scratchfoundation/paper.js
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Some minor code clean up and variable renaming.

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This commit is contained in:
Jürg Lehni 2013-11-01 17:55:06 +01:00
parent 132f54d362
commit ac862f9bc4
1 changed files with 10 additions and 9 deletions

19
src/basic/Matrix.js
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@ -367,19 +367,19 @@ var Matrix = Base.extend(/** @lends Matrix# */{
* @function * @function
* @param {Number[]} src the array containing the source points * @param {Number[]} src the array containing the source points
* as x, y value pairs * as x, y value pairs
* @param {Number} srcOff the offset to the first point to be transformed * @param {Number} srcOffset the offset to the first point to be transformed
* @param {Number[]} dst the array into which to store the transformed * @param {Number[]} dst the array into which to store the transformed
* point pairs * point pairs
* @param {Number} dstOff the offset of the location of the first * @param {Number} dstOffset the offset of the location of the first
* transformed point in the destination array * transformed point in the destination array
* @param {Number} numPts the number of points to tranform * @param {Number} count the number of points to tranform
* @return {Number[]} the dst array, containing the transformed coordinates. * @return {Number[]} the dst array, containing the transformed coordinates.
*/ */
transform: function(/* point | */ src, srcOff, dst, dstOff, numPts) { transform: function(/* point | */ src, srcOffset, dst, dstOffset, count) {
return arguments.length < 5 return arguments.length < 5
// TODO: Check for rectangle and use _tranformBounds? // TODO: Check for rectangle and use _tranformBounds?
? this._transformPoint(Point.read(arguments)) ? this._transformPoint(Point.read(arguments))
: this._transformCoordinates(src, srcOff, dst, dstOff, numPts); : this._transformCoordinates(src, srcOffset, dst, dstOffset, count);
}, },
/** /**
@ -398,10 +398,11 @@ var Matrix = Base.extend(/** @lends Matrix# */{
); );
}, },
_transformCoordinates: function(src, srcOff, dst, dstOff, numPts) { _transformCoordinates: function(src, srcOffset, dst, dstOffset, count) {
var i = srcOff, j = dstOff, var i = srcOffset,
srcEnd = srcOff + 2 * numPts; j = dstOffset,
while (i < srcEnd) { max = i + 2 * count;
while (i < max) {
var x = src[i++], var x = src[i++],
y = src[i++]; y = src[i++];
dst[j++] = x * this._a + y * this._b + this._tx; dst[j++] = x * this._a + y * this._b + this._tx;