Prevents blurry anti-aliased borders between picture sampling areas ("pixels") by stretching them so they precisely match (multiples of) physical display points
目前為 2020-07-07 提交的版本，檢視 最新版本。
這裡只顯示彼此間有代碼差異的版本。 顯示所有版本。
Variable background under transparent image: dark, hover = light, clicked = checkerboard.
