58 lines
1.6 KiB
TypeScript
58 lines
1.6 KiB
TypeScript
import { BufferLocation, Char, Color, SPACE } from "./base.ts";
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import { describe, expect, it } from "./testing.ts";
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import { Display } from "./display.ts";
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import { TextUI } from "./ui.ts";
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describe(TextUI, () => {
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it("maps a full RGB color palette directly", async () => {
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const palette = [
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{ r: 0.0, g: 0.0, b: 0.0 },
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{ r: 1.0, g: 0.0, b: 0.0 },
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];
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const display = new PaletteTestDisplay(palette);
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const ui = new TextUI(display, { palette });
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await ui.init();
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ui.drawing.color(1, 0).text("x", { x: 0, y: 0 });
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await ui.flush();
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expect(display.last).toEqual({ ch: "x", bg: 0, fg: 1 });
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});
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it("finds the best match for a color in a limited palette", async () => {
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const app_palette = [
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{ r: 0.0, g: 0.0, b: 1.0 },
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{ r: 0.0, g: 0.0, b: 0.0 },
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];
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const display_palette = [
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{ r: 1.0, g: 1.0, b: 1.0 },
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{ r: 0.1, g: 0.2, b: 0.8 },
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{ r: 0.1, g: 0.2, b: 0.1 },
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];
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const display = new PaletteTestDisplay(display_palette);
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const ui = new TextUI(display, { palette: app_palette });
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await ui.init();
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ui.drawing.color(0, 1).text("x", { x: 0, y: 0 });
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await ui.flush();
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expect(display.last).toEqual({ ch: "x", bg: 2, fg: 1 });
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});
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});
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class PaletteTestDisplay extends Display {
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last = SPACE;
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constructor(public palette: Color[]) {
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super();
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}
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async getSize() {
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return { w: 1, h: 1 };
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}
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async setupPalette(colors: readonly Color[]): Promise<readonly Color[]> {
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return this.palette;
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}
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async setChar(at: BufferLocation, char: Char): Promise<void> {
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this.last = char;
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}
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}
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