def _initRenderer(self):
# set up a renderer
labeling = QgsPalLabeling()
renderer = QgsMapRenderer()
renderer.setDestinationCrs(self.exportSettings.crs)
renderer.setProjectionsEnabled(True)
renderer.setLabelingEngine(labeling)
# save renderer
self._labeling = labeling
self._renderer = renderer
def _initRenderer(self):
# set up a renderer
labeling = QgsPalLabeling()
renderer = QgsMapRenderer()
renderer.setDestinationCrs(self.context.crs)
renderer.setProjectionsEnabled(True)
renderer.setLabelingEngine(labeling)
# save renderer
self._labeling = labeling
self._renderer = renderer
def testPrintMapFromTemplate(self):
"""Test that we can get a map to render in the template."""
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
myFileInfo = QFileInfo(myPath)
myRasterLayer = QgsRasterLayer(myFileInfo.filePath(),
myFileInfo.completeBaseName())
myRenderer = QgsMultiBandColorRenderer(
myRasterLayer.dataProvider(), 2, 3, 4
)
#mRasterLayer.setRenderer( rasterRenderer )
myPipe = myRasterLayer.pipe()
assert myPipe.set(myRenderer), "Cannot set pipe renderer"
QgsMapLayerRegistry.instance().addMapLayers([myRasterLayer])
myMapRenderer = QgsMapRenderer()
myLayerStringList = []
myLayerStringList.append(myRasterLayer.id())
myMapRenderer.setLayerSet(myLayerStringList)
myMapRenderer.setProjectionsEnabled(False)
myComposition = QgsComposition(myMapRenderer)
myFile = os.path.join(TEST_DATA_DIR, 'template-for-substitution.qpt')
myTemplateFile = file(myFile, 'rt')
myTemplateContent = myTemplateFile.read()
myTemplateFile.close()
myDocument = QDomDocument()
myDocument.setContent(myTemplateContent)
myComposition.loadFromTemplate(myDocument)
# now render the map, first zooming to the raster extents
myMap = myComposition.getComposerMapById(0)
myMessage = ('Map 0 could not be found in template %s', myFile)
assert myMap is not None, myMessage
myExtent = myRasterLayer.extent()
myMap.setNewExtent(myExtent)
myImagePath = os.path.join(str(QDir.tempPath()),
'template_map_render_python.png')
myPageNumber = 0
myImage = myComposition.printPageAsRaster(myPageNumber)
myImage.save(myImagePath)
assert os.path.exists(myImagePath), 'Map render was not created.'
# Not sure if this is a predictable way to test but its quicker than
# rendering.
myFileSize = QFileInfo(myImagePath).size()
myExpectedFileSize = 100000
myMessage = ('Expected file size to be greater than %s, got %s'
' for %s' %
(myExpectedFileSize, myFileSize, myImagePath))
assert myFileSize > myExpectedFileSize, myMessage
def testPrintMapFromTemplate(self):
"""Test that we can get a map to render in the template."""
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
myFileInfo = QFileInfo(myPath)
myRasterLayer = QgsRasterLayer(myFileInfo.filePath(),
myFileInfo.completeBaseName())
myRenderer = QgsMultiBandColorRenderer(
myRasterLayer.dataProvider(), 2, 3, 4
)
#mRasterLayer.setRenderer( rasterRenderer )
myPipe = myRasterLayer.pipe()
assert myPipe.set( myRenderer ), "Cannot set pipe renderer"
QgsMapLayerRegistry.instance().addMapLayers([myRasterLayer])
myMapRenderer = QgsMapRenderer()
myLayerStringList = []
myLayerStringList.append(myRasterLayer.id())
myMapRenderer.setLayerSet(myLayerStringList)
myMapRenderer.setProjectionsEnabled(False)
myComposition = QgsComposition(myMapRenderer)
myFile = os.path.join(TEST_DATA_DIR, 'template-for-substitution.qpt')
myTemplateFile = file(myFile, 'rt')
myTemplateContent = myTemplateFile.read()
myTemplateFile.close()
myDocument = QDomDocument()
myDocument.setContent(myTemplateContent)
myComposition.loadFromTemplate(myDocument)
# now render the map, first zooming to the raster extents
myMap = myComposition.getComposerMapById(0)
myMessage = ('Map 0 could not be found in template %s', myFile)
assert myMap is not None, myMessage
myExtent = myRasterLayer.extent()
myMap.setNewExtent(myExtent)
myImagePath = os.path.join(str(QDir.tempPath()),
'template_map_render_python.png')
myPageNumber = 0
myImage = myComposition.printPageAsRaster(myPageNumber)
myImage.save(myImagePath)
assert os.path.exists(myImagePath), 'Map render was not created.'
# Not sure if this is a predictable way to test but its quicker than
# rendering.
myFileSize = QFileInfo(myImagePath).size()
myExpectedFileSize = 100000
myMessage = ('Expected file size to be greater than %s, got %s'
' for %s' %
(myExpectedFileSize, myFileSize, myImagePath))
assert myFileSize > myExpectedFileSize, myMessage
def createimage(self, extent, crs, outputsize):
render = QgsMapRenderer()
render.setLayerSet(self.loadedlayers.values())
render.setProjectionsEnabled(True)
render.setDestinationCrs(crs)
render.setExtent(extent)
img = QImage(outputsize, QImage.Format_ARGB32_Premultiplied)
img.fill(Qt.transparent) #needed, apparently the QImage() is not empty
painter = QPainter()
painter.begin(img)
painter.setRenderHint(QPainter.Antialiasing)
render.setOutputSize(img.size(), img.logicalDpiX())
log("about to render")
render.render(painter)
log("just rendered")
painter.end()
return img
def testCase(self):
TEST_DATA_DIR = unitTestDataPath()
vectorFileInfo = QFileInfo( TEST_DATA_DIR + "/france_parts.shp")
mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" )
QgsMapLayerRegistry.instance().addMapLayers( [mVectorLayer] )
# create composition with composer map
mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append( mVectorLayer.id() )
mMapRenderer.setLayerSet( layerStringList )
mMapRenderer.setProjectionsEnabled( False )
mComposition = QgsComposition( mMapRenderer )
mComposition.setPaperSize( 297, 210 )
mLabel = QgsComposerLabel( mComposition )
mComposition.addComposerLabel( mLabel )
self.evaluation_test( mComposition, mLabel )
self.feature_evaluation_test( mComposition, mLabel, mVectorLayer )
self.page_evaluation_test( mComposition, mLabel, mVectorLayer )
class TestQgsComposerMap(TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(mRasterLayer.dataProvider(),
2, 3, 4)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testGrid(self):
"""Test that we can create a grid for a map."""
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375,
3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setShowGridAnnotation(True)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridPenColor(QColor(0, 255, 0))
self.mComposerMap.setGridAnnotationPrecision(0)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Left)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame, QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Top)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame, QgsComposerMap.Bottom)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Bottom)
self.mComposerMap.setAnnotationFontColor(QColor(255, 0, 0, 150))
self.mComposerMap.setGridBlendMode(QPainter.CompositionMode_Overlay)
checker = QgsCompositionChecker('composermap_grid', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposerMap.setGridEnabled(False)
self.mComposerMap.setShowGridAnnotation(False)
assert myTestResult == True, myMessage
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375,
3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125, 793062.375,
3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker('composermap_overview',
self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375,
3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125, 793062.375,
3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker('composermap_overview_blending',
self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375,
3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125, 793062.375,
3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker('composermap_overview_invert',
self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375 + 5000, 3341423.125,
789262.375 + 5000, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125, 793062.375,
3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(False)
overviewMap.setOverviewCentered(True)
checker = QgsCompositionChecker('composermap_overview_center',
self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
# Fails because addItemsFromXML has been commented out in sip
@expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
#test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testZebraStyle(self):
self.mComposerMap.setGridFrameStyle(QgsComposerMap.Zebra)
myRectangle = QgsRectangle(785462.375, 3341423.125, 789262.375,
3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setGridFrameWidth(10)
self.mComposerMap.setGridFramePenSize(1)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridFramePenColor(QColor(255, 100, 0, 200))
self.mComposerMap.setGridFrameFillColor1(QColor(50, 90, 50, 100))
self.mComposerMap.setGridFrameFillColor2(QColor(200, 220, 100, 60))
checker = QgsCompositionChecker('composermap_zebrastyle',
self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True, myMessage
def testWorldFileGeneration(self):
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375,
3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setMapRotation(30.0)
self.mComposition.setGenerateWorldFile(True)
self.mComposition.setWorldFileMap(self.mComposerMap)
p = self.mComposition.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0, 6):
assert abs(p[i] - pexpected[i]) < ptolerance[i]
class TestQgsComposerMap(unittest.TestCase):
def __init__(self, methodName):
"""Run once on class initialization."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
mRasterLayer.dataProvider(), 1, 2, 3)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker('composermap_overview', self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker('composermap_overview_blending', self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker('composermap_overview_invert', self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(192, -288, 320, -224)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(False)
overviewMap.setOverviewCentered(True)
checker = QgsCompositionChecker('composermap_overview_center', self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
# Fails because addItemsFromXML has been commented out in sip
@unittest.expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
# test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testWorldFileGeneration(self):
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setMapRotation(30.0)
self.mComposition.setGenerateWorldFile(True)
self.mComposition.setWorldFileMap(self.mComposerMap)
p = self.mComposition.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0, 6):
assert abs(p[i] - pexpected[i]) < ptolerance[i]
class TestQgsComposerMap(unittest.TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'rgb256x256.png')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(mRasterLayer.dataProvider(),
1, 2, 3)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker('composermap_overview',
self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker('composermap_overview_blending',
self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(96, -152, 160, -120)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker('composermap_overview_invert',
self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(192, -288, 320, -224)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(0, -256, 256, 0)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(False)
overviewMap.setOverviewCentered(True)
checker = QgsCompositionChecker('composermap_overview_center',
self.mComposition)
checker.setControlPathPrefix("composer_mapoverview")
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult, myMessage
# Fails because addItemsFromXML has been commented out in sip
@unittest.expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
# test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testWorldFileGeneration(self):
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375,
3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setMapRotation(30.0)
self.mComposition.setGenerateWorldFile(True)
self.mComposition.setWorldFileMap(self.mComposerMap)
p = self.mComposition.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0, 6):
assert abs(p[i] - pexpected[i]) < ptolerance[i]
def testCase(self):
self.TEST_DATA_DIR = unitTestDataPath()
tmppath = tempfile.mkdtemp()
for file in glob.glob(
os.path.join(self.TEST_DATA_DIR, 'france_parts.*')):
shutil.copy(os.path.join(self.TEST_DATA_DIR, file), tmppath)
vectorFileInfo = QFileInfo(tmppath + "/france_parts.shp")
mVectorLayer = QgsVectorLayer(vectorFileInfo.filePath(),
vectorFileInfo.completeBaseName(), "ogr")
QgsMapLayerRegistry.instance().addMapLayers([mVectorLayer])
# create composition with composer map
mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append(mVectorLayer.id())
mMapRenderer.setLayerSet(layerStringList)
mMapRenderer.setProjectionsEnabled(True)
mMapRenderer.setMapUnits(QGis.Meters)
# select epsg:2154
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid(2154)
mMapRenderer.setDestinationCrs(crs)
self.mComposition = QgsComposition(mMapRenderer)
self.mComposition.setPaperSize(297, 210)
# fix the renderer, fill with green
props = {"color": "0,127,0"}
fillSymbol = QgsFillSymbolV2.createSimple(props)
renderer = QgsSingleSymbolRendererV2(fillSymbol)
mVectorLayer.setRendererV2(renderer)
# the atlas map
self.mAtlasMap = QgsComposerMap(self.mComposition, 20, 20, 130, 130)
self.mAtlasMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mAtlasMap)
# the atlas
self.mAtlas = self.mComposition.atlasComposition()
self.mAtlas.setCoverageLayer(mVectorLayer)
self.mAtlas.setEnabled(True)
self.mComposition.setAtlasMode(QgsComposition.ExportAtlas)
# an overview
mOverview = QgsComposerMap(self.mComposition, 180, 20, 50, 50)
mOverview.setFrameEnabled(True)
mOverview.setOverviewFrameMap(self.mAtlasMap.id())
self.mComposition.addComposerMap(mOverview)
nextent = QgsRectangle(49670.718, 6415139.086, 699672.519, 7065140.887)
mOverview.setNewExtent(nextent)
# set the fill symbol of the overview map
props2 = {"color": "127,0,0,127"}
fillSymbol2 = QgsFillSymbolV2.createSimple(props2)
mOverview.setOverviewFrameMapSymbol(fillSymbol2)
# header label
self.mLabel1 = QgsComposerLabel(self.mComposition)
self.mComposition.addComposerLabel(self.mLabel1)
self.mLabel1.setText("[% \"NAME_1\" %] area")
self.mLabel1.setFont(QgsFontUtils.getStandardTestFont())
self.mLabel1.adjustSizeToText()
self.mLabel1.setSceneRect(QRectF(150, 5, 60, 15))
qWarning(
"header label font: %s exactMatch:%s" %
(self.mLabel1.font().toString(), self.mLabel1.font().exactMatch()))
# feature number label
self.mLabel2 = QgsComposerLabel(self.mComposition)
self.mComposition.addComposerLabel(self.mLabel2)
self.mLabel2.setText("# [%$feature || ' / ' || $numfeatures%]")
self.mLabel2.setFont(QgsFontUtils.getStandardTestFont())
self.mLabel2.adjustSizeToText()
self.mLabel2.setSceneRect(QRectF(150, 200, 60, 15))
qWarning(
"feature number label font: %s exactMatch:%s" %
(self.mLabel2.font().toString(), self.mLabel2.font().exactMatch()))
self.filename_test()
self.autoscale_render_test()
self.autoscale_render_test_old_api()
self.fixedscale_render_test()
self.predefinedscales_render_test()
self.hidden_render_test()
shutil.rmtree(tmppath, True)
def saveControlImage(self, tmpimg=''):
# don't save control images for RenderVsOtherOutput (Vs) tests, since
# those control images belong to a different test result
if ('PAL_CONTROL_IMAGE' not in os.environ
or 'Vs' in self._TestGroup):
return
imgpath = self.controlImagePath()
# print "saveControlImage: {0}".format(imgpath)
testdir = os.path.dirname(imgpath)
if not os.path.exists(testdir):
os.makedirs(testdir)
imgbasepath = \
os.path.join(testdir,
os.path.splitext(os.path.basename(imgpath))[0])
for f in glob.glob(imgbasepath + '.*'):
if os.path.exists(f):
os.remove(f)
if tmpimg and os.path.exists(tmpimg):
shutil.copyfile(tmpimg, imgpath)
else:
print '\nsaveControlImage.render(): entered'
print '{0}.{1}'.format(self._TestGroup, self._TestFunction)
ms = self._MapSettings # class settings
""":type: QgsMapSettings"""
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
print 'self._MapSettings...'
print 'ms.layers(): {0}'.format(
[self._MapRegistry.mapLayer(i).name() for i in ms.layers()]
)
print 'ms.outputSize(): {0} x {1}'.format(
ms.outputSize().width(), ms.outputSize().height())
print 'ms.outputDpi(): {0}'.format(ms.outputDpi())
print 'ms.mapUnits(): {0}'.format(ms.mapUnits())
print 'ms.extent(): {0}'.format(ms.extent().toString())
print 'ms.hasCrsTransformEnabled(): {0}'.format(
ms.hasCrsTransformEnabled())
print 'ms.destinationCrs(): {0}'.format(
ms.destinationCrs().authid())
# pal = QgsPalLabeling()
pal = self._Pal.clone() # or custom settings are lost
pal.init(ms)
r = QgsMapRenderer()
r.setLabelingEngine(pal)
# this seems too redundant
r.setOutputSize(ms.outputSize(), ms.outputDpi())
r.setMapUnits(ms.mapUnits())
r.setExtent(ms.extent())
r.setProjectionsEnabled(ms.hasCrsTransformEnabled())
r.setDestinationCrs(ms.destinationCrs())
r.setLayerSet(ms.layers())
ctx = r.rendererContext()
ctx.setDrawEditingInformation(
ms.testFlag(QgsMapSettings.DrawEditingInfo))
ctx.setForceVectorOutput(
ms.testFlag(QgsMapSettings.ForceVectorOutput))
ctx.setUseAdvancedEffects(
ms.testFlag(QgsMapSettings.UseAdvancedEffects))
image = QImage(ms.outputSize(), QImage.Format_ARGB32)
image.fill(ms.backgroundColor().rgb())
image.setDotsPerMeterX(ms.outputDpi() / 25.4 * 1000)
image.setDotsPerMeterY(ms.outputDpi() / 25.4 * 1000)
p = QPainter(image)
r.render(p)
p.end()
if not image.save(imgpath, 'png'):
os.unlink(imgpath)
# delete extraneous world file (always generated)
# wrld_file = imgbasepath + '.PNGw'
# if os.path.exists(wrld_file):
# os.remove(wrld_file)
if not os.path.exists(imgpath):
raise OSError('Control image not created: {0}'.format(imgpath))
class TestQgsComposerMap(TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, "landsat.tif")
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
mRasterLayer.dataProvider(), 2, 3, 4)
mRasterLayer.setRenderer( rasterRenderer )
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), "Cannot set pipe renderer"
QgsMapLayerRegistry.instance().addMapLayer(mRasterLayer)
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = QStringList()
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testGrid(self):
"""Test that we can create a grid for a map."""
myRectangle = QgsRectangle(781662.375, 3339523.125,
793062.375, 3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setShowGridAnnotation(True)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridAnnotationPrecision(0)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Left)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Top)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Bottom)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Bottom)
checker = QgsCompositionChecker()
myPath = os.path.join(TEST_DATA_DIR,
"control_images",
"expected_composermap",
"composermap_landsat_grid.png")
testResult = checker.testComposition("Composer map grid",
self.mComposition, myPath)
self.mComposerMap.setGridEnabled(False)
self.mComposerMap.setShowGridAnnotation(False)
print testResult
assert testResult[0] == True
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
"control_images",
"expected_composermap",
"composermap_landsat_overview.png")
testResult = checker.testComposition("Composer map overview",
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert testResult[0] == True
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
def zebraStyle(self):
mComposerMap.setGridFrameStyle( QgsComposerMap.Zebra )
mComposerMap.setGridEnabled( True )
myPngPath = os.path.join(TEST_DATA_DIR,
"control_images",
"expected_composermap",
"composermap_zebra_style.png")
testResult = checker.testComposition("Composer map zebra",
self.mComposition,
myPngPath)
assert testResult[0] == True
def identify(self, params):
self.check_required_params(params)
feature_collections = []
with change_directory(self.project_root):
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid(params.get('srs'))
search_box = self._calcSearchBox(
params.get('bbox'), params.get('image_size')[0],
params.get('image_size')[1],
params.get('click_point')[0], params.get('click_point')[1]
)
# initialize mapRenderer and a rendering context in order to be
# to check if a feature will actually be rendered
# we don't want to return features that are not visible
img = QImage(QSize(
settings.SUNLUMO_GFI_BUFFER*2, settings.SUNLUMO_GFI_BUFFER*2),
QImage.Format_ARGB32_Premultiplied
)
dpm = 1 / 0.00028
img.setDotsPerMeterX(dpm)
img.setDotsPerMeterY(dpm)
mapRenderer = QgsMapRenderer()
mapRenderer.clearLayerCoordinateTransforms()
mapRenderer.setOutputSize(QSize(
settings.SUNLUMO_GFI_BUFFER*2, settings.SUNLUMO_GFI_BUFFER*2),
img.logicalDpiX()
)
mapRenderer.setDestinationCrs(crs)
mapRenderer.setProjectionsEnabled(True)
mapUnits = crs.mapUnits()
mapRenderer.setMapUnits(mapUnits)
mapExtent = QgsRectangle(*search_box)
mapRenderer.setExtent(mapExtent)
renderContext = QgsRenderContext()
renderContext.setExtent(mapRenderer.extent())
renderContext.setRasterScaleFactor(1.0)
renderContext.setMapToPixel(mapRenderer.coordinateTransform())
renderContext.setRendererScale(mapRenderer.scale())
renderContext.setScaleFactor(mapRenderer.outputDpi() / 25.4)
renderContext.setPainter(None)
qfr = QgsFeatureRequest()
search_rectangle = QgsRectangle(*search_box)
qfr.setFilterRect(search_rectangle)
for q_layer in params.get('query_layers'):
layer = self.layerRegistry.mapLayer(q_layer)
if layer.type() == QgsMapLayer.RasterLayer:
# skip raster layer processing
continue
# update layer fields (expressions, calculated, joined)
layer.updateFields()
scaleCalc = QgsScaleCalculator(
(img.logicalDpiX() + img.logicalDpiY()) / 2,
mapRenderer.destinationCrs().mapUnits()
)
scaleDenom = scaleCalc.calculate(mapExtent, img.width())
# skip the layer if it's not visible at the current map scale
if layer.hasScaleBasedVisibility():
if not(layer.minimumScale()
< scaleDenom < layer.maximumScale()):
continue
# check if features actually intersect search rectangle
intersected_features = self._intersectedFeatures(
layer.getFeatures(qfr), search_rectangle
)
# visible features generator
visible_features = self._visibleFeatures(
layer, renderContext, intersected_features
)
layer_features = [featureToGeoJSON(
feature.id(), feature.geometry(),
self._collectAttributes(layer, feature)
) for feature in visible_features
]
feature_collections.append(layer_features)
return writeGeoJSON(chain(*feature_collections))
def saveControlImage(self, tmpimg=''):
# don't save control images for RenderVsOtherOutput (Vs) tests, since
# those control images belong to a different test result
if ('PAL_CONTROL_IMAGE' not in os.environ or 'Vs' in self._TestGroup):
return
imgpath = self.controlImagePath()
# print "saveControlImage: {0}".format(imgpath)
testdir = os.path.dirname(imgpath)
if not os.path.exists(testdir):
os.makedirs(testdir)
imgbasepath = \
os.path.join(testdir,
os.path.splitext(os.path.basename(imgpath))[0])
for f in glob.glob(imgbasepath + '.*'):
if os.path.exists(f):
os.remove(f)
if tmpimg and os.path.exists(tmpimg):
shutil.copyfile(tmpimg, imgpath)
else:
print '\nsaveControlImage.render(): entered'
print '{0}.{1}'.format(self._TestGroup, self._TestFunction)
ms = self._MapSettings # class settings
""":type: QgsMapSettings"""
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
print 'self._MapSettings...'
print 'ms.layers(): {0}'.format(
[self._MapRegistry.mapLayer(i).name() for i in ms.layers()])
print 'ms.outputSize(): {0} x {1}'.format(ms.outputSize().width(),
ms.outputSize().height())
print 'ms.outputDpi(): {0}'.format(ms.outputDpi())
print 'ms.mapUnits(): {0}'.format(ms.mapUnits())
print 'ms.extent(): {0}'.format(ms.extent().toString())
print 'ms.hasCrsTransformEnabled(): {0}'.format(
ms.hasCrsTransformEnabled())
print 'ms.destinationCrs(): {0}'.format(
ms.destinationCrs().authid())
# pal = QgsPalLabeling()
pal = self._Pal.clone() # or custom settings are lost
pal.init(ms)
r = QgsMapRenderer()
r.setLabelingEngine(pal)
# this seems too redundant
r.setOutputSize(ms.outputSize(), ms.outputDpi())
r.setMapUnits(ms.mapUnits())
r.setExtent(ms.extent())
r.setProjectionsEnabled(ms.hasCrsTransformEnabled())
r.setDestinationCrs(ms.destinationCrs())
r.setLayerSet(ms.layers())
ctx = r.rendererContext()
ctx.setDrawEditingInformation(
ms.testFlag(QgsMapSettings.DrawEditingInfo))
ctx.setForceVectorOutput(
ms.testFlag(QgsMapSettings.ForceVectorOutput))
ctx.setUseAdvancedEffects(
ms.testFlag(QgsMapSettings.UseAdvancedEffects))
image = QImage(ms.outputSize(), QImage.Format_ARGB32)
image.fill(ms.backgroundColor().rgb())
image.setDotsPerMeterX(ms.outputDpi() / 25.4 * 1000)
image.setDotsPerMeterY(ms.outputDpi() / 25.4 * 1000)
p = QPainter(image)
r.render(p)
p.end()
if not image.save(imgpath, 'png'):
os.unlink(imgpath)
# delete extraneous world file (always generated)
# wrld_file = imgbasepath + '.PNGw'
# if os.path.exists(wrld_file):
# os.remove(wrld_file)
if not os.path.exists(imgpath):
raise OSError('Control image not created: {0}'.format(imgpath))
class TestQgsComposerMap(TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
mRasterLayer.dataProvider(), 2, 3, 4)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testGrid(self):
"""Test that we can create a grid for a map."""
myRectangle = QgsRectangle(781662.375, 3339523.125,
793062.375, 3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setShowGridAnnotation(True)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridPenColor(QColor(0,255,0))
self.mComposerMap.setGridAnnotationPrecision(0)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Left)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Top)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Bottom)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Bottom)
self.mComposerMap.setAnnotationFontColor(QColor(255,0,0,150))
self.mComposerMap.setGridBlendMode(QPainter.CompositionMode_Overlay)
checker = QgsCompositionChecker('composermap_grid', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposerMap.setGridEnabled(False)
self.mComposerMap.setShowGridAnnotation(False)
assert myTestResult == True, myMessage
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker('composermap_overview', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker('composermap_overview_blending', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker('composermap_overview_invert', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapCenter(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375+5000, 3341423.125,
789262.375+5000, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(False)
overviewMap.setOverviewCentered(True)
checker = QgsCompositionChecker('composermap_overview_center', self.mComposition)
myTestResult, myMessage = checker.testComposition()
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
# Fails because addItemsFromXML has been commented out in sip
@expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
#test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testZebraStyle(self):
self.mComposerMap.setGridFrameStyle(QgsComposerMap.Zebra)
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent( myRectangle )
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setGridFrameWidth( 10 )
self.mComposerMap.setGridFramePenSize( 1 )
self.mComposerMap.setGridPenWidth( 0.5 )
self.mComposerMap.setGridFramePenColor( QColor( 255, 100, 0, 200 ) )
self.mComposerMap.setGridFrameFillColor1( QColor( 50, 90, 50, 100 ) )
self.mComposerMap.setGridFrameFillColor2( QColor( 200, 220, 100, 60 ) )
checker = QgsCompositionChecker('composermap_zebrastyle', self.mComposition)
myTestResult, myMessage = checker.testComposition()
assert myTestResult == True, myMessage
def testWorldFileGeneration( self ):
myRectangle = QgsRectangle(781662.375, 3339523.125, 793062.375, 3345223.125)
self.mComposerMap.setNewExtent( myRectangle )
self.mComposerMap.setMapRotation( 30.0 )
self.mComposition.setGenerateWorldFile( True )
self.mComposition.setWorldFileMap( self.mComposerMap )
p = self.mComposition.computeWorldFileParameters()
pexpected = (4.180480199790922, 2.4133064516129026, 779443.7612381146,
2.4136013686911886, -4.179969388427311, 3342408.5663611)
ptolerance = (0.001, 0.001, 1, 0.001, 0.001, 1e+03)
for i in range(0,6):
assert abs(p[i]-pexpected[i]) < ptolerance[i]
def testCase(self):
self.TEST_DATA_DIR = unitTestDataPath()
vectorFileInfo = QFileInfo( self.TEST_DATA_DIR + "/france_parts.shp")
mVectorLayer = QgsVectorLayer( vectorFileInfo.filePath(), vectorFileInfo.completeBaseName(), "ogr" )
QgsMapLayerRegistry.instance().addMapLayers( [mVectorLayer] )
# create composition with composer map
mMapRenderer = QgsMapRenderer()
layerStringList = []
layerStringList.append( mVectorLayer.id() )
mMapRenderer.setLayerSet( layerStringList )
mMapRenderer.setProjectionsEnabled( True )
mMapRenderer.setMapUnits( QGis.Meters )
# select epsg:2154
crs = QgsCoordinateReferenceSystem()
crs.createFromSrid( 2154 )
mMapRenderer.setDestinationCrs( crs )
self.mComposition = QgsComposition( mMapRenderer )
self.mComposition.setPaperSize( 297, 210 )
# fix the renderer, fill with green
props = { "color": "0,127,0" }
fillSymbol = QgsFillSymbolV2.createSimple( props )
renderer = QgsSingleSymbolRendererV2( fillSymbol )
mVectorLayer.setRendererV2( renderer )
# the atlas map
self.mAtlasMap = QgsComposerMap( self.mComposition, 20, 20, 130, 130 )
self.mAtlasMap.setFrameEnabled( True )
self.mComposition.addComposerMap( self.mAtlasMap )
# the atlas
self.mAtlas = self.mComposition.atlasComposition()
self.mAtlas.setCoverageLayer( mVectorLayer )
self.mAtlas.setEnabled( True )
self.mComposition.setAtlasMode( QgsComposition.ExportAtlas )
# an overview
mOverview = QgsComposerMap( self.mComposition, 180, 20, 50, 50 )
mOverview.setFrameEnabled( True )
mOverview.setOverviewFrameMap( self.mAtlasMap.id() )
self.mComposition.addComposerMap( mOverview )
nextent = QgsRectangle( 49670.718, 6415139.086, 699672.519, 7065140.887 )
mOverview.setNewExtent( nextent )
# set the fill symbol of the overview map
props2 = { "color": "127,0,0,127" }
fillSymbol2 = QgsFillSymbolV2.createSimple( props2 )
mOverview.setOverviewFrameMapSymbol( fillSymbol2 )
# header label
self.mLabel1 = QgsComposerLabel( self.mComposition )
self.mComposition.addComposerLabel( self.mLabel1 )
self.mLabel1.setText( "[% \"NAME_1\" %] area" )
self.mLabel1.setFont( QgsFontUtils.getStandardTestFont() )
self.mLabel1.adjustSizeToText()
self.mLabel1.setSceneRect( QRectF( 150, 5, 60, 15 ) )
qWarning( "header label font: %s exactMatch:%s" % ( self.mLabel1.font().toString(), self.mLabel1.font().exactMatch() ) )
# feature number label
self.mLabel2 = QgsComposerLabel( self.mComposition )
self.mComposition.addComposerLabel( self.mLabel2 )
self.mLabel2.setText( "# [%$feature || ' / ' || $numfeatures%]" )
self.mLabel2.setFont( QgsFontUtils.getStandardTestFont() )
self.mLabel2.adjustSizeToText()
self.mLabel2.setSceneRect( QRectF( 150, 200, 60, 15 ) )
qWarning( "feature number label font: %s exactMatch:%s" % ( self.mLabel2.font().toString(), self.mLabel2.font().exactMatch() ) )
self.filename_test()
self.autoscale_render_test()
self.autoscale_render_test_old_api()
self.fixedscale_render_test()
self.predefinedscales_render_test()
self.hidden_render_test()
class TestQgsComposerMap(TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
mRasterLayer.dataProvider(), 2, 3, 4)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = QStringList()
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testGrid(self):
"""Test that we can create a grid for a map."""
myRectangle = QgsRectangle(781662.375, 3339523.125,
793062.375, 3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setShowGridAnnotation(True)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridPenColor(QColor(0,255,0))
self.mComposerMap.setGridAnnotationPrecision(0)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Left)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Top)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Bottom)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Bottom)
self.mComposerMap.setAnnotationFontColor(QColor(255,0,0,150))
self.mComposerMap.setGridBlendMode(QPainter.CompositionMode_Overlay)
checker = QgsCompositionChecker()
myPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_grid.png')
myTestResult, myMessage = checker.testComposition('Composer map grid',
self.mComposition, myPath)
self.mComposerMap.setGridEnabled(False)
self.mComposerMap.setShowGridAnnotation(False)
assert myTestResult == True, myMessage
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview_blend.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview blending',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview_invert.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview inverted',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
# Fails because addItemsFromXML has been commented out in sip
@expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
#test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testZebraStyle(self):
self.mComposerMap.setGridFrameStyle(QgsComposerMap.Zebra)
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent( myRectangle )
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_zebra_style.png')
testResult, myMessage = checker.testComposition('Composer map zebra',
self.mComposition,
myPngPath)
assert testResult == True, myMessage
class TestQgsComposerMap(TestCase):
def __init__(self, methodName):
"""Run once on class initialisation."""
unittest.TestCase.__init__(self, methodName)
myPath = os.path.join(TEST_DATA_DIR, 'landsat.tif')
rasterFileInfo = QFileInfo(myPath)
mRasterLayer = QgsRasterLayer(rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName())
rasterRenderer = QgsMultiBandColorRenderer(
mRasterLayer.dataProvider(), 2, 3, 4)
mRasterLayer.setRenderer(rasterRenderer)
#pipe = mRasterLayer.pipe()
#assert pipe.set(rasterRenderer), 'Cannot set pipe renderer'
QgsMapLayerRegistry.instance().addMapLayers([mRasterLayer])
# create composition with composer map
self.mMapRenderer = QgsMapRenderer()
layerStringList = QStringList()
layerStringList.append(mRasterLayer.id())
self.mMapRenderer.setLayerSet(layerStringList)
self.mMapRenderer.setProjectionsEnabled(False)
self.mComposition = QgsComposition(self.mMapRenderer)
self.mComposition.setPaperSize(297, 210)
self.mComposerMap = QgsComposerMap(self.mComposition, 20, 20, 200, 100)
self.mComposerMap.setFrameEnabled(True)
self.mComposition.addComposerMap(self.mComposerMap)
def testGrid(self):
"""Test that we can create a grid for a map."""
myRectangle = QgsRectangle(781662.375, 3339523.125,
793062.375, 3345223.125)
self.mComposerMap.setNewExtent(myRectangle)
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
self.mComposerMap.setShowGridAnnotation(True)
self.mComposerMap.setGridPenWidth(0.5)
self.mComposerMap.setGridAnnotationPrecision(0)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Left)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationPosition(QgsComposerMap.Disabled,
QgsComposerMap.Top)
self.mComposerMap.setGridAnnotationPosition(
QgsComposerMap.OutsideMapFrame,
QgsComposerMap.Bottom)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Right)
self.mComposerMap.setGridAnnotationDirection(QgsComposerMap.Horizontal,
QgsComposerMap.Bottom)
checker = QgsCompositionChecker()
myPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_grid.png')
myTestResult, myMessage = checker.testComposition('Composer map grid',
self.mComposition, myPath)
self.mComposerMap.setGridEnabled(False)
self.mComposerMap.setShowGridAnnotation(False)
assert myTestResult == True, myMessage
def testOverviewMap(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapBlend(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewBlendMode(QPainter.CompositionMode_Multiply)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview_blend.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview blending',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
def testOverviewMapInvert(self):
overviewMap = QgsComposerMap(self.mComposition, 20, 130, 70, 70)
overviewMap.setFrameEnabled(True)
self.mComposition.addComposerMap(overviewMap)
# zoom in
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent(myRectangle)
myRectangle2 = QgsRectangle(781662.375, 3339523.125,
793062.375, 3350923.125)
overviewMap.setNewExtent(myRectangle2)
overviewMap.setOverviewFrameMap(self.mComposerMap.id())
overviewMap.setOverviewInverted(True)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_landsat_overview_invert.png')
myTestResult, myMessage = checker.testComposition(
'Composer map overview inverted',
self.mComposition,
myPngPath)
self.mComposition.removeComposerItem(overviewMap)
assert myTestResult == True, myMessage
# Fails because addItemsFromXML has been commented out in sip
@expectedFailure
def testuniqueId(self):
doc = QDomDocument()
documentElement = doc.createElement('ComposerItemClipboard')
self.mComposition.writeXML(documentElement, doc)
self.mComposition.addItemsFromXML(documentElement, doc, 0, False)
#test if both composer maps have different ids
newMap = QgsComposerMap()
mapList = self.mComposition.composerMapItems()
for mapIt in mapList:
if mapIt != self.mComposerMap:
newMap = mapIt
break
oldId = self.mComposerMap.id()
newId = newMap.id()
self.mComposition.removeComposerItem(newMap)
myMessage = 'old: %s new: %s' % (oldId, newId)
assert oldId != newId, myMessage
def testZebraStyle(self):
self.mComposerMap.setGridFrameStyle(QgsComposerMap.Zebra)
myRectangle = QgsRectangle(785462.375, 3341423.125,
789262.375, 3343323.125)
self.mComposerMap.setNewExtent( myRectangle )
self.mComposerMap.setGridEnabled(True)
self.mComposerMap.setGridIntervalX(2000)
self.mComposerMap.setGridIntervalY(2000)
checker = QgsCompositionChecker()
myPngPath = os.path.join(TEST_DATA_DIR,
'control_images',
'expected_composermap',
'composermap_zebra_style.png')
testResult, myMessage = checker.testComposition('Composer map zebra',
self.mComposition,
myPngPath)
assert testResult == True, myMessage
print("Image size: %dx%d" % (iwidth, iheight))
dpi = args.dpi
img = QImage(iwidth, iheight, QImage.Format_RGB32)
img.setDotsPerMeterX(dpi / 25.4 * 1000)
img.setDotsPerMeterY(dpi / 25.4 * 1000)
img.fill(qRgb(255, 255, 255))
dpi = img.logicalDpiX()
print("Image DPI: %d" % dpi)
render.setOutputSize(QSize(img.width(), img.height()), dpi)
render.setDestinationCrs(crs)
render.setProjectionsEnabled(True)
render.setMapUnits(crs.mapUnits())
render.setExtent(extent)
print("Scale: %f" % render.scale())
painter = QPainter(img)
painter.setRenderHint(QPainter.Antialiasing)
render.render(painter)
painter.end()
ba = QByteArray()
bf = QBuffer(ba)
bf.open(QIODevice.WriteOnly)
img.save(bf, 'PNG')
bf.close()
