Move ol.replay into ol.render namespace
This commit is contained in:
38
src/ol/render/render.js
Normal file
38
src/ol/render/render.js
Normal file
@@ -0,0 +1,38 @@
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goog.provide('ol.render');
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goog.require('goog.vec.Mat4');
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/**
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* @param {Array.<number>} coordinates Coordinates.
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* @param {goog.vec.Mat4.AnyType} transform Transform.
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* @param {Array.<number>=} opt_dest Destination.
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* @return {Array.<number>} Transformed coordinates.
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*/
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ol.render.transformCoordinates = function(coordinates, transform, opt_dest) {
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var m00 = goog.vec.Mat4.getElement(transform, 0, 0);
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var m10 = goog.vec.Mat4.getElement(transform, 1, 0);
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var m01 = goog.vec.Mat4.getElement(transform, 0, 1);
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var m11 = goog.vec.Mat4.getElement(transform, 1, 1);
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var m03 = goog.vec.Mat4.getElement(transform, 0, 3);
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var m13 = goog.vec.Mat4.getElement(transform, 1, 3);
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var n = coordinates.length;
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var result;
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if (goog.isDef(opt_dest)) {
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result = opt_dest;
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} else {
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result = [];
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}
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var j = 0;
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var i, x, y;
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for (i = 0; i < n; ) {
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x = coordinates[i++];
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y = coordinates[i++];
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result[j++] = m00 * x + m01 * y + m03;
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result[j++] = m10 * x + m11 * y + m13;
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}
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if (goog.isDef(opt_dest) && result.length != j) {
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result.length = j;
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}
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return result;
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};
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