happstack-yui-7371.5.0: bundle/matrix/matrix-coverage.js
/*
YUI 3.7.1 (build 5627)
Copyright 2012 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/
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"," *"," * / \\"," * | matrix[0][0] matrix[1][0] matrix[2][0] |"," * | matrix[0][1] matrix[1][1] matrix[2][1] |"," * | matrix[0][2] matrix[1][2] matrix[2][2] |"," * \\ /"," *"," * @method getnxn"," * @return Array"," */"," convertTransformToArray: function(matrix)"," {"," var matrixArray = ["," [matrix.a, matrix.c, matrix.dx],"," [matrix.b, matrix.d, matrix.dy],"," [0, 0, 1]"," ];"," return matrixArray;"," },",""," /**"," * Returns the determinant of a given matrix. "," *"," * / \\"," * | matrix[0][0] matrix[1][0] matrix[2][0] |"," * | matrix[0][1] matrix[1][1] matrix[2][1] |"," * | matrix[0][2] matrix[1][2] matrix[2][2] |"," * | matrix[0][3] matrix[1][3] matrix[2][3] |"," * \\ /"," *"," * @method getDeterminant"," * @param {Array} matrix An nxn matrix represented an array of vector (column) arrays. Each vector array has index for each row."," * @return Number"," */"," getDeterminant: function(matrix)"," {"," var determinant = 0,"," len = matrix.length,"," i = 0,"," multiplier;",""," if(len == 2)"," {"," return matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];"," }"," for(; i < len; ++i)"," {"," multiplier = matrix[i][0];"," if(i % 2 === 0 || i === 0)"," {"," determinant += multiplier * MatrixUtil.getDeterminant(MatrixUtil.getMinors(matrix, i, 0)); "," }"," else"," {"," determinant -= multiplier * MatrixUtil.getDeterminant(MatrixUtil.getMinors(matrix, i, 0));"," }"," }"," return determinant;"," },",""," /**"," * Returns the inverse of a matrix"," *"," * @method inverse"," * @param Array matrix An array representing an nxn matrix"," * @return Array"," *"," * / \\"," * | matrix[0][0] matrix[1][0] matrix[2][0] |"," * | matrix[0][1] matrix[1][1] matrix[2][1] |"," * | matrix[0][2] matrix[1][2] matrix[2][2] |"," * | matrix[0][3] matrix[1][3] matrix[2][3] |"," * \\ /"," */"," inverse: function(matrix)"," {"," var determinant = 0,"," len = matrix.length,"," i = 0,"," j,"," inverse,"," adjunct = [],"," //vector representing 2x2 matrix"," minor = [];"," if(len === 2) "," {"," determinant = matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];"," inverse = ["," [matrix[1][1] * determinant, -matrix[1][0] * determinant],"," [-matrix[0][1] * determinant, matrix[0][0] * determinant]"," ]; "," }"," else"," {"," determinant = MatrixUtil.getDeterminant(matrix);"," for(; i < len; ++i)"," {"," adjunct[i] = [];"," for(j = 0; j < len; ++j)"," {"," minor = MatrixUtil.getMinors(matrix, j, i);"," adjunct[i][j] = MatrixUtil.getDeterminant(minor);"," if((i + j) % 2 !== 0 && (i + j) !== 0)"," {"," adjunct[i][j] *= -1;"," }"," }"," }"," inverse = MatrixUtil.scalarMultiply(adjunct, 1/determinant);"," }"," return inverse;"," },",""," /**"," * Multiplies a matrix by a numeric value."," *"," * @method scalarMultiply"," * @param {Array} matrix The matrix to be altered."," * @param {Number} multiplier The number to multiply against the matrix."," * @return Array"," */"," scalarMultiply: function(matrix, multiplier)"," {"," var i = 0,"," j,"," len = matrix.length;"," for(; i < len; ++i)"," {"," for(j = 0; j < len; ++j)"," {"," matrix[i][j] = MatrixUtil._round(matrix[i][j] * multiplier);"," }"," }"," return matrix;"," },",""," /**"," * Returns the transpose for an nxn matrix."," *"," * @method transpose"," * @param matrix An nxn matrix represented by an array of vector arrays."," * @return Array"," */"," transpose: function(matrix)"," {"," var len = matrix.length,"," i = 0,"," j = 0,"," transpose = [];"," for(; i < len; ++i)"," {"," transpose[i] = [];"," for(j = 0; j < len; ++j)"," {"," transpose[i].push(matrix[j][i]);"," }"," }"," return transpose;"," },",""," /**"," * Returns a matrix of minors based on a matrix, column index and row index."," *"," * @method getMinors"," * @param {Array} matrix The matrix from which to extract the matrix of minors."," * @param {Number} columnIndex A zero-based index representing the specified column to exclude."," * @param {Number} rowIndex A zero-based index represeenting the specified row to exclude."," * @return Array"," */"," getMinors: function(matrix, columnIndex, rowIndex)"," {"," var minors = [],"," len = matrix.length,"," i = 0,"," j,"," column;"," for(; i < len; ++i)"," {"," if(i !== columnIndex)"," {"," column = [];"," for(j = 0; j < len; ++j)"," {"," if(j !== rowIndex)"," {"," column.push(matrix[i][j]);"," }"," }"," minors.push(column);"," }"," }"," return minors;"," },",""," /**"," * Returns the sign of value"," *"," * @method sign"," * @param {Number} val value to be interpreted"," * @return Number"," */"," sign: function(val)"," {"," return val === 0 ? 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"," *"," * @method multiple"," * @param {Number} a "," * @param {Number} b"," * @param {Number} c"," * @param {Number} d"," * @param {Number} dx"," * @param {Number} dy"," */"," multiply: function(a, b, c, d, dx, dy) {"," var matrix = this,"," matrix_a = matrix.a * a + matrix.c * b,"," matrix_b = matrix.b * a + matrix.d * b,"," matrix_c = matrix.a * c + matrix.c * d,"," matrix_d = matrix.b * c + matrix.d * d,"," matrix_dx = matrix.a * dx + matrix.c * dy + matrix.dx,"," matrix_dy = matrix.b * dx + matrix.d * dy + matrix.dy;",""," matrix.a = this._round(matrix_a);"," matrix.b = this._round(matrix_b);"," matrix.c = this._round(matrix_c);"," matrix.d = this._round(matrix_d);"," matrix.dx = this._round(matrix_dx);"," matrix.dy = this._round(matrix_dy);"," return this;"," },",""," /**"," * Parses a string and updates the matrix."," *"," * @method applyCSSText"," * @param {String} val A css transform string"," */"," applyCSSText: function(val) {"," var re = /\\s*([a-z]*)\\(([\\w,\\.,\\-,\\s]*)\\)/gi,"," args,"," m;",""," val = val.replace(/matrix/g, \"multiply\");"," while ((m = re.exec(val))) {"," if (typeof this[m[1]] === 'function') {"," args = m[2].split(',');"," this[m[1]].apply(this, args);"," }"," }"," },"," "," /**"," * Parses a string and returns an array of transform arrays."," *"," * @method getTransformArray "," * @param {String} val A css transform string"," * @return Array"," */"," getTransformArray: function(val) {"," var re = /\\s*([a-z]*)\\(([\\w,\\.,\\-,\\s]*)\\)/gi,"," transforms = [],"," args,"," m;"," "," val = val.replace(/matrix/g, \"multiply\");"," while ((m = re.exec(val))) {"," if (typeof this[m[1]] === 'function') {"," args = m[2].split(',');"," args.unshift(m[1]);"," transforms.push(args);"," }"," }"," return transforms;"," },",""," /**"," * Default values for the matrix"," *"," * @property _defaults"," * @private"," */"," _defaults: {"," a: 1,"," b: 0,"," c: 0,"," d: 1,"," dx: 0,"," dy: 0"," },",""," /**"," * Rounds values"," *"," * @method _round"," * @private"," */"," _round: function(val) {"," val = Math.round(val * this._rounder) / this._rounder;"," return val;"," },",""," /**"," * Initializes a matrix."," *"," * @method init"," * @param {Object} config Specified key value pairs for matrix properties. 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var MatrixUtil = {
/**
* Used as value for the _rounding method.
*
* @property _rounder
* @private
*/
_rounder: 100000,
/**
* Rounds values
*
* @method _round
* @private
*/
_round: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "_round", 18);
_yuitest_coverline("build/matrix/matrix.js", 19);
val = Math.round(val * MatrixUtil._rounder) / MatrixUtil._rounder;
_yuitest_coverline("build/matrix/matrix.js", 20);
return val;
},
/**
* Converts a radian value to a degree.
*
* @method rad2deg
* @param {Number} rad Radian value to be converted.
* @return Number
*/
rad2deg: function(rad) {
_yuitest_coverfunc("build/matrix/matrix.js", "rad2deg", 29);
_yuitest_coverline("build/matrix/matrix.js", 30);
var deg = rad * (180 / Math.PI);
_yuitest_coverline("build/matrix/matrix.js", 31);
return deg;
},
/**
* Converts a degree value to a radian.
*
* @method deg2rad
* @param {Number} deg Degree value to be converted to radian.
* @return Number
*/
deg2rad: function(deg) {
_yuitest_coverfunc("build/matrix/matrix.js", "deg2rad", 41);
_yuitest_coverline("build/matrix/matrix.js", 42);
var rad = deg * (Math.PI / 180);
_yuitest_coverline("build/matrix/matrix.js", 43);
return rad;
},
/**
* Converts an angle to a radian
*
* @method angle2rad
* @param {Objecxt} val Value to be converted to radian.
* @return Number
*/
angle2rad: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "angle2rad", 53);
_yuitest_coverline("build/matrix/matrix.js", 54);
if (typeof val === 'string' && val.indexOf('rad') > -1) {
_yuitest_coverline("build/matrix/matrix.js", 55);
val = parseFloat(val);
} else { // default to deg
_yuitest_coverline("build/matrix/matrix.js", 57);
val = MatrixUtil.deg2rad(parseFloat(val));
}
_yuitest_coverline("build/matrix/matrix.js", 60);
return val;
},
/**
* Converts a transform object to an array of column vectors.
*
* / \
* | matrix[0][0] matrix[1][0] matrix[2][0] |
* | matrix[0][1] matrix[1][1] matrix[2][1] |
* | matrix[0][2] matrix[1][2] matrix[2][2] |
* \ /
*
* @method getnxn
* @return Array
*/
convertTransformToArray: function(matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "convertTransformToArray", 75);
_yuitest_coverline("build/matrix/matrix.js", 77);
var matrixArray = [
[matrix.a, matrix.c, matrix.dx],
[matrix.b, matrix.d, matrix.dy],
[0, 0, 1]
];
_yuitest_coverline("build/matrix/matrix.js", 82);
return matrixArray;
},
/**
* Returns the determinant of a given matrix.
*
* / \
* | matrix[0][0] matrix[1][0] matrix[2][0] |
* | matrix[0][1] matrix[1][1] matrix[2][1] |
* | matrix[0][2] matrix[1][2] matrix[2][2] |
* | matrix[0][3] matrix[1][3] matrix[2][3] |
* \ /
*
* @method getDeterminant
* @param {Array} matrix An nxn matrix represented an array of vector (column) arrays. Each vector array has index for each row.
* @return Number
*/
getDeterminant: function(matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "getDeterminant", 99);
_yuitest_coverline("build/matrix/matrix.js", 101);
var determinant = 0,
len = matrix.length,
i = 0,
multiplier;
_yuitest_coverline("build/matrix/matrix.js", 106);
if(len == 2)
{
_yuitest_coverline("build/matrix/matrix.js", 108);
return matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];
}
_yuitest_coverline("build/matrix/matrix.js", 110);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 112);
multiplier = matrix[i][0];
_yuitest_coverline("build/matrix/matrix.js", 113);
if(i % 2 === 0 || i === 0)
{
_yuitest_coverline("build/matrix/matrix.js", 115);
determinant += multiplier * MatrixUtil.getDeterminant(MatrixUtil.getMinors(matrix, i, 0));
}
else
{
_yuitest_coverline("build/matrix/matrix.js", 119);
determinant -= multiplier * MatrixUtil.getDeterminant(MatrixUtil.getMinors(matrix, i, 0));
}
}
_yuitest_coverline("build/matrix/matrix.js", 122);
return determinant;
},
/**
* Returns the inverse of a matrix
*
* @method inverse
* @param Array matrix An array representing an nxn matrix
* @return Array
*
* / \
* | matrix[0][0] matrix[1][0] matrix[2][0] |
* | matrix[0][1] matrix[1][1] matrix[2][1] |
* | matrix[0][2] matrix[1][2] matrix[2][2] |
* | matrix[0][3] matrix[1][3] matrix[2][3] |
* \ /
*/
inverse: function(matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "inverse", 139);
_yuitest_coverline("build/matrix/matrix.js", 141);
var determinant = 0,
len = matrix.length,
i = 0,
j,
inverse,
adjunct = [],
//vector representing 2x2 matrix
minor = [];
_yuitest_coverline("build/matrix/matrix.js", 149);
if(len === 2)
{
_yuitest_coverline("build/matrix/matrix.js", 151);
determinant = matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];
_yuitest_coverline("build/matrix/matrix.js", 152);
inverse = [
[matrix[1][1] * determinant, -matrix[1][0] * determinant],
[-matrix[0][1] * determinant, matrix[0][0] * determinant]
];
}
else
{
_yuitest_coverline("build/matrix/matrix.js", 159);
determinant = MatrixUtil.getDeterminant(matrix);
_yuitest_coverline("build/matrix/matrix.js", 160);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 162);
adjunct[i] = [];
_yuitest_coverline("build/matrix/matrix.js", 163);
for(j = 0; j < len; ++j)
{
_yuitest_coverline("build/matrix/matrix.js", 165);
minor = MatrixUtil.getMinors(matrix, j, i);
_yuitest_coverline("build/matrix/matrix.js", 166);
adjunct[i][j] = MatrixUtil.getDeterminant(minor);
_yuitest_coverline("build/matrix/matrix.js", 167);
if((i + j) % 2 !== 0 && (i + j) !== 0)
{
_yuitest_coverline("build/matrix/matrix.js", 169);
adjunct[i][j] *= -1;
}
}
}
_yuitest_coverline("build/matrix/matrix.js", 173);
inverse = MatrixUtil.scalarMultiply(adjunct, 1/determinant);
}
_yuitest_coverline("build/matrix/matrix.js", 175);
return inverse;
},
/**
* Multiplies a matrix by a numeric value.
*
* @method scalarMultiply
* @param {Array} matrix The matrix to be altered.
* @param {Number} multiplier The number to multiply against the matrix.
* @return Array
*/
scalarMultiply: function(matrix, multiplier)
{
_yuitest_coverfunc("build/matrix/matrix.js", "scalarMultiply", 186);
_yuitest_coverline("build/matrix/matrix.js", 188);
var i = 0,
j,
len = matrix.length;
_yuitest_coverline("build/matrix/matrix.js", 191);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 193);
for(j = 0; j < len; ++j)
{
_yuitest_coverline("build/matrix/matrix.js", 195);
matrix[i][j] = MatrixUtil._round(matrix[i][j] * multiplier);
}
}
_yuitest_coverline("build/matrix/matrix.js", 198);
return matrix;
},
/**
* Returns the transpose for an nxn matrix.
*
* @method transpose
* @param matrix An nxn matrix represented by an array of vector arrays.
* @return Array
*/
transpose: function(matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "transpose", 208);
_yuitest_coverline("build/matrix/matrix.js", 210);
var len = matrix.length,
i = 0,
j = 0,
transpose = [];
_yuitest_coverline("build/matrix/matrix.js", 214);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 216);
transpose[i] = [];
_yuitest_coverline("build/matrix/matrix.js", 217);
for(j = 0; j < len; ++j)
{
_yuitest_coverline("build/matrix/matrix.js", 219);
transpose[i].push(matrix[j][i]);
}
}
_yuitest_coverline("build/matrix/matrix.js", 222);
return transpose;
},
/**
* Returns a matrix of minors based on a matrix, column index and row index.
*
* @method getMinors
* @param {Array} matrix The matrix from which to extract the matrix of minors.
* @param {Number} columnIndex A zero-based index representing the specified column to exclude.
* @param {Number} rowIndex A zero-based index represeenting the specified row to exclude.
* @return Array
*/
getMinors: function(matrix, columnIndex, rowIndex)
{
_yuitest_coverfunc("build/matrix/matrix.js", "getMinors", 234);
_yuitest_coverline("build/matrix/matrix.js", 236);
var minors = [],
len = matrix.length,
i = 0,
j,
column;
_yuitest_coverline("build/matrix/matrix.js", 241);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 243);
if(i !== columnIndex)
{
_yuitest_coverline("build/matrix/matrix.js", 245);
column = [];
_yuitest_coverline("build/matrix/matrix.js", 246);
for(j = 0; j < len; ++j)
{
_yuitest_coverline("build/matrix/matrix.js", 248);
if(j !== rowIndex)
{
_yuitest_coverline("build/matrix/matrix.js", 250);
column.push(matrix[i][j]);
}
}
_yuitest_coverline("build/matrix/matrix.js", 253);
minors.push(column);
}
}
_yuitest_coverline("build/matrix/matrix.js", 256);
return minors;
},
/**
* Returns the sign of value
*
* @method sign
* @param {Number} val value to be interpreted
* @return Number
*/
sign: function(val)
{
_yuitest_coverfunc("build/matrix/matrix.js", "sign", 266);
_yuitest_coverline("build/matrix/matrix.js", 268);
return val === 0 ? 1 : val/Math.abs(val);
},
/**
* Multiplies a vector and a matrix
*
* @method vectorMatrixProduct
* @param {Array} vector Array representing a column vector
* @param {Array} matrix Array representing an nxn matrix
* @return Array
*/
vectorMatrixProduct: function(vector, matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "vectorMatrixProduct", 279);
_yuitest_coverline("build/matrix/matrix.js", 281);
var i,
j,
len = vector.length,
product = [],
rowProduct;
_yuitest_coverline("build/matrix/matrix.js", 286);
for(i = 0; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 288);
rowProduct = 0;
_yuitest_coverline("build/matrix/matrix.js", 289);
for(j = 0; j < len; ++j)
{
_yuitest_coverline("build/matrix/matrix.js", 291);
rowProduct += vector[i] * matrix[i][j];
}
_yuitest_coverline("build/matrix/matrix.js", 293);
product[i] = rowProduct;
}
_yuitest_coverline("build/matrix/matrix.js", 295);
return product;
},
/**
* Breaks up a 2d transform matrix into a series of transform operations.
*
* @method decompose
* @param {Array} 3x3 matrix array
* @return Array
*/
decompose: function(matrix)
{
_yuitest_coverfunc("build/matrix/matrix.js", "decompose", 305);
_yuitest_coverline("build/matrix/matrix.js", 307);
var a = parseFloat(matrix[0][0]),
b = parseFloat(matrix[1][0]),
c = parseFloat(matrix[0][1]),
d = parseFloat(matrix[1][1]),
dx = parseFloat(matrix[0][2]),
dy = parseFloat(matrix[1][2]),
rotate,
sx,
sy,
shear;
_yuitest_coverline("build/matrix/matrix.js", 317);
if((a * d - b * c) === 0)
{
_yuitest_coverline("build/matrix/matrix.js", 319);
return false;
}
//get length of vector(ab)
_yuitest_coverline("build/matrix/matrix.js", 322);
sx = MatrixUtil._round(Math.sqrt(a * a + b * b));
//normalize components of vector(ab)
_yuitest_coverline("build/matrix/matrix.js", 324);
a /= sx;
_yuitest_coverline("build/matrix/matrix.js", 325);
b /= sx;
_yuitest_coverline("build/matrix/matrix.js", 326);
shear = MatrixUtil._round(a * c + b * d);
_yuitest_coverline("build/matrix/matrix.js", 327);
c -= a * shear;
_yuitest_coverline("build/matrix/matrix.js", 328);
d -= b * shear;
//get length of vector(cd)
_yuitest_coverline("build/matrix/matrix.js", 330);
sy = MatrixUtil._round(Math.sqrt(c * c + d * d));
//normalize components of vector(cd)
_yuitest_coverline("build/matrix/matrix.js", 332);
c /= sy;
_yuitest_coverline("build/matrix/matrix.js", 333);
d /= sy;
_yuitest_coverline("build/matrix/matrix.js", 334);
shear /=sy;
_yuitest_coverline("build/matrix/matrix.js", 335);
shear = MatrixUtil._round(MatrixUtil.rad2deg(Math.atan(shear)));
_yuitest_coverline("build/matrix/matrix.js", 336);
rotate = MatrixUtil._round(MatrixUtil.rad2deg(Math.atan2(matrix[1][0], matrix[0][0])));
_yuitest_coverline("build/matrix/matrix.js", 338);
return [
["translate", dx, dy],
["rotate", rotate],
["skewX", shear],
["scale", sx, sy]
];
},
/**
* Parses a transform string and returns an array of transform arrays.
*
* @method getTransformArray
* @param {String} val A transform string
* @return Array
*/
getTransformArray: function(transform) {
_yuitest_coverfunc("build/matrix/matrix.js", "getTransformArray", 353);
_yuitest_coverline("build/matrix/matrix.js", 354);
var re = /\s*([a-z]*)\(([\w,\.,\-,\s]*)\)/gi,
transforms = [],
args,
m,
decomp,
methods = MatrixUtil.transformMethods;
_yuitest_coverline("build/matrix/matrix.js", 361);
while ((m = re.exec(transform))) {
_yuitest_coverline("build/matrix/matrix.js", 362);
if (methods.hasOwnProperty(m[1]))
{
_yuitest_coverline("build/matrix/matrix.js", 364);
args = m[2].split(',');
_yuitest_coverline("build/matrix/matrix.js", 365);
args.unshift(m[1]);
_yuitest_coverline("build/matrix/matrix.js", 366);
transforms.push(args);
}
else {_yuitest_coverline("build/matrix/matrix.js", 368);
if(m[1] == "matrix")
{
_yuitest_coverline("build/matrix/matrix.js", 370);
args = m[2].split(',');
_yuitest_coverline("build/matrix/matrix.js", 371);
decomp = MatrixUtil.decompose([
[args[0], args[2], args[4]],
[args[1], args[3], args[5]],
[0, 0, 1]
]);
_yuitest_coverline("build/matrix/matrix.js", 376);
transforms.push(decomp[0]);
_yuitest_coverline("build/matrix/matrix.js", 377);
transforms.push(decomp[1]);
_yuitest_coverline("build/matrix/matrix.js", 378);
transforms.push(decomp[2]);
_yuitest_coverline("build/matrix/matrix.js", 379);
transforms.push(decomp[3]);
}}
}
_yuitest_coverline("build/matrix/matrix.js", 382);
return transforms;
},
/**
* Returns an array of transform arrays representing transform functions and arguments.
*
* @method getTransformFunctionArray
* @return Array
*/
getTransformFunctionArray: function(transform) {
_yuitest_coverfunc("build/matrix/matrix.js", "getTransformFunctionArray", 391);
_yuitest_coverline("build/matrix/matrix.js", 392);
var list;
_yuitest_coverline("build/matrix/matrix.js", 393);
switch(transform)
{
case "skew" :
_yuitest_coverline("build/matrix/matrix.js", 396);
list = [transform, 0, 0];
_yuitest_coverline("build/matrix/matrix.js", 397);
break;
case "scale" :
_yuitest_coverline("build/matrix/matrix.js", 399);
list = [transform, 1, 1];
_yuitest_coverline("build/matrix/matrix.js", 400);
break;
case "scaleX" :
_yuitest_coverline("build/matrix/matrix.js", 402);
list = [transform, 1];
_yuitest_coverline("build/matrix/matrix.js", 403);
break;
case "scaleY" :
_yuitest_coverline("build/matrix/matrix.js", 405);
list = [transform, 1];
_yuitest_coverline("build/matrix/matrix.js", 406);
break;
case "translate" :
_yuitest_coverline("build/matrix/matrix.js", 408);
list = [transform, 0, 0];
_yuitest_coverline("build/matrix/matrix.js", 409);
break;
default :
_yuitest_coverline("build/matrix/matrix.js", 411);
list = [transform, 0];
_yuitest_coverline("build/matrix/matrix.js", 412);
break;
}
_yuitest_coverline("build/matrix/matrix.js", 414);
return list;
},
/**
* Compares to arrays or transform functions to ensure both contain the same functions in the same
* order.
*
* @method compareTransformSequence
* @param {Array} list1 Array to compare
* @param {Array} list2 Array to compare
* @return Boolean
*/
compareTransformSequence: function(list1, list2)
{
_yuitest_coverfunc("build/matrix/matrix.js", "compareTransformSequence", 426);
_yuitest_coverline("build/matrix/matrix.js", 428);
var i = 0,
len = list1.length,
len2 = list2.length,
isEqual = len === len2;
_yuitest_coverline("build/matrix/matrix.js", 432);
if(isEqual)
{
_yuitest_coverline("build/matrix/matrix.js", 434);
for(; i < len; ++i)
{
_yuitest_coverline("build/matrix/matrix.js", 436);
if(list1[i][0] != list2[i][0])
{
_yuitest_coverline("build/matrix/matrix.js", 438);
isEqual = false;
_yuitest_coverline("build/matrix/matrix.js", 439);
break;
}
}
}
_yuitest_coverline("build/matrix/matrix.js", 443);
return isEqual;
},
/**
* Mapping of possible transform method names.
*
* @property transformMethods
* @type Object
*/
transformMethods: {
rotate: "rotate",
skew: "skew",
skewX: "skewX",
skewY: "skewY",
translate: "translate",
translateX: "translateX",
translateY: "tranlsateY",
scale: "scale",
scaleX: "scaleX",
scaleY: "scaleY"
}
};
_yuitest_coverline("build/matrix/matrix.js", 467);
Y.MatrixUtil = MatrixUtil;
/**
* Matrix is a class that allows for the manipulation of a transform matrix.
* This class is a work in progress.
*
* @class Matrix
* @constructor
* @module matrix
*/
_yuitest_coverline("build/matrix/matrix.js", 477);
var Matrix = function(config) {
_yuitest_coverfunc("build/matrix/matrix.js", "Matrix", 477);
_yuitest_coverline("build/matrix/matrix.js", 478);
this.init(config);
};
_yuitest_coverline("build/matrix/matrix.js", 481);
Matrix.prototype = {
/**
* Used as value for the _rounding method.
*
* @property _rounder
* @private
*/
_rounder: 100000,
/**
* Updates the matrix.
*
* @method multiple
* @param {Number} a
* @param {Number} b
* @param {Number} c
* @param {Number} d
* @param {Number} dx
* @param {Number} dy
*/
multiply: function(a, b, c, d, dx, dy) {
_yuitest_coverfunc("build/matrix/matrix.js", "multiply", 501);
_yuitest_coverline("build/matrix/matrix.js", 502);
var matrix = this,
matrix_a = matrix.a * a + matrix.c * b,
matrix_b = matrix.b * a + matrix.d * b,
matrix_c = matrix.a * c + matrix.c * d,
matrix_d = matrix.b * c + matrix.d * d,
matrix_dx = matrix.a * dx + matrix.c * dy + matrix.dx,
matrix_dy = matrix.b * dx + matrix.d * dy + matrix.dy;
_yuitest_coverline("build/matrix/matrix.js", 510);
matrix.a = this._round(matrix_a);
_yuitest_coverline("build/matrix/matrix.js", 511);
matrix.b = this._round(matrix_b);
_yuitest_coverline("build/matrix/matrix.js", 512);
matrix.c = this._round(matrix_c);
_yuitest_coverline("build/matrix/matrix.js", 513);
matrix.d = this._round(matrix_d);
_yuitest_coverline("build/matrix/matrix.js", 514);
matrix.dx = this._round(matrix_dx);
_yuitest_coverline("build/matrix/matrix.js", 515);
matrix.dy = this._round(matrix_dy);
_yuitest_coverline("build/matrix/matrix.js", 516);
return this;
},
/**
* Parses a string and updates the matrix.
*
* @method applyCSSText
* @param {String} val A css transform string
*/
applyCSSText: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "applyCSSText", 525);
_yuitest_coverline("build/matrix/matrix.js", 526);
var re = /\s*([a-z]*)\(([\w,\.,\-,\s]*)\)/gi,
args,
m;
_yuitest_coverline("build/matrix/matrix.js", 530);
val = val.replace(/matrix/g, "multiply");
_yuitest_coverline("build/matrix/matrix.js", 531);
while ((m = re.exec(val))) {
_yuitest_coverline("build/matrix/matrix.js", 532);
if (typeof this[m[1]] === 'function') {
_yuitest_coverline("build/matrix/matrix.js", 533);
args = m[2].split(',');
_yuitest_coverline("build/matrix/matrix.js", 534);
this[m[1]].apply(this, args);
}
}
},
/**
* Parses a string and returns an array of transform arrays.
*
* @method getTransformArray
* @param {String} val A css transform string
* @return Array
*/
getTransformArray: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "getTransformArray", 546);
_yuitest_coverline("build/matrix/matrix.js", 547);
var re = /\s*([a-z]*)\(([\w,\.,\-,\s]*)\)/gi,
transforms = [],
args,
m;
_yuitest_coverline("build/matrix/matrix.js", 552);
val = val.replace(/matrix/g, "multiply");
_yuitest_coverline("build/matrix/matrix.js", 553);
while ((m = re.exec(val))) {
_yuitest_coverline("build/matrix/matrix.js", 554);
if (typeof this[m[1]] === 'function') {
_yuitest_coverline("build/matrix/matrix.js", 555);
args = m[2].split(',');
_yuitest_coverline("build/matrix/matrix.js", 556);
args.unshift(m[1]);
_yuitest_coverline("build/matrix/matrix.js", 557);
transforms.push(args);
}
}
_yuitest_coverline("build/matrix/matrix.js", 560);
return transforms;
},
/**
* Default values for the matrix
*
* @property _defaults
* @private
*/
_defaults: {
a: 1,
b: 0,
c: 0,
d: 1,
dx: 0,
dy: 0
},
/**
* Rounds values
*
* @method _round
* @private
*/
_round: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "_round", 584);
_yuitest_coverline("build/matrix/matrix.js", 585);
val = Math.round(val * this._rounder) / this._rounder;
_yuitest_coverline("build/matrix/matrix.js", 586);
return val;
},
/**
* Initializes a matrix.
*
* @method init
* @param {Object} config Specified key value pairs for matrix properties. If a property is not explicitly defined in the config argument,
* the default value will be used.
*/
init: function(config) {
_yuitest_coverfunc("build/matrix/matrix.js", "init", 596);
_yuitest_coverline("build/matrix/matrix.js", 597);
var defaults = this._defaults,
prop;
_yuitest_coverline("build/matrix/matrix.js", 600);
config = config || {};
_yuitest_coverline("build/matrix/matrix.js", 602);
for (prop in defaults) {
_yuitest_coverline("build/matrix/matrix.js", 603);
if(defaults.hasOwnProperty(prop))
{
_yuitest_coverline("build/matrix/matrix.js", 605);
this[prop] = (prop in config) ? config[prop] : defaults[prop];
}
}
_yuitest_coverline("build/matrix/matrix.js", 609);
this._config = config;
},
/**
* Applies a scale transform
*
* @method scale
* @param {Number} val
*/
scale: function(x, y) {
_yuitest_coverfunc("build/matrix/matrix.js", "scale", 618);
_yuitest_coverline("build/matrix/matrix.js", 619);
this.multiply(x, 0, 0, y, 0, 0);
_yuitest_coverline("build/matrix/matrix.js", 620);
return this;
},
/**
* Applies a skew transformation.
*
* @method skew
* @param {Number} x The value to skew on the x-axis.
* @param {Number} y The value to skew on the y-axis.
*/
skew: function(x, y) {
_yuitest_coverfunc("build/matrix/matrix.js", "skew", 630);
_yuitest_coverline("build/matrix/matrix.js", 631);
x = x || 0;
_yuitest_coverline("build/matrix/matrix.js", 632);
y = y || 0;
_yuitest_coverline("build/matrix/matrix.js", 634);
if (x !== undefined) { // null or undef
_yuitest_coverline("build/matrix/matrix.js", 635);
x = Math.tan(this.angle2rad(x));
}
_yuitest_coverline("build/matrix/matrix.js", 639);
if (y !== undefined) { // null or undef
_yuitest_coverline("build/matrix/matrix.js", 640);
y = Math.tan(this.angle2rad(y));
}
_yuitest_coverline("build/matrix/matrix.js", 643);
this.multiply(1, y, x, 1, 0, 0);
_yuitest_coverline("build/matrix/matrix.js", 644);
return this;
},
/**
* Applies a skew to the x-coordinate
*
* @method skewX
* @param {Number} x x-coordinate
*/
skewX: function(x) {
_yuitest_coverfunc("build/matrix/matrix.js", "skewX", 653);
_yuitest_coverline("build/matrix/matrix.js", 654);
this.skew(x);
_yuitest_coverline("build/matrix/matrix.js", 655);
return this;
},
/**
* Applies a skew to the y-coordinate
*
* @method skewY
* @param {Number} y y-coordinate
*/
skewY: function(y) {
_yuitest_coverfunc("build/matrix/matrix.js", "skewY", 664);
_yuitest_coverline("build/matrix/matrix.js", 665);
this.skew(null, y);
_yuitest_coverline("build/matrix/matrix.js", 666);
return this;
},
/**
* Returns a string of text that can be used to populate a the css transform property of an element.
*
* @method toCSSText
* @return String
*/
toCSSText: function() {
_yuitest_coverfunc("build/matrix/matrix.js", "toCSSText", 675);
_yuitest_coverline("build/matrix/matrix.js", 676);
var matrix = this,
text = 'matrix(' +
matrix.a + ',' +
matrix.b + ',' +
matrix.c + ',' +
matrix.d + ',' +
matrix.dx + ',' +
matrix.dy + ')';
_yuitest_coverline("build/matrix/matrix.js", 684);
return text;
},
/**
* Returns a string that can be used to populate the css filter property of an element.
*
* @method toFilterText
* @return String
*/
toFilterText: function() {
_yuitest_coverfunc("build/matrix/matrix.js", "toFilterText", 693);
_yuitest_coverline("build/matrix/matrix.js", 694);
var matrix = this,
text = 'progid:DXImageTransform.Microsoft.Matrix(';
_yuitest_coverline("build/matrix/matrix.js", 696);
text += 'M11=' + matrix.a + ',' +
'M21=' + matrix.b + ',' +
'M12=' + matrix.c + ',' +
'M22=' + matrix.d + ',' +
'sizingMethod="auto expand")';
_yuitest_coverline("build/matrix/matrix.js", 702);
text += '';
_yuitest_coverline("build/matrix/matrix.js", 704);
return text;
},
/**
* Converts a radian value to a degree.
*
* @method rad2deg
* @param {Number} rad Radian value to be converted.
* @return Number
*/
rad2deg: function(rad) {
_yuitest_coverfunc("build/matrix/matrix.js", "rad2deg", 714);
_yuitest_coverline("build/matrix/matrix.js", 715);
var deg = rad * (180 / Math.PI);
_yuitest_coverline("build/matrix/matrix.js", 716);
return deg;
},
/**
* Converts a degree value to a radian.
*
* @method deg2rad
* @param {Number} deg Degree value to be converted to radian.
* @return Number
*/
deg2rad: function(deg) {
_yuitest_coverfunc("build/matrix/matrix.js", "deg2rad", 726);
_yuitest_coverline("build/matrix/matrix.js", 727);
var rad = deg * (Math.PI / 180);
_yuitest_coverline("build/matrix/matrix.js", 728);
return rad;
},
angle2rad: function(val) {
_yuitest_coverfunc("build/matrix/matrix.js", "angle2rad", 731);
_yuitest_coverline("build/matrix/matrix.js", 732);
if (typeof val === 'string' && val.indexOf('rad') > -1) {
_yuitest_coverline("build/matrix/matrix.js", 733);
val = parseFloat(val);
} else { // default to deg
_yuitest_coverline("build/matrix/matrix.js", 735);
val = this.deg2rad(parseFloat(val));
}
_yuitest_coverline("build/matrix/matrix.js", 738);
return val;
},
/**
* Applies a rotate transform.
*
* @method rotate
* @param {Number} deg The degree of the rotation.
*/
rotate: function(deg, x, y) {
_yuitest_coverfunc("build/matrix/matrix.js", "rotate", 747);
_yuitest_coverline("build/matrix/matrix.js", 748);
var rad = this.angle2rad(deg),
sin = Math.sin(rad),
cos = Math.cos(rad);
_yuitest_coverline("build/matrix/matrix.js", 751);
this.multiply(cos, sin, 0 - sin, cos, 0, 0);
_yuitest_coverline("build/matrix/matrix.js", 752);
return this;
},
/**
* Applies translate transformation.
*
* @method translate
* @param {Number} x The value to transate on the x-axis.
* @param {Number} y The value to translate on the y-axis.
*/
translate: function(x, y) {
_yuitest_coverfunc("build/matrix/matrix.js", "translate", 762);
_yuitest_coverline("build/matrix/matrix.js", 763);
x = parseFloat(x) || 0;
_yuitest_coverline("build/matrix/matrix.js", 764);
y = parseFloat(y) || 0;
_yuitest_coverline("build/matrix/matrix.js", 765);
this.multiply(1, 0, 0, 1, x, y);
_yuitest_coverline("build/matrix/matrix.js", 766);
return this;
},
/**
* Applies a translate to the x-coordinate
*
* @method translateX
* @param {Number} x x-coordinate
*/
translateX: function(x) {
_yuitest_coverfunc("build/matrix/matrix.js", "translateX", 775);
_yuitest_coverline("build/matrix/matrix.js", 776);
this.translate(x);
_yuitest_coverline("build/matrix/matrix.js", 777);
return this;
},
/**
* Applies a translate to the y-coordinate
*
* @method translateY
* @param {Number} y y-coordinate
*/
translateY: function(y) {
_yuitest_coverfunc("build/matrix/matrix.js", "translateY", 786);
_yuitest_coverline("build/matrix/matrix.js", 787);
this.translate(null, y);
_yuitest_coverline("build/matrix/matrix.js", 788);
return this;
},
/**
* Returns an identity matrix.
*
* @method identity
* @return Object
*/
identity: function() {
_yuitest_coverfunc("build/matrix/matrix.js", "identity", 798);
_yuitest_coverline("build/matrix/matrix.js", 799);
var config = this._config,
defaults = this._defaults,
prop;
_yuitest_coverline("build/matrix/matrix.js", 803);
for (prop in config) {
_yuitest_coverline("build/matrix/matrix.js", 804);
if (prop in defaults) {
_yuitest_coverline("build/matrix/matrix.js", 805);
this[prop] = defaults[prop];
}
}
_yuitest_coverline("build/matrix/matrix.js", 808);
return this;
},
/**
* Returns a 3x3 Matrix array
*
* / \
* | matrix[0][0] matrix[1][0] matrix[2][0] |
* | matrix[0][1] matrix[1][1] matrix[2][1] |
* | matrix[0][2] matrix[1][2] matrix[2][2] |
* \ /
*
* @method getMatrixArray
* @return Array
*/
getMatrixArray: function()
{
_yuitest_coverfunc("build/matrix/matrix.js", "getMatrixArray", 823);
_yuitest_coverline("build/matrix/matrix.js", 825);
var matrix = this,
matrixArray = [
[matrix.a, matrix.c, matrix.dx],
[matrix.b, matrix.d, matrix.dy],
[0, 0, 1]
];
_yuitest_coverline("build/matrix/matrix.js", 831);
return matrixArray;
},
/**
* Returns the left, top, right and bottom coordinates for a transformed
* item.
*
* @method getContentRect
* @param {Number} width The width of the item.
* @param {Number} height The height of the item.
* @param {Number} x The x-coordinate of the item.
* @param {Number} y The y-coordinate of the item.
* @return Object
*/
getContentRect: function(width, height, x, y)
{
_yuitest_coverfunc("build/matrix/matrix.js", "getContentRect", 845);
_yuitest_coverline("build/matrix/matrix.js", 847);
var left = !isNaN(x) ? x : 0,
top = !isNaN(y) ? y : 0,
right = left + width,
bottom = top + height,
matrix = this,
a = matrix.a,
b = matrix.b,
c = matrix.c,
d = matrix.d,
dx = matrix.dx,
dy = matrix.dy,
x1 = (a * left + c * top + dx),
y1 = (b * left + d * top + dy),
//[x2, y2]
x2 = (a * right + c * top + dx),
y2 = (b * right + d * top + dy),
//[x3, y3]
x3 = (a * left + c * bottom + dx),
y3 = (b * left + d * bottom + dy),
//[x4, y4]
x4 = (a * right + c * bottom + dx),
y4 = (b * right + d * bottom + dy);
_yuitest_coverline("build/matrix/matrix.js", 869);
return {
left: Math.min(x3, Math.min(x1, Math.min(x2, x4))),
right: Math.max(x3, Math.max(x1, Math.max(x2, x4))),
top: Math.min(y2, Math.min(y4, Math.min(y3, y1))),
bottom: Math.max(y2, Math.max(y4, Math.max(y3, y1)))
};
},
/**
* Returns the determinant of the matrix.
*
* @method getDeterminant
* @return Number
*/
getDeterminant: function()
{
_yuitest_coverfunc("build/matrix/matrix.js", "getDeterminant", 883);
_yuitest_coverline("build/matrix/matrix.js", 885);
return Y.MatrixUtil.getDeterminant(this.getMatrixArray());
},
/**
* Returns the inverse (in array form) of the matrix.
*
* @method inverse
* @return Array
*/
inverse: function()
{
_yuitest_coverfunc("build/matrix/matrix.js", "inverse", 894);
_yuitest_coverline("build/matrix/matrix.js", 896);
return Y.MatrixUtil.inverse(this.getMatrixArray());
},
/**
* Returns the transpose of the matrix
*
* @method transpose
* @return Array
*/
transpose: function()
{
_yuitest_coverfunc("build/matrix/matrix.js", "transpose", 905);
_yuitest_coverline("build/matrix/matrix.js", 907);
return Y.MatrixUtil.transpose(this.getMatrixArray());
},
/**
* Returns an array of transform commands that represent the matrix.
*
* @method decompose
* @return Array
*/
decompose: function()
{
_yuitest_coverfunc("build/matrix/matrix.js", "decompose", 916);
_yuitest_coverline("build/matrix/matrix.js", 918);
return Y.MatrixUtil.decompose(this.getMatrixArray());
}
};
_yuitest_coverline("build/matrix/matrix.js", 922);
Y.Matrix = Matrix;
}, '3.7.1', {"requires": ["yui-base"]});