Render the grid of the goban

This commit is contained in:
Savanni D'Gerinel 2024-03-23 23:24:06 -04:00
parent 556f91b70b
commit 30e7bdb817
1 changed files with 108 additions and 0 deletions

View File

@ -44,6 +44,7 @@ use gtk::{
subclass::prelude::*,
};
use image::io::Reader as ImageReader;
use otg_core::Color;
use std::{cell::RefCell, io::Cursor, rc::Rc};
const WIDTH: i32 = 800;
@ -140,5 +141,112 @@ impl Goban {
ctx.set_source_rgb(0.7, 0.7, 0.7);
let _ = ctx.paint();
let board = self.imp().board_state.borrow();
ctx.set_source_rgb(0.1, 0.1, 0.1);
ctx.set_line_width(2.);
let hspace_between = ((width - 40) as f64) / ((board.size.width - 1) as f64);
let vspace_between = ((height - 40) as f64) / ((board.size.height - 1) as f64);
let pen = Pen {
x_offset: MARGIN as f64,
y_offset: MARGIN as f64,
hspace_between,
vspace_between,
};
(0..board.size.width).for_each(|col| {
ctx.move_to(
(MARGIN as f64) + (col as f64) * hspace_between,
MARGIN as f64,
);
ctx.line_to(
(MARGIN as f64) + (col as f64) * hspace_between,
(height as f64) - (MARGIN as f64),
);
let _ = ctx.stroke();
});
(0..board.size.height).for_each(|row| {
ctx.move_to(
MARGIN as f64,
(MARGIN as f64) + (row as f64) * vspace_between,
);
ctx.line_to(
(width - MARGIN) as f64,
(MARGIN as f64) + (row as f64) * vspace_between,
);
let _ = ctx.stroke();
});
vec![3, 9, 15].into_iter().for_each(|col| {
vec![3, 9, 15].into_iter().for_each(|row| {
pen.star_point(ctx, col, row);
});
});
}
}
struct Pen {
x_offset: f64,
y_offset: f64,
hspace_between: f64,
vspace_between: f64,
}
impl Pen {
fn star_point(&self, context: &cairo::Context, row: u8, col: u8) {
context.arc(
self.x_offset + (col as f64) * self.hspace_between,
self.y_offset + (row as f64) * self.vspace_between,
5.,
0.,
2. * std::f64::consts::PI,
);
let _ = context.fill();
}
fn stone(
&self,
context: &cairo::Context,
row: u8,
col: u8,
color: Color,
liberties: Option<u8>,
) {
match color {
Color::White => context.set_source_rgb(0.9, 0.9, 0.9),
Color::Black => context.set_source_rgb(0.0, 0.0, 0.0),
};
self.draw_stone(context, row, col);
if let Some(liberties) = liberties {
let stone_location = self.stone_location(row, col);
context.set_source_rgb(1., 0., 1.);
context.set_font_size(32.);
context.move_to(stone_location.0 - 10., stone_location.1 + 10.);
let _ = context.show_text(&format!("{}", liberties));
}
}
fn ghost_stone(&self, context: &cairo::Context, row: u8, col: u8, color: Color) {
match color {
Color::White => context.set_source_rgba(0.9, 0.9, 0.9, 0.5),
Color::Black => context.set_source_rgba(0.0, 0.0, 0.0, 0.5),
};
self.draw_stone(context, row, col);
}
fn draw_stone(&self, context: &cairo::Context, row: u8, col: u8) {
let radius = self.hspace_between / 2. - 2.;
let (x_loc, y_loc) = self.stone_location(row, col);
context.arc(x_loc, y_loc, radius, 0.0, 2.0 * std::f64::consts::PI);
let _ = context.fill();
}
fn stone_location(&self, row: u8, col: u8) -> (f64, f64) {
(
self.x_offset + (col as f64) * self.hspace_between,
self.y_offset + (row as f64) * self.vspace_between,
)
}
}