src/vs/editor/browser/viewParts/minimap/minimapCharRenderer.ts/MinimapCharRenderer/constructor
class MinimapCharRenderer:	constructor(charData: Uint8ClampedArray, public readonly scale: number) {
		this.charDataNormal = MinimapCharRenderer.soften(charData, 12 / 15);
		this.charDataLight = MinimapCharRenderer.soften(charData, 50 / 60);
	}