eiac/xterm.js
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Support inverse

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This commit is contained in:
Daniel Imms
2017-08-30 23:05:51 -07:00
parent 6a0b9bd209
commit 1291dc5571
2 changed files with 25 additions and 12 deletions
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src/renderer/BackgroundRenderLayer.ts
+14 -3
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@@ -3,6 +3,7 @@ import { IBuffer, ICharMeasure, ITerminal } from '../Interfaces';
import { CHAR_DATA_ATTR_INDEX } from '../Buffer';
import { TANGO_COLORS } from './Color';
import { GridCache } from './GridCache';
import { FLAGS } from './Types';
export class BackgroundRenderLayer implements IRenderLayer {
private _canvas: HTMLCanvasElement;
@@ -34,9 +35,19 @@ export class BackgroundRenderLayer implements IRenderLayer {
let row = y + terminal.buffer.ydisp;
let line = terminal.buffer.lines.get(row);
for (let x = 0; x < terminal.cols; x++) {
const data: number = line[x][CHAR_DATA_ATTR_INDEX];
const bg = data & 0x1ff;
const flags = data >> 18;
const attr: number = line[x][CHAR_DATA_ATTR_INDEX];
let bg = attr & 0x1ff;
const flags = attr >> 18;
// If inverse flag is on, the background should become the foreground.
if (flags & FLAGS.INVERSE) {
bg = (attr >> 9) & 0x1ff;
// TODO: Is this case still needed
if (bg === 257) {
bg = 15;
}
}
const cellState = this._state.cache[x][y];
const needsRefresh = (bg < 16 && cellState !== bg) || cellState !== null;