vispy.app.tests.test_canvas module#

vispy.app.tests.test_canvas.test_blend_presets(preset)#

Test blending presets a canvas to an array.

Different blending presets are used to test that they properly set blend equations.

vispy.app.tests.test_canvas.test_canvas_render(blend_func)#

Test rendering a canvas to an array.

Different blending functions are used to test what various Visuals may produce without actually using different types of Visuals.