150 lines
6 KiB
C++
150 lines
6 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 <cppunit/TestAssert.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <cppunit/plugin/TestPlugIn.h>
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#include <com/sun/star/table/BorderLineStyle.hpp>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <drawinglayer/primitive2d/borderlineprimitive2d.hxx>
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#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
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#include <drawinglayer/processor2d/baseprocessor2d.hxx>
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#include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
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#include <rtl/ref.hxx>
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#include <test/bootstrapfixture.hxx>
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#include <vcl/vclptr.hxx>
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#include <vcl/virdev.hxx>
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using namespace com::sun::star;
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namespace
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{
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class DrawinglayerBorderTest : public test::BootstrapFixture
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{
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public:
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void testDoubleDecompositionSolid();
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void testDoublePixelProcessing();
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CPPUNIT_TEST_SUITE(DrawinglayerBorderTest);
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CPPUNIT_TEST(testDoubleDecompositionSolid);
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CPPUNIT_TEST(testDoublePixelProcessing);
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CPPUNIT_TEST_SUITE_END();
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};
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void DrawinglayerBorderTest::testDoubleDecompositionSolid()
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{
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// Create a border line primitive that's similar to the one from the bugdoc:
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// 1.47 pixels is 0.03cm at 130% zoom and 96 DPI.
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basegfx::B2DPoint aStart(0, 20);
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basegfx::B2DPoint aEnd(100, 20);
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double fLeftWidth = 1.47;
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double fDistance = 1.47;
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double fRightWidth = 1.47;
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double fExtendLeftStart = 0;
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double fExtendLeftEnd = 0;
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double fExtendRightStart = 0;
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double fExtendRightEnd = 0;
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basegfx::BColor aColorRight;
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basegfx::BColor aColorLeft;
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basegfx::BColor aColorGap;
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bool bHasGapColor = false;
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sal_Int16 nStyle = table::BorderLineStyle::DOUBLE;
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rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> aBorder(new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, fLeftWidth, fDistance, fRightWidth, fExtendLeftStart, fExtendLeftEnd, fExtendRightStart, fExtendRightEnd, aColorRight, aColorLeft, aColorGap, bHasGapColor, nStyle));
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// Decompose it into polygons.
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drawinglayer::geometry::ViewInformation2D aView;
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drawinglayer::primitive2d::Primitive2DContainer aContainer = aBorder->get2DDecomposition(aView);
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// Make sure it results in two borders as it's a double one.
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CPPUNIT_ASSERT_EQUAL(static_cast<std::size_t>(2), aContainer.size());
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// Get the inside line.
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auto pInside = dynamic_cast<const drawinglayer::primitive2d::PolyPolygonColorPrimitive2D*>(aContainer[0].get());
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CPPUNIT_ASSERT(pInside);
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// Make sure the inside line's height is fLeftWidth.
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const basegfx::B2DPolyPolygon& rPolyPolygon = pInside->getB2DPolyPolygon();
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CPPUNIT_ASSERT_EQUAL(static_cast<sal_uInt32>(1), rPolyPolygon.count());
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const basegfx::B2DPolygon& rPolygon = rPolyPolygon.getB2DPolygon(0);
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const basegfx::B2DRange& rRange = rPolygon.getB2DRange();
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// 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.
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CPPUNIT_ASSERT_DOUBLES_EQUAL(fLeftWidth, rRange.getHeight(), basegfx::fTools::getSmallValue());
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}
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void DrawinglayerBorderTest::testDoublePixelProcessing()
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{
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// Create a pixel processor.
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ScopedVclPtrInstance<VirtualDevice> pDev;
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drawinglayer::geometry::ViewInformation2D aView;
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std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(drawinglayer::processor2d::createBaseProcessor2DFromOutputDevice(*pDev, aView));
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CPPUNIT_ASSERT(pProcessor);
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GDIMetaFile aMetaFile;
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// Start recording after the processor is created, so we can test the pixel processor.
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aMetaFile.Record(pDev);
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// Create a border line primitive that's similar to the one from the bugdoc:
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// 1.47 pixels is 0.03cm at 130% zoom and 96 DPI.
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basegfx::B2DPoint aStart(0, 20);
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basegfx::B2DPoint aEnd(100, 20);
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double fLeftWidth = 1.47;
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double fDistance = 1.47;
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double fRightWidth = 1.47;
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double fExtendLeftStart = 0;
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double fExtendLeftEnd = 0;
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double fExtendRightStart = 0;
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double fExtendRightEnd = 0;
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basegfx::BColor aColorRight;
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basegfx::BColor aColorLeft;
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basegfx::BColor aColorGap;
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bool bHasGapColor = false;
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sal_Int16 nStyle = table::BorderLineStyle::DOUBLE;
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rtl::Reference<drawinglayer::primitive2d::BorderLinePrimitive2D> xBorder(new drawinglayer::primitive2d::BorderLinePrimitive2D(aStart, aEnd, fLeftWidth, fDistance, fRightWidth, fExtendLeftStart, fExtendLeftEnd, fExtendRightStart, fExtendRightEnd, aColorRight, aColorLeft, aColorGap, bHasGapColor, nStyle));
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drawinglayer::primitive2d::Primitive2DContainer aPrimitives;
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aPrimitives.push_back(drawinglayer::primitive2d::Primitive2DReference(xBorder.get()));
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// Process the primitives.
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pProcessor->process(aPrimitives);
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// Now assert the height of the outer (second) border polygon.
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aMetaFile.Stop();
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aMetaFile.WindStart();
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bool bFirst = true;
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sal_Int32 nHeight = 0;
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for (std::size_t nAction = 0; nAction < aMetaFile.GetActionSize(); ++nAction)
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{
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MetaAction* pAction = aMetaFile.GetAction(nAction);
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if (pAction->GetType() == MetaActionType::POLYPOLYGON)
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{
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if (bFirst)
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{
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bFirst = false;
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continue;
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}
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auto pMPPAction = static_cast<MetaPolyPolygonAction*>(pAction);
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const tools::PolyPolygon& rPolyPolygon = pMPPAction->GetPolyPolygon();
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nHeight = rPolyPolygon.GetBoundRect().getHeight();
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}
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}
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sal_Int32 nExpectedHeight = std::round(fRightWidth);
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// This was 2, and should be 1: if the logical requested width is 1.47,
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// then that must be 1 px on the screen, not 2.
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CPPUNIT_ASSERT_EQUAL(nExpectedHeight, nHeight);
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}
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CPPUNIT_TEST_SUITE_REGISTRATION(DrawinglayerBorderTest);
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}
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CPPUNIT_PLUGIN_IMPLEMENT();
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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