SvxBorderLineStyle::DOUBLE, 10.0)); + const drawinglayer::attribute::StrokeAttribute aStrokeAttribute(aDashing); + std::vector<drawinglayer::primitive2d::BorderLine> aBorderlines; + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine( + drawinglayer::attribute::LineAttribute(aColorLeft, fLeftWidth), fExtendLeftStart, + fExtendLeftStart, fExtendLeftEnd, fExtendLeftEnd)); + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine(fDistance)); + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine( + drawinglayer::attribute::LineAttribute(aColorRight, fRightWidth), fExtendRightStart, + fExtendRightStart, fExtendRightEnd, fExtendRightEnd)); + + rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> aBorder( + new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, 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; + const std::vector<double> aDashing(svtools::GetLineDashing(SvxBorderLineStyle::DOUBLE, 10.0)); + const drawinglayer::attribute::StrokeAttribute aStrokeAttribute(aDashing); + std::vector<drawinglayer::primitive2d::BorderLine> aBorderlines; + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine( + drawinglayer::attribute::LineAttribute(aColorLeft, fLeftWidth), fExtendLeftStart, + fExtendLeftStart, fExtendLeftEnd, fExtendLeftEnd)); + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine(fDistance)); + + aBorderlines.push_back(drawinglayer::primitive2d::BorderLine( + drawinglayer::attribute::LineAttribute(aColorRight, fRightWidth), fExtendRightStart, + fExtendRightStart, fExtendRightEnd, fExtendRightEnd)); + + rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> aBorder( + new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, aBorderlines, + aStrokeAttribute)); + + drawinglayer::primitive2d::Primitive2DContainer aPrimitives; + aPrimitives.push_back(drawinglayer::primitive2d::Primitive2DReference(aBorder.get())); + + // 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: */ |