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Add value/resolution functions to View2D

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This commit is contained in:
Éric Lemoine
2013-04-05 11:17:33 +02:00
parent 123e84de17
commit 631afb07ab
2 changed files with 96 additions and 12 deletions
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18
test/spec/ol/view2d.test.js
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@@ -8,7 +8,7 @@ describe('ol.View2D', function() {
describe('with no options', function() {
it('gives a correct resolution constraint function', function() {
var options = {};
var fn = ol.View2D.createConstraints_(options).resolution;
var fn = ol.View2D.createResolutionConstraint_(options)[0];
expect(fn(156543.03392804097, 0, 0))
.to.roughlyEqual(156543.03392804097, 1e-9);
expect(fn(78271.51696402048, 0, 0))
@@ -24,7 +24,12 @@ describe('ol.View2D', function() {
numZoomLevels: 4,
zoomFactor: 3
};
var fn = ol.View2D.createConstraints_(options).resolution;
var parts = ol.View2D.createResolutionConstraint_(options);
var maxResolution = parts[1];
expect(maxResolution).to.eql(81);
var minResolution = parts[2];
expect(minResolution).to.eql(3);
var fn = parts[0];
expect(fn(82, 0, 0)).to.eql(81);
expect(fn(81, 0, 0)).to.eql(81);
expect(fn(27, 0, 0)).to.eql(27);
@@ -39,7 +44,12 @@ describe('ol.View2D', function() {
var options = {
resolutions: [97, 76, 65, 54, 0.45]
};
var fn = ol.View2D.createConstraints_(options).resolution;
var parts = ol.View2D.createResolutionConstraint_(options);
var maxResolution = parts[1];
expect(maxResolution).to.eql(97);
var minResolution = parts[2];
expect(minResolution).to.eql(0.45);
var fn = parts[0];
expect(fn(97, 0, 0)).to.eql(97);
expect(fn(76, 0, 0)).to.eql(76);
expect(fn(65, 0, 0)).to.eql(65);
@@ -53,7 +63,7 @@ describe('ol.View2D', function() {
describe('create rotation constraint', function() {
it('gives a correct rotation constraint function', function() {
var options = {};
var fn = ol.View2D.createConstraints_(options).rotation;
var fn = ol.View2D.createRotationConstraint_(options);
expect(fn(0.01, 0)).to.eql(0);
expect(fn(0.15, 0)).to.eql(0.15);
});