src/vs/editor/browser/viewParts/minimap/minimapCharRenderer.ts/MinimapCharRenderer/soften
class MinimapCharRenderer:	private static soften(input: Uint8ClampedArray, ratio: number): Uint8ClampedArray {
		const result = new Uint8ClampedArray(input.length);
		for (let i = 0, len = input.length; i < len; i++) {
			result[i] = toUint8(input[i] * ratio);
		}
		return result;
	}