openseadragon/test/util.js

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(function() {
// ----------
window.Util = {
// ----------
simulateViewerClick: function(viewer, widthFactor, heightFactor) {
if (widthFactor === undefined) {
widthFactor = 0.5;
}
//TODO Redefine to be the middle by default
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if (heightFactor === undefined) {
heightFactor = 0.5;
}
widthFactor = Math.min(1, Math.max(0, widthFactor));
//TODO Fix this. The max height should be 1/AR
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heightFactor = Math.min(1, Math.max(0, heightFactor));
var $canvas = $(viewer.element).find('.openseadragon-canvas').not('.navigator .openseadragon-canvas');
var offset = $canvas.offset();
var event = {
clientX: offset.left + Math.floor($canvas.width() * widthFactor),
clientY: offset.top + Math.floor($canvas.height() * heightFactor)
};
$canvas
.simulate('mouseover', event)
.simulate('mousedown', event)
.simulate('mouseup', event);
},
resetDom: function () {
if ($('#exampleNavigator').is(':ui-dialog')) {
$('#exampleNavigator').dialog('destroy');
}
$("#exampleNavigator").remove();
$(".navigator").remove();
$("#example").empty();
$("#tallexample").empty();
$("#wideexample").empty();
$("#example").parent().append('<div id="exampleNavigator"></div>');
},
equalsWithVariance: function (value1, value2, variance) {
return Math.abs(value1 - value2) <= variance;
},
assessNumericValue: function (value1, value2, variance, message) {
ok(Util.equalsWithVariance(value1, value2, variance), message + " Expected:" + value1 + " Found: " + value2 + " Variance: " + variance);
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}
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};
})();