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Rename functions and inherit Number trait

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This commit is contained in:
Brendan Zabarauskas 2012-12-04 11:41:06 +10:00
parent 91fd819b79
commit 60f17d846e
1 changed files with 32 additions and 32 deletions
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64
src/color/channel.rs
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@ -1,7 +1,9 @@
pub trait Channel {
static pure fn channel_max() -> self;
use num::kinds::Number;
pub trait Channel: Number {
static pure fn max() -> self;
static pure fn from_channel<T:Channel>(val: T) -> self;
static pure fn from<T:Channel>(val: T) -> self;
pure fn convert_channel<T:Channel>(&self) -> T;
pure fn to_channel_u8(&self) -> u8;
@ -15,13 +17,11 @@ pub trait Channel {
pure fn inverse(&self) -> self;
}
pub pure fn convert_channel<T:Channel, U:Channel>(val: T) -> U { val.convert_channel() }
pub impl u8: Channel {
#[inline(always)] static pure fn channel_max() -> u8 { 0xFF } // 2^8
#[inline(always)] static pure fn max() -> u8 { 0xFF } // 2^8
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> u8 { val.to_channel_u8() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> u8 { val.to_channel_u8() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self as u16 << 8) | (*self) as u16 }
@ -35,10 +35,10 @@ pub impl u8: Channel {
}
pub impl u16: Channel {
#[inline(always)] static pure fn channel_max() -> u16 { 0xFFFF } // 2^16
#[inline(always)] static pure fn max() -> u16 { 0xFFFF } // 2^16
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> u16 { val.to_channel_u16() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> u16 { val.to_channel_u16() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self >> 8) as u8 } // this is the equivalent of `self/256`. Some folks prefer to do `self/257`
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) }
@ -52,10 +52,10 @@ pub impl u16: Channel {
}
pub impl u32: Channel {
#[inline(always)] static pure fn channel_max() -> u32 { 0xFFFF_FFFF } // 2^32
#[inline(always)] static pure fn max() -> u32 { 0xFFFF_FFFF } // 2^32
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> u32 { val.to_channel_u32() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> u32 { val.to_channel_u32() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self >> 24) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self >> 16) as u16 }
@ -69,10 +69,10 @@ pub impl u32: Channel {
}
pub impl u64: Channel {
#[inline(always)] static pure fn channel_max() -> u64 { 0xFFFF_FFFF_FFFF_FFFF_u64 } // 2^64
#[inline(always)] static pure fn max() -> u64 { 0xFFFF_FFFF_FFFF_FFFF_u64 } // 2^64
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> u64 { val.to_channel_u64() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> u64 { val.to_channel_u64() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self >> 56) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self >> 48) as u16 }
@ -86,14 +86,14 @@ pub impl u64: Channel {
}
pub impl f32: Channel {
#[inline(always)] static pure fn channel_max() -> f32 { 1f32 }
#[inline(always)] static pure fn max() -> f32 { 1f32 }
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> f32 { val.to_channel_f32() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> f32 { val.to_channel_f32() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFF_u8 as f32) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFF_u16 as f32) as u16 }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFF_u8 as f32) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFF_u16 as f32) as u16 }
#[inline(always)] pure fn to_channel_u32(&self) -> u32 { fail(~"to_channel_u32 not yet implemented for f32") }
#[inline(always)] pure fn to_channel_u64(&self) -> u64 { fail(~"to_channel_u64 not yet implemented for f32") }
#[inline(always)] pure fn to_channel_f32(&self) -> f32 { (*self) }
@ -104,13 +104,13 @@ pub impl f32: Channel {
}
pub impl f64: Channel {
#[inline(always)] static pure fn channel_max() -> f64 { 1f64 }
#[inline(always)] static pure fn max() -> f64 { 1f64 }
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> f64 { val.to_channel_f64() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> f64 { val.to_channel_f64() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFFu8 as f64) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFFu16 as f64) as u16 }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFF_u8 as f64) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFF_u16 as f64) as u16 }
#[inline(always)] pure fn to_channel_u32(&self) -> u32 { fail(~"to_channel_u32 not yet implemented for f64") }
#[inline(always)] pure fn to_channel_u64(&self) -> u64 { fail(~"to_channel_u64 not yet implemented for f64") }
#[inline(always)] pure fn to_channel_f32(&self) -> f32 { (*self) as f32 }
@ -121,13 +121,13 @@ pub impl f64: Channel {
}
pub impl float: Channel {
#[inline(always)] static pure fn channel_max() -> float { 1f }
#[inline(always)] static pure fn max() -> float { 1f }
#[inline(always)] static pure fn from_channel<T:Channel>(val: T) -> float { val.to_channel_float() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { from_channel(*self) }
#[inline(always)] static pure fn from<T:Channel>(val: T) -> float { val.to_channel_float() }
#[inline(always)] pure fn convert_channel<T:Channel>(&self) -> T { Channel::from(*self) }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFFu8 as float) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFFu16 as float) as u16 }
#[inline(always)] pure fn to_channel_u8(&self) -> u8 { (*self) * (0xFF_u8 as float) as u8 }
#[inline(always)] pure fn to_channel_u16(&self) -> u16 { (*self) * (0xFFFF_u16 as float) as u16 }
#[inline(always)] pure fn to_channel_u32(&self) -> u32 { fail(~"to_channel_u32 not yet implemented for float") }
#[inline(always)] pure fn to_channel_u64(&self) -> u64 { fail(~"to_channel_u64 not yet implemented for float") }
#[inline(always)] pure fn to_channel_f32(&self) -> f32 { (*self) as f32 }