webmin/xterm/xterm-addon-canvas.js

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2024-05-08 15:37:22 +03:00
// 0.7.0
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.CanvasAddon=t():e.CanvasAddon=t()}(self,(()=>(()=>{"use strict";var e={903:(e,t,i)=>{Object.defineProperty(t,"__esModule",{value:!0}),t.BaseRenderLayer=void 0;const s=i(274),r=i(627),o=i(237),n=i(860),a=i(374),h=i(296),l=i(345),c=i(859),d=i(399),_=i(855);class u extends c.Disposable{get canvas(){return this._canvas}get cacheCanvas(){return this._charAtlas?.pages[0].canvas}constructor(e,t,i,r,o,n,a,d,_,u){super(),this._terminal=e,this._container=t,this._alpha=o,this._themeService=n,this._bufferService=a,this._optionsService=d,this._decorationService=_,this._coreBrowserService=u,this._deviceCharWidth=0,this._deviceCharHeight=0,this._deviceCellWidth=0,this._deviceCellHeight=0,this._deviceCharLeft=0,this._deviceCharTop=0,this._selectionModel=(0,h.createSelectionRenderModel)(),this._bitmapGenerator=[],this._charAtlasDisposable=this.register(new c.MutableDisposable),this._onAddTextureAtlasCanvas=this.register(new l.EventEmitter),this.onAddTextureAtlasCanvas=this._onAddTextureAtlasCanvas.event,this._cellColorResolver=new s.CellColorResolver(this._terminal,this._optionsService,this._selectionModel,this._decorationService,this._coreBrowserService,this._themeService),this._canvas=this._coreBrowserService.mainDocument.createElement("canvas"),this._canvas.classList.add(`xterm-${i}-layer`),this._canvas.style.zIndex=r.toString(),this._initCanvas(),this._container.appendChild(this._canvas),this._refreshCharAtlas(this._themeService.colors),this.register(this._themeService.onChangeColors((e=>{this._refreshCharAtlas(e),this.reset(),this.handleSelectionChanged(this._selectionModel.selectionStart,this._selectionModel.selectionEnd,this._selectionModel.columnSelectMode)}))),this.register((0,c.toDisposable)((()=>{this._canvas.remove()})))}_initCanvas(){this._ctx=(0,a.throwIfFalsy)(this._canvas.getContext("2d",{alpha:this._alpha})),this._alpha||this._clearAll()}handleBlur(){}handleFocus(){}handleCursorMove(){}handleGridChanged(e,t){}handleSelectionChanged(e,t,i=!1){this._selectionModel.update(this._terminal._core,e,t,i)}_setTransparency(e){if(e===this._alpha)return;const t=this._canvas;this._alpha=e,this._canvas=this._canvas.cloneNode(),this._initCanvas(),this._container.replaceChild(this._canvas,t),this._refreshCharAtlas(this._themeService.colors),this.handleGridChanged(0,this._bufferService.rows-1)}_refreshCharAtlas(e){if(!(this._deviceCharWidth<=0&&this._deviceCharHeight<=0)){this._charAtlas=(0,r.acquireTextureAtlas)(this._terminal,this._optionsService.rawOptions,e,this._deviceCellWidth,this._deviceCellHeight,this._deviceCharWidth,this._deviceCharHeight,this._coreBrowserService.dpr),this._charAtlasDisposable.value=(0,l.forwardEvent)(this._charAtlas.onAddTextureAtlasCanvas,this._onAddTextureAtlasCanvas),this._charAtlas.warmUp();for(let e=0;e<this._charAtlas.pages.length;e++)this._bitmapGenerator[e]=new g(this._charAtlas.pages[e].canvas)}}resize(e){this._deviceCellWidth=e.device.cell.width,this._deviceCellHeight=e.device.cell.height,this._deviceCharWidth=e.device.char.width,this._deviceCharHeight=e.device.char.height,this._deviceCharLeft=e.device.char.left,this._deviceCharTop=e.device.char.top,this._canvas.width=e.device.canvas.width,this._canvas.height=e.device.canvas.height,this._canvas.style.width=`${e.css.canvas.width}px`,this._canvas.style.height=`${e.css.canvas.height}px`,this._alpha||this._clearAll(),this._refreshCharAtlas(this._themeService.colors)}clearTextureAtlas(){this._charAtlas?.clearTexture()}_fillCells(e,t,i,s){this._ctx.fillRect(e*this._deviceCellWidth,t*this._deviceCellHeight,i*this._deviceCellWidth,s*this._deviceCellHeight)}_fillMiddleLineAtCells(e,t,i=1){const s=Math.ceil(.5*this._deviceCellHeight);this._ctx.fillRect(e*this._deviceCellWidth,(t+1)*this._deviceCellHeight-s-this._coreBrowserService.dpr,i*this._deviceCellWidth,this._coreBrowserService.dpr)}_fillBottomLineAtCells(e,t,i=1,s=0){this._ctx.fillRect(e*this._deviceCellWidth,(t+1)*this._deviceCellHeight