--- /dev/null
+/**
+* This script refer to:
+* Title: Signature Pad
+* Author: szimek
+* Availability: https://github.com/szimek/signature_pad
+**/
+
+/**
+ * @class Roo.bootstrap.BezierSignature
+ * @extends Roo.bootstrap.Component
+ * Bootstrap BezierSignature class
+ *
+ * @constructor
+ * Create a new BezierSignature
+ * @param {Object} config The config object
+ */
+
+Roo.bootstrap.BezierSignature = function(config){
+ Roo.bootstrap.BezierSignature.superclass.constructor.call(this, config);
+};
+
+Roo.extend(Roo.bootstrap.BezierSignature, Roo.bootstrap.Component, {
+
+ _data: [],
+
+ _isEmpty: true,
+
+ _mouseButtonDown: true,
+
+ /**
+ * @cfg(float or function) Radius of a single dot.
+ */
+ dotSize: false,
+
+ /**
+ * @cfg(float) Minimum width of a line. Defaults to 0.5.
+ */
+ minWidth: 0.5,
+
+ /**
+ * @cfg(float) Maximum width of a line. Defaults to 2.5.
+ */
+ maxWidth: 2.5,
+
+ /**
+ * @cfg(integer) Draw the next point at most once per every x milliseconds. Set it to 0 to turn off throttling. Defaults to 16.
+ */
+ throttle: 16,
+
+ /**
+ * @cfg(integer) Add the next point only if the previous one is farther than x pixels. Defaults to 5.
+ */
+ minDistance: 5,
+
+ /**
+ * @cfg(string) Color used to clear the background. Can be any color format accepted by context.fillStyle. Defaults to "rgba(0,0,0,0)" (transparent black). Use a non-transparent color e.g. "rgb(255,255,255)" (opaque white) if you'd like to save signatures as JPEG images.
+ */
+ backgroundColor: 'rgba(0, 0, 0, 0)',
+
+ /**
+ * @cfg(string) Color used to draw the lines. Can be any color format accepted by context.fillStyle. Defaults to "black".
+ */
+ penColor: 'black',
+
+ /**
+ * @cfg(float) Weight used to modify new velocity based on the previous velocity. Defaults to 0.7.
+ */
+ velocityFilterWeight: 0.7,
+
+ /**
+ * @cfg(function) Callback when stroke begin.
+ */
+ onBegin: false,
+
+ /**
+ * @cfg(function) Callback when stroke end.
+ */
+ onEnd: false,
+
+ getAutoCreate : function()
+ {
+ var cls = 'roo-signature';
+
+ if(this.cls){
+ cls += ' ' + this.cls;
+ }
+
+ var cfg = {
+ tag: 'div',
+ cls: cls,
+ cn: [
+ {
+ tag: 'div',
+ cls: 'roo-signature-body',
+ cn: [
+ {
+ tag: 'canvas',
+ cls: 'roo-signature-body-canvas'
+ }
+ ]
+ }
+ ]
+ };
+
+ return cfg;
+ },
+
+ initEvents: function()
+ {
+ Roo.bootstrap.BezierSignature.superclass.initEvents.call(this);
+
+ var canvas = this.canvasEl();
+
+ // mouse && touch event swapping...
+ canvas.dom.style.touchAction = 'none';
+ canvas.dom.style.msTouchAction = 'none';
+
+ this._mouseButtonDown = false;
+ canvas.on('mousedown', this._handleMouseDown, this);
+ canvas.on('mousemove', this._handleMouseMove, this);
+ Roo.select('html').first().on('mouseup', this._handleMouseUp, this);
+
+ if (window.ontouchstart) {
+ canvas.on('touchstart', this._handleTouchStart, this);
+ canvas.on('touchmove', this._handleTouchMove, this);
+ canvas.on('touchend', this._handleTouchEnd, this);
+ }
+
+ this.clear();
+ },
+
+ _handleMouseDown: function(e)
+ {
+ if (e.browserEvent.which === 1) {
+ this._mouseButtonDown = true;
+ this.strokeBegin(e);
+ }
+ },
+
+ _handleMouseMove: function (e)
+ {
+ if (this._mouseButtonDown) {
+ this.strokeMoveUpdate(e);
+ }
+ },
+
+ _handleMouseUp: function (e)
+ {
+ if (e.browserEvent.which === 1 && this._mouseButtonDown) {
+ this._mouseButtonDown = false;
+ this.strokeEnd(e);
+ }
+ },
+
+ _handleTouchStart: function (e) {
+ e.preventDefault();
+ if (e.browserEvent.targetTouches.length === 1) {
+ // var touch = e.browserEvent.changedTouches[0];
+ // this.strokeBegin(touch);
+
+ this.strokeBegin(e); // assume e catching the correct xy...
+ }
+ },
+
+ _handleTouchMove: function (e) {
+ e.preventDefault();
+ // var touch = event.targetTouches[0];
+ // _this._strokeMoveUpdate(touch);
+ this._strokeMoveUpdate(e);
+ },
+
+ _handleTouchEnd: function (e) {
+ var wasCanvasTouched = e.target === this.canvasEl().dom;
+ if (wasCanvasTouched) {
+ e.preventDefault();
+ // var touch = event.changedTouches[0];
+ // _this._strokeEnd(touch);
+ this.strokeEnd(e);
+ }
+ },
+
+ reset: function () {
+ this._lastPoints = [];
+ this._lastVelocity = 0;
+ this._lastWidth = (this.minWidth + this.maxWidth) / 2;
+ this.canvasElCtx().fillStyle = this.penColor;
+ },
+
+ strokeMoveUpdate: function(e)
+ {
+ this.strokeUpdate(e);
+
+ if (this.throttle) {
+ this.throttle(this.strokeUpdate, this.throttle);
+ }
+ else {
+ this.strokeUpdate(e);
+ }
+ },
+
+ strokeBegin: function(e)
+ {
+ var newPointGroup = {
+ color: this.penColor,
+ points: []
+ };
+
+ if (typeof this.onBegin === 'function') {
+ this.onBegin(e);
+ }
+
+ this._data.push(newPointGroup);
+ this.reset();
+ this.strokeUpdate(e);
+ },
+
+ strokeUpdate: function(e)
+ {
+ var rect = this.canvasEl().dom.getBoundingClientRect();
+ var point = new this.Point(e.xy[0] - rect.left, e.xy[1] - rect.top, new Date().getTime());
+ var lastPointGroup = this._data[this._data.length - 1];
+ var lastPoints = lastPointGroup.points;
+ var lastPoint = lastPoints.length > 0 && lastPoints[lastPoints.length - 1];
+ var isLastPointTooClose = lastPoint
+ ? point.distanceTo(lastPoint) <= this.minDistance
+ : false;
+ var color = lastPointGroup.color;
+ if (!lastPoint || !(lastPoint && isLastPointTooClose)) {
+ var curve = this.addPoint(point);
+ if (!lastPoint) {
+ this.drawDot({color: color, point: point});
+ }
+ else if (curve) {
+ this.drawCurve({color: color, curve: curve});
+ }
+ lastPoints.push({
+ time: point.time,
+ x: point.x,
+ y: point.y
+ });
+ }
+ },
+
+ strokeEnd: function(e)
+ {
+ this.strokeUpdate(e);
+ if (typeof this.onEnd === 'function') {
+ this.onEnd(e);
+ }
+ },
+
+ addPoint: function (point) {
+ var _lastPoints = this._lastPoints;
+ _lastPoints.push(point);
+ if (_lastPoints.length > 2) {
+ if (_lastPoints.length === 3) {
+ _lastPoints.unshift(_lastPoints[0]);
+ }
+ var widths = this.calculateCurveWidths(_lastPoints[1], _lastPoints[2]);
+ var curve = this.Bezier.fromPoints(_lastPoints, widths, this);
+ _lastPoints.shift();
+ return curve;
+ }
+ return null;
+ },
+
+ calculateCurveWidths: function (startPoint, endPoint) {
+ var velocity = this.velocityFilterWeight * endPoint.velocityFrom(startPoint) +
+ (1 - this.velocityFilterWeight) * this._lastVelocity;
+
+ var newWidth = Math.max(this.maxWidth / (velocity + 1), this.minWidth);
+ var widths = {
+ end: newWidth,
+ start: this._lastWidth
+ };
+
+ this._lastVelocity = velocity;
+ this._lastWidth = newWidth;
+ return widths;
+ },
+
+ drawDot: function (_a) {
+ var color = _a.color, point = _a.point;
+ var ctx = this.canvasElCtx();
+ var width = typeof this.dotSize === 'function' ? this.dotSize() : this.dotSize;
+ ctx.beginPath();
+ this.drawCurveSegment(point.x, point.y, width);
+ ctx.closePath();
+ ctx.fillStyle = color;
+ ctx.fill();
+ },
+
+ drawCurve: function (_a) {
+ var color = _a.color, curve = _a.curve;
+ var ctx = this.canvasElCtx();
+ var widthDelta = curve.endWidth - curve.startWidth;
+ var drawSteps = Math.floor(curve.length()) * 2;
+ ctx.beginPath();
+ ctx.fillStyle = color;
+ for (var i = 0; i < drawSteps; i += 1) {
+ var t = i / drawSteps;
+ var tt = t * t;
+ var ttt = tt * t;
+ var u = 1 - t;
+ var uu = u * u;
+ var uuu = uu * u;
+ var x = uuu * curve.startPoint.x;
+ x += 3 * uu * t * curve.control1.x;
+ x += 3 * u * tt * curve.control2.x;
+ x += ttt * curve.endPoint.x;
+ var y = uuu * curve.startPoint.y;
+ y += 3 * uu * t * curve.control1.y;
+ y += 3 * u * tt * curve.control2.y;
+ y += ttt * curve.endPoint.y;
+ var width = curve.startWidth + ttt * widthDelta;
+ this.drawCurveSegment(x, y, width);
+ }
+ ctx.closePath();
+ ctx.fill();
+ },
+
+ drawCurveSegment: function (x, y, width) {
+ var ctx = this.canvasElCtx();
+ ctx.moveTo(x, y);
+ ctx.arc(x, y, width, 0, 2 * Math.PI, false);
+ this._isEmpty = false;
+ },
+
+ clear: function()
+ {
+ var ctx = this.canvasElCtx();
+ var canvas = this.canvasEl().dom;
+ ctx.fillStyle = this.backgroundColor;
+ ctx.clearRect(0, 0, canvas.width, canvas.height);
+ ctx.fillRect(0, 0, canvas.width, canvas.height);
+ this._data = [];
+ this.reset();
+ this._isEmpty = true;
+ },
+
+ canvasEl: function()
+ {
+ return this.el.select('canvas',true).first();
+ },
+
+ canvasElCtx: function()
+ {
+ return this.el.select('canvas',true).first().dom.getContext('2d');
+ },
+
+ getImage: function(type)
+ {
+ if(this._isEmpty) {
+ return false;
+ }
+
+ // encryption ?
+ return this.canvasEl().dom.toDataURL('image/'+type, false);
+ },
+
+ drawFromImage: function(img_src)
+ {
+ var img = new Image();
+
+ img.src = img_src;
+
+ this.canvasElCtx().drawImage(img, 0, 0);
+ },
+
+ // Bezier Point Constructor
+ Point: (function () {
+ function Point(x, y, time) {
+ this.x = x;
+ this.y = y;
+ this.time = time || Date.now();
+ }
+ Point.prototype.distanceTo = function (start) {
+ return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
+ };
+ Point.prototype.equals = function (other) {
+ return this.x === other.x && this.y === other.y && this.time === other.time;
+ };
+ Point.prototype.velocityFrom = function (start) {
+ return this.time !== start.time
+ ? this.distanceTo(start) / (this.time - start.time)
+ : 0;
+ };
+ return Point;
+ }()),
+
+
+ // Bezier Constructor
+ Bezier: (function () {
+ function Bezier(startPoint, control2, control1, endPoint, startWidth, endWidth) {
+ this.startPoint = startPoint;
+ this.control2 = control2;
+ this.control1 = control1;
+ this.endPoint = endPoint;
+ this.startWidth = startWidth;
+ this.endWidth = endWidth;
+ }
+ Bezier.fromPoints = function (points, widths, scope) {
+ var c2 = this.calculateControlPoints(points[0], points[1], points[2], scope).c2;
+ var c3 = this.calculateControlPoints(points[1], points[2], points[3], scope).c1;
+ return new Bezier(points[1], c2, c3, points[2], widths.start, widths.end);
+ };
+ Bezier.calculateControlPoints = function (s1, s2, s3, scope) {
+ var dx1 = s1.x - s2.x;
+ var dy1 = s1.y - s2.y;
+ var dx2 = s2.x - s3.x;
+ var dy2 = s2.y - s3.y;
+ var m1 = { x: (s1.x + s2.x) / 2.0, y: (s1.y + s2.y) / 2.0 };
+ var m2 = { x: (s2.x + s3.x) / 2.0, y: (s2.y + s3.y) / 2.0 };
+ var l1 = Math.sqrt(dx1 * dx1 + dy1 * dy1);
+ var l2 = Math.sqrt(dx2 * dx2 + dy2 * dy2);
+ var dxm = m1.x - m2.x;
+ var dym = m1.y - m2.y;
+ var k = l2 / (l1 + l2);
+ var cm = { x: m2.x + dxm * k, y: m2.y + dym * k };
+ var tx = s2.x - cm.x;
+ var ty = s2.y - cm.y;
+ return {
+ c1: new scope.Point(m1.x + tx, m1.y + ty),
+ c2: new scope.Point(m2.x + tx, m2.y + ty)
+ };
+ };
+ Bezier.prototype.length = function () {
+ var steps = 10;
+ var length = 0;
+ var px;
+ var py;
+ for (var i = 0; i <= steps; i += 1) {
+ var t = i / steps;
+ var cx = this.point(t, this.startPoint.x, this.control1.x, this.control2.x, this.endPoint.x);
+ var cy = this.point(t, this.startPoint.y, this.control1.y, this.control2.y, this.endPoint.y);
+ if (i > 0) {
+ var xdiff = cx - px;
+ var ydiff = cy - py;
+ length += Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+ }
+ px = cx;
+ py = cy;
+ }
+ return length;
+ };
+ Bezier.prototype.point = function (t, start, c1, c2, end) {
+ return (start * (1.0 - t) * (1.0 - t) * (1.0 - t))
+ + (3.0 * c1 * (1.0 - t) * (1.0 - t) * t)
+ + (3.0 * c2 * (1.0 - t) * t * t)
+ + (end * t * t * t);
+ };
+ return Bezier;
+ }()),
+
+ throttle: function(fn, wait) {
+ if (wait === void 0) { wait = 250; }
+ var previous = 0;
+ var timeout = null;
+ var result;
+ var storedContext;
+ var storedArgs;
+ var later = function () {
+ previous = Date.now();
+ timeout = null;
+ result = fn.apply(storedContext, storedArgs);
+ if (!timeout) {
+ storedContext = null;
+ storedArgs = [];
+ }
+ };
+ return function wrapper() {
+ var args = [];
+ for (var _i = 0; _i < arguments.length; _i++) {
+ args[_i] = arguments[_i];
+ }
+ var now = Date.now();
+ var remaining = wait - (now - previous);
+ storedContext = this;
+ storedArgs = args;
+ if (remaining <= 0 || remaining > wait) {
+ if (timeout) {
+ clearTimeout(timeout);
+ timeout = null;
+ }
+ previous = now;
+ result = fn.apply(storedContext, storedArgs);
+ if (!timeout) {
+ storedContext = null;
+ storedArgs = [];
+ }
+ }
+ else if (!timeout) {
+ timeout = window.setTimeout(later, remaining);
+ }
+ return result;
+ };
+ }
+
+});
+
+
+
+
\ No newline at end of file
Roo.bootstrap.PhoneInputData
Roo.bootstrap.PhoneInput
-Roo.bootstrap.MoneyField
\ No newline at end of file
+Roo.bootstrap.MoneyField
+
+Roo.bootstrap.BezierSignature
\ No newline at end of file
--- /dev/null
+{
+ "name" : "BezierSignature",
+ "parent" : "",
+ "title" : "BezierSignature",
+ "path" : "/home/veridate/gitlive/roojs1/examples/bootstrap/BezierSignature.bjs",
+ "permname" : "",
+ "modOrder" : "001",
+ "items" : [
+ {
+ "xtype" : "Body",
+ "$ xns" : "Roo.bootstrap",
+ "items" : [
+ {
+ "listeners" : {
+ "render" : "function (_self)\n{\n _this.ctn = this;\n}"
+ },
+ "xtype" : "Container",
+ "$ xns" : "Roo.bootstrap",
+ "items" : [
+ {
+ "listeners" : {
+ "render" : "function (_self)\n{\n _this.sign = this;\n}"
+ },
+ "xtype" : "BezierSignature",
+ "$ xns" : "Roo.bootstrap"
+ }
+ ]
+ }
+ ]
+ }
+ ]
+}
\ No newline at end of file
--- /dev/null
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>Bootstrap Bezier Signature</title>
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+ <!-- Bootstrap -->
+ <link rel="stylesheet" href="../../css-bootstrap/bootstrap.min.css">
+ <link rel="stylesheet" href="../../css-bootstrap/roojs-bootstrap-debug.css">
+
+ <script type="text/javascript" src="../../roojs-core-debug.js"></script>
+ <script type="text/javascript" src="../../roojs-bootstrap-debug.js"></script>
+
+ <!-- test code -->
+ <script type="text/javascript" src="BezierSignature.js"></script>
+ </head>
+
+ <body id="body">
+ <script type="text/javascript">
+
+ Roo.onReady(function() {
+ Roo.XComponent.build();
+ });
+
+ </script>
+ </body>
+</html>
\ No newline at end of file
--- /dev/null
+//<script type="text/javascript">
+
+// Auto generated file - created by app.Builder.js- do not edit directly (at present!)
+
+BezierSignature = new Roo.XComponent({
+
+
+
+ part : ["bootstrap", "BezierSignature" ],
+ order : '001-BezierSignature',
+ region : 'center',
+ parent : false,
+ name : "BezierSignature",
+ disabled : false,
+ permname : '',
+ _tree : function(_data)
+ {
+ var _this = this;
+ var MODULE = this;
+ return {
+ xtype : 'Body',
+ xns : Roo.bootstrap,
+ '|xns' : 'Roo.bootstrap',
+ items : [
+ {
+ xtype : 'Container',
+ listeners : {
+ render : function (_self)
+ {
+ _this.ctn = this;
+ }
+ },
+ xns : Roo.bootstrap,
+ '|xns' : 'Roo.bootstrap',
+ items : [
+ {
+ xtype : 'BezierSignature',
+ listeners : {
+ render : function (_self)
+ {
+ _this.sign = this;
+ }
+ },
+ xns : Roo.bootstrap,
+ '|xns' : 'Roo.bootstrap'
+ }
+ ]
+ }
+ ]
+ }; }
+});
return this.el.select('input.hidden-number-input',true).first();
}
-});
\ No newline at end of file
+});/**
+* This script refer to:
+* Title: Signature Pad
+* Author: szimek
+* Availability: https://github.com/szimek/signature_pad
+**/
+
+/**
+ * @class Roo.bootstrap.BezierSignature
+ * @extends Roo.bootstrap.Component
+ * Bootstrap BezierSignature class
+ *
+ * @constructor
+ * Create a new BezierSignature
+ * @param {Object} config The config object
+ */
+
+Roo.bootstrap.BezierSignature = function(config){
+ Roo.bootstrap.BezierSignature.superclass.constructor.call(this, config);
+};
+
+Roo.extend(Roo.bootstrap.BezierSignature, Roo.bootstrap.Component, {
+
+ _data: [],
+
+ _isEmpty: true,
+
+ _mouseButtonDown: true,
+
+ /**
+ * @cfg(float or function) Radius of a single dot.
+ */
+ dotSize: false,
+
+ /**
+ * @cfg(float) Minimum width of a line. Defaults to 0.5.
+ */
+ minWidth: 0.5,
+
+ /**
+ * @cfg(float) Maximum width of a line. Defaults to 2.5.
+ */
+ maxWidth: 2.5,
+
+ /**
+ * @cfg(integer) Draw the next point at most once per every x milliseconds. Set it to 0 to turn off throttling. Defaults to 16.
+ */
+ throttle: 16,
+
+ /**
+ * @cfg(integer) Add the next point only if the previous one is farther than x pixels. Defaults to 5.
+ */
+ minDistance: 5,
+
+ /**
+ * @cfg(string) Color used to clear the background. Can be any color format accepted by context.fillStyle. Defaults to "rgba(0,0,0,0)" (transparent black). Use a non-transparent color e.g. "rgb(255,255,255)" (opaque white) if you'd like to save signatures as JPEG images.
+ */
+ backgroundColor: 'rgba(0, 0, 0, 0)',
+
+ /**
+ * @cfg(string) Color used to draw the lines. Can be any color format accepted by context.fillStyle. Defaults to "black".
+ */
+ penColor: 'black',
+
+ /**
+ * @cfg(float) Weight used to modify new velocity based on the previous velocity. Defaults to 0.7.
+ */
+ velocityFilterWeight: 0.7,
+
+ /**
+ * @cfg(function) Callback when stroke begin.
+ */
+ onBegin: false,
+
+ /**
+ * @cfg(function) Callback when stroke end.
+ */
+ onEnd: false,
+
+ getAutoCreate : function()
+ {
+ var cls = 'roo-signature';
+
+ if(this.cls){
+ cls += ' ' + this.cls;
+ }
+
+ var cfg = {
+ tag: 'div',
+ cls: cls,
+ cn: [
+ {
+ tag: 'div',
+ cls: 'roo-signature-body',
+ cn: [
+ {
+ tag: 'canvas',
+ cls: 'roo-signature-body-canvas'
+ }
+ ]
+ }
+ ]
+ };
+
+ return cfg;
+ },
+
+ initEvents: function()
+ {
+ Roo.bootstrap.BezierSignature.superclass.initEvents.call(this);
+
+ var canvas = this.canvasEl();
+
+ // mouse && touch event swapping...
+ canvas.dom.style.touchAction = 'none';
+ canvas.dom.style.msTouchAction = 'none';
+
+ this._mouseButtonDown = false;
+ canvas.on('mousedown', this._handleMouseDown, this);
+ canvas.on('mousemove', this._handleMouseMove, this);
+ Roo.select('html').first().on('mouseup', this._handleMouseUp, this);
+
+ if (window.ontouchstart) {
+ canvas.on('touchstart', this._handleTouchStart, this);
+ canvas.on('touchmove', this._handleTouchMove, this);
+ canvas.on('touchend', this._handleTouchEnd, this);
+ }
+
+ this.clear();
+ },
+
+ _handleMouseDown: function(e)
+ {
+ if (e.browserEvent.which === 1) {
+ this._mouseButtonDown = true;
+ this.strokeBegin(e);
+ }
+ },
+
+ _handleMouseMove: function (e)
+ {
+ if (this._mouseButtonDown) {
+ this.strokeMoveUpdate(e);
+ }
+ },
+
+ _handleMouseUp: function (e)
+ {
+ if (e.browserEvent.which === 1 && this._mouseButtonDown) {
+ this._mouseButtonDown = false;
+ this.strokeEnd(e);
+ }
+ },
+
+ _handleTouchStart: function (e) {
+ e.preventDefault();
+ if (e.browserEvent.targetTouches.length === 1) {
+ // var touch = e.browserEvent.changedTouches[0];
+ // this.strokeBegin(touch);
+
+ this.strokeBegin(e); // assume e catching the correct xy...
+ }
+ },
+
+ _handleTouchMove: function (e) {
+ e.preventDefault();
+ // var touch = event.targetTouches[0];
+ // _this._strokeMoveUpdate(touch);
+ this._strokeMoveUpdate(e);
+ },
+
+ _handleTouchEnd: function (e) {
+ var wasCanvasTouched = e.target === this.canvasEl().dom;
+ if (wasCanvasTouched) {
+ e.preventDefault();
+ // var touch = event.changedTouches[0];
+ // _this._strokeEnd(touch);
+ this.strokeEnd(e);
+ }
+ },
+
+ reset: function () {
+ this._lastPoints = [];
+ this._lastVelocity = 0;
+ this._lastWidth = (this.minWidth + this.maxWidth) / 2;
+ this.canvasElCtx().fillStyle = this.penColor;
+ },
+
+ strokeMoveUpdate: function(e)
+ {
+ this.strokeUpdate(e);
+
+ if (this.throttle) {
+ this.throttle(this.strokeUpdate, this.throttle);
+ }
+ else {
+ this.strokeUpdate(e);
+ }
+ },
+
+ strokeBegin: function(e)
+ {
+ var newPointGroup = {
+ color: this.penColor,
+ points: []
+ };
+
+ if (typeof this.onBegin === 'function') {
+ this.onBegin(e);
+ }
+
+ this._data.push(newPointGroup);
+ this.reset();
+ this.strokeUpdate(e);
+ },
+
+ strokeUpdate: function(e)
+ {
+ var rect = this.canvasEl().dom.getBoundingClientRect();
+ var point = new this.Point(e.xy[0] - rect.left, e.xy[1] - rect.top, new Date().getTime());
+ var lastPointGroup = this._data[this._data.length - 1];
+ var lastPoints = lastPointGroup.points;
+ var lastPoint = lastPoints.length > 0 && lastPoints[lastPoints.length - 1];
+ var isLastPointTooClose = lastPoint
+ ? point.distanceTo(lastPoint) <= this.minDistance
+ : false;
+ var color = lastPointGroup.color;
+ if (!lastPoint || !(lastPoint && isLastPointTooClose)) {
+ var curve = this.addPoint(point);
+ if (!lastPoint) {
+ this.drawDot({color: color, point: point});
+ }
+ else if (curve) {
+ this.drawCurve({color: color, curve: curve});
+ }
+ lastPoints.push({
+ time: point.time,
+ x: point.x,
+ y: point.y
+ });
+ }
+ },
+
+ strokeEnd: function(e)
+ {
+ this.strokeUpdate(e);
+ if (typeof this.onEnd === 'function') {
+ this.onEnd(e);
+ }
+ },
+
+ addPoint: function (point) {
+ var _lastPoints = this._lastPoints;
+ _lastPoints.push(point);
+ if (_lastPoints.length > 2) {
+ if (_lastPoints.length === 3) {
+ _lastPoints.unshift(_lastPoints[0]);
+ }
+ var widths = this.calculateCurveWidths(_lastPoints[1], _lastPoints[2]);
+ var curve = this.Bezier.fromPoints(_lastPoints, widths, this);
+ _lastPoints.shift();
+ return curve;
+ }
+ return null;
+ },
+
+ calculateCurveWidths: function (startPoint, endPoint) {
+ var velocity = this.velocityFilterWeight * endPoint.velocityFrom(startPoint) +
+ (1 - this.velocityFilterWeight) * this._lastVelocity;
+
+ var newWidth = Math.max(this.maxWidth / (velocity + 1), this.minWidth);
+ var widths = {
+ end: newWidth,
+ start: this._lastWidth
+ };
+
+ this._lastVelocity = velocity;
+ this._lastWidth = newWidth;
+ return widths;
+ },
+
+ drawDot: function (_a) {
+ var color = _a.color, point = _a.point;
+ var ctx = this.canvasElCtx();
+ var width = typeof this.dotSize === 'function' ? this.dotSize() : this.dotSize;
+ ctx.beginPath();
+ this.drawCurveSegment(point.x, point.y, width);
+ ctx.closePath();
+ ctx.fillStyle = color;
+ ctx.fill();
+ },
+
+ drawCurve: function (_a) {
+ var color = _a.color, curve = _a.curve;
+ var ctx = this.canvasElCtx();
+ var widthDelta = curve.endWidth - curve.startWidth;
+ var drawSteps = Math.floor(curve.length()) * 2;
+ ctx.beginPath();
+ ctx.fillStyle = color;
+ for (var i = 0; i < drawSteps; i += 1) {
+ var t = i / drawSteps;
+ var tt = t * t;
+ var ttt = tt * t;
+ var u = 1 - t;
+ var uu = u * u;
+ var uuu = uu * u;
+ var x = uuu * curve.startPoint.x;
+ x += 3 * uu * t * curve.control1.x;
+ x += 3 * u * tt * curve.control2.x;
+ x += ttt * curve.endPoint.x;
+ var y = uuu * curve.startPoint.y;
+ y += 3 * uu * t * curve.control1.y;
+ y += 3 * u * tt * curve.control2.y;
+ y += ttt * curve.endPoint.y;
+ var width = curve.startWidth + ttt * widthDelta;
+ this.drawCurveSegment(x, y, width);
+ }
+ ctx.closePath();
+ ctx.fill();
+ },
+
+ drawCurveSegment: function (x, y, width) {
+ var ctx = this.canvasElCtx();
+ ctx.moveTo(x, y);
+ ctx.arc(x, y, width, 0, 2 * Math.PI, false);
+ this._isEmpty = false;
+ },
+
+ clear: function()
+ {
+ var ctx = this.canvasElCtx();
+ var canvas = this.canvasEl().dom;
+ ctx.fillStyle = this.backgroundColor;
+ ctx.clearRect(0, 0, canvas.width, canvas.height);
+ ctx.fillRect(0, 0, canvas.width, canvas.height);
+ this._data = [];
+ this.reset();
+ this._isEmpty = true;
+ },
+
+ canvasEl: function()
+ {
+ return this.el.select('canvas',true).first();
+ },
+
+ canvasElCtx: function()
+ {
+ return this.el.select('canvas',true).first().dom.getContext('2d');
+ },
+
+ getImage: function(type)
+ {
+ if(this._isEmpty) {
+ return false;
+ }
+
+ // encryption ?
+ return this.canvasEl().dom.toDataURL('image/'+type, false);
+ },
+
+ drawFromImage: function(img_src)
+ {
+ var img = new Image();
+
+ img.src = img_src;
+
+ this.canvasElCtx().drawImage(img, 0, 0);
+ },
+
+ // Bezier Point Constructor
+ Point: (function () {
+ function Point(x, y, time) {
+ this.x = x;
+ this.y = y;
+ this.time = time || Date.now();
+ }
+ Point.prototype.distanceTo = function (start) {
+ return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y - start.y, 2));
+ };
+ Point.prototype.equals = function (other) {
+ return this.x === other.x && this.y === other.y && this.time === other.time;
+ };
+ Point.prototype.velocityFrom = function (start) {
+ return this.time !== start.time
+ ? this.distanceTo(start) / (this.time - start.time)
+ : 0;
+ };
+ return Point;
+ }()),
+
+
+ // Bezier Constructor
+ Bezier: (function () {
+ function Bezier(startPoint, control2, control1, endPoint, startWidth, endWidth) {
+ this.startPoint = startPoint;
+ this.control2 = control2;
+ this.control1 = control1;
+ this.endPoint = endPoint;
+ this.startWidth = startWidth;
+ this.endWidth = endWidth;
+ }
+ Bezier.fromPoints = function (points, widths, scope) {
+ var c2 = this.calculateControlPoints(points[0], points[1], points[2], scope).c2;
+ var c3 = this.calculateControlPoints(points[1], points[2], points[3], scope).c1;
+ return new Bezier(points[1], c2, c3, points[2], widths.start, widths.end);
+ };
+ Bezier.calculateControlPoints = function (s1, s2, s3, scope) {
+ var dx1 = s1.x - s2.x;
+ var dy1 = s1.y - s2.y;
+ var dx2 = s2.x - s3.x;
+ var dy2 = s2.y - s3.y;
+ var m1 = { x: (s1.x + s2.x) / 2.0, y: (s1.y + s2.y) / 2.0 };
+ var m2 = { x: (s2.x + s3.x) / 2.0, y: (s2.y + s3.y) / 2.0 };
+ var l1 = Math.sqrt(dx1 * dx1 + dy1 * dy1);
+ var l2 = Math.sqrt(dx2 * dx2 + dy2 * dy2);
+ var dxm = m1.x - m2.x;
+ var dym = m1.y - m2.y;
+ var k = l2 / (l1 + l2);
+ var cm = { x: m2.x + dxm * k, y: m2.y + dym * k };
+ var tx = s2.x - cm.x;
+ var ty = s2.y - cm.y;
+ return {
+ c1: new scope.Point(m1.x + tx, m1.y + ty),
+ c2: new scope.Point(m2.x + tx, m2.y + ty)
+ };
+ };
+ Bezier.prototype.length = function () {
+ var steps = 10;
+ var length = 0;
+ var px;
+ var py;
+ for (var i = 0; i <= steps; i += 1) {
+ var t = i / steps;
+ var cx = this.point(t, this.startPoint.x, this.control1.x, this.control2.x, this.endPoint.x);
+ var cy = this.point(t, this.startPoint.y, this.control1.y, this.control2.y, this.endPoint.y);
+ if (i > 0) {
+ var xdiff = cx - px;
+ var ydiff = cy - py;
+ length += Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+ }
+ px = cx;
+ py = cy;
+ }
+ return length;
+ };
+ Bezier.prototype.point = function (t, start, c1, c2, end) {
+ return (start * (1.0 - t) * (1.0 - t) * (1.0 - t))
+ + (3.0 * c1 * (1.0 - t) * (1.0 - t) * t)
+ + (3.0 * c2 * (1.0 - t) * t * t)
+ + (end * t * t * t);
+ };
+ return Bezier;
+ }()),
+
+ throttle: function(fn, wait) {
+ if (wait === void 0) { wait = 250; }
+ var previous = 0;
+ var timeout = null;
+ var result;
+ var storedContext;
+ var storedArgs;
+ var later = function () {
+ previous = Date.now();
+ timeout = null;
+ result = fn.apply(storedContext, storedArgs);
+ if (!timeout) {
+ storedContext = null;
+ storedArgs = [];
+ }
+ };
+ return function wrapper() {
+ var args = [];
+ for (var _i = 0; _i < arguments.length; _i++) {
+ args[_i] = arguments[_i];
+ }
+ var now = Date.now();
+ var remaining = wait - (now - previous);
+ storedContext = this;
+ storedArgs = args;
+ if (remaining <= 0 || remaining > wait) {
+ if (timeout) {
+ clearTimeout(timeout);
+ timeout = null;
+ }
+ previous = now;
+ result = fn.apply(storedContext, storedArgs);
+ if (!timeout) {
+ storedContext = null;
+ storedArgs = [];
+ }
+ }
+ else if (!timeout) {
+ timeout = window.setTimeout(later, remaining);
+ }
+ return result;
+ };
+ }
+
+});
+
+
+
+
\ No newline at end of file
},beforeBlur:function(){if(!this.castInt){return;}var v=this.parseValue(this.getRawValue());if(v||v==0){this.setValue(v);}},onBlur:function(){this.beforeBlur();if(!Roo.isOpera&&this.focusClass){}this.hasFocus=false;if(this.validationEvent!==false&&this.validateOnBlur&&this.validationEvent!="blur"){this.validate();
}var v=this.getValue();if(String(v)!==String(this.startValue)){this.fireEvent('change',this,v,this.startValue);}this.fireEvent("blur",this);},inputEl:function(){return this.el.select('.roo-money-amount-input',true).first();},currencyEl:function(){return this.el.select('.roo-money-currency-input',true).first();
},hiddenEl:function(){return this.el.select('input.hidden-number-input',true).first();}});
+// Roo/bootstrap/BezierSignature.js
+Roo.bootstrap.BezierSignature=function(A){Roo.bootstrap.BezierSignature.superclass.constructor.call(this,A);};Roo.extend(Roo.bootstrap.BezierSignature,Roo.bootstrap.Component,{_data:[],_isEmpty:true,_mouseButtonDown:true,dotSize:false,minWidth:0.5,maxWidth:2.5,throttle:16,minDistance:5,backgroundColor:'rgba(0, 0, 0, 0)',penColor:'black',velocityFilterWeight:0.7,onBegin:false,onEnd:false,getAutoCreate:function(){var A='roo-signature';
+if(this.cls){A+=' '+this.cls;}var B={tag:'div',cls:A,cn:[{tag:'div',cls:'roo-signature-body',cn:[{tag:'canvas',cls:'roo-signature-body-canvas'}]}]};return B;},initEvents:function(){Roo.bootstrap.BezierSignature.superclass.initEvents.call(this);var A=this.canvasEl();
+A.dom.style.touchAction='none';A.dom.style.msTouchAction='none';this._mouseButtonDown=false;A.on('mousedown',this._handleMouseDown,this);A.on('mousemove',this._handleMouseMove,this);Roo.select('html').first().on('mouseup',this._handleMouseUp,this);if(window.ontouchstart){A.on('touchstart',this._handleTouchStart,this);
+A.on('touchmove',this._handleTouchMove,this);A.on('touchend',this._handleTouchEnd,this);}this.clear();},_handleMouseDown:function(e){if(e.browserEvent.which===1){this._mouseButtonDown=true;this.strokeBegin(e);}},_handleMouseMove:function(e){if(this._mouseButtonDown){this.strokeMoveUpdate(e);
+}},_handleMouseUp:function(e){if(e.browserEvent.which===1&&this._mouseButtonDown){this._mouseButtonDown=false;this.strokeEnd(e);}},_handleTouchStart:function(e){e.preventDefault();if(e.browserEvent.targetTouches.length===1){this.strokeBegin(e);}},_handleTouchMove:function(e){e.preventDefault();
+this._strokeMoveUpdate(e);},_handleTouchEnd:function(e){var A=e.target===this.canvasEl().dom;if(A){e.preventDefault();this.strokeEnd(e);}},reset:function(){this._lastPoints=[];this._lastVelocity=0;this._lastWidth=(this.minWidth+this.maxWidth)/2;this.canvasElCtx().fillStyle=this.penColor;
+},strokeMoveUpdate:function(e){this.strokeUpdate(e);if(this.throttle){this.throttle(this.strokeUpdate,this.throttle);}else{this.strokeUpdate(e);}},strokeBegin:function(e){var A={color:this.penColor,points:[]};if(typeof this.onBegin==='function'){this.onBegin(e);
+}this._data.push(A);this.reset();this.strokeUpdate(e);},strokeUpdate:function(e){var A=this.canvasEl().dom.getBoundingClientRect();var B=new this.Point(e.xy[0]-A.left,e.xy[1]-A.top,new Date().getTime());var C=this._data[this._data.length-1];var D=C.points;
+var E=D.length>0&&D[D.length-1];var F=E?B.distanceTo(E)<=this.minDistance:false;var G=C.color;if(!E||!(E&&F)){var H=this.addPoint(B);if(!E){this.drawDot({color:G,point:B});}else if(H){this.drawCurve({color:G,curve:H});}D.push({time:B.time,x:B.x,y:B.y});}}
+,strokeEnd:function(e){this.strokeUpdate(e);if(typeof this.onEnd==='function'){this.onEnd(e);}},addPoint:function(A){var B=this._lastPoints;B.push(A);if(B.length>2){if(B.length===3){B.unshift(B[0]);}var C=this.calculateCurveWidths(B[1],B[2]);var D=this.Bezier.fromPoints(B,C,this);
+B.shift();return D;}return null;},calculateCurveWidths:function(A,B){var C=this.velocityFilterWeight*B.velocityFrom(A)+(1-this.velocityFilterWeight)*this._lastVelocity;var D=Math.max(this.maxWidth/(C+1),this.minWidth);var E={end:D,start:this._lastWidth};this._lastVelocity=C;
+this._lastWidth=D;return E;},drawDot:function(_a){var A=_a.color,B=_a.point;var C=this.canvasElCtx();var D=typeof this.dotSize==='function'?this.dotSize():this.dotSize;C.beginPath();this.drawCurveSegment(B.x,B.y,D);C.closePath();C.fillStyle=A;C.fill();},drawCurve:function(_a){var A=_a.color,B=_a.curve;
+var C=this.canvasElCtx();var D=B.endWidth-B.startWidth;var E=Math.floor(B.length())*2;C.beginPath();C.fillStyle=A;for(var i=0;i<E;i+=1){var t=i/E;var tt=t*t;var F=tt*t;var u=1-t;var uu=u*u;var G=uu*u;var x=G*B.startPoint.x;x+=3*uu*t*B.control1.x;x+=3*u*tt*B.control2.x;
+x+=F*B.endPoint.x;var y=G*B.startPoint.y;y+=3*uu*t*B.control1.y;y+=3*u*tt*B.control2.y;y+=F*B.endPoint.y;var H=B.startWidth+F*D;this.drawCurveSegment(x,y,H);}C.closePath();C.fill();},drawCurveSegment:function(x,y,A){var B=this.canvasElCtx();B.moveTo(x,y);
+B.arc(x,y,A,0,2*Math.PI,false);this._isEmpty=false;},clear:function(){var A=this.canvasElCtx();var B=this.canvasEl().dom;A.fillStyle=this.backgroundColor;A.clearRect(0,0,B.width,B.height);A.fillRect(0,0,B.width,B.height);this._data=[];this.reset();this._isEmpty=true;
+},canvasEl:function(){return this.el.select('canvas',true).first();},canvasElCtx:function(){return this.el.select('canvas',true).first().dom.getContext('2d');},getImage:function(A){if(this._isEmpty){return false;}return this.canvasEl().dom.toDataURL('image/'+A,false);
+},drawFromImage:function(A){var B=new Image();B.src=A;this.canvasElCtx().drawImage(B,0,0);},Point:(function(){function Point(x,y,A){this.x=x;this.y=y;this.time=A||Date.now();}Point.prototype.distanceTo=function(A){return Math.sqrt(Math.pow(this.x-A.x,2)+Math.pow(this.y-A.y,2));
+};Point.prototype.equals=function(A){return this.x===A.x&&this.y===A.y&&this.time===A.time;};Point.prototype.velocityFrom=function(A){return this.time!==A.time?this.distanceTo(A)/(this.time-A.time):0;};return Point;}()),Bezier:(function(){function Bezier(A,B,C,D,E,F){this.startPoint=A;
+this.control2=B;this.control1=C;this.endPoint=D;this.startWidth=E;this.endWidth=F;}Bezier.fromPoints=function(A,B,C){var c2=this.calculateControlPoints(A[0],A[1],A[2],C).c2;var c3=this.calculateControlPoints(A[1],A[2],A[3],C).c1;return new Bezier(A[1],c2,c3,A[2],B.start,B.end);
+};Bezier.calculateControlPoints=function(s1,s2,s3,A){var B=s1.x-s2.x;var C=s1.y-s2.y;var D=s2.x-s3.x;var E=s2.y-s3.y;var m1={x:(s1.x+s2.x)/2.0,y:(s1.y+s2.y)/2.0};var m2={x:(s2.x+s3.x)/2.0,y:(s2.y+s3.y)/2.0};var l1=Math.sqrt(B*B+C*C);var l2=Math.sqrt(D*D+E*E);
+var F=m1.x-m2.x;var G=m1.y-m2.y;var k=l2/(l1+l2);var cm={x:m2.x+F*k,y:m2.y+G*k};var tx=s2.x-cm.x;var ty=s2.y-cm.y;return {c1:new A.Point(m1.x+tx,m1.y+ty),c2:new A.Point(m2.x+tx,m2.y+ty)};};Bezier.prototype.length=function(){var A=10;var B=0;var px;var py;
+for(var i=0;i<=A;i+=1){var t=i/A;var cx=this.point(t,this.startPoint.x,this.control1.x,this.control2.x,this.endPoint.x);var cy=this.point(t,this.startPoint.y,this.control1.y,this.control2.y,this.endPoint.y);if(i>0){var C=cx-px;var D=cy-py;B+=Math.sqrt(C*C+D*D);
+}px=cx;py=cy;}return B;};Bezier.prototype.point=function(t,A,c1,c2,B){return (A*(1.0-t)*(1.0-t)*(1.0-t))+(3.0*c1*(1.0-t)*(1.0-t)*t)+(3.0*c2*(1.0-t)*t*t)+(B*t*t*t);};return Bezier;}()),throttle:function(fn,A){if(A===void 0){A=250;}var B=0;var C=null;var D;
+var E;var F;var G=function(){B=Date.now();C=null;D=fn.apply(E,F);if(!C){E=null;F=[];}};return function H(){var I=[];for(var _i=0;_i<arguments.length;_i++){I[_i]=arguments[_i];}var J=Date.now();var K=A-(J-B);E=this;F=I;if(K<=0||K>A){if(C){clearTimeout(C);C=null;
+}B=J;D=fn.apply(E,F);if(!C){E=null;F=[];}}else if(!C){C=window.setTimeout(G,K);}return D;};}});