本文整理汇总了Python中qgis.core.QgsRenderChecker.setColorTolerance方法的典型用法代码示例。如果您正苦于以下问题：Python QgsRenderChecker.setColorTolerance方法的具体用法？Python QgsRenderChecker.setColorTolerance怎么用？Python QgsRenderChecker.setColorTolerance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qgis.core.QgsRenderChecker的用法示例。
在下文中一共展示了QgsRenderChecker.setColorTolerance方法的3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: renderCheck
# 需要导入模块: from qgis.core import QgsRenderChecker [as 别名]
# 或者: from qgis.core.QgsRenderChecker import setColorTolerance [as 别名]
def renderCheck(self, mismatch=0, colortol=0, imgpath='', grpprefix=''):
"""Check rendered map canvas or existing image against control image
:mismatch: number of pixels different from control, and still valid
:colortol: maximum difference for each color component including alpha
:imgpath: existing image; if present, skips rendering canvas
:grpprefix: compare test image/rendering against different test group
"""
if not grpprefix:
grpprefix = self._TestGroupPrefix
ctl_path = self.controlImagePath(grpprefix)
if not os.path.exists(ctl_path):
raise OSError('Missing control image: {0}'.format(ctl_path))
chk = QgsRenderChecker()
chk.setControlPathPrefix('expected_' + grpprefix)
chk.setControlName(self._Test)
chk.setColorTolerance(colortol)
ms = self._MapSettings # class settings
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
chk.setMapSettings(ms)
# noinspection PyUnusedLocal
res = False
if imgpath:
res = chk.compareImages(self._Test, mismatch, str(imgpath))
else:
res = chk.runTest(self._Test, mismatch)
if PALREPORT and not res: # don't report ok checks
testname = self._TestGroup + ' . ' + self._Test
PALREPORTS[testname] = str(chk.report().toLocal8Bit())
msg = '\nRender check failed for "{0}"'.format(self._Test)
return res, msg示例2: imageCheck
# 需要导入模块: from qgis.core import QgsRenderChecker [as 别名]
# 或者: from qgis.core.QgsRenderChecker import setColorTolerance [as 别名]
def imageCheck(self, name, reference_image, image):
self.report += "<h2>Render {}</h2>\n".format(name)
temp_dir = QDir.tempPath() + "/"
file_name = temp_dir + "symbol_" + name + ".png"
image.save(file_name, "PNG")
checker = QgsRenderChecker()
checker.setControlPathPrefix("symbolv2")
checker.setControlName("expected_" + reference_image)
checker.setRenderedImage(file_name)
checker.setColorTolerance(2)
result = checker.compareImages(name, 20)
self.report += checker.report()
print(self.report)
return result示例3: imageCheck
# 需要导入模块: from qgis.core import QgsRenderChecker [as 别名]
# 或者: from qgis.core.QgsRenderChecker import setColorTolerance [as 别名]
def imageCheck(self, name, reference_image, image):
self.report += "<h2>Render {}</h2>\n".format(name)
temp_dir = QDir.tempPath() + '/'
file_name = temp_dir + 'svg_' + name + ".png"
output_image = QImage(image.size(), QImage.Format_RGB32)
QgsMultiRenderChecker.drawBackground(output_image)
painter = QPainter(output_image)
painter.drawImage(0, 0, image)
painter.end()
output_image.save(file_name, "PNG")
checker = QgsRenderChecker()
checker.setControlPathPrefix("svg_cache")
checker.setControlName("expected_" + reference_image)
checker.setRenderedImage(file_name)
checker.setColorTolerance(2)
result = checker.compareImages(name, 20)
self.report += checker.report()
print((self.report))
return result