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Move color matrix code into ol.color.Matrix

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This commit is contained in:
Tom Payne
2013-11-13 17:49:13 +01:00
parent e3c3170c39
commit e1ba9c0322
4 changed files with 209 additions and 195 deletions
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89
src/ol/vec/mat4.js
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@@ -3,95 +3,6 @@ goog.provide('ol.vec.Mat4');
goog.require('goog.vec.Mat4');
/**
* @param {!goog.vec.Mat4.Float32} matrix Matrix.
* @param {number} value Brightness value.
* @return {!goog.vec.Mat4.Float32} Matrix.
*/
ol.vec.Mat4.makeBrightness = function(matrix, value) {
goog.vec.Mat4.makeTranslate(matrix, value, value, value);
return matrix;
};
/**
* @param {!goog.vec.Mat4.Float32} matrix Matrix.
* @param {number} value Contrast value.
* @return {!goog.vec.Mat4.Float32} Matrix.
*/
ol.vec.Mat4.makeContrast = function(matrix, value) {
goog.vec.Mat4.makeScale(matrix, value, value, value);
var translateValue = (-0.5 * value + 0.5);
goog.vec.Mat4.setColumnValues(matrix, 3,
translateValue, translateValue, translateValue, 1);
return matrix;
};
/**
* @param {!goog.vec.Mat4.Float32} matrix Matrix.
* @param {number} value Hue value.
* @return {!goog.vec.Mat4.Float32} Matrix.
*/
ol.vec.Mat4.makeHue = function(matrix, value) {
var cosHue = Math.cos(value);
var sinHue = Math.sin(value);
var v00 = 0.213 + cosHue * 0.787 - sinHue * 0.213;
var v01 = 0.715 - cosHue * 0.715 - sinHue * 0.715;
var v02 = 0.072 - cosHue * 0.072 + sinHue * 0.928;
var v03 = 0;
var v10 = 0.213 - cosHue * 0.213 + sinHue * 0.143;
var v11 = 0.715 + cosHue * 0.285 + sinHue * 0.140;
var v12 = 0.072 - cosHue * 0.072 - sinHue * 0.283;
var v13 = 0;
var v20 = 0.213 - cosHue * 0.213 - sinHue * 0.787;
var v21 = 0.715 - cosHue * 0.715 + sinHue * 0.715;
var v22 = 0.072 + cosHue * 0.928 + sinHue * 0.072;
var v23 = 0;
var v30 = 0;
var v31 = 0;
var v32 = 0;
var v33 = 1;
goog.vec.Mat4.setFromValues(matrix,
v00, v10, v20, v30,
v01, v11, v21, v31,
v02, v12, v22, v32,
v03, v13, v23, v33);
return matrix;
};
/**
* @param {!goog.vec.Mat4.Float32} matrix Matrix.
* @param {number} value Saturation value.
* @return {!goog.vec.Mat4.Float32} Matrix.
*/
ol.vec.Mat4.makeSaturation = function(matrix, value) {
var v00 = 0.213 + 0.787 * value;
var v01 = 0.715 - 0.715 * value;
var v02 = 0.072 - 0.072 * value;
var v03 = 0;
var v10 = 0.213 - 0.213 * value;
var v11 = 0.715 + 0.285 * value;
var v12 = 0.072 - 0.072 * value;
var v13 = 0;
var v20 = 0.213 - 0.213 * value;
var v21 = 0.715 - 0.715 * value;
var v22 = 0.072 + 0.928 * value;
var v23 = 0;
var v30 = 0;
var v31 = 0;
var v32 = 0;
var v33 = 1;
goog.vec.Mat4.setFromValues(matrix,
v00, v10, v20, v30,
v01, v11, v21, v31,
v02, v12, v22, v32,
v03, v13, v23, v33);
return matrix;
};
/**
* Transforms the given vector with the given matrix storing the resulting,
* transformed vector into resultVec. The input vector is multiplied against the