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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/primitive2d/groupprimitive2d.hxx>
#include <drawinglayer/processor2d/baseprocessor2d.hxx>
#include <drawinglayer/processor2d/processor2dtools.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>(1), aContainer.size());
auto* pGroupPrimitive
= dynamic_cast<const drawinglayer::primitive2d::GroupPrimitive2D*>(aContainer[0].get());
CPPUNIT_ASSERT_EQUAL(static_cast<std::size_t>(2), pGroupPrimitive->getChildren().size());
// Get the inside line, now a PolygonStrokePrimitive2D
auto pInside = dynamic_cast<const drawinglayer::primitive2d::PolygonStrokePrimitive2D*>(
pGroupPrimitive->getChildren()[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)
{
// Creating a pixel-processor and after that attaching a metafile
// recording is not possible anymore, the pixel-processor may be
// a SDPR, e.g. a CairoSDPR, and *not* a VclPixelProcessor2D anymore.
// Since the intention had changed already (see comments below
// where it is explained why two lines are expected nowadays)
// it is also okay to just use a VclMetafileProcessor2D - to record
// a metafile.
ScopedVclPtrInstance<VirtualDevice> pDev;
GDIMetaFile aMetaFile;
aMetaFile.Record(pDev);
drawinglayer::geometry::ViewInformation2D aView;
// This creates a VclMetafileProcessor2D - the only processor that
// (as the name states) can record metafiles
std::unique_ptr<drawinglayer::processor2d::BaseProcessor2D> pProcessor(
drawinglayer::processor2d::createProcessor2DFromOutputDevice(*pDev, aView));
CPPUNIT_ASSERT(pProcessor);
// 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: */
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