def test_orthogonal_line_split_segment(self):
canvas = Canvas()
line = Line()
canvas.add(line)
assert len(canvas.solver._constraints) == 0
line.orthogonal = True
assert len(canvas.solver._constraints) == 2
after_ortho = set(canvas.solver._constraints)
assert len(line.handles()) == 3
del undo_list[:]
line.split_segment(0)
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
undo()
assert len(canvas.solver._constraints) == 2
assert len(line.handles()) == 3
assert canvas.solver._constraints == after_ortho
line.split_segment(0)
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
after_split = set(canvas.solver._constraints)
del undo_list[:]
line.merge_segment(0)
assert len(canvas.solver._constraints) == 2
assert len(line.handles()) == 3
undo()
assert len(canvas.solver._constraints) == 3
assert len(line.handles()) == 4
assert canvas.solver._constraints == after_split
def test_bounding_box_calculations(self):
"""
A view created before and after the canvas is populated should contain
the same data.
"""
canvas = Canvas()
window1 = gtk.Window(gtk.WINDOW_TOPLEVEL)
view1 = GtkView(canvas=canvas)
window1.add(view1)
view1.realize()
window1.show_all()
box = Box()
box.matrix = (1.0, 0.0, 0.0, 1, 10,10)
canvas.add(box)
line = Line()
line.fyzzyness = 1
line.handles()[1].pos = (30, 30)
line.split_segment(0, 3)
line.matrix.translate(30, 60)
canvas.add(line)
window2 = gtk.Window(gtk.WINDOW_TOPLEVEL)
view2 = GtkView(canvas=canvas)
window2.add(view2)
window2.show_all()
# Process pending (expose) events, which cause the canvas to be drawn.
while gtk.events_pending():
gtk.main_iteration()
try:
assert view2.get_item_bounding_box(box)
assert view1.get_item_bounding_box(box)
assert view1.get_item_bounding_box(box) == view2.get_item_bounding_box(box), '%s != %s' % (view1.get_item_bounding_box(box), view2.get_item_bounding_box(box))
assert view1.get_item_bounding_box(line) == view2.get_item_bounding_box(line), '%s != %s' % (view1.get_item_bounding_box(line), view2.get_item_bounding_box(line))
finally:
window1.destroy()
window2.destroy()
