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use std::convert::*; use super::pixel::*; use super::rgb::RGB; use super::rgba::RGBA; macro_rules! rgb_impl_from { ($typename:ident, $from:ty, $to:ty) => { impl From<$typename<$from>> for $typename<$to> { fn from(other: $typename<$from>) -> Self { other.map(|c|c.into()) } } } } rgb_impl_from!{RGB, u8,i16} rgb_impl_from!{RGB, u16,i32} rgb_impl_from!{RGB, u8,f32} rgb_impl_from!{RGB, u8,f64} rgb_impl_from!{RGB, u16,f32} rgb_impl_from!{RGB, u16,f64} rgb_impl_from!{RGB, i16,f32} rgb_impl_from!{RGB, i16,f64} rgb_impl_from!{RGB, i32,f64} rgb_impl_from!{RGB, f32,f64} rgb_impl_from!{RGBA, u16,i32} rgb_impl_from!{RGBA, u8,f32} rgb_impl_from!{RGBA, u8,f64} rgb_impl_from!{RGBA, u16,f32} rgb_impl_from!{RGBA, u16,f64} rgb_impl_from!{RGBA, i16,f32} rgb_impl_from!{RGBA, i16,f64} rgb_impl_from!{RGBA, i32,f64} rgb_impl_from!{RGBA, f32,f64}