react-canvas-draw
Advanced tools
Comparing version 1.0.0-alpha.2 to 1.0.0-alpha.3
@@ -465,11 +465,2 @@ var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; | ||
_this.lazy = new LazyBrush({ | ||
radius: props.lazyRadius, | ||
enabled: true, | ||
initialPoint: { | ||
x: window.innerWidth / 2, | ||
y: window.innerHeight / 2 | ||
} | ||
}); | ||
_this.points = []; | ||
@@ -492,2 +483,11 @@ _this.lines = []; | ||
this.lazy = new LazyBrush({ | ||
radius: this.props.lazyRadius, | ||
enabled: true, | ||
initialPoint: { | ||
x: window.innerWidth / 2, | ||
y: window.innerHeight / 2 | ||
} | ||
}); | ||
var observeCanvas = new ResizeObserver(function (entries, observer) { | ||
@@ -494,0 +494,0 @@ return _this2.handleCanvasResize(entries, observer); |
@@ -480,11 +480,2 @@ "use strict"; | ||
_this.lazy = new _lazyBrush.LazyBrush({ | ||
radius: props.lazyRadius, | ||
enabled: true, | ||
initialPoint: { | ||
x: window.innerWidth / 2, | ||
y: window.innerHeight / 2 | ||
} | ||
}); | ||
_this.points = []; | ||
@@ -507,2 +498,11 @@ _this.lines = []; | ||
this.lazy = new _lazyBrush.LazyBrush({ | ||
radius: this.props.lazyRadius, | ||
enabled: true, | ||
initialPoint: { | ||
x: window.innerWidth / 2, | ||
y: window.innerHeight / 2 | ||
} | ||
}); | ||
var observeCanvas = new _resizeObserverPolyfill2.default(function (entries, observer) { | ||
@@ -509,0 +509,0 @@ return _this2.handleCanvasResize(entries, observer); |
{ | ||
"name": "react-canvas-draw", | ||
"version": "1.0.0-alpha.2", | ||
"version": "1.0.0-alpha.3", | ||
"description": "A simple yet powerful canvas-drawing component for React.", | ||
@@ -5,0 +5,0 @@ "main": "lib/index.js", |
@@ -9,3 +9,3 @@ # React Canvas Draw | ||
> A simple yet powerful canvas-drawing component for React ([Demo](https://mbeierl.github.io/react-canvas-draw/)). | ||
> A simple yet powerful canvas-drawing component for React ([Demo](https://embiem.github.io/react-canvas-draw/)). | ||
@@ -36,7 +36,7 @@ ## Installation | ||
For more examples, like saving and loading a drawing ==> look into the [`/demo/src` folder](https://github.com/mBeierl/react-canvas-draw/tree/master/demo/src). | ||
For more examples, like saving and loading a drawing ==> look into the [`/demo/src` folder](https://github.com/embiem/react-canvas-draw/tree/master/demo/src). | ||
### Props | ||
These are the defaultProps of CanvasDraw. You can pass along any of these props to customize the CanvasDraw component. Examples of how to use the props are also shown in the [`/demo/src` folder](https://github.com/mBeierl/react-canvas-draw/tree/master/demo/src). | ||
These are the defaultProps of CanvasDraw. You can pass along any of these props to customize the CanvasDraw component. Examples of how to use the props are also shown in the [`/demo/src` folder](https://github.com/embiem/react-canvas-draw/tree/master/demo/src). | ||
@@ -86,9 +86,9 @@ ```javascript | ||
MIT, see [LICENSE](https://github.com/mBeierl/react-canvas-draw/blob/master/LICENSE) for details. | ||
MIT, see [LICENSE](https://github.com/embiem/react-canvas-draw/blob/master/LICENSE) for details. | ||
[build-badge]: https://img.shields.io/travis/mBeierl/react-canvas-draw/master.png?style=flat-square | ||
[build]: https://travis-ci.org/mBeierl/react-canvas-draw | ||
[build-badge]: https://img.shields.io/travis/embiem/react-canvas-draw/master.png?style=flat-square | ||
[build]: https://travis-ci.org/embiem/react-canvas-draw | ||
[npm-badge]: https://img.shields.io/npm/v/react-canvas-draw.png?style=flat-square | ||
[npm]: https://www.npmjs.org/package/react-canvas-draw | ||
[coveralls-badge]: https://img.shields.io/coveralls/mBeierl/react-canvas-draw/master.png?style=flat-square | ||
[coveralls]: https://coveralls.io/github/mBeierl/react-canvas-draw | ||
[coveralls-badge]: https://img.shields.io/coveralls/embiem/react-canvas-draw/master.png?style=flat-square | ||
[coveralls]: https://coveralls.io/github/embiem/react-canvas-draw |
/*! | ||
* react-canvas-draw v1.0.0-alpha.2 - https://mbeierl.github.io/react-canvas-draw/ | ||
* react-canvas-draw v1.0.0-alpha.3 - https://mbeierl.github.io/react-canvas-draw/ | ||
* MIT Licensed | ||
*/ | ||
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e=i.lines.slice(0,-1);i.clear(),i.simulateDrawingLines({lines:e,immediate:!0})},i.getSaveData=function(){return{lines:[].concat(i.lines),width:i.props.canvasWidth,height:i.props.canvasHeight}},i.loadSaveData=function(e,t){if("object"!==(void 0===e?"undefined":f(e)))throw new Error("saveData needs to be of type object!");var n=e.lines,r=e.width,o=e.height;if(!n||"function"!=typeof n.push)throw new Error("saveData.lines needs to be an array!");if(i.clear(),r===i.props.canvasWidth&&o===i.props.canvasHeight)i.simulateDrawingLines({lines:n,immediate:t});else{var a=i.props.canvasWidth/r,s=i.props.canvasHeight/o,u=(a+s)/2;i.simulateDrawingLines({lines:n.map(function(e){return d({},e,{points:e.points.map(function(e){return{x:e.x*a,y:e.y*s}}),brushRadius:e.brushRadius*u})}),immediate:t})}},i.simulateDrawingLines=function(e){var t=e.lines,n=0,r=e.immediate?0:i.props.loadTimeOffset;t.forEach(function(e){for(var t=e.points,o=e.brushColor,a=e.brushRadius,s=function(e){n+=r,window.setTimeout(function(){i.drawPoints({points:t.slice(0,e+1),brushColor:o,brushRadius:a})},n)},u=1;u<t.length;u++)s(u);n+=r,window.setTimeout(function(){i.points=t,i.saveLine({brushColor:o,brushRadius:a})},n)})},i.handleTouchStart=function(e){var t=i.getPointerPos(e),n=t.x,r=t.y;i.lazy.update({x:n,y:r},{both:!0}),i.handleMouseDown(e),i.mouseHasMoved=!0},i.handleTouchMove=function(e){e.preventDefault();var t=i.getPointerPos(e),n=t.x,r=t.y;i.handlePointerMove(n,r)},i.handleTouchEnd=function(e){i.handleMouseUp(e);var t=i.lazy.getBrushCoordinates();i.lazy.update({x:t.x,y:t.y},{both:!0}),i.mouseHasMoved=!0},i.handleMouseDown=function(e){e.preventDefault(),i.isPressing=!0},i.handleMouseMove=function(e){var t=i.getPointerPos(e),n=t.x,r=t.y;i.handlePointerMove(n,r)},i.handleMouseUp=function(e){e.preventDefault(),i.isDrawing=!1,i.isPressing=!1,i.saveLine()},i.handleCanvasResize=function(e,t){i.dpi=window.devicePixelRatio;var n=e,r=Array.isArray(n),o=0;for(n=r?n:n[Symbol.iterator]();;){var a;if(r){if(o>=n.length)break;a=n[o++]}else{if((o=n.next()).done)break;a=o.value}var s=a.contentRect,u=s.width,c=s.height;i.setCanvasSize(i.canvas.interface,u,c,1.25),i.setCanvasSize(i.canvas.drawing,u,c,1),i.setCanvasSize(i.canvas.temp,u,c,1),i.setCanvasSize(i.canvas.grid,u,c,2),i.drawGrid(i.ctx.grid),i.loop({once:!0})}},i.setCanvasSize=function(e,t,n){var r=arguments.length>3&&void 0!==arguments[3]?arguments[3]:4,o=i.dpi;window.innerWidth>1024&&(o=Math.min(i.dpi,r)),e.width=t*o,e.height=n*o,e.style.width=t,e.style.height=n,e.getContext("2d").scale(o,o)},i.getPointerPos=function(e){var t=i.canvas.interface.getBoundingClientRect(),n=e.clientX,r=e.clientY;return e.changedTouches&&e.changedTouches.length>0&&(n=e.changedTouches[0].clientX,r=e.changedTouches[0].clientY),{x:n-t.left,y:r-t.top}},i.handlePointerMove=function(e,t){if(!i.props.disabled){var n=i.lazy.update({x:e,y:t}),r=!i.lazy.isEnabled();(i.isPressing&&n&&!i.isDrawing||r&&i.isPressing)&&(i.isDrawing=!0,i.points.push(i.lazy.brush.toObject())),i.isDrawing&&(i.lazy.brushHasMoved()||r)&&(i.points.push(i.lazy.brush.toObject()),i.drawPoints({points:i.points,brushColor:i.props.brushColor,brushRadius:i.props.brushRadius})),i.mouseHasMoved=!0}},i.drawPoints=function(e){var t=e.points,n=e.brushColor,r=e.brushRadius;i.ctx.temp.lineJoin="round",i.ctx.temp.lineCap="round",i.ctx.temp.strokeStyle=n,i.ctx.temp.clearRect(0,0,i.ctx.temp.canvas.width,i.ctx.temp.canvas.height),i.ctx.temp.lineWidth=2*r;var o=t[0],a=t[1];i.ctx.temp.moveTo(a.x,a.y),i.ctx.temp.beginPath();for(var s=1,u=t.length;s<u;s++){var c=l(o,a);i.ctx.temp.quadraticCurveTo(o.x,o.y,c.x,c.y),o=t[s],a=t[s+1]}i.ctx.temp.lineTo(o.x,o.y),i.ctx.temp.stroke()},i.saveLine=function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},t=e.brushColor,n=e.brushRadius;if(!(i.points.length<2)){i.lines.push({points:[].concat(i.points),brushColor:t||i.props.brushColor,brushRadius:n||i.props.brushRadius}),i.points.length=0;var r=window.innerWidth>1024?1:window.devicePixelRatio,o=i.canvas.temp.width/r,a=i.canvas.temp.height/r;i.ctx.drawing.drawImage(i.canvas.temp,0,0,o,a),i.ctx.temp.clearRect(0,0,o,a)}},i.clear=function(){i.lines=[],i.valuesChanged=!0,i.ctx.drawing.clearRect(0,0,i.canvas.drawing.width,i.canvas.drawing.height),i.ctx.temp.clearRect(0,0,i.canvas.temp.width,i.canvas.temp.height)},i.loop=function(){var e=(arguments.length>0&&void 0!==arguments[0]?arguments[0]:{}).once,t=void 0!==e&&e;if(i.mouseHasMoved||i.valuesChanged){var n=i.lazy.getPointerCoordinates(),r=i.lazy.getBrushCoordinates();i.drawInterface(i.ctx.interface,n,r),i.mouseHasMoved=!1,i.valuesChanged=!1}t||window.requestAnimationFrame(function(){i.loop()})},i.drawGrid=function(e){if(!i.props.hideGrid){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.beginPath(),e.setLineDash([5,1]),e.setLineDash([]),e.strokeStyle=i.props.gridColor,e.lineWidth=.5;for(var t=0;t<e.canvas.width;)t+=25,e.moveTo(t,0),e.lineTo(t,e.canvas.height);e.stroke();for(var 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TypeError("Super expression must either be null or a function, not "+typeof t);e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),t&&(Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t)}(t,e),t.prototype.componentDidMount=function(){var e=this;new c.a(function(t,n){return e.handleCanvasResize(t,n)}).observe(this.canvasContainer),this.drawImage(),this.loop(),window.setTimeout(function(){var t=window.innerWidth/2,n=window.innerHeight/2;e.lazy.update({x:t-e.chainLength/4,y:n},{both:!0}),e.lazy.update({x:t+e.chainLength/4,y:n},{both:!1}),e.mouseHasMoved=!0,e.valuesChanged=!0,e.clear()},100)},t.prototype.componentDidUpdate=function(e){e.lazyRadius!==this.props.lazyRadius&&(this.chainLength=this.props.lazyRadius,this.lazy.setRadius(this.props.lazyRadius)),JSON.stringify(e)!==JSON.stringify(this.props)&&(this.valuesChanged=!0)},t.prototype.render=function(){var e=this;return a.a.createElement("div",{style:d({display:"block",background:"#fff",touchAction:"none",width:this.props.canvasWidth,height:this.props.canvasHeight},this.props.style),ref:function(t){t&&(e.canvasContainer=t)}},v.map(function(t){var n=t.name,i=t.zIndex,r="interface"===n;return a.a.createElement("canvas",{key:n,ref:function(t){t&&(e.canvas[n]=t,e.ctx[n]=t.getContext("2d"))},style:d({},p,{zIndex:i}),onMouseDown:r?e.handleMouseDown:void 0,onMouseMove:r?e.handleMouseMove:void 0,onMouseUp:r?e.handleMouseUp:void 0,onMouseOut:r?e.handleMouseUp:void 0,onTouchStart:r?e.handleTouchStart:void 0,onTouchMove:r?e.handleTouchMove:void 0,onTouchEnd:r?e.handleTouchEnd:void 0,onTouchCancel:r?e.handleTouchEnd:void 0})}))},t}(o.PureComponent),i.defaultProps={loadTimeOffset:5,lazyRadius:30,brushRadius:12,brushColor:"#444",catenaryColor:"#0a0302",gridColor:"rgba(150,150,150,0.17)",hideGrid:!1,canvasWidth:400,canvasHeight:400,disabled:!1,imgSrc:""},r)},function(t,n){t.exports=e},function(e,t,n){"use 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this._hasMoved=!1,!(this.pointer.equalsTo(e)&&!n)&&(this.pointer.update(e),n?(this._hasMoved=!0,this.brush.update(e),!0):(this._isEnabled?(this.distance=this.pointer.getDistanceTo(this.brush),this.angle=this.pointer.getAngleTo(this.brush),this.distance>this.radius&&(this.brush.moveByAngle(this.angle,this.distance-this.radius),this._hasMoved=!0)):(this.distance=0,this.angle=0,this.brush.update(e),this._hasMoved=!0),!0))}}]),e}();t.default=u},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.Point=t.Catenary=void 0;var i=o(n(9)),r=o(n(2));function o(e){return e&&e.__esModule?e:{default:e}}t.Catenary=i.default,t.Point=r.default},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i,r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return 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n=i.lazy.update({x:e,y:t}),r=!i.lazy.isEnabled();(i.isPressing&&n&&!i.isDrawing||r&&i.isPressing)&&(i.isDrawing=!0,i.points.push(i.lazy.brush.toObject())),i.isDrawing&&(i.lazy.brushHasMoved()||r)&&(i.points.push(i.lazy.brush.toObject()),i.drawPoints({points:i.points,brushColor:i.props.brushColor,brushRadius:i.props.brushRadius})),i.mouseHasMoved=!0}},i.drawPoints=function(e){var t=e.points,n=e.brushColor,r=e.brushRadius;i.ctx.temp.lineJoin="round",i.ctx.temp.lineCap="round",i.ctx.temp.strokeStyle=n,i.ctx.temp.clearRect(0,0,i.ctx.temp.canvas.width,i.ctx.temp.canvas.height),i.ctx.temp.lineWidth=2*r;var o=t[0],a=t[1];i.ctx.temp.moveTo(a.x,a.y),i.ctx.temp.beginPath();for(var s=1,u=t.length;s<u;s++){var c=l(o,a);i.ctx.temp.quadraticCurveTo(o.x,o.y,c.x,c.y),o=t[s],a=t[s+1]}i.ctx.temp.lineTo(o.x,o.y),i.ctx.temp.stroke()},i.saveLine=function(){var e=arguments.length>0&&void 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n=i.lazy.getPointerCoordinates(),r=i.lazy.getBrushCoordinates();i.drawInterface(i.ctx.interface,n,r),i.mouseHasMoved=!1,i.valuesChanged=!1}t||window.requestAnimationFrame(function(){i.loop()})},i.drawGrid=function(e){if(!i.props.hideGrid){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.beginPath(),e.setLineDash([5,1]),e.setLineDash([]),e.strokeStyle=i.props.gridColor,e.lineWidth=.5;for(var t=0;t<e.canvas.width;)t+=25,e.moveTo(t,0),e.lineTo(t,e.canvas.height);e.stroke();for(var n=0;n<e.canvas.height;)n+=25,e.moveTo(0,n),e.lineTo(e.canvas.width,n);e.stroke()}},i.drawInterface=function(e,t,n){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.beginPath(),e.fillStyle=i.props.brushColor,e.arc(n.x,n.y,i.props.brushRadius,0,2*Math.PI,!0),e.fill(),e.beginPath(),e.fillStyle=i.props.catenaryColor,e.arc(t.x,t.y,4,0,2*Math.PI,!0),e.fill(),i.lazy.isEnabled()&&(e.beginPath(),e.lineWidth=2,e.lineCap="round",e.setLineDash([2,4]),e.strokeStyle=i.props.catenaryColor,i.catenary.drawToCanvas(i.ctx.interface,n,t,i.chainLength),e.stroke()),e.beginPath(),e.fillStyle=i.props.catenaryColor,e.arc(n.x,n.y,2,0,2*Math.PI,!0),e.fill()},i.canvas={},i.ctx={},i.catenary=new u.Catenary,i.points=[],i.lines=[],i.mouseHasMoved=!0,i.valuesChanged=!0,i.isDrawing=!1,i.isPressing=!1,i.chainLength=n.lazyRadius,i.dpi=1,i}return function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function, not "+typeof 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e=this;return a.a.createElement("div",{style:d({display:"block",background:"#fff",touchAction:"none",width:this.props.canvasWidth,height:this.props.canvasHeight},this.props.style),ref:function(t){t&&(e.canvasContainer=t)}},v.map(function(t){var n=t.name,i=t.zIndex,r="interface"===n;return a.a.createElement("canvas",{key:n,ref:function(t){t&&(e.canvas[n]=t,e.ctx[n]=t.getContext("2d"))},style:d({},p,{zIndex:i}),onMouseDown:r?e.handleMouseDown:void 0,onMouseMove:r?e.handleMouseMove:void 0,onMouseUp:r?e.handleMouseUp:void 0,onMouseOut:r?e.handleMouseUp:void 0,onTouchStart:r?e.handleTouchStart:void 0,onTouchMove:r?e.handleTouchMove:void 0,onTouchEnd:r?e.handleTouchEnd:void 0,onTouchCancel:r?e.handleTouchEnd:void 0})}))},t}(o.PureComponent),i.defaultProps={loadTimeOffset:5,lazyRadius:30,brushRadius:12,brushColor:"#444",catenaryColor:"#0a0302",gridColor:"rgba(150,150,150,0.17)",hideGrid:!1,canvasWidth:400,canvasHeight:400,disabled:!1,imgSrc:""},r)},function(t,n){t.exports=e},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.LazyPoint=t.Point=t.LazyBrush=void 0;var i=a(n(7)),r=a(n(1)),o=a(n(0));function a(e){return e&&e.__esModule?e:{default:e}}t.LazyBrush=i.default,t.Point=r.default,t.LazyPoint=o.default},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i,r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),o=n(0),a=(i=o)&&i.__esModule?i:{default:i};var s=30,u=function(){function e(){var t=arguments.length>0&&void 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c=a.x-o.x,h=a.y-o.y,d=-this.getCatenaryParameter(c,h,i,this.iterationLimit),f=.5*(d*Math.log((i+h)/(i-h))-c),l=d*Math.cosh(f/d),p=o.x-f,v=o.y-l;s=this.getCurve(d,o,a,p,v,this.segments),u=!1}else{var y=.5*(o.x+a.x),b=.5*(o.y+a.y+i);s=[[o.x,o.y],[y,b],[a.x,a.y]]}else s=[[o.x,o.y],[a.x,a.y]];return u?this.drawLine(s,e):this.drawCurve(s,e),s}},{key:"getCatenaryParameter",value:function(e,t,n,i){for(var r=Math.sqrt(n*n-t*t)/e,o=Math.acosh(r)+1,a=-1,s=0;Math.abs(o-a)>1e-6&&s<i;)a=o,o-=(Math.sinh(o)-r*o)/(Math.cosh(o)-r),s++;return e/(2*o)}},{key:"getCurve",value:function(e,t,n,i,r,o){for(var a=[t.x,e*Math.cosh((t.x-i)/e)+r],s=n.x-t.x,u=o-1,c=0;c<u;c++){var h=t.x+s*(c+.5)/u,d=e*Math.cosh((h-i)/e)+r;a.push(h,d)}return a.push(n.x,e*Math.cosh((n.x-i)/e)+r),a}},{key:"drawLine",value:function(e,t){t.moveTo(e[0][0],e[0][1]),t.lineTo(e[1][0],e[1][1])}},{key:"drawCurve",value:function(e,t){var n=.5*e.length-1,i=e[2],r=e[3],o=[];t.moveTo(e[0],e[1]);for(var a=2;a<n;a++){var 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c,h,d,f,l=n.width,p=n.height,v=Math.min(o/l,a/p),y=l*v,b=p*v,g=1;y<o&&(g=o/y);Math.abs(g-1)<1e-14&&b<a&&(g=a/b);h=(p-(f=p/((b*=g)/a)))*u,(c=(l-(d=l/((y*=g)/o)))*s)<0&&(c=0);h<0&&(h=0);d>l&&(d=l);f>p&&(f=p);t.drawImage(n,c,h,d,f,i,r,o,a)}}]).default}); | ||
//# sourceMappingURL=react-canvas-draw.min.js.map |
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LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
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