mirror of
https://github.com/openseadragon/openseadragon.git
synced 2024-11-27 07:36:09 +03:00
222 lines
9.2 KiB
JavaScript
222 lines
9.2 KiB
JavaScript
/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */
|
|
|
|
(function() {
|
|
|
|
module('Rectangle', {});
|
|
|
|
var precision = 0.000000001;
|
|
|
|
test('Constructor', function() {
|
|
var rect = new OpenSeadragon.Rect(1, 2, 3, 4, 5);
|
|
strictEqual(rect.x, 1, 'rect.x should be 1');
|
|
strictEqual(rect.y, 2, 'rect.y should be 2');
|
|
strictEqual(rect.width, 3, 'rect.width should be 3');
|
|
strictEqual(rect.height, 4, 'rect.height should be 4');
|
|
strictEqual(rect.degrees, 5, 'rect.degrees should be 5');
|
|
|
|
rect = new OpenSeadragon.Rect();
|
|
strictEqual(rect.x, 0, 'rect.x should be 0');
|
|
strictEqual(rect.y, 0, 'rect.y should be 0');
|
|
strictEqual(rect.width, 0, 'rect.width should be 0');
|
|
strictEqual(rect.height, 0, 'rect.height should be 0');
|
|
strictEqual(rect.degrees, 0, 'rect.degrees should be 0');
|
|
|
|
rect = new OpenSeadragon.Rect(0, 0, 1, 2, -405);
|
|
Util.assessNumericValue(Math.sqrt(2) / 2, rect.x, precision,
|
|
'rect.x should be sqrt(2)/2');
|
|
Util.assessNumericValue(-Math.sqrt(2) / 2, rect.y, precision,
|
|
'rect.y should be -sqrt(2)/2');
|
|
Util.assessNumericValue(2, rect.width, precision,
|
|
'rect.width should be 2');
|
|
Util.assessNumericValue(1, rect.height, precision,
|
|
'rect.height should be 1');
|
|
strictEqual(45, rect.degrees, 'rect.degrees should be 45');
|
|
|
|
rect = new OpenSeadragon.Rect(0, 0, 1, 2, 135);
|
|
Util.assessNumericValue(-Math.sqrt(2), rect.x, precision,
|
|
'rect.x should be -sqrt(2)');
|
|
Util.assessNumericValue(-Math.sqrt(2), rect.y, precision,
|
|
'rect.y should be -sqrt(2)');
|
|
Util.assessNumericValue(2, rect.width, precision,
|
|
'rect.width should be 2');
|
|
Util.assessNumericValue(1, rect.height, precision,
|
|
'rect.height should be 1');
|
|
strictEqual(45, rect.degrees, 'rect.degrees should be 45');
|
|
|
|
rect = new OpenSeadragon.Rect(0, 0, 1, 1, 585);
|
|
Util.assessNumericValue(0, rect.x, precision,
|
|
'rect.x should be 0');
|
|
Util.assessNumericValue(-Math.sqrt(2), rect.y, precision,
|
|
'rect.y should be -sqrt(2)');
|
|
Util.assessNumericValue(1, rect.width, precision,
|
|
'rect.width should be 1');
|
|
Util.assessNumericValue(1, rect.height, precision,
|
|
'rect.height should be 1');
|
|
strictEqual(45, rect.degrees, 'rect.degrees should be 45');
|
|
});
|
|
|
|
test('getTopLeft', function() {
|
|
var rect = new OpenSeadragon.Rect(1, 2, 3, 4, 5);
|
|
var expected = new OpenSeadragon.Point(1, 2);
|
|
ok(expected.equals(rect.getTopLeft()), "Incorrect top left point.");
|
|
});
|
|
|
|
test('getTopRight', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 1, 3);
|
|
var expected = new OpenSeadragon.Point(1, 0);
|
|
ok(expected.equals(rect.getTopRight()), "Incorrect top right point.");
|
|
|
|
rect.degrees = 45;
|
|
expected = new OpenSeadragon.Point(1 / Math.sqrt(2), 1 / Math.sqrt(2));
|
|
Util.assertPointsEquals(expected, rect.getTopRight(), precision,
|
|
"Incorrect top right point with rotation.");
|
|
});
|
|
|
|
test('getBottomLeft', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 3, 1);
|
|
var expected = new OpenSeadragon.Point(0, 1);
|
|
ok(expected.equals(rect.getBottomLeft()), "Incorrect bottom left point.");
|
|
|
|
rect.degrees = 45;
|
|
expected = new OpenSeadragon.Point(-1 / Math.sqrt(2), 1 / Math.sqrt(2));
|
|
Util.assertPointsEquals(expected, rect.getBottomLeft(), precision,
|
|
"Incorrect bottom left point with rotation.");
|
|
});
|
|
|
|
test('getBottomRight', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 1, 1);
|
|
var expected = new OpenSeadragon.Point(1, 1);
|
|
ok(expected.equals(rect.getBottomRight()), "Incorrect bottom right point.");
|
|
|
|
rect.degrees = 45;
|
|
expected = new OpenSeadragon.Point(0, Math.sqrt(2));
|
|
Util.assertPointsEquals(expected, rect.getBottomRight(), precision,
|
|
"Incorrect bottom right point with 45 rotation.");
|
|
|
|
rect.degrees = 90;
|
|
expected = new OpenSeadragon.Point(-1, 1);
|
|
Util.assertPointsEquals(expected, rect.getBottomRight(), precision,
|
|
"Incorrect bottom right point with 90 rotation.");
|
|
|
|
rect.degrees = 135;
|
|
expected = new OpenSeadragon.Point(-Math.sqrt(2), 0);
|
|
Util.assertPointsEquals(expected, rect.getBottomRight(), precision,
|
|
"Incorrect bottom right point with 135 rotation.");
|
|
});
|
|
|
|
test('getCenter', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 1, 1);
|
|
var expected = new OpenSeadragon.Point(0.5, 0.5);
|
|
ok(expected.equals(rect.getCenter()), "Incorrect center point.");
|
|
|
|
rect.degrees = 45;
|
|
expected = new OpenSeadragon.Point(0, 0.5 * Math.sqrt(2));
|
|
Util.assertPointsEquals(expected, rect.getCenter(), precision,
|
|
"Incorrect bottom right point with 45 rotation.");
|
|
|
|
rect.degrees = 90;
|
|
expected = new OpenSeadragon.Point(-0.5, 0.5);
|
|
Util.assertPointsEquals(expected, rect.getCenter(), precision,
|
|
"Incorrect bottom right point with 90 rotation.");
|
|
|
|
rect.degrees = 135;
|
|
expected = new OpenSeadragon.Point(-0.5 * Math.sqrt(2), 0);
|
|
Util.assertPointsEquals(expected, rect.getCenter(), precision,
|
|
"Incorrect bottom right point with 135 rotation.");
|
|
});
|
|
|
|
test('times', function() {
|
|
var rect = new OpenSeadragon.Rect(1, 2, 3, 4, 45);
|
|
var expected = new OpenSeadragon.Rect(2, 4, 6, 8, 45);
|
|
var actual = rect.times(2);
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect x2 rectangles.");
|
|
});
|
|
|
|
test('translate', function() {
|
|
var rect = new OpenSeadragon.Rect(1, 2, 3, 4, 45);
|
|
var expected = new OpenSeadragon.Rect(2, 4, 3, 4, 45);
|
|
var actual = rect.translate(new OpenSeadragon.Point(1, 2));
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect translation.");
|
|
});
|
|
|
|
test('union', function() {
|
|
var rect1 = new OpenSeadragon.Rect(2, 2, 2, 3);
|
|
var rect2 = new OpenSeadragon.Rect(0, 1, 1, 1);
|
|
var expected = new OpenSeadragon.Rect(0, 1, 4, 4);
|
|
var actual = rect1.union(rect2);
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect union with horizontal rectangles.");
|
|
|
|
rect1 = new OpenSeadragon.Rect(0, -Math.sqrt(2), 2, 2, 45);
|
|
rect2 = new OpenSeadragon.Rect(1, 0, 2, 2, 0);
|
|
expected = new OpenSeadragon.Rect(
|
|
-Math.sqrt(2),
|
|
-Math.sqrt(2),
|
|
3 + Math.sqrt(2),
|
|
2 + Math.sqrt(2));
|
|
actual = rect1.union(rect2);
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect union with non horizontal rectangles.");
|
|
});
|
|
|
|
test('rotate', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 2, 1);
|
|
|
|
var expected = new OpenSeadragon.Rect(
|
|
1 - 1 / (2 * Math.sqrt(2)),
|
|
0.5 - 3 / (2 * Math.sqrt(2)),
|
|
2,
|
|
1,
|
|
45);
|
|
var actual = rect.rotate(-675);
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect rectangle after rotation of -675deg around center.");
|
|
|
|
expected = new OpenSeadragon.Rect(0, 0, 2, 1, 33);
|
|
actual = rect.rotate(33, rect.getTopLeft());
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect rectangle after rotation of 33deg around topLeft.");
|
|
|
|
expected = new OpenSeadragon.Rect(0, 0, 2, 1, 101);
|
|
actual = rect.rotate(101, rect.getTopLeft());
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect rectangle after rotation of 187deg around topLeft.");
|
|
|
|
expected = new OpenSeadragon.Rect(0, 0, 2, 1, 187);
|
|
actual = rect.rotate(187, rect.getTopLeft());
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect rectangle after rotation of 187deg around topLeft.");
|
|
|
|
expected = new OpenSeadragon.Rect(0, 0, 2, 1, 300);
|
|
actual = rect.rotate(300, rect.getTopLeft());
|
|
Util.assertRectangleEquals(expected, actual, precision,
|
|
"Incorrect rectangle after rotation of 300deg around topLeft.");
|
|
});
|
|
|
|
test('getBoundingBox', function() {
|
|
var rect = new OpenSeadragon.Rect(0, 0, 2, 3);
|
|
|
|
var bb = rect.getBoundingBox();
|
|
ok(rect.equals(bb), "Bounding box of horizontal rectangle should be " +
|
|
"identical to rectangle.");
|
|
|
|
rect.degrees = 90;
|
|
var expected = new OpenSeadragon.Rect(-3, 0, 3, 2);
|
|
Util.assertRectangleEquals(expected, rect.getBoundingBox(), precision,
|
|
"Bounding box of rect rotated 90deg.");
|
|
|
|
rect.degrees = 180;
|
|
var expected = new OpenSeadragon.Rect(-2, -3, 2, 3);
|
|
Util.assertRectangleEquals(expected, rect.getBoundingBox(), precision,
|
|
"Bounding box of rect rotated 180deg.");
|
|
|
|
rect.degrees = 270;
|
|
var expected = new OpenSeadragon.Rect(0, -2, 3, 2);
|
|
Util.assertRectangleEquals(expected, rect.getBoundingBox(), precision,
|
|
"Bounding box of rect rotated 270deg.");
|
|
});
|
|
|
|
})();
|