示例#1
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    def test_apply_transform(self):
        translatable = Translatable((10, 20))
        angle = 145
        rotatable = Rotatable(angle)
        self.__backend.create_canvas()

        self.__backend.push_surface()
        self.__backend.apply_transform(translatable)
        matrix = self.__backend.ctx().get_matrix()
        assert matrix[4] == 10
        assert matrix[5] == 20
        self.__backend.pop_surface()

        self.__backend.push_surface()
        self.__backend.apply_transform(rotatable)
        matrix = self.__backend.ctx().get_matrix()
        c = math.cos(math.radians(angle))
        s = math.sin(math.radians(angle))
        assert sum(map(operator.sub, matrix, (c, s, -1 * s, c, 0, 0))) == 0
        self.__backend.pop_surface()
示例#2
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 def test_init(self):
     rotatable = Rotatable()
     assert rotatable != None
     assert rotatable.angle() == 0
示例#3
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 def test_angle(self):
     rotatable = Rotatable()
     rotatable.set_angle(46)
     assert rotatable.angle() == 46
     rotatable.set_angle(-170)
     assert rotatable.angle() == -170
示例#4
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 def test_init(self):
     rotatable = Rotatable()
     assert rotatable != None
     assert rotatable.angle() == 0
示例#5
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 def test_angle(self):
     rotatable = Rotatable()
     rotatable.set_angle(46)
     assert rotatable.angle() == 46
     rotatable.set_angle(-170)
     assert rotatable.angle() == -170