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"""Test SceneWidget"""

__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "06/03/2019"


import pytest

import numpy

from silx.utils.testutils import ParametricTestCase
from silx.gui.utils.testutils import TestCaseQt
from silx.gui import qt

from silx.gui.plot3d.SceneWidget import SceneWidget


@pytest.mark.usefixtures("use_opengl")
class TestSceneWidget(TestCaseQt, ParametricTestCase):
    """Tests SceneWidget picking feature"""

    def setUp(self):
        super(TestSceneWidget, self).setUp()
        self.widget = SceneWidget()
        self.widget.show()
        self.qWaitForWindowExposed(self.widget)

    def tearDown(self):
        self.qapp.processEvents()
        self.widget.setAttribute(qt.Qt.WA_DeleteOnClose)
        self.widget.close()
        del self.widget
        super(TestSceneWidget, self).tearDown()

    def testFogEffect(self):
        """Test fog effect on scene primitive"""
        image = self.widget.addImage(numpy.arange(100).reshape(10, 10))
        scatter = self.widget.add3DScatter(*numpy.random.random(4000).reshape(4, -1))
        scatter.setTranslation(10, 10)
        scatter.setScale(10, 10, 10)

        self.widget.resetZoom("front")
        self.qapp.processEvents()

        self.widget.setFogMode(self.widget.FogMode.LINEAR)
        self.qapp.processEvents()

        self.widget.setFogMode(self.widget.FogMode.NONE)
        self.qapp.processEvents()
