/**
 * Copyright (c) 2014-2024 The xterm.js authors. All rights reserved.
 * @license MIT
 *
 * Copyright (c) 2012-2013, Christopher Jeffrey (MIT License)
 * @license MIT
 *
 * Originally forked from (with the author's permission):
 *   Fabrice Bellard's javascript vt100 for jslinux:
 *   http://bellard.org/jslinux/
 *   Copyright (c) 2011 Fabrice Bellard
 */
/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
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Path2D;qi.rect(N,P,this._config.deviceCellWidth,Re-P),this._tmpCtx.clip(qi),this._tmpCtx.moveTo(N-this._config.deviceCellWidth/2,de),this._tmpCtx.bezierCurveTo(N-this._config.deviceCellWidth/2,mt,N,mt,N,de),this._tmpCtx.bezierCurveTo(N,ft,di,ft,di,de),this._tmpCtx.bezierCurveTo(di,mt,ne,mt,ne,de),this._tmpCtx.bezierCurveTo(ne,ft,ne+this._config.deviceCellWidth/2,ft,ne+this._config.deviceCellWidth/2,de);break;case 4:let _t=oe===0?0:oe>=x?x*2-oe:x-oe;!(oe>=x)===!1||_t===0?(this._tmpCtx.setLineDash([Math.round(x),Math.round(x)]),this._tmpCtx.moveTo(N+_t,P),this._tmpCtx.lineTo(ne,P)):(this._tmpCtx.setLineDash([Math.round(x),Math.round(x)]),this._tmpCtx.moveTo(N,P),this._tmpCtx.lineTo(N+_t,P),this._tmpCtx.moveTo(N+_t+x,P),this._tmpCtx.lineTo(ne,P)),oe=bn(ne-N,x,oe);break;case 5:let Er=.6,yr=.3,hi=ne-N,ji=Math.floor(Er*hi),Xi=Math.floor(yr*hi),Ir=hi-ji-Xi;this._tmpCtx.setLineDash([ji,Xi,Ir]),this._tmpCtx.moveTo(N,P),this._tmpCtx.lineTo(ne,P);break;case 1:default:this._tmpCtx.moveTo(N,P),this._tmpCtx.lineTo(ne,P);break}this._tmpCtx.stroke(),this._tmpCtx.restore()}if(this._tmpCtx.restore(),!se&&this._config.fontSize>=12&&!this._config.allowTransparency&&a!==" "){this._tmpCtx.save(),this._tmpCtx.textBaseline="alphabetic";let ie=this._tmpCtx.measureText(a);if(this._tmpCtx.restore(),"actualBoundingBoxDescent"in ie&&ie.actualBoundingBoxDescent>0){this._tmpCtx.save();let N=new Path2D;N.rect($,P-Math.ceil(x/2),this._config.deviceCellWidth*p,Re-P+Math.ceil(x/2)),this._tmpCtx.clip(N),this._tmpCtx.lineWidth=this._config.devicePixelRatio*3,this._tmpCtx.strokeStyle=w.css,this._tmpCtx.strokeText(a,A,A+this._config.deviceCharHeight),this._tmpCtx.restore()}}}if(q){let x=Math.max(1,Math.floor(this._config.fontSize*this._config.devicePixelRatio/15)),R=x%2===1?.5:0;this._tmpCtx.lineWidth=x,this._tmpCtx.strokeStyle=this._tmpCtx.fillStyle,this._tmpCtx.beginPath(),this._tmpCtx.moveTo(A,A+R),this._tmpCtx.lineTo(A+this._config.deviceCharWidth*p,A+R),this._tmpCtx.stroke()}if(se||this._tmpCtx.fillText(a,A,A+this._config.deviceCharHeight),a==="_"&&!this._config.allowTransparency){let x=Di(this._tmpCtx.getImageData(A,A,this._config.deviceCellWidth,this._config.deviceCellHeight),w,we,T);if(x)for(let R=1;R<=5&&(this._tmpCtx.save(),this._tmpCtx.fillStyle=w.css,this._tmpCtx.fillRect(0,0,this._tmpCanvas.width,this._tmpCanvas.height),this._tmpCtx.restore(),this._tmpCtx.fillText(a,A,A+this._config.deviceCharHeight-R),x=Di(this._tmpCtx.getImageData(A,A,this._config.deviceCellWidth,this._config.deviceCellHeight),w,we,T),!!x);R++);}if(M){let x=Math.max(1,Math.floor(this._config.fontSize*this._config.devicePixelRatio/10)),R=this._tmpCtx.lineWidth%2===1?.5:0;this._tmpCtx.lineWidth=x,this._tmpCtx.strokeStyle=this._tmpCtx.fillStyle,this._tmpCtx.beginPath(),this._tmpCtx.moveTo(A,A+Math.floor(this._config.deviceCharHeight/2)-R),this._tmpCtx.lineTo(A+this._config.deviceCharWidth*p,A+Math.floor(this._config.deviceCharHeight/2)-R),this._tmpCtx.stroke()}this._tmpCtx.restore();let g=this._tmpCtx.getImageData(0,0,this._tmpCanvas.width,this._tmpCanvas.height),b;if(this._config.allowTransparency?b=Jr(g):b=Di(g,w,we,T),b)return An;let m=this._findGlyphBoundingBox(g,this._workBoundingBox,l,ce,se,A),_,v;for(;;){if(this._activePages.length===0){let x=this._createNewPage();_=x,v=x.currentRow,v.height=m.size.y;break}_=this._activePages[this._activePages.length-1],v=_.currentRow;for(let x of this._activePages)m.size.y<=x.currentRow.height&&(_=x,v=x.currentRow);for(let x=this._activePages.length-1;x>=0;x--)for(let R of this._activePages[x].fixedRows)R.height<=v.height&&m.size.y<=R.height&&(_=this._activePages[x],v=R);if(m.size.x>this._textureSize){this._overflowSizePage||(this._overflowSizePage=new ot(this._document,this._config.deviceMaxTextureSize),this.pages.push(this._overflowSizePage),this._requestClearModel=!0,this._onAddTextureAtlasCanvas.fire(this._overflowSizePage.canvas)),_=this._overflowSizePage,v=this._overflowSizePage.currentRow,v.x+m.size.x>=_.canvas.width&&(v.x=0,v.y+=v.height,v.height=0);break}if(v.y+m.size.y>=_.canvas.height||v.height>m.size.y+2){let x=!1;if(_.currentRow.y+_.currentRow.height+m.size.y>=_.canvas.height){let R;for(let $ of this._activePages)if($.currentRow.y+$.currentRow.height+m.size.y<$.canvas.height){R=$;break}if(R)_=R;else if(i.maxAtlasPages&&this._pages.length>=i.maxAtlasPages&&v.y+m.size.y<=_.canvas.height&&v.height>=m.size.y&&v.x+m.size.x<=_.canvas.width)x=!0;else{let $=this._createNewPage();_=$,v=$.currentRow,v.height=m.size.y,x=!0}}x||(_.currentRow.height>0&&_.fixedRows.push(_.currentRow),v={x:0,y:_.currentRow.y+_.currentRow.height,height:m.size.y},_.fixedRows.push(v),_.currentRow={x:0,y:v.y+v.height,height:0})}if(v.x+m.size.x<=_.canvas.width)break;v===_.currentRow?(v.x=0,v.y+=v.height,v.height=0):_.fixedRows.splice(_.fixedRows.indexOf(v),1)}return m.texturePage=this._pages.indexOf(_),m.texturePosition.x=v.x,m.texturePosition.y=v.y,m.texturePositionClipSpace.x=v.x/_.canvas.width,m.texturePositionClipSpace.y=v.y/_.canvas.height,m.sizeClipSpace.x/=_.canvas.width,m.sizeClipSpace.y/=_.canvas.height,v.height=Math.max(v.height,m.size.y),v.x+=m.size.x,_.ctx.putImageData(g,m.texturePosition.x-this._workBoundingBox.left,m.texturePosition.y-this._workBoundingBox.top,this._workBoundingBox.left,this._workBoundingBox.top,m.size.x,m.size.y),_.addGlyph(m),_.version++,m}_findGlyphBoundingBox(e,t,n,s,o,r){t.top=0;let a=s?this._config.deviceCellHeight:this._tmpCanvas.height,l=s?this._config.deviceCellWidth:n,u=!1;for(let c=0;c<a;c++){for(let d=0;d<l;d++){let h=c*this._tmpCanvas.width*4+d*4+3;if(e.data[h]!==0){t.top=c,u=!0;break}}if(u)break}t.left=0,u=!1;for(let c=0;c<r+l;c++){for(let d=0;d<a;d++){let h=d*this._tmpCanvas.width*4+c*4+3;if(e.data[h]!==0){t.left=c,u=!0;break}}if(u)break}t.right=l,u=!1;for(let c=r+l-1;c>=r;c--){for(let d=0;d<a;d++){let h=d*this._tmpCanvas.width*4+c*4+3;if(e.data[h]!==0){t.right=c,u=!0;break}}if(u)break}t.bottom=a,u=!1;for(let c=a-1;c>=0;c--){for(let d=0;d<l;d++){let h=c*this._tmpCanvas.width*4+d*4+3;if(e.data[h]!==0){t.bottom=c,u=!0;break}}if(u)break}return{texturePage:0,texturePosition:{x:0,y:0},texturePositionClipSpace:{x:0,y:0},size:{x:t.right-t.left+1,y:t.bottom-t.top+1},sizeClipSpace:{x:t.right-t.left+1,y:t.bottom-t.top+1},offset:{x:-t.left+r+(s||o?Math.floor((this._config.deviceCellWidth-this._config.deviceCharWidth)/2):0),y:-t.top+r+(s||o?this._config.lineHeight===1?0:Math.round((this._config.deviceCellHeight-this._config.deviceCharHeight)/2):0)}}}},ot=class{constructor(e,t,n){this._usedPixels=0;this._glyphs=[];this.version=0;this.currentRow={x:0,y:0,height:0};this.fixedRows=[];if(n)for(let s of n)this._glyphs.push(...s.glyphs),this._usedPixels+=s._usedPixels;this.canvas=Sn(e,t,t),this.ctx=F(this.canvas.getContext("2d",{alpha:!0}))}get percentageUsed(){return this._usedPixels/(this.canvas.width*this.canvas.height)}get glyphs(){return this._glyphs}addGlyph(e){this._glyphs.push(e),this._usedPixels+=e.size.x*e.size.y}clear(){this.ctx.clearRect(0,0,this.canvas.width,this.canvas.height),this.currentRow.x=0,this.currentRow.y=0,this.currentRow.height=0,this.fixedRows.length=0,this.version++}};function Di(i,e,t,n){let s=e.rgba>>>24,o=e.rgba>>>16&255,r=e.rgba>>>8&255,a=t.rgba>>>24,l=t.rgba>>>16&255,u=t.rgba>>>8&255,c=Math.floor((Math.abs(s-a)+Math.abs(o-l)+Math.abs(r-u))/12),d=!0;for(let h=0;h<i.data.length;h+=4)i.data[h]===s&&i.data[h+1]===o&&i.data[h+2]===r||n&&Math.abs(i.data[h]-s)+Math.abs(i.data[h+1]-o)+Math.abs(i.data[h+2]-r)<c?i.data[h+3]=0:d=!1;return d}function Jr(i){for(let e=0;e<i.data.length;e+=4)if(i.data[e+3]>0)return!1;return!0}function Sn(i,e,t){let n=i.createElement("canvas");return n.width=e,n.height=t,n}function On(i,e,t,n,s,o,r,a){let l={foreground:o.foreground,background:o.background,cursor:Z,cursorAccent:Z,selectionForeground:Z,selectionBackgroundTransparent:Z,selectionBackgroundOpaque:Z,selectionInactiveBackgroundTransparent:Z,selectionInactiveBackgroundOpaque:Z,overviewRulerBorder:Z,scrollbarSliderBackground:Z,scrollbarSliderHoverBackground:Z,scrollbarSliderActiveBackground:Z,ansi:o.ansi.slice(),contrastCache:o.contrastCache,halfContrastCache:o.halfContrastCache};return{customGlyphs:s.customGlyphs,devicePixelRatio:r,deviceMaxTextureSize:a,letterSpacing:s.letterSpacing,lineHeight:s.lineHeight,deviceCellWidth:i,deviceCellHeight:e,deviceCharWidth:t,deviceCharHeight:n,fontFamily:s.fontFamily,fontSize:s.fontSize,fontWeight:s.fontWeight,fontWeightBold:s.fontWeightBold,allowTransparency:s.allowTransparency,drawBoldTextInBrightColors:s.drawBoldTextInBrightColors,minimumContrastRatio:s.minimumContrastRatio,colors:l}}function Mi(i,e){for(let t=0;t<i.colors.ansi.length;t++)if(i.colors.ansi[t].rgba!==e.colors.ansi[t].rgba)return!1;return i.devicePixelRatio===e.devicePixelRatio&&i.customGlyphs===e.customGlyphs&&i.lineHeight===e.lineHeight&&i.letterSpacing===e.letterSpacing&&i.fontFamily===e.fontFamily&&i.fontSize===e.fontSize&&i.fontWeight===e.fontWeight&&i.fontWeightBold===e.fontWeightBold&&i.allowTransparency===e.allowTransparency&&i.deviceCharWidth===e.deviceCharWidth&&i.deviceCharHeight===e.deviceCharHeight&&i.drawBoldTextInBrightColors===e.drawBoldTextInBrightColors&&i.minimumContrastRatio===e.minimumContrastRatio&&i.colors.foreground.rgba===e.colors.foreground.rgba&&i.colors.background.rgba===e.colors.background.rgba}function Fn(i){return(i&50331648)===16777216||(i&50331648)===33554432}var le=[];function Nt(i,e,t,n,s,o,r,a,l){let u=On(n,s,o,r,e,t,a,l);for(let h=0;h<le.length;h++){let f=le[h],I=f.ownedBy.indexOf(i);if(I>=0){if(Mi(f.config,u))return f.atlas;f.ownedBy.length===1?(f.atlas.dispose(),le.splice(h,1)):f.ownedBy.splice(I,1);break}}for(let h=0;h<le.length;h++){let f=le[h];if(Mi(f.config,u))return f.ownedBy.push(i),f.atlas}let c=i._core,d={atlas:new ae(document,u,c.unicodeService),config:u,ownedBy:[i]};return le.push(d),d.atlas}function Ai(i){for(let e=0;e<le.length;e++){let t=le[e].ownedBy.indexOf(i);if(t!==-1){le[e].ownedBy.length===1?(le[e].atlas.dispose(),le.splice(e,1)):le[e].ownedBy.splice(t,1);break}}}var Ut=600,Ht=class{constructor(e,t){this._renderCallback=e;this._coreBrowserService=t;this.isCursorVisible=!0,this._coreBrowserService.isFocused&&this._restartInterval()}get isPaused(){return!(this._blinkStartTimeout||this._blinkInterval)}dispose(){this._blinkInterval&&(this._coreBrowserService.window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout&&(this._coreBrowserService.window.clearTimeout(this._blinkStartTimeout),this._blinkStartTimeout=void 0),this._animationFrame&&(this._coreBrowserService.window.cancelAnimationFrame(this._animationFrame),this._animationFrame=void 0)}restartBlinkAnimation(){this.isPaused||(this._animationTimeRestarted=Date.now(),this.isCursorVisible=!0,this._animationFrame||(this._animationFrame=this._coreBrowserService.window.requestAnimationFrame(()=>{this._renderCallback(),this._animationFrame=void 0})))}_restartInterval(e=Ut){this._blinkInterval&&(this._coreBrowserService.window.clearInterval(this._blinkInterval),this._blinkInterval=void 0),this._blinkStartTimeout=this._coreBrowserService.window.setTimeout(()=>{if(this._animationTimeRestarted){let t=Ut-(Date.now()-this._animationTimeRestarted);if(this._animationTimeRestarted=void 0,t>0){this._restartInterval(t);return}}this.isCursorVisible=!1,this._animationFrame=this._coreBrowserService.window.requestAnimationFrame(()=>{this._renderCallback(),this._animationFrame=void 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o=s.find(l=>l.target===i);if(!o)return;if(!("devicePixelContentBoxSize"in o)){n?.disconnect(),n=void 0;return}let r=o.devicePixelContentBoxSize[0].inlineSize,a=o.devicePixelContentBoxSize[0].blockSize;r>0&&a>0&&t(r,a)});try{n.observe(i,{box:["device-pixel-content-box"]})}catch{n.disconnect(),n=void 0}return O(()=>n?.disconnect())}function kn(i){return i>65535?(i-=65536,String.fromCharCode((i>>10)+55296)+String.fromCharCode(i%1024+56320)):String.fromCharCode(i)}var at=class i extends he{constructor(){super(...arguments);this.content=0;this.fg=0;this.bg=0;this.extended=new it;this.combinedData=""}static fromCharData(t){let n=new i;return n.setFromCharData(t),n}isCombined(){return this.content&2097152}getWidth(){return this.content>>22}getChars(){return this.content&2097152?this.combinedData:this.content&2097151?kn(this.content&2097151):""}getCode(){return this.isCombined()?this.combinedData.charCodeAt(this.combinedData.length-1):this.content&2097151}setFromCharData(t){this.fg=t[0],this.bg=0;let n=!1;if(t[1].length>2)n=!0;else if(t[1].length===2){let s=t[1].charCodeAt(0);if(55296<=s&&s<=56319){let o=t[1].charCodeAt(1);56320<=o&&o<=57343?this.content=(s-55296)*1024+o-56320+65536|t[2]<<22:n=!0}else n=!0}else this.content=t[1].charCodeAt(0)|t[2]<<22;n&&(this.combinedData=t[1],this.content=2097152|t[2]<<22)}getAsCharData(){return[this.fg,this.getChars(),this.getWidth(),this.getCode()]}};var Gt=new Float32Array([2,0,0,0,0,-2,0,0,0,0,1,0,-1,1,0,1]);function $t(i,e,t){let n=F(i.createProgram());if(i.attachShader(n,F(Pn(i,i.VERTEX_SHADER,e))),i.attachShader(n,F(Pn(i,i.FRAGMENT_SHADER,t))),i.linkProgram(n),i.getProgramParameter(n,i.LINK_STATUS))return n;console.error(i.getProgramInfoLog(n)),i.deleteProgram(n)}function Pn(i,e,t){let n=F(i.createShader(e));if(i.shaderSource(n,t),i.compileShader(n),i.getShaderParameter(n,i.COMPILE_STATUS))return n;console.error(i.getShaderInfoLog(n)),i.deleteShader(n)}function Bn(i,e){let t=Math.min(i.length*2,e),n=new Float32Array(t);for(let s=0;s<i.length;s++)n[s]=i[s];return n}var Wt=class{constructor(e){this.texture=e,this.version=-1}};var is=`#version 300 es
layout (location = 0) in vec2 a_unitquad;
layout (location = 1) in vec2 a_cellpos;
layout (location = 2) in vec2 a_offset;
layout (location = 3) in vec2 a_size;
layout (location = 4) in float a_texpage;
layout (location = 5) in vec2 a_texcoord;
layout (location = 6) in vec2 a_texsize;

uniform mat4 u_projection;
uniform vec2 u_resolution;

out vec2 v_texcoord;
flat out int v_texpage;

void main() {
  vec2 zeroToOne = (a_offset / u_resolution) + a_cellpos + (a_unitquad * a_size);
  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);
  v_texpage = int(a_texpage);
  v_texcoord = a_texcoord + a_unitquad * a_texsize;
}`;function ns(i){let e="";for(let t=1;t<i;t++)e+=` else if (v_texpage == ${t}) { outColor = texture(u_texture[${t}], v_texcoord); }`;return`#version 300 es
precision lowp float;

in vec2 v_texcoord;
flat in int v_texpage;

uniform sampler2D u_texture[${i}];

out vec4 outColor;

void main() {
  if (v_texpage == 0) {
    outColor = texture(u_texture[0], v_texcoord);
  } ${e}
}`}var De=11,Ke=De*Float32Array.BYTES_PER_ELEMENT,rs=2,H=0,k,Fi=0,lt=0,Kt=class extends B{constructor(t,n,s,o){super();this._terminal=t;this._gl=n;this._dimensions=s;this._optionsService=o;this._activeBuffer=0;this._vertices={count:0,attributes:new Float32Array(0),attributesBuffers:[new Float32Array(0),new Float32Array(0)]};let r=this._gl;ae.maxAtlasPages===void 0&&(ae.maxAtlasPages=Math.min(32,F(r.getParameter(r.MAX_TEXTURE_IMAGE_UNITS))),ae.maxTextureSize=F(r.getParameter(r.MAX_TEXTURE_SIZE))),this._program=F($t(r,is,ns(ae.maxAtlasPages))),this._register(O(()=>r.deleteProgram(this._program))),this._projectionLocation=F(r.getUniformLocation(this._program,"u_projection")),this._resolutionLocation=F(r.getUniformLocation(this._program,"u_resolution")),this._textureLocation=F(r.getUniformLocation(this._program,"u_texture")),this._vertexArrayObject=r.createVertexArray(),r.bindVertexArray(this._vertexArrayObject);let a=new Float32Array([0,0,1,0,0,1,1,1]),l=r.createBuffer();this._register(O(()=>r.deleteBuffer(l))),r.bindBuffer(r.ARRAY_BUFFER,l),r.bufferData(r.ARRAY_BUFFER,a,r.STATIC_DRAW),r.enableVertexAttribArray(0),r.vertexAttribPointer(0,2,this._gl.FLOAT,!1,0,0);let u=new Uint8Array([0,1,2,3]),c=r.createBuffer();this._register(O(()=>r.deleteBuffer(c))),r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,c),r.bufferData(r.ELEMENT_ARRAY_BUFFER,u,r.STATIC_DRAW),this._attributesBuffer=F(r.createBuffer()),this._register(O(()=>r.deleteBuffer(this._attributesBuffer))),r.bindBuffer(r.ARRAY_BUFFER,this._attributesBuffer),r.enableVertexAttribArray(2),r.vertexAttribPointer(2,2,r.FLOAT,!1,Ke,0),r.vertexAttribDivisor(2,1),r.enableVertexAttribArray(3),r.vertexAttribPointer(3,2,r.FLOAT,!1,Ke,2*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(3,1),r.enableVertexAttribArray(4),r.vertexAttribPointer(4,1,r.FLOAT,!1,Ke,4*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(4,1),r.enableVertexAttribArray(5),r.vertexAttribPointer(5,2,r.FLOAT,!1,Ke,5*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(5,1),r.enableVertexAttribArray(6),r.vertexAttribPointer(6,2,r.FLOAT,!1,Ke,7*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(6,1),r.enableVertexAttribArray(1),r.vertexAttribPointer(1,2,r.FLOAT,!1,Ke,9*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(1,1),r.useProgram(this._program);let d=new Int32Array(ae.maxAtlasPages);for(let h=0;h<ae.maxAtlasPages;h++)d[h]=h;r.uniform1iv(this._textureLocation,d),r.uniformMatrix4fv(this._projectionLocation,!1,Gt),this._atlasTextures=[];for(let h=0;h<ae.maxAtlasPages;h++){let f=new Wt(F(r.createTexture()));this._register(O(()=>r.deleteTexture(f.texture))),r.activeTexture(r.TEXTURE0+h),r.bindTexture(r.TEXTURE_2D,f.texture),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,r.CLAMP_TO_EDGE),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,r.CLAMP_TO_EDGE),r.texImage2D(r.TEXTURE_2D,0,r.RGBA,1,1,0,r.RGBA,r.UNSIGNED_BYTE,new Uint8Array([255,0,0,255])),this._atlasTextures[h]=f}r.enable(r.BLEND),r.blendFunc(r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA),this.handleResize()}beginFrame(){return this._atlas?this._atlas.beginFrame():!0}updateCell(t,n,s,o,r,a,l,u,c){this._updateCell(this._vertices.attributes,t,n,s,o,r,a,l,u,c)}_updateCell(t,n,s,o,r,a,l,u,c,d){if(H=(s*this._terminal.cols+n)*De,o===0||o===void 0){t.fill(0,H,H+De-1-rs);return}this._atlas&&(u&&u.length>1?k=this._atlas.getRasterizedGlyphCombinedChar(u,r,a,l,!1,this._terminal.element):k=this._atlas.getRasterizedGlyph(o,r,a,l,!1,this._terminal.element),Fi=Math.floor((this._dimensions.device.cell.width-this._dimensions.device.char.width)/2),r!==d&&k.offset.x>Fi?(lt=k.offset.x-Fi,t[H]=-(k.offset.x-lt)+this._dimensions.device.char.left,t[H+1]=-k.offset.y+this._dimensions.device.char.top,t[H+2]=(k.size.x-lt)/this._dimensions.device.canvas.width,t[H+3]=k.size.y/this._dimensions.device.canvas.height,t[H+4]=k.texturePage,t[H+5]=k.texturePositionClipSpace.x+lt/this._atlas.pages[k.texturePage].canvas.width,t[H+6]=k.texturePositionClipSpace.y,t[H+7]=k.sizeClipSpace.x-lt/this._atlas.pages[k.texturePage].canvas.width,t[H+8]=k.sizeClipSpace.y):(t[H]=-k.offset.x+this._dimensions.device.char.left,t[H+1]=-k.offset.y+this._dimensions.device.char.top,t[H+2]=k.size.x/this._dimensions.device.canvas.width,t[H+3]=k.size.y/this._dimensions.device.canvas.height,t[H+4]=k.texturePage,t[H+5]=k.texturePositionClipSpace.x,t[H+6]=k.texturePositionClipSpace.y,t[H+7]=k.sizeClipSpace.x,t[H+8]=k.sizeClipSpace.y),this._optionsService.rawOptions.rescaleOverlappingGlyphs&&mn(o,c,k.size.x,this._dimensions.device.cell.width)&&(t[H+2]=(this._dimensions.device.cell.width-1)/this._dimensions.device.canvas.width))}clear(){let t=this._terminal,n=t.cols*t.rows*De;this._vertices.count!==n?this._vertices.attributes=new Float32Array(n):this._vertices.attributes.fill(0);let s=0;for(;s<this._vertices.attributesBuffers.length;s++)this._vertices.count!==n?this._vertices.attributesBuffers[s]=new Float32Array(n):this._vertices.attributesBuffers[s].fill(0);this._vertices.count=n,s=0;for(let o=0;o<t.rows;o++)for(let r=0;r<t.cols;r++)this._vertices.attributes[s+9]=r/t.cols,this._vertices.attributes[s+10]=o/t.rows,s+=De}handleResize(){let t=this._gl;t.useProgram(this._program),t.viewport(0,0,t.canvas.width,t.canvas.height),t.uniform2f(this._resolutionLocation,t.canvas.width,t.canvas.height),this.clear()}render(t){if(!this._atlas)return;let n=this._gl;n.useProgram(this._program),n.bindVertexArray(this._vertexArrayObject),this._activeBuffer=(this._activeBuffer+1)%2;let s=this._vertices.attributesBuffers[this._activeBuffer],o=0;for(let r=0;r<t.lineLengths.length;r++){let a=r*this._terminal.cols*De,l=this._vertices.attributes.subarray(a,a+t.lineLengths[r]*De);s.set(l,o),o+=l.length}n.bindBuffer(n.ARRAY_BUFFER,this._attributesBuffer),n.bufferData(n.ARRAY_BUFFER,s.subarray(0,o),n.STREAM_DRAW);for(let r=0;r<this._atlas.pages.length;r++)this._atlas.pages[r].version!==this._atlasTextures[r].version&&this._bindAtlasPageTexture(n,this._atlas,r);n.drawElementsInstanced(n.TRIANGLE_STRIP,4,n.UNSIGNED_BYTE,0,o/De)}setAtlas(t){this._atlas=t;for(let n of this._atlasTextures)n.version=-1}_bindAtlasPageTexture(t,n,s){t.activeTexture(t.TEXTURE0+s),t.bindTexture(t.TEXTURE_2D,this._atlasTextures[s].texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,n.pages[s].canvas),t.generateMipmap(t.TEXTURE_2D),this._atlasTextures[s].version=n.pages[s].version}setDimensions(t){this._dimensions=t}};var ki=class{constructor(){this.clear()}clear(){this.hasSelection=!1,this.columnSelectMode=!1,this.viewportStartRow=0,this.viewportEndRow=0,this.viewportCappedStartRow=0,this.viewportCappedEndRow=0,this.startCol=0,this.endCol=0,this.selectionStart=void 0,this.selectionEnd=void 0}update(e,t,n,s=!1){if(this.selectionStart=t,this.selectionEnd=n,!t||!n||t[0]===n[0]&&t[1]===n[1]){this.clear();return}let o=e.buffers.active.ydisp,r=t[1]-o,a=n[1]-o,l=Math.max(r,0),u=Math.min(a,e.rows-1);if(l>=e.rows||u<0){this.clear();return}this.hasSelection=!0,this.columnSelectMode=s,this.viewportStartRow=r,this.viewportEndRow=a,this.viewportCappedStartRow=l,this.viewportCappedEndRow=u,this.startCol=t[0],this.endCol=n[0]}isCellSelected(e,t,n){return this.hasSelection?(n-=e.buffer.active.viewportY,this.columnSelectMode?this.startCol<=this.endCol?t>=this.startCol&&n>=this.viewportCappedStartRow&&t<this.endCol&&n<=this.viewportCappedEndRow:t<this.startCol&&n>=this.viewportCappedStartRow&&t>=this.endCol&&n<=this.viewportCappedEndRow:n>this.viewportStartRow&&n<this.viewportEndRow||this.viewportStartRow===this.viewportEndRow&&n===this.viewportStartRow&&t>=this.startCol&&t<this.endCol||this.viewportStartRow<this.viewportEndRow&&n===this.viewportEndRow&&t<this.endCol||this.viewportStartRow<this.viewportEndRow&&n===this.viewportStartRow&&t>=this.startCol):!1}};function Nn(){return new ki}var Ve=4,Ce=1,ze=2,Ct=3,Un=2147483648,Vt=class{constructor(){this.cells=new Uint32Array(0),this.lineLengths=new Uint32Array(0),this.selection=Nn()}resize(e,t){let n=e*t*Ve;n!==this.cells.length&&(this.cells=new Uint32Array(n),this.lineLengths=new Uint32Array(t))}clear(){this.cells.fill(0,0),this.lineLengths.fill(0,0)}};var ss=`#version 300 es
layout (location = 0) in vec2 a_position;
layout (location = 1) in vec2 a_size;
layout (location = 2) in vec4 a_color;
layout (location = 3) in vec2 a_unitquad;

uniform mat4 u_projection;

out vec4 v_color;

void main() {
  vec2 zeroToOne = a_position + (a_unitquad * a_size);
  gl_Position = u_projection * vec4(zeroToOne, 0.0, 1.0);
  v_color = a_color;
}`,os=`#version 300 es
precision lowp float;

in vec4 v_color;

out vec4 outColor;

void main() {
  outColor = v_color;
}`,Ee=8,Pi=Ee*Float32Array.BYTES_PER_ELEMENT,as=20*Ee,zt=class{constructor(){this.attributes=new Float32Array(as),this.count=0}},xe=0,Hn=0,Wn=0,Gn=0,$n=0,Kn=0,Vn=0,qt=class extends B{constructor(t,n,s,o){super();this._terminal=t;this._gl=n;this._dimensions=s;this._themeService=o;this._vertices=new zt;this._verticesCursor=new zt;let r=this._gl;this._program=F($t(r,ss,os)),this._register(O(()=>r.deleteProgram(this._program))),this._projectionLocation=F(r.getUniformLocation(this._program,"u_projection")),this._vertexArrayObject=r.createVertexArray(),r.bindVertexArray(this._vertexArrayObject);let a=new Float32Array([0,0,1,0,0,1,1,1]),l=r.createBuffer();this._register(O(()=>r.deleteBuffer(l))),r.bindBuffer(r.ARRAY_BUFFER,l),r.bufferData(r.ARRAY_BUFFER,a,r.STATIC_DRAW),r.enableVertexAttribArray(3),r.vertexAttribPointer(3,2,this._gl.FLOAT,!1,0,0);let u=new Uint8Array([0,1,2,3]),c=r.createBuffer();this._register(O(()=>r.deleteBuffer(c))),r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,c),r.bufferData(r.ELEMENT_ARRAY_BUFFER,u,r.STATIC_DRAW),this._attributesBuffer=F(r.createBuffer()),this._register(O(()=>r.deleteBuffer(this._attributesBuffer))),r.bindBuffer(r.ARRAY_BUFFER,this._attributesBuffer),r.enableVertexAttribArray(0),r.vertexAttribPointer(0,2,r.FLOAT,!1,Pi,0),r.vertexAttribDivisor(0,1),r.enableVertexAttribArray(1),r.vertexAttribPointer(1,2,r.FLOAT,!1,Pi,2*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(1,1),r.enableVertexAttribArray(2),r.vertexAttribPointer(2,4,r.FLOAT,!1,Pi,4*Float32Array.BYTES_PER_ELEMENT),r.vertexAttribDivisor(2,1),this._updateCachedColors(o.colors),this._register(this._themeService.onChangeColors(d=>{this._updateCachedColors(d),this._updateViewportRectangle()}))}renderBackgrounds(){this._renderVertices(this._vertices)}renderCursor(){this._renderVertices(this._verticesCursor)}_renderVertices(t){let n=this._gl;n.useProgram(this._program),n.bindVertexArray(this._vertexArrayObject),n.uniformMatrix4fv(this._projectionLocation,!1,Gt),n.bindBuffer(n.ARRAY_BUFFER,this._attributesBuffer),n.bufferData(n.ARRAY_BUFFER,t.attributes,n.DYNAMIC_DRAW),n.drawElementsInstanced(this._gl.TRIANGLE_STRIP,4,n.UNSIGNED_BYTE,0,t.count)}handleResize(){this._updateViewportRectangle()}setDimensions(t){this._dimensions=t}_updateCachedColors(t){this._bgFloat=this._colorToFloat32Array(t.background),this._cursorFloat=this._colorToFloat32Array(t.cursor)}_updateViewportRectangle(){this._addRectangleFloat(this._vertices.attributes,0,0,0,this._terminal.cols*this._dimensions.device.cell.width,this._terminal.rows*this._dimensions.device.cell.height,this._bgFloat)}updateBackgrounds(t){let n=this._terminal,s=this._vertices,o=1,r,a,l,u,c,d,h,f,I,L,M;for(r=0;r<n.rows;r++){for(l=-1,u=0,c=0,d=!1,a=0;a<n.cols;a++)h=(r*n.cols+a)*Ve,f=t.cells[h+Ce],I=t.cells[h+ze],L=!!(I&67108864),(f!==u||I!==c&&(d||L))&&((u!==0||d&&c!==0)&&(M=o++*Ee,this._updateRectangle(s,M,c,u,l,a,r)),l=a,u=f,c=I,d=L);(u!==0||d&&c!==0)&&(M=o++*Ee,this._updateRectangle(s,M,c,u,l,n.cols,r))}s.count=o}updateCursor(t){let n=this._verticesCursor,s=t.cursor;if(!s||s.style==="block"){n.count=0;return}let o,r=0;(s.style==="bar"||s.style==="outline")&&(o=r++*Ee,this._addRectangleFloat(n.attributes,o,s.x*this._dimensions.device.cell.width,s.y*this._dimensions.device.cell.height,s.style==="bar"?s.dpr*s.cursorWidth:s.dpr,this._dimensions.device.cell.height,this._cursorFloat)),(s.style==="underline"||s.style==="outline")&&(o=r++*Ee,this._addRectangleFloat(n.attributes,o,s.x*this._dimensions.device.cell.width,(s.y+1)*this._dimensions.device.cell.height-s.dpr,s.width*this._dimensions.device.cell.width,s.dpr,this._cursorFloat)),s.style==="outline"&&(o=r++*Ee,this._addRectangleFloat(n.attributes,o,s.x*this._dimensions.device.cell.width,s.y*this._dimensions.device.cell.height,s.width*this._dimensions.device.cell.width,s.dpr,this._cursorFloat),o=r++*Ee,this._addRectangleFloat(n.attributes,o,(s.x+s.width)*this._dimensions.device.cell.width-s.dpr,s.y*this._dimensions.device.cell.height,s.dpr,this._dimensions.device.cell.height,this._cursorFloat)),n.count=r}_updateRectangle(t,n,s,o,r,a,l){if(s&67108864)switch(s&50331648){case 16777216:case 33554432:xe=this._themeService.colors.ansi[s&255].rgba;break;case 50331648:xe=(s&16777215)<<8;break;case 0:default:xe=this._themeService.colors.foreground.rgba}else switch(o&50331648){case 16777216:case 33554432:xe=this._themeService.colors.ansi[o&255].rgba;break;case 50331648:xe=(o&16777215)<<8;break;case 0:default:xe=this._themeService.colors.background.rgba}t.attributes.length<n+4&&(t.attributes=Bn(t.attributes,this._terminal.rows*this._terminal.cols*Ee)),Hn=r*this._dimensions.device.cell.width,Wn=l*this._dimensions.device.cell.height,Gn=(xe>>24&255)/255,$n=(xe>>16&255)/255,Kn=(xe>>8&255)/255,Vn=1,this._addRectangle(t.attributes,n,Hn,Wn,(a-r)*this._dimensions.device.cell.width,this._dimensions.device.cell.height,Gn,$n,Kn,Vn)}_addRectangle(t,n,s,o,r,a,l,u,c,d){t[n]=s/this._dimensions.device.canvas.width,t[n+1]=o/this._dimensions.device.canvas.height,t[n+2]=r/this._dimensions.device.canvas.width,t[n+3]=a/this._dimensions.device.canvas.height,t[n+4]=l,t[n+5]=u,t[n+6]=c,t[n+7]=d}_addRectangleFloat(t,n,s,o,r,a,l){t[n]=s/this._dimensions.device.canvas.width,t[n+1]=o/this._dimensions.device.canvas.height,t[n+2]=r/this._dimensions.device.canvas.width,t[n+3]=a/this._dimensions.device.canvas.height,t[n+4]=l[0],t[n+5]=l[1],t[n+6]=l[2],t[n+7]=l[3]}_colorToFloat32Array(t){return new Float32Array([(t.rgba>>24&255)/255,(t.rgba>>16&255)/255,(t.rgba>>8&255)/255,(t.rgba&255)/255])}};var jt=class extends B{constructor(t,n,s,o,r,a,l,u){super();this._container=n;this._alpha=r;this._coreBrowserService=a;this._optionsService=l;this._themeService=u;this._deviceCharWidth=0;this._deviceCharHeight=0;this._deviceCellWidth=0;this._deviceCellHeight=0;this._deviceCharLeft=0;this._deviceCharTop=0;this._canvas=this._coreBrowserService.mainDocument.createElement("canvas"),this._canvas.classList.add(`xterm-${s}-layer`),this._canvas.style.zIndex=o.toString(),this._initCanvas(),this._container.appendChild(this._canvas),this._register(this._themeService.onChangeColors(c=>{this._refreshCharAtlas(t,c),this.reset(t)})),this._register(O(()=>{this._canvas.remove()}))}_initCanvas(){this._ctx=F(this._canvas.getContext("2d",{alpha:this._alpha})),this._alpha||this._clearAll()}handleBlur(t){}handleFocus(t){}handleCursorMove(t){}handleGridChanged(t,n,s){}handleSelectionChanged(t,n,s,o=!1){}_setTransparency(t,n){if(n===this._alpha)return;let s=this._canvas;this._alpha=n,this._canvas=this._canvas.cloneNode(),this._initCanvas(),this._container.replaceChild(this._canvas,s),this._refreshCharAtlas(t,this._themeService.colors),this.handleGridChanged(t,0,t.rows-1)}_refreshCharAtlas(t,n){this._deviceCharWidth<=0&&this._deviceCharHeight<=0||(this._charAtlas=Nt(t,this._optionsService.rawOptions,n,this._deviceCellWidth,this._deviceCellHeight,this._deviceCharWidth,this._deviceCharHeight,this._coreBrowserService.dpr,2048),this._charAtlas.warmUp())}resize(t,n){this._deviceCellWidth=n.device.cell.width,this._deviceCellHeight=n.device.cell.height,this._deviceCharWidth=n.device.char.width,this._deviceCharHeight=n.device.char.height,this._deviceCharLeft=n.device.char.left,this._deviceCharTop=n.device.char.top,this._canvas.width=n.device.canvas.width,this._canvas.height=n.device.canvas.height,this._canvas.style.width=`${n.css.canvas.width}px`,this._canvas.style.height=`${n.css.canvas.height}px`,this._alpha||this._clearAll(),this._refreshCharAtlas(t,this._themeService.colors)}_fillBottomLineAtCells(t,n,s=1){this._ctx.fillRect(t*this._deviceCellWidth,(n+1)*this._deviceCellHeight-this._coreBrowserService.dpr-1,s*this._deviceCellWidth,this._coreBrowserService.dpr)}_clearAll(){this._alpha?this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height):(this._ctx.fillStyle=this._themeService.colors.background.css,this._ctx.fillRect(0,0,this._canvas.width,this._canvas.height))}_clearCells(t,n,s,o){this._alpha?this._ctx.clearRect(t*this._deviceCellWidth,n*this._deviceCellHeight,s*this._deviceCellWidth,o*this._deviceCellHeight):(this._ctx.fillStyle=this._themeService.colors.background.css,this._ctx.fillRect(t*this._deviceCellWidth,n*this._deviceCellHeight,s*this._deviceCellWidth,o*this._deviceCellHeight))}_fillCharTrueColor(t,n,s,o){this._ctx.font=this._getFont(t,!1,!1),this._ctx.textBaseline=St,this._clipCell(s,o,n.getWidth()),this._ctx.fillText(n.getChars(),s*this._deviceCellWidth+this._deviceCharLeft,o*this._deviceCellHeight+this._deviceCharTop+this._deviceCharHeight)}_clipCell(t,n,s){this._ctx.beginPath(),this._ctx.rect(t*this._deviceCellWidth,n*this._deviceCellHeight,s*this._deviceCellWidth,this._deviceCellHeight),this._ctx.clip()}_getFont(t,n,s){let o=n?t.options.fontWeightBold:t.options.fontWeight;return`${s?"italic":""} ${o} ${t.options.fontSize*this._coreBrowserService.dpr}px ${t.options.fontFamily}`}};var Xt=class extends jt{constructor(e,t,n,s,o,r,a){super(n,e,"link",t,!0,o,r,a),this._register(s.onShowLinkUnderline(l=>this._handleShowLinkUnderline(l))),this._register(s.onHideLinkUnderline(l=>this._handleHideLinkUnderline(l)))}resize(e,t){super.resize(e,t),this._state=void 0}reset(e){this._clearCurrentLink()}_clearCurrentLink(){if(this._state){this._clearCells(this._state.x1,this._state.y1,this._state.cols-this._state.x1,1);let e=this._state.y2-this._state.y1-1;e>0&&this._clearCells(0,this._state.y1+1,this._state.cols,e),this._clearCells(0,this._state.y2,this._state.x2,1),this._state=void 0}}_handleShowLinkUnderline(e){if(e.fg===257?this._ctx.fillStyle=this._themeService.colors.background.css:e.fg!==void 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be);this._observerDisposable=this._register(new be);this._model=new Vt;this._workCell=new at;this._workCell2=new at;this._rectangleRenderer=this._register(new be);this._glyphRenderer=this._register(new be);this._onChangeTextureAtlas=this._register(new D);this.onChangeTextureAtlas=this._onChangeTextureAtlas.event;this._onAddTextureAtlasCanvas=this._register(new D);this.onAddTextureAtlasCanvas=this._onAddTextureAtlasCanvas.event;this._onRemoveTextureAtlasCanvas=this._register(new D);this.onRemoveTextureAtlasCanvas=this._onRemoveTextureAtlasCanvas.event;this._onRequestRedraw=this._register(new D);this.onRequestRedraw=this._onRequestRedraw.event;this._onContextLoss=this._register(new D);this.onContextLoss=this._onContextLoss.event;this._canvas=this._coreBrowserService.mainDocument.createElement("canvas");let d={antialias:!1,depth:!1,preserveDrawingBuffer:c};if(this._gl=this._canvas.getContext("webgl2",d),!this._gl)throw new Error("WebGL2 not supported "+this._gl);this._register(this._themeService.onChangeColors(()=>this._handleColorChange())),this._cellColorResolver=new At(this._terminal,this._optionsService,this._model.selection,this._decorationService,this._coreBrowserService,this._themeService),this._core=this._terminal._core,this._renderLayers=[new Xt(this._core.screenElement,2,this._terminal,this._core.linkifier,this._coreBrowserService,l,this._themeService)],this.dimensions=_n(),this._devicePixelRatio=this._coreBrowserService.dpr,this._updateDimensions(),this._updateCursorBlink(),this._register(l.onOptionChange(()=>this._handleOptionsChanged())),this._deviceMaxTextureSize=this._gl.getParameter(this._gl.MAX_TEXTURE_SIZE),this._register(li(this._canvas,"webglcontextlost",h=>{console.log("webglcontextlost event received"),h.preventDefault(),this._contextRestorationTimeout=setTimeout(()=>{this._contextRestorationTimeout=void 0,console.warn("webgl context not restored; firing onContextLoss"),this._onContextLoss.fire(h)},3e3)})),this._register(li(this._canvas,"webglcontextrestored",h=>{console.warn("webglcontextrestored event received"),clearTimeout(this._contextRestorationTimeout),this._contextRestorationTimeout=void 0,Ai(this._terminal),this._initializeWebGLState(),this._requestRedrawViewport()})),this._observerDisposable.value=Si(this._canvas,this._coreBrowserService.window,(h,f)=>this._setCanvasDevicePixelDimensions(h,f)),this._register(this._coreBrowserService.onWindowChange(h=>{this._observerDisposable.value=Si(this._canvas,h,(f,I)=>this._setCanvasDevicePixelDimensions(f,I))})),this._core.screenElement.appendChild(this._canvas),[this._rectangleRenderer.value,this._glyphRenderer.value]=this._initializeWebGLState(),this._isAttached=this._coreBrowserService.window.document.body.contains(this._core.screenElement),this._register(O(()=>{for(let h of this._renderLayers)h.dispose();this._canvas.parentElement?.removeChild(this._canvas),Ai(this._terminal)}))}get textureAtlas(){return this._charAtlas?.pages[0].canvas}_handleColorChange(){this._refreshCharAtlas(),this._clearModel(!0)}handleDevicePixelRatioChange(){this._devicePixelRatio!==this._coreBrowserService.dpr&&(this._devicePixelRatio=this._coreBrowserService.dpr,this.handleResize(this._terminal.cols,this._terminal.rows))}handleResize(t,n){this._updateDimensions(),this._model.resize(this._terminal.cols,this._terminal.rows);for(let s of this._renderLayers)s.resize(this._terminal,this.dimensions);this._canvas.width=this.dimensions.device.canvas.width,this._canvas.height=this.dimensions.device.canvas.height,this._canvas.style.width=`${this.dimensions.css.canvas.width}px`,this._canvas.style.height=`${this.dimensions.css.canvas.height}px`,this._core.screenElement.style.width=`${this.dimensions.css.canvas.width}px`,this._core.screenElement.style.height=`${this.dimensions.css.canvas.height}px`,this._rectangleRenderer.value?.setDimensions(this.dimensions),this._rectangleRenderer.value?.handleResize(),this._glyphRenderer.value?.setDimensions(this.dimensions),this._glyphRenderer.value?.handleResize(),this._refreshCharAtlas(),this._clearModel(!1)}handleCharSizeChanged(){this.handleResize(this._terminal.cols,this._terminal.rows)}handleBlur(){for(let t of this._renderLayers)t.handleBlur(this._terminal);this._cursorBlinkStateManager.value?.pause(),this._requestRedrawViewport()}handleFocus(){for(let t of this._renderLayers)t.handleFocus(this._terminal);this._cursorBlinkStateManager.value?.resume(),this._requestRedrawViewport()}handleSelectionChanged(t,n,s){for(let o of this._renderLayers)o.handleSelectionChanged(this._terminal,t,n,s);this._model.selection.update(this._core,t,n,s),this._requestRedrawViewport()}handleCursorMove(){for(let t of this._renderLayers)t.handleCursorMove(this._terminal);this._cursorBlinkStateManager.value?.restartBlinkAnimation()}_handleOptionsChanged(){this._updateDimensions(),this._refreshCharAtlas(),this._updateCursorBlink()}_initializeWebGLState(){return this._rectangleRenderer.value=new qt(this._terminal,this._gl,this.dimensions,this._themeService),this._glyphRenderer.value=new Kt(this._terminal,this._gl,this.dimensions,this._optionsService),this.handleCharSizeChanged(),[this._rectangleRenderer.value,this._glyphRenderer.value]}_refreshCharAtlas(){if(this.dimensions.device.char.width<=0&&this.dimensions.device.char.height<=0){this._isAttached=!1;return}let t=Nt(this._terminal,this._optionsService.rawOptions,this._themeService.colors,this.dimensions.device.cell.width,this.dimensions.device.cell.height,this.dimensions.device.char.width,this.dimensions.device.char.height,this._coreBrowserService.dpr,this._deviceMaxTextureSize);this._charAtlas!==t&&(this._onChangeTextureAtlas.fire(t.pages[0].canvas),this._charAtlasDisposable.value=It(ee.forward(t.onAddTextureAtlasCanvas,this._onAddTextureAtlasCanvas),ee.forward(t.onRemoveTextureAtlasCanvas,this._onRemoveTextureAtlasCanvas))),this._charAtlas=t,this._charAtlas.warmUp(),this._glyphRenderer.value?.setAtlas(this._charAtlas)}_clearModel(t){this._model.clear(),t&&this._glyphRenderer.value?.clear()}clearTextureAtlas(){this._charAtlas?.clearTexture(),this._clearModel(!0),this._requestRedrawViewport()}clear(){this._clearModel(!0);for(let t of this._renderLayers)t.reset(this._terminal);this._cursorBlinkStateManager.value?.restartBlinkAnimation(),this._updateCursorBlink()}renderRows(t,n){if(!this._isAttached)if(this._coreBrowserService.window.document.body.contains(this._core.screenElement)&&this._charSizeService.width&&this._charSizeService.height)this._updateDimensions(),this._refreshCharAtlas(),this._isAttached=!0;else return;for(let s of this._renderLayers)s.handleGridChanged(this._terminal,t,n);!this._glyphRenderer.value||!this._rectangleRenderer.value||(this._glyphRenderer.value.beginFrame()?(this._clearModel(!0),this._updateModel(0,this._terminal.rows-1)):this._updateModel(t,n),this._rectangleRenderer.value.renderBackgrounds(),this._glyphRenderer.value.render(this._model),(!this._cursorBlinkStateManager.value||this._cursorBlinkStateManager.value.isCursorVisible)&&this._rectangleRenderer.value.renderCursor())}_updateCursorBlink(){this._coreService.decPrivateModes.cursorBlink??this._terminal.options.cursorBlink?this._cursorBlinkStateManager.value=new Ht(()=>{this._requestRedrawCursor()},this._coreBrowserService):this._cursorBlinkStateManager.clear(),this._requestRedrawCursor()}_updateModel(t,n){let s=this._core,o=this._workCell,r,a,l,u,c,d,h=0,f=!0,I,L,M,q,S,W,E,y,w;t=mr(t,s.rows-1,0),n=mr(n,s.rows-1,0);let G=this._coreService.decPrivateModes.cursorStyle??s.options.cursorStyle??"block",ue=this._terminal.buffer.active.baseY+this._terminal.buffer.active.cursorY,Se=ue-s.buffer.ydisp,ce=Math.min(this._terminal.buffer.active.cursorX,s.cols-1),we=-1,A=this._coreService.isCursorInitialized&&!this._coreService.isCursorHidden&&(!this._cursorBlinkStateManager.value||this._cursorBlinkStateManager.value.isCursorVisible);this._model.cursor=void 0;let se=!1;for(a=t;a<=n;a++)for(l=a+s.buffer.ydisp,u=s.buffer.lines.get(l),this._model.lineLengths[a]=0,M=ue===l,h=0,c=this._characterJoinerService.getJoinedCharacters(l),y=0;y<s.cols;y++){if(r=this._cellColorResolver.result.bg,u.loadCell(y,o),y===0&&(r=this._cellColorResolver.result.bg),d=!1,f=y>=h,I=y,c.length>0&&y===c[0][0]&&f){L=c.shift();let T=this._model.selection.isCellSelected(this._terminal,L[0],l);for(E=L[0]+1;E<L[1];E++)f&&=T===this._model.selection.isCellSelected(this._terminal,E,l);f&&=!M||ce<L[0]||ce>=L[1],f?(d=!0,o=new Ci(o,u.translateToString(!0,L[0],L[1]),L[1]-L[0]),I=L[1]-1):h=L[1]}if(q=o.getChars(),S=o.getCode(),E=(a*s.cols+y)*Ve,this._cellColorResolver.resolve(o,y,l,this.dimensions.device.cell.width),A&&l===ue&&(y===ce&&(this._model.cursor={x:ce,y:Se,width:o.getWidth(),style:this._coreBrowserService.isFocused?G:s.options.cursorInactiveStyle,cursorWidth:s.options.cursorWidth,dpr:this._devicePixelRatio},we=ce+o.getWidth()-1),y>=ce&&y<=we&&(this._coreBrowserService.isFocused&&G==="block"||this._coreBrowserService.isFocused===!1&&s.options.cursorInactiveStyle==="block")&&(this._cellColorResolver.result.fg=50331648|this._themeService.colors.cursorAccent.rgba>>8&16777215,this._cellColorResolver.result.bg=50331648|this._themeService.colors.cursor.rgba>>8&16777215)),S!==0&&(this._model.lineLengths[a]=y+1),!(this._model.cells[E]===S&&this._model.cells[E+Ce]===this._cellColorResolver.result.bg&&this._model.cells[E+ze]===this._cellColorResolver.result.fg&&this._model.cells[E+Ct]===this._cellColorResolver.result.ext)&&(se=!0,q.length>1&&(S|=Un),this._model.cells[E]=S,this._model.cells[E+Ce]=this._cellColorResolver.result.bg,this._model.cells[E+ze]=this._cellColorResolver.result.fg,this._model.cells[E+Ct]=this._cellColorResolver.result.ext,W=o.getWidth(),this._glyphRenderer.value.updateCell(y,a,S,this._cellColorResolver.result.bg,this._cellColorResolver.result.fg,this._cellColorResolver.result.ext,q,W,r),d)){for(o=this._workCell,y++;y<=I;y++)w=(a*s.cols+y)*Ve,this._glyphRenderer.value.updateCell(y,a,0,0,0,0,pn,0,0),this._model.cells[w]=0,this._model.cells[w+Ce]=this._cellColorResolver.result.bg,this._model.cells[w+ze]=this._cellColorResolver.result.fg,this._model.cells[w+Ct]=this._cellColorResolver.result.ext;y--}}se&&this._rectangleRenderer.value.updateBackgrounds(this._model),this._rectangleRenderer.value.updateCursor(this._model)}_updateDimensions(){!this._charSizeService.width||!this._charSizeService.height||(this.dimensions.device.char.width=Math.floor(this._charSizeService.width*this._devicePixelRatio),this.dimensions.device.char.height=Math.ceil(this._charSizeService.height*this._devicePixelRatio),this.dimensions.device.cell.height=Math.floor(this.dimensions.device.char.height*this._optionsService.rawOptions.lineHeight),this.dimensions.device.char.top=this._optionsService.rawOptions.lineHeight===1?0:Math.round((this.dimensions.device.cell.height-this.dimensions.device.char.height)/2),this.dimensions.device.cell.width=this.dimensions.device.char.width+Math.round(this._optionsService.rawOptions.letterSpacing),this.dimensions.device.char.left=Math.floor(this._optionsService.rawOptions.letterSpacing/2),this.dimensions.device.canvas.height=this._terminal.rows*this.dimensions.device.cell.height,this.dimensions.device.canvas.width=this._terminal.cols*this.dimensions.device.cell.width,this.dimensions.css.canvas.height=Math.round(this.dimensions.device.canvas.height/this._devicePixelRatio),this.dimensions.css.canvas.width=Math.round(this.dimensions.device.canvas.width/this._devicePixelRatio),this.dimensions.css.cell.height=this.dimensions.device.cell.height/this._devicePixelRatio,this.dimensions.css.cell.width=this.dimensions.device.cell.width/this._devicePixelRatio)}_setCanvasDevicePixelDimensions(t,n){this._canvas.width===t&&this._canvas.height===n||(this._canvas.width=t,this._canvas.height=n,this._requestRedrawViewport())}_requestRedrawViewport(){this._onRequestRedraw.fire({start:0,end:this._terminal.rows-1})}_requestRedrawCursor(){let t=this._terminal.buffer.active.cursorY;this._onRequestRedraw.fire({start:t,end:t})}},Ci=class extends he{constructor(t,n,s){super();this.content=0;this.combinedData="";this.fg=t.fg,this.bg=t.bg,this.combinedData=n,this._width=s}isCombined(){return 2097152}getWidth(){return this._width}getChars(){return this.combinedData}getCode(){return 2097151}setFromCharData(t){throw new Error("not implemented")}getAsCharData(){return[this.fg,this.getChars(),this.getWidth(),this.getCode()]}};function mr(i,e,t=0){return Math.max(Math.min(i,e),t)}var _r="di$target",br="di$dependencies",zi=new Map;function pe(i){if(zi.has(i))return zi.get(i);let e=function(t,n,s){if(arguments.length!==3)throw new Error("@IServiceName-decorator can only be used to decorate a parameter");Us(e,t,s)};return e._id=i,zi.set(i,e),e}function Us(i,e,t){e[_r]===e?e[br].push({id:i,index:t}):(e[br]=[{id:i,index:t}],e[_r]=e)}var Vu=pe("BufferService"),Cu=pe("CoreMouseService"),zu=pe("CoreService"),qu=pe("CharsetService"),ju=pe("InstantiationService");var Xu=pe("LogService"),Tr=pe("OptionsService"),Yu=pe("OscLinkService"),Qu=pe("UnicodeService"),Zu=pe("DecorationService");var Hs={trace:0,debug:1,info:2,warn:3,error:4,off:5},Ws="xterm.js: ",ci=class extends B{constructor(t){super();this._optionsService=t;this._logLevel=5;this._updateLogLevel(),this._register(this._optionsService.onSpecificOptionChange("logLevel",()=>this._updateLogLevel())),vr=this}get logLevel(){return this._logLevel}_updateLogLevel(){this._logLevel=Hs[this._optionsService.rawOptions.logLevel]}_evalLazyOptionalParams(t){for(let n=0;n<t.length;n++)typeof t[n]=="function"&&(t[n]=t[n]())}_log(t,n,s){this._evalLazyOptionalParams(s),t.call(console,(this._optionsService.options.logger?"":Ws)+n,...s)}trace(t,...n){this._logLevel<=0&&this._log(this._optionsService.options.logger?.trace.bind(this._optionsService.options.logger)??console.log,t,n)}debug(t,...n){this._logLevel<=1&&this._log(this._optionsService.options.logger?.debug.bind(this._optionsService.options.logger)??console.log,t,n)}info(t,...n){this._logLevel<=2&&this._log(this._optionsService.options.logger?.info.bind(this._optionsService.options.logger)??console.info,t,n)}warn(t,...n){this._logLevel<=3&&this._log(this._optionsService.options.logger?.warn.bind(this._optionsService.options.logger)??console.warn,t,n)}error(t,...n){this._logLevel<=4&&this._log(this._optionsService.options.logger?.error.bind(this._optionsService.options.logger)??console.error,t,n)}};ci=Yi([Qi(0,Tr)],ci);var vr;function gr(i){vr=i}var xr=class extends B{constructor(t){if(Ti&&hn()<16){let n={antialias:!1,depth:!1,preserveDrawingBuffer:!0};if(!document.createElement("canvas").getContext("webgl2",n))throw new Error("Webgl2 is only supported on Safari 16 and above")}super();this._preserveDrawingBuffer=t;this._onChangeTextureAtlas=this._register(new D);this.onChangeTextureAtlas=this._onChangeTextureAtlas.event;this._onAddTextureAtlasCanvas=this._register(new D);this.onAddTextureAtlasCanvas=this._onAddTextureAtlasCanvas.event;this._onRemoveTextureAtlasCanvas=this._register(new D);this.onRemoveTextureAtlasCanvas=this._onRemoveTextureAtlasCanvas.event;this._onContextLoss=this._register(new D);this.onContextLoss=this._onContextLoss.event}activate(t){let n=t._core;if(!t.element){this._register(n.onWillOpen(()=>this.activate(t)));return}this._terminal=t;let s=n.coreService,o=n.optionsService,r=n,a=r._renderService,l=r._characterJoinerService,u=r._charSizeService,c=r._coreBrowserService,d=r._decorationService,h=r._logService,f=r._themeService;gr(h),this._renderer=this._register(new ui(t,l,u,c,s,d,o,f,this._preserveDrawingBuffer)),this._register(ee.forward(this._renderer.onContextLoss,this._onContextLoss)),this._register(ee.forward(this._renderer.onChangeTextureAtlas,this._onChangeTextureAtlas)),this._register(ee.forward(this._renderer.onAddTextureAtlasCanvas,this._onAddTextureAtlasCanvas)),this._register(ee.forward(this._renderer.onRemoveTextureAtlasCanvas,this._onRemoveTextureAtlasCanvas)),a.setRenderer(this._renderer),this._register(O(()=>{if(this._terminal._core._store._isDisposed)return;let I=this._terminal._core._renderService;I.setRenderer(this._terminal._core._createRenderer()),I.handleResize(t.cols,t.rows)}))}get textureAtlas(){return this._renderer?.textureAtlas}clearTextureAtlas(){this._renderer?.clearTextureAtlas()}};export{xr as WebglAddon};
//# sourceMappingURL=addon-webgl.mjs.map
