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-rw-r--r--Cargo.toml4
-rw-r--r--examples/resources/Roboto-LICENSE202
-rw-r--r--examples/resources/Roboto-Regular.ttfbin171272 -> 0 bytes
-rw-r--r--examples/resources/ui.pngbin16691 -> 0 bytes
-rw-r--r--native/src/lib.rs2
-rw-r--r--native/src/metrics.rs11
-rw-r--r--native/src/renderer/windowed.rs6
-rw-r--r--src/lib.rs2
-rw-r--r--wgpu/Cargo.toml1
-rw-r--r--wgpu/src/font.rs38
-rw-r--r--wgpu/src/lib.rs1
-rw-r--r--wgpu/src/renderer.rs64
-rw-r--r--winit/Cargo.toml3
-rw-r--r--winit/src/application.rs60
-rw-r--r--winit/src/debug/basic.rs206
-rw-r--r--winit/src/debug/null.rs48
-rw-r--r--winit/src/lib.rs11
17 files changed, 418 insertions, 241 deletions
diff --git a/Cargo.toml b/Cargo.toml
index e8b53066..8f9769b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,6 +11,10 @@ readme = "README.md"
keywords = ["gui", "ui", "graphics", "interface", "widgets"]
categories = ["gui"]
+[features]
+# Enables a debug view in native platforms (press F12)
+debug = ["iced_winit/debug"]
+
[badges]
maintenance = { status = "actively-developed" }
diff --git a/examples/resources/Roboto-LICENSE b/examples/resources/Roboto-LICENSE
deleted file mode 100644
index 75b52484..00000000
--- a/examples/resources/Roboto-LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
-
- Apache License
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- http://www.apache.org/licenses/
-
- TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
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diff --git a/examples/resources/Roboto-Regular.ttf b/examples/resources/Roboto-Regular.ttf
deleted file mode 100644
index 2b6392ff..00000000
--- a/examples/resources/Roboto-Regular.ttf
+++ /dev/null
Binary files differ
diff --git a/examples/resources/ui.png b/examples/resources/ui.png
deleted file mode 100644
index 4fd3beb3..00000000
--- a/examples/resources/ui.png
+++ /dev/null
Binary files differ
diff --git a/native/src/lib.rs b/native/src/lib.rs
index 86bfb3ca..fa72a553 100644
--- a/native/src/lib.rs
+++ b/native/src/lib.rs
@@ -206,7 +206,6 @@ mod element;
mod event;
mod hasher;
mod layout;
-mod metrics;
mod mouse_cursor;
mod node;
mod style;
@@ -225,7 +224,6 @@ pub use element::Element;
pub use event::Event;
pub use hasher::Hasher;
pub use layout::Layout;
-pub use metrics::Metrics;
pub use mouse_cursor::MouseCursor;
pub use node::Node;
pub use renderer::Renderer;
diff --git a/native/src/metrics.rs b/native/src/metrics.rs
deleted file mode 100644
index 7c344b9b..00000000
--- a/native/src/metrics.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-use std::time;
-
-/// A bunch of metrics about an Iced application.
-#[derive(Debug, Clone, Copy)]
-pub struct Metrics {
- pub startup_time: time::Duration,
- pub update_time: time::Duration,
- pub view_time: time::Duration,
- pub renderer_output_time: time::Duration,
- pub message_count: usize,
-}
diff --git a/native/src/renderer/windowed.rs b/native/src/renderer/windowed.rs
index 0499ca70..6e4ae611 100644
--- a/native/src/renderer/windowed.rs
+++ b/native/src/renderer/windowed.rs
@@ -1,4 +1,4 @@
-use crate::{Metrics, MouseCursor};
+use crate::MouseCursor;
use raw_window_handle::HasRawWindowHandle;
@@ -7,10 +7,10 @@ pub trait Windowed: super::Renderer + Sized {
fn new() -> Self;
- fn draw(
+ fn draw<T: AsRef<str>>(
&mut self,
output: &Self::Output,
- metrics: Option<Metrics>,
+ overlay: &[T],
target: &mut Self::Target,
) -> MouseCursor;
}
diff --git a/src/lib.rs b/src/lib.rs
index 1bcdada2..da108804 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@ mod platform;
pub use platform::*;
pub trait Application {
- type Message;
+ type Message: std::fmt::Debug;
fn update(&mut self, message: Self::Message);
diff --git a/wgpu/Cargo.toml b/wgpu/Cargo.toml
index 04fae248..2c212286 100644
--- a/wgpu/Cargo.toml
+++ b/wgpu/Cargo.toml
@@ -14,4 +14,5 @@ wgpu_glyph = { version = "0.4", git = "https://github.com/hecrj/wgpu_glyph", rev
raw-window-handle = "0.3"
image = "0.22"
glam = "0.8"
+font-kit = "0.4"
log = "0.4"
diff --git a/wgpu/src/font.rs b/wgpu/src/font.rs
new file mode 100644
index 00000000..e2838268
--- /dev/null
+++ b/wgpu/src/font.rs
@@ -0,0 +1,38 @@
+pub use font_kit::family_name::FamilyName as Family;
+
+pub struct Source {
+ raw: font_kit::sources::fontconfig::FontconfigSource,
+}
+
+impl Source {
+ pub fn new() -> Self {
+ Source {
+ raw: font_kit::sources::fontconfig::FontconfigSource::new(),
+ }
+ }
+
+ pub fn load(&self, families: &[Family]) -> Vec<u8> {
+ let font = self
+ .raw
+ .select_best_match(
+ families,
+ &font_kit::properties::Properties::default(),
+ )
+ .expect("Find font");
+
+ match font {
+ font_kit::handle::Handle::Path { path, .. } => {
+ use std::io::Read;
+
+ let mut buf = Vec::new();
+ let mut reader = std::fs::File::open(path).expect("Read font");
+ let _ = reader.read_to_end(&mut buf);
+
+ buf
+ }
+ font_kit::handle::Handle::Memory { bytes, .. } => {
+ bytes.as_ref().clone()
+ }
+ }
+ }
+}
diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs
index 01dc4c20..f504897d 100644
--- a/wgpu/src/lib.rs
+++ b/wgpu/src/lib.rs
@@ -1,3 +1,4 @@
+mod font;
mod image;
mod primitive;
mod quad;
diff --git a/wgpu/src/renderer.rs b/wgpu/src/renderer.rs
index 1988dfae..770430ad 100644
--- a/wgpu/src/renderer.rs
+++ b/wgpu/src/renderer.rs
@@ -1,6 +1,6 @@
-use crate::{quad, Image, Primitive, Quad, Transformation};
+use crate::{font, quad, Image, Primitive, Quad, Transformation};
use iced_native::{
- renderer::Debugger, renderer::Windowed, Background, Color, Layout, Metrics,
+ renderer::Debugger, renderer::Windowed, Background, Color, Layout,
MouseCursor, Point, Rectangle, Widget,
};
@@ -62,13 +62,16 @@ impl Renderer {
limits: Limits { max_bind_groups: 2 },
});
- // TODO: Think about font loading strategy
- // Loading system fonts with fallback may be a good idea
- let font: &[u8] =
- include_bytes!("../../examples/resources/Roboto-Regular.ttf");
+ // TODO: Font customization
+ let font_source = font::Source::new();
+ let sans_serif_font = font_source.load(&[font::Family::SansSerif]);
+ let mono_font = font_source.load(&[font::Family::Monospace]);
- let glyph_brush = GlyphBrushBuilder::using_font_bytes(font)
- .build(&mut device, TextureFormat::Bgra8UnormSrgb);
+ let glyph_brush = GlyphBrushBuilder::using_fonts_bytes(vec![
+ sans_serif_font,
+ mono_font,
+ ])
+ .build(&mut device, TextureFormat::Bgra8UnormSrgb);
let quad_pipeline = quad::Pipeline::new(&mut device);
let image_pipeline = crate::image::Pipeline::new(&mut device);
@@ -83,9 +86,10 @@ impl Renderer {
}
}
- fn draw(
+ fn draw<T: AsRef<str>>(
&mut self,
(primitive, mouse_cursor): &(Primitive, MouseCursor),
+ overlay: &[T],
target: &mut Target,
) -> MouseCursor {
log::debug!("Drawing");
@@ -127,6 +131,7 @@ impl Renderer {
));
self.draw_primitive(primitive, &mut layers);
+ self.draw_overlay(overlay, &mut layers);
for layer in layers {
self.flush(transformation, &layer, &mut encoder, &frame.view);
@@ -260,6 +265,41 @@ impl Renderer {
}
}
+ fn draw_overlay<'a, T: AsRef<str>>(
+ &mut self,
+ lines: &'a [T],
+ layers: &mut Vec<Layer<'a>>,
+ ) {
+ let first = layers.first().unwrap();
+ let mut overlay = Layer::new(first.bounds, 0);
+
+ let font_id =
+ wgpu_glyph::FontId(self.glyph_brush.borrow().fonts().len() - 1);
+ let scale = wgpu_glyph::Scale { x: 20.0, y: 20.0 };
+
+ for (i, line) in lines.iter().enumerate() {
+ overlay.text.push(Section {
+ text: line.as_ref(),
+ screen_position: (11.0, 11.0 + 25.0 * i as f32),
+ color: [0.9, 0.9, 0.9, 1.0],
+ scale,
+ font_id,
+ ..Section::default()
+ });
+
+ overlay.text.push(Section {
+ text: line.as_ref(),
+ screen_position: (10.0, 10.0 + 25.0 * i as f32),
+ color: [0.0, 0.0, 0.0, 1.0],
+ scale,
+ font_id,
+ ..Section::default()
+ });
+ }
+
+ layers.push(overlay);
+ }
+
fn flush(
&mut self,
transformation: Transformation,
@@ -328,13 +368,13 @@ impl Windowed for Renderer {
Self::new()
}
- fn draw(
+ fn draw<T: AsRef<str>>(
&mut self,
output: &Self::Output,
- metrics: Option<Metrics>,
+ overlay: &[T],
target: &mut Target,
) -> MouseCursor {
- self.draw(output, target)
+ self.draw(output, overlay, target)
}
}
diff --git a/winit/Cargo.toml b/winit/Cargo.toml
index c8227ac4..2831ba2f 100644
--- a/winit/Cargo.toml
+++ b/winit/Cargo.toml
@@ -7,6 +7,9 @@ description = "A winit runtime for Iced"
license = "MIT"
repository = "https://github.com/hecrj/iced"
+[features]
+debug = []
+
[dependencies]
iced_native = { version = "0.1.0-alpha", path = "../native" }
winit = { version = "0.20.0-alpha3", git = "https://github.com/rust-windowing/winit", rev = "709808eb4e69044705fcb214bcc30556db761405"}
diff --git a/winit/src/application.rs b/winit/src/application.rs
index 8c7d8c37..5d1aae38 100644
--- a/winit/src/application.rs
+++ b/winit/src/application.rs
@@ -2,13 +2,13 @@ use crate::{
column, conversion,
input::{keyboard, mouse},
renderer::{Target, Windowed},
- Cache, Column, Element, Event, Length, MouseCursor, UserInterface,
+ Cache, Column, Debug, Element, Event, Length, MouseCursor, UserInterface,
};
pub trait Application {
type Renderer: Windowed + column::Renderer;
- type Message;
+ type Message: std::fmt::Debug;
fn update(&mut self, message: Self::Message);
@@ -24,6 +24,9 @@ pub trait Application {
window::WindowBuilder,
};
+ let mut debug = Debug::new();
+
+ debug.startup_started();
let event_loop = EventLoop::new();
// TODO: Ask for window settings and configure this properly
@@ -50,16 +53,22 @@ pub trait Application {
&renderer,
);
+ debug.layout_started();
let user_interface = UserInterface::build(
- document(&mut self, size),
+ document(&mut self, size, &mut debug),
Cache::default(),
&renderer,
);
+ debug.layout_finished();
+ debug.draw_started();
let mut primitive = user_interface.draw(&mut renderer);
+ debug.draw_finished();
+
let mut cache = Some(user_interface.into_cache());
let mut events = Vec::new();
let mut mouse_cursor = MouseCursor::OutOfBounds;
+ debug.startup_finished();
window.request_redraw();
@@ -70,17 +79,23 @@ pub trait Application {
//
// This will allow us to rebuild it only when a message is
// handled.
+ debug.layout_started();
let mut user_interface = UserInterface::build(
- document(&mut self, size),
+ document(&mut self, size, &mut debug),
cache.take().unwrap(),
&renderer,
);
+ debug.layout_finished();
+ debug.event_processing_started();
let messages =
user_interface.update(&renderer, events.drain(..));
+ debug.event_processing_finished();
if messages.is_empty() {
+ debug.draw_started();
primitive = user_interface.draw(&mut renderer);
+ debug.draw_finished();
cache = Some(user_interface.into_cache());
} else {
@@ -91,16 +106,24 @@ pub trait Application {
for message in messages {
log::debug!("Updating");
+ debug.log_message(&message);
+
+ debug.update_started();
self.update(message);
+ debug.update_finished();
}
+ debug.layout_started();
let user_interface = UserInterface::build(
- document(&mut self, size),
+ document(&mut self, size, &mut debug),
temp_cache,
&renderer,
);
+ debug.layout_finished();
+ debug.draw_started();
primitive = user_interface.draw(&mut renderer);
+ debug.draw_finished();
cache = Some(user_interface.into_cache());
}
@@ -108,6 +131,8 @@ pub trait Application {
window.request_redraw();
}
event::Event::RedrawRequested(_) => {
+ debug.render_started();
+
if let Some(new_size) = new_size.take() {
target.resize(new_size.width, new_size.height, &renderer);
@@ -115,7 +140,9 @@ pub trait Application {
}
let new_mouse_cursor =
- renderer.draw(&primitive, None, &mut target);
+ renderer.draw(&primitive, &debug.overlay(), &mut target);
+
+ debug.render_finished();
if new_mouse_cursor != mouse_cursor {
window.set_cursor_icon(conversion::mouse_cursor(
@@ -191,6 +218,14 @@ pub trait Application {
},
..
} => {
+ match (virtual_keycode, state) {
+ (
+ winit::event::VirtualKeyCode::F12,
+ winit::event::ElementState::Pressed,
+ ) => debug.toggle(),
+ _ => {}
+ }
+
events.push(Event::Keyboard(keyboard::Event::Input {
key_code: conversion::key_code(virtual_keycode),
state: conversion::button_state(state),
@@ -229,17 +264,22 @@ impl From<winit::dpi::PhysicalSize> for Size {
}
}
-fn document<Application>(
- application: &mut Application,
+fn document<'a, Application>(
+ application: &'a mut Application,
size: Size,
-) -> Element<Application::Message, Application::Renderer>
+ debug: &mut Debug,
+) -> Element<'a, Application::Message, Application::Renderer>
where
Application: self::Application,
Application::Message: 'static,
{
+ debug.view_started();
+ let view = application.view();
+ debug.view_finished();
+
Column::new()
.width(Length::Units(size.width))
.height(Length::Units(size.height))
- .push(application.view())
+ .push(view)
.into()
}
diff --git a/winit/src/debug/basic.rs b/winit/src/debug/basic.rs
new file mode 100644
index 00000000..09bb5ae1
--- /dev/null
+++ b/winit/src/debug/basic.rs
@@ -0,0 +1,206 @@
+use std::collections::VecDeque;
+use std::time;
+
+#[derive(Debug)]
+pub struct Debug {
+ is_enabled: bool,
+
+ startup_start: time::Instant,
+ startup_duration: time::Duration,
+
+ update_start: time::Instant,
+ update_durations: TimeBuffer,
+
+ view_start: time::Instant,
+ view_durations: TimeBuffer,
+
+ layout_start: time::Instant,
+ layout_durations: TimeBuffer,
+
+ event_start: time::Instant,
+ event_durations: TimeBuffer,
+
+ draw_start: time::Instant,
+ draw_durations: TimeBuffer,
+
+ render_start: time::Instant,
+ render_durations: TimeBuffer,
+
+ message_count: usize,
+ last_messages: VecDeque<String>,
+}
+
+impl Debug {
+ pub fn new() -> Self {
+ let now = time::Instant::now();
+
+ Self {
+ is_enabled: false,
+ startup_start: now,
+ startup_duration: time::Duration::from_secs(0),
+
+ update_start: now,
+ update_durations: TimeBuffer::new(200),
+
+ view_start: now,
+ view_durations: TimeBuffer::new(200),
+
+ layout_start: now,
+ layout_durations: TimeBuffer::new(200),
+
+ event_start: now,
+ event_durations: TimeBuffer::new(200),
+
+ draw_start: now,
+ draw_durations: TimeBuffer::new(200),
+
+ render_start: now,
+ render_durations: TimeBuffer::new(50),
+
+ message_count: 0,
+ last_messages: VecDeque::new(),
+ }
+ }
+
+ pub fn toggle(&mut self) {
+ self.is_enabled = !self.is_enabled;
+ }
+
+ pub fn startup_started(&mut self) {
+ self.startup_start = time::Instant::now();
+ }
+
+ pub fn startup_finished(&mut self) {
+ self.startup_duration = time::Instant::now() - self.startup_start;
+ }
+
+ pub fn update_started(&mut self) {
+ self.update_start = time::Instant::now();
+ }
+
+ pub fn update_finished(&mut self) {
+ self.update_durations
+ .push(time::Instant::now() - self.update_start);
+ }
+
+ pub fn view_started(&mut self) {
+ self.view_start = time::Instant::now();
+ }
+
+ pub fn view_finished(&mut self) {
+ self.view_durations
+ .push(time::Instant::now() - self.view_start);
+ }
+
+ pub fn layout_started(&mut self) {
+ self.layout_start = time::Instant::now();
+ }
+
+ pub fn layout_finished(&mut self) {
+ self.layout_durations
+ .push(time::Instant::now() - self.layout_start);
+ }
+
+ pub fn event_processing_started(&mut self) {
+ self.event_start = time::Instant::now();
+ }
+
+ pub fn event_processing_finished(&mut self) {
+ self.event_durations
+ .push(time::Instant::now() - self.event_start);
+ }
+
+ pub fn draw_started(&mut self) {
+ self.draw_start = time::Instant::now();
+ }
+
+ pub fn draw_finished(&mut self) {
+ self.draw_durations
+ .push(time::Instant::now() - self.draw_start);
+ }
+
+ pub fn render_started(&mut self) {
+ self.render_start = time::Instant::now();
+ }
+
+ pub fn render_finished(&mut self) {
+ self.render_durations
+ .push(time::Instant::now() - self.render_start);
+ }
+
+ pub fn log_message<Message: std::fmt::Debug>(&mut self, message: &Message) {
+ self.last_messages.push_back(format!("{:?}", message));
+
+ if self.last_messages.len() > 10 {
+ let _ = self.last_messages.pop_front();
+ }
+
+ self.message_count += 1;
+ }
+
+ pub fn overlay(&self) -> Vec<String> {
+ if !self.is_enabled {
+ return Vec::new();
+ }
+
+ let mut lines = Vec::new();
+
+ fn key_value<T: std::fmt::Debug>(key: &str, value: T) -> String {
+ format!("{: <30} {:?}", key, value)
+ }
+
+ lines.push(key_value("Startup:", self.startup_duration));
+ lines.push(key_value("Update:", self.update_durations.average()));
+ lines.push(key_value("View:", self.view_durations.average()));
+ lines.push(key_value("Layout:", self.layout_durations.average()));
+ lines.push(key_value(
+ "Event processing:",
+ self.event_durations.average(),
+ ));
+ lines.push(key_value(
+ "Primitive generation:",
+ self.draw_durations.average(),
+ ));
+ lines.push(key_value("Render:", self.render_durations.average()));
+ lines.push(key_value("Message count:", self.message_count));
+ lines.push(String::from("Last messages:"));
+ lines.extend(
+ self.last_messages.iter().map(|msg| format!(" {}", msg)),
+ );
+
+ lines
+ }
+}
+
+#[derive(Debug)]
+struct TimeBuffer {
+ head: usize,
+ size: usize,
+ contents: Vec<time::Duration>,
+}
+
+impl TimeBuffer {
+ fn new(capacity: usize) -> TimeBuffer {
+ TimeBuffer {
+ head: 0,
+ size: 0,
+ contents: vec![time::Duration::from_secs(0); capacity],
+ }
+ }
+
+ fn push(&mut self, duration: time::Duration) {
+ self.head = (self.head + 1) % self.contents.len();
+ self.contents[self.head] = duration;
+ self.size = (self.size + 1).min(self.contents.len());
+ }
+
+ fn average(&self) -> time::Duration {
+ let sum: time::Duration = if self.size == self.contents.len() {
+ self.contents[..].iter().sum()
+ } else {
+ self.contents[..self.size].iter().sum()
+ };
+
+ sum / self.size.max(1) as u32
+ }
+}
diff --git a/winit/src/debug/null.rs b/winit/src/debug/null.rs
new file mode 100644
index 00000000..9c809dd4
--- /dev/null
+++ b/winit/src/debug/null.rs
@@ -0,0 +1,48 @@
+#[derive(Debug)]
+pub struct Debug;
+
+impl Debug {
+ pub fn new() -> Self {
+ Self
+ }
+
+ pub fn toggle(&mut self) {}
+
+ pub fn startup_started(&mut self) {}
+
+ pub fn startup_finished(&mut self) {}
+
+ pub fn update_started(&mut self) {}
+
+ pub fn update_finished(&mut self) {}
+
+ pub fn view_started(&mut self) {}
+
+ pub fn view_finished(&mut self) {}
+
+ pub fn layout_started(&mut self) {}
+
+ pub fn layout_finished(&mut self) {}
+
+ pub fn event_processing_started(&mut self) {}
+
+ pub fn event_processing_finished(&mut self) {}
+
+ pub fn draw_started(&mut self) {}
+
+ pub fn draw_finished(&mut self) {}
+
+ pub fn render_started(&mut self) {}
+
+ pub fn render_finished(&mut self) {}
+
+ pub fn log_message<Message: std::fmt::Debug>(
+ &mut self,
+ _message: &Message,
+ ) {
+ }
+
+ pub fn overlay(&self) -> Vec<String> {
+ Vec::new()
+ }
+}
diff --git a/winit/src/lib.rs b/winit/src/lib.rs
index b08fcb6c..f66c0553 100644
--- a/winit/src/lib.rs
+++ b/winit/src/lib.rs
@@ -6,3 +6,14 @@ pub mod conversion;
mod application;
pub use application::Application;
+
+// We disable debug capabilities on release builds unless the `debug` feature
+// is explicitly enabled.
+#[cfg_attr(any(debug_assertions, feature = "debug"), path = "debug/basic.rs")]
+#[cfg_attr(
+ not(any(debug_assertions, feature = "debug")),
+ path = "debug/null.rs"
+)]
+mod debug;
+
+use debug::Debug;