Add a slash meter

This commit is contained in:
Savanni D'Gerinel 2023-04-09 21:07:12 -04:00
parent e7bf84a744
commit bed75dc669
1 changed files with 73 additions and 6 deletions

View File

@ -1,5 +1,6 @@
use cairo::{ use cairo::{
Context, FontSlant, FontWeight, Format, ImageSurface, LineCap, LinearGradient, Pattern, Context, FontSlant, FontWeight, Format, ImageSurface, LineCap, LinearGradient, Pattern,
TextExtents,
}; };
use glib::Object; use glib::Object;
use gtk::{prelude::*, subclass::prelude::*}; use gtk::{prelude::*, subclass::prelude::*};
@ -16,6 +17,7 @@ pub struct SplashPrivate {
text: Rc<RefCell<String>>, text: Rc<RefCell<String>>,
time: Rc<RefCell<Duration>>, time: Rc<RefCell<Duration>>,
background: Rc<RefCell<Pattern>>, background: Rc<RefCell<Pattern>>,
time_extents: Rc<RefCell<Option<TextExtents>>>,
} }
impl SplashPrivate { impl SplashPrivate {
@ -137,6 +139,7 @@ impl ObjectSubclass for SplashPrivate {
text: Rc::new(RefCell::new(String::from(""))), text: Rc::new(RefCell::new(String::from(""))),
time: Rc::new(RefCell::new(Duration::ZERO)), time: Rc::new(RefCell::new(Duration::ZERO)),
background: Rc::new(RefCell::new(background)), background: Rc::new(RefCell::new(background)),
time_extents: Rc::new(RefCell::new(None)),
} }
} }
} }
@ -165,10 +168,14 @@ impl Splash {
let _ = context.set_source(&*background); let _ = context.set_source(&*background);
let _ = context.paint(); let _ = context.paint();
{ let time = s.imp().time.borrow().clone();
let center_x = width as f64 / 2.; let minutes = time.as_secs() / 60;
let center_y = height as f64 / 2.; let seconds = time.as_secs() % 60;
let center_x = width as f64 / 2.;
let center_y = height as f64 / 2.;
{
context.select_font_face( context.select_font_face(
"Alegreya Sans SC", "Alegreya Sans SC",
FontSlant::Normal, FontSlant::Normal,
@ -176,12 +183,15 @@ impl Splash {
); );
context.set_font_size(128.); context.set_font_size(128.);
let time = s.imp().time.borrow().clone();
let minutes = time.as_secs() / 60;
let seconds = time.as_secs() % 60;
let time = format!("{:02}' {:02}\"", minutes, seconds); let time = format!("{:02}' {:02}\"", minutes, seconds);
let time_extents = context.text_extents(&time).unwrap(); let time_extents = context.text_extents(&time).unwrap();
let mut saved_extents = s.imp().time_extents.borrow_mut();
if saved_extents.is_none() {
*saved_extents = Some(time_extents.clone());
}
let time_baseline_x = center_x - time_extents.width() / 2.; let time_baseline_x = center_x - time_extents.width() / 2.;
let time_baseline_y = center_y + 100.; let time_baseline_y = center_y + 100.;
@ -196,6 +206,23 @@ impl Splash {
context.move_to(time_baseline_x, time_baseline_y); context.move_to(time_baseline_x, time_baseline_y);
let _ = context.set_source(gradient); let _ = context.set_source(gradient);
let _ = context.show_text(&time); let _ = context.show_text(&time);
};
match *s.imp().time_extents.borrow() {
Some(extents) => {
context.set_source_rgb(0.7, 0.0, 1.0);
let time_meter = SlashMeter {
orientation: gtk::Orientation::Horizontal,
start_x: center_x + extents.width() / 2. + 50.,
start_y: center_y + 100.,
count: 5,
fill_count: minutes as u8,
height: 60.,
length: 100.,
};
time_meter.draw(&context);
}
None => {}
} }
} }
}); });
@ -308,6 +335,46 @@ impl AsymLine {
} }
} }
struct SlashMeter {
orientation: gtk::Orientation,
start_x: f64,
start_y: f64,
count: u8,
fill_count: u8,
height: f64,
length: f64,
}
impl SlashMeter {
fn draw(&self, context: &Context) {
match self.orientation {
gtk::Orientation::Horizontal => {
let angle: f64 = 0.8;
let run = self.height / angle.tan();
let width = self.length as f64 / (self.count as f64 * 2.);
for c in 0..self.count {
context.set_line_width(1.);
let start_x = self.start_x + c as f64 * width * 2.;
context.move_to(start_x, self.start_y);
context.line_to(start_x + run, self.start_y - self.height);
context.line_to(start_x + run + width, self.start_y - self.height);
context.line_to(start_x + width, self.start_y);
context.line_to(start_x, self.start_y);
if c < self.fill_count {
let _ = context.fill();
} else {
let _ = context.stroke();
}
}
}
gtk::Orientation::Vertical => {}
_ => panic!("unknown orientation"),
}
}
}
fn main() { fn main() {
let app = gtk::Application::builder() let app = gtk::Application::builder()
.application_id("com.luminescent-dreams.cyberpunk-splash") .application_id("com.luminescent-dreams.cyberpunk-splash")