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Use ol.transform.compose() for common transform compositions

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This commit is contained in:
Tim Schaub
2016-06-24 10:43:14 -06:00
committed by Andreas Hocevar
parent a655234cc3
commit 618cb389e5
12 changed files with 80 additions and 88 deletions
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12
src/ol/source/imagevectorsource.js
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@@ -215,10 +215,14 @@ ol.source.ImageVector.prototype.getStyleFunction = function() {
* @private
*/
ol.source.ImageVector.prototype.getTransform_ = function(center, resolution, pixelRatio, size) {
var transform = ol.transform.reset(this.transform_);
ol.transform.translate(transform, size[0] / 2, size[1] / 2);
ol.transform.scale(transform, pixelRatio / resolution, -pixelRatio / resolution);
return ol.transform.translate(transform, -center[0], -center[1]);
var dx1 = size[0] / 2;
var dy1 = size[1] / 2;
var sx = pixelRatio / resolution;
var sy = -sx;
var dx2 = -center[0];
var dy2 = -center[1];
return ol.transform.compose(this.transform_, dx1, dy1, sx, sy, 0, dx2, dy2);
};