canvaskit-wasm/bin/canvaskit.js

A WASM version of Skia's Canvas API

var CanvasKitInit = (function() {
  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
  return (
function(CanvasKitInit) {
  CanvasKitInit = CanvasKitInit || {};

var f;f||(f=typeof CanvasKitInit !== 'undefined' ? CanvasKitInit : {});
(function(a){a.ha=a.ha||[];a.ha.push(function(){a.MakeSWCanvasSurface=function(b){var c=b;if("CANVAS"!==c.tagName&&(c=document.getElementById(b),!c))throw"Canvas with id "+b+" was not found";if(b=a.MakeSurface(c.width,c.height))b.i=c;return b};a.MakeCanvasSurface||(a.MakeCanvasSurface=a.MakeSWCanvasSurface);a.MakeSurface=function(b,c){var d={width:b,height:c,colorType:a.ColorType.RGBA_8888,alphaType:a.AlphaType.Unpremul},e=b*c*4,h=a._malloc(e);if(d=this._getRasterDirectSurface(d,h,4*b))d.i=null,d.ec=
b,d.ac=c,d.dc=e,d.lb=h,d.getCanvas().clear(a.TRANSPARENT);return d};a.SkSurface.prototype.flush=function(){this._flush();if(this.i){var b=new Uint8ClampedArray(a.buffer,this.lb,this.dc);b=new ImageData(b,this.ec,this.ac);this.i.getContext("2d").putImageData(b,0,0)}};a.SkSurface.prototype.dispose=function(){this.lb&&a._free(this.lb);this.delete()};a.currentContext=a.currentContext||function(){};a.setCurrentContext=a.setCurrentContext||function(){}})})(f);
(function(a){a.ha=a.ha||[];a.ha.push(function(){a.MakeWebGLCanvasSurface=function(b,c,d){var e=b;if(!(0<e)){var h=b;if("CANVAS"!==h.tagName&&(h=document.getElementById(b),!h))throw"Canvas with id "+b+" was not found";e=h;var l={alpha:1,depth:1,stencil:0,antialias:1,premultipliedAlpha:1,preserveDrawingBuffer:0,preferLowPowerToHighPerformance:0,failIfMajorPerformanceCaveat:0,majorVersion:1,minorVersion:0,enableExtensionsByDefault:1,explicitSwapControl:0,renderViaOffscreenBackBuffer:0};e=!e||l.explicitSwapControl?
0:aa(e,l)}if(!e||0>e)throw"failed to create webgl context: err "+e;if(!(h||c&&d))throw"height and width must be provided with context";return(c=this._getWebGLSurface(e,c||h.width,d||h.height))?c:a.MakeSWCanvasSurface(b)};a.MakeCanvasSurface=a.MakeWebGLCanvasSurface})})(f);
(function(a){function b(a){return Math.round(Math.max(0,Math.min(a||0,255)))}a.Color=function(a,d,e,h){void 0===h&&(h=1);return b(255*h)<<24|b(a)<<16|b(d)<<8|b(e)<<0};a.getColorComponents=function(a){return[a>>16&255,a>>8&255,a>>0&255,(a>>24&255)/255]};a.multiplyByAlpha=function(a,d){return 1===d?a:b((a>>24&255)*d)<<24|a&16777215}})(f);var ba=!(new Function("try {return this===window;}catch(e){ return false;}"))();
(function(a){function b(b,c){if(!b||!b.length)return d;var e=a._malloc(b.length*c.BYTES_PER_ELEMENT);c.set(b,e/c.BYTES_PER_ELEMENT);return e}function c(b,c){if(!b||!b.length)return d;for(var e=a._malloc(b.length*b[0].length*c.BYTES_PER_ELEMENT),h=0,n=e/c.BYTES_PER_ELEMENT,q=0;q<b.length;q++)for(var t=0;t<b[0].length;t++)c[n+h]=b[q][t],h++;return e}a.onRuntimeInitialized=function(){a.SkMatrix={};a.SkMatrix.identity=function(){return[1,0,0,0,1,0,0,0,1]};a.SkMatrix.Ka=function(b){var c=b[0]*b[4]*b[8]+
b[1]*b[5]*b[6]+b[2]*b[3]*b[7]-b[2]*b[4]*b[6]-b[1]*b[3]*b[8]-b[0]*b[5]*b[7];return c?[(b[4]*b[8]-b[5]*b[7])/c,(b[2]*b[7]-b[1]*b[8])/c,(b[1]*b[5]-b[2]*b[4])/c,(b[5]*b[6]-b[3]*b[8])/c,(b[0]*b[8]-b[2]*b[6])/c,(b[2]*b[3]-b[0]*b[5])/c,(b[3]*b[7]-b[4]*b[6])/c,(b[1]*b[6]-b[0]*b[7])/c,(b[0]*b[4]-b[1]*b[3])/c]:a.SkMatrix.identity()};a.SkMatrix.mapPoints=function(a,b){if(b.length%2)throw"mapPoints requires an even length arr";for(var c=0;c<b.length;c+=2){var d=b[c],e=b[c+1],h=a[6]*d+a[7]*e+a[8],t=a[3]*d+a[4]*
e+a[5];b[c]=(a[0]*d+a[1]*e+a[2])/h;b[c+1]=t/h}return b};a.SkMatrix.multiply=function(a,b){for(var c=[0,0,0,0,0,0,0,0,0],d=0;3>d;d++)for(var e=0;3>e;e++)c[3*d+e]=a[3*d+0]*b[0+e]+a[3*d+1]*b[3+e]+(a[3*d+2]||0)*(b[6+e]||0);return c};a.SkMatrix.rotated=function(a,b,c){b=b||0;c=c||0;var d=Math.sin(a);a=Math.cos(a);return[a,-d,d*c+(1-a)*b+0,d,a,-d*b+(1-a)*c+0,0,0,1]};a.SkMatrix.scaled=function(a,b,c,d){c=c||0;d=d||0;return[a,0,c-a*c,0,b,d-b*d,0,0,1]};a.SkMatrix.skewed=function(a,b,c,d){return[1,a,-a*(c||
0),b,1,-b*(d||0),0,0,1]};a.SkMatrix.translated=function(a,b){return[1,0,a,0,1,b,0,0,1]};a.SkPath.prototype.addArc=function(a,b,c){this._addArc(a,b,c);return this};a.SkPath.prototype.addPath=function(){var a=Array.prototype.slice.call(arguments),b=a[0],c=!1;"boolean"===typeof a[a.length-1]&&(c=a.pop());if(1===a.length)this._addPath(b,1,0,0,0,1,0,0,0,1,c);else if(2===a.length)a=a[1],this._addPath(b,a[0],a[1],a[2],a[3],a[4],a[5],a[6]||0,a[7]||0,a[8]||1,c);else if(7===a.length||10===a.length)this._addPath(b,
a[1],a[2],a[3],a[4],a[5],a[6],a[7]||0,a[8]||0,a[9]||1,c);else return null;return this};a.SkPath.prototype.addRect=function(){if(1===arguments.length||2===arguments.length){var a=arguments[0];this._addRect(a.fLeft,a.fTop,a.fRight,a.fBottom,arguments[1]||!1)}else if(4===arguments.length||5===arguments.length)a=arguments,this._addRect(a[0],a[1],a[2],a[3],a[4]||!1);else return null;return this};a.SkPath.prototype.arc=function(b,c,d,m,n,q){b=a.LTRBRect(b-d,c-d,b+d,c+d);n=(n-m)/Math.PI*180-360*!!q;q=new a.SkPath;
q.addArc(b,m/Math.PI*180,n);this.addPath(q,!0);q.delete();return this};a.SkPath.prototype.arcTo=function(){var b=arguments;if(5===b.length)this._arcTo(b[0],b[1],b[2],b[3],b[4]);else if(4===b.length)this._arcTo(b[0],b[1],b[2],b[3]);else if(7===b.length)this._arcTo(a.LTRBRect(b[0],b[1],b[2],b[3]),b[4],b[5],b[6]);else throw"Invalid args for arcTo. Expected 4, 5, or 7, got "+b.length;return this};a.SkPath.prototype.close=function(){this._close();return this};a.SkPath.prototype.conicTo=function(a,b,c,
d,n){this._conicTo(a,b,c,d,n);return this};a.SkPath.prototype.cubicTo=function(a,b,c,d,n,q){this._cubicTo(a,b,c,d,n,q);return this};a.SkPath.prototype.dash=function(a,b,c){return this._dash(a,b,c)?this:null};a.SkPath.prototype.lineTo=function(a,b){this._lineTo(a,b);return this};a.SkPath.prototype.moveTo=function(a,b){this._moveTo(a,b);return this};a.SkPath.prototype.op=function(a,b){return this._op(a,b)?this:null};a.SkPath.prototype.quadTo=function(a,b,c,d){this._quadTo(a,b,c,d);return this};a.SkPath.prototype.simplify=
function(){return this._simplify()?this:null};a.SkPath.prototype.stroke=function(b){b=b||{};b.width=b.width||1;b.miter_limit=b.miter_limit||4;b.cap=b.cap||a.StrokeCap.Butt;b.join=b.join||a.StrokeJoin.Miter;b.precision=b.precision||1;return this._stroke(b)?this:null};a.SkPath.prototype.transform=function(){if(1===arguments.length){var a=arguments[0];this._transform(a[0],a[1],a[2],a[3],a[4],a[5],a[6]||0,a[7]||0,a[8]||1)}else if(6===arguments.length||9===arguments.length)a=arguments,this._transform(a[0],
a[1],a[2],a[3],a[4],a[5],a[6]||0,a[7]||0,a[8]||1);else throw"transform expected to take 1 or 9 arguments. Got "+arguments.length;return this};a.SkPath.prototype.trim=function(a,b,c){return this._trim(a,b,!!c)?this:null};a.SkVertices.prototype.applyBones=function(b){var c=a.HEAPF32;if(b&&b.length&&b[0].length){for(var e=a._malloc(b.length*b[0].length*b[0][0].length*c.BYTES_PER_ELEMENT),m=0,n=e/c.BYTES_PER_ELEMENT,q=0;q<b.length;q++)for(var t=0;t<b[0].length;t++)for(var w=0;w<b[0][0].length;w++)c[n+
m]=b[q][t][w],m++;c=e}else c=d;b=this._applyBones(c,b.length);a._free(c);return b};a.SkImage.prototype.encodeToData=function(){if(!arguments.length)return this._encodeToData();if(2===arguments.length){var a=arguments;return this._encodeToDataWithFormat(a[0],a[1])}throw"encodeToData expected to take 0 or 2 arguments. Got "+arguments.length;};a.SkCanvas.prototype.readPixels=function(b,c,d,m,n,q,t){n=n||a.AlphaType.Unpremul;q=q||a.ColorType.RGBA_8888;t=t||4*d;var e=m*t,h=a._malloc(e);if(!this._readPixels({width:d,
height:m,colorType:q,alphaType:n},h,t,b,c))return a._free(h),null;b=(new Uint8Array(a.HEAPU8.buffer,h,e)).slice();a._free(h);return b};a.SkCanvas.prototype.writePixels=function(b,c,d,m,n,q,t){if(b.byteLength%(c*d))throw"pixels length must be a multiple of the srcWidth * srcHeight";var e=b.byteLength/(c*d);q=q||a.AlphaType.Unpremul;t=t||a.ColorType.RGBA_8888;var h=e*c;e=a._malloc(b.byteLength);a.HEAPU8.set(b,e);b=this._writePixels({width:c,height:d,colorType:t,alphaType:q},e,h,m,n);a._free(e);return b};
a.SkFontMgr.prototype.MakeTypefaceFromData=function(b){b=new Uint8Array(b);var c=a._malloc(b.byteLength);a.HEAPU8.set(b,c);return(b=this._makeTypefaceFromData(c,b.byteLength))?b:null};a.ha&&a.ha.forEach(function(a){a()})};a.LTRBRect=function(a,b,c,d){return{fLeft:a,fTop:b,fRight:c,fBottom:d}};a.XYWHRect=function(a,b,c,d){return{fLeft:a,fTop:b,fRight:a+c,fBottom:b+d}};var d=0;a.MakeSkDashPathEffect=function(c,d){d||(d=0);if(!c.length||1===c.length%2)throw"Intervals array must have even length";var e=
b(c,a.HEAPF32);c=a._MakeSkDashPathEffect(e,c.length,d);a._free(e);return c};a.MakeImageFromEncoded=function(b){b=new Uint8Array(b);var c=a._malloc(b.byteLength);a.HEAPU8.set(b,c);b=a._decodeImage(c,b.byteLength);if(!b)return a._free(c),null;var d=b.delete.bind(b);b.delete=function(){a._free(c);d()};return b};a.MakeImageShader=function(b,c,d,m,n){if(!b)return null;m=m||!1;return n?(6===n.length&&n.push(0,0,1),a._MakeImageShader(b,c,d,m,n)):a._MakeImageShader(b,c,d,m)};a.Zb=function(b,c,d,m,n){var e=
b.byteLength/(c*d);d={width:c,height:d,alphaType:m,colorType:n};m=a._malloc(b.byteLength);a.HEAPU8.set(b,m);return a._MakeImage(d,m,b.byteLength,c*e)};a.MakeLinearGradientShader=function(c,d,l,m,n,q,t){var e=b(l,a.HEAP32);m=b(m,a.HEAPF32);t=t||0;q?(6===q.length&&q.push(0,0,1),c=a._MakeLinearGradientShader(c,d,e,m,l.length,n,t,q)):c=a._MakeLinearGradientShader(c,d,e,m,l.length,n,t);a._free(e);a._free(m);return c};a.MakeRadialGradientShader=function(c,d,l,m,n,q,t){var e=b(l,a.HEAP32);m=b(m,a.HEAPF32);
t=t||0;q?(6===q.length&&q.push(0,0,1),c=a._MakeRadialGradientShader(c,d,e,m,l.length,n,t,q)):c=a._MakeRadialGradientShader(c,d,e,m,l.length,n,t);a._free(e);a._free(m);return c};a.MakeTwoPointConicalGradientShader=function(c,d,l,m,n,q,t,w,G){var e=b(n,a.HEAP32);q=b(q,a.HEAPF32);G=G||0;w?(6===w.length&&w.push(0,0,1),c=a._MakeTwoPointConicalGradientShader(c,d,l,m,e,q,n.length,t,G,w)):c=a._MakeTwoPointConicalGradientShader(c,d,l,m,e,q,n.length,t,G);a._free(e);a._free(q);return c};a.MakeSkVertices=function(d,
h,l,m,n,q,t){var e=c(h,a.HEAPF32);l=c(l,a.HEAPF32);m=b(m,a.HEAP32);n=c(n,a.HEAP32);q=c(q,a.HEAPF32);var G=b(t,a.HEAPU16);d=a._MakeSkVertices(d,h.length,e,l,m,n,q,t&&t.length||0,G);e&&a._free(e);l&&a._free(l);m&&a._free(m);G&&a._free(G);n&&a._free(n);q&&a._free(q);return d}})(f);
(function(a){function b(a){for(var b=0;b<a.length;b++)if(void 0!==a[b]&&!Number.isFinite(a[b]))return!1;return!0}function c(b){var c=a.getColorComponents(b);b=c[0];var d=c[1],e=c[2];c=c[3];if(1===c)return b=b.toString(16).toLowerCase(),d=d.toString(16).toLowerCase(),e=e.toString(16).toLowerCase(),b=1===b.length?"0"+b:b,d=1===d.length?"0"+d:d,e=1===e.length?"0"+e:e,"#"+b+d+e;c=0===c||1===c?c:c.toFixed(8);return"rgba("+b+", "+d+", "+e+", "+c+")"}function d(a){var b=parseFloat(a)||1;return a&&-1!==a.indexOf("%")?
b/100:b}function e(b){b=b.toLowerCase();if(b.startsWith("#")){var c=255;switch(b.length){case 9:c=parseInt(b.slice(7,9),16);case 7:var e=parseInt(b.slice(1,3),16);var h=parseInt(b.slice(3,5),16);var l=parseInt(b.slice(5,7),16);break;case 5:c=17*parseInt(b.slice(4,5),16);case 4:e=17*parseInt(b.slice(1,2),16),h=17*parseInt(b.slice(2,3),16),l=17*parseInt(b.slice(3,4),16)}return a.Color(e,h,l,c/255)}return b.startsWith("rgba")?(b=b.slice(5,-1),b=b.split(","),a.Color(+b[0],+b[1],+b[2],d(b[3]))):b.startsWith("rgb")?
(b=b.slice(4,-1),b=b.split(","),a.Color(+b[0],+b[1],+b[2],d(b[3]))):b.startsWith("gray(")||b.startsWith("hsl")||(b=me[b],void 0===b)?a.BLACK:b}function h(a){a=ne.exec(a);if(!a)return null;var b=parseFloat(a[4]),c=16;switch(a[5]){case "em":case "rem":c=16*b;break;case "pt":c=4*b/3;break;case "px":c=b;break;case "pc":c=16*b;break;case "in":c=96*b;break;case "cm":c=96*b/2.54;break;case "mm":c=96/25.4*b;break;case "q":c=96/25.4/4*b;break;case "%":c=16/75*b}return{style:a[1],variant:a[2],weight:a[3],sizePx:c,
family:a[6].trim()}}function l(d){this.i=d;this.m=new a.SkPaint;this.m.setAntiAlias(!0);this.m.setStrokeMiter(10);this.m.setStrokeCap(a.StrokeCap.Butt);this.m.setStrokeJoin(a.StrokeJoin.Miter);this.m.setTextSize(10);this.m.setTypeface(null);this.Ua="10px monospace";this.Ta=new a.SkFont;this.M=this.T=a.BLACK;this.ra=0;this.Fa=a.TRANSPARENT;this.ta=this.sa=0;this.Ga=this.ba=1;this.Ea=0;this.qa=[];this.l=a.BlendMode.SrcOver;this.ia=a.FilterQuality.Low;this.Da=!0;this.m.setStrokeWidth(this.Ga);this.m.setBlendMode(this.l);
this.u=new a.SkPath;this.B=a.SkMatrix.identity();this.Ib=[];this.wa=[];this.ea=function(){this.u.delete();this.m.delete();this.Ta.delete();this.wa.forEach(function(a){a.ea()})};Object.defineProperty(this,"currentTransform",{enumerable:!0,get:function(){return{a:this.B[0],c:this.B[1],e:this.B[2],b:this.B[3],d:this.B[4],f:this.B[5]}},set:function(a){a.a&&this.setTransform(a.a,a.b,a.c,a.d,a.e,a.f)}});Object.defineProperty(this,"fillStyle",{enumerable:!0,get:function(){return Number.isInteger(this.M)?
c(this.M):this.M},set:function(a){"string"===typeof a?this.M=e(a):a.pa&&(this.M=a)}});Object.defineProperty(this,"font",{enumerable:!0,get:function(){return this.Ua},set:function(a){var b=h(a),c=b.family;b.typeface=Ea[c]?Ea[c][(b.style||"normal")+"|"+(b.variant||"normal")+"|"+(b.weight||"normal")]||Ea[c]["*"]:null;b&&(this.m.setTextSize(b.sizePx),this.m.setTypeface(b.typeface),this.Ta.setSize(b.sizePx),this.Ta.setTypeface(b.typeface),this.Ua=a)}});Object.defineProperty(this,"globalAlpha",{enumerable:!0,
get:function(){return this.ba},set:function(a){!isFinite(a)||0>a||1<a||(this.ba=a)}});Object.defineProperty(this,"globalCompositeOperation",{enumerable:!0,get:function(){switch(this.l){case a.BlendMode.SrcOver:return"source-over";case a.BlendMode.DstOver:return"destination-over";case a.BlendMode.Src:return"copy";case a.BlendMode.Dst:return"destination";case a.BlendMode.Clear:return"clear";case a.BlendMode.SrcIn:return"source-in";case a.BlendMode.DstIn:return"destination-in";case a.BlendMode.SrcOut:return"source-out";
case a.BlendMode.DstOut:return"destination-out";case a.BlendMode.SrcATop:return"source-atop";case a.BlendMode.DstATop:return"destination-atop";case a.BlendMode.Xor:return"xor";case a.BlendMode.Plus:return"lighter";case a.BlendMode.Multiply:return"multiply";case a.BlendMode.Screen:return"screen";case a.BlendMode.Overlay:return"overlay";case a.BlendMode.Darken:return"darken";case a.BlendMode.Lighten:return"lighten";case a.BlendMode.ColorDodge:return"color-dodge";case a.BlendMode.ColorBurn:return"color-burn";
case a.BlendMode.HardLight:return"hard-light";case a.BlendMode.SoftLight:return"soft-light";case a.BlendMode.Difference:return"difference";case a.BlendMode.Exclusion:return"exclusion";case a.BlendMode.Hue:return"hue";case a.BlendMode.Saturation:return"saturation";case a.BlendMode.Color:return"color";case a.BlendMode.Luminosity:return"luminosity"}},set:function(b){switch(b){case "source-over":this.l=a.BlendMode.SrcOver;break;case "destination-over":this.l=a.BlendMode.DstOver;break;case "copy":this.l=
a.BlendMode.Src;break;case "destination":this.l=a.BlendMode.Dst;break;case "clear":this.l=a.BlendMode.Clear;break;case "source-in":this.l=a.BlendMode.SrcIn;break;case "destination-in":this.l=a.BlendMode.DstIn;break;case "source-out":this.l=a.BlendMode.SrcOut;break;case "destination-out":this.l=a.BlendMode.DstOut;break;case "source-atop":this.l=a.BlendMode.SrcATop;break;case "destination-atop":this.l=a.BlendMode.DstATop;break;case "xor":this.l=a.BlendMode.Xor;break;case "lighter":this.l=a.BlendMode.Plus;
break;case "plus-lighter":this.l=a.BlendMode.Plus;break;case "plus-darker":throw"plus-darker is not supported";case "multiply":this.l=a.BlendMode.Multiply;break;case "screen":this.l=a.BlendMode.Screen;break;case "overlay":this.l=a.BlendMode.Overlay;break;case "darken":this.l=a.BlendMode.Darken;break;case "lighten":this.l=a.BlendMode.Lighten;break;case "color-dodge":this.l=a.BlendMode.ColorDodge;break;case "color-burn":this.l=a.BlendMode.ColorBurn;break;case "hard-light":this.l=a.BlendMode.HardLight;
break;case "soft-light":this.l=a.BlendMode.SoftLight;break;case "difference":this.l=a.BlendMode.Difference;break;case "exclusion":this.l=a.BlendMode.Exclusion;break;case "hue":this.l=a.BlendMode.Hue;break;case "saturation":this.l=a.BlendMode.Saturation;break;case "color":this.l=a.BlendMode.Color;break;case "luminosity":this.l=a.BlendMode.Luminosity;break;default:return}this.m.setBlendMode(this.l)}});Object.defineProperty(this,"imageSmoothingEnabled",{enumerable:!0,get:function(){return this.Da},set:function(a){this.Da=
!!a}});Object.defineProperty(this,"imageSmoothingQuality",{enumerable:!0,get:function(){switch(this.ia){case a.FilterQuality.Low:return"low";case a.FilterQuality.Medium:return"medium";case a.FilterQuality.High:return"high"}},set:function(b){switch(b){case "low":this.ia=a.FilterQuality.Low;break;case "medium":this.ia=a.FilterQuality.Medium;break;case "high":this.ia=a.FilterQuality.High}}});Object.defineProperty(this,"lineCap",{enumerable:!0,get:function(){switch(this.m.getStrokeCap()){case a.StrokeCap.Butt:return"butt";
case a.StrokeCap.Round:return"round";case a.StrokeCap.Square:return"square"}},set:function(b){switch(b){case "butt":this.m.setStrokeCap(a.StrokeCap.Butt);break;case "round":this.m.setStrokeCap(a.StrokeCap.Round);break;case "square":this.m.setStrokeCap(a.StrokeCap.Square)}}});Object.defineProperty(this,"lineDashOffset",{enumerable:!0,get:function(){return this.Ea},set:function(a){isFinite(a)&&(this.Ea=a)}});Object.defineProperty(this,"lineJoin",{enumerable:!0,get:function(){switch(this.m.getStrokeJoin()){case a.StrokeJoin.Miter:return"miter";
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