AbleOS/ableos
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Simplify range check for font

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This commit is contained in:
Elfein Landers 2022-01-26 23:00:25 -08:00
parent fd9c18c744
commit 3206cfd2bc
3 changed files with 21 additions and 24 deletions
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4
ableos/.cargo/config.toml
View file

@ -7,10 +7,6 @@ build-std-features = ["compiler-builtins-mem"]
[target.'cfg(target_arch = "x86_64")']
<<<<<<< HEAD
# --quiet suppresses warning messages from the bootimage crate
=======
>>>>>>> 9bba5ae0fa0b592727d97ff033f639e3e07b2a74
runner = "bootimage runner"
[target.riscv64gc-unknown-none-elf]

40
ableos/src/vga_e.rs
View file

@ -20,6 +20,8 @@ lazy_static::lazy_static! {
pub static ref VGAE_BUFF_OFFSET_Y: spin::Mutex<u8> = spin::Mutex::new(0);
}
const FONT_SCALE: f32 = 1.6;
/// Draw a glyph on the screen at the given position
///
/// # Arguments
@ -31,41 +33,40 @@ pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
// let mode = *VGAE.lock();
let mut mode = SCREEN_BUFFER.lock();
let font = FontRef::try_from_slice(include_bytes!(
let basic_multingual_plane = FontRef::try_from_slice(include_bytes!(
"../../ableos/assets/fonts/unifont-14.0.01.ttf"
))
.unwrap();
let font2 = FontRef::try_from_slice(include_bytes!(
let supplementary_multilingual_plane = FontRef::try_from_slice(include_bytes!(
"../../ableos/assets/fonts/unifont_upper-14.0.01.ttf"
))
.unwrap();
let mut has_char = false;
for x in font.codepoint_ids() {
if x.1 == character {
has_char = true;
break;
}
}
// let mut has_char = false;
// for x in font.codepoint_ids() {
// if x.1 == character {
// has_char = true;
// break;
// }
// }
let used_font;
match has_char {
true => used_font = font,
false => used_font = font2,
}
let is_in_basic_multilingual_plane = character as u32 <= 0xffff;
let font_scale = 1.6;
let plane = match is_in_basic_multilingual_plane {
true => basic_multingual_plane,
false => supplementary_multilingual_plane,
};
match character {
'\n' => {}
_ => {
let mut q_glyph: Glyph = used_font.glyph_id(character).with_scale_and_position(
20.0 * font_scale,
ab_glyph::point(10.0 * font_scale, 18.0 * font_scale),
let q_glyph: Glyph = plane.glyph_id(character).with_scale_and_position(
20.0 * FONT_SCALE,
ab_glyph::point(10.0 * FONT_SCALE, 18.0 * FONT_SCALE),
);
if let Some(q) = used_font.outline_glyph(q_glyph) {
if let Some(q) = plane.outline_glyph(q_glyph) {
q.draw(|x, y, c| {
if c > 0.015 {
let corner = q.px_bounds().min;
@ -80,6 +81,7 @@ pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
}
}
}
/// Converts a number to ... i forgor 💀
pub fn num_to_vga16(num: u8) -> Color16 {
use Color16::*;

1
shadeable/src/pixel_format.rs
View file

@ -1,4 +1,3 @@
#![feature(exclusive_range_pattern)]
use vga::colors::Color16;
pub type Rgba64 = u64;