本文整理汇总了Python中safe_qgis.report.map.Map.draw_image方法的典型用法代码示例。如果您正苦于以下问题：Python Map.draw_image方法的具体用法？Python Map.draw_image怎么用？Python Map.draw_image使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类safe_qgis.report.map.Map的用法示例。
在下文中一共展示了Map.draw_image方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_windowsDrawingArtifacts
# 需要导入模块: from safe_qgis.report.map import Map [as 别名]
# 或者: from safe_qgis.report.map.Map import draw_image [as 别名]
def test_windowsDrawingArtifacts(self):
"""Test that windows rendering does not make artifacts"""
# sometimes spurious lines are drawn on the layout
LOGGER.info('Testing windowsDrawingArtifacts')
myPath = unique_filename(
prefix='artifacts',
suffix='.pdf',
dir=temp_dir('test'))
myMap = Map(IFACE)
setup_printer(myPath)
myMap.setup_composition()
myImage = QtGui.QImage(10, 10, QtGui.QImage.Format_RGB32)
myImage.setDotsPerMeterX(dpi_to_meters(300))
myImage.setDotsPerMeterY(dpi_to_meters(300))
#myImage.fill(QtGui.QColor(250, 250, 250))
# Look at the output, you will see antialiasing issues around some
# of the boxes drawn...
# myImage.fill(QtGui.QColor(200, 200, 200))
myImage.fill(200 + 200 * 256 + 200 * 256 * 256)
myFilename = os.path.join(temp_dir(), 'greyBox')
myImage.save(myFilename, 'PNG')
for i in range(10, 190, 10):
myPicture = QgsComposerPicture(myMap.composition)
myPicture.setPictureFile(myFilename)
if qgis_version() >= 10800: # 1.8 or newer
myPicture.setFrameEnabled(False)
else:
myPicture.setFrame(False)
myPicture.setItemPosition(i, # x
i, # y
10, # width
10) # height
myMap.composition.addItem(myPicture)
# Same drawing drawn directly as a pixmap
# noinspection PyCallByClass,PyTypeChecker,PyArgumentList
myPixmapItem = myMap.composition.addPixmap(
QtGui.QPixmap.fromImage(myImage))
myPixmapItem.setOffset(i, i + 20)
# Same drawing using our drawImage Helper
myWidthMM = 1
myMap.draw_image(myImage, myWidthMM, i, i + 40)
myImagePath, _, _ = myMap.render()
# when this test no longer matches our broken render hash
# we know the issue is fixed
myTolerance = 0
myFlag, myMessage = check_images(
'windowsArtifacts',
myImagePath,
myTolerance)
myMessage += ('\nWe want these images to match, if they do not '
'there may be rendering artifacts in windows.\n')
assert myFlag, myMessage