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Improve / streamline Matrix documentation a bit.

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This commit is contained in:
Jürg Lehni 2014-10-20 16:47:41 +02:00
parent 616e848376
commit 62e5f3b3ac
1 changed files with 15 additions and 8 deletions
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23
src/basic/Matrix.js
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@ -344,7 +344,7 @@ var Matrix = Base.extend(/** @lends Matrix# */{
},
/**
* Concatenates an affine transform to this transform.
* Concatenates the given affine transform to this transform.
*
* @param {Matrix} mx the transform to concatenate
* @return {Matrix} this affine transform
@ -371,7 +371,7 @@ var Matrix = Base.extend(/** @lends Matrix# */{
},
/**
* Pre-concatenates an affine transform to this transform.
* Pre-concatenates the given affine transform to this transform.
*
* @param {Matrix} mx the transform to preconcatenate
* @return {Matrix} this affine transform
@ -399,6 +399,13 @@ var Matrix = Base.extend(/** @lends Matrix# */{
return this;
},
/**
* Returns a new instance of the result of the concatenation of the given
* affine transform with this transform.
*
* @param {Matrix} mx the transform to concatenate
* @return {Matrix} the newly created affine transform
*/
chain: function(mx) {
var a1 = this._a,
b1 = this._b,
@ -468,9 +475,9 @@ var Matrix = Base.extend(/** @lends Matrix# */{
* @name Matrix#transform
* @function
* @param {Number[]} src the array containing the source points
* as x, y value pairs
* as x, y value pairs
* @param {Number[]} dst the array into which to store the transformed
* point pairs
* point pairs
* @param {Number} count the number of points to transform
* @return {Number[]} the dst array, containing the transformed coordinates.
*/
@ -717,12 +724,12 @@ var Matrix = Base.extend(/** @lends Matrix# */{
},
/**
* Inverts the transformation of the matrix. If the matrix is not invertible
* (in which case {@link #isSingular()} returns true), {@code null } is
* returned.
* Creates the inversion of the transformation of the matrix and returns it
* as a new insteance. If the matrix is not invertible (in which case
* {@link #isSingular()} returns true), {@code null } is returned.
*
* @return {Matrix} the inverted matrix, or {@code null }, if the matrix is
* singular
* singular
*/
inverted: function() {
var det = this._getDeterminant();