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Do not clip canvas for vector layers when wrapping the world

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This commit is contained in:
Andreas Hocevar
2015-06-19 14:55:20 +02:00
parent aa90c97ba3
commit 7463a58066
4 changed files with 87 additions and 11 deletions
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74
test/spec/ol/renderer/canvas/canvasvectorlayerrenderer.test.js
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@@ -89,14 +89,88 @@ describe('ol.renderer.canvas.VectorLayer', function() {
});
});
describe('#prepareFrame', function() {
var frameState, projExtent, renderer, worldWidth, buffer;
beforeEach(function() {
var layer = new ol.layer.Vector({
source: new ol.source.Vector({wrapX: true})
});
renderer = new ol.renderer.canvas.VectorLayer(layer);
var projection = ol.proj.get('EPSG:3857');
projExtent = projection.getExtent();
worldWidth = ol.extent.getWidth(projExtent);
buffer = layer.getRenderBuffer();
frameState = {
skippedFeatureUids: {},
viewHints: [],
viewState: {
projection: projection,
resolution: 1,
rotation: 0
}
};
});
it('sets correct extent for small viewport near dateline', function() {
frameState.extent =
[projExtent[0] - 10000, -10000, projExtent[0] + 10000, 10000];
renderer.prepareFrame(frameState, {});
expect(renderer.replayGroup_.maxExtent_).to.eql(ol.extent.buffer([
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
});
it('sets correct extent for viewport less than 1 world wide', function() {
frameState.extent =
[projExtent[0] - 10000, -10000, projExtent[1] - 10000, 10000];
renderer.prepareFrame(frameState, {});
expect(renderer.replayGroup_.maxExtent_).to.eql(ol.extent.buffer([
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
});
it('sets correct extent for viewport more than 1 world wide', function() {
frameState.extent =
[2 * projExtent[0] - 10000, -10000, 2 * projExtent[1] + 10000, 10000];
renderer.prepareFrame(frameState, {});
expect(renderer.replayGroup_.maxExtent_).to.eql(ol.extent.buffer([
projExtent[0] - worldWidth + buffer,
-10000, projExtent[2] + worldWidth - buffer, 10000
], buffer));
});
it('sets correct extent for viewport more than 2 worlds wide', function() {
frameState.extent = [
projExtent[0] - 2 * worldWidth - 10000,
-10000, projExtent[1] + 2 * worldWidth + 10000, 10000
];
renderer.prepareFrame(frameState, {});
expect(renderer.replayGroup_.maxExtent_).to.eql(ol.extent.buffer([
projExtent[0] - 2 * worldWidth - 10000,
-10000, projExtent[2] + 2 * worldWidth + 10000, 10000
], buffer));
});
});
});
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.View');
goog.require('ol.extent');
goog.require('ol.geom.Point');
goog.require('ol.layer.Vector');
goog.require('ol.proj');
goog.require('ol.renderer.canvas.VectorLayer');
goog.require('ol.source.Vector');
goog.require('ol.style.Style');