Changed icons

Changed icons as per request, renamed the file references and files to be based around 'zoom' rather than 'magifying' as that has extra connotations.

nion/swift/DocumentController.py

@@ -3292,8 +3292,8 @@ def execute(self, context: Window.ActionContext) -> Window.ActionResult:
 Window.register_action(SetToolModeAction("wedge", _("Wedge"), "wedge_icon.png", _("Wedge tool for creating wedge masks")))
 Window.register_action(SetToolModeAction("ring", _("Ring"), "annular_ring.png", _("Ring tool for creating ring masks")))
 Window.register_action(SetToolModeAction("lattice", _("Lattice"), "lattice_icon.png", _("Lattice tool for creating periodic lattice masks")))
-Window.register_action(SetToolModeAction("zoom-in", _("Zoom In"), "mag_glass_in.png", _("Zoom in on image")))
-Window.register_action(SetToolModeAction("zoom-out", _("Zoom Out"), "mag_glass_out.png", _("Zoom out on image")))
+Window.register_action(SetToolModeAction("zoom-in", _("Zoom In"), "zoom_in.png", _("Zoom in on image")))
+Window.register_action(SetToolModeAction("zoom-out", _("Zoom Out"), "zoom_out.png", _("Zoom out on image")))
 
 class WorkspaceChangeSplits(Window.Action):
     # this is for internal testing only. since it requires passing the splitter and splits,

nion/swift/test/ImageCanvasItem_test.py

@@ -307,9 +307,11 @@ def test_zoom_tool_on_one_image_of_multiple_displays(self):
             # run test
             document_controller.tool_mode = "zoom-in"
             display_panel.display_canvas_item.simulate_press((100, 125))
+            display_panel.display_canvas_item.simulate_release((100, 125))
 
             document_controller.tool_mode = "zoom-out"
             display_panel.display_canvas_item.simulate_press((125, 100))
+            display_panel.display_canvas_item.simulate_release((125, 100))
 
 if __name__ == '__main__':
     logging.getLogger().setLevel(logging.DEBUG)