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rotation support for ol.View#calculateExtent

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This commit is contained in:
vmalaret
2015-05-08 17:58:59 -04:00
committed by Bart van den Eijnden
parent 74759142d9
commit e7cd691362
2 changed files with 38 additions and 7 deletions
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16
src/ol/view.js
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@@ -275,15 +275,17 @@ ol.View.prototype.getHints = function() {
* @api stable
*/
ol.View.prototype.calculateExtent = function(size) {
goog.asserts.assert(this.isDef(),
'the view was not defined (had no center and/or resolution)');
var center = this.getCenter();
goog.asserts.assert(goog.isDefAndNotNull(center),
'The view center is not defined');
var resolution = this.getResolution();
var minX = center[0] - resolution * size[0] / 2;
var maxX = center[0] + resolution * size[0] / 2;
var minY = center[1] - resolution * size[1] / 2;
var maxY = center[1] + resolution * size[1] / 2;
return [minX, minY, maxX, maxY];
goog.asserts.assert(goog.isDef(resolution),
'The view resolution is not defined');
var rotation = this.getRotation();
goog.asserts.assert(goog.isDef(rotation),
'The view rotation is not defined');
return ol.extent.getForViewAndSize(center, resolution, rotation, size);
};