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Use ol.vec.Mat4.makeTransform2D in ol.renderer.canvas.Layer

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Tom Payne
2013-12-01 21:21:43 +01:00
parent 36fee8013a
commit 5e5fc85238
1 changed files with 6 additions and 11 deletions
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17
src/ol/renderer/canvas/canvaslayerrenderer.js
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@@ -6,6 +6,7 @@ goog.require('ol.render.Event');
goog.require('ol.render.EventType'); goog.require('ol.render.EventType');
goog.require('ol.render.canvas.Immediate'); goog.require('ol.render.canvas.Immediate');
goog.require('ol.renderer.Layer'); goog.require('ol.renderer.Layer');
goog.require('ol.vec.Mat4');
@@ -138,15 +139,9 @@ ol.renderer.canvas.Layer.prototype.getImageTransform = goog.abstractMethod;
*/ */
ol.renderer.canvas.Layer.prototype.getTransform = function(frameState) { ol.renderer.canvas.Layer.prototype.getTransform = function(frameState) {
var view2DState = frameState.view2DState; var view2DState = frameState.view2DState;
var center = view2DState.center; return ol.vec.Mat4.makeTransform2D(this.transform_,
var resolution = view2DState.resolution; frameState.size[0] / 2, frameState.size[1] / 2,
var rotation = view2DState.rotation; 1 / view2DState.resolution, -1 / view2DState.resolution,
var size = frameState.size; -view2DState.rotation,
var transform = this.transform_; -view2DState.center[0], -view2DState.center[1]);
goog.vec.Mat4.makeIdentity(transform);
goog.vec.Mat4.translate(transform, size[0] / 2, size[1] / 2, 0);
goog.vec.Mat4.scale(transform, 1 / resolution, -1 / resolution, 1);
goog.vec.Mat4.rotateZ(transform, -rotation);
goog.vec.Mat4.translate(transform, -center[0], -center[1], 0);
return transform;
}; };