jsketch/dist/jquery.sketchable.full.min.js

/*! jSketch drawing lib (all in one) | v2.0.0 | 2017-11-18 */
!function(a){function b(a,b){if(!a)throw new Error("Sketchable requires a DOM element.");return"string"==typeof a&&(a=document.querySelector(a)),this.setContext(a),this.stageWidth=a.width,this.stageHeight=a.height,this.data=b,this.setDefaults()}b.prototype={setContext:function(a){if(!a)throw new Error("No canvas element specified.");return this.canvas=a,this.context=a.getContext("2d"),this},setDefaults:function(){return this.saveGraphics({fillStyle:this.data.fillStyle||"#F00",strokeStyle:this.data.strokeStyle||"#F0F",lineWidth:this.data.lineWidth||2,lineCap:this.data.lineCap||"round",lineJoin:this.data.lineJoin||"round",miterLimit:this.data.miterLimit||10}).restoreGraphics()},size:function(a,b){return this.stageWidth=a,this.stageHeight=b,this.canvas.width=a,this.canvas.height=b,this.restoreGraphics(),this},background:function(a){return this.beginFill(a),this.context.fillRect(0,0,this.stageWidth,this.stageHeight),this.endFill(),this},stage:function(a,b,c){return this.size(a,b).background(c),this},beginFill:function(a){return this.saveGraphics(),this.context.fillStyle=a,this},endFill:function(){return this.restoreGraphics(),this},lineStyle:function(a,b,c,d,e){return this.saveGraphics({strokeStyle:a||this.data.strokeStyle,lineWidth:b||this.data.lineWidth,lineCap:c||this.data.lineCap,lineJoin:d||this.data.lineJoin,miterLimit:e||this.data.miterLimit}).restoreGraphics()},moveTo:function(a,b){return this.context.moveTo(a,b),this},lineTo:function(a,b){return this.context.lineTo(a,b),this},line:function(a,b,c,d){return this.context.moveTo(a,b),this.lineTo(c,d),this},curveTo:function(a,b,c,d){return this.context.quadraticCurveTo(c,d,a,b),this},curve:function(a,b,c,d,e,f){return this.context.moveTo(a,b),this.curveTo(c,d,e,f),this},stroke:function(){return this.context.stroke(),this},strokeRect:function(a,b,c,d){return this.context.beginPath(),this.context.strokeRect(a,b,c,d),this.context.closePath(),this},fillRect:function(a,b,c,d){return this.context.beginPath(),this.context.fillRect(a,b,c,d),this.context.closePath(),this},strokeCircle:function(a,b,c){return this.context.beginPath(),this.context.arc(a,b,c,0,2*Math.PI,!1),this.context.stroke(),this.context.closePath(),this},fillCircle:function(a,b,c){return this.context.beginPath(),this.context.arc(a,b,c,0,2*Math.PI,!1),this.context.fill(),this.context.closePath(),this},radialCircle:function(a,b,c,d,e){var f=this.context.createRadialGradient(a,b,c,a,b,d||5);e&&"array"===e.constructor.name||(e=[this.context.fillStyle,"white"]);for(var g=0;g<e.length;g++){var h=e[g];f.addColorStop(g,h)}return this.beginFill(f).fillCircle(a,b,c).endFill(),this},beginPath:function(){return this.saveGraphics(),this.context.beginPath(),this},closePath:function(){return this.context.closePath(),this.restoreGraphics(),this},eraser:function(){return this.context.globalCompositeOperation="destination-out",this},pencil:function(){return 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d=b.coords[a],e=(new Date).getTime();if(b.options.relTimestamps&&(0===b.strokes.length&&0===d.length&&(b.timestamp=e),e-=b.timestamp),d.push([c.x,c.y,e,+b.sketch.isDrawing]),b.options.filterCoords&&d.length>1){var f=d.length-1,g=d[f],h=d[f-1];g[0]==h[0]&&g[1]==h[1]&&d.splice(f,1)}}function f(a){return a.originalEvent.touches?!1:void l(a)}function g(a){return a.originalEvent.touches?!1:void m(a)}function h(a){return a.originalEvent.touches?!1:void n(a)}function i(a){o(a,l),a.preventDefault()}function j(a){o(a,m),a.preventDefault()}function k(a){o(a,n),a.preventDefault()}function l(b){if(3===b.which)return!1;var c=b.identifier||0,f=a(b.target),g=f.data(p),h=g.options;if(h.interactive){g.sketch.isDrawing=!0;var i=d(b);h.graphics.firstPointSize>0&&g.sketch.beginFill(h.graphics.fillStyle).fillCircle(i.x,i.y,h.graphics.firstPointSize).endFill();var j=g.coords[c];j||(j=[]),j.length>0&&g.strokes.push(j),g.coords[c]=[],e(c,g,i),"function"==typeof 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