migrations/egui
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[app] Add demo app slider to change scale of all of Egui

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This commit is contained in:
Emil Ernerfeldt
2020-10-17 23:54:46 +02:00
parent 251cde60f0
commit a4e19d7207
9 changed files with 149 additions and 85 deletions
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43
egui_glium/src/lib.rs
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@@ -27,30 +27,16 @@ pub fn input_to_egui(
use glutin::event::WindowEvent::*;
match event {
CloseRequested | Destroyed => *control_flow = ControlFlow::Exit,
Resized(physical_size) => {
raw_input.screen_size =
egui::vec2(physical_size.width as f32, physical_size.height as f32)
/ raw_input.pixels_per_point.unwrap();
}
ScaleFactorChanged {
scale_factor,
new_inner_size,
} => {
raw_input.pixels_per_point = Some(scale_factor as f32);
raw_input.screen_size =
egui::vec2(new_inner_size.width as f32, new_inner_size.height as f32)
/ (scale_factor as f32);
}
MouseInput { state, .. } => {
raw_input.mouse_down = state == glutin::event::ElementState::Pressed;
}
CursorMoved { position, .. } => {
CursorMoved {
position: pos_in_pixels,
..
} => {
raw_input.mouse_pos = Some(pos2(
position.x as f32 / raw_input.pixels_per_point.unwrap(),
position.y as f32 / raw_input.pixels_per_point.unwrap(),
pos_in_pixels.x as f32 / raw_input.pixels_per_point.unwrap(),
pos_in_pixels.y as f32 / raw_input.pixels_per_point.unwrap(),
));
}
CursorLeft { .. } => {
@@ -213,14 +199,11 @@ pub fn seconds_since_midnight() -> f64 {
time.num_seconds_from_midnight() as f64 + 1e-9 * (time.nanosecond() as f64)
}
pub fn make_raw_input(display: &glium::Display) -> egui::RawInput {
let pixels_per_point = display.gl_window().window().scale_factor() as f32;
egui::RawInput {
screen_size: {
let (width, height) = display.get_framebuffer_dimensions();
vec2(width as f32, height as f32) / pixels_per_point
},
pixels_per_point: Some(pixels_per_point),
..Default::default()
}
pub fn screen_size_in_pixels(display: &glium::Display) -> Vec2 {
let (width_in_pixels, height_in_pixels) = display.get_framebuffer_dimensions();
vec2(width_in_pixels as f32, height_in_pixels as f32)
}
pub fn native_pixels_per_point(display: &glium::Display) -> f32 {
display.gl_window().window().scale_factor() as f32
}