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Force a zoom factor of 2 and make that a constant; find the viewer position in the window for imageToWindowCoordinates (still not sure where the 20 x 20 pixel padding is coming from

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This commit is contained in:
nein09 2014-10-23 16:13:02 -07:00
parent 8494b7ee7f
commit 72a0ecc195
1 changed files with 46 additions and 13 deletions
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59
test/viewport.js
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@ -26,7 +26,9 @@
// helper
var getRandom = function(min, max){
return min + Math.floor(Math.random() * (max - min + 1));
}
};
var ZOOM_FACTOR = 2; // the image will be twice as large as the viewer.
// ----------
/*
@ -34,6 +36,7 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
// do stuff here
var orig = ;
@ -47,12 +50,39 @@
viewer.open('/test/data/testpattern.dzi');
});
*/
asyncTest('imageToViewportRectangle', function() {
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Rect(
getRandom(0, 1000),
getRandom(0, 1000),
getRandom(0, 1000),
getRandom(0, 1000)
);
var expected = new OpenSeadragon.Rect(
orig.x / 1000,
orig.y / 1000,
orig.width / 1000,
orig.height / 1000
);
var actual = viewport.imageToViewportRectangle(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig);
start();
};
viewer.addHandler('open', openHandler);
viewer.open('/test/data/testpattern.dzi');
});
asyncTest('viewportToImageRectangle', function() {
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
// do stuff here
var orig = new OpenSeadragon.Rect(
getRandom(0, 500),
getRandom(0, 500),
@ -78,12 +108,12 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Point(
getRandom(0, 500), getRandom(0, 500)
);
// The image is twice as large as the viewer.
var expected = orig.times(2);
var expected = orig.times(ZOOM_FACTOR);
var actual = viewport.viewerElementToImageCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -97,12 +127,12 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Point(
getRandom(0, 1000), getRandom(0, 1000)
);
// The image is twice as large as the viewer.
var expected = orig.divide(2);
var expected = orig.divide(ZOOM_FACTOR);
var actual = viewport.imageToViewerElementCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -116,6 +146,7 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Point(
getRandom(100, 3000), getRandom(100, 3000)
@ -135,14 +166,14 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
// test image is 1000 x 1000
var orig = new OpenSeadragon.Point(
getRandom(0, 1000), getRandom(0, 1000)
);
// The image is twice as large as the viewer.
// don't know why I have to subtract 10000 though.
var expected = orig.divide(2).minus( new OpenSeadragon.Point(10000, 10000) );
var position = viewer.element.getBoundingClientRect();
var expected = orig.divide(ZOOM_FACTOR).plus( new OpenSeadragon.Point(position.top, position.left) );
var actual = viewport.imageToWindowCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -156,6 +187,7 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Point(
getRandom(100, 3000), getRandom(100, 3000)
@ -176,6 +208,7 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = new OpenSeadragon.Point(
getRandom(0, 1000), getRandom(0, 1000)
@ -196,10 +229,10 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = getRandom(0, 4);
// because the container is 500 x 500 and the image is 1000 x 1000
var expected = orig / 2;
var expected = orig / ZOOM_FACTOR;
var actual = viewport.viewportToImageZoom(orig);
equal(expected, actual, "Coordinates converted correctly for " + orig);
start();
@ -213,10 +246,10 @@
var openHandler = function(event) {
viewer.removeHandler('open', openHandler);
var viewport = viewer.viewport;
viewport.zoomTo(ZOOM_FACTOR, null, true);
var orig = getRandom(0, 4);
// because the container is 500 x 500 and the image is 1000 x 1000
var expected = orig * 2;
var expected = orig * ZOOM_FACTOR;
var actual = viewport.imageToViewportZoom(orig);
equal(expected, actual, "Coordinates converted correctly for " + orig);
start();