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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2017-2021 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""Basic tests for PlotWindow"""
+
+__authors__ = ["T. Vincent"]
+__license__ = "MIT"
+__date__ = "24/04/2018"
+
+
+import numpy
+
+from silx.gui import qt
+from silx.gui.utils.testutils import TestCaseQt
+from silx.gui.plot import items
+
+from silx.gui.plot.ImageView import ImageView
+from silx.gui.colors import Colormap
+
+
+class TestImageView(TestCaseQt):
+ """Tests of ImageView widget."""
+
+ def setUp(self):
+ super(TestImageView, self).setUp()
+ self.plot = ImageView()
+ self.plot.show()
+ self.qWaitForWindowExposed(self.plot)
+
+ def tearDown(self):
+ self.qapp.processEvents()
+ self.plot.setAttribute(qt.Qt.WA_DeleteOnClose)
+ self.plot.close()
+ del self.plot
+ self.qapp.processEvents()
+ super(TestImageView, self).tearDown()
+
+ def testSetImage(self):
+ """Test setImage"""
+ image = numpy.arange(100).reshape(10, 10)
+
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 10))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 10))
+
+ # With reset=False
+ self.plot.setImage(image[::2, ::2], reset=False)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 10))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 10))
+
+ self.plot.setImage(image, origin=(10, 20), scale=(2, 4), reset=False)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 10))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 10))
+
+ # With reset=True
+ self.plot.setImage(image, origin=(1, 2), scale=(1, 0.5), reset=True)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (1, 11))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (2, 7))
+
+ self.plot.setImage(image[::2, ::2], reset=True)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 5))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 5))
+
+ def testColormap(self):
+ """Test get|setColormap"""
+ image = numpy.arange(100).reshape(10, 10)
+ self.plot.setImage(image)
+
+ # Colormap as dict
+ self.plot.setColormap({'name': 'viridis',
+ 'normalization': 'log',
+ 'autoscale': False,
+ 'vmin': 0,
+ 'vmax': 1})
+ colormap = self.plot.getColormap()
+ self.assertEqual(colormap.getName(), 'viridis')
+ self.assertEqual(colormap.getNormalization(), 'log')
+ self.assertEqual(colormap.getVMin(), 0)
+ self.assertEqual(colormap.getVMax(), 1)
+
+ # Colormap as keyword arguments
+ self.plot.setColormap(colormap='magma',
+ normalization='linear',
+ autoscale=True,
+ vmin=1,
+ vmax=2)
+ self.assertEqual(colormap.getName(), 'magma')
+ self.assertEqual(colormap.getNormalization(), 'linear')
+ self.assertEqual(colormap.getVMin(), None)
+ self.assertEqual(colormap.getVMax(), None)
+
+ # Update colormap with keyword argument
+ self.plot.setColormap(normalization='log')
+ self.assertEqual(colormap.getNormalization(), 'log')
+
+ # Colormap as Colormap object
+ cmap = Colormap()
+ self.plot.setColormap(cmap)
+ self.assertIs(self.plot.getColormap(), cmap)
+
+ def testSetProfileWindowBehavior(self):
+ """Test change of profile window display behavior"""
+ self.assertIs(
+ self.plot.getProfileWindowBehavior(),
+ ImageView.ProfileWindowBehavior.POPUP,
+ )
+
+ self.plot.setProfileWindowBehavior('embedded')
+ self.assertIs(
+ self.plot.getProfileWindowBehavior(),
+ ImageView.ProfileWindowBehavior.EMBEDDED,
+ )
+
+ image = numpy.arange(100).reshape(10, 10)
+ self.plot.setImage(image)
+
+ self.plot.setProfileWindowBehavior(
+ ImageView.ProfileWindowBehavior.POPUP
+ )
+ self.assertIs(
+ self.plot.getProfileWindowBehavior(),
+ ImageView.ProfileWindowBehavior.POPUP,
+ )
+
+ def testRGBImage(self):
+ """Test setImage"""
+ image = numpy.arange(100 * 3, dtype=numpy.uint8).reshape(10, 10, 3)
+
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 10))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 10))
+
+ def testRGBAImage(self):
+ """Test setImage"""
+ image = numpy.arange(100 * 4, dtype=numpy.uint8).reshape(10, 10, 4)
+
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.assertEqual(self.plot.getXAxis().getLimits(), (0, 10))
+ self.assertEqual(self.plot.getYAxis().getLimits(), (0, 10))
+
+ def testImageAggregationMode(self):
+ """Test setImage"""
+ image = numpy.arange(100).reshape(10, 10)
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.plot.getAggregationModeAction().setAggregationMode(items.ImageDataAggregated.Aggregation.MAX)
+ self.qWait(100)
+
+ def testImageAggregationModeBackToNormalMode(self):
+ """Test setImage"""
+ image = numpy.arange(100).reshape(10, 10)
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.plot.getAggregationModeAction().setAggregationMode(items.ImageDataAggregated.Aggregation.MAX)
+ self.qWait(100)
+ self.plot.getAggregationModeAction().setAggregationMode(items.ImageDataAggregated.Aggregation.NONE)
+ self.qWait(100)
+
+ def testRGBAInAggregationMode(self):
+ """Test setImage"""
+ image = numpy.arange(100 * 3, dtype=numpy.uint8).reshape(10, 10, 3)
+
+ self.plot.setImage(image, reset=True)
+ self.qWait(100)
+ self.plot.getAggregationModeAction().setAggregationMode(items.ImageDataAggregated.Aggregation.MAX)
+ self.qWait(100)