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Replace more magic numbers with constants.

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This commit is contained in:
nein09 2014-10-27 18:06:37 -07:00
parent 2d70ee32fc
commit e0fbf869c9
1 changed files with 17 additions and 16 deletions
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33
test/viewport.js
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@ -28,6 +28,7 @@
var ZOOM_FACTOR = 2; // the image will be twice as large as the viewer. var ZOOM_FACTOR = 2; // the image will be twice as large as the viewer.
var VIEWER_SIZE = 500; // We set up the viewer to be 500 px x 500 px. var VIEWER_SIZE = 500; // We set up the viewer to be 500 px x 500 px.
var IMAGE_SIZE = ZOOM_FACTOR * VIEWER_SIZE; // mostly for convenience
var VIEWER_PADDING = new OpenSeadragon.Point(20, 20); var VIEWER_PADDING = new OpenSeadragon.Point(20, 20);
var testZoomLevels = [-1, 0, 0.1, 0.5, 4, 10]; var testZoomLevels = [-1, 0, 0.1, 0.5, 4, 10];
@ -88,12 +89,12 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testRects.length; i++){ for (var i = 0; i < testRects.length; i++){
orig = testRects[i].times(1000); orig = testRects[i].times(IMAGE_SIZE);
expected = new OpenSeadragon.Rect( expected = new OpenSeadragon.Rect(
orig.x / 1000, orig.x / IMAGE_SIZE,
orig.y / 1000, orig.y / IMAGE_SIZE,
orig.width / 1000, orig.width / IMAGE_SIZE,
orig.height / 1000 orig.height / IMAGE_SIZE
); );
actual = viewport.imageToViewportRectangle(orig); actual = viewport.imageToViewportRectangle(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig); propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -113,12 +114,12 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testRects.length; i++){ for (var i = 0; i < testRects.length; i++){
orig = testRects[i].times(500); orig = testRects[i].times(VIEWER_SIZE);
expected = new OpenSeadragon.Rect( expected = new OpenSeadragon.Rect(
orig.x * 1000, orig.x * IMAGE_SIZE,
orig.y * 1000, orig.y * IMAGE_SIZE,
orig.width * 1000, orig.width * IMAGE_SIZE,
orig.height * 1000 orig.height * IMAGE_SIZE
); );
actual = viewport.viewportToImageRectangle(orig); actual = viewport.viewportToImageRectangle(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig); propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -138,7 +139,7 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testPoints.length; i++){ for (var i = 0; i < testPoints.length; i++){
orig = testPoints[i].times(500); orig = testPoints[i].times(VIEWER_SIZE);
expected = orig.times(ZOOM_FACTOR); expected = orig.times(ZOOM_FACTOR);
actual = viewport.viewerElementToImageCoordinates(orig); actual = viewport.viewerElementToImageCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig); propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -158,7 +159,7 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testPoints.length; i++){ for (var i = 0; i < testPoints.length; i++){
orig = testPoints[i].times(1000); orig = testPoints[i].times(IMAGE_SIZE);
expected = orig.divide(ZOOM_FACTOR); expected = orig.divide(ZOOM_FACTOR);
actual = viewport.imageToViewerElementCoordinates(orig); actual = viewport.imageToViewerElementCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig); propEqual(actual, expected, "Coordinates converted correctly for " + orig);
@ -198,8 +199,8 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testPoints.length; i++){ for (var i = 0; i < testPoints.length; i++){
// Test image is 1000 x 1000 // Test image is IMAGE_SIZE x IMAGE_SIZE
orig = testPoints[i].times(1000); orig = testPoints[i].times(IMAGE_SIZE);
position = viewer.element.getBoundingClientRect(); position = viewer.element.getBoundingClientRect();
expected = orig.divide(ZOOM_FACTOR).plus( new OpenSeadragon.Point(position.top, position.left) ); expected = orig.divide(ZOOM_FACTOR).plus( new OpenSeadragon.Point(position.top, position.left) );
actual = viewport.imageToWindowCoordinates(orig); actual = viewport.imageToWindowCoordinates(orig);
@ -240,8 +241,8 @@
var orig, expected, actual; var orig, expected, actual;
for (var i = 0; i < testPoints.length; i++){ for (var i = 0; i < testPoints.length; i++){
// Test image is 1000 x 1000 // Test image is IMAGE_SIZE x IMAGE_SIZE
orig = testPoints[i].times(1000); orig = testPoints[i].times(IMAGE_SIZE);
expected = orig.minus(VIEWER_PADDING).times(VIEWER_SIZE); expected = orig.minus(VIEWER_PADDING).times(VIEWER_SIZE);
actual = viewport.viewportToWindowCoordinates(orig); actual = viewport.viewportToWindowCoordinates(orig);
propEqual(actual, expected, "Coordinates converted correctly for " + orig); propEqual(actual, expected, "Coordinates converted correctly for " + orig);