Introduce RenderService

Used to be RenderCoordinator

src/browser/renderer/Types.ts

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+import { IDisposable } from 'common/Types';
+import { IColorSet } from 'browser/Types';
+
+export type CharacterJoinerHandler = (text: string) => [number, number][];
+
+export interface IRenderDimensions {
+  scaledCharWidth: number;
+  scaledCharHeight: number;
+  scaledCellWidth: number;
+  scaledCellHeight: number;
+  scaledCharLeft: number;
+  scaledCharTop: number;
+  scaledCanvasWidth: number;
+  scaledCanvasHeight: number;
+  canvasWidth: number;
+  canvasHeight: number;
+  actualCellWidth: number;
+  actualCellHeight: number;
+}
+
+/**
+ * Note that IRenderer implementations should emit the refresh event after
+ * rendering rows to the screen.
+ */
+export interface IRenderer extends IDisposable {
+  readonly dimensions: IRenderDimensions;
+
+  dispose(): void;
+  setColors(colors: IColorSet): void;
+  onDevicePixelRatioChange(): void;
+  onResize(cols: number, rows: number): void;
+  onCharSizeChanged(): void;
+  onBlur(): void;
+  onFocus(): void;
+  onSelectionChanged(start: [number, number], end: [number, number], columnSelectMode: boolean): void;
+  onCursorMove(): void;
+  onOptionsChanged(): void;
+  clear(): void;
+  renderRows(start: number, end: number): void;
+  registerCharacterJoiner(handler: CharacterJoinerHandler): number;
+  deregisterCharacterJoiner(joinerId: number): boolean;
+}