[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Fmsystem-commits] [16109] signature
|
From: |
sigurdne |
|
Subject: |
[Fmsystem-commits] [16109] signature |
|
Date: |
Wed, 21 Dec 2016 20:03:02 +0000 (UTC) |
Revision: 16109
http://svn.sv.gnu.org/viewvc/?view=rev&root=fmsystem&revision=16109
Author: sigurdne
Date: 2016-12-21 20:03:02 +0000 (Wed, 21 Dec 2016)
Log Message:
-----------
signature
Added Paths:
-----------
trunk/phpgwapi/js/signature_pad/
trunk/phpgwapi/js/signature_pad/signature-pad.css
trunk/phpgwapi/js/signature_pad/signature_pad.js
trunk/phpgwapi/js/signature_pad/signature_pad.min.js
Added: trunk/phpgwapi/js/signature_pad/signature-pad.css
===================================================================
--- trunk/phpgwapi/js/signature_pad/signature-pad.css
(rev 0)
+++ trunk/phpgwapi/js/signature_pad/signature-pad.css 2016-12-21 20:03:02 UTC
(rev 16109)
@@ -0,0 +1,137 @@
+
+.m-signature-pad {
+ position: absolute;
+ font-size: 10px;
+ width: 700px;
+ height: 400px;
+ /* top: 50%;
+ left: 50%;*/
+/* margin-left: -350px;
+ margin-top: -200px;*/
+ border: 1px solid #e8e8e8;
+ background-color: #fff;
+ box-shadow: 0 1px 4px rgba(0, 0, 0, 0.27), 0 0 40px rgba(0, 0, 0, 0.08)
inset;
+ border-radius: 4px;
+}
+
+.m-signature-pad:before, .m-signature-pad:after {
+ position: absolute;
+ z-index: -1;
+ content: "";
+ width: 40%;
+ height: 10px;
+ left: 20px;
+ bottom: 10px;
+ background: transparent;
+ -webkit-transform: skew(-3deg) rotate(-3deg);
+ -moz-transform: skew(-3deg) rotate(-3deg);
+ -ms-transform: skew(-3deg) rotate(-3deg);
+ -o-transform: skew(-3deg) rotate(-3deg);
+ transform: skew(-3deg) rotate(-3deg);
+ box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
+}
+
+.m-signature-pad:after {
+ left: auto;
+ right: 20px;
+ -webkit-transform: skew(3deg) rotate(3deg);
+ -moz-transform: skew(3deg) rotate(3deg);
+ -ms-transform: skew(3deg) rotate(3deg);
+ -o-transform: skew(3deg) rotate(3deg);
+ transform: skew(3deg) rotate(3deg);
+}
+
+.m-signature-pad--body {
+ position: absolute;
+ left: 20px;
+ right: 20px;
+ top: 20px;
+ bottom: 60px;
+ border: 1px solid #f4f4f4;
+}
+
+.m-signature-pad--body
+ canvas {
+ position: absolute;
+ left: 0;
+ top: 0;
+ width: 100%;
+ height: 100%;
+ border-radius: 4px;
+ box-shadow: 0 0 5px rgba(0, 0, 0, 0.02) inset;
+ }
+
+.m-signature-pad--footer {
+ position: absolute;
+ left: 20px;
+ right: 20px;
+ bottom: 20px;
+ height: 40px;
+}
+
+.m-signature-pad--footer
+ .description {
+ color: #C3C3C3;
+ text-align: center;
+ font-size: 1.2em;
+ margin-top: 1.8em;
+ }
+
+.m-signature-pad--footer
+ .button {
+ position: absolute;
+ bottom: 0;
+ }
+
+.m-signature-pad--footer
+ .button.clear {
+ left: 0;
+ }
+
+.m-signature-pad--footer
+ .button.save {
+ right: 0;
+ }
+
address@hidden screen and (max-width: 1024px) {
+ .m-signature-pad {
+ top: 0;
+ left: 0;
+ right: 0;
+ bottom: 0;
+ width: auto;
+ height: auto;
+ min-width: 250px;
+ min-height: 140px;
+ margin: 5%;
+ }
+ #github {
+ display: none;
+ }
+}
+
address@hidden screen and (min-device-width: 768px) and (max-device-width:
1024px) {
+ .m-signature-pad {
+ margin: 10%;
+ }
+}
+
address@hidden screen and (max-height: 320px) {
+ .m-signature-pad--body {
+ left: 0;
+ right: 0;
+ top: 0;
+ bottom: 32px;
+ }
+ .m-signature-pad--footer {
+ left: 20px;
+ right: 20px;
+ bottom: 4px;
+ height: 28px;
+ }
+ .m-signature-pad--footer
+ .description {
+ font-size: 1em;
+ margin-top: 1em;
+ }
+}
Added: trunk/phpgwapi/js/signature_pad/signature_pad.js
===================================================================
--- trunk/phpgwapi/js/signature_pad/signature_pad.js
(rev 0)
+++ trunk/phpgwapi/js/signature_pad/signature_pad.js 2016-12-21 20:03:02 UTC
(rev 16109)
@@ -0,0 +1,389 @@
+(function (root, factory) {
+ if (typeof define === 'function' && define.amd) {
+ // AMD. Register as an anonymous module unless amdModuleId is set
+ define([], function () {
+ return (root['SignaturePad'] = factory());
+ });
+ } else if (typeof exports === 'object') {
+ // Node. Does not work with strict CommonJS, but
+ // only CommonJS-like environments that support module.exports,
+ // like Node.
+ module.exports = factory();
+ } else {
+ root['SignaturePad'] = factory();
+ }
+}(this, function () {
+
+/*!
+ * Signature Pad v1.5.3
+ * https://github.com/szimek/signature_pad
+ *
+ * Copyright 2016 Szymon Nowak
+ * Released under the MIT license
+ *
+ * The main idea and some parts of the code (e.g. drawing variable width
Bézier curve) are taken from:
+ * http://corner.squareup.com/2012/07/smoother-signatures.html
+ *
+ * Implementation of interpolation using cubic Bézier curves is taken from:
+ *
http://benknowscode.wordpress.com/2012/09/14/path-interpolation-using-cubic-bezier-and-control-point-estimation-in-javascript
+ *
+ * Algorithm for approximated length of a Bézier curve is taken from:
+ * http://www.lemoda.net/maths/bezier-length/index.html
+ *
+ */
+var SignaturePad = (function (document) {
+ "use strict";
+
+ var SignaturePad = function (canvas, options) {
+ var self = this,
+ opts = options || {};
+
+ this.velocityFilterWeight = opts.velocityFilterWeight || 0.7;
+ this.minWidth = opts.minWidth || 0.5;
+ this.maxWidth = opts.maxWidth || 2.5;
+ this.dotSize = opts.dotSize || function () {
+ return (this.minWidth + this.maxWidth) / 2;
+ };
+ this.penColor = opts.penColor || "black";
+ this.backgroundColor = opts.backgroundColor || "rgba(0,0,0,0)";
+ this.onEnd = opts.onEnd;
+ this.onBegin = opts.onBegin;
+
+ this._canvas = canvas;
+ this._ctx = canvas.getContext("2d");
+ this.clear();
+
+ // we need add these inline so they are available to unbind while
still having
+ // access to 'self' we could use _.bind but it's not worth adding a
dependency
+ this._handleMouseDown = function (event) {
+ if (event.which === 1) {
+ self._mouseButtonDown = true;
+ self._strokeBegin(event);
+ }
+ };
+
+ this._handleMouseMove = function (event) {
+ if (self._mouseButtonDown) {
+ self._strokeUpdate(event);
+ }
+ };
+
+ this._handleMouseUp = function (event) {
+ if (event.which === 1 && self._mouseButtonDown) {
+ self._mouseButtonDown = false;
+ self._strokeEnd(event);
+ }
+ };
+
+ this._handleTouchStart = function (event) {
+ if (event.targetTouches.length == 1) {
+ var touch = event.changedTouches[0];
+ self._strokeBegin(touch);
+ }
+ };
+
+ this._handleTouchMove = function (event) {
+ // Prevent scrolling.
+ event.preventDefault();
+
+ var touch = event.targetTouches[0];
+ self._strokeUpdate(touch);
+ };
+
+ this._handleTouchEnd = function (event) {
+ var wasCanvasTouched = event.target === self._canvas;
+ if (wasCanvasTouched) {
+ event.preventDefault();
+ self._strokeEnd(event);
+ }
+ };
+
+ this._handleMouseEvents();
+ this._handleTouchEvents();
+ };
+
+ SignaturePad.prototype.clear = function () {
+ var ctx = this._ctx,
+ canvas = this._canvas;
+
+ ctx.fillStyle = this.backgroundColor;
+ ctx.clearRect(0, 0, canvas.width, canvas.height);
+ ctx.fillRect(0, 0, canvas.width, canvas.height);
+ this._reset();
+ };
+
+ SignaturePad.prototype.toDataURL = function (imageType, quality) {
+ var canvas = this._canvas;
+ return canvas.toDataURL.apply(canvas, arguments);
+ };
+
+ SignaturePad.prototype.fromDataURL = function (dataUrl) {
+ var self = this,
+ image = new Image(),
+ ratio = window.devicePixelRatio || 1,
+ width = this._canvas.width / ratio,
+ height = this._canvas.height / ratio;
+
+ this._reset();
+ image.src = dataUrl;
+ image.onload = function () {
+ self._ctx.drawImage(image, 0, 0, width, height);
+ };
+ this._isEmpty = false;
+ };
+
+ SignaturePad.prototype._strokeUpdate = function (event) {
+ var point = this._createPoint(event);
+ this._addPoint(point);
+ };
+
+ SignaturePad.prototype._strokeBegin = function (event) {
+ this._reset();
+ this._strokeUpdate(event);
+ if (typeof this.onBegin === 'function') {
+ this.onBegin(event);
+ }
+ };
+
+ SignaturePad.prototype._strokeDraw = function (point) {
+ var ctx = this._ctx,
+ dotSize = typeof(this.dotSize) === 'function' ? this.dotSize() :
this.dotSize;
+
+ ctx.beginPath();
+ this._drawPoint(point.x, point.y, dotSize);
+ ctx.closePath();
+ ctx.fill();
+ };
+
+ SignaturePad.prototype._strokeEnd = function (event) {
+ var canDrawCurve = this.points.length > 2,
+ point = this.points[0];
+
+ if (!canDrawCurve && point) {
+ this._strokeDraw(point);
+ }
+ if (typeof this.onEnd === 'function') {
+ this.onEnd(event);
+ }
+ };
+
+ SignaturePad.prototype._handleMouseEvents = function () {
+ this._mouseButtonDown = false;
+
+ this._canvas.addEventListener("mousedown", this._handleMouseDown);
+ this._canvas.addEventListener("mousemove", this._handleMouseMove);
+ document.addEventListener("mouseup", this._handleMouseUp);
+ };
+
+ SignaturePad.prototype._handleTouchEvents = function () {
+ // Pass touch events to canvas element on mobile IE11 and Edge.
+ this._canvas.style.msTouchAction = 'none';
+ this._canvas.style.touchAction = 'none';
+
+ this._canvas.addEventListener("touchstart", this._handleTouchStart);
+ this._canvas.addEventListener("touchmove", this._handleTouchMove);
+ this._canvas.addEventListener("touchend", this._handleTouchEnd);
+ };
+
+ SignaturePad.prototype.on = function () {
+ this._handleMouseEvents();
+ this._handleTouchEvents();
+ };
+
+ SignaturePad.prototype.off = function () {
+ this._canvas.removeEventListener("mousedown", this._handleMouseDown);
+ this._canvas.removeEventListener("mousemove", this._handleMouseMove);
+ document.removeEventListener("mouseup", this._handleMouseUp);
+
+ this._canvas.removeEventListener("touchstart", this._handleTouchStart);
+ this._canvas.removeEventListener("touchmove", this._handleTouchMove);
+ this._canvas.removeEventListener("touchend", this._handleTouchEnd);
+ };
+
+ SignaturePad.prototype.isEmpty = function () {
+ return this._isEmpty;
+ };
+
+ SignaturePad.prototype._reset = function () {
+ this.points = [];
+ this._lastVelocity = 0;
+ this._lastWidth = (this.minWidth + this.maxWidth) / 2;
+ this._isEmpty = true;
+ this._ctx.fillStyle = this.penColor;
+ };
+
+ SignaturePad.prototype._createPoint = function (event) {
+ var rect = this._canvas.getBoundingClientRect();
+ return new Point(
+ event.clientX - rect.left,
+ event.clientY - rect.top
+ );
+ };
+
+ SignaturePad.prototype._addPoint = function (point) {
+ var points = this.points,
+ c2, c3,
+ curve, tmp;
+
+ points.push(point);
+
+ if (points.length > 2) {
+ // To reduce the initial lag make it work with 3 points
+ // by copying the first point to the beginning.
+ if (points.length === 3) points.unshift(points[0]);
+
+ tmp = this._calculateCurveControlPoints(points[0], points[1],
points[2]);
+ c2 = tmp.c2;
+ tmp = this._calculateCurveControlPoints(points[1], points[2],
points[3]);
+ c3 = tmp.c1;
+ curve = new Bezier(points[1], c2, c3, points[2]);
+ this._addCurve(curve);
+
+ // Remove the first element from the list,
+ // so that we always have no more than 4 points in points array.
+ points.shift();
+ }
+ };
+
+ SignaturePad.prototype._calculateCurveControlPoints = function (s1, s2,
s3) {
+ var dx1 = s1.x - s2.x, dy1 = s1.y - s2.y,
+ dx2 = s2.x - s3.x, dy2 = s2.y - s3.y,
+
+ m1 = {x: (s1.x + s2.x) / 2.0, y: (s1.y + s2.y) / 2.0},
+ m2 = {x: (s2.x + s3.x) / 2.0, y: (s2.y + s3.y) / 2.0},
+
+ l1 = Math.sqrt(dx1*dx1 + dy1*dy1),
+ l2 = Math.sqrt(dx2*dx2 + dy2*dy2),
+
+ dxm = (m1.x - m2.x),
+ dym = (m1.y - m2.y),
+
+ k = l2 / (l1 + l2),
+ cm = {x: m2.x + dxm*k, y: m2.y + dym*k},
+
+ tx = s2.x - cm.x,
+ ty = s2.y - cm.y;
+
+ return {
+ c1: new Point(m1.x + tx, m1.y + ty),
+ c2: new Point(m2.x + tx, m2.y + ty)
+ };
+ };
+
+ SignaturePad.prototype._addCurve = function (curve) {
+ var startPoint = curve.startPoint,
+ endPoint = curve.endPoint,
+ velocity, newWidth;
+
+ velocity = endPoint.velocityFrom(startPoint);
+ velocity = this.velocityFilterWeight * velocity
+ + (1 - this.velocityFilterWeight) * this._lastVelocity;
+
+ newWidth = this._strokeWidth(velocity);
+ this._drawCurve(curve, this._lastWidth, newWidth);
+
+ this._lastVelocity = velocity;
+ this._lastWidth = newWidth;
+ };
+
+ SignaturePad.prototype._drawPoint = function (x, y, size) {
+ var ctx = this._ctx;
+
+ ctx.moveTo(x, y);
+ ctx.arc(x, y, size, 0, 2 * Math.PI, false);
+ this._isEmpty = false;
+ };
+
+ SignaturePad.prototype._drawCurve = function (curve, startWidth, endWidth)
{
+ var ctx = this._ctx,
+ widthDelta = endWidth - startWidth,
+ drawSteps, width, i, t, tt, ttt, u, uu, uuu, x, y;
+
+ drawSteps = Math.floor(curve.length());
+ ctx.beginPath();
+ for (i = 0; i < drawSteps; i++) {
+ // Calculate the Bezier (x, y) coordinate for this step.
+ t = i / drawSteps;
+ tt = t * t;
+ ttt = tt * t;
+ u = 1 - t;
+ uu = u * u;
+ uuu = uu * u;
+
+ x = uuu * curve.startPoint.x;
+ x += 3 * uu * t * curve.control1.x;
+ x += 3 * u * tt * curve.control2.x;
+ x += ttt * curve.endPoint.x;
+
+ y = uuu * curve.startPoint.y;
+ y += 3 * uu * t * curve.control1.y;
+ y += 3 * u * tt * curve.control2.y;
+ y += ttt * curve.endPoint.y;
+
+ width = startWidth + ttt * widthDelta;
+ this._drawPoint(x, y, width);
+ }
+ ctx.closePath();
+ ctx.fill();
+ };
+
+ SignaturePad.prototype._strokeWidth = function (velocity) {
+ return Math.max(this.maxWidth / (velocity + 1), this.minWidth);
+ };
+
+
+ var Point = function (x, y, time) {
+ this.x = x;
+ this.y = y;
+ this.time = time || new Date().getTime();
+ };
+
+ Point.prototype.velocityFrom = function (start) {
+ return (this.time !== start.time) ? this.distanceTo(start) /
(this.time - start.time) : 1;
+ };
+
+ Point.prototype.distanceTo = function (start) {
+ return Math.sqrt(Math.pow(this.x - start.x, 2) + Math.pow(this.y -
start.y, 2));
+ };
+
+ var Bezier = function (startPoint, control1, control2, endPoint) {
+ this.startPoint = startPoint;
+ this.control1 = control1;
+ this.control2 = control2;
+ this.endPoint = endPoint;
+ };
+
+ // Returns approximated length.
+ Bezier.prototype.length = function () {
+ var steps = 10,
+ length = 0,
+ i, t, cx, cy, px, py, xdiff, ydiff;
+
+ for (i = 0; i <= steps; i++) {
+ t = i / steps;
+ cx = this._point(t, this.startPoint.x, this.control1.x,
this.control2.x, this.endPoint.x);
+ cy = this._point(t, this.startPoint.y, this.control1.y,
this.control2.y, this.endPoint.y);
+ if (i > 0) {
+ xdiff = cx - px;
+ 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 SignaturePad;
+})(document);
+
+return SignaturePad;
+
+}));
Added: trunk/phpgwapi/js/signature_pad/signature_pad.min.js
===================================================================
--- trunk/phpgwapi/js/signature_pad/signature_pad.min.js
(rev 0)
+++ trunk/phpgwapi/js/signature_pad/signature_pad.min.js 2016-12-21
20:03:02 UTC (rev 16109)
@@ -0,0 +1,5 @@
+!function(a,b){"function"==typeof
define&&define.amd?define([],function(){return
a.SignaturePad=b()}):"object"==typeof
exports?module.exports=b():a.SignaturePad=b()}(this,function(){/*!
+ * Signature Pad v1.5.3 | https://github.com/szimek/signature_pad
+ * (c) 2016 Szymon Nowak | Released under the MIT license
+ */
+var a=function(a){"use strict";var b=function(a,b){var
c=this,d=b||{};this.velocityFilterWeight=d.velocityFilterWeight||.7,this.minWidth=d.minWidth||.5,this.maxWidth=d.maxWidth||2.5,this.dotSize=d.dotSize||function(){return(this.minWidth+this.maxWidth)/2},this.penColor=d.penColor||"black",this.backgroundColor=d.backgroundColor||"rgba(0,0,0,0)",this.onEnd=d.onEnd,this.onBegin=d.onBegin,this._canvas=a,this._ctx=a.getContext("2d"),this.clear(),this._handleMouseDown=function(a){1===a.which&&(c._mouseButtonDown=!0,c._strokeBegin(a))},this._handleMouseMove=function(a){c._mouseButtonDown&&c._strokeUpdate(a)},this._handleMouseUp=function(a){1===a.which&&c._mouseButtonDown&&(c._mouseButtonDown=!1,c._strokeEnd(a))},this._handleTouchStart=function(a){if(1==a.targetTouches.length){var
b=a.changedTouches[0];c._strokeBegin(b)}},this._handleTouchMove=function(a){a.preventDefault();var
b=a.targetTouches[0];c._strokeUpdate(b)},this._handleTouchEnd=function(a){var
b=a.target===c._canvas;b&&(a.preventDefault(),c._strokeEnd(a))},this._handleMouseEvents(),this._handleTouchEvents()};b.prototype.clear=function(){var
a=this._ctx,b=this._canvas;a.fillStyle=this.backgroundColor,a.clearRect(0,0,b.width,b.height),a.fillRect(0,0,b.width,b.height),this._reset()},b.prototype.toDataURL=function(){var
a=this._canvas;return
a.toDataURL.apply(a,arguments)},b.prototype.fromDataURL=function(a){var
b=this,c=new
Image,d=window.devicePixelRatio||1,e=this._canvas.width/d,f=this._canvas.height/d;this._reset(),c.src=a,c.onload=function(){b._ctx.drawImage(c,0,0,e,f)},this._isEmpty=!1},b.prototype._strokeUpdate=function(a){var
b=this._createPoint(a);this._addPoint(b)},b.prototype._strokeBegin=function(a){this._reset(),this._strokeUpdate(a),"function"==typeof
this.onBegin&&this.onBegin(a)},b.prototype._strokeDraw=function(a){var
b=this._ctx,c="function"==typeof
this.dotSize?this.dotSize():this.dotSize;b.beginPath(),this._drawPoint(a.x,a.y,c),b.closePath(),b.fill()},b.prototype._strokeEnd=function(a){var
b=this.points.length>2,c=this.points[0];!b&&c&&this._strokeDraw(c),"function"==typeof
this.onEnd&&this.onEnd(a)},b.prototype._handleMouseEvents=function(){this._mouseButtonDown=!1,this._canvas.addEventListener("mousedown",this._handleMouseDown),this._canvas.addEventListener("mousemove",this._handleMouseMove),a.addEventListener("mouseup",this._handleMouseUp)},b.prototype._handleTouchEvents=function(){this._canvas.style.msTouchAction="none",this._canvas.style.touchAction="none",this._canvas.addEventListener("touchstart",this._handleTouchStart),this._canvas.addEventListener("touchmove",this._handleTouchMove),this._canvas.addEventListener("touchend",this._handleTouchEnd)},b.prototype.on=function(){this._handleMouseEvents(),this._handleTouchEvents()},b.prototype.off=function(){this._canvas.removeEventListener("mousedown",this._handleMouseDown),this._canvas.removeEventListener("mousemove",this._handleMouseMove),a.removeEventListener("mouseup",this._handleMouseUp),this._canvas.removeEventListener("touchstart",this._handleTouchStart),this._canvas.removeEventListener("touchmove",this._handleTouchMove),this._canvas.removeEventListener("touchend",this._handleTouchEnd)},b.prototype.isEmpty=function(){return
this._isEmpty},b.prototype._reset=function(){this.points=[],this._lastVelocity=0,this._lastWidth=(this.minWidth+this.maxWidth)/2,this._isEmpty=!0,this._ctx.fillStyle=this.penColor},b.prototype._createPoint=function(a){var
b=this._canvas.getBoundingClientRect();return new
c(a.clientX-b.left,a.clientY-b.top)},b.prototype._addPoint=function(a){var
b,c,e,f,g=this.points;g.push(a),g.length>2&&(3===g.length&&g.unshift(g[0]),f=this._calculateCurveControlPoints(g[0],g[1],g[2]),b=f.c2,f=this._calculateCurveControlPoints(g[1],g[2],g[3]),c=f.c1,e=new
d(g[1],b,c,g[2]),this._addCurve(e),g.shift())},b.prototype._calculateCurveControlPoints=function(a,b,d){var
e=a.x-b.x,f=a.y-b.y,g=b.x-d.x,h=b.y-d.y,i={x:(a.x+b.x)/2,y:(a.y+b.y)/2},j={x:(b.x+d.x)/2,y:(b.y+d.y)/2},k=Math.sqrt(e*e+f*f),l=Math.sqrt(g*g+h*h),m=i.x-j.x,n=i.y-j.y,o=l/(k+l),p={x:j.x+m*o,y:j.y+n*o},q=b.x-p.x,r=b.y-p.y;return{c1:new
c(i.x+q,i.y+r),c2:new c(j.x+q,j.y+r)}},b.prototype._addCurve=function(a){var
b,c,d=a.startPoint,e=a.endPoint;b=e.velocityFrom(d),b=this.velocityFilterWeight*b+(1-this.velocityFilterWeight)*this._lastVelocity,c=this._strokeWidth(b),this._drawCurve(a,this._lastWidth,c),this._lastVelocity=b,this._lastWidth=c},b.prototype._drawPoint=function(a,b,c){var
d=this._ctx;d.moveTo(a,b),d.arc(a,b,c,0,2*Math.PI,!1),this._isEmpty=!1},b.prototype._drawCurve=function(a,b,c){var
d,e,f,g,h,i,j,k,l,m,n,o=this._ctx,p=c-b;for(d=Math.floor(a.length()),o.beginPath(),f=0;d>f;f++)g=f/d,h=g*g,i=h*g,j=1-g,k=j*j,l=k*j,m=l*a.startPoint.x,m+=3*k*g*a.control1.x,m+=3*j*h*a.control2.x,m+=i*a.endPoint.x,n=l*a.startPoint.y,n+=3*k*g*a.control1.y,n+=3*j*h*a.control2.y,n+=i*a.endPoint.y,e=b+i*p,this._drawPoint(m,n,e);o.closePath(),o.fill()},b.prototype._strokeWidth=function(a){return
Math.max(this.maxWidth/(a+1),this.minWidth)};var
c=function(a,b,c){this.x=a,this.y=b,this.time=c||(new
Date).getTime()};c.prototype.velocityFrom=function(a){return
this.time!==a.time?this.distanceTo(a)/(this.time-a.time):1},c.prototype.distanceTo=function(a){return
Math.sqrt(Math.pow(this.x-a.x,2)+Math.pow(this.y-a.y,2))};var
d=function(a,b,c,d){this.startPoint=a,this.control1=b,this.control2=c,this.endPoint=d};return
d.prototype.length=function(){var
a,b,c,d,e,f,g,h,i=10,j=0;for(a=0;i>=a;a++)b=a/i,c=this._point(b,this.startPoint.x,this.control1.x,this.control2.x,this.endPoint.x),d=this._point(b,this.startPoint.y,this.control1.y,this.control2.y,this.endPoint.y),a>0&&(g=c-e,h=d-f,j+=Math.sqrt(g*g+h*h)),e=c,f=d;return
j},d.prototype._point=function(a,b,c,d,e){return
b*(1-a)*(1-a)*(1-a)+3*c*(1-a)*(1-a)*a+3*d*(1-a)*a*a+e*a*a*a},b}(document);return
a});
\ No newline at end of file
| [Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Fmsystem-commits] [16109] signature,
sigurdne <=