2016-02-21 23:20:03 +00:00
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extern crate fontconfig;
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extern crate freetype;
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extern crate libc;
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2016-02-24 04:42:58 +00:00
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extern crate glutin;
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extern crate gl;
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extern crate cgmath;
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2016-02-25 03:08:57 +00:00
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extern crate euclid;
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2016-02-21 23:20:03 +00:00
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2016-04-10 23:19:39 +00:00
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use std::collections::HashMap;
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2016-02-21 23:20:03 +00:00
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mod list_fonts;
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2016-02-22 03:44:54 +00:00
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mod text;
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2016-02-26 04:59:21 +00:00
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mod renderer;
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2016-04-10 23:19:39 +00:00
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mod grid;
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2016-02-21 23:20:03 +00:00
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2016-02-26 04:59:21 +00:00
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use renderer::{Glyph, QuadRenderer};
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2016-02-27 22:45:38 +00:00
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use text::FontDesc;
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2016-04-10 23:19:39 +00:00
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use grid::Grid;
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2016-02-24 04:42:58 +00:00
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2016-04-10 23:19:39 +00:00
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static INIT_LIST: &'static str = "abcdefghijklmnopqrstuvwxyz\
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ABCDEFGHIJKLMNOPQRSTUVWXYZ\
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01234567890\
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2016-04-11 15:05:19 +00:00
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~`!@#$%^&*()[]{}-_=+\\|\"/?.,<>;:";
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2016-02-24 04:42:58 +00:00
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2016-02-21 16:15:41 +00:00
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fn main() {
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2016-02-24 04:42:58 +00:00
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let window = glutin::Window::new().unwrap();
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let (width, height) = window.get_inner_size_pixels().unwrap();
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unsafe {
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2016-02-26 05:02:18 +00:00
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window.make_current().unwrap();
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}
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2016-02-24 04:42:58 +00:00
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unsafe {
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gl::load_with(|symbol| window.get_proc_address(symbol) as *const _);
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gl::Viewport(0, 0, width as i32, height as i32);
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}
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2016-02-28 04:26:31 +00:00
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let (dpi_x, dpi_y) = window.get_dpi().unwrap();
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let dpr = window.hidpi_factor();
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2016-04-11 15:05:19 +00:00
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let font_size = 11.0;
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2016-04-10 23:19:39 +00:00
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let sep_x = 2;
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2016-04-11 15:05:19 +00:00
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let sep_y = 5;
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2016-04-10 23:19:39 +00:00
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2016-04-11 15:05:19 +00:00
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let desc = FontDesc::new("DejaVu Sans Mono", "Book");
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2016-02-28 04:26:31 +00:00
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let mut rasterizer = text::Rasterizer::new(dpi_x, dpi_y, dpr);
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2016-02-26 04:59:21 +00:00
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2016-04-10 23:19:39 +00:00
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let (cell_width, cell_height) = rasterizer.box_size_for_font(&desc, font_size);
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let num_cols = grid::num_cells_axis(cell_width, sep_x, width);
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let num_rows = grid::num_cells_axis(cell_height, sep_y, height);
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println!("num_cols, num_rows = {}, {}", num_cols, num_rows);
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let mut grid = Grid::new(num_rows as usize, num_cols as usize);
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2016-04-11 15:05:19 +00:00
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// let contents = [
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// "for (row, line) in contents.iter().enumerate() {",
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// " for (i, c) in line.chars().enumerate() {",
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// " grid[row][i] = grid::Cell::new(Some(c.escape_default().collect()));",
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// " }",
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// "}"];
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let contents = include_str!("grid.rs");
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let mut row = 0usize;
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let mut col = 0;
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for (i, c) in contents.chars().enumerate() {
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if c == '\n' {
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row += 1;
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col = 0;
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continue;
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}
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if row >= (num_rows as usize) {
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break;
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}
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if col >= grid.cols() {
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continue;
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}
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grid[row][col] = grid::Cell::new(Some(c.escape_default().collect()));
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col += 1;
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}
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2016-04-10 23:19:39 +00:00
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let mut glyph_cache = HashMap::new();
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for c in INIT_LIST.chars() {
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let glyph = Glyph::new(&rasterizer.get_glyph(&desc, font_size, c));
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let string: String = c.escape_default().collect();
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glyph_cache.insert(string, glyph);
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}
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2016-02-24 04:42:58 +00:00
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unsafe {
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2016-04-11 15:05:19 +00:00
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// gl::Enable(gl::BLEND);
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// gl::BlendFunc(gl::SRC_ALPHA, gl::ONE_MINUS_SRC_ALPHA);
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2016-02-25 05:02:21 +00:00
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gl::Enable(gl::MULTISAMPLE);
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2016-02-24 04:42:58 +00:00
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}
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2016-02-25 05:02:21 +00:00
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let renderer = QuadRenderer::new(width, height);
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2016-02-24 04:42:58 +00:00
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for event in window.wait_events() {
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unsafe {
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gl::ClearColor(0.08, 0.08, 0.08, 1.0);
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gl::Clear(gl::COLOR_BUFFER_BIT);
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}
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2016-04-10 23:19:39 +00:00
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for i in 0..grid.rows() {
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let row = &grid[i];
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for j in 0..row.cols() {
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let cell = &row[j];
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if let Some(ref c) = cell.character {
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if let Some(glyph) = glyph_cache.get(&c[..]) {
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let y = (cell_height as f32 + sep_y as f32) * (i as f32);
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let x = (cell_width as f32 + sep_x as f32) * (j as f32);
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let y_inverted = (height as f32) - y - (cell_height as f32);
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renderer.render(glyph, x, y_inverted);
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}
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}
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}
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}
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2016-02-24 04:42:58 +00:00
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2016-02-26 05:02:18 +00:00
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window.swap_buffers().unwrap();
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2016-02-24 04:42:58 +00:00
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match event {
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glutin::Event::Closed => break,
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_ => ()
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}
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}
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}
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