Python vecrec.Rect类代码示例

def test_bounding_rect_too_small():
    # Just big enough, should not raise.
    drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
            default_row_height=10,
            default_col_width=10,
    )
    # Too narrow.
    with pytest.raises(UsageError):
        drawing.make_grid(
                Rect.from_size(9, 10),
                num_rows=1,
                num_cols=1,
                default_row_height=10,
                default_col_width=10,
        )
    # Too short.
    with pytest.raises(UsageError):
        drawing.make_grid(
                Rect.from_size(10, 9),
                num_rows=1,
                num_cols=1,
                default_row_height=10,
                default_col_width=10,
        )

def test_padding():
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
            padding=1,
    )
    assert cells == {
            (0,0): Rect(1, 1, 8, 8),
    }

    cells = drawing.make_grid(
            Rect.from_size(10, 11),
            num_rows=2,
            num_cols=1,
            padding=1,
    )
    assert cells == {
            (0,0): Rect(1, 6, 8, 4),
            (1,0): Rect(1, 1, 8, 4),
    }

    cells = drawing.make_grid(
            Rect.from_size(11, 10),
            num_rows=1,
            num_cols=2,
            padding=1
    )
    assert cells == {
            (0,0): Rect(1, 1, 4, 8),
            (0,1): Rect(6, 1, 4, 8),
    }

def test_inner_padding():
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
            inner_padding=1,
    )
    assert cells == {
            (0,0): Rect(0, 0, 10, 10),
    }

    cells = drawing.make_grid(
            Rect.from_size(10, 11),
            num_rows=2,
            num_cols=1,
            inner_padding=1,
    )
    assert cells == {
            (0,0): Rect(0, 6, 10, 5),
            (1,0): Rect(0, 0, 10, 5),
    }

    cells = drawing.make_grid(
            Rect.from_size(11, 10),
            num_rows=1,
            num_cols=2,
            inner_padding=1
    )
    assert cells == {
            (0,0): Rect(0, 0, 5, 10),
            (0,1): Rect(6, 0, 5, 10),
    }

def test_no_shared_state():
    """
    See issue #11.
    """
    grid_1 = drawing.Grid()
    grid_2 = drawing.Grid()
    i, j = 0, 0

    grid_1.set_row_height(i, 1)
    grid_2.set_row_height(i, 2)

    assert grid_1.get_requested_row_height(i) == 1
    assert grid_2.get_requested_row_height(i) == 2

    grid_1.set_col_width(j, 1)
    grid_2.set_col_width(j, 2)

    assert grid_1.get_requested_col_width(j) == 1
    assert grid_2.get_requested_col_width(j) == 2

    rect_1, rect_2 = Rect.from_size(1, 1), Rect.from_size(2, 2)
    assert rect_1 is not rect_2

    grid_1.set_min_cell_rect(i, j, rect_1)
    grid_2.set_min_cell_rect(i, j, rect_2)

    assert grid_1.get_min_cell_rect(i, j) is rect_1
    assert grid_2.get_min_cell_rect(i, j) is rect_2

    def do_draw_hands(self):
        # We're hard-coding the radii of the hands here.  Probably it would be 
        # better to make separate attributes for these, but I think that would 
        # start to detract from the clarity of the example.

        rects = {
            'hour': Rect.from_size(self.custom_hour_hand_width, self.radius/2),
            'min': Rect.from_size(self.custom_minute_hand_width, self.radius),
            'sec': Rect.from_size(self.custom_second_hand_width, self.radius),
        }

        # The clock hands all start pointing towards 12:00, and the rotations 
        # are clockwise, so 90° is 3:00, 180° is 6:00, 270° is 9:00, etc.

        now = datetime.datetime.now()
        angles = {
            'hour': 360 * now.hour / 12,
            'min': 360 * now.minute / 60,
            'sec': 360 * now.second / 60,
        }

        for k in self._hands:
            rects[k].bottom = 0
            rects[k].center_x = 0

            self._hands[k].rect = rects[k]
            self._hands[k].group.angle = angles[k]
            self._hands[k].color = self._color
            self._hands[k].show()

def test_parent_changed():
    child, parent = Rect.null(), Rect.null()

    def change_parent(child_rect, parent_rect):
        parent_rect.left += 1

    with pytest.raises(RuntimeError, match='change_parent'):
        glooey.drawing.align(change_parent, child, parent)

def test_not_enough_cols():
    with pytest.raises(UsageError):
        drawing.make_grid(
                Rect.null(),
                cells={
                    (0,1): Rect.null(),
                },
                num_rows=1,
                num_cols=1,
        )

def test_negative_sizes():
    # Initially I thought this should be an error, but then I decided that it 
    # probably just works as you'd expect it to, and it might be a useful way 
    # to create an overlapping effect or to get rid of padding in certain 
    # places.

    # row_heights can be negative.
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=2,
            num_cols=1,
            row_heights={0: -2},
    )
    assert cells == {
            (0,0): Rect(0, 12, 10, -2),
            (1,0): Rect(0,  0, 10, 12),
    }

    # default_row_height can be negative.
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=2,
            num_cols=1,
            row_heights={1: 'expand'},
            default_row_height=-2,
    )
    assert cells == {
            (0,0): Rect(0, 12, 10, -2),
            (1,0): Rect(0,  0, 10, 12),
    }

    # col_widths can be negative.
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=2,
            col_widths={0: -2},
    )
    assert cells == {
            (0,0): Rect(0, 0, -2, 10),
            (0,1): Rect(-2, 0, 12, 10),
    }

    # default_col_width can be negative.
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=2,
            col_widths={1: 'expand'},
            default_col_width=-2,
    )
    assert cells == {
            (0,0): Rect(0, 0, -2, 10),
            (0,1): Rect(-2, 0, 12, 10),
    }

def test_child_outside_parent():
    child = Rect.from_square(5)
    parent = Rect.from_square(6)

    def move_1px_right(child_rect, parent_rect):
        child_rect.left += 1

    # This should be fine the first time...
    glooey.drawing.align(move_1px_right, child, parent)

    # ...but out-of-bounds the second time.
    with pytest.raises(RuntimeError, match='move_1px_right'):
        glooey.drawing.align(move_1px_right, child, parent)

    def set_images(self, *, color=None, center=None, top=None, bottom=None, 
            left=None, right=None, top_left=None, top_right=None, 
            bottom_left=None, bottom_right=None, vtile=None, htile=None):

        self._color = color
        self._tile_images = {
                ij: img for ij, img in {
                    (0,0): top_left,
                    (0,1): top,
                    (0,2): top_right,
                    (1,0): left,
                    (1,1): center,
                    (1,2): right,
                    (2,0): bottom_left,
                    (2,1): bottom,
                    (2,2): bottom_right,
                }.items()
                if img is not None}

        self._grid.min_cell_rects={
            ij: Rect.from_size(img.width, img.height)
            for ij, img in self._tile_images.items()}

        if vtile is not None: self._vtile = vtile
        if htile is not None: self._htile = htile

        self._update_tiles()

    def __init__(self, rect=None, color='green', *,
            batch=None, group=None, usage='static', hidden=False):

        self._rect = rect or Rect.null()
        self._color = Color.from_anything(color)

        data = 'v2f/' + usage, 'c4B/' + usage
        super().__init__(batch, group, 4, GL_QUADS, data, hidden)

def test_one_cell():
    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
    )
    assert cells == {
            (0,0): Rect(0, 0, 10, 10),
    }

def test_setters():
    grid = drawing.Grid()
    assert grid.make_claim() == (0, 0)

    grid.num_rows = 1
    grid.default_row_height = 10
    assert grid.make_claim() == (0, 10)

    grid.num_cols = 1
    grid.default_col_width = 10
    assert grid.make_claim() == (10, 10)

    grid.padding = 1
    assert grid.make_claim() == (12, 12)

    grid.num_rows = 2
    grid.num_cols = 2
    assert grid.make_claim() == (23, 23)

    grid.set_min_cell_rects({(0,0): Rect.from_size(20, 20)})
    assert grid.make_claim() == (33, 33)

    grid.del_min_cell_rects()
    assert grid.make_claim() == (23, 23)

    grid.set_min_cell_rect(0, 0, Rect.from_size(20, 20))
    assert grid.make_claim() == (33, 33)

    grid.del_min_cell_rect(0, 0)
    assert grid.make_claim() == (23, 23)

    grid.set_row_height(0, 20)
    assert grid.make_claim() == (23, 33)

    grid.del_row_height(0)
    assert grid.make_claim() == (23, 23)

    grid.set_col_width(0, 20)
    assert grid.make_claim() == (33, 23)

    grid.del_col_width(0)
    assert grid.make_claim() == (23, 23)

def test_no_expandable_cells():
    # If the grid can't fill all the space made available to it, it will pack 
    # against the top-left corner.  I chose this corner arbitrarily (although 
    # other corners would've been slightly harder to implement).  I decided 
    # against adding the ability to control how the grid fits in its bounding 
    # box for two reasons.  First, you can get the same effect by simply adding 
    # expandable rows or columns.  Second, you can just change the bounding 
    # box.  Still, it's possible I'll change my mind about this behavior.

    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
            row_heights={0: 2},
            col_widths={0: 2},
    )
    assert cells == {
            (0,0): Rect(0, 8, 2, 2),
    }

    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            num_rows=1,
            num_cols=1,
            default_row_height=2,
            default_col_width=2,
    )
    assert cells == {
            (0,0): Rect(0, 8, 2, 2),
    }

    cells = drawing.make_grid(
            Rect.from_size(10, 10),
            cells={
                (0,0): Rect.from_size(2, 2),
            },
            default_row_height=0,
            default_col_width=0,
    )
    assert cells == {
            (0,0): Rect(0, 8, 2, 2),
    }

def test_make_claim():
    grid = drawing.Grid()
    cells = {
        (0,0): Rect.from_size(1, 2),
        (1,1): Rect.from_size(3, 4),
    }
    assert grid.make_claim(cells) == (6, 8)
    assert grid.make_claim() == (6, 8)
    assert grid.min_width == 6
    assert grid.min_height == 8
    assert grid.min_bounding_rect == Rect(0, 0, 6, 8)

    grid.default_row_height = 0
    grid.default_col_width = 0

    assert grid.make_claim(cells) == (4, 6)
    assert grid.make_claim() == (4, 6)
    assert grid.min_width == 4
    assert grid.min_height == 6
    assert grid.min_bounding_rect == Rect(0, 0, 4, 6)