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jsketch
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Minor fixes

This commit is contained in:
Luis A. Leiva 2015-06-21 20:07:47 +02:00
parent 058ae6e025
commit 335016a066
2 changed files with 4 additions and 4 deletions
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6
jsketch.js
View File

@ -39,8 +39,8 @@
// Set drawing context first.
this.context(elem);
// Scene defaults.
this.stageWidth = elem.getAttribute("width");
this.stageHeight = elem.getAttribute("height");
this.stageWidth = elem.width;
this.stageHeight = elem.height;
// Drawing defaults.
this.drawingDefaults(options);
// Make room for storing some data such as brush type, colors, etc.
@ -62,7 +62,7 @@
* @memberof jSketch
*/
context: function(elem) {
if (elem == null) throw("No canvas element specified.");
if (elem === null) throw("No canvas element specified.");
// Save shortcuts: canvas (DOM elem) & graphics (2D canvas context).
this.canvas = elem;
this.graphics = elem.getContext("2d");

2
jsketch.min.js vendored
View File

@ -2,4 +2,4 @@
* jSketch 0.8 | Luis A. Leiva | MIT license
* A simple JavaScript library for drawing facilities on HTML5 canvas.
*/
(function(a){var c=function(e,d){return new b(e,d)};var b=function(e,d){if(!e){return}if(typeof d==="undefined"){d={}}this.context(e);this.stageWidth=e.getAttribute("width");this.stageHeight=e.getAttribute("height");this.drawingDefaults(d);this.data={};return this};c.fn=b.prototype={context:function(d){if(d==null){throw ("No canvas element specified.")}this.canvas=d;this.graphics=d.getContext("2d");return this},drawingDefaults:function(d){if(typeof d==="undefined"){d={}}this.graphics.fillStyle=typeof d.fillStyle!=="undefined"?d.fillStyle:"#F00";this.graphics.strokeStyle=typeof d.strokeStyle!=="undefined"?d.strokeStyle:"#F0F";this.graphics.lineWidth=typeof d.lineWidth!=="undefined"?d.lineWidth:2;this.graphics.lineCap=typeof d.lineCap!=="undefined"?d.lineCap:"round";this.graphics.lineJoin=typeof d.lineJoin!=="undefined"?d.lineJoin:"round";this.graphics.miterLimit=typeof d.miterLimit!=="undefined"?d.miterLimit:10;this.graphics.options=Object.keys(d);return this},size:function(e,d){this.stageWidth=e;this.stageHeight=d;this.canvas.width=e;this.canvas.height=d;this.drawingDefaults();return this},background:function(d){var e=this.graphics.fillStyle;this.beginFill(d);this.graphics.fillRect(0,0,this.stageWidth,this.stageHeight);this.endFill();return this},stage:function(f,d,e){this.size(f,d).background(e);return this},beginFill:function(d){this.saveGraphics();this.graphics.fillStyle=d;return this},endFill:function(){this.graphics.fillStyle=this.data.fillStyle;return this},lineStyle:function(d,e,f,h,g){this.graphics.strokeStyle=d||this.graphics.strokeStyle;this.graphics.lineWidth=e||this.graphics.lineWidth;this.graphics.lineCap=f||this.graphics.lineCap;this.graphics.lineJoin=h||this.graphics.lineJoin;this.graphics.miterLimit=g||this.graphics.miterLimit;return this},moveTo:function(d,e){this.graphics.moveTo(d,e);return this},lineTo:function(d,e){this.graphics.lineTo(d,e);return this},line:function(e,g,d,f){this.graphics.moveTo(e,g);this.lineTo(d,f);return this},curveTo:function(d,g,f,e){this.graphics.quadraticCurveTo(f,e,d,g);return this},curve:function(f,i,d,h,g,e){this.graphics.moveTo(f,i);this.curveTo(d,h,g,e);return this},stroke:function(){this.graphics.stroke();return this},strokeRect:function(e,g,f,d){this.graphics.beginPath();this.graphics.strokeRect(e,g,f,d);this.graphics.closePath();return this},fillRect:function(e,g,f,d){this.graphics.beginPath();this.graphics.fillRect(e,g,f,d);this.graphics.closePath();return this},strokeCircle:function(e,f,d){this.graphics.beginPath();this.graphics.arc(e,f,d,0,Math.PI*2,false);this.graphics.stroke();this.graphics.closePath();return this},fillCircle:function(e,f,d){this.graphics.beginPath();this.graphics.arc(e,f,d,0,Math.PI*2,false);this.graphics.fill();this.graphics.closePath();return this},radialCircle:function(e,j,d,f,h){var i=this.graphics.createRadialGradient(e,j,d,e,j,h);i.addColorStop(0,f);i.addColorStop(1,"rgba(0,0,0,0)");this.graphics.fillStyle=i;this.fillCircle(e,j,d);return this},beginPath:function(){this.saveGraphics();this.graphics.beginPath();return this},closePath:function(){this.graphics.closePath();this.restoreGraphics();return this},eraser:function(d){if(typeof d==="undefined"){d=15}this.graphics.globalCompositeOperation="destination-out";this.graphics.lineWidth=d;return this},pencil:function(d){if(typeof d!=="undefined"){this.graphics.lineWidth=d}this.graphics.globalCompositeOperation="source-over";return this},clear:function(){this.graphics.clearRect(0,0,this.stageWidth,this.stageHeight);this.data={};return this},save:function(){this.graphics.save();return this},restore:function(){this.graphics.restore();return this},saveGraphics:function(d){if(typeof d==="undefined"){d=this.graphics.options}if(typeof d==="string"){d=d.split(" ")}for(var e=0;e<d.length;e++){var f=d[e];this.data[f]=this.graphics[f]}return this},restoreGraphics:function(d){if(typeof d==="undefined"){d=this.graphics.options}if(typeof d==="string"){d=d.split(" ")}for(var e=0;e<d.length;e++){var f=d[e];this.graphics[f]=this.data[f]}return this},drawImage:function(g,d,h){if(typeof d==="undefined"){d=0}if(typeof h==="undefined"){h=0}var f=this,e=new Image();e.src=g;e.onload=function(){f.graphics.drawImage(e,d,h)};return this}};a.jSketch=c})(this);
(function(a){var c=function(e,d){return new b(e,d)};var b=function(e,d){if(!e){return}if(typeof d==="undefined"){d={}}this.context(e);this.stageWidth=e.width;this.stageHeight=e.height;this.drawingDefaults(d);this.data={};return this};c.fn=b.prototype={context:function(d){if(d===null){throw ("No canvas element specified.")}this.canvas=d;this.graphics=d.getContext("2d");return this},drawingDefaults:function(d){if(typeof d==="undefined"){d={}}this.graphics.fillStyle=typeof d.fillStyle!=="undefined"?d.fillStyle:"#F00";this.graphics.strokeStyle=typeof d.strokeStyle!=="undefined"?d.strokeStyle:"#F0F";this.graphics.lineWidth=typeof d.lineWidth!=="undefined"?d.lineWidth:2;this.graphics.lineCap=typeof d.lineCap!=="undefined"?d.lineCap:"round";this.graphics.lineJoin=typeof d.lineJoin!=="undefined"?d.lineJoin:"round";this.graphics.miterLimit=typeof d.miterLimit!=="undefined"?d.miterLimit:10;this.graphics.options=Object.keys(d);return this},size:function(e,d){this.stageWidth=e;this.stageHeight=d;this.canvas.width=e;this.canvas.height=d;this.drawingDefaults();return this},background:function(d){var e=this.graphics.fillStyle;this.beginFill(d);this.graphics.fillRect(0,0,this.stageWidth,this.stageHeight);this.endFill();return this},stage:function(f,d,e){this.size(f,d).background(e);return this},beginFill:function(d){this.saveGraphics();this.graphics.fillStyle=d;return this},endFill:function(){this.graphics.fillStyle=this.data.fillStyle;return this},lineStyle:function(d,e,f,h,g){this.graphics.strokeStyle=d||this.graphics.strokeStyle;this.graphics.lineWidth=e||this.graphics.lineWidth;this.graphics.lineCap=f||this.graphics.lineCap;this.graphics.lineJoin=h||this.graphics.lineJoin;this.graphics.miterLimit=g||this.graphics.miterLimit;return this},moveTo:function(d,e){this.graphics.moveTo(d,e);return this},lineTo:function(d,e){this.graphics.lineTo(d,e);return this},line:function(e,g,d,f){this.graphics.moveTo(e,g);this.lineTo(d,f);return this},curveTo:function(d,g,f,e){this.graphics.quadraticCurveTo(f,e,d,g);return this},curve:function(f,i,d,h,g,e){this.graphics.moveTo(f,i);this.curveTo(d,h,g,e);return this},stroke:function(){this.graphics.stroke();return this},strokeRect:function(e,g,f,d){this.graphics.beginPath();this.graphics.strokeRect(e,g,f,d);this.graphics.closePath();return this},fillRect:function(e,g,f,d){this.graphics.beginPath();this.graphics.fillRect(e,g,f,d);this.graphics.closePath();return this},strokeCircle:function(e,f,d){this.graphics.beginPath();this.graphics.arc(e,f,d,0,Math.PI*2,false);this.graphics.stroke();this.graphics.closePath();return this},fillCircle:function(e,f,d){this.graphics.beginPath();this.graphics.arc(e,f,d,0,Math.PI*2,false);this.graphics.fill();this.graphics.closePath();return this},radialCircle:function(e,j,d,f,h){var i=this.graphics.createRadialGradient(e,j,d,e,j,h);i.addColorStop(0,f);i.addColorStop(1,"rgba(0,0,0,0)");this.graphics.fillStyle=i;this.fillCircle(e,j,d);return this},beginPath:function(){this.saveGraphics();this.graphics.beginPath();return this},closePath:function(){this.graphics.closePath();this.restoreGraphics();return this},eraser:function(d){if(typeof d==="undefined"){d=15}this.graphics.globalCompositeOperation="destination-out";this.graphics.lineWidth=d;return this},pencil:function(d){if(typeof d!=="undefined"){this.graphics.lineWidth=d}this.graphics.globalCompositeOperation="source-over";return this},clear:function(){this.graphics.clearRect(0,0,this.stageWidth,this.stageHeight);this.data={};return this},save:function(){this.graphics.save();return this},restore:function(){this.graphics.restore();return this},saveGraphics:function(d){if(typeof d==="undefined"){d=this.graphics.options}if(typeof d==="string"){d=d.split(" ")}for(var e=0;e<d.length;e++){var f=d[e];this.data[f]=this.graphics[f]}return this},restoreGraphics:function(d){if(typeof d==="undefined"){d=this.graphics.options}if(typeof d==="string"){d=d.split(" ")}for(var e=0;e<d.length;e++){var f=d[e];this.graphics[f]=this.data[f]}return this},drawImage:function(g,d,h){if(typeof d==="undefined"){d=0}if(typeof h==="undefined"){h=0}var f=this,e=new Image();e.src=g;e.onload=function(){f.graphics.drawImage(e,d,h)};return this}};a.jSketch=c})(this);