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Add a test unit for Atlas generation
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Hugo Mercier
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Sep 27, 2012
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/*************************************************************************** | ||
testqgscomposermapatlas.cpp | ||
--------------------------- | ||
begin : Sept 2012 | ||
copyright : (C) 2012 by Hugo Mercier | ||
email : hugo dot mercier at oslandia dot com | ||
***************************************************************************/ | ||
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/*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
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#include "qgsapplication.h" | ||
#include "qgscomposition.h" | ||
#include "qgscompositionchecker.h" | ||
#include "qgscomposermap.h" | ||
#include "qgscomposerlabel.h" | ||
#include "qgsmaplayerregistry.h" | ||
#include "qgsmaprenderer.h" | ||
#include "qgsvectorlayer.h" | ||
#include "qgsvectordataprovider.h" | ||
#include "qgssymbolv2.h" | ||
#include "qgssinglesymbolrendererv2.h" | ||
#include <QObject> | ||
#include <QtTest> | ||
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class TestQgsComposerMapAtlas: 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. | ||
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// test filename pattern evaluation | ||
void filename(); | ||
// test rendering with an autoscale atlas | ||
void autoscale_render(); | ||
// test rendering with a fixed scale atlas | ||
void fixedscale_render(); | ||
private: | ||
QgsComposition* mComposition; | ||
QgsComposerLabel* mLabel1; | ||
QgsComposerLabel* mLabel2; | ||
QgsComposerMap* mAtlasMap; | ||
QgsComposerMap* mOverview; | ||
QgsMapRenderer* mMapRenderer; | ||
QgsVectorLayer* mVectorLayer; | ||
}; | ||
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void TestQgsComposerMapAtlas::initTestCase() | ||
{ | ||
QgsApplication::init(); | ||
QgsApplication::initQgis(); | ||
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//create maplayers from testdata and add to layer registry | ||
QFileInfo vectorFileInfo( QString( TEST_DATA_DIR ) + QDir::separator() + "france_parts.shp" ); | ||
mVectorLayer = new QgsVectorLayer( vectorFileInfo.filePath(), | ||
vectorFileInfo.completeBaseName(), | ||
"ogr" ); | ||
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QgsMapLayerRegistry::instance()->addMapLayers( QList<QgsMapLayer*>() << mVectorLayer ); | ||
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//create composition with composer map | ||
mMapRenderer = new QgsMapRenderer(); | ||
mMapRenderer->setLayerSet( QStringList() << mVectorLayer->id() ); | ||
mMapRenderer->setProjectionsEnabled( true ); | ||
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// select epsg:2154 | ||
QgsCoordinateReferenceSystem crs; | ||
crs.createFromSrid( 2154 ); | ||
mMapRenderer->setDestinationCrs( crs ); | ||
mComposition = new QgsComposition( mMapRenderer ); | ||
mComposition->setPaperSize( 297, 210 ); //A4 landscape | ||
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// fix the renderer, fill with green | ||
QgsStringMap props; | ||
props.insert( "color", "0,127,0" ); | ||
QgsFillSymbolV2* fillSymbol = QgsFillSymbolV2::createSimple( props ); | ||
QgsSingleSymbolRendererV2* renderer = new QgsSingleSymbolRendererV2( fillSymbol ); | ||
mVectorLayer->setRendererV2( renderer ); | ||
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// the atlas map | ||
mAtlasMap = new QgsComposerMap( mComposition, 20, 20, 130, 130 ); | ||
mAtlasMap->setFrameEnabled( true ); | ||
mAtlasMap->setAtlasCoverageLayer( mVectorLayer ); | ||
mComposition->addComposerMap( mAtlasMap ); | ||
mComposition->setAtlasMap( mAtlasMap ); | ||
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// an overview | ||
mOverview = new QgsComposerMap( mComposition, 180, 20, 50, 50 ); | ||
mOverview->setFrameEnabled( true ); | ||
mOverview->setOverviewFrameMap( mAtlasMap->id() ); | ||
mComposition->addComposerMap( mOverview ); | ||
mOverview->setNewExtent( QgsRectangle( 49670.718, 6415139.086, 699672.519, 7065140.887 ) ); | ||
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// header label | ||
mLabel1 = new QgsComposerLabel( mComposition ); | ||
mComposition->addComposerLabel( mLabel1 ); | ||
mLabel1->setText( "[% \"NAME_1\" %] area" ); | ||
mLabel1->adjustSizeToText(); | ||
mLabel1->setItemPosition( 150, 5 ); | ||
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// feature number label | ||
mLabel2 = new QgsComposerLabel( mComposition ); | ||
mComposition->addComposerLabel( mLabel2 ); | ||
mLabel2->setText( "# [%$feature || ' / ' || $numfeatures%]" ); | ||
mLabel2->adjustSizeToText(); | ||
mLabel2->setItemPosition( 150, 200 ); | ||
} | ||
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void TestQgsComposerMapAtlas::cleanupTestCase() | ||
{ | ||
/* delete mComposition; | ||
delete mComposerMap; | ||
delete mLabel1; | ||
delete mLabel2; | ||
delete mMapRenderer; | ||
delete mVectorLayer; | ||
*/ | ||
} | ||
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void TestQgsComposerMapAtlas::init() | ||
{ | ||
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} | ||
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void TestQgsComposerMapAtlas::cleanup() | ||
{ | ||
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} | ||
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void TestQgsComposerMapAtlas::filename() | ||
{ | ||
QgsAtlasRendering atlasRender( mComposition ); | ||
atlasRender.begin( "'output_' || $feature" ); | ||
for ( size_t fi = 0; fi < atlasRender.numFeatures(); ++fi ) | ||
{ | ||
atlasRender.prepareForFeature( fi ); | ||
QString expected = QString( "output_%1" ).arg( (int)(fi+1) ); | ||
QCOMPARE( atlasRender.currentFilename(), expected ); | ||
} | ||
atlasRender.end(); | ||
} | ||
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void TestQgsComposerMapAtlas::autoscale_render() | ||
{ | ||
mAtlasMap->setAtlasFixedScale( false ); | ||
mAtlasMap->setAtlasMargin( 0.10 ); | ||
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QgsAtlasRendering atlasRender( mComposition ); | ||
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atlasRender.begin(); | ||
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for ( size_t fit = 0; fit < 2; ++fit ) | ||
{ | ||
atlasRender.prepareForFeature( fit ); | ||
mLabel1->adjustSizeToText(); | ||
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QgsCompositionChecker checker( "Atlas autoscale test", mComposition, | ||
QString( TEST_DATA_DIR ) + QDir::separator() + "control_images" + QDir::separator() + | ||
"expected_composermapatlas" + QDir::separator() + | ||
QString( "autoscale_%1.png" ).arg((int)fit) ); | ||
QVERIFY( checker.testComposition( 0 ) ); | ||
} | ||
atlasRender.end(); | ||
} | ||
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void TestQgsComposerMapAtlas::fixedscale_render() | ||
{ | ||
mAtlasMap->setNewExtent( QgsRectangle( 209838.166, 6528781.020, 610491.166, 6920530.620 ) ); | ||
mAtlasMap->setAtlasFixedScale( true ); | ||
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QgsAtlasRendering atlasRender( mComposition ); | ||
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atlasRender.begin(); | ||
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for ( size_t fit = 0; fit < 2; ++fit ) | ||
{ | ||
atlasRender.prepareForFeature( fit ); | ||
mLabel1->adjustSizeToText(); | ||
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QgsCompositionChecker checker( "Atlas fixedscale test", mComposition, | ||
QString( TEST_DATA_DIR ) + QDir::separator() + "control_images" + QDir::separator() + | ||
"expected_composermapatlas" + QDir::separator() + | ||
QString( "fixedscale_%1.png" ).arg((int)fit) ); | ||
QVERIFY( checker.testComposition( 0 ) ); | ||
} | ||
atlasRender.end(); | ||
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} | ||
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QTEST_MAIN( TestQgsComposerMapAtlas ) | ||
#include "moc_testqgscomposermapatlas.cxx" |
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