fabric/dist/src/shapes/Textbox.min.mjs

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

import{_defineProperty as e}from"../../_virtual/_@oxc-project_runtime@0.122.0/helpers/defineProperty.min.mjs";import{classRegistry as t}from"../ClassRegistry.min.mjs";import"./Text/constants.min.mjs";import{createTextboxDefaultControls as n}from"../controls/commonControls.min.mjs";import{IText as r}from"./IText/IText.min.mjs";var i=class e extends r{static getDefaults(){return{...super.getDefaults(),...e.ownDefaults}}constructor(t,n){super(t,{...e.ownDefaults,...n})}static createControls(){return{controls:n()}}initDimensions(){this.initialized&&(this.isEditing&&this.initDelayedCursor(),this._clearCache(),this.dynamicMinWidth=0,this._styleMap=this._generateStyleMap(this._splitText()),this.dynamicMinWidth>this.width&&this._set(`width`,this.dynamicMinWidth),this.textAlign.includes(`justify`)&&this.enlargeSpaces(),this.height=this.calcTextHeight())}_generateStyleMap(e){let t=0,n=0,r=0,i={};for(let a=0;a<e.graphemeLines.length;a++)e.graphemeText[r]===`
`&&a>0?(n=0,r++,t++):!this.splitByGrapheme&&this._reSpaceAndTab.test(e.graphemeText[r])&&a>0&&(n++,r++),i[a]={line:t,offset:n},r+=e.graphemeLines[a].length,n+=e.graphemeLines[a].length;return i}styleHas(e,t){if(this._styleMap&&!this.isWrapping){let e=this._styleMap[t];e&&(t=e.line)}return super.styleHas(e,t)}isEmptyStyles(e){if(!this.styles)return!0;let t,n=0,r=e+1,i=!1,a=this._styleMap[e],o=this._styleMap[e+1];a&&(e=a.line,n=a.offset),o&&(r=o.line,i=r===e,t=o.offset);let s=e===void 0?this.styles:{line:this.styles[e]};for(let e in s)for(let r in s[e]){let a=parseInt(r,10);if(a>=n&&(!i||a<t))for(let t in s[e][r])return!1}return!0}_getStyleDeclaration(e,t){if(this._styleMap&&!this.isWrapping){let n=this._styleMap[e];if(!n)return{};e=n.line,t=n.offset+t}return super._getStyleDeclaration(e,t)}_setStyleDeclaration(e,t,n){let r=this._styleMap[e];super._setStyleDeclaration(r.line,r.offset+t,n)}_deleteStyleDeclaration(e,t){let n=this._styleMap[e];super._deleteStyleDeclaration(n.line,n.offset+t)}_getLineStyle(e){let t=this._styleMap[e];return!!this.styles[t.line]}_setLineStyle(e){let t=this._styleMap[e];super._setLineStyle(t.line)}_wrapText(e,t){this.isWrapping=!0;let n=this.getGraphemeDataForRender(e),r=[];for(let e=0;e<n.wordsData.length;e++)r.push(...this._wrapLine(e,t,n));return this.isWrapping=!1,r}getGraphemeDataForRender(e){let t=this.splitByGrapheme,n=t?``:` `,r=0;return{wordsData:e.map((e,i)=>{let a=0,o=t?this.graphemeSplit(e):this.wordSplit(e);return o.length===0?[{word:[],width:0}]:o.map(e=>{let o=t?[e]:this.graphemeSplit(e),s=this._measureWord(o,i,a);return r=Math.max(s,r),a+=o.length+n.length,{word:o,width:s}})}),largestWordWidth:r}}_measureWord(e,t,n=0){let r,i=0;for(let a=0,o=e.length;a<o;a++)i+=this._getGraphemeBox(e[a],t,a+n,r,!0).kernedWidth,r=e[a];return i}wordSplit(e){return e.split(this._wordJoiners)}_wrapLine(e,t,{largestWordWidth:n,wordsData:r},i=0){let a=this._getWidthOfCharSpacing(),o=this.splitByGrapheme,s=[],c=o?``:` `,l=0,u=[],d=0,f=0,p=!0;t-=i;let m=Math.max(t,n,this.dynamicMinWidth),h=r[e],g;for(d=0,g=0;g<h.length;g++){let{word:t,width:n}=h[g];d+=t.length,l+=f+n-a,l>m&&!p?(s.push(u),u=[],l=n,p=!0):l+=a,p||o||u.push(c),u=u.concat(t),f=o?0:this._measureWord([c],e,d),d++,p=!1}return g&&s.push(u),n+i>this.dynamicMinWidth&&(this.dynamicMinWidth=n-a+i),s}isEndOfWrapping(e){return!this._styleMap[e+1]||this._styleMap[e+1].line!==this._styleMap[e].line}missingNewlineOffset(e,t){return this.splitByGrapheme&&!t?this.isEndOfWrapping(e)?1:0:1}_splitTextIntoLines(e){let t=super._splitTextIntoLines(e),n=this._wrapText(t.lines,this.width),r=Array(n.length);for(let e=0;e<n.length;e++)r[e]=n[e].join(``);return t.lines=r,t.graphemeLines=n,t}getMinWidth(){return Math.max(this.minWidth,this.dynamicMinWidth)}_removeExtraneousStyles(){let e=new Map;for(let t in this._styleMap){let n=parseInt(t,10);if(this._textLines[n]){let n=this._styleMap[t].line;e.set(`${n}`,!0)}}for(let t in this.styles)e.has(t)||delete this.styles[t]}toObject(e=[]){return super.toObject([`minWidth`,`splitByGrapheme`,...e])}};e(i,`type`,`Textbox`),e(i,`textLayoutProperties`,[...r.textLayoutProperties,`width`]),e(i,`ownDefaults`,{minWidth:20,dynamicMinWidth:2,lockScalingFlip:!0,noScaleCache:!1,_wordJoiners:/[ \t\r]/,splitByGrapheme:!1}),t.setClass(i);export{i as Textbox};
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