def test_identity(self):
assert Cc.from_pt(1, 1).pt == (1, 1)
assert Cc.from_in(1, 1).inches == (1, 1)
assert Cc.from_cm(1, 1).cm == (1, 1)
assert Cc.from_mm(1, 1).mm == (1, 1)
assert Cc.from_px(1, 1).px == (1, 1)
assert Cc.from_pt(2, 2).pt == (2, 2)
assert Cc.from_in(2, 2).inches == (2, 2)
assert Cc.from_cm(2, 2).cm == (2, 2)
assert Cc.from_mm(2, 2).mm == (2, 2)
assert Cc.from_px(2, 2).px == (2, 2)
def test_output_translate_rotate_scale(self):
path = Path(__file__).parent.joinpath('output/svg_trs.svg')
path.unlink(missing_ok=True)
canvas_builder = CanvasBuilder()
canvas_builder.set_path(path)
canvas_builder.set_size(
Cu.from_cm(4),
Cu.from_cm(4)
)
canvas = canvas_builder.build()
background = Background()
background.color = (0.8, 1, 0.8, 1)
background.draw(canvas)
svg = Svg(Path(__file__).parent.joinpath('test_svg_grid.svg'))
svg_size = svg.read_svg_size()
# Should set the origin of the image to the center.
svg.svg_origin = Cc(svg_size[0] / 2, svg_size[1] / 2)
# Should position the image in the center of the screen.
svg.position = Cc.from_cm(2, 2)
# Should rotate the image clock-wise.
svg.rotation = math.pi / 8
# Resizes the image to almost the size of the canvas, but not exactly.
svg.width = Cu.from_cm(3)
svg.height = Cu.from_cm(3)
svg.draw(canvas)
canvas.close()
assert path.exists()
def test_scale(self):
path = Path(__file__).parent.joinpath('output/svg_scale.svg')
path.unlink(missing_ok=True)
canvas_builder = CanvasBuilder()
canvas_builder.set_path(path)
canvas_builder.set_size(
Cu.from_cm(9),
Cu.from_cm(6)
)
canvas = canvas_builder.build()
background = Background()
background.color = (1, 0.8, 0.8, 1)
background.draw(canvas)
# No scaling
svg = Svg(Path(__file__).parent.joinpath('test_svg.svg'))
svg.position = Cc.from_cm(1, 1)
svg.draw(canvas)
# Scale 2x by height
svg = Svg(Path(__file__).parent.joinpath('test_svg.svg'))
svg.position = Cc.from_cm(5, 1)
svg.width = Cu.from_cm(3)
svg.draw(canvas)
# Scale 2x by height
svg = Svg(Path(__file__).parent.joinpath('test_svg.svg'))
svg.position = Cc.from_cm(1, 4)
svg.height = Cu.from_cm(1)
svg.draw(canvas)
# Scale without ratio preservation
svg = Svg(Path(__file__).parent.joinpath('test_svg.svg'))
svg.position = Cc.from_cm(5, 4)
svg.width = Cu.from_cm(3)
svg.height = Cu.from_cm(1)
svg.draw(canvas)
canvas.close()
assert path.exists()
def test_comparisons(self):
assert Cc.from_in(1, 1).pt[0] > Cc.from_cm(1, 1).pt[0]
assert Cc.from_cm(1, 1).pt[0] > Cc.from_mm(1, 1).pt[0]
assert Cc.from_mm(1, 1).pt[0] > Cc.from_pt(1, 1).pt[0]