use { ab_glyph::{Font, FontRef, Glyph}, vga::{ colors::Color16, writers::{Graphics640x480x16, GraphicsWriter}, }, }; lazy_static::lazy_static! { pub static ref VGAE: spin::Mutex = { let xyz = Graphics640x480x16::new(); xyz.set_mode(); spin::Mutex::new(xyz) }; pub static ref VGAE_BUFF_OFFSET_X: spin::Mutex = spin::Mutex::new(0); pub static ref VGAE_BUFF_OFFSET_Y: spin::Mutex = spin::Mutex::new(0); } pub fn draw_char(previous_character: Option, character: char, _offset: usize) { let mode = *VGAE.lock(); let mut offset_x = VGAE_BUFF_OFFSET_X.lock(); let mut offset_y = VGAE_BUFF_OFFSET_Y.lock(); if *offset_x == 39 { *offset_x = 0; *offset_y += 1; } let font = FontRef::try_from_slice(include_bytes!( "../../ableos/assets/fonts/unifont-14.0.01.ttf" )) .unwrap(); let font2 = 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 used_font; match has_char { true => used_font = font, false => used_font = font2, } let font_scale = 1.6; match character { '\n' => {} _ => { let previous_glyph: Glyph = used_font .glyph_id(previous_character.unwrap_or(' ')) .with_scale_and_position( 20.0 * font_scale, ab_glyph::point( *offset_x as f32 * (10.0 * font_scale), *offset_y as f32 + (18.0 * font_scale), ), ); let mut q_glyph: Glyph = used_font.glyph_id(character).with_scale_and_position( 20.0 * font_scale, ab_glyph::point( *offset_x as f32 * (10.0 * font_scale), *offset_y as f32 + (18.0 * font_scale), ), ); { // figure it our latter bruh let spacing = used_font.kern_unscaled(previous_glyph.id, q_glyph.id); // info!("{spacing} {:?} {:?}", previous_glyph.id, q_glyph.id); q_glyph.position.x += spacing * font_scale; } if let Some(q) = used_font.outline_glyph(q_glyph) { q.draw(|x, y, c| { if c > 0.015 { let corner = q.px_bounds().min; mode.set_pixel( x as usize + corner.x as usize, y as usize + corner.y as usize, Color16::Green, ); } }); } *offset_x += 1; } } } pub fn num_to_vga16(num: u8) -> Color16 { use Color16::*; match num { 0 => Black, 1 => Blue, 2 => Green, 3 => Cyan, 4 => Red, 5 => Magenta, 6 => Brown, 7 => LightGrey, 8 => DarkGrey, 9 => LightBlue, 10 => LightGreen, 11 => LightCyan, 12 => LightRed, 13 => Pink, 14 => Yellow, 15 => White, // NOTE: Leasve the in _ => Color16::Pink, } }