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Use a checkerboard background in svg cache tests
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nyalldawson committed Mar 29, 2018
1 parent c71347c commit 3f733e7
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Showing 3 changed files with 10 additions and 3 deletions.
@@ -19,9 +19,9 @@
import threading
import http.server
from qgis.PyQt.QtCore import QDir
from qgis.PyQt.QtGui import QColor
from qgis.PyQt.QtGui import QColor, QImage, QPainter

from qgis.core import (QgsSvgCache, QgsRenderChecker, QgsApplication)
from qgis.core import (QgsSvgCache, QgsRenderChecker, QgsApplication, QgsMultiRenderChecker)
from qgis.testing import start_app, unittest
from utilities import unitTestDataPath

@@ -84,7 +84,14 @@ 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"
image.save(file_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)
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