monaca-lib
Version:
Monaca cloud API bindings for JavaScript
432 lines (389 loc) • 12.5 kB
JavaScript
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
WebInspector.Geometry = {};
/** @typedef {!{top: number, left: number, width: number, height: number}} */
WebInspector.Geometry.Rect;
/** @typedef {!{top: number, left: number}} */
WebInspector.Geometry.Insets;
/**
* @type {number}
*/
WebInspector.Geometry._Eps = 1e-5;
/**
* @constructor
* @param {number} x
* @param {number} y
* @param {number} z
*/
WebInspector.Geometry.Vector = function(x, y, z)
{
this.x = x;
this.y = y;
this.z = z;
}
WebInspector.Geometry.Vector.prototype = {
/**
* @return {number}
*/
length: function()
{
return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z);
},
normalize: function()
{
var length = this.length();
if (length <= WebInspector.Geometry._Eps)
return;
this.x /= length;
this.y /= length;
this.z /= length;
}
}
/**
* @constructor
* @param {number} x
* @param {number} y
*/
WebInspector.Geometry.Point = function(x, y) {
this.x = x;
this.y = y;
}
WebInspector.Geometry.Point.prototype = {
/**
* @param {!WebInspector.Geometry.Point} p
* @return {number}
*/
distanceTo: function(p)
{
return Math.sqrt(Math.pow(p.x - this.x, 2) + Math.pow(p.y - this.y, 2));
},
/**
* @override
* @return {string}
*/
toString: function()
{
return this.x.toFixed(2) + "," + this.y.toFixed(2);
}
}
/**
* @constructor
* @param {!WebInspector.Geometry.Point} point1
* @param {!WebInspector.Geometry.Point} point2
*/
WebInspector.Geometry.CubicBezier = function(point1, point2)
{
this.controlPoints = [point1, point2];
}
WebInspector.Geometry.CubicBezier.KeywordValues = {
"linear": "cubic-bezier(0, 0, 1, 1)",
"ease": "cubic-bezier(0.25, 0.1, 0.25, 1)",
"ease-in": "cubic-bezier(0.42, 0, 1, 1)",
"ease-in-out": "cubic-bezier(0.42, 0, 0.58, 1)",
"ease-out": "cubic-bezier(0, 0, 0.58, 1)"
}
/**
* @param {string} text
* @return {?WebInspector.Geometry.CubicBezier}
*/
WebInspector.Geometry.CubicBezier.parse = function(text)
{
var keywordValues = WebInspector.Geometry.CubicBezier.KeywordValues;
var value = text.toLowerCase().replace(/\s+/g, "");
if (Object.keys(keywordValues).indexOf(value) != -1)
return WebInspector.Geometry.CubicBezier.parse(keywordValues[value]);
var bezierRegex = /^cubic-bezier\(([^,]+),([^,]+),([^,]+),([^,]+)\)$/;
var match = value.match(bezierRegex);
if (match) {
var control1 = new WebInspector.Geometry.Point(parseFloat(match[1]), parseFloat(match[2]));
var control2 = new WebInspector.Geometry.Point(parseFloat(match[3]), parseFloat(match[4]));
return new WebInspector.Geometry.CubicBezier(control1, control2);
}
return null;
}
WebInspector.Geometry.CubicBezier.prototype = {
/**
* @param {number} t
* @return {!WebInspector.Geometry.Point}
*/
evaluateAt: function(t)
{
/**
* @param {number} v1
* @param {number} v2
* @param {number} t
*/
function evaluate(v1, v2, t)
{
return 3 * (1 - t) * (1 - t) * t * v1 + 3 * (1 - t) * t * t * v2 + Math.pow(t, 3);
}
var x = evaluate(this.controlPoints[0].x, this.controlPoints[1].x, t);
var y = evaluate(this.controlPoints[0].y, this.controlPoints[1].y, t);
return new WebInspector.Geometry.Point(x, y);
},
/**
* @return {string}
*/
asCSSText: function()
{
return "cubic-bezier(" + this.controlPoints.toString() + ")";
}
}
/**
* @constructor
* @param {number} alpha
* @param {number} beta
* @param {number} gamma
*/
WebInspector.Geometry.EulerAngles = function(alpha, beta, gamma)
{
this.alpha = alpha;
this.beta = beta;
this.gamma = gamma;
}
/**
* @param {!CSSMatrix} rotationMatrix
* @return {!WebInspector.Geometry.EulerAngles}
*/
WebInspector.Geometry.EulerAngles.fromRotationMatrix = function(rotationMatrix)
{
var beta = Math.atan2(rotationMatrix.m23, rotationMatrix.m33);
var gamma = Math.atan2(-rotationMatrix.m13, Math.sqrt(rotationMatrix.m11 * rotationMatrix.m11 + rotationMatrix.m12 * rotationMatrix.m12));
var alpha = Math.atan2(rotationMatrix.m12, rotationMatrix.m11);
return new WebInspector.Geometry.EulerAngles(WebInspector.Geometry.radToDeg(alpha), WebInspector.Geometry.radToDeg(beta), WebInspector.Geometry.radToDeg(gamma));
}
/**
* @param {!WebInspector.Geometry.Vector} u
* @param {!WebInspector.Geometry.Vector} v
* @return {number}
*/
WebInspector.Geometry.scalarProduct = function(u, v)
{
return u.x * v.x + u.y * v.y + u.z * v.z;
}
/**
* @param {!WebInspector.Geometry.Vector} u
* @param {!WebInspector.Geometry.Vector} v
* @return {!WebInspector.Geometry.Vector}
*/
WebInspector.Geometry.crossProduct = function(u, v)
{
var x = u.y * v.z - u.z * v.y;
var y = u.z * v.x - u.x * v.z;
var z = u.x * v.y - u.y * v.x;
return new WebInspector.Geometry.Vector(x, y, z);
}
/**
* @param {!WebInspector.Geometry.Vector} u
* @param {!WebInspector.Geometry.Vector} v
* @return {!WebInspector.Geometry.Vector}
*/
WebInspector.Geometry.subtract = function(u, v)
{
var x = u.x - v.x;
var y = u.y - v.y;
var z = u.z - v.z;
return new WebInspector.Geometry.Vector(x, y, z);
}
/**
* @param {!WebInspector.Geometry.Vector} v
* @param {!CSSMatrix} m
* @return {!WebInspector.Geometry.Vector}
*/
WebInspector.Geometry.multiplyVectorByMatrixAndNormalize = function(v, m)
{
var t = v.x * m.m14 + v.y * m.m24 + v.z * m.m34 + m.m44;
var x = (v.x * m.m11 + v.y * m.m21 + v.z * m.m31 + m.m41) / t;
var y = (v.x * m.m12 + v.y * m.m22 + v.z * m.m32 + m.m42) / t;
var z = (v.x * m.m13 + v.y * m.m23 + v.z * m.m33 + m.m43) / t;
return new WebInspector.Geometry.Vector(x, y, z);
}
/**
* @param {!WebInspector.Geometry.Vector} u
* @param {!WebInspector.Geometry.Vector} v
* @return {number}
*/
WebInspector.Geometry.calculateAngle = function(u, v)
{
var uLength = u.length();
var vLength = v.length();
if (uLength <= WebInspector.Geometry._Eps || vLength <= WebInspector.Geometry._Eps)
return 0;
var cos = WebInspector.Geometry.scalarProduct(u, v) / uLength / vLength;
if (Math.abs(cos) > 1)
return 0;
return WebInspector.Geometry.radToDeg(Math.acos(cos));
}
/**
* @param {number} rad
* @return {number}
*/
WebInspector.Geometry.radToDeg = function(rad)
{
return rad * 180 / Math.PI;
}
/**
* @param {!CSSMatrix} matrix
* @param {!Array.<number>} points
* @param {{minX: number, maxX: number, minY: number, maxY: number}=} aggregateBounds
* @return {!{minX: number, maxX: number, minY: number, maxY: number}}
*/
WebInspector.Geometry.boundsForTransformedPoints = function(matrix, points, aggregateBounds)
{
if (!aggregateBounds)
aggregateBounds = {minX: Infinity, maxX: -Infinity, minY: Infinity, maxY: -Infinity};
if (points.length % 3)
console.assert("Invalid size of points array");
for (var p = 0; p < points.length; p += 3) {
var vector = new WebInspector.Geometry.Vector(points[p], points[p + 1], points[p + 2]);
vector = WebInspector.Geometry.multiplyVectorByMatrixAndNormalize(vector, matrix);
aggregateBounds.minX = Math.min(aggregateBounds.minX, vector.x);
aggregateBounds.maxX = Math.max(aggregateBounds.maxX, vector.x);
aggregateBounds.minY = Math.min(aggregateBounds.minY, vector.y);
aggregateBounds.maxY = Math.max(aggregateBounds.maxY, vector.y);
}
return aggregateBounds;
}
/**
* @constructor
* @param {number} width
* @param {number} height
*/
function Size(width, height)
{
this.width = width;
this.height = height;
}
/**
* @param {?Size} size
* @return {boolean}
*/
Size.prototype.isEqual = function(size)
{
return !!size && this.width === size.width && this.height === size.height;
};
/**
* @param {!Size|number} size
* @return {!Size}
*/
Size.prototype.widthToMax = function(size)
{
return new Size(Math.max(this.width, (typeof size === "number" ? size : size.width)), this.height);
};
/**
* @param {!Size|number} size
* @return {!Size}
*/
Size.prototype.addWidth = function(size)
{
return new Size(this.width + (typeof size === "number" ? size : size.width), this.height);
};
/**
* @param {!Size|number} size
* @return {!Size}
*/
Size.prototype.heightToMax = function(size)
{
return new Size(this.width, Math.max(this.height, (typeof size === "number" ? size : size.height)));
};
/**
* @param {!Size|number} size
* @return {!Size}
*/
Size.prototype.addHeight = function(size)
{
return new Size(this.width, this.height + (typeof size === "number" ? size : size.height));
};
/**
* @constructor
* @param {!Size=} minimum
* @param {?Size=} preferred
*/
function Constraints(minimum, preferred)
{
/**
* @type {!Size}
*/
this.minimum = minimum || new Size(0, 0);
/**
* @type {!Size}
*/
this.preferred = preferred || this.minimum;
if (this.minimum.width > this.preferred.width || this.minimum.height > this.preferred.height)
throw new Error("Minimum size is greater than preferred.");
}
/**
* @param {?Constraints} constraints
* @return {boolean}
*/
Constraints.prototype.isEqual = function(constraints)
{
return !!constraints && this.minimum.isEqual(constraints.minimum) && this.preferred.isEqual(constraints.preferred);
}
/**
* @param {!Constraints|number} value
* @return {!Constraints}
*/
Constraints.prototype.widthToMax = function(value)
{
if (typeof value === "number")
return new Constraints(this.minimum.widthToMax(value), this.preferred.widthToMax(value));
return new Constraints(this.minimum.widthToMax(value.minimum), this.preferred.widthToMax(value.preferred));
}
/**
* @param {!Constraints|number} value
* @return {!Constraints}
*/
Constraints.prototype.addWidth = function(value)
{
if (typeof value === "number")
return new Constraints(this.minimum.addWidth(value), this.preferred.addWidth(value));
return new Constraints(this.minimum.addWidth(value.minimum), this.preferred.addWidth(value.preferred));
}
/**
* @param {!Constraints|number} value
* @return {!Constraints}
*/
Constraints.prototype.heightToMax = function(value)
{
if (typeof value === "number")
return new Constraints(this.minimum.heightToMax(value), this.preferred.heightToMax(value));
return new Constraints(this.minimum.heightToMax(value.minimum), this.preferred.heightToMax(value.preferred));
}
/**
* @param {!Constraints|number} value
* @return {!Constraints}
*/
Constraints.prototype.addHeight = function(value)
{
if (typeof value === "number")
return new Constraints(this.minimum.addHeight(value), this.preferred.addHeight(value));
return new Constraints(this.minimum.addHeight(value.minimum), this.preferred.addHeight(value.preferred));
}