get rid of getPhysicalRect in lightenRect since coordinate of each pixel is already transformed in setPixel
get rid of getPhysicalRect in lightenRect
since coordinate of each pixel is already transformed in setPixel

houqp/koreader-base,Hzj-jie/koreader-base,apletnev/koreader-base,houqp/koreader-base,NiLuJe/koreader-base,frankyifei/koreader-base,koreader/koreader-base,Frenzie/koreader-base,Frenzie/koreader-base,frankyifei/koreader-base,Hzj-jie/koreader-base,Frenzie/koreader-base,apletnev/koreader-base,apletnev/koreader-base,Hzj-jie/koreader-base,apletnev/koreader-base,Hzj-jie/koreader-base,NiLuJe/koreader-base,frankyifei/koreader-base,Frenzie/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,NiLuJe/koreader-base,koreader/koreader-base,houqp/koreader-base,koreader/koreader-base,houqp/koreader-base,frankyifei/koreader-base