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pub use super::basic::{BasicFonts, BASIC_UNICODE};
pub use super::block::{BlockFonts, BLOCK_UNICODE};
pub use super::box_chars::{BoxFonts, BOX_UNICODE};
pub use super::greek::{GreekFonts, GREEK_UNICODE};
pub use super::hiragana::{HiraganaFonts, HIRAGANA_UNICODE};
pub use super::latin::{LatinFonts, LATIN_UNICODE};
use super::legacy::NOTHING_TO_DISPLAY;
pub use super::misc::{MiscFonts, MISC_UNICODE};
pub use super::sga::{SgaFonts, SGA_UNICODE};
#[cfg(feature = "std")]
pub use std::string::FromUtf16Error;
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct FontUnicode(pub char, pub [u8; 8]);
impl FontUnicode {
pub fn char(&self) -> char {
self.0
}
pub fn byte_array(&self) -> [u8; 8] {
self.1
}
#[cfg(feature = "std")]
pub fn to_string(&self) -> String {
self.0.to_string()
}
pub fn is_whitespace(&self) -> bool {
self.1 == NOTHING_TO_DISPLAY
}
pub fn into_inner(self) -> (char, [u8; 8]) {
self.into()
}
}
impl Into<char> for FontUnicode {
fn into(self) -> char {
self.0
}
}
impl Into<[u8; 8]> for FontUnicode {
fn into(self) -> [u8; 8] {
self.1
}
}
impl Into<(char, [u8; 8])> for FontUnicode {
fn into(self) -> (char, [u8; 8]) {
(self.0, self.1)
}
}
pub trait UnicodeFonts {
fn get(&self, key: char) -> Option<[u8; 8]>;
fn get_font(&self, key: char) -> Option<FontUnicode>;
fn iter(&self) -> ::core::slice::Iter<FontUnicode>;
#[cfg(feature = "std")]
fn print_set(&self);
#[cfg(feature = "std")]
fn to_vec(&self) -> Vec<(char, FontUnicode)>;
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn font_unicode_converts_into_char() {
let my_font = FontUnicode('á', [110u8; 8]);
let ch: char = my_font.into();
assert_eq!(ch, 'á');
}
#[test]
fn font_unicode_converts_into_byte_array() {
let my_font = FontUnicode('C', NOTHING_TO_DISPLAY);
let byte_array: [u8; 8] = my_font.into();
assert_eq!(byte_array, NOTHING_TO_DISPLAY);
}
#[test]
fn font_unicode_converts_into_inner_tuple() {
let my_font = FontUnicode('Á', [110u8; 8]);
let font_tuple: (char, [u8; 8]) = my_font.into();
assert_eq!(font_tuple, ('Á', [110u8; 8]));
}
#[test]
fn font_unicode_api_method_unicode_returns_char() {
let my_font = FontUnicode('ñ', [0x20; 8]);
assert_eq!(my_font.char(), 'ñ');
}
#[test]
fn font_unicode_api_method_byte_array_returns_array_with_8_bytes() {
let my_font = FontUnicode('Ñ', [0x20; 8]);
assert_eq!(my_font.byte_array(), [0x20; 8]);
}
#[cfg(feature = "std")]
#[test]
fn font_unicode_api_method_to_string_returns_string_from_unicode() {
let my_font = FontUnicode('Ñ', [0x20; 8]);
assert_eq!(my_font.to_string(), "Ñ".to_string());
}
#[cfg(feature = "std")]
#[test]
fn font_unicode_api_method_is_whitespace_returns_bool() {
let my_font = FontUnicode('Ñ', [0x20; 8]);
assert_eq!(my_font.is_whitespace(), false);
let my_font = FontUnicode('Ñ', NOTHING_TO_DISPLAY);
assert!(my_font.is_whitespace());
}
#[test]
fn font_unicode_api_method_into_inner_returns_inner_tuple() {
let my_font = FontUnicode('Á', [110u8; 8]);
assert_eq!(my_font.into_inner(), ('Á', [110u8; 8]));
}
}