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processing_141_procoding.js
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executable file
·20439 lines (18829 loc) · 747 KB
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/***
processing 1.4.1. REVISION 01
modified version for Procoding
based on:
P R O C E S S I N G . J S - 1.4.1
a port of the Processing visualization language
Processing.js is licensed under the MIT License, see LICENSE.
For a list of copyright holders, please refer to AUTHORS.
http://processingjs.org
***/
(function(window, document, Math, undef) {
// Procoding Fix:
// throwing strings is generally a bad idead, usually instances of Error() are expected
// the best solution would be a special ProcessingError(), but at least we can intercept
// the errors here and then trow:
var throwError = function(msg) {
// log to tinylog
Processing.logger.log(msg);
// and throw
if(typeof msg === "string") {
throw new Error(msg);
} else {
throw msg;
}
}
var nop = function(){};
var debug = (function() {
if ("console" in window) {
return function(msg) {
window.console.log('Processing.js: ' + msg);
};
}
return nop;
}());
var ajax = function(url) {
var xhr = new XMLHttpRequest();
xhr.open("GET", url, false);
if (xhr.overrideMimeType) {
xhr.overrideMimeType("text/plain");
}
xhr.setRequestHeader("If-Modified-Since", "Fri, 01 Jan 1960 00:00:00 GMT");
xhr.send(null);
// failed request?
if (xhr.status !== 200 && xhr.status !== 0) { throwError ("XMLHttpRequest failed, status code " + xhr.status); }
return xhr.responseText;
};
var isDOMPresent = ("document" in this) && !("fake" in this.document);
// document.head polyfill for the benefit of Firefox 3.6
if (!document.head) {
document.head = document.getElementsByTagName('head')[0];
}
// Typed Arrays: fallback to WebGL arrays or Native JS arrays if unavailable
function setupTypedArray(name, fallback) {
// Check if TypedArray exists, and use if so.
if (name in window) {
return window[name];
}
// Check if WebGLArray exists
if (typeof window[fallback] === "function") {
return window[fallback];
}
// Use Native JS array
return function(obj) {
if (obj instanceof Array) {
return obj;
}
if (typeof obj === "number") {
var arr = [];
arr.length = obj;
return arr;
}
};
}
/* IE9+ quirks mode check - ticket #1606 */
if (document.documentMode >= 9 && !document.doctype) {
throwError("The doctype directive is missing. The recommended doctype in Internet Explorer is the HTML5 doctype: <!DOCTYPE html>");
}
var Float32Array = setupTypedArray("Float32Array", "WebGLFloatArray"),
Int32Array = setupTypedArray("Int32Array", "WebGLIntArray"),
Uint16Array = setupTypedArray("Uint16Array", "WebGLUnsignedShortArray"),
Uint8Array = setupTypedArray("Uint8Array", "WebGLUnsignedByteArray");
/* Browsers fixes end */
/**
* NOTE: in releases we replace symbolic PConstants.* names with their values.
* Using PConstants.* in code below is fine. See tools/rewrite-pconstants.js.
*/
var PConstants = {
X: 0,
Y: 1,
Z: 2,
R: 3,
G: 4,
B: 5,
A: 6,
U: 7,
V: 8,
NX: 9,
NY: 10,
NZ: 11,
EDGE: 12,
// Stroke
SR: 13,
SG: 14,
SB: 15,
SA: 16,
SW: 17,
// Transformations (2D and 3D)
TX: 18,
TY: 19,
TZ: 20,
VX: 21,
VY: 22,
VZ: 23,
VW: 24,
// Material properties
AR: 25,
AG: 26,
AB: 27,
DR: 3,
DG: 4,
DB: 5,
DA: 6,
SPR: 28,
SPG: 29,
SPB: 30,
SHINE: 31,
ER: 32,
EG: 33,
EB: 34,
BEEN_LIT: 35,
VERTEX_FIELD_COUNT: 36,
// Renderers
P2D: 1,
JAVA2D: 1,
WEBGL: 2,
P3D: 2,
OPENGL: 2,
PDF: 0,
DXF: 0,
// Platform IDs
OTHER: 0,
WINDOWS: 1,
MAXOSX: 2,
LINUX: 3,
EPSILON: 0.0001,
MAX_FLOAT: 3.4028235e+38,
MIN_FLOAT: -3.4028235e+38,
MAX_INT: 2147483647,
MIN_INT: -2147483648,
PI: Math.PI,
TWO_PI: 2 * Math.PI,
HALF_PI: Math.PI / 2,
THIRD_PI: Math.PI / 3,
QUARTER_PI: Math.PI / 4,
DEG_TO_RAD: Math.PI / 180,
RAD_TO_DEG: 180 / Math.PI,
WHITESPACE: " \t\n\r\f\u00A0",
// Color modes
RGB: 1,
ARGB: 2,
HSB: 3,
ALPHA: 4,
CMYK: 5,
// Image file types
TIFF: 0,
TARGA: 1,
JPEG: 2,
GIF: 3,
// Filter/convert types
BLUR: 11,
GRAY: 12,
INVERT: 13,
OPAQUE: 14,
POSTERIZE: 15,
THRESHOLD: 16,
ERODE: 17,
DILATE: 18,
// Blend modes
REPLACE: 0,
BLEND: 1 << 0,
ADD: 1 << 1,
SUBTRACT: 1 << 2,
LIGHTEST: 1 << 3,
DARKEST: 1 << 4,
DIFFERENCE: 1 << 5,
EXCLUSION: 1 << 6,
MULTIPLY: 1 << 7,
SCREEN: 1 << 8,
OVERLAY: 1 << 9,
HARD_LIGHT: 1 << 10,
SOFT_LIGHT: 1 << 11,
DODGE: 1 << 12,
BURN: 1 << 13,
// Color component bit masks
ALPHA_MASK: 0xff000000,
RED_MASK: 0x00ff0000,
GREEN_MASK: 0x0000ff00,
BLUE_MASK: 0x000000ff,
// Projection matrices
CUSTOM: 0,
ORTHOGRAPHIC: 2,
PERSPECTIVE: 3,
// Shapes
POINT: 2,
POINTS: 2,
LINE: 4,
LINES: 4,
TRIANGLE: 8,
TRIANGLES: 9,
TRIANGLE_STRIP: 10,
TRIANGLE_FAN: 11,
QUAD: 16,
QUADS: 16,
QUAD_STRIP: 17,
POLYGON: 20,
PATH: 21,
RECT: 30,
ELLIPSE: 31,
ARC: 32,
SPHERE: 40,
BOX: 41,
GROUP: 0,
PRIMITIVE: 1,
//PATH: 21, // shared with Shape PATH
GEOMETRY: 3,
// Shape Vertex
VERTEX: 0,
BEZIER_VERTEX: 1,
CURVE_VERTEX: 2,
BREAK: 3,
CLOSESHAPE: 4,
// Shape closing modes
OPEN: 1,
CLOSE: 2,
// Shape drawing modes
CORNER: 0, // Draw mode convention to use (x, y) to (width, height)
CORNERS: 1, // Draw mode convention to use (x1, y1) to (x2, y2) coordinates
RADIUS: 2, // Draw mode from the center, and using the radius
CENTER_RADIUS: 2, // Deprecated! Use RADIUS instead
CENTER: 3, // Draw from the center, using second pair of values as the diameter
DIAMETER: 3, // Synonym for the CENTER constant. Draw from the center
CENTER_DIAMETER: 3, // Deprecated! Use DIAMETER instead
// Text vertical alignment modes
BASELINE: 0, // Default vertical alignment for text placement
TOP: 101, // Align text to the top
BOTTOM: 102, // Align text from the bottom, using the baseline
// UV Texture coordinate modes
NORMAL: 1,
NORMALIZED: 1,
IMAGE: 2,
// Text placement modes
MODEL: 4,
SHAPE: 5,
// Stroke modes
SQUARE: 'butt',
ROUND: 'round',
PROJECT: 'square',
MITER: 'miter',
BEVEL: 'bevel',
// Lighting modes
AMBIENT: 0,
DIRECTIONAL: 1,
//POINT: 2, Shared with Shape constant
SPOT: 3,
// Key constants
// Both key and keyCode will be equal to these values
BACKSPACE: 8,
TAB: 9,
ENTER: 10,
RETURN: 13,
ESC: 27,
DELETE: 127,
CODED: 0xffff,
// p.key will be CODED and p.keyCode will be this value
SHIFT: 16,
CONTROL: 17,
ALT: 18,
CAPSLK: 20,
PGUP: 33,
PGDN: 34,
END: 35,
HOME: 36,
LEFT: 37,
UP: 38,
RIGHT: 39,
DOWN: 40,
F1: 112,
F2: 113,
F3: 114,
F4: 115,
F5: 116,
F6: 117,
F7: 118,
F8: 119,
F9: 120,
F10: 121,
F11: 122,
F12: 123,
NUMLK: 144,
META: 157,
INSERT: 155,
// Cursor types
ARROW: 'default',
CROSS: 'crosshair',
HAND: 'pointer',
MOVE: 'move',
TEXT: 'text',
WAIT: 'wait',
NOCURSOR: "url('data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=='), auto",
// Hints
DISABLE_OPENGL_2X_SMOOTH: 1,
ENABLE_OPENGL_2X_SMOOTH: -1,
ENABLE_OPENGL_4X_SMOOTH: 2,
ENABLE_NATIVE_FONTS: 3,
DISABLE_DEPTH_TEST: 4,
ENABLE_DEPTH_TEST: -4,
ENABLE_DEPTH_SORT: 5,
DISABLE_DEPTH_SORT: -5,
DISABLE_OPENGL_ERROR_REPORT: 6,
ENABLE_OPENGL_ERROR_REPORT: -6,
ENABLE_ACCURATE_TEXTURES: 7,
DISABLE_ACCURATE_TEXTURES: -7,
HINT_COUNT: 10,
// PJS defined constants
SINCOS_LENGTH: 720, // every half degree
PRECISIONB: 15, // fixed point precision is limited to 15 bits!!
PRECISIONF: 1 << 15,
PREC_MAXVAL: (1 << 15) - 1,
PREC_ALPHA_SHIFT: 24 - 15,
PREC_RED_SHIFT: 16 - 15,
NORMAL_MODE_AUTO: 0,
NORMAL_MODE_SHAPE: 1,
NORMAL_MODE_VERTEX: 2,
MAX_LIGHTS: 8
};
/**
* Returns Java hashCode() result for the object. If the object has the "hashCode" function,
* it preforms the call of this function. Otherwise it uses/creates the "$id" property,
* which is used as the hashCode.
*
* @param {Object} obj The object.
* @returns {int} The object's hash code.
*/
function virtHashCode(obj) {
if (typeof(obj) === "string") {
var hash = 0;
for (var i = 0; i < obj.length; ++i) {
hash = (hash * 31 + obj.charCodeAt(i)) & 0xFFFFFFFF;
}
return hash;
}
if (typeof(obj) !== "object") {
return obj & 0xFFFFFFFF;
}
if (obj.hashCode instanceof Function) {
return obj.hashCode();
}
if (obj.$id === undef) {
obj.$id = ((Math.floor(Math.random() * 0x10000) - 0x8000) << 16) | Math.floor(Math.random() * 0x10000);
}
return obj.$id;
}
/**
* Returns Java equals() result for two objects. If the first object
* has the "equals" function, it preforms the call of this function.
* Otherwise the method uses the JavaScript === operator.
*
* @param {Object} obj The first object.
* @param {Object} other The second object.
*
* @returns {boolean} true if the objects are equal.
*/
function virtEquals(obj, other) {
if (obj === null || other === null) {
return (obj === null) && (other === null);
}
if (typeof (obj) === "string") {
return obj === other;
}
if (typeof(obj) !== "object") {
return obj === other;
}
if (obj.equals instanceof Function) {
return obj.equals(other);
}
return obj === other;
}
/**
* A ObjectIterator is an iterator wrapper for objects. If passed object contains
* the iterator method, the object instance will be replaced by the result returned by
* this method call. If passed object is an array, the ObjectIterator instance iterates
* through its items.
*
* @param {Object} obj The object to be iterated.
*/
var ObjectIterator = function(obj) {
if (obj instanceof Array) {
// iterate through array items
var index = -1;
this.hasNext = function() {
return ++index < obj.length;
};
this.next = function() {
return obj[index];
};
} else if (obj.iterator instanceof Function) {
return obj.iterator();
} else {
throwError("Unable to iterate: " + obj);
}
};
/**
* An ArrayList stores a variable number of objects.
*
* @param {int} initialCapacity optional defines the initial capacity of the list, it's empty by default
*
* @returns {ArrayList} new ArrayList object
*/
var ArrayList = (function() {
function Iterator(array) {
var index = -1;
this.hasNext = function() {
return (index + 1) < array.length;
};
this.next = function() {
return array[++index];
};
this.remove = function() {
array.splice(index--, 1);
};
}
function ArrayList(a) {
var array = [];
if (a && a.toArray) {
array = a.toArray();
}
/**
* @member ArrayList
* ArrayList.get() Returns the element at the specified position in this list.
*
* @param {int} i index of element to return
*
* @returns {Object} the element at the specified position in this list.
*/
this.get = function(i) {
return array[i];
};
/**
* @member ArrayList
* ArrayList.contains() Returns true if this list contains the specified element.
*
* @param {Object} item element whose presence in this List is to be tested.
*
* @returns {boolean} true if the specified element is present; false otherwise.
*/
this.contains = function(item) {
return this.indexOf(item)>-1;
};
/**
* @member ArrayList
* ArrayList.indexOf() Returns the position this element takes in the list, or -1 if the element is not found.
*
* @param {Object} item element whose position in this List is to be tested.
*
* @returns {int} the list position that the first match for this element holds in the list, or -1 if it is not in the list.
*/
this.indexOf = function(item) {
for (var i = 0, len = array.length; i < len; ++i) {
if (virtEquals(item, array[i])) {
return i;
}
}
return -1;
};
/**
* @member ArrayList
* ArrayList.lastIndexOf() Returns the index of the last occurrence of the specified element in this list,
* or -1 if this list does not contain the element. More formally, returns the highest index i such that
* (o==null ? get(i)==null : o.equals(get(i))), or -1 if there is no such index.
*
* @param {Object} item element to search for.
*
* @returns {int} the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
*/
this.lastIndexOf = function(item) {
for (var i = array.length-1; i >= 0; --i) {
if (virtEquals(item, array[i])) {
return i;
}
}
return -1;
};
/**
* @member ArrayList
* ArrayList.add() Adds the specified element to this list.
*
* @param {int} index optional index at which the specified element is to be inserted
* @param {Object} object element to be added to the list
*/
this.add = function() {
if (arguments.length === 1) {
array.push(arguments[0]); // for add(Object)
} else if (arguments.length === 2) {
var arg0 = arguments[0];
if (typeof arg0 === 'number') {
if (arg0 >= 0 && arg0 <= array.length) {
array.splice(arg0, 0, arguments[1]); // for add(i, Object)
} else {
throwError(arg0 + " is not a valid index");
}
} else {
throwError(typeof arg0 + " is not a number");
}
} else {
throwError("Please use the proper number of parameters.");
}
};
/**
* @member ArrayList
* ArrayList.addAll(collection) appends all of the elements in the specified
* Collection to the end of this list, in the order that they are returned by
* the specified Collection's Iterator.
*
* When called as addAll(index, collection) the elements are inserted into
* this list at the position indicated by index.
*
* @param {index} Optional; specifies the position the colletion should be inserted at
* @param {collection} Any iterable object (ArrayList, HashMap.keySet(), etc.)
* @throws out of bounds error for negative index, or index greater than list size.
*/
this.addAll = function(arg1, arg2) {
// addAll(int, Collection)
var it;
if (typeof arg1 === "number") {
if (arg1 < 0 || arg1 > array.length) {
throwError("Index out of bounds for addAll: " + arg1 + " greater or equal than " + array.length);
}
it = new ObjectIterator(arg2);
while (it.hasNext()) {
array.splice(arg1++, 0, it.next());
}
}
// addAll(Collection)
else {
it = new ObjectIterator(arg1);
while (it.hasNext()) {
array.push(it.next());
}
}
};
/**
* @member ArrayList
* ArrayList.set() Replaces the element at the specified position in this list with the specified element.
*
* @param {int} index index of element to replace
* @param {Object} object element to be stored at the specified position
*/
this.set = function() {
if (arguments.length === 2) {
var arg0 = arguments[0];
if (typeof arg0 === 'number') {
if (arg0 >= 0 && arg0 < array.length) {
array.splice(arg0, 1, arguments[1]);
} else {
throwError(arg0 + " is not a valid index.");
}
} else {
throwError(typeof arg0 + " is not a number");
}
} else {
throwError("Please use the proper number of parameters.");
}
};
/**
* @member ArrayList
* ArrayList.size() Returns the number of elements in this list.
*
* @returns {int} the number of elements in this list
*/
this.size = function() {
return array.length;
};
/**
* @member ArrayList
* ArrayList.clear() Removes all of the elements from this list. The list will be empty after this call returns.
*/
this.clear = function() {
array.length = 0;
};
/**
* @member ArrayList
* ArrayList.remove() Removes an element either based on index, if the argument is a number, or
* by equality check, if the argument is an object.
*
* @param {int|Object} item either the index of the element to be removed, or the element itself.
*
* @returns {Object|boolean} If removal is by index, the element that was removed, or null if nothing was removed. If removal is by object, true if removal occurred, otherwise false.
*/
this.remove = function(item) {
if (typeof item === 'number') {
return array.splice(item, 1)[0];
}
item = this.indexOf(item);
if (item > -1) {
array.splice(item, 1);
return true;
}
return false;
};
/**
* @member ArrayList
* ArrayList.removeAll Removes from this List all of the elements from
* the current ArrayList which are present in the passed in paramater ArrayList 'c'.
* Shifts any succeeding elements to the left (reduces their index).
*
* @param {ArrayList} the ArrayList to compare to the current ArrayList
*
* @returns {boolean} true if the ArrayList had an element removed; false otherwise
*/
this.removeAll = function(c) {
var i, x, item,
newList = new ArrayList();
newList.addAll(this);
this.clear();
// For every item that exists in the original ArrayList and not in the c ArrayList
// copy it into the empty 'this' ArrayList to create the new 'this' Array.
for (i = 0, x = 0; i < newList.size(); i++) {
item = newList.get(i);
if (!c.contains(item)) {
this.add(x++, item);
}
}
if (this.size() < newList.size()) {
return true;
}
return false;
};
/**
* @member ArrayList
* ArrayList.isEmpty() Tests if this list has no elements.
*
* @returns {boolean} true if this list has no elements; false otherwise
*/
this.isEmpty = function() {
return !array.length;
};
/**
* @member ArrayList
* ArrayList.clone() Returns a shallow copy of this ArrayList instance. (The elements themselves are not copied.)
*
* @returns {ArrayList} a clone of this ArrayList instance
*/
this.clone = function() {
return new ArrayList(this);
};
/**
* @member ArrayList
* ArrayList.toArray() Returns an array containing all of the elements in this list in the correct order.
*
* @returns {Object[]} Returns an array containing all of the elements in this list in the correct order
*/
this.toArray = function() {
return array.slice(0);
};
this.iterator = function() {
return new Iterator(array);
};
}
return ArrayList;
}());
/**
* A HashMap stores a collection of objects, each referenced by a key. This is similar to an Array, only
* instead of accessing elements with a numeric index, a String is used. (If you are familiar with
* associative arrays from other languages, this is the same idea.)
*
* @param {int} initialCapacity defines the initial capacity of the map, it's 16 by default
* @param {float} loadFactor the load factor for the map, the default is 0.75
* @param {Map} m gives the new HashMap the same mappings as this Map
*/
var HashMap = (function() {
/**
* @member HashMap
* A HashMap stores a collection of objects, each referenced by a key. This is similar to an Array, only
* instead of accessing elements with a numeric index, a String is used. (If you are familiar with
* associative arrays from other languages, this is the same idea.)
*
* @param {int} initialCapacity defines the initial capacity of the map, it's 16 by default
* @param {float} loadFactor the load factor for the map, the default is 0.75
* @param {Map} m gives the new HashMap the same mappings as this Map
*/
function HashMap() {
if (arguments.length === 1 && arguments[0] instanceof HashMap) {
return arguments[0].clone();
}
var initialCapacity = arguments.length > 0 ? arguments[0] : 16;
var loadFactor = arguments.length > 1 ? arguments[1] : 0.75;
var buckets = [];
buckets.length = initialCapacity;
var count = 0;
var hashMap = this;
function getBucketIndex(key) {
var index = virtHashCode(key) % buckets.length;
return index < 0 ? buckets.length + index : index;
}
function ensureLoad() {
if (count <= loadFactor * buckets.length) {
return;
}
var allEntries = [];
for (var i = 0; i < buckets.length; ++i) {
if (buckets[i] !== undef) {
allEntries = allEntries.concat(buckets[i]);
}
}
var newBucketsLength = buckets.length * 2;
buckets = [];
buckets.length = newBucketsLength;
for (var j = 0; j < allEntries.length; ++j) {
var index = getBucketIndex(allEntries[j].key);
var bucket = buckets[index];
if (bucket === undef) {
buckets[index] = bucket = [];
}
bucket.push(allEntries[j]);
}
}
function Iterator(conversion, removeItem) {
var bucketIndex = 0;
var itemIndex = -1;
var endOfBuckets = false;
var currentItem;
function findNext() {
while (!endOfBuckets) {
++itemIndex;
if (bucketIndex >= buckets.length) {
endOfBuckets = true;
} else if (buckets[bucketIndex] === undef || itemIndex >= buckets[bucketIndex].length) {
itemIndex = -1;
++bucketIndex;
} else {
return;
}
}
}
/*
* @member Iterator
* Checks if the Iterator has more items
*/
this.hasNext = function() {
return !endOfBuckets;
};
/*
* @member Iterator
* Return the next Item
*/
this.next = function() {
currentItem = conversion(buckets[bucketIndex][itemIndex]);
findNext();
return currentItem;
};
/*
* @member Iterator
* Remove the current item
*/
this.remove = function() {
if (currentItem !== undef) {
removeItem(currentItem);
--itemIndex;
findNext();
}
};
findNext();
}
function Set(conversion, isIn, removeItem) {
this.clear = function() {
hashMap.clear();
};
this.contains = function(o) {
return isIn(o);
};
this.containsAll = function(o) {
var it = o.iterator();
while (it.hasNext()) {
if (!this.contains(it.next())) {
return false;
}
}
return true;
};
this.isEmpty = function() {
return hashMap.isEmpty();
};
this.iterator = function() {
return new Iterator(conversion, removeItem);
};
this.remove = function(o) {
if (this.contains(o)) {
removeItem(o);
return true;
}
return false;
};
this.removeAll = function(c) {
var it = c.iterator();
var changed = false;
while (it.hasNext()) {
var item = it.next();
if (this.contains(item)) {
removeItem(item);
changed = true;
}
}
return true;
};
this.retainAll = function(c) {
var it = this.iterator();
var toRemove = [];
while (it.hasNext()) {
var entry = it.next();
if (!c.contains(entry)) {
toRemove.push(entry);
}
}
for (var i = 0; i < toRemove.length; ++i) {
removeItem(toRemove[i]);
}
return toRemove.length > 0;
};
this.size = function() {
return hashMap.size();
};
this.toArray = function() {
var result = [];
var it = this.iterator();
while (it.hasNext()) {
result.push(it.next());
}
return result;
};
}
function Entry(pair) {
this._isIn = function(map) {
return map === hashMap && (pair.removed === undef);
};
this.equals = function(o) {
return virtEquals(pair.key, o.getKey());
};
this.getKey = function() {
return pair.key;
};
this.getValue = function() {
return pair.value;
};
this.hashCode = function(o) {
return virtHashCode(pair.key);
};
this.setValue = function(value) {
var old = pair.value;
pair.value = value;
return old;
};
}
this.clear = function() {
count = 0;
buckets = [];
buckets.length = initialCapacity;
};
this.clone = function() {
var map = new HashMap();
map.putAll(this);
return map;
};
this.containsKey = function(key) {
var index = getBucketIndex(key);
var bucket = buckets[index];
if (bucket === undef) {
return false;
}
for (var i = 0; i < bucket.length; ++i) {
if (virtEquals(bucket[i].key, key)) {
return true;
}
}
return false;
};
this.containsValue = function(value) {
for (var i = 0; i < buckets.length; ++i) {
var bucket = buckets[i];
if (bucket === undef) {