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Set center on reset. Only shift if offset.

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This commit is contained in:
Tim Schaub
2012-07-08 20:42:15 -06:00
parent b24d63a898
commit 4dfb5d0dee
1 changed files with 9 additions and 4 deletions
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13
src/ol/renderer/Composite.js
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@@ -157,10 +157,14 @@ ol.renderer.Composite.prototype.getOriginForCenterAndRes_ = function(center, res
*/
ol.renderer.Composite.prototype.shiftTarget_ = function(center, resolution) {
var oldCenter = this.renderedCenter_;
var offset = this.targetOffset_;
offset.x += Math.round((oldCenter.getX() - center.getX()) / resolution);
offset.y += Math.round((center.getY() - oldCenter.getY()) / resolution);
goog.style.setPosition(this.target_, offset);
var dx = Math.round((oldCenter.getX() - center.getX()) / resolution);
var dy = Math.round((center.getY() - oldCenter.getY()) / resolution);
if (!(dx == 0 && dy == 0)) {
var offset = this.targetOffset_;
offset.x += Math.round((oldCenter.getX() - center.getX()) / resolution);
offset.y += Math.round((center.getY() - oldCenter.getY()) / resolution);
goog.style.setPosition(this.target_, offset);
}
};
/**
@@ -176,6 +180,7 @@ ol.renderer.Composite.prototype.resetTarget_ = function(center, resolution) {
}
var offset = new goog.math.Coordinate(-this.buffer_, -this.buffer_);
this.targetOffset_ = offset;
this.renderedCenter_ = center;
goog.style.setPosition(this.target_, offset);
};