src/vs/editor/browser/viewParts/minimap/minimap.ts/MinimapBuffers/_createBackgroundFillData
class MinimapBuffers:	private static _createBackgroundFillData(WIDTH: number, HEIGHT: number, background: RGBA8): Uint8ClampedArray {
		const backgroundR = background.r;
		const backgroundG = background.g;
		const backgroundB = background.b;
		const backgroundA = background.a;

		const result = new Uint8ClampedArray(WIDTH * HEIGHT * 4);
		let offset = 0;
		for (let i = 0; i < HEIGHT; i++) {
			for (let j = 0; j < WIDTH; j++) {
				result[offset] = backgroundR;
				result[offset + 1] = backgroundG;
				result[offset + 2] = backgroundB;
				result[offset + 3] = backgroundA;
				offset += 4;
			}
		}

		return result;
	}