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Add python composition checker and composermap test
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INCLUDE(UsePythonTest) | ||
ADD_PYTHON_TEST(PyQGisApp test_qgisapp.py) | ||
ADD_PYTHON_TEST(PyQgsComposerMap test_qgscomposermap.py) | ||
ADD_PYTHON_TEST(PyQgsGeometry test_qgsgeometry.py) |
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# -*- coding: utf-8 -*- | ||
''' | ||
qgscompositionchecker.py - check rendering of Qgscomposition against an expected image | ||
-------------------------------------- | ||
Date : 31 Juli 2012 | ||
Copyright : (C) 2012 by Dr. Horst Düster / Dr. Marco Hugentobler | ||
email : horst.duester@sourcepole.ch | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
''' | ||
from PyQt4.QtCore import * | ||
from PyQt4.QtGui import * | ||
from qgis.core import * | ||
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class QgsCompositionChecker: | ||
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def testComposition(self, mTestName, mComposition, mExpectedImageFile, page=0 ): | ||
if ( mComposition == None): | ||
return false | ||
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#load expected image | ||
expectedImage = QImage( mExpectedImageFile ) | ||
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#get width/height, create image and render the composition to it | ||
width = expectedImage.width(); | ||
height = expectedImage.height(); | ||
outputImage = QImage( QSize( width, height ), QImage.Format_ARGB32 ) | ||
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mComposition.setPlotStyle( QgsComposition.Print ) | ||
outputImage.setDotsPerMeterX( expectedImage.dotsPerMeterX() ) | ||
outputImage.setDotsPerMeterY( expectedImage.dotsPerMeterX() ) | ||
outputImage.fill( 0 ) | ||
p = QPainter( outputImage ) | ||
mComposition.renderPage( p, page ) | ||
p.end() | ||
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renderedFilePath = QDir.tempPath() + QDir.separator() + QFileInfo( mExpectedImageFile ).baseName() + "_rendered_python.png" | ||
outputImage.save( renderedFilePath, "PNG" ) | ||
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diffFilePath = QDir.tempPath() + QDir.separator() + QFileInfo( mExpectedImageFile ).baseName() + "_diff_python.png" | ||
testResult = self.compareImages( expectedImage, outputImage, diffFilePath ) | ||
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# myDashMessage = "<DartMeasurementFile name=\"Rendered Image " + mTestName + "\" | ||
# " type=\"image/png\">" + renderedFilePath + | ||
# "</DartMeasurementFile>" | ||
# "<DartMeasurementFile name=\"Expected Image " + mTestName + "\" type=\"image/png\">" + | ||
# mExpectedImageFile + "</DartMeasurementFile>" | ||
# "<DartMeasurementFile name=\"Difference Image " + mTestName + "\" type=\"image/png\">" + | ||
# diffFilePath + "</DartMeasurementFile>" | ||
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return testResult | ||
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def compareImages( self, imgExpected, imgRendered, differenceImagePath ): | ||
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if ( imgExpected.width() != imgRendered.width() or imgExpected.height() != imgRendered.height() ): | ||
return false | ||
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imageWidth = imgExpected.width() | ||
imageHeight = imgExpected.height() | ||
mismatchCount = 0 | ||
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differenceImage = QImage( imageWidth, imageHeight, QImage.Format_ARGB32_Premultiplied ) | ||
differenceImage.fill( qRgb( 152, 219, 249 ) ) | ||
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pixel1 = QColor().rgb() | ||
pixel2 = QColor().rgb() | ||
for i in range( imageHeight ): | ||
for j in range( imageWidth ): | ||
pixel1 = imgExpected.pixel( j, i ) | ||
pixel2 = imgRendered.pixel( j, i ) | ||
if ( pixel1 != pixel2 ): | ||
mismatchCount = mismatchCount + 1 | ||
differenceImage.setPixel( j, i, qRgb( 255, 0, 0 ) ) | ||
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if not differenceImagePath.isEmpty(): | ||
differenceImage.save( differenceImagePath, "PNG" ) | ||
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#allow pixel deviation of 1 percent | ||
pixelCount = imageWidth * imageHeight; | ||
# print "MismatchCount: "+str(mismatchCount) | ||
# print "PixelCount: "+str(pixelCount) | ||
return (float(mismatchCount) / float(pixelCount) ) < 0.01 | ||
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# -*- coding: utf-8 -*- | ||
''' | ||
test_qgscomposermap.py | ||
-------------------------------------- | ||
Date : 31 Juli 2012 | ||
Copyright : (C) 2012 by Dr. Horst Düster / Dr. Marco Hugentobler | ||
email : horst.duester@sourcepole.ch | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
''' | ||
import unittest | ||
from utilities import * | ||
from PyQt4.QtCore import * | ||
from PyQt4.QtGui import * | ||
from PyQt4.QtXml import * | ||
from qgis.core import * | ||
from qgscompositionchecker import QgsCompositionChecker | ||
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QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp() | ||
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class TestQgsComposerMap(unittest.TestCase): | ||
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def testCase(self): | ||
TEST_DATA_DIR = unitTestDataPath() | ||
rasterFileInfo = QFileInfo(TEST_DATA_DIR+QDir().separator().toAscii()+"landsat.tif") | ||
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(), rasterFileInfo.completeBaseName()) | ||
rasterRenderer = QgsMultiBandColorRenderer( mRasterLayer.dataProvider(), 2, 3, 4 ) | ||
mRasterLayer.setRenderer( rasterRenderer ) | ||
QgsMapLayerRegistry.instance().addMapLayer( mRasterLayer ) | ||
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# create composition with composer map | ||
mMapRenderer = QgsMapRenderer() | ||
layerStringList = QStringList() | ||
layerStringList.append( mRasterLayer.id() ) | ||
mMapRenderer.setLayerSet( layerStringList ) | ||
mMapRenderer.setProjectionsEnabled( False ) | ||
mComposition = QgsComposition( mMapRenderer ) | ||
mComposition.setPaperSize( 297, 210 ) | ||
mComposerMap = QgsComposerMap( mComposition, 20, 20, 200, 100 ) | ||
mComposition.addComposerMap( mComposerMap ) | ||
self.grid(mComposerMap, mComposition, TEST_DATA_DIR) | ||
self.overviewMap(mComposerMap, mComposition, TEST_DATA_DIR) | ||
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def grid(self, mComposerMap, mComposition, TEST_DATA_DIR): | ||
mComposerMap.setNewExtent( QgsRectangle( 781662.375, 3339523.125, 793062.375, 3345223.125 ) ) | ||
mComposerMap.setGridEnabled( True ) | ||
mComposerMap.setGridIntervalX( 2000 ) | ||
mComposerMap.setGridIntervalY( 2000 ) | ||
mComposerMap.setShowGridAnnotation( True ) | ||
mComposerMap.setGridPenWidth( 0.5 ) | ||
mComposerMap.setGridAnnotationPrecision( 0 ) | ||
mComposerMap.setGridAnnotationPosition( QgsComposerMap.Disabled, QgsComposerMap.Left ) | ||
mComposerMap.setGridAnnotationPosition( QgsComposerMap.OutsideMapFrame, QgsComposerMap.Right ) | ||
mComposerMap.setGridAnnotationPosition( QgsComposerMap.Disabled, QgsComposerMap.Top ) | ||
mComposerMap.setGridAnnotationPosition( QgsComposerMap.OutsideMapFrame, QgsComposerMap.Bottom ) | ||
mComposerMap.setGridAnnotationDirection( QgsComposerMap.Horizontal, QgsComposerMap.Right ) | ||
mComposerMap.setGridAnnotationDirection( QgsComposerMap.Horizontal, QgsComposerMap.Bottom ) | ||
checker = QgsCompositionChecker() | ||
testResult = checker.testComposition( "Composer map grid", mComposition, TEST_DATA_DIR + QDir().separator().toAscii() + "control_images" + QDir().separator().toAscii() + "expected_composermap" + QDir().separator().toAscii() + "composermap_landsat_grid.png" ) | ||
mComposerMap.setGridEnabled( False ) | ||
mComposerMap.setShowGridAnnotation( False ) | ||
mTestName = "gaga" | ||
# myMessage = "<DartMeasurementFile name=\"Rendered Image " + mTestName + "\" type=\"image/png\">" + renderedFilePath + "</DartMeasurementFile> <DartMeasurementFile name=\"Expected Image " + mTestName + "\" type=\"image/png\">" + mExpectedImageFile + "</DartMeasurementFile> <DartMeasurementFile name=\"Difference Image " + mTestName + "\" type=\"image/png\">" + diffFilePath + "</DartMeasurementFile>" | ||
assert testResult == True #, myMessage | ||
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def overviewMap(self, mComposerMap, mComposition, TEST_DATA_DIR): | ||
overviewMap = QgsComposerMap( mComposition, 20, 130, 70, 70 ) | ||
mComposition.addComposerMap( overviewMap ) | ||
# zoom in | ||
mComposerMap.setNewExtent( QgsRectangle( 785462.375, 3341423.125, 789262.375, 3343323.125 ) ) | ||
overviewMap.setNewExtent( QgsRectangle( 781662.375, 3339523.125, 793062.375, 3350923.125 ) ) | ||
overviewMap.setOverviewFrameMap( mComposerMap.id() ) | ||
checker = QgsCompositionChecker() | ||
testResult = checker.testComposition( "Composer map overview", mComposition, TEST_DATA_DIR + QDir().separator().toAscii() +"control_images" + QDir().separator().toAscii() + "expected_composermap" + QDir().separator().toAscii() + "composermap_landsat_overview.png" ) | ||
mComposition.removeComposerItem( overviewMap ) | ||
assert testResult == True | ||
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# def uniqueId(self, mComposerMap, mComposition): | ||
# doc = QDomDocument() | ||
# documentElement = doc.createElement( "ComposerItemClipboard" ) | ||
# mComposerMap.writeXML( documentElement, doc ) | ||
# mComposition.addItemsFromXML( documentElement, doc, 0, false ) | ||
# | ||
# #test if both composer maps have different ids | ||
# newMap = QgsComposerMap() | ||
# mapList = mComposition.composerMapItems() | ||
# | ||
# for mapIt in mapList: | ||
# if mapIt != mComposerMap: | ||
# newMap = mapIt | ||
# break | ||
# | ||
# oldId = mComposerMap.id() | ||
# newId = newMap.id() | ||
# | ||
# mComposition.removeComposerItem( newMap ); | ||
# print "old: "+str(oldId) | ||
# print "new "+str(newId) | ||
# assert oldId != newId | ||
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if __name__ == '__main__': | ||
unittest.main() | ||
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