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QGIS/tests/src/core/testqgslayoututils.cpp
Nyall Dawson b5777adbdd Port some composer utils
2017-10-06 17:48:24 +10:00

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/***************************************************************************
testqgslayoututils.cpp
---------------------
begin : July 2017
copyright : (C) 2017 by Nyall Dawson
email : nyall dot dawson at gmail dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgslayout.h"
#include "qgstest.h"
#include "qgslayoututils.h"
#include "qgsproject.h"
#include "qgslayoutitemmap.h"
class TestQgsLayoutUtils: public QObject
{
Q_OBJECT
private slots:
void initTestCase();// will be called before the first testfunction is executed.
void cleanupTestCase();// will be called after the last testfunction was executed.
void init();// will be called before each testfunction is executed.
void cleanup();// will be called after every testfunction.
void normalizedAngle(); //test normalised angle function
void createRenderContextFromLayout();
void createRenderContextFromMap();
void relativePosition();
void relativeResizeRect();
private:
QString mReport;
};
void TestQgsLayoutUtils::initTestCase()
{
mReport = QStringLiteral( "<h1>Layout Utils Tests</h1>\n" );
}
void TestQgsLayoutUtils::cleanupTestCase()
{
QString myReportFile = QDir::tempPath() + QDir::separator() + "qgistest.html";
QFile myFile( myReportFile );
if ( myFile.open( QIODevice::WriteOnly | QIODevice::Append ) )
{
QTextStream myQTextStream( &myFile );
myQTextStream << mReport;
myFile.close();
}
}
void TestQgsLayoutUtils::init()
{
}
void TestQgsLayoutUtils::cleanup()
{
}
void TestQgsLayoutUtils::normalizedAngle()
{
QList< QPair< double, double > > testVals;
testVals << qMakePair( 0.0, 0.0 );
testVals << qMakePair( 90.0, 90.0 );
testVals << qMakePair( 180.0, 180.0 );
testVals << qMakePair( 270.0, 270.0 );
testVals << qMakePair( 360.0, 0.0 );
testVals << qMakePair( 390.0, 30.0 );
testVals << qMakePair( 720.0, 0.0 );
testVals << qMakePair( 730.0, 10.0 );
testVals << qMakePair( -10.0, 350.0 );
testVals << qMakePair( -360.0, 0.0 );
testVals << qMakePair( -370.0, 350.0 );
testVals << qMakePair( -760.0, 320.0 );
//test normalized angle helper function
QList< QPair< double, double > >::const_iterator it = testVals.constBegin();
for ( ; it != testVals.constEnd(); ++it )
{
double result = QgsLayoutUtils::normalizedAngle( ( *it ).first );
qDebug() << QStringLiteral( "actual: %1 expected: %2" ).arg( result ).arg( ( *it ).second );
QGSCOMPARENEAR( result, ( *it ).second, 4 * DBL_EPSILON );
}
//test with allowing negative angles
QList< QPair< double, double > > negativeTestVals;
negativeTestVals << qMakePair( 0.0, 0.0 );
negativeTestVals << qMakePair( 90.0, 90.0 );
negativeTestVals << qMakePair( 360.0, 0.0 );
negativeTestVals << qMakePair( -10.0, -10.0 );
negativeTestVals << qMakePair( -359.0, -359.0 );
negativeTestVals << qMakePair( -360.0, 0.0 );
negativeTestVals << qMakePair( -361.0, -1.0 );
negativeTestVals << qMakePair( -370.0, -10.0 );
negativeTestVals << qMakePair( -760.0, -40.0 );
it = negativeTestVals.constBegin();
for ( ; it != negativeTestVals.constEnd(); ++it )
{
double result = QgsLayoutUtils::normalizedAngle( ( *it ).first, true );
qDebug() << QStringLiteral( "actual: %1 expected: %2" ).arg( result ).arg( ( *it ).second );
QGSCOMPARENEAR( result, ( *it ).second, 4 * DBL_EPSILON );
}
}
void TestQgsLayoutUtils::createRenderContextFromLayout()
{
QImage testImage = QImage( 250, 250, QImage::Format_RGB32 );
testImage.setDotsPerMeterX( 150 / 25.4 * 1000 );
testImage.setDotsPerMeterY( 150 / 25.4 * 1000 );
QPainter p( &testImage );
// no layout
QgsRenderContext rc = QgsLayoutUtils::createRenderContextForLayout( nullptr, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QCOMPARE( rc.painter(), &p );
// no layout, no painter
rc = QgsLayoutUtils::createRenderContextForLayout( nullptr, nullptr );
QGSCOMPARENEAR( rc.scaleFactor(), 88 / 25.4, 0.001 );
QVERIFY( !rc.painter() );
//create layout with no reference map
QgsRectangle extent( 2000, 2800, 2500, 2900 );
QgsProject project;
QgsLayout l( &project );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QCOMPARE( rc.painter(), &p );
// layout, no map, no painter
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QGSCOMPARENEAR( rc.scaleFactor(), 88 / 25.4, 0.001 );
QVERIFY( !rc.painter() );
// add a reference map
QgsLayoutItemMap *map = new QgsLayoutItemMap( &l );
#if 0 // TODO
map->setNewExtent( extent );
map->setSceneRect( QRectF( 30, 60, 200, 100 ) );
composition->addComposerMap( map );
#endif
l.setReferenceMap( map );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QGSCOMPARENEAR( rc.rendererScale(), map->scale(), 1000000 );
QCOMPARE( rc.painter(), &p );
// layout, reference map, no painter
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QGSCOMPARENEAR( rc.scaleFactor(), 88 / 25.4, 0.001 );
QGSCOMPARENEAR( rc.rendererScale(), map->scale(), 1000000 );
QVERIFY( !rc.painter() );
// check render context flags are correctly set
l.context().setFlags( 0 );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( !( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( !( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
l.context().setFlag( QgsLayoutContext::FlagAntialiasing );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( ( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( !( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
l.context().setFlag( QgsLayoutContext::FlagUseAdvancedEffects );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( ( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( ( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
p.end();
}
void TestQgsLayoutUtils::createRenderContextFromMap()
{
QImage testImage = QImage( 250, 250, QImage::Format_RGB32 );
testImage.setDotsPerMeterX( 150 / 25.4 * 1000 );
testImage.setDotsPerMeterY( 150 / 25.4 * 1000 );
QPainter p( &testImage );
// no map
QgsRenderContext rc = QgsLayoutUtils::createRenderContextForMap( nullptr, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QCOMPARE( rc.painter(), &p );
// no map, no painter
rc = QgsLayoutUtils::createRenderContextForMap( nullptr, nullptr );
QGSCOMPARENEAR( rc.scaleFactor(), 88 / 25.4, 0.001 );
QVERIFY( !rc.painter() );
//create composition with no reference map
QgsRectangle extent( 2000, 2800, 2500, 2900 );
QgsProject project;
QgsLayout l( &project );
#if 0 // TODO
// add a map
QgsLayoutItemMap *map = new QgsLayoutItemMap( &l );
map->setNewExtent( extent );
map->setSceneRect( QRectF( 30, 60, 200, 100 ) );
l.addComposerMap( map );
#endif
#if 0 //TODO
rc = QgsLayoutUtils::createRenderContextForMap( map, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QGSCOMPARENEAR( rc.rendererScale(), map->scale(), 1000000 );
QCOMPARE( rc.painter(), &p );
// map, no painter
rc = QgsLayoutUtils::createRenderContextForMap( map, nullptr );
QGSCOMPARENEAR( rc.scaleFactor(), 88 / 25.4, 0.001 );
QGSCOMPARENEAR( rc.rendererScale(), map->scale(), 1000000 );
QVERIFY( !rc.painter() );
// secondary map
QgsLayoutItemMap *map2 = new QgsLayoutItemMap( &l );
map2->setNewExtent( extent );
map2->setSceneRect( QRectF( 30, 60, 100, 50 ) );
composition->addComposerMap( map2 );
rc = QgsLayoutUtils::createRenderContextForMap( map2, &p );
QGSCOMPARENEAR( rc.scaleFactor(), 150 / 25.4, 0.001 );
QGSCOMPARENEAR( rc.rendererScale(), map2->scale(), 1000000 );
QVERIFY( rc.painter() );
// check render context flags are correctly set
l.context().setFlags( 0 );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( !( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( !( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
l.context().setFlag( QgsLayoutContext::FlagAntialiasing );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( ( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( !( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
l.context().setFlag( QgsLayoutContext::FlagUseAdvancedEffects );
rc = QgsLayoutUtils::createRenderContextForLayout( &l, nullptr );
QVERIFY( ( rc.flags() & QgsRenderContext::Antialiasing ) );
QVERIFY( ( rc.flags() & QgsRenderContext::UseAdvancedEffects ) );
QVERIFY( ( rc.flags() & QgsRenderContext::ForceVectorOutput ) );
#endif
p.end();
}
void TestQgsLayoutUtils::relativePosition()
{
//+ve gradient
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 1, 0, 2, 0, 4 ), 2, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 0, 0, 2, 0, 4 ), 0, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 2, 0, 2, 0, 4 ), 4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 4, 0, 2, 0, 4 ), 8, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( -2, 0, 2, 0, 4 ), -4, 0.001 );
//-ve gradient
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 1, 0, 2, 4, 0 ), 2, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 0, 0, 2, 4, 0 ), 4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 2, 0, 2, 4, 0 ), 0, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 4, 0, 2, 4, 0 ), -4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( -2, 0, 2, 4, 0 ), 8, 0.001 );
//-ve domain
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 1, 2, 0, 0, 4 ), 2, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 0, 2, 0, 0, 4 ), 4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 2, 2, 0, 0, 4 ), 0, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 4, 2, 0, 0, 4 ), -4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( -2, 2, 0, 0, 4 ), 8, 0.001 );
//-ve domain and gradient
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 1, 2, 0, 4, 0 ), 2, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 0, 2, 0, 4, 0 ), 0, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 2, 2, 0, 4, 0 ), 4, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( 4, 2, 0, 4, 0 ), 8, 0.001 );
QGSCOMPARENEAR( QgsLayoutUtils::relativePosition( -2, 2, 0, 4, 0 ), -4, 0.001 );
}
void TestQgsLayoutUtils::relativeResizeRect()
{
//test rectangle which fills bounds
QRectF testRect = QRectF( 0, 0, 1, 1 );
QRectF boundsBefore = QRectF( 0, 0, 1, 1 );
QRectF boundsAfter = QRectF( 0, 0, 1, 1 );
QgsLayoutUtils::relativeResizeRect( testRect, boundsBefore, boundsAfter );
QCOMPARE( testRect, QRectF( 0, 0, 1, 1 ) );
testRect = QRectF( 0, 0, 1, 1 );
boundsAfter = QRectF( 0, 0, 2, 2 );
QgsLayoutUtils::relativeResizeRect( testRect, boundsBefore, boundsAfter );
QCOMPARE( testRect, QRectF( 0, 0, 2, 2 ) );
testRect = QRectF( 0, 0, 1, 1 );
boundsAfter = QRectF( 0, 0, 0.5, 4 );
QgsLayoutUtils::relativeResizeRect( testRect, boundsBefore, boundsAfter );
QCOMPARE( testRect, QRectF( 0, 0, 0.5, 4 ) );
//test rectangle which doesn't fill bounds
testRect = QRectF( 1, 2, 1, 2 );
boundsBefore = QRectF( 0, 0, 4, 8 );
boundsAfter = QRectF( 0, 0, 2, 4 );
QgsLayoutUtils::relativeResizeRect( testRect, boundsBefore, boundsAfter );
QCOMPARE( testRect, QRectF( 0.5, 1, 0.5, 1 ) );
}
QGSTEST_MAIN( TestQgsLayoutUtils )
#include "testqgslayoututils.moc"
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