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use crate::matrix::{Matrix, Module};
use std::num::ParseIntError;
use std::str::FromStr;
use std::u8;
pub fn to_dbg_string(matrix: &Matrix) -> String {
let mut res = String::with_capacity(matrix.size * matrix.size);
res.push('\n');
for y in 0..matrix.size {
let mut s = String::with_capacity(matrix.size + 1);
for x in 0..matrix.size {
let c = match matrix.get(x, y) {
Module::Unknown => '?',
Module::Reserved => '*',
Module::Function(true) => '#',
Module::Function(false) => '.',
Module::Data(true) => 'X',
Module::Data(false) => '-',
};
s.push(c);
}
s.push('\n');
res.push_str(&s);
}
res
}
#[derive(Clone, Copy, PartialEq, Eq, Debug)]
pub struct Color {
pub r: u8,
pub g: u8,
pub b: u8,
}
impl Color {
pub fn new(r: u8, g: u8, b: u8) -> Self {
Self { r, g, b }
}
pub fn hex(v: u32) -> Self {
Self {
r: (v >> 16) as u8,
g: (v >> 8) as u8,
b: v as u8,
}
}
pub fn from_4_hex(s: &str) -> Result<Self, ParseColorError> {
let chars: Vec<char> = s.chars().collect();
if chars[0] != '#' {
return Err(ParseColorError);
}
let r = u8::from_str_radix(&chars[1].to_string(), 16)?;
let g = u8::from_str_radix(&chars[2].to_string(), 16)?;
let b = u8::from_str_radix(&chars[3].to_string(), 16)?;
Ok(Color {
r: (r << 4) | r,
g: (g << 4) | g,
b: (b << 4) | b,
})
}
pub fn from_7_hex(s: &str) -> Result<Self, ParseColorError> {
if s[0..1] != *"#" {
return Err(ParseColorError);
}
let r = u8::from_str_radix(&s[1..3], 16)?;
let g = u8::from_str_radix(&s[3..5], 16)?;
let b = u8::from_str_radix(&s[5..7], 16)?;
Ok(Color { r, g, b })
}
pub fn to_hex_str(&self) -> String {
String::from(format!("#{:02x}{:02x}{:02x}", self.r, self.g, self.b))
}
}
#[derive(Debug, Copy, Clone)]
pub struct ParseColorError;
impl FromStr for Color {
type Err = ParseColorError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.len() {
4 => Color::from_4_hex(s),
7 => Color::from_7_hex(s),
_ => Err(ParseColorError),
}
}
}
impl From<ParseIntError> for ParseColorError {
fn from(_: ParseIntError) -> Self {
ParseColorError
}
}