forked from AbleOS/ableos
Simplify range check for font
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fd9c18c744
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3206cfd2bc
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@ -7,10 +7,6 @@ build-std-features = ["compiler-builtins-mem"]
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[target.'cfg(target_arch = "x86_64")']
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<<<<<<< HEAD
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# --quiet suppresses warning messages from the bootimage crate
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=======
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>>>>>>> 9bba5ae0fa0b592727d97ff033f639e3e07b2a74
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runner = "bootimage runner"
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[target.riscv64gc-unknown-none-elf]
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@ -20,6 +20,8 @@ lazy_static::lazy_static! {
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pub static ref VGAE_BUFF_OFFSET_Y: spin::Mutex<u8> = spin::Mutex::new(0);
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}
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const FONT_SCALE: f32 = 1.6;
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/// Draw a glyph on the screen at the given position
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///
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/// # Arguments
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@ -31,41 +33,40 @@ pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
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// let mode = *VGAE.lock();
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let mut mode = SCREEN_BUFFER.lock();
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let font = FontRef::try_from_slice(include_bytes!(
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let basic_multingual_plane = FontRef::try_from_slice(include_bytes!(
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"../../ableos/assets/fonts/unifont-14.0.01.ttf"
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))
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.unwrap();
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let font2 = FontRef::try_from_slice(include_bytes!(
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let supplementary_multilingual_plane = FontRef::try_from_slice(include_bytes!(
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"../../ableos/assets/fonts/unifont_upper-14.0.01.ttf"
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))
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.unwrap();
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let mut has_char = false;
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for x in font.codepoint_ids() {
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if x.1 == character {
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has_char = true;
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break;
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}
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}
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// let mut has_char = false;
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// for x in font.codepoint_ids() {
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// if x.1 == character {
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// has_char = true;
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// break;
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// }
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// }
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let used_font;
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match has_char {
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true => used_font = font,
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false => used_font = font2,
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}
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let is_in_basic_multilingual_plane = character as u32 <= 0xffff;
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let font_scale = 1.6;
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let plane = match is_in_basic_multilingual_plane {
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true => basic_multingual_plane,
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false => supplementary_multilingual_plane,
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};
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match character {
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'\n' => {}
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_ => {
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let mut q_glyph: Glyph = used_font.glyph_id(character).with_scale_and_position(
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20.0 * font_scale,
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ab_glyph::point(10.0 * font_scale, 18.0 * font_scale),
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let q_glyph: Glyph = plane.glyph_id(character).with_scale_and_position(
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20.0 * FONT_SCALE,
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ab_glyph::point(10.0 * FONT_SCALE, 18.0 * FONT_SCALE),
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);
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if let Some(q) = used_font.outline_glyph(q_glyph) {
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if let Some(q) = plane.outline_glyph(q_glyph) {
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q.draw(|x, y, c| {
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if c > 0.015 {
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let corner = q.px_bounds().min;
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@ -80,6 +81,7 @@ pub fn draw_char(x: u8, y: u8, character: char, color: Rgba64) {
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}
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}
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}
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/// Converts a number to ... i forgor 💀
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pub fn num_to_vga16(num: u8) -> Color16 {
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use Color16::*;
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@ -1,4 +1,3 @@
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#![feature(exclusive_range_pattern)]
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use vga::colors::Color16;
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pub type Rgba64 = u64;
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