199 lines
6.2 KiB
Rust
199 lines
6.2 KiB
Rust
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use cairo::{Context, FontFace, Format, ImageSurface, LineCap, Pattern};
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use glib::Object;
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use gtk::{prelude::*, subclass::prelude::*};
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use std::{cell::RefCell, rc::Rc};
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const WIDTH: i32 = 800;
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const HEIGHT: i32 = 800;
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pub struct SplashPrivate {
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text: Rc<RefCell<String>>,
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time: Rc<RefCell<String>>,
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background: Rc<RefCell<Pattern>>,
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}
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impl SplashPrivate {
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fn set_text(&self, text: String) {
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*self.text.borrow_mut() = text;
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}
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fn set_time(&self, time: String) {
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*self.time.borrow_mut() = time;
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}
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fn redraw_background(&self) {
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let background = ImageSurface::create(Format::Rgb24, WIDTH, HEIGHT).unwrap();
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let context = Context::new(background).unwrap();
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context.push_group();
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context.set_source_rgb(0., 0., 0.);
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let _ = context.paint();
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context.set_font_size(64.);
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let title_extents = context.text_extents(&self.text.borrow()).unwrap();
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context.set_source_rgb(0.7, 0., 1.);
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context.set_line_width(5.);
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context.set_line_cap(LineCap::Round);
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AsymLineReturn {
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orientation: gtk::Orientation::Horizontal,
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start_x: 20.,
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start_y: 20.,
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start_length: 200.,
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center_length: title_extents.y_advance(),
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end_length: 100.,
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width: title_extents.height(),
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}
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.draw(&context);
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let _ = context.stroke();
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let background = context.pop_group().unwrap();
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*self.background.borrow_mut() = background;
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}
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}
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#[glib::object_subclass]
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impl ObjectSubclass for SplashPrivate {
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const NAME: &'static str = "Splash";
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type Type = Splash;
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type ParentType = gtk::DrawingArea;
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fn new() -> SplashPrivate {
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// Set up a default plain black background
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let background = ImageSurface::create(Format::Rgb24, WIDTH, HEIGHT).unwrap();
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let context = Context::new(background).unwrap();
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context.push_group();
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context.set_source_rgb(0., 0., 0.);
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let _ = context.paint();
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let background = context.pop_group().unwrap();
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SplashPrivate {
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text: Rc::new(RefCell::new(String::from(""))),
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time: Rc::new(RefCell::new(String::from(""))),
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background: Rc::new(RefCell::new(background)),
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}
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}
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}
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impl ObjectImpl for SplashPrivate {}
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impl WidgetImpl for SplashPrivate {}
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impl DrawingAreaImpl for SplashPrivate {}
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glib::wrapper! {
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pub struct Splash(ObjectSubclass<SplashPrivate>) @extends gtk::DrawingArea, gtk::Widget;
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}
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impl Splash {
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pub fn new(text: String, time: String) -> Self {
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let s: Self = Object::builder().build();
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s.set_width_request(WIDTH);
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s.set_height_request(HEIGHT);
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s.imp().set_text(text);
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s.imp().set_time(time);
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s.imp().redraw_background();
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s.set_draw_func({
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let s = s.clone();
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move |_, context, _width, _height| {
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let background = s.imp().background.borrow();
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let _ = context.set_source(&*background);
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let _ = context.paint();
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}
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});
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s
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}
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}
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struct AsymLineReturn {
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orientation: gtk::Orientation,
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start_x: f64,
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start_y: f64,
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start_length: f64,
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center_length: f64,
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end_length: f64,
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width: f64,
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}
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impl AsymLineReturn {
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fn draw(&self, context: &Context) {
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match self.orientation {
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gtk::Orientation::Horizontal => {
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context.move_to(self.start_x, self.start_y);
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context.line_to(self.start_x + self.start_length, self.start_y);
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context.line_to(
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self.start_x + self.start_length + self.width.abs(),
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self.start_y + self.width,
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);
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context.line_to(
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self.start_x + self.start_length + self.width.abs() + self.center_length,
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self.start_y + self.width,
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);
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context.line_to(
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self.start_x
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+ self.start_length
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+ self.width.abs()
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+ self.center_length
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+ (self.width.abs() / 2.),
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self.start_y + self.width / 2.,
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);
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context.line_to(
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self.start_x
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+ self.start_length
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+ self.width.abs()
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+ self.center_length
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+ (self.width.abs() / 2.)
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+ self.end_length,
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self.start_y + self.width / 2.,
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);
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}
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gtk::Orientation::Vertical => {
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context.move_to(self.start_x, self.start_y);
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context.line_to(self.start_x, self.start_y + self.start_length);
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context.line_to(
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self.start_x + self.width,
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self.start_y + self.start_length + self.width.abs(),
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);
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context.line_to(
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self.start_x + self.width,
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self.start_y + self.start_length + self.width.abs() + self.center_length,
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);
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context.line_to(
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self.start_x + self.width / 2.,
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self.start_y
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+ self.start_length
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+ self.width.abs()
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+ self.center_length
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+ (self.width.abs() / 2.),
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);
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context.line_to(
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self.start_x + self.width / 2.,
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self.start_y
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+ self.start_length
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+ self.width.abs()
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+ self.center_length
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+ (self.width.abs() / 2.)
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+ self.end_length,
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);
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}
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_ => panic!("unknown orientation"),
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}
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}
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}
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fn main() {
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let app = gtk::Application::builder()
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.application_id("com.luminescent-dreams.cyberpunk-splash")
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.build();
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app.connect_activate(move |app| {
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let window = gtk::ApplicationWindow::new(app);
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window.present();
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window.set_child(Some(&Splash::new("Kifu".to_owned(), "4:23".to_owned())));
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});
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app.run();
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}
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