| use crate::{RawImage, RawPixel, SubtractBlack}; | |
| impl RawImage { | |
| pub fn scale_to_16bit_fn(&self) -> impl Fn(RawPixel) -> u16 + use<> { | |
| let black_level = match self.black { | |
| SubtractBlack::CfaGrid(x) => x, | |
| _ => unreachable!(), | |
| }; | |
| let maximum = self.maximum - black_level.iter().max().unwrap(); | |
| let scale_to_16bit_multiplier = if maximum > 0 { u16::MAX as f64 / maximum as f64 } else { 1. }; | |
| move |pixel: RawPixel| ((pixel.value as f64) * scale_to_16bit_multiplier).min(u16::MAX as f64).max(0.) as u16 | |
| } | |
| } | |