96 lines
3.2 KiB
JavaScript
96 lines
3.2 KiB
JavaScript
goog.provide('ol.test.render.webgl.CircleReplay');
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goog.require('ol.geom.Circle');
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goog.require('ol.render.webgl.CircleReplay');
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goog.require('ol.style.Fill');
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goog.require('ol.style.Stroke');
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describe('ol.render.webgl.CircleReplay', function() {
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var replay;
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var strokeStyle = new ol.style.Stroke({
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color: [0, 255, 0, 0.4]
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});
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var fillStyle = new ol.style.Fill({
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color: [255, 0, 0, 1]
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});
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beforeEach(function() {
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var tolerance = 0.1;
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var maxExtent = [-10000, -20000, 10000, 20000];
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replay = new ol.render.webgl.CircleReplay(tolerance, maxExtent);
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});
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describe('#setFillStrokeStyle', function() {
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it('set expected states', function() {
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replay.setFillStrokeStyle(fillStyle, strokeStyle);
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expect(replay.state_).not.be(null);
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expect(replay.state_.strokeColor).to.eql([0, 1, 0, 0.4]);
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expect(replay.state_.lineWidth).to.be(1);
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expect(replay.state_.fillColor).to.eql([1, 0, 0, 1]);
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expect(replay.state_.changed).to.be(true);
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expect(replay.styles_).to.have.length(1);
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});
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it('sets a transparent stroke, if none provided', function() {
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replay.setFillStrokeStyle(fillStyle, null);
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expect(replay.state_.strokeColor).to.eql([0, 0, 0, 0]);
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});
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it('sets a transparent fill, if none provided', function() {
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replay.setFillStrokeStyle(null, strokeStyle);
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expect(replay.state_.fillColor).to.eql([0, 0, 0, 0]);
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});
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});
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describe('#drawCircle', function() {
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it('sets the buffer data', function() {
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var circle = new ol.geom.Circle([0,0], 5000);
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replay.setFillStrokeStyle(fillStyle, strokeStyle);
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replay.drawCircle(circle, null);
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expect(replay.vertices).to.have.length(12);
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expect(replay.indices).to.have.length(3);
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expect(replay.state_.changed).to.be(false);
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expect(replay.startIndices).to.have.length(1);
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expect(replay.startIndicesFeature).to.have.length(1);
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expect(replay.radius_).to.be(5000);
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});
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it('does not draw if radius is zero', function() {
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var circle = new ol.geom.Circle([0,0], 0);
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replay.drawCircle(circle, null);
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expect(replay.vertices).to.have.length(0);
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expect(replay.indices).to.have.length(0);
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expect(replay.startIndices).to.have.length(0);
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expect(replay.startIndicesFeature).to.have.length(0);
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});
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it('resets state and removes style if it belongs to a zero radius circle', function() {
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var circle = new ol.geom.Circle([0,0], 0);
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replay.setFillStrokeStyle(fillStyle, strokeStyle);
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replay.setFillStrokeStyle(null, strokeStyle);
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replay.drawCircle(circle, null);
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expect(replay.styles_).to.have.length(1);
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expect(replay.state_).not.be(null);
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expect(replay.state_.strokeColor).to.eql([0, 1, 0, 0.4]);
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expect(replay.state_.lineWidth).to.be(1);
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expect(replay.state_.fillColor).to.eql([1, 0, 0, 1]);
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expect(replay.state_.changed).to.be(false);
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});
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});
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describe('#drawCoordinates_', function() {
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it('envelopes the circle into a right isosceles triangle', function() {
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replay.radius_ = 5000;
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replay.drawCoordinates_([0, 0], 0, 2, 2);
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expect(replay.vertices).to.eql([0, 0, 0, 5000, 0, 0, 1, 5000, 0, 0, 2, 5000]);
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expect(replay.indices).to.eql([0, 1, 2]);
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});
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});
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});
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