def drawLegend(self, theTopOffset):
"""Add a legend to the map using our custom legend renderer.
.. note:: getLegend generates a pixmap in 150dpi so if you set
the map to a higher dpi it will appear undersized.
Args:
theTopOffset - vertical offset at which to begin drawing
Returns:
None
Raises:
None
"""
LOGGER.debug('InaSAFE Map drawLegend called')
myLegend = MapLegend(self.layer, self.pageDpi)
self.legend = myLegend.getLegend()
myPicture1 = QgsComposerPicture(self.composition)
myLegendFilePath = unique_filename(prefix='legend',
suffix='.png',
dir='work')
self.legend.save(myLegendFilePath, 'PNG')
myPicture1.setPictureFile(myLegendFilePath)
myLegendHeight = pointsToMM(self.legend.height(), self.pageDpi)
myLegendWidth = pointsToMM(self.legend.width(), self.pageDpi)
myPicture1.setItemPosition(self.pageMargin,
theTopOffset,
myLegendWidth,
myLegendHeight)
myPicture1.setFrame(False)
self.composition.addItem(myPicture1)
os.remove(myLegendFilePath)
def drawLegend(self, theTopOffset):
"""Add a legend to the map using our custom legend renderer.
.. note:: getLegend generates a pixmap in 150dpi so if you set
the map to a higher dpi it will appear undersized.
Args:
theTopOffset - vertical offset at which to begin drawing
Returns:
None
Raises:
None
"""
LOGGER.debug("InaSAFE Map drawLegend called")
mapLegendAttributes = self.getMapLegendAtributes()
legendNotes = mapLegendAttributes.get("legend_notes", None)
legendUnits = mapLegendAttributes.get("legend_units", None)
legendTitle = mapLegendAttributes.get("legend_title", None)
LOGGER.debug(mapLegendAttributes)
myLegend = MapLegend(self.layer, self.pageDpi, legendTitle, legendNotes, legendUnits)
self.legend = myLegend.getLegend()
myPicture1 = QgsComposerPicture(self.composition)
myLegendFilePath = unique_filename(prefix="legend", suffix=".png", dir="work")
self.legend.save(myLegendFilePath, "PNG")
myPicture1.setPictureFile(myLegendFilePath)
myLegendHeight = pointsToMM(self.legend.height(), self.pageDpi)
myLegendWidth = pointsToMM(self.legend.width(), self.pageDpi)
myPicture1.setItemPosition(self.pageMargin, theTopOffset, myLegendWidth, myLegendHeight)
myPicture1.setFrame(False)
self.composition.addItem(myPicture1)
os.remove(myLegendFilePath)
def drawLegend(self, theTopOffset):
"""Add a legend to the map using our custom legend renderer.
.. note:: getLegend generates a pixmap in 150dpi so if you set
the map to a higher dpi it will appear undersized.
Args:
theTopOffset - vertical offset at which to begin drawing
Returns:
None
Raises:
None
"""
LOGGER.debug('InaSAFE Map drawLegend called')
mapLegendAttributes = self.getMapLegendAtributes()
legendNotes = mapLegendAttributes.get('legend_notes', None)
legendUnits = mapLegendAttributes.get('legend_units', None)
legendTitle = mapLegendAttributes.get('legend_title', None)
LOGGER.debug(mapLegendAttributes)
myLegend = MapLegend(self.layer, self.pageDpi, legendTitle,
legendNotes, legendUnits)
self.legend = myLegend.getLegend()
myPicture1 = QgsComposerPicture(self.composition)
myLegendFilePath = unique_filename(prefix='legend',
suffix='.png',
dir='work')
self.legend.save(myLegendFilePath, 'PNG')
myPicture1.setPictureFile(myLegendFilePath)
myLegendHeight = pointsToMM(self.legend.height(), self.pageDpi)
myLegendWidth = pointsToMM(self.legend.width(), self.pageDpi)
myPicture1.setItemPosition(self.pageMargin, theTopOffset,
myLegendWidth, myLegendHeight)
myPicture1.setFrame(False)
self.composition.addItem(myPicture1)
os.remove(myLegendFilePath)
def test_mmPointConversion(self):
"""Test that conversions between pixel and page dimensions work."""
myDpi = 300
myPixels = 300
myMM = 25.4 # 1 inch
myResult = pointsToMM(myPixels, myDpi)
myMessage = "Expected: %s\nGot: %s" % (myMM, myResult)
assert myResult == myMM, myMessage
myResult = mmToPoints(myMM, myDpi)
myMessage = "Expected: %s\nGot: %s" % (myPixels, myResult)
assert myResult == myPixels, myMessage
def test_mmPointConversion(self):
"""Test that conversions between pixel and page dimensions work."""
myDpi = 300
myPixels = 300
myMM = 25.4 # 1 inch
myResult = pointsToMM(myPixels, myDpi)
myMessage = "Expected: %s\nGot: %s" % (myMM, myResult)
assert myResult == myMM, myMessage
myResult = mmToPoints(myMM, myDpi)
myMessage = "Expected: %s\nGot: %s" % (myPixels, myResult)
assert myResult == myPixels, myMessage
