@visactor/vtable-gantt
Version:
canvas table width high performance
1 lines • 1.87 MB
JavaScript
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Ne(t,e={},i){i||(i=1);const{fontStyle:n=e.fontStyle,fontVariant:o=e.fontVariant,fontWeight:r=e.fontWeight,fontSize:s=e.fontSize,fontFamily:a=e.fontFamily}=t;return(n?n+" ":"")+(o?o+" ":"")+(r?r+" ":"")+s*i+"px "+(a||"sans-serif")}let Ge=class t{constructor(t,e){this._numberCharSize=null,this._fullCharSize=null,this._letterCharSize=null,this._specialCharSizeMap={},this._canvas=null,this._context=null,this._contextSaved=!1,this._notSupportCanvas=!1,this._notSupportVRender=!1,this._userSpec={},this.specialCharSet="-/: .,@%'\"~",this._option=t,this._userSpec=null!=e?e:{},this.textSpec=this._initSpec(),ut(t.specialCharSet)&&(this.specialCharSet=t.specialCharSet),this._standardMethod=ut(t.getTextBounds)?this.fullMeasure.bind(this):this.measureWithNaiveCanvas.bind(this)}initContext(){if(this._notSupportCanvas)return!1;if(ct(this._canvas)&&(ut(this._option.getCanvasForMeasure)&&(this._canvas=this._option.getCanvasForMeasure()),ct(this._canvas)&&"undefined"!=typeof window&&void 0!==window.document&&globalThis&&ut(globalThis.document)&&(this._canvas=globalThis.document.createElement("canvas"))),ct(this._context)&&ut(this._canvas)){const t=this._canvas.getContext("2d");ut(t)&&(t.save(),t.font=Ne(this.textSpec),this._contextSaved=!0,this._context=t)}return!ct(this._context)||(this._notSupportCanvas=!0,!1)}_initSpec(){var t,e,i;const{defaultFontParams:n={}}=this._option,{fontStyle:o=n.fontStyle,fontVariant:r=n.fontVariant,fontWeight:s=(null!==(t=n.fontWeight)&&void 0!==t?t:"normal"),fontSize:a=(null!==(e=n.fontSize)&&void 0!==e?e:12),fontFamily:l=(null!==(i=n.fontFamily)&&void 0!==i?i:"sans-serif"),align:h,textAlign:d=(null!=h?h:"center"),baseline:c,textBaseline:u=(null!=c?c:"middle"),ellipsis:g,limit:p}=this._userSpec;let{lineHeight:f=a}=this._userSpec;if(mt(f)&&"%"===f[f.length-1]){const t=Number.parseFloat(f.substring(0,f.length-1))/100;f=a*t}return{fontStyle:o,fontVariant:r,fontFamily:l,fontSize:a,fontWeight:s,textAlign:d,textBaseline:u,ellipsis:g,limit:p,lineHeight:f}}measure(t,e){switch(e){case"vrender":case"canopus":return this.fullMeasure(t);case"canvas":return this.measureWithNaiveCanvas(t);case"simple":return this.quickMeasureWithoutCanvas(t);default:return this.quickMeasure(t)}}fullMeasure(t){if(ct(t))return{width:0,height:0};if(ct(this._option.getTextBounds)||!this._notSupportVRender)return this.measureWithNaiveCanvas(t);const{fontFamily:e,fontSize:i,fontWeight:n,textAlign:o,textBaseline:r,ellipsis:s,limit:a,lineHeight:l}=this.textSpec;let h;try{const d=this._option.getTextBounds({text:t,fontFamily:e,fontSize:i,fontWeight:n,textAlign:o,textBaseline:r,ellipsis:!!s,maxLineWidth:a||1/0,lineHeight:l});h={width:d.width(),height:d.height()}}catch(e){this._notSupportVRender=!0,h=this.measureWithNaiveCanvas(t)}return h}measureWithNaiveCanvas(t){return this._measureReduce(t,this._measureWithNaiveCanvas.bind(this))}_measureWithNaiveCanvas(t){var e;if(!this.initContext())return this._quickMeasureWithoutCanvas(t);const i=this._context.measureText(t),{fontSize:n,lineHeight:o}=this.textSpec;return{width:i.width,height:null!==(e=o)&&void 0!==e?e:n,fontBoundingBoxAscent:i.fontBoundingBoxAscent,fontBoundingBoxDescent:i.fontBoundingBoxDescent}}quickMeasure(t){return this._measureReduce(t,this._quickMeasure.bind(this))}_quickMeasure(e){const i={width:0,height:0};for(let n=0;n<e.length;n++){const o=e[n];let r=this._measureSpecialChar(o);ct(r)&&t.NUMBERS_CHAR_SET.includes(o)&&(r=this._measureNumberChar()),ct(r)&&["F","W"].includes(We(o))&&(r=this._measureFullSizeChar()),ct(r)&&(r=this._measureLetterChar()),i.width+=r.width,i.height=Math.max(i.height,r.height),!ct(r.fontBoundingBoxAscent)&&(i.fontBoundingBoxAscent=r.fontBoundingBoxAscent),!ct(r.fontBoundingBoxDescent)&&(i.fontBoundingBoxDescent=r.fontBoundingBoxDescent)}return i}quickMeasureWithoutCanvas(t){return this._measureReduce(t,this._quickMeasureWithoutCanvas.bind(this))}_quickMeasureWithoutCanvas(t){var e;const i={width:0,height:0},{fontSize:n,lineHeight:o}=this.textSpec;for(let e=0;e<t.length;e++){const o=t[e],r=["F","W"].includes(We(o))?1:.53;i.width+=r*n}return i.height=null!==(e=o)&&void 0!==e?e:n,i}_measureReduce(t,e){var i;const{fontSize:n,lineHeight:o}=this.textSpec,r={width:0,height:0};if(ct(t))return r;if(vt(t)){const s=t.filter(ut).map((t=>t.toString()));return 0===s.length?r:1===s.length?e(s[0]):{width:s.reduce(((t,i)=>Math.max(t,e(i).width)),0),height:s.length*((null!==(i=o)&&void 0!==i?i:n)+1)+1}}return e(t.toString())}_measureNumberChar(){if(ct(this._numberCharSize)){const e=this._standardMethod(t.NUMBERS_CHAR_SET);this._numberCharSize={width:e.width/t.NUMBERS_CHAR_SET.length,height:e.height,fontBoundingBoxAscent:e.fontBoundingBoxAscent,fontBoundingBoxDescent:e.fontBoundingBoxDescent}}return this._numberCharSize}_measureFullSizeChar(){return ct(this._fullCharSize)&&(this._fullCharSize=this._standardMethod(t.FULL_SIZE_CHAR)),this._fullCharSize}_measureLetterChar(){if(ct(this._letterCharSize)){const e=this._standardMethod(t.ALPHABET_CHAR_SET);this._letterCharSize={width:e.width/t.ALPHABET_CHAR_SET.length,height:e.height,fontBoundingBoxAscent:e.fontBoundingBoxAscent,fontBoundingBoxDescent:e.fontBoundingBoxDescent}}return this._letterCharSize}_measureSpecialChar(t){return ut(this._specialCharSizeMap[t])?this._specialCharSizeMap[t]:this.specialCharSet.includes(t)?(this._specialCharSizeMap[t]=this._standardMethod(t),this._specialCharSizeMap[t]):null}release(){ut(this._canvas)&&(this._canvas=null),ut(this._context)&&(this._contextSaved&&(this._context.restore(),this._contextSaved=!1),this._context=null)}};Ge.ALPHABET_CHAR_SET="abcdefghijklmnopqrstuvwxyz",Ge.NUMBERS_CHAR_SET="0123456789",Ge.FULL_SIZE_CHAR="字";const 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this.empty()?0:this.x2-this.x1}height(){return this.empty()?0:this.y2-this.y1}scaleX(t=0){return this.x1*=t,this.x2*=t,this}scaleY(t=0){return this.y1*=t,this.y2*=t,this}transformWithMatrix(t){return Ue(this,this,t),this}copy(t){return this.x1=t.x1,this.y1=t.y1,this.x2=t.x2,this.y2=t.y2,this}rotatedPoints(t,e,i){const{x1:n,y1:o,x2:r,y2:s}=this,a=Math.cos(t),l=Math.sin(t),h=e-e*a+i*l,d=i-e*l-i*a;return[a*n-l*o+h,l*n+a*o+d,a*n-l*s+h,l*n+a*s+d,a*r-l*o+h,l*r+a*o+d,a*r-l*s+h,l*r+a*s+d]}scalePoints(t,e,i,n){const{x1:o,y1:r,x2:s,y2:a}=this;return[t*o+(1-t)*i,e*r+(1-e)*n,t*s+(1-t)*i,e*a+(1-e)*n]}},$e=class extends Xe{};class Ye extends Xe{constructor(t,e=0){var i;super(t),t&&(this.angle=null!==(i=t.angle)&&void 0!==i?i:e)}intersects(t){return ze(this,t)}setValue(t=0,e=0,i=0,n=0,o=0){return super.setValue(t,e,i,n),this.angle=o,this}clone(){return new Ye(this)}getRotatedCorners(){const t={x:(this.x1+this.x2)/2,y:(this.y1+this.y2)/2};return[Oe({x:this.x1,y:this.y1},this.angle,t),Oe({x:this.x2,y:this.y1},this.angle,t),Oe({x:this.x1,y:this.y2},this.angle,t),Oe({x:this.x2,y:this.y2},this.angle,t)]}}class Ke{constructor(t=1,e=0,i=0,n=1,o=0,r=0){this.a=t,this.b=e,this.c=i,this.d=n,this.e=o,this.f=r}equalToMatrix(t){return!(this.e!==t.e||this.f!==t.f||this.a!==t.a||this.d!==t.d||this.b!==t.b||this.c!==t.c)}equalTo(t,e,i,n,o,r){return!(this.e!==o||this.f!==r||this.a!==t||this.d!==n||this.b!==e||this.c!==i)}setValue(t,e,i,n,o,r){return this.a=t,this.b=e,this.c=i,this.d=n,this.e=o,this.f=r,this}reset(){return this.a=1,this.b=0,this.c=0,this.d=1,this.e=0,this.f=0,this}getInverse(){const t=this.a,e=this.b,i=this.c,n=this.d,o=this.e,r=this.f,s=new Ke,a=t*n-e*i;return s.a=n/a,s.b=-e/a,s.c=-i/a,s.d=t/a,s.e=(i*r-n*o)/a,s.f=-(t*r-e*o)/a,s}rotate(t){const e=Math.cos(t),i=Math.sin(t),n=this.a*e+this.c*i,o=this.b*e+this.d*i,r=this.a*-i+this.c*e,s=this.b*-i+this.d*e;return this.a=n,this.b=o,this.c=r,this.d=s,this}rotateByCenter(t,e,i){const n=Math.cos(t),o=Math.sin(t),r=(1-n)*e+o*i,s=(1-n)*i-o*e,a=n*this.a-o*this.b,l=o*this.a+n*this.b,h=n*this.c-o*this.d,d=o*this.c+n*this.d,c=n*this.e-o*this.f+r,u=o*this.e+n*this.f+s;return this.a=a,this.b=l,this.c=h,this.d=d,this.e=c,this.f=u,this}scale(t,e){return this.a*=t,this.b*=t,this.c*=e,this.d*=e,this}setScale(t,e){return this.b=this.b/this.a*t,this.c=this.c/this.d*e,this.a=t,this.d=e,this}transform(t,e,i,n,o,r){return this.multiply(t,e,i,n,o,r),this}translate(t,e){return this.e+=this.a*t+this.c*e,this.f+=this.b*t+this.d*e,this}transpose(){const{a:t,b:e,c:i,d:n,e:o,f:r}=this;return this.a=e,this.b=t,this.c=n,this.d=i,this.e=r,this.f=o,this}multiply(t,e,i,n,o,r){const s=this.a,a=this.b,l=this.c,h=this.d,d=s*t+l*e,c=a*t+h*e,u=s*i+l*n,g=a*i+h*n,p=s*o+l*r+this.e,f=a*o+h*r+this.f;return this.a=d,this.b=c,this.c=u,this.d=g,this.e=p,this.f=f,this}interpolate(t,e){const i=new Ke;return i.a=this.a+(t.a-this.a)*e,i.b=this.b+(t.b-this.b)*e,i.c=this.c+(t.c-this.c)*e,i.d=this.d+(t.d-this.d)*e,i.e=this.e+(t.e-this.e)*e,i.f=this.f+(t.f-this.f)*e,i}transformPoint(t,e){const{a:i,b:n,c:o,d:r,e:s,f:a}=this,l=i*r-n*o,h=r/l,d=-n/l,c=-o/l,u=i/l,g=(o*a-r*s)/l,p=-(i*a-n*s)/l,{x:f,y:b}=t;e.x=f*h+b*c+g,e.y=f*d+b*u+p}onlyTranslate(t=1){return this.a===t&&0===this.b&&0===this.c&&this.d===t}clone(){return new Ke(this.a,this.b,this.c,this.d,this.e,this.f)}toTransformAttrs(){const t=this.a,e=this.b,i=this.c,n=this.d,o=t*n-e*i,r={x:this.e,y:this.f,rotateDeg:0,scaleX:0,scaleY:0,skewX:0,skewY:0};if(0!==t||0!==e){const s=Math.sqrt(t*t+e*e);r.rotateDeg=e>0?Math.acos(t/s):-Math.acos(t/s),r.scaleX=s,r.scaleY=o/s,r.skewX=(t*i+e*n)/o,r.skewY=0}else if(0!==i||0!==n){const s=Math.sqrt(i*i+n*n);r.rotateDeg=Math.PI/2-(n>0?Math.acos(-i/s):-Math.acos(i/s)),r.scaleX=o/s,r.scaleY=s,r.skewX=0,r.skewY=(t*i+e*n)/o}return r.rotateDeg=180*r.rotateDeg/Math.PI,r}}class qe{constructor(){this.CLEAN_THRESHOLD=1e3,this.L_TIME=1e3,this.R_COUNT=1,this.R_TIMESTAMP_MAX_SIZE=20}clearCache(t,e){const{CLEAN_THRESHOLD:i=this.CLEAN_THRESHOLD,L_TIME:n=this.L_TIME,R_COUNT:o=this.R_COUNT}=e;if(t.size<i)return 0;let r=0;const s=e=>{r++,t.delete(e)},a=Date.now();return t.forEach(((t,e)=>{if(t.timestamp.length<o)return s(e);let i=0;for(;a-t.timestamp[t.timestamp.length-1-i]<n&&(i++,!(i>=o)););if(i<o)return s(e);for(;a-t.timestamp[0]>n;)t.timestamp.shift()})),r}addLimitedTimestamp(t,e,i){const{R_TIMESTAMP_MAX_SIZE:n=this.R_TIMESTAMP_MAX_SIZE}=i;t.timestamp.length>n&&t.timestamp.shift(),t.timestamp.push(e)}clearTimeStamp(t,e){const{L_TIME:i=this.L_TIME}=e,n=Date.now();t.forEach((t=>{for(;n-t.timestamp[0]>i;)t.timestamp.shift()}))}clearItemTimestamp(t,e){const{L_TIME:i=this.L_TIME}=e,n=Date.now();for(;n-t.timestamp[0]>i;)t.timestamp.shift()}}function Ze(t,e,i){e/=100,i/=100;const n=(1-Math.abs(2*i-1))*e,o=n*(1-Math.abs(t/60%2-1)),r=i-n/2;let s=0,a=0,l=0;return 0<=t&&t<60?(s=n,a=o,l=0):60<=t&&t<120?(s=o,a=n,l=0):120<=t&&t<180?(s=0,a=n,l=o):180<=t&&t<240?(s=0,a=o,l=n):240<=t&&t<300?(s=o,a=0,l=n):300<=t&&t<360&&(s=n,a=0,l=o),s=Math.round(255*(s+r)),a=Math.round(255*(a+r)),l=Math.round(255*(l+r)),{r:s,g:a,b:l}}function Je(t,e,i){t/=255,e/=255,i/=255;const n=Math.min(t,e,i),o=Math.max(t,e,i),r=o-n;let s=0,a=0,l=0;return s=0===r?0:o===t?(e-i)/r%6:o===e?(i-t)/r+2:(t-e)/r+4,s=Math.round(60*s),s<0&&(s+=360),l=(o+n)/2,a=0===r?0:r/(1-Math.abs(2*l-1)),a=+(10