3d36ff1a1d
Change-Id: Ib574403a7f7f8b11c6263c9c19ec6b65c8374ddd Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115753 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
161 lines
6.9 KiB
C++
161 lines
6.9 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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*/
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#include <test/bootstrapfixture.hxx>
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#include <vcl/virdev.hxx>
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#include <vcl/BitmapReadAccess.hxx>
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#include <vcl/canvastools.hxx>
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#include <vcl/graphicfilter.hxx>
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#include <vcl/metaact.hxx>
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#include <vcl/gdimtf.hxx>
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#include <tools/stream.hxx>
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#include <drawinglayer/geometry/viewinformation2d.hxx>
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#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
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#include <drawinglayer/processor2d/baseprocessor2d.hxx>
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#include <drawinglayer/processor2d/processorfromoutputdevice.hxx>
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#include <cppcanvas/vclfactory.hxx>
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#include <com/sun/star/rendering/XBitmap.hpp>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/rendering/XBitmapCanvas.hpp>
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#include <com/sun/star/rendering/CompositeOperation.hpp>
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using namespace drawinglayer;
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using namespace com::sun::star;
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class VclMetaFileProcessor2DTest : public test::BootstrapFixture
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{
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VclPtr<VirtualDevice> mVclDevice;
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uno::Reference<rendering::XCanvas> mCanvas;
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// if enabled - check the result images with:
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// "xdg-open ./workdir/CppunitTest/drawinglayer_processors.test.core/"
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static constexpr const bool mbExportBitmap = false;
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void exportDevice(const OUString& filename, const VclPtr<VirtualDevice>& device)
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{
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if (mbExportBitmap)
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{
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BitmapEx aBitmapEx(device->GetBitmapEx(Point(0, 0), device->GetOutputSizePixel()));
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SvFileStream aStream(filename, StreamMode::WRITE | StreamMode::TRUNC);
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GraphicFilter::GetGraphicFilter().compressAsPNG(aBitmapEx, aStream);
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}
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}
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public:
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VclMetaFileProcessor2DTest()
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: BootstrapFixture(true, false)
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{
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}
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virtual void tearDown() override
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{
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mVclDevice.clear();
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mCanvas = uno::Reference<rendering::XCanvas>();
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BootstrapFixture::tearDown();
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}
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void setupCanvas(const Size& size, Color backgroundColor = COL_WHITE, bool alpha = false)
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{
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mVclDevice
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= alpha ? VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT, DeviceFormat::DEFAULT)
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: VclPtr<VirtualDevice>::Create(DeviceFormat::DEFAULT);
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mVclDevice->SetOutputSizePixel(size);
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mVclDevice->SetBackground(Wallpaper(backgroundColor));
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mVclDevice->Erase();
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mCanvas = mVclDevice->GetCanvas();
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CPPUNIT_ASSERT(mCanvas.is());
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}
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// Test drawing a dotted line in Impress presentation mode.
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void testTdf136957()
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{
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// Impress presentation mode first draws the slide to a metafile.
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GDIMetaFile metafile;
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// I got these values by adding debug output to cppcanvas::internal::ImplRenderer::ImplRenderer().
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metafile.SetPrefMapMode(MapMode(MapUnit::Map100thMM));
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metafile.SetPrefSize(Size(14548, 3350));
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ScopedVclPtrInstance<VirtualDevice> metadevice;
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metafile.Record(metadevice);
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drawinglayer::geometry::ViewInformation2D view;
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std::unique_ptr<processor2d::BaseProcessor2D> processor(
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processor2d::createBaseProcessor2DFromOutputDevice(*metadevice, view));
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CPPUNIT_ASSERT(processor);
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// Match the values Impress uses.
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basegfx::B2DPolygon polygon = { { 15601, 0 }, { 15602, 5832 } };
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attribute::LineAttribute lineAttributes(
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basegfx::BColor(0.047058823529411764, 0.19607843137254902, 0.17254901960784313), 35,
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basegfx::B2DLineJoin::Miter, css::drawing::LineCap_ROUND);
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attribute::StrokeAttribute strokeAttributes({ 0.35, 69.65 });
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rtl::Reference<primitive2d::PolygonStrokePrimitive2D> strokePrimitive(
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new primitive2d::PolygonStrokePrimitive2D(polygon, lineAttributes, strokeAttributes));
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primitive2d::Primitive2DContainer primitives;
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primitives.push_back(primitive2d::Primitive2DReference(strokePrimitive));
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processor->process(primitives);
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metafile.Stop();
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metafile.WindStart();
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// Now verify that the metafile has the one PolyLine action with the right dashing.
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int lineActionCount = 0;
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for (std::size_t i = 0; i < metafile.GetActionSize(); ++i)
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{
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const MetaAction* metaAction = metafile.GetAction(i);
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if (metaAction->GetType() == MetaActionType::POLYLINE)
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{
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const MetaPolyLineAction* action
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= static_cast<const MetaPolyLineAction*>(metaAction);
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CPPUNIT_ASSERT_EQUAL(35.0, action->GetLineInfo().GetWidth());
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CPPUNIT_ASSERT_EQUAL(LineStyle::Dash, action->GetLineInfo().GetStyle());
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CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), action->GetLineInfo().GetDashCount());
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CPPUNIT_ASSERT_EQUAL(0.35, action->GetLineInfo().GetDashLen());
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CPPUNIT_ASSERT_EQUAL(sal_uInt16(0), action->GetLineInfo().GetDotCount());
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CPPUNIT_ASSERT_EQUAL(0.0, action->GetLineInfo().GetDotLen());
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CPPUNIT_ASSERT_EQUAL(69.65, action->GetLineInfo().GetDistance());
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lineActionCount++;
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}
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}
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CPPUNIT_ASSERT_EQUAL(1, lineActionCount);
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// Now draw the metafile using canvas and verify that the line is drawn.
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setupCanvas(Size(1920, 1080));
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cppcanvas::CanvasSharedPtr cppCanvas = cppcanvas::VCLFactory::createCanvas(mCanvas);
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// I got these matrices from a breakpoint in drawing the polyline, and walking up
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// the stack to the canvas code.
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cppCanvas->setTransformation(
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basegfx::B2DHomMatrix(0.056662828121770453, 0, 0, 0, 0.056640419947506564, 0));
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cppcanvas::RendererSharedPtr renderer = cppcanvas::VCLFactory::createRenderer(
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cppCanvas, metafile, cppcanvas::Renderer::Parameters());
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renderer->setTransformation(basegfx::B2DHomMatrix(14548, 0, -2, 0, 3350, 3431));
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CPPUNIT_ASSERT(renderer->draw());
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exportDevice("test-tdf136957", mVclDevice);
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Bitmap bitmap = mVclDevice->GetBitmap(Point(), Size(1920, 1080));
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Bitmap::ScopedReadAccess access(bitmap);
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// There should be a dotted line, without the fix it wouldn't be there, so check
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// there's a sufficient amount of non-white pixels and that's the line.
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int nonWhiteCount = 0;
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for (tools::Long y = 193; y <= 524; ++y)
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for (tools::Long x = 883; x <= 885; ++x)
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if (access->GetColor(y, x) != COL_WHITE)
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++nonWhiteCount;
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CPPUNIT_ASSERT_GREATER(100, nonWhiteCount);
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}
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CPPUNIT_TEST_SUITE(VclMetaFileProcessor2DTest);
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CPPUNIT_TEST(testTdf136957);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(VclMetaFileProcessor2DTest);
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CPPUNIT_PLUGIN_IMPLEMENT();
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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