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/*
* Copyright (C) Oscar Shrimpton 2020
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//! Various types used in parsed BSP files.
use std::convert::TryInto;
/// RGBA Colour (0-255)
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct RGBA {
pub r: u8,
pub g: u8,
pub b: u8,
pub a: u8,
}
impl RGBA {
/// Interpret the given bytes as an RGBA colour.
pub fn from_bytes(bytes: [u8; 4]) -> RGBA {
RGBA {
r: bytes[0],
g: bytes[1],
b: bytes[2],
a: bytes[3],
}
}
/// Convert a slice to an RGBA colour
/// # Panics
/// If slice is not 4 bytes long.
pub fn from_slice(slice: &[u8]) -> RGBA {
RGBA::from_bytes(slice.try_into().unwrap())
}
}
/// RGB Colour (0-255)
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct RGB {
pub r: u8,
pub g: u8,
pub b: u8,
}
impl RGB {
/// 255, 255, 255
pub fn white() -> RGB {
RGB {
r: 255,
g: 255,
b: 255,
}
}
/// Interpret the given bytes as an RGB colour.
pub fn from_bytes(bytes: [u8; 3]) -> RGB {
RGB {
r: bytes[0],
g: bytes[1],
b: bytes[2],
}
}
/// Convert a slice to an RGB colour
/// # Panics
/// If slice is not 3 bytes long.
pub fn from_slice(slice: &[u8]) -> RGB {
RGB::from_bytes(slice.try_into().unwrap())
}
}
#[derive(Debug)]
/// An error encountered while parsing.
pub enum ParseError {
Unsupported,
Invalid,
}
/// Standard result type.
pub type Result<T> = std::result::Result<T, ParseError>;
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