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Properly dispose of atlas event

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This commit is contained in:
Daniel Imms
2022-10-30 15:00:27 -07:00
parent 04041d030f
commit dda3f5f545
2 changed files with 9 additions and 8 deletions
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addons/xterm-addon-canvas/src/BaseRenderLayer.ts
+4 -5
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@@ -15,7 +15,7 @@ import { ReadonlyColorSet } from 'browser/Types';
import { CellData } from 'common/buffer/CellData';
import { WHITESPACE_CELL_CODE } from 'common/buffer/Constants';
import { IBufferService, IDecorationService, IOptionsService } from 'common/services/Services';
import { ICellData } from 'common/Types';
import { ICellData, IDisposable } from 'common/Types';
import { Terminal } from 'xterm';
import { IRenderLayer } from './Types';
import { CellColorResolver } from 'browser/renderer/shared/CellColorResolver';
@@ -38,9 +38,9 @@ export abstract class BaseRenderLayer extends Disposable implements IRenderLayer
private _bitmapGenerator: (BitmapGenerator | undefined)[] = [];
protected _charAtlas!: ITextureAtlas;
private _charAtlasDisposable?: IDisposable;
public get canvas(): HTMLCanvasElement { return this._canvas; }
// TODO: Support multiple pages
public get cacheCanvas(): HTMLCanvasElement { return this._charAtlas?.pages[0].canvas!; }
private readonly _onAddTextureAtlasCanvas = this.register(new EventEmitter<HTMLCanvasElement>());
@@ -121,9 +121,9 @@ export abstract class BaseRenderLayer extends Disposable implements IRenderLayer
if (this._deviceCharWidth <= 0 && this._deviceCharHeight <= 0) {
return;
}
this._charAtlasDisposable?.dispose();
this._charAtlas = acquireTextureAtlas(this._terminal, colorSet, this._deviceCellWidth, this._deviceCellHeight, this._deviceCharWidth, this._deviceCharHeight, this._coreBrowserService.dpr);
// TODO: Dispose this when there's a new atlas
forwardEvent(this._charAtlas.onAddTextureAtlasCanvas, this._onAddTextureAtlasCanvas);
this._charAtlasDisposable = forwardEvent(this._charAtlas.onAddTextureAtlasCanvas, this._onAddTextureAtlasCanvas);
this._charAtlas.warmUp();
for (let i = 0; i < this._charAtlas.pages.length; i++) {
this._bitmapGenerator[i] = new BitmapGenerator(this._charAtlas.pages[i].canvas);
@@ -383,7 +383,6 @@ export abstract class BaseRenderLayer extends Disposable implements IRenderLayer
this._bitmapGenerator[glyph.texturePage]?.refresh();
this._charAtlas.pages[glyph.texturePage].hasCanvasChanged = false;
}
// TODO: Create generator if there's a new page
this._ctx.drawImage(
this._bitmapGenerator[glyph.texturePage]?.bitmap || this._charAtlas!.pages[glyph.texturePage].canvas,
glyph.texturePosition.x,