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Unit tests for TiledImage unit conversion

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This commit is contained in:
Ian Gilman 2014-11-21 17:05:14 -08:00
parent d5c345970c
commit b8a1762a95
1 changed files with 15 additions and 1 deletions
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16
test/modules/tiledimage.js
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@ -1,4 +1,4 @@
/* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog */ /* global module, asyncTest, $, ok, equal, notEqual, start, test, Util, testLog, propEqual */
(function() { (function() {
var viewer; var viewer;
@ -45,6 +45,20 @@
checkBounds(image, new OpenSeadragon.Rect(5, 6, 10, 40), 'initial bounds'); checkBounds(image, new OpenSeadragon.Rect(5, 6, 10, 40), 'initial bounds');
var scale = image.getContentSize().x / image.getBounds().width;
var viewportPoint = new OpenSeadragon.Point(10, 11);
var imagePoint = viewportPoint.minus(image.getBounds().getTopLeft()).times(scale);
propEqual(image.viewportToImageCoordinates(viewportPoint), imagePoint, 'viewportToImageCoordinates');
propEqual(image.imageToViewportCoordinates(imagePoint), viewportPoint, 'imageToViewportCoordinates');
var viewportRect = new OpenSeadragon.Rect(viewportPoint.x, viewportPoint.y, 6, 7);
var imageRect = new OpenSeadragon.Rect(imagePoint.x, imagePoint.y,
viewportRect.width * scale, viewportRect.height * scale);
propEqual(image.viewportToImageRectangle(viewportRect), imageRect, 'viewportToImageRectangle');
propEqual(image.imageToViewportRectangle(imageRect), viewportRect, 'imageToViewportRectangle');
image.addHandler('bounds-change', function boundsChangeHandler(event) { image.addHandler('bounds-change', function boundsChangeHandler(event) {
image.removeHandler('bounds-change', boundsChangeHandler); image.removeHandler('bounds-change', boundsChangeHandler);
handlerCount++; handlerCount++;