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Add units conversion with rotation unit tests.

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This commit is contained in:
Antoine Vandecreme 2015-12-12 10:47:12 -05:00
parent 52f8ad6aa2
commit 4a6d31ae37
1 changed files with 69 additions and 8 deletions
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77
test/modules/units.js
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@ -2,6 +2,7 @@
(function () {
var viewer;
var precision = 0.00000001;
module('Units', {
setup: function () {
@ -26,8 +27,8 @@
function pointEqual(a, b, message) {
Util.assessNumericValue(a.x, b.x, 0.00000001, message);
Util.assessNumericValue(a.y, b.y, 0.00000001, message);
Util.assessNumericValue(a.x, b.x, precision, message);
Util.assessNumericValue(a.y, b.y, precision, message);
}
// Check that f^-1 ( f(x) ) = x
@ -151,8 +152,6 @@
start();
});
viewer.viewport.zoomTo(0.8).panTo(new OpenSeadragon.Point(0.1, 0.2));
start();
});
viewer.open([{
@ -167,6 +166,68 @@
});
// ---------
asyncTest('Multiple images coordinates conversion with viewport rotation', function () {
viewer.addHandler("open", function () {
var viewport = viewer.viewport;
var tiledImage1 = viewer.world.getItemAt(0);
var tiledImage2 = viewer.world.getItemAt(1);
var imageWidth = viewer.source.dimensions.x;
var imageHeight = viewer.source.dimensions.y;
var viewerWidth = $(viewer.element).width();
var viewerHeight = $(viewer.element).height();
var viewerMiddleTop = new OpenSeadragon.Point(viewerWidth / 2, 0);
var viewerMiddleBottom = new OpenSeadragon.Point(viewerWidth / 2, viewerHeight);
var point0_0 = new OpenSeadragon.Point(0, 0);
var point = viewport.viewerElementToViewportCoordinates(viewerMiddleTop);
pointEqual(point, point0_0, 'When opening, viewer middle top is also viewport 0,0');
var image1Pixel = tiledImage1.viewerElementToImageCoordinates(viewerMiddleTop);
pointEqual(image1Pixel, point0_0, 'When opening, viewer middle top is also image 1 pixel 0,0');
var image2Pixel = tiledImage2.viewerElementToImageCoordinates(viewerMiddleTop);
pointEqual(image2Pixel,
new OpenSeadragon.Point(-2 * imageWidth, -2 * imageHeight),
'When opening, viewer middle top is also image 2 pixel -2*imageWidth, -2*imageHeight');
point = viewport.viewerElementToViewportCoordinates(viewerMiddleBottom);
pointEqual(point, new OpenSeadragon.Point(1.5, 1.5),
'Viewer middle bottom has viewport coordinates 1.5,1.5.');
image1Pixel = tiledImage1.viewerElementToImageCoordinates(viewerMiddleBottom);
pointEqual(image1Pixel,
new OpenSeadragon.Point(imageWidth * 1.5, imageHeight * 1.5),
'Viewer middle bottom has image 1 pixel coordinates imageWidth * 1.5, imageHeight * 1.5');
image2Pixel = tiledImage2.viewerElementToImageCoordinates(viewerMiddleBottom);
pointEqual(image2Pixel,
new OpenSeadragon.Point(imageWidth, imageHeight),
'Viewer middle bottom has image 2 pixel coordinates imageWidth,imageHeight.');
checkPoint(' after opening');
viewer.addHandler('animation-finish', function animationHandler() {
viewer.removeHandler('animation-finish', animationHandler);
checkPoint(' after zoom and pan');
//Restore rotation
viewer.viewport.setRotation(0);
start();
});
viewer.viewport.zoomTo(0.8).panTo(new OpenSeadragon.Point(0.1, 0.2));
});
viewer.viewport.setRotation(45);
viewer.open([{
tileSource: "/test/data/testpattern.dzi"
}, {
tileSource: "/test/data/testpattern.dzi",
x: 1,
y: 1,
width: 0.5
}
]);
});
// ----------
asyncTest('ZoomRatio 1 image', function () {
viewer.addHandler("open", function () {
@ -188,10 +249,10 @@
var expectedViewportZoom = viewport.getZoom(true);
var actualImageZoom = viewport.viewportToImageZoom(
expectedViewportZoom);
equal(actualImageZoom, expectedImageZoom);
Util.assessNumericValue(actualImageZoom, expectedImageZoom, precision);
var actualViewportZoom = viewport.imageToViewportZoom(actualImageZoom);
equal(actualViewportZoom, expectedViewportZoom);
Util.assessNumericValue(actualViewportZoom, expectedViewportZoom, precision);
}
checkZoom();
@ -234,11 +295,11 @@
var actualImageZoom = image.viewportToImageZoom(
expectedViewportZoom);
Util.assessNumericValue(actualImageZoom, expectedImageZoom,
0.00000001);
precision);
var actualViewportImage1Zoom = image.imageToViewportZoom(actualImageZoom);
Util.assessNumericValue(
actualViewportImage1Zoom, expectedViewportZoom, 0.00000001);
actualViewportImage1Zoom, expectedViewportZoom, precision);
}
checkZoom(image1);