qued db4c5dfdf7
feat: coordinate systems (#774)
Added the CoordinateSystem class for tracking the system in which coordinates are represented, and changing the system if desired.
2023-06-20 11:19:55 -05:00

74 lines
2.7 KiB
Python

import pytest
from unstructured.documents.coordinates import (
CoordinateSystem,
Orientation,
RelativeCoordinateSystem,
convert_coordinate,
)
@pytest.mark.parametrize(
("old_t", "old_t_max", "new_t_max", "t_orientation", "expected"),
[(0, 7, 5, 1, 0), (7, 7, 5, 1, 5), (0, 7, 5, -1, 5), (7, 7, 5, -1, 0)],
)
def test_convert_coordinate(old_t, old_t_max, new_t_max, t_orientation, expected):
assert convert_coordinate(old_t, old_t_max, new_t_max, t_orientation) == expected
@pytest.mark.parametrize(
("width", "height", "orientation", "x", "y", "expected_x", "expected_y"),
[
(100, 300, Orientation.CARTESIAN, 0.8, 0.4, 80, 120),
(100, 300, Orientation.SCREEN, 0.8, 0.6, 80, 120),
],
)
def test_convert_from_relative(width, height, orientation, x, y, expected_x, expected_y):
coord1 = CoordinateSystem(width, height)
coord1.orientation = orientation
assert coord1.convert_from_relative(x, y) == (expected_x, expected_y)
@pytest.mark.parametrize(
("width", "height", "orientation", "x", "y", "expected_x", "expected_y"),
[
(100, 300, Orientation.CARTESIAN, 80, 120, 0.8, 0.4),
(100, 300, Orientation.SCREEN, 80, 120, 0.8, 0.6),
],
)
def test_convert_to_relative(width, height, orientation, x, y, expected_x, expected_y):
coord1 = CoordinateSystem(width, height)
coord1.orientation = orientation
assert coord1.convert_to_relative(x, y) == (expected_x, expected_y)
@pytest.mark.parametrize(
("orientation1", "orientation2", "x", "y", "expected_x", "expected_y"),
[
(Orientation.CARTESIAN, Orientation.CARTESIAN, 80, 120, 800, 1200),
(Orientation.CARTESIAN, Orientation.SCREEN, 80, 120, 800, 800),
(Orientation.SCREEN, Orientation.CARTESIAN, 80, 120, 800, 800),
(Orientation.SCREEN, Orientation.SCREEN, 80, 120, 800, 1200),
],
)
def test_convert_to_new_system(orientation1, orientation2, x, y, expected_x, expected_y):
coord1 = CoordinateSystem(width=100, height=200)
coord1.orientation = orientation1
coord2 = CoordinateSystem(width=1000, height=2000)
coord2.orientation = orientation2
assert coord1.convert_coordinates_to_new_system(coord2, x, y) == (expected_x, expected_y)
@pytest.mark.parametrize(
("width", "height", "orientation", "x", "y", "expected_x", "expected_y"),
[
(100, 300, Orientation.CARTESIAN, 80, 120, 0.8, 0.4),
(100, 300, Orientation.SCREEN, 80, 120, 0.8, 0.6),
],
)
def test_relative_system(width, height, orientation, x, y, expected_x, expected_y):
coord1 = CoordinateSystem(width, height)
coord1.orientation = orientation
coord2 = RelativeCoordinateSystem()
assert coord1.convert_coordinates_to_new_system(coord2, x, y) == (expected_x, expected_y)