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a57066a48d
* some sip updates * [API] fix spelling QgsMultiRenderChecker::drawBackround * [API] fix spelling QgsSymbolLayerV2Utils::drawStippledBackround * [API] fix spelling QgsMapSettings::layerTransfrom
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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'''
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qgscompositionchecker.py - check rendering of Qgscomposition against an expected image
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--------------------------------------
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Date : 31 Juli 2012
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Copyright : (C) 2012 by Dr. Horst Düster / Dr. Marco Hugentobler
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email : horst.duester@sourcepole.ch
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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'''
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import qgis
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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class QgsCompositionChecker(QgsMultiRenderChecker):
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def __init__(self, mTestName, mComposition ):
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super(QgsCompositionChecker, self).__init__()
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self.mComposition = mComposition
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self.mTestName = mTestName
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self.mDotsPerMeter = 96 / 25.4 * 1000
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self.mSize = QSize( 1122, 794 )
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self.setColorTolerance( 1 )
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def testComposition(self, page=0, pixelDiff=0 ):
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if ( self.mComposition == None):
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myMessage = "Composition not valid"
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return False, myMessage
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#load expected image
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self.setControlName("expected_"+self.mTestName);
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#get width/height, create image and render the composition to it
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outputImage = QImage( self.mSize, QImage.Format_RGB32 )
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self.mComposition.setPlotStyle( QgsComposition.Print )
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outputImage.setDotsPerMeterX( self.mDotsPerMeter )
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outputImage.setDotsPerMeterY( self.mDotsPerMeter )
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QgsMultiRenderChecker.drawBackground( outputImage )
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p = QPainter( outputImage )
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self.mComposition.renderPage( p, page )
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p.end()
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renderedFilePath = QDir.tempPath() + QDir.separator() + QFileInfo(self.mTestName).baseName() + "_rendered.png"
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outputImage.save( renderedFilePath, "PNG" )
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self.setRenderedImage( renderedFilePath )
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testResult = self.runTest( self.mTestName, pixelDiff )
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return testResult, self.report()
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