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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/renderer/maprenderer.js
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@@ -69,13 +69,13 @@ ol.renderer.Map.prototype.calculateMatrices2D = function(frameState) {
var pixelToCoordinateTransform = frameState.pixelToCoordinateTransform;
goog.asserts.assert(coordinateToPixelTransform,
'frameState has a coordinateToPixelTransform');
ol.transform.translate(ol.transform.reset(coordinateToPixelTransform),
frameState.size[0] / 2, frameState.size[1] / 2);
ol.transform.scale(coordinateToPixelTransform,
1 / viewState.resolution, -1 / viewState.resolution);
ol.transform.rotate(coordinateToPixelTransform, -viewState.rotation);
ol.transform.translate(coordinateToPixelTransform,
ol.transform.compose(coordinateToPixelTransform,
frameState.size[0] / 2, frameState.size[1] / 2,
1 / viewState.resolution, -1 / viewState.resolution,
-viewState.rotation,
-viewState.center[0], -viewState.center[1]);
ol.transform.invert(
ol.transform.setFromArray(pixelToCoordinateTransform, coordinateToPixelTransform));
};