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dakcartodakcarto
committedOct 14, 2012
Initial test for PAL engine
- Includes small custom test font based of off Gnu Free Sans - Test if font can be stored and loaded - Test if layer can have PAL engine set - Test render comparison for output of vector line layer
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ltr-3_40Before-merge-new_vector_api
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‎tests/src/python/CMakeLists.txt

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@@ -17,3 +17,4 @@ ADD_PYTHON_TEST(PyQgsSymbolLayerV2 test_qgssymbollayerv2.py)
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ADD_PYTHON_TEST(PyQgsPoint test_qgspoint.py)
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ADD_PYTHON_TEST(PyQgsAtlasComposition test_qgsatlascomposition.py)
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ADD_PYTHON_TEST(PyQgsComposerLabel test_qgscomposerlabel.py)
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ADD_PYTHON_TEST(PyQgsPalLabeling test_qgspallabeling.py)

‎tests/src/python/test_qgspallabeling.py

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# -*- coding: utf-8 -*-
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"""QGIS Unit tests for QgsPalLabeling
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.. note:: 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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__author__ = 'Larry Shaffer'
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__date__ = '12/10/2012'
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__copyright__ = 'Copyright 2012, The Quantum GIS Project'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import (QgsPalLabeling,
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QgsPalLayerSettings,
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QgsVectorLayer,
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QgsMapLayerRegistry,
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QgsMapRenderer,
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QgsCoordinateReferenceSystem,
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QgsRenderChecker,
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QGis)
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from utilities import (getQgisTestApp,
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TestCase,
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unittest,
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expectedFailure,
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unitTestDataPath)
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# Convenience instances in case you may need them
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QGISAPP, CANVAS, IFACE, PARENT = getQgisTestApp()
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TEST_DATA_DIR = unitTestDataPath()
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class TestQgsPalLabeling(TestCase):
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@classmethod
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def setUpClass(cls):
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"""Run before all tests"""
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# Store/load the FreeSansQGIS labeling test font
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myFontDB = QFontDatabase()
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cls._testFontID = myFontDB.addApplicationFont(
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os.path.join(TEST_DATA_DIR, 'font', 'FreeSansQGIS.ttf'))
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myMessage = ('\nCould not store test font in font database, '
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'skipping test suite')
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assert cls._testFontID != -1, myMessage
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cls._testFont = myFontDB.font('FreeSansQGIS', 'Medium', 12)
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myAppFont = QApplication.font()
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myMessage = ('\nCould not load test font from font database, '
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'skipping test suite')
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assert cls._testFont.toString() != myAppFont.toString(), myMessage
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# initialize class MapRegistry, Canvas, MapRenderer, Map and PAL
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cls._MapRegistry = QgsMapLayerRegistry.instance()
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cls._Canvas = CANVAS
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# to match render test comparisons background
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cls._Canvas.setCanvasColor(QColor(152, 219, 249))
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cls._Map = cls._Canvas.map()
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cls._Map.resize(QSize(600, 400))
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cls._MapRenderer = cls._Canvas.mapRenderer()
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cls._MapRenderer.setOutputSize(QSize(600, 400), 72)
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cls._Pal = QgsPalLabeling();
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cls._MapRenderer.setLabelingEngine(cls._Pal)
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cls._PalEngine = cls._MapRenderer.labelingEngine()
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myMessage = ('\nCould initialize PAL labeling engine, '
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'skipping test suite')
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assert cls._PalEngine, myMessage
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@classmethod
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def tearDownClass(cls):
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"""Run after all tests"""
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# remove test font
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myFontDB = QFontDatabase()
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myResult = myFontDB.removeApplicationFont(cls._testFontID)
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myMessage = ('\nFailed to remove test font from font database')
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assert myResult, myMessage
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def setUp(self):
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"""Run before each test."""
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pass
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def tearDown(self):
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"""Run after each test."""
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pass
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def test_AddPALToVectorLayer(self):
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"""Check if we can set a label field, verify that PAL is assigned
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and that output is rendered correctly"""
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# TODO: add UTM PAL-specific shps, with 4326 as on-the-fly cross-check
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# setCanvasCrs(26913)
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myShpFile = os.path.join(TEST_DATA_DIR, 'lines.shp')
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myVectorLayer = QgsVectorLayer(myShpFile, 'Lines', 'ogr')
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self._MapRegistry.addMapLayer(myVectorLayer)
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myLayers = QStringList()
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myLayers.append(myVectorLayer.id())
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self._MapRenderer.setLayerSet(myLayers)
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self._MapRenderer.setExtent(myVectorLayer.extent())
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self._Canvas.zoomToFullExtent()
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# check layer labeling is PAL with customProperty access
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# should not be activated on layer load
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myPalSet = myVectorLayer.customProperty( "labeling" ).toString()
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myMessage = '\nExpected: Empty QString\nGot: %s' % (str(myPalSet))
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assert str(myPalSet) == '', myMessage
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# simulate clicking checkbox, setting label field and clicking apply
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self._testFont.setPointSize(20)
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myPalLyr = QgsPalLayerSettings()
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myPalLyr.enabled = True
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myPalLyr.fieldName = 'Name'
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myPalLyr.placement = QgsPalLayerSettings.Line
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myPalLyr.placementFlags = QgsPalLayerSettings.AboveLine
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myPalLyr.xQuadOffset = 0
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myPalLyr.yQuadOffset = 0
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myPalLyr.xOffset = 0
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myPalLyr.yOffset = 0
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myPalLyr.angleOffset = 0
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myPalLyr.centroidWhole = False
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myPalLyr.textFont = self._testFont
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myPalLyr.textNamedStyle = QString("Medium")
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myPalLyr.textColor = Qt.black
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myPalLyr.textTransp = 0
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myPalLyr.previewBkgrdColor = Qt.white
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myPalLyr.priority = 5
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myPalLyr.obstacle = True
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myPalLyr.dist = 0
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myPalLyr.scaleMin = 0
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myPalLyr.scaleMax = 0
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myPalLyr.bufferSize = 1
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myPalLyr.bufferColor = Qt.white
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myPalLyr.bufferTransp = 0
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myPalLyr.bufferNoFill = False
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myPalLyr.bufferJoinStyle = Qt.RoundJoin
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myPalLyr.formatNumbers = False
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myPalLyr.decimals = 3
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myPalLyr.plusSign = False
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myPalLyr.labelPerPart = False
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myPalLyr.displayAll = True
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myPalLyr.mergeLines = False
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myPalLyr.minFeatureSize = 0.0
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myPalLyr.vectorScaleFactor = 1.0
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myPalLyr.rasterCompressFactor = 1.0
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myPalLyr.addDirectionSymbol = False
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myPalLyr.upsidedownLabels = QgsPalLayerSettings.Upright
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myPalLyr.fontSizeInMapUnits = False
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myPalLyr.bufferSizeInMapUnits = False
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myPalLyr.labelOffsetInMapUnits = True
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myPalLyr.distInMapUnits = False
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myPalLyr.wrapChar = ""
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myPalLyr.preserveRotation = True
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myPalLyr.writeToLayer(myVectorLayer)
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# check layer labeling is PAL with customProperty access
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myPalSet = myVectorLayer.customProperty( "labeling" ).toString()
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myMessage = '\nExpected: pal\nGot: %s' % (str(myPalSet))
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assert str(myPalSet) == 'pal', myMessage
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# check layer labeling is PAL via engine interface
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myMessage = '\nCould not get whether PAL enabled from labelingEngine'
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assert self._PalEngine.willUseLayer(myVectorLayer), myMessage
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#
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myChecker = QgsRenderChecker()
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myChecker.setControlName("expected_pal_aboveLineLabeling")
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myChecker.setMapRenderer(self._MapRenderer)
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myResult = myChecker.runTest("pal_aboveLineLabeling_python");
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myMessage = ('\nVector layer \'above line\' label engine '
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'rendering test failed')
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assert myResult, myMessage
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# compare against a straight rendering/save as from QgsMapCanvasMap
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# unnecessary? works a bit different than QgsRenderChecker, though
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# myImage = os.path.join(unicode(QDir.tempPath()),
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# 'render_pal_aboveLineLabeling.png')
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# self._Map.render()
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# self._Canvas.saveAsImage(myImage)
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# myChecker.setRenderedImage(myImage)
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# myResult = myChecker.compareImages("pal_aboveLineLabeling_python")
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# myMessage = ('\nVector layer \'above line\' label engine '
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# 'comparison to QgsMapCanvasMap.render() test failed')
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# assert myResult, myMessage
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self._MapRegistry.removeMapLayer(myVectorLayer.id())
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# @expectedFailure
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# def testIssue####(self):
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# """Test we can .
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# """
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# pass
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if __name__ == '__main__':
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unittest.main()
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‎tests/testdata/control_images/expected_pal_aboveLineLabeling/expected_pal_aboveLineLabeling.png

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‎tests/testdata/font/AUTHORS

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-*- mode:text; coding:utf-8; -*-
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$Id: AUTHORS,v 1.9 2005/12/03 10:56:08 peterlin Exp $
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The free UCS scalable font collection is being maintained by Primo�
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Peterlin <primoz.peterlin AT biofiz.mf.uni-lj.si>. The folowing list
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cites the other contributors that contributed to particular ISO 10646
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blocks.
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* URW++ Design & Development GmbH <http://www.urwpp.de/>
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Basic Latin (U+0041-U+007A)
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Latin-1 Supplement (U+00C0-U+00FF) (most)
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Latin Extended-A (U+0100-U+017F)
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Spacing Modifier Letters (U+02B0-U+02FF)
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Mathematical Operators (U+2200-U+22FF) (parts)
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Block Elements (U+2580-U+259F)
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Dingbats (U+2700-U+27BF)
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* Yannis Haralambous <yannis.haralambous AT enst-bretagne.fr> and John
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Plaice <plaice AT omega.cse.unsw.edu.au>
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Latin Extended-B (U+0180-U+024F)
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IPA Extensions (U+0250-U+02AF)
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Greek (U+0370-U+03FF)
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Armenian (U+0530-U+058F)
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Hebrew (U+0590-U+05FF)
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Arabic (U+0600-U+06FF)
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Currency Symbols (U+20A0-U+20CF)
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Arabic Presentation Forms-A (U+FB50-U+FDFF)
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Arabic Presentation Forms-B (U+FE70-U+FEFF)
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* Young U. Ryu <ryoung AT utdallas.edu>
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Arrows (U+2190-U+21FF)
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Mathematical Symbols (U+2200-U+22FF)
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* Valek Filippov <frob AT df.ru>
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Cyrillic (U+0400-U+04FF)
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* Wadalab Kanji Comittee
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Hiragana (U+3040-U+309F)
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Katakana (U+30A0-U+30FF)
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* Angelo Haritsis <ah AT computer.org>
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Greek (U+0370-U+03FF)
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* Yannis Haralambous and Virach Sornlertlamvanich
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Thai (U+0E00-U+0E7F)
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* Shaheed R. Haque <srhaque AT iee.org>
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Bengali (U+0980-U+09FF)
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* Sam Stepanyan <sam AT arminco.com>
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Armenian (U+0530-U+058F)
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* Mohamed Ishan <ishan AT mitf.f2s.com>
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Thaana (U+0780-U+07BF)
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* Sushant Kumar Dash <sushant AT writeme.com>
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Oriya (U+0B00-U+0B7F)
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* Harsh Kumar <harshkumar AT vsnl.com>
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Devanagari (U+0900-U+097F)
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Bengali (U+0980-U+09FF)
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Gurmukhi (U+0A00-U+0A7F)
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Gujarati (U+0A80-U+0AFF)
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* Prasad A. Chodavarapu <chprasad AT hotmail.com>
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Telugu (U+0C00-U+0C7F)
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* Frans Velthuis <velthuis AT rc.rug.nl> and Anshuman Pandey
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<apandey AT u.washington.edu>
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Devanagari (U+0900-U+097F)
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* Hardip Singh Pannu <HSPannu AT aol.com>
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Gurmukhi (U+0A00-U+0A7F)
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* Jeroen Hellingman <jehe AT kabelfoon.nl>
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Oriya (U+0B00-U+0B7F)
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Malayalam (U+0D00-U+0D7F)
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* Thomas Ridgeway <email needed>
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Tamil (U+0B80-U+0BFF)
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* Berhanu Beyene <1beyene AT informatik.uni-hamburg.de>,
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Prof. Dr. Manfred Kudlek <kudlek AT informatik.uni-hamburg.de>, Olaf
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Kummer <kummer AT informatik.uni-hamburg.de>, and Jochen Metzinger <?>
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Ethiopic (U+1200-U+137F)
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* Maxim Iorsh <iorsh AT users.sourceforge.net>
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Hebrew (U+0590-U+05FF)
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* Vyacheslav Dikonov <sdiconov AT mail.ru>
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Syriac (U+0700-U+074A)
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Braille (U+2800-U+28FF)
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* Panayotis Katsaloulis <panayotis AT panayotis.com>
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Greek Extended (U+1F00-U+1FFF)
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* M.S. Sridhar <mssridhar AT vsnl.com>
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Devanagari (U+0900-U+097F)
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Bengali (U+0980-U+09FF)
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Gurmukhi (U+0A00-U+0A7F)
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Gujarati (U+0A80-U+0AFF)
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Oriya (U+0B00-U+0B7F)
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Tamil (U+0B80-U+0BFF)
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Telugu (U+0C00-U+0C7F)
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Kannada (U+0C80-U+0CFF)
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Malayalam (U+0D00-U+0D7F)
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* DMS Electronics, The Sri Lanka Tipitaka Project, and Noah Levitt
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<nlevitt AT columbia.edu>
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Sinhala (U+0D80-U+0DFF)
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* Dan Shurovich Chirkov <dansh AT chirkov.com>
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Cyrillic (U+0400-U+04FF)
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* Abbas Izad <abbasizad AT hotmail.com>
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Arabic (U+0600-U+06FF)
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Arabic Presentation Forms-A (U+FB50-U+FDFF)
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Arabic Presentation Forms-B (U+FE70-U+FEFF)
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* Denis Jacquerye <moyogo AT gmail.com>
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Latin Extended-B (U+0180-U+024F)
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IPA Extensions (U+0250-U+02AF)
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* K.H. Hussain <hussain AT kfri.org> and R. Chitrajan
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Malayalam (U+0D00-U+0D7F)
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* Solaiman Karim <solaiman AT ekushey.org>
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Bengali (U+0980-U+09FF)
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Please see the CREDITS file for details on who contributed particular
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subsets of the glyphs in font files.

‎tests/testdata/font/COPYING

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‎tests/testdata/font/CREDITS

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‎tests/testdata/font/ChangeLog

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‎tests/testdata/font/FreeSansQGIS-README.txt

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This FreeSans Gnu font has been stripped down to a minimum of characters,
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just matching basic ISO 8859-1 Latin 1 (Western). See FreeSansQGIS-chars.png.
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The family name has been set to FreeSansQGIS so as to never conflict with any
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other installed font on the user's system, when loaded into QFontDatabase.
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DO NOT INSTALL THIS FONT ON YOUR SYSTEM.
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It is intended to be loaded by Qt on-the-fly during tests.

‎tests/testdata/font/FreeSansQGIS-chars.png

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‎tests/testdata/font/FreeSansQGIS.ttf

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‎tests/testdata/font/README

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-*-text-*-
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$Id: README,v 1.2 2005/12/01 15:00:24 peterlin Exp $
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Summary: This project aims to privide a set of free scalable (i.e.,
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OpenType) fonts covering the ISO 10646/Unicode UCS (Universal
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Character Set).
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WHY DO WE NEED FREE SCALABLE UCS FONTS?
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A large number of free software users switched from free X11
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bitmapped fonts to proprietary Microsoft Truetype fonts, as a) they
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used to be freely downloaded from Microsoft Typography page
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<http://www.microsoft.com/typography/free.htm>, b) they contain a more
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or less decent subsed of the ISO 10646 UCS (Universal Character Set),
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c) they are high-quality, well hinted scalable Truetype fonts, and d)
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Freetype <http://www.freetype.org/>, a free high-quality Truetype font
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renderer exists and has been integrated into the latest release of
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XFree86, the free X11 server.
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Building a dependence on non-free software, even a niche one like
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fonts, is dangerous. Microsoft Truetype core fonts are not free, they
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are just costless. For now, at least. Citing the TrueType core fonts
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for the Web FAQ <http://www.microsoft.com/typography/faq/faq8.htm>:
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"You may only redistribute the fonts in their original form (.exe or
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.sit.hqx) and with their original file name from your Web site or
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intranet site. You must not supply the fonts, or any derivative fonts
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based on them, in any form that adds value to commercial products,
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such as CD-ROM or disk based multimedia programs, application software
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or utilities." As of August 2002, however, the fonts are not
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anymore available on the Web, which makes the situation clearer.
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Aren't there any free high-quality scalable fonts? Yes, there are.
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URW++, a German digital typefoundry, released their own version of the
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35 Postscript Type 1 core fonts under GPL as their donation to the
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Ghostscript project <http://www.gimp.org/fonts.html>. The Wadalab
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Kanji comittee has produced Type 1 font files with thousands of
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filigree Japanese glyphs <ftp://ftp.ipl.t.u-tokyo.ac.jp/pub/Font/>.
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Yannis Haralambous has drawn beautiful glyphs for the Omega
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typesetting system <http://omega.cse.unsw.edu.au:8080/>. And so
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on. Scattered around the internet there are numerous other free
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resources for other national scripts, many of them aiming to be a
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suitable match for Latin fonts like Times or Helvetica.
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WHAT DO WE PLAN TO ACHIEVE, AND HOW?
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Our aim is to collect available resources, fill in the missing pieces,
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and provide a set of free high-quality scalable (Opentype) UCS fonts,
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released under GNU General Public License.
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Free UCS scalable fonts will cover the following character sets
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* ISO 8859 parts 1-15
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* CEN MES-3 European Unicode Subset
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http://www.evertype.com/standards/iso10646/pdf/cwa13873.pdf
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* IBM/Microsoft code pages 437, 850, 852, 1250, 1252 and more
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* Microsoft/Adobe Windows Glyph List 4 (WGL4)
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http://partners.adobe.com/asn/developer/opentype/appendices/wgl4.html
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* KOI8-R and KOI8-RU
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* DEC VT100 graphics symbols
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* International Phonetic Alphabet
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* Arabic, Hebrew, Armenian, Georgian, Ethiopian, Thai and Lao alphabets,
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including Arabic presentation forms A/B
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* Japanese Katakana and Hiragana
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* mathematical symbols, including the whole TeX repertoire of symbols
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* APL symbols
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etc.
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A free outline font editor, George Williams's FontForge
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<http://fontforge.sourceforge.net/> will be used for creating new
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glyphs.
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Which font shapes should be made? As historical style terms like
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Renaissance or Baroque letterforms cannot be applied beyond
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Latin/Cyrillic/Greek scripts to any greater extent than Kufi or Nashki
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can be applied beyond Arabic script, a smaller subset of styles will
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be made: one monospaced and two proportional (one with uniform stroke
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and one with modulated) will be made at the start.
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In the beginning, however, we don't believe that Truetype hinting will
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be good enough to compete with neither the hand-crafted bitmapped
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fonts at small sizes, nor with commercial TrueType fonts. A companion
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program for modifying the TrueType font tables, TtfMod, is in the
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works, though: <http://pfaedit.sourceforge.net/TtfMod/>. For
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applications like xterm, users are referred to the existing UCS bitmap
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fonts, <http://www.cl.cam.ac.uk/~mgk25/ucs-fonts.html>.
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LICENSING
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Free UCS scalable fonts is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The fonts are distributed in the hope that they will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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As a special exception, if you create a document which uses this font,
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and embed this font or unaltered portions of this font into the
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document, this font does not by itself cause the resulting document to
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be covered by the GNU General Public License. This exception does not
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however invalidate any other reasons why the document might be covered
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by the GNU General Public License. If you modify this font, you may
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extend this exception to your version of the font, but you are not
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obligated to do so. If you do not wish to do so, delete this exception
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statement from your version.
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WHAT DO THE FILE SUFFICES MEAN?
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The files with .sfd (Spline Font Database) are in FontForge's native
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format. Please use these if you plan to modify the font
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files. FontForge can export these to mostly any existing font file
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format.
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TrueType fonts for immediate consumption are the files with the .ttf
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(TrueType Font) suffix. You can use them directly, e.g. with the X
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font server.
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The files with .ps (PostScript) suffix are not font files at all -
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they are merely PostScript files with glyph tables, which can be used
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for overview, which glyphs are contained in which font file.
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You may have noticed the lacking of PostScript Type 1 (.pfa/.pfb) font
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files. Type 1 format does not support large (> 256) encoding vectors,
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so they can not be used with ISO 10646 encoding. If your printer
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supports it, you can use Type 0 format, though. Please use FontForge
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for conversion to Type 0.
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Primoz Peterlin, <primoz.peterlin@biofiz.mf.uni-lj.si>
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Free UCS scalable fonts: http://savannah.nongnu.org/projects/freefont/

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