114 lines
3.1 KiB
Rust
114 lines
3.1 KiB
Rust
use {
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ab_glyph::{Font, FontRef, Glyph},
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vga::{
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colors::Color16,
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writers::{Graphics640x480x16, GraphicsWriter},
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},
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};
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lazy_static::lazy_static! {
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pub static ref VGAE: spin::Mutex<Graphics640x480x16> = {
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let xyz = Graphics640x480x16::new();
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xyz.set_mode();
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spin::Mutex::new(xyz)
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};
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pub static ref VGAE_BUFF_OFFSET_X: spin::Mutex<u8> = spin::Mutex::new(0);
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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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pub fn test_it_fucko() {
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let mode = Graphics640x480x16::new();
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mode.set_mode();
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mode.clear_screen(Color16::Black);
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mode.draw_line((80, 60), (80, 420), Color16::White);
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mode.draw_line((80, 60), (540, 60), Color16::White);
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{
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let offset = 110;
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mode.draw_character(offset - 15 - 4, 60 + 15 - 4, 'x', Color16::Red);
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mode.draw_line(
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(offset.try_into().unwrap(), 60),
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(offset.try_into().unwrap(), 90),
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Color16::White,
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);
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}
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mode.draw_line((80, 420), (540, 420), Color16::White);
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mode.draw_line((540, 420), (540, 60), Color16::White);
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mode.draw_line((80, 90), (540, 90), Color16::White);
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for (offset, character) in "ableOS".chars().enumerate() {
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mode.draw_character(270 + offset * 8, 72, character, Color16::White)
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}
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}
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pub trait GraphicsAPI {
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fn add_shader() {}
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}
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pub fn draw_char(character: char, _offset: usize) {
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let mode = *VGAE.lock();
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let mut offset_x = VGAE_BUFF_OFFSET_X.lock();
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let mut offset_y = VGAE_BUFF_OFFSET_Y.lock();
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if *offset_x == 39 {
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*offset_x = 0;
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*offset_y += 1;
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}
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let font = 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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"../../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 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 font_scale = 1.6;
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match character {
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'\n' => {}
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_ => {
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let 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(
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*offset_x as f32 * (10.0 * font_scale),
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*offset_y as f32 + (18.0 * font_scale),
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),
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);
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if let Some(q) = used_font.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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mode.set_pixel(
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x as usize + corner.x as usize,
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y as usize + corner.y as usize,
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Color16::Green,
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);
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}
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});
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}
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*offset_x += 1;
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}
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}
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}
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