diff options
author | 2023-03-01 21:34:26 +0100 | |
---|---|---|
committer | 2023-03-01 21:34:26 +0100 | |
commit | 5fd5d1cdf8e5354788dc40729c4565ef377d3bba (patch) | |
tree | 0921efc7dc13a3050e03482147a791f85515f1f2 | |
parent | 3f6e28fa9b1b8d911f765c9efb5249a9e0c942d5 (diff) | |
download | iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.tar.gz iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.tar.bz2 iced-5fd5d1cdf8e5354788dc40729c4565ef377d3bba.zip |
Implement `Canvas` support for `iced_tiny_skia`
-rw-r--r-- | core/Cargo.toml | 1 | ||||
-rw-r--r-- | core/src/gradient.rs (renamed from graphics/src/gradient.rs) | 0 | ||||
-rw-r--r-- | core/src/gradient/linear.rs (renamed from graphics/src/gradient/linear.rs) | 0 | ||||
-rw-r--r-- | core/src/lib.rs | 2 | ||||
-rw-r--r-- | examples/arc/src/main.rs | 9 | ||||
-rw-r--r-- | examples/bezier_tool/src/main.rs | 25 | ||||
-rw-r--r-- | examples/clock/src/main.rs | 9 | ||||
-rw-r--r-- | examples/color_palette/src/main.rs | 9 | ||||
-rw-r--r-- | examples/game_of_life/src/main.rs | 73 | ||||
-rw-r--r-- | examples/geometry/src/main.rs | 6 | ||||
-rw-r--r-- | examples/modern_art/src/main.rs | 5 | ||||
-rw-r--r-- | examples/multitouch/src/main.rs | 7 | ||||
-rw-r--r-- | examples/sierpinski_triangle/src/main.rs | 9 | ||||
-rw-r--r-- | examples/solar_system/src/main.rs | 28 | ||||
-rw-r--r-- | graphics/Cargo.toml | 13 | ||||
-rw-r--r-- | graphics/src/backend.rs | 2 | ||||
-rw-r--r-- | graphics/src/lib.rs | 13 | ||||
-rw-r--r-- | graphics/src/primitive.rs | 128 | ||||
-rw-r--r-- | graphics/src/renderer.rs | 43 | ||||
-rw-r--r-- | graphics/src/triangle.rs | 32 | ||||
-rw-r--r-- | native/Cargo.toml | 6 | ||||
-rw-r--r-- | native/src/lib.rs | 4 | ||||
-rw-r--r-- | native/src/widget.rs | 16 | ||||
-rw-r--r-- | native/src/widget/canvas.rs (renamed from graphics/src/widget/canvas.rs) | 101 | ||||
-rw-r--r-- | native/src/widget/canvas/cursor.rs (renamed from graphics/src/widget/canvas/cursor.rs) | 2 | ||||
-rw-r--r-- | native/src/widget/canvas/event.rs (renamed from graphics/src/widget/canvas/event.rs) | 8 | ||||
-rw-r--r-- | native/src/widget/canvas/fill.rs (renamed from graphics/src/widget/canvas/fill.rs) | 18 | ||||
-rw-r--r-- | native/src/widget/canvas/path.rs (renamed from graphics/src/widget/canvas/path.rs) | 52 | ||||
-rw-r--r-- | native/src/widget/canvas/path/arc.rs (renamed from graphics/src/widget/canvas/path/arc.rs) | 2 | ||||
-rw-r--r-- | native/src/widget/canvas/path/builder.rs (renamed from graphics/src/widget/canvas/path/builder.rs) | 24 | ||||
-rw-r--r-- | native/src/widget/canvas/program.rs (renamed from graphics/src/widget/canvas/program.rs) | 24 | ||||
-rw-r--r-- | native/src/widget/canvas/stroke.rs (renamed from graphics/src/widget/canvas/stroke.rs) | 22 | ||||
-rw-r--r-- | native/src/widget/canvas/style.rs (renamed from graphics/src/widget/canvas/style.rs) | 3 | ||||
-rw-r--r-- | native/src/widget/canvas/text.rs (renamed from graphics/src/widget/canvas/text.rs) | 0 | ||||
-rw-r--r-- | renderer/Cargo.toml | 10 | ||||
-rw-r--r-- | renderer/src/backend.rs | 4 | ||||
-rw-r--r-- | renderer/src/lib.rs | 14 | ||||
-rw-r--r-- | renderer/src/widget.rs | 12 | ||||
-rw-r--r-- | renderer/src/widget/canvas.rs | 177 | ||||
-rw-r--r-- | renderer/src/widget/canvas/cache.rs | 85 | ||||
-rw-r--r-- | renderer/src/widget/qr_code.rs (renamed from graphics/src/widget/qr_code.rs) | 90 | ||||
-rw-r--r-- | src/widget.rs | 5 | ||||
-rw-r--r-- | tiny_skia/Cargo.toml | 1 | ||||
-rw-r--r-- | tiny_skia/src/backend.rs | 48 | ||||
-rw-r--r-- | tiny_skia/src/canvas.rs | 276 | ||||
-rw-r--r-- | tiny_skia/src/lib.rs | 10 | ||||
-rw-r--r-- | tiny_skia/src/primitive.rs | 82 | ||||
-rw-r--r-- | tiny_skia/src/window/compositor.rs | 3 | ||||
-rw-r--r-- | wgpu/Cargo.toml | 15 | ||||
-rw-r--r-- | wgpu/src/backend.rs | 7 | ||||
-rw-r--r-- | wgpu/src/image.rs | 2 | ||||
-rw-r--r-- | wgpu/src/layer.rs (renamed from graphics/src/layer.rs) | 80 | ||||
-rw-r--r-- | wgpu/src/layer/image.rs (renamed from graphics/src/layer/image.rs) | 0 | ||||
-rw-r--r-- | wgpu/src/layer/mesh.rs (renamed from graphics/src/layer/mesh.rs) | 6 | ||||
-rw-r--r-- | wgpu/src/layer/quad.rs (renamed from graphics/src/layer/quad.rs) | 0 | ||||
-rw-r--r-- | wgpu/src/layer/text.rs (renamed from graphics/src/layer/text.rs) | 0 | ||||
-rw-r--r-- | wgpu/src/lib.rs | 15 | ||||
-rw-r--r-- | wgpu/src/quad.rs | 3 | ||||
-rw-r--r-- | wgpu/src/text.rs | 3 | ||||
-rw-r--r-- | wgpu/src/triangle.rs | 71 | ||||
-rw-r--r-- | wgpu/src/widget.rs (renamed from graphics/src/widget.rs) | 9 | ||||
-rw-r--r-- | wgpu/src/widget/canvas.rs | 16 | ||||
-rw-r--r-- | wgpu/src/widget/canvas/cache.rs (renamed from graphics/src/widget/canvas/cache.rs) | 19 | ||||
-rw-r--r-- | wgpu/src/widget/canvas/frame.rs (renamed from graphics/src/widget/canvas/frame.rs) | 157 | ||||
-rw-r--r-- | wgpu/src/widget/canvas/geometry.rs (renamed from graphics/src/widget/canvas/geometry.rs) | 0 |
65 files changed, 1350 insertions, 566 deletions
diff --git a/core/Cargo.toml b/core/Cargo.toml index 43865e4d..7ccb7b7a 100644 --- a/core/Cargo.toml +++ b/core/Cargo.toml @@ -9,6 +9,7 @@ repository = "https://github.com/iced-rs/iced" [dependencies] bitflags = "1.2" +thiserror = "1" [dependencies.palette] version = "0.6" diff --git a/graphics/src/gradient.rs b/core/src/gradient.rs index 61e919d6..61e919d6 100644 --- a/graphics/src/gradient.rs +++ b/core/src/gradient.rs diff --git a/graphics/src/gradient/linear.rs b/core/src/gradient/linear.rs index c886db47..c886db47 100644 --- a/graphics/src/gradient/linear.rs +++ b/core/src/gradient/linear.rs diff --git a/core/src/lib.rs b/core/src/lib.rs index d7314851..1e4f0411 100644 --- a/core/src/lib.rs +++ b/core/src/lib.rs @@ -26,6 +26,7 @@ #![allow(clippy::inherent_to_string, clippy::type_complexity)] pub mod alignment; pub mod font; +pub mod gradient; pub mod keyboard; pub mod mouse; pub mod time; @@ -46,6 +47,7 @@ pub use background::Background; pub use color::Color; pub use content_fit::ContentFit; pub use font::Font; +pub use gradient::Gradient; pub use length::Length; pub use padding::Padding; pub use pixels::Pixels; diff --git a/examples/arc/src/main.rs b/examples/arc/src/main.rs index 7b6ea0e1..d71ba6f6 100644 --- a/examples/arc/src/main.rs +++ b/examples/arc/src/main.rs @@ -5,8 +5,8 @@ use iced::widget::canvas::{ self, stroke, Cache, Canvas, Cursor, Geometry, Path, Stroke, }; use iced::{ - Application, Command, Element, Length, Point, Rectangle, Settings, - Subscription, Theme, + Application, Command, Element, Length, Point, Rectangle, Renderer, + Settings, Subscription, Theme, }; pub fn main() -> iced::Result { @@ -69,17 +69,18 @@ impl Application for Arc { } } -impl<Message> canvas::Program<Message> for Arc { +impl<Message> canvas::Program<Message, Renderer> for Arc { type State = (); fn draw( &self, _state: &Self::State, + renderer: &Renderer, theme: &Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<Geometry> { - let geometry = self.cache.draw(bounds.size(), |frame| { + let geometry = self.cache.draw(renderer, bounds.size(), |frame| { let palette = theme.palette(); let center = frame.center(); diff --git a/examples/bezier_tool/src/main.rs b/examples/bezier_tool/src/main.rs index 7c3916d4..5bb463c3 100644 --- a/examples/bezier_tool/src/main.rs +++ b/examples/bezier_tool/src/main.rs @@ -64,7 +64,7 @@ mod bezier { use iced::widget::canvas::{ self, Canvas, Cursor, Frame, Geometry, Path, Stroke, }; - use iced::{Element, Length, Point, Rectangle, Theme}; + use iced::{Element, Length, Point, Rectangle, Renderer, Theme}; #[derive(Default)] pub struct State { @@ -92,7 +92,7 @@ mod bezier { curves: &'a [Curve], } - impl<'a> canvas::Program<Curve> for Bezier<'a> { + impl<'a> canvas::Program<Curve, Renderer> for Bezier<'a> { type State = Option<Pending>; fn update( @@ -152,22 +152,26 @@ mod bezier { fn draw( &self, state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, cursor: Cursor, ) -> Vec<Geometry> { - let content = - self.state.cache.draw(bounds.size(), |frame: &mut Frame| { + let content = self.state.cache.draw( + renderer, + bounds.size(), + |frame: &mut Frame| { Curve::draw_all(self.curves, frame); frame.stroke( &Path::rectangle(Point::ORIGIN, frame.size()), Stroke::default().with_width(2.0), ); - }); + }, + ); if let Some(pending) = state { - let pending_curve = pending.draw(bounds, cursor); + let pending_curve = pending.draw(renderer, bounds, cursor); vec![content, pending_curve] } else { @@ -216,8 +220,13 @@ mod bezier { } impl Pending { - fn draw(&self, bounds: Rectangle, cursor: Cursor) -> Geometry { - let mut frame = Frame::new(bounds.size()); + fn draw( + &self, + renderer: &Renderer, + bounds: Rectangle, + cursor: Cursor, + ) -> Geometry { + let mut frame = Frame::new(renderer, bounds.size()); if let Some(cursor_position) = cursor.position_in(&bounds) { match *self { diff --git a/examples/clock/src/main.rs b/examples/clock/src/main.rs index a389c54f..6425e2da 100644 --- a/examples/clock/src/main.rs +++ b/examples/clock/src/main.rs @@ -4,8 +4,8 @@ use iced::widget::canvas::{ }; use iced::widget::{canvas, container}; use iced::{ - Application, Color, Command, Element, Length, Point, Rectangle, Settings, - Subscription, Theme, Vector, + Application, Color, Command, Element, Length, Point, Rectangle, Renderer, + Settings, Subscription, Theme, Vector, }; pub fn main() -> iced::Result { @@ -83,17 +83,18 @@ impl Application for Clock { } } -impl<Message> canvas::Program<Message> for Clock { +impl<Message> canvas::Program<Message, Renderer> for Clock { type State = (); fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<Geometry> { - let clock = self.clock.draw(bounds.size(), |frame| { + let clock = self.clock.draw(renderer, bounds.size(), |frame| { let center = frame.center(); let radius = frame.width().min(frame.height()) / 2.0; diff --git a/examples/color_palette/src/main.rs b/examples/color_palette/src/main.rs index a2df36c2..1109a883 100644 --- a/examples/color_palette/src/main.rs +++ b/examples/color_palette/src/main.rs @@ -1,8 +1,8 @@ use iced::widget::canvas::{self, Canvas, Cursor, Frame, Geometry, Path}; use iced::widget::{column, row, text, Slider}; use iced::{ - alignment, Alignment, Color, Element, Length, Point, Rectangle, Sandbox, - Settings, Size, Vector, + alignment, Alignment, Color, Element, Length, Point, Rectangle, Renderer, + Sandbox, Settings, Size, Vector, }; use palette::{self, convert::FromColor, Hsl, Srgb}; use std::marker::PhantomData; @@ -237,17 +237,18 @@ impl Theme { } } -impl<Message> canvas::Program<Message> for Theme { +impl<Message> canvas::Program<Message, Renderer> for Theme { type State = (); fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &iced::Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<Geometry> { - let theme = self.canvas_cache.draw(bounds.size(), |frame| { + let theme = self.canvas_cache.draw(renderer, bounds.size(), |frame| { self.draw(frame); }); diff --git a/examples/game_of_life/src/main.rs b/examples/game_of_life/src/main.rs index ed911160..494f71a6 100644 --- a/examples/game_of_life/src/main.rs +++ b/examples/game_of_life/src/main.rs @@ -211,8 +211,8 @@ mod grid { Cache, Canvas, Cursor, Frame, Geometry, Path, Text, }; use iced::{ - alignment, mouse, Color, Element, Length, Point, Rectangle, Size, - Theme, Vector, + alignment, mouse, Color, Element, Length, Point, Rectangle, Renderer, + Size, Theme, Vector, }; use rustc_hash::{FxHashMap, FxHashSet}; use std::future::Future; @@ -393,7 +393,7 @@ mod grid { } } - impl canvas::Program<Message> for Grid { + impl canvas::Program<Message, Renderer> for Grid { type State = Interaction; fn update( @@ -536,13 +536,14 @@ mod grid { fn draw( &self, _interaction: &Interaction, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, cursor: Cursor, ) -> Vec<Geometry> { let center = Vector::new(bounds.width / 2.0, bounds.height / 2.0); - let life = self.life_cache.draw(bounds.size(), |frame| { + let life = self.life_cache.draw(renderer, bounds.size(), |frame| { let background = Path::rectangle(Point::ORIGIN, frame.size()); frame.fill(&background, Color::from_rgb8(0x40, 0x44, 0x4B)); @@ -565,7 +566,7 @@ mod grid { }); let overlay = { - let mut frame = Frame::new(bounds.size()); + let mut frame = Frame::new(renderer, bounds.size()); let hovered_cell = cursor.position_in(&bounds).map(|position| { @@ -626,38 +627,40 @@ mod grid { if self.scaling < 0.2 || !self.show_lines { vec![life, overlay] } else { - let grid = self.grid_cache.draw(bounds.size(), |frame| { - frame.translate(center); - frame.scale(self.scaling); - frame.translate(self.translation); - frame.scale(Cell::SIZE as f32); - - let region = self.visible_region(frame.size()); - let rows = region.rows(); - let columns = region.columns(); - let (total_rows, total_columns) = - (rows.clone().count(), columns.clone().count()); - let width = 2.0 / Cell::SIZE as f32; - let color = Color::from_rgb8(70, 74, 83); - - frame.translate(Vector::new(-width / 2.0, -width / 2.0)); + let grid = + self.grid_cache.draw(renderer, bounds.size(), |frame| { + frame.translate(center); + frame.scale(self.scaling); + frame.translate(self.translation); + frame.scale(Cell::SIZE as f32); - for row in region.rows() { - frame.fill_rectangle( - Point::new(*columns.start() as f32, row as f32), - Size::new(total_columns as f32, width), - color, - ); - } + let region = self.visible_region(frame.size()); + let rows = region.rows(); + let columns = region.columns(); + let (total_rows, total_columns) = + (rows.clone().count(), columns.clone().count()); + let width = 2.0 / Cell::SIZE as f32; + let color = Color::from_rgb8(70, 74, 83); + + frame + .translate(Vector::new(-width / 2.0, -width / 2.0)); + + for row in region.rows() { + frame.fill_rectangle( + Point::new(*columns.start() as f32, row as f32), + Size::new(total_columns as f32, width), + color, + ); + } - for column in region.columns() { - frame.fill_rectangle( - Point::new(column as f32, *rows.start() as f32), - Size::new(width, total_rows as f32), - color, - ); - } - }); + for column in region.columns() { + frame.fill_rectangle( + Point::new(column as f32, *rows.start() as f32), + Size::new(width, total_rows as f32), + color, + ); + } + }); vec![life, grid, overlay] } diff --git a/examples/geometry/src/main.rs b/examples/geometry/src/main.rs index 9bacce7f..a77772d5 100644 --- a/examples/geometry/src/main.rs +++ b/examples/geometry/src/main.rs @@ -10,9 +10,9 @@ mod rainbow { // Of course, you can choose to make the implementation renderer-agnostic, // if you wish to, by creating your own `Renderer` trait, which could be // implemented by `iced_wgpu` and other renderers. + use iced_graphics::primitive::{ColoredVertex2D, Primitive}; use iced_graphics::renderer::{self, Renderer}; - use iced_graphics::triangle::ColoredVertex2D; - use iced_graphics::{Backend, Primitive}; + use iced_graphics::Backend; use iced_native::layout; use iced_native::widget::{self, Widget}; @@ -59,7 +59,7 @@ mod rainbow { cursor_position: Point, _viewport: &Rectangle, ) { - use iced_graphics::triangle::Mesh2D; + use iced_graphics::primitive::Mesh2D; use iced_native::Renderer as _; let b = layout.bounds(); diff --git a/examples/modern_art/src/main.rs b/examples/modern_art/src/main.rs index 28ed3e21..a43a2b2b 100644 --- a/examples/modern_art/src/main.rs +++ b/examples/modern_art/src/main.rs @@ -55,17 +55,18 @@ impl Application for ModernArt { } } -impl<Message> canvas::Program<Message> for ModernArt { +impl<Message> canvas::Program<Message, Renderer> for ModernArt { type State = (); fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<Geometry> { - let geometry = self.cache.draw(bounds.size(), |frame| { + let geometry = self.cache.draw(renderer, bounds.size(), |frame| { let num_squares = thread_rng().gen_range(0..1200); let mut i = 0; diff --git a/examples/multitouch/src/main.rs b/examples/multitouch/src/main.rs index f5faae0f..7df6c929 100644 --- a/examples/multitouch/src/main.rs +++ b/examples/multitouch/src/main.rs @@ -6,7 +6,7 @@ use iced::widget::canvas::stroke::{self, Stroke}; use iced::widget::canvas::{self, Canvas, Cursor, Geometry}; use iced::{ executor, touch, window, Application, Color, Command, Element, Length, - Point, Rectangle, Settings, Subscription, Theme, + Point, Rectangle, Renderer, Settings, Subscription, Theme, }; use std::collections::HashMap; @@ -95,7 +95,7 @@ impl Application for Multitouch { } } -impl canvas::Program<Message> for State { +impl canvas::Program<Message, Renderer> for State { type State = (); fn update( @@ -125,11 +125,12 @@ impl canvas::Program<Message> for State { fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<Geometry> { - let fingerweb = self.cache.draw(bounds.size(), |frame| { + let fingerweb = self.cache.draw(renderer, bounds.size(), |frame| { if self.fingers.len() < 2 { return; } diff --git a/examples/sierpinski_triangle/src/main.rs b/examples/sierpinski_triangle/src/main.rs index 1d25d171..e85f8391 100644 --- a/examples/sierpinski_triangle/src/main.rs +++ b/examples/sierpinski_triangle/src/main.rs @@ -5,8 +5,8 @@ use iced::widget::canvas::event::{self, Event}; use iced::widget::canvas::{self, Canvas}; use iced::widget::{column, row, slider, text}; use iced::{ - Application, Color, Command, Length, Point, Rectangle, Settings, Size, - Theme, + Application, Color, Command, Length, Point, Rectangle, Renderer, Settings, + Size, Theme, }; use rand::Rng; @@ -97,7 +97,7 @@ struct SierpinskiGraph { cache: canvas::Cache, } -impl canvas::Program<Message> for SierpinskiGraph { +impl canvas::Program<Message, Renderer> for SierpinskiGraph { type State = (); fn update( @@ -134,11 +134,12 @@ impl canvas::Program<Message> for SierpinskiGraph { fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, _cursor: canvas::Cursor, ) -> Vec<canvas::Geometry> { - let geom = self.cache.draw(bounds.size(), |frame| { + let geom = self.cache.draw(renderer, bounds.size(), |frame| { frame.stroke( &canvas::Path::rectangle(Point::ORIGIN, frame.size()), canvas::Stroke::default(), diff --git a/examples/solar_system/src/main.rs b/examples/solar_system/src/main.rs index 9a4ee754..0023a69b 100644 --- a/examples/solar_system/src/main.rs +++ b/examples/solar_system/src/main.rs @@ -15,8 +15,8 @@ use iced::widget::canvas::stroke::{self, Stroke}; use iced::widget::canvas::{Cursor, Path}; use iced::window; use iced::{ - Application, Color, Command, Element, Length, Point, Rectangle, Settings, - Size, Subscription, Vector, + Application, Color, Command, Element, Length, Point, Rectangle, Renderer, + Settings, Size, Subscription, Vector, }; use std::time::Instant; @@ -150,30 +150,32 @@ impl State { } } -impl<Message> canvas::Program<Message> for State { +impl<Message> canvas::Program<Message, Renderer> for State { type State = (); fn draw( &self, _state: &Self::State, + renderer: &Renderer, _theme: &Theme, bounds: Rectangle, _cursor: Cursor, ) -> Vec<canvas::Geometry> { use std::f32::consts::PI; - let background = self.space_cache.draw(bounds.size(), |frame| { - let stars = Path::new(|path| { - for (p, size) in &self.stars { - path.rectangle(*p, Size::new(*size, *size)); - } - }); + let background = + self.space_cache.draw(renderer, bounds.size(), |frame| { + let stars = Path::new(|path| { + for (p, size) in &self.stars { + path.rectangle(*p, Size::new(*size, *size)); + } + }); - frame.translate(frame.center() - Point::ORIGIN); - frame.fill(&stars, Color::WHITE); - }); + frame.translate(frame.center() - Point::ORIGIN); + frame.fill(&stars, Color::WHITE); + }); - let system = self.system_cache.draw(bounds.size(), |frame| { + let system = self.system_cache.draw(renderer, bounds.size(), |frame| { let center = frame.center(); let sun = Path::circle(center, Self::SUN_RADIUS); diff --git a/graphics/Cargo.toml b/graphics/Cargo.toml index 9795d31f..36d8a516 100644 --- a/graphics/Cargo.toml +++ b/graphics/Cargo.toml @@ -24,8 +24,7 @@ bmp = ["image_rs/bmp"] hdr = ["image_rs/hdr"] dds = ["image_rs/dds"] farbfeld = ["image_rs/farbfeld"] -canvas = ["lyon"] -qr_code = ["qrcode", "canvas"] +canvas = ["iced_native/canvas"] opengl = [] image_rs = ["kamadak-exif"] @@ -35,6 +34,7 @@ log = "0.4" raw-window-handle = "0.5" thiserror = "1.0" bitflags = "1.2" +tiny-skia = "0.8" [dependencies.bytemuck] version = "1.4" @@ -48,15 +48,6 @@ path = "../native" version = "0.7" path = "../style" -[dependencies.lyon] -version = "1.0" -optional = true - -[dependencies.qrcode] -version = "0.12" -optional = true -default-features = false - [dependencies.image_rs] version = "0.24" package = "image" diff --git a/graphics/src/backend.rs b/graphics/src/backend.rs index 8658cffe..c44372e8 100644 --- a/graphics/src/backend.rs +++ b/graphics/src/backend.rs @@ -10,6 +10,8 @@ use std::borrow::Cow; /// /// [`Renderer`]: crate::Renderer pub trait Backend { + type Geometry: Into<crate::Primitive>; + /// Trims the measurements cache. /// /// This method is currently necessary to properly trim the text cache in diff --git a/graphics/src/lib.rs b/graphics/src/lib.rs index bbbdfa0e..576b2d78 100644 --- a/graphics/src/lib.rs +++ b/graphics/src/lib.rs @@ -9,7 +9,7 @@ )] #![deny( missing_debug_implementations, - missing_docs, + //missing_docs, unsafe_code, unused_results, clippy::extra_unused_lifetimes, @@ -23,25 +23,19 @@ #![cfg_attr(docsrs, feature(doc_cfg))] mod antialiasing; mod error; -mod primitive; mod transformation; mod viewport; pub mod backend; -pub mod gradient; pub mod image; -pub mod layer; pub mod overlay; +pub mod primitive; pub mod renderer; -pub mod triangle; -pub mod widget; pub mod window; pub use antialiasing::Antialiasing; pub use backend::Backend; pub use error::Error; -pub use gradient::Gradient; -pub use layer::Layer; pub use primitive::Primitive; pub use renderer::Renderer; pub use transformation::Transformation; @@ -50,5 +44,6 @@ pub use viewport::Viewport; pub use iced_native::alignment; pub use iced_native::text; pub use iced_native::{ - Alignment, Background, Color, Font, Point, Rectangle, Size, Vector, + Alignment, Background, Color, Font, Gradient, Point, Rectangle, Size, + Vector, }; diff --git a/graphics/src/primitive.rs b/graphics/src/primitive.rs index 5a163a2f..e4826591 100644 --- a/graphics/src/primitive.rs +++ b/graphics/src/primitive.rs @@ -1,23 +1,15 @@ +use crate::alignment; + use iced_native::image; use iced_native::svg; -use iced_native::{Background, Color, Font, Rectangle, Size, Vector}; - -use crate::alignment; -use crate::gradient::Gradient; -use crate::triangle; +use iced_native::{Background, Color, Font, Gradient, Rectangle, Size, Vector}; +use bytemuck::{Pod, Zeroable}; use std::sync::Arc; /// A rendering primitive. #[derive(Debug, Clone)] pub enum Primitive { - /// An empty primitive - None, - /// A group of primitives - Group { - /// The primitives of the group - primitives: Vec<Primitive>, - }, /// A text primitive Text { /// The contents of the text @@ -66,27 +58,12 @@ pub enum Primitive { /// The bounds of the viewport bounds: Rectangle, }, - /// A clip primitive - Clip { - /// The bounds of the clip - bounds: Rectangle, - /// The content of the clip - content: Box<Primitive>, - }, - /// A primitive that applies a translation - Translate { - /// The translation vector - translation: Vector, - - /// The primitive to translate - content: Box<Primitive>, - }, /// A low-level primitive to render a mesh of triangles with a solid color. /// /// It can be used to render many kinds of geometry freely. SolidMesh { /// The vertices and indices of the mesh. - buffers: triangle::Mesh2D<triangle::ColoredVertex2D>, + buffers: Mesh2D<ColoredVertex2D>, /// The size of the drawable region of the mesh. /// @@ -98,7 +75,7 @@ pub enum Primitive { /// It can be used to render many kinds of geometry freely. GradientMesh { /// The vertices and indices of the mesh. - buffers: triangle::Mesh2D<triangle::Vertex2D>, + buffers: Mesh2D<Vertex2D>, /// The size of the drawable region of the mesh. /// @@ -108,18 +85,101 @@ pub enum Primitive { /// The [`Gradient`] to apply to the mesh. gradient: Gradient, }, + Fill { + path: tiny_skia::Path, + paint: tiny_skia::Paint<'static>, + rule: tiny_skia::FillRule, + transform: tiny_skia::Transform, + }, + Stroke { + path: tiny_skia::Path, + paint: tiny_skia::Paint<'static>, + stroke: tiny_skia::Stroke, + transform: tiny_skia::Transform, + }, + /// A group of primitives + Group { + /// The primitives of the group + primitives: Vec<Primitive>, + }, + /// A clip primitive + Clip { + /// The bounds of the clip + bounds: Rectangle, + /// The content of the clip + content: Box<Primitive>, + }, + /// A primitive that applies a translation + Translate { + /// The translation vector + translation: Vector, + + /// The primitive to translate + content: Box<Primitive>, + }, /// A cached primitive. /// /// This can be useful if you are implementing a widget where primitive /// generation is expensive. - Cached { + Cache { /// The cached primitive - cache: Arc<Primitive>, + content: Arc<Primitive>, }, } -impl Default for Primitive { - fn default() -> Primitive { - Primitive::None +impl Primitive { + pub fn group(primitives: Vec<Self>) -> Self { + Self::Group { primitives } + } + + pub fn clip(self, bounds: Rectangle) -> Self { + Self::Clip { + bounds, + content: Box::new(self), + } + } + + pub fn translate(self, translation: Vector) -> Self { + Self::Translate { + translation, + content: Box::new(self), + } + } +} + +/// A set of [`Vertex2D`] and indices representing a list of triangles. +#[derive(Clone, Debug)] +pub struct Mesh2D<T> { + /// The vertices of the mesh + pub vertices: Vec<T>, + + /// The list of vertex indices that defines the triangles of the mesh. + /// + /// Therefore, this list should always have a length that is a multiple of 3. + pub indices: Vec<u32>, +} + +/// A two-dimensional vertex. +#[derive(Copy, Clone, Debug, Zeroable, Pod)] +#[repr(C)] +pub struct Vertex2D { + /// The vertex position in 2D space. + pub position: [f32; 2], +} + +/// A two-dimensional vertex with a color. +#[derive(Copy, Clone, Debug, Zeroable, Pod)] +#[repr(C)] +pub struct ColoredVertex2D { + /// The vertex position in 2D space. + pub position: [f32; 2], + + /// The color of the vertex in __linear__ RGBA. + pub color: [f32; 4], +} + +impl From<()> for Primitive { + fn from(_: ()) -> Self { + Self::Group { primitives: vec![] } } } diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index 859ebc04..793ee7d7 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -1,6 +1,7 @@ //! Create a renderer from a [`Backend`]. use crate::backend::{self, Backend}; use crate::{Primitive, Vector}; + use iced_native::image; use iced_native::layout; use iced_native::renderer; @@ -70,19 +71,13 @@ where } fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self)) { - let current_primitives = std::mem::take(&mut self.primitives); + let current = std::mem::take(&mut self.primitives); f(self); - let layer_primitives = - std::mem::replace(&mut self.primitives, current_primitives); + let layer = std::mem::replace(&mut self.primitives, current); - self.primitives.push(Primitive::Clip { - bounds, - content: Box::new(Primitive::Group { - primitives: layer_primitives, - }), - }); + self.primitives.push(Primitive::group(layer).clip(bounds)); } fn with_translation( @@ -90,19 +85,14 @@ where translation: Vector, f: impl FnOnce(&mut Self), ) { - let current_primitives = std::mem::take(&mut self.primitives); + let current = std::mem::take(&mut self.primitives); f(self); - let layer_primitives = - std::mem::replace(&mut self.primitives, current_primitives); + let layer = std::mem::replace(&mut self.primitives, current); - self.primitives.push(Primitive::Translate { - translation, - content: Box::new(Primitive::Group { - primitives: layer_primitives, - }), - }); + self.primitives + .push(Primitive::group(layer).translate(translation)); } fn fill_quad( @@ -199,7 +189,7 @@ where } fn draw(&mut self, handle: image::Handle, bounds: Rectangle) { - self.draw_primitive(Primitive::Image { handle, bounds }) + self.primitives.push(Primitive::Image { handle, bounds }) } } @@ -217,10 +207,23 @@ where color: Option<Color>, bounds: Rectangle, ) { - self.draw_primitive(Primitive::Svg { + self.primitives.push(Primitive::Svg { handle, color, bounds, }) } } + +#[cfg(feature = "canvas")] +impl<B, T> iced_native::widget::canvas::Renderer for Renderer<B, T> +where + B: Backend, +{ + type Geometry = B::Geometry; + + fn draw(&mut self, layers: Vec<Self::Geometry>) { + self.primitives + .extend(layers.into_iter().map(B::Geometry::into)); + } +} diff --git a/graphics/src/triangle.rs b/graphics/src/triangle.rs index f52b2339..09b61767 100644 --- a/graphics/src/triangle.rs +++ b/graphics/src/triangle.rs @@ -1,33 +1 @@ //! Draw geometry using meshes of triangles. -use bytemuck::{Pod, Zeroable}; - -/// A set of [`Vertex2D`] and indices representing a list of triangles. -#[derive(Clone, Debug)] -pub struct Mesh2D<T> { - /// The vertices of the mesh - pub vertices: Vec<T>, - - /// The list of vertex indices that defines the triangles of the mesh. - /// - /// Therefore, this list should always have a length that is a multiple of 3. - pub indices: Vec<u32>, -} - -/// A two-dimensional vertex. -#[derive(Copy, Clone, Debug, Zeroable, Pod)] -#[repr(C)] -pub struct Vertex2D { - /// The vertex position in 2D space. - pub position: [f32; 2], -} - -/// A two-dimensional vertex with a color. -#[derive(Copy, Clone, Debug, Zeroable, Pod)] -#[repr(C)] -pub struct ColoredVertex2D { - /// The vertex position in 2D space. - pub position: [f32; 2], - - /// The color of the vertex in __linear__ RGBA. - pub color: [f32; 4], -} diff --git a/native/Cargo.toml b/native/Cargo.toml index 3f92783e..23533e33 100644 --- a/native/Cargo.toml +++ b/native/Cargo.toml @@ -8,12 +8,14 @@ license = "MIT" repository = "https://github.com/iced-rs/iced" [features] +canvas = ["lyon_path"] debug = [] [dependencies] twox-hash = { version = "1.5", default-features = false } unicode-segmentation = "1.6" num-traits = "0.2" +thiserror = "1" [dependencies.iced_core] version = "0.8" @@ -27,3 +29,7 @@ features = ["thread-pool"] [dependencies.iced_style] version = "0.7" path = "../style" + +[dependencies.lyon_path] +version = "1" +optional = true diff --git a/native/src/lib.rs b/native/src/lib.rs index 27b6fc0d..c98827e7 100644 --- a/native/src/lib.rs +++ b/native/src/lib.rs @@ -33,7 +33,7 @@ )] #![deny( missing_debug_implementations, - missing_docs, + //missing_docs, unused_results, clippy::extra_unused_lifetimes, clippy::from_over_into, @@ -79,6 +79,7 @@ mod debug; mod debug; pub use iced_core::alignment; +pub use iced_core::gradient; pub use iced_core::time; pub use iced_core::{ color, Alignment, Background, Color, ContentFit, Length, Padding, Pixels, @@ -97,6 +98,7 @@ pub use debug::Debug; pub use element::Element; pub use event::Event; pub use font::Font; +pub use gradient::Gradient; pub use hasher::Hasher; pub use layout::Layout; pub use overlay::Overlay; diff --git a/native/src/widget.rs b/native/src/widget.rs index 2b3ca7be..27330894 100644 --- a/native/src/widget.rs +++ b/native/src/widget.rs @@ -83,6 +83,22 @@ pub use tree::Tree; #[doc(no_inline)] pub use vertical_slider::VerticalSlider; +#[cfg(feature = "canvas")] +#[cfg_attr(docsrs, doc(cfg(feature = "canvas")))] +pub mod canvas; + +#[cfg(feature = "canvas")] +#[doc(no_inline)] +pub use canvas::Canvas; + +#[cfg(feature = "qr_code")] +#[cfg_attr(docsrs, doc(cfg(feature = "qr_code")))] +pub mod qr_code; + +#[cfg(feature = "qr_code")] +#[doc(no_inline)] +pub use qr_code::QRCode; + pub use action::Action; pub use id::Id; pub use operation::Operation; diff --git a/graphics/src/widget/canvas.rs b/native/src/widget/canvas.rs index a8d050f5..8a9addd2 100644 --- a/graphics/src/widget/canvas.rs +++ b/native/src/widget/canvas.rs @@ -8,34 +8,26 @@ pub mod fill; pub mod path; pub mod stroke; -mod cache; mod cursor; -mod frame; -mod geometry; mod program; mod style; mod text; pub use crate::gradient::{self, Gradient}; -pub use cache::Cache; pub use cursor::Cursor; pub use event::Event; -pub use fill::{Fill, FillRule}; -pub use frame::Frame; -pub use geometry::Geometry; +pub use fill::Fill; pub use path::Path; pub use program::Program; pub use stroke::{LineCap, LineDash, LineJoin, Stroke}; pub use style::Style; pub use text::Text; -use crate::{Backend, Primitive, Renderer}; - -use iced_native::layout::{self, Layout}; -use iced_native::mouse; -use iced_native::renderer; -use iced_native::widget::tree::{self, Tree}; -use iced_native::{ +use crate::layout::{self, Layout}; +use crate::mouse; +use crate::renderer; +use crate::widget::tree::{self, Tree}; +use crate::{ Clipboard, Element, Length, Point, Rectangle, Shell, Size, Vector, Widget, }; @@ -85,20 +77,22 @@ use std::marker::PhantomData; /// let canvas = Canvas::new(Circle { radius: 50.0 }); /// ``` #[derive(Debug)] -pub struct Canvas<Message, Theme, P> +pub struct Canvas<Message, Renderer, P> where - P: Program<Message, Theme>, + Renderer: self::Renderer, + P: Program<Message, Renderer>, { width: Length, height: Length, program: P, message_: PhantomData<Message>, - theme_: PhantomData<Theme>, + theme_: PhantomData<Renderer>, } -impl<Message, Theme, P> Canvas<Message, Theme, P> +impl<Message, Renderer, P> Canvas<Message, Renderer, P> where - P: Program<Message, Theme>, + Renderer: self::Renderer, + P: Program<Message, Renderer>, { const DEFAULT_SIZE: f32 = 100.0; @@ -126,10 +120,11 @@ where } } -impl<Message, P, B, T> Widget<Message, Renderer<B, T>> for Canvas<Message, T, P> +impl<Message, Renderer, P> Widget<Message, Renderer> + for Canvas<Message, Renderer, P> where - P: Program<Message, T>, - B: Backend, + Renderer: self::Renderer, + P: Program<Message, Renderer>, { fn tag(&self) -> tree::Tag { struct Tag<T>(T); @@ -150,7 +145,7 @@ where fn layout( &self, - _renderer: &Renderer<B, T>, + _renderer: &Renderer, limits: &layout::Limits, ) -> layout::Node { let limits = limits.width(self.width).height(self.height); @@ -162,23 +157,19 @@ where fn on_event( &mut self, tree: &mut Tree, - event: iced_native::Event, + event: crate::Event, layout: Layout<'_>, cursor_position: Point, - _renderer: &Renderer<B, T>, + _renderer: &Renderer, _clipboard: &mut dyn Clipboard, shell: &mut Shell<'_, Message>, ) -> event::Status { let bounds = layout.bounds(); let canvas_event = match event { - iced_native::Event::Mouse(mouse_event) => { - Some(Event::Mouse(mouse_event)) - } - iced_native::Event::Touch(touch_event) => { - Some(Event::Touch(touch_event)) - } - iced_native::Event::Keyboard(keyboard_event) => { + crate::Event::Mouse(mouse_event) => Some(Event::Mouse(mouse_event)), + crate::Event::Touch(touch_event) => Some(Event::Touch(touch_event)), + crate::Event::Keyboard(keyboard_event) => { Some(Event::Keyboard(keyboard_event)) } _ => None, @@ -208,7 +199,7 @@ where layout: Layout<'_>, cursor_position: Point, _viewport: &Rectangle, - _renderer: &Renderer<B, T>, + _renderer: &Renderer, ) -> mouse::Interaction { let bounds = layout.bounds(); let cursor = Cursor::from_window_position(cursor_position); @@ -220,49 +211,49 @@ where fn draw( &self, tree: &Tree, - renderer: &mut Renderer<B, T>, - theme: &T, + renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, _viewport: &Rectangle, ) { - use iced_native::Renderer as _; - let bounds = layout.bounds(); if bounds.width < 1.0 || bounds.height < 1.0 { return; } - let translation = Vector::new(bounds.x, bounds.y); let cursor = Cursor::from_window_position(cursor_position); let state = tree.state.downcast_ref::<P::State>(); - renderer.with_translation(translation, |renderer| { - renderer.draw_primitive(Primitive::Group { - primitives: self - .program - .draw(state, theme, bounds, cursor) - .into_iter() - .map(Geometry::into_primitive) - .collect(), - }); - }); + renderer.with_translation( + Vector::new(bounds.x, bounds.y), + |renderer| { + renderer.draw( + self.program.draw(state, renderer, theme, bounds, cursor), + ); + }, + ); } } -impl<'a, Message, P, B, T> From<Canvas<Message, T, P>> - for Element<'a, Message, Renderer<B, T>> +impl<'a, Message, Renderer, P> From<Canvas<Message, Renderer, P>> + for Element<'a, Message, Renderer> where Message: 'a, - P: Program<Message, T> + 'a, - B: Backend, - T: 'a, + Renderer: 'a + self::Renderer, + P: Program<Message, Renderer> + 'a, { fn from( - canvas: Canvas<Message, T, P>, - ) -> Element<'a, Message, Renderer<B, T>> { + canvas: Canvas<Message, Renderer, P>, + ) -> Element<'a, Message, Renderer> { Element::new(canvas) } } + +pub trait Renderer: crate::Renderer { + type Geometry; + + fn draw(&mut self, geometry: Vec<Self::Geometry>); +} diff --git a/graphics/src/widget/canvas/cursor.rs b/native/src/widget/canvas/cursor.rs index 9588d129..ef6a7771 100644 --- a/graphics/src/widget/canvas/cursor.rs +++ b/native/src/widget/canvas/cursor.rs @@ -1,4 +1,4 @@ -use iced_native::{Point, Rectangle}; +use crate::{Point, Rectangle}; /// The mouse cursor state. #[derive(Debug, Clone, Copy, PartialEq)] diff --git a/graphics/src/widget/canvas/event.rs b/native/src/widget/canvas/event.rs index 7c733a4d..1d726577 100644 --- a/graphics/src/widget/canvas/event.rs +++ b/native/src/widget/canvas/event.rs @@ -1,9 +1,9 @@ //! Handle events of a canvas. -use iced_native::keyboard; -use iced_native::mouse; -use iced_native::touch; +use crate::keyboard; +use crate::mouse; +use crate::touch; -pub use iced_native::event::Status; +pub use crate::event::Status; /// A [`Canvas`] event. /// diff --git a/graphics/src/widget/canvas/fill.rs b/native/src/widget/canvas/fill.rs index e954ebb5..92b1e47e 100644 --- a/graphics/src/widget/canvas/fill.rs +++ b/native/src/widget/canvas/fill.rs @@ -1,5 +1,6 @@ //! Fill [crate::widget::canvas::Geometry] with a certain style. -use crate::{Color, Gradient}; +use crate::widget::canvas::Gradient; +use crate::Color; pub use crate::widget::canvas::Style; @@ -19,14 +20,14 @@ pub struct Fill { /// By default, it is set to `NonZero`. /// /// [1]: https://www.w3.org/TR/SVG/painting.html#FillRuleProperty - pub rule: FillRule, + pub rule: Rule, } impl Default for Fill { fn default() -> Self { Self { style: Style::Solid(Color::BLACK), - rule: FillRule::NonZero, + rule: Rule::NonZero, } } } @@ -57,16 +58,7 @@ impl From<Gradient> for Fill { /// [1]: https://www.w3.org/TR/SVG/painting.html#FillRuleProperty #[derive(Debug, Clone, Copy, PartialEq, Eq)] #[allow(missing_docs)] -pub enum FillRule { +pub enum Rule { NonZero, EvenOdd, } - -impl From<FillRule> for lyon::tessellation::FillRule { - fn from(rule: FillRule) -> lyon::tessellation::FillRule { - match rule { - FillRule::NonZero => lyon::tessellation::FillRule::NonZero, - FillRule::EvenOdd => lyon::tessellation::FillRule::EvenOdd, - } - } -} diff --git a/graphics/src/widget/canvas/path.rs b/native/src/widget/canvas/path.rs index aeb2589e..30c387c5 100644 --- a/graphics/src/widget/canvas/path.rs +++ b/native/src/widget/canvas/path.rs @@ -7,18 +7,16 @@ mod builder; pub use arc::Arc; pub use builder::Builder; -use crate::widget::canvas::LineDash; +pub use lyon_path; -use iced_native::{Point, Size}; -use lyon::algorithms::walk::{walk_along_path, RepeatedPattern, WalkerEvent}; -use lyon::path::iterator::PathIterator; +use crate::{Point, Size}; /// An immutable set of points that may or may not be connected. /// /// A single [`Path`] can represent different kinds of 2D shapes! #[derive(Debug, Clone)] pub struct Path { - raw: lyon::path::Path, + raw: lyon_path::Path, } impl Path { @@ -56,54 +54,14 @@ impl Path { } #[inline] - pub(crate) fn raw(&self) -> &lyon::path::Path { + pub fn raw(&self) -> &lyon_path::Path { &self.raw } #[inline] - pub(crate) fn transformed( - &self, - transform: &lyon::math::Transform, - ) -> Path { + pub fn transform(&self, transform: &lyon_path::math::Transform) -> Path { Path { raw: self.raw.clone().transformed(transform), } } } - -pub(super) fn dashed(path: &Path, line_dash: LineDash<'_>) -> Path { - Path::new(|builder| { - let segments_odd = (line_dash.segments.len() % 2 == 1) - .then(|| [line_dash.segments, line_dash.segments].concat()); - - let mut draw_line = false; - - walk_along_path( - path.raw().iter().flattened(0.01), - 0.0, - lyon::tessellation::StrokeOptions::DEFAULT_TOLERANCE, - &mut RepeatedPattern { - callback: |event: WalkerEvent<'_>| { - let point = Point { - x: event.position.x, - y: event.position.y, - }; - - if draw_line { - builder.line_to(point); - } else { - builder.move_to(point); - } - - draw_line = !draw_line; - - true - }, - index: line_dash.offset, - intervals: segments_odd - .as_deref() - .unwrap_or(line_dash.segments), - }, - ); - }) -} diff --git a/graphics/src/widget/canvas/path/arc.rs b/native/src/widget/canvas/path/arc.rs index b8e72daf..e0747d3e 100644 --- a/graphics/src/widget/canvas/path/arc.rs +++ b/native/src/widget/canvas/path/arc.rs @@ -1,5 +1,5 @@ //! Build and draw curves. -use iced_native::{Point, Vector}; +use crate::{Point, Vector}; /// A segment of a differentiable curve. #[derive(Debug, Clone, Copy)] diff --git a/graphics/src/widget/canvas/path/builder.rs b/native/src/widget/canvas/path/builder.rs index 5121aa68..84fda052 100644 --- a/graphics/src/widget/canvas/path/builder.rs +++ b/native/src/widget/canvas/path/builder.rs @@ -1,35 +1,37 @@ use crate::widget::canvas::path::{arc, Arc, Path}; +use crate::{Point, Size}; -use iced_native::{Point, Size}; -use lyon::path::builder::SvgPathBuilder; +use lyon_path::builder::{self, SvgPathBuilder}; +use lyon_path::geom; +use lyon_path::math; /// A [`Path`] builder. /// /// Once a [`Path`] is built, it can no longer be mutated. #[allow(missing_debug_implementations)] pub struct Builder { - raw: lyon::path::builder::WithSvg<lyon::path::path::BuilderImpl>, + raw: builder::WithSvg<lyon_path::path::BuilderImpl>, } impl Builder { /// Creates a new [`Builder`]. pub fn new() -> Builder { Builder { - raw: lyon::path::Path::builder().with_svg(), + raw: lyon_path::Path::builder().with_svg(), } } /// Moves the starting point of a new sub-path to the given `Point`. #[inline] pub fn move_to(&mut self, point: Point) { - let _ = self.raw.move_to(lyon::math::Point::new(point.x, point.y)); + let _ = self.raw.move_to(math::Point::new(point.x, point.y)); } /// Connects the last point in the [`Path`] to the given `Point` with a /// straight line. #[inline] pub fn line_to(&mut self, point: Point) { - let _ = self.raw.line_to(lyon::math::Point::new(point.x, point.y)); + let _ = self.raw.line_to(math::Point::new(point.x, point.y)); } /// Adds an [`Arc`] to the [`Path`] from `start_angle` to `end_angle` in @@ -53,8 +55,6 @@ impl Builder { /// See [the HTML5 specification of `arcTo`](https://html.spec.whatwg.org/multipage/canvas.html#building-paths:dom-context-2d-arcto) /// for more details and examples. pub fn arc_to(&mut self, a: Point, b: Point, radius: f32) { - use lyon::{math, path}; - let start = self.raw.current_position(); let mid = math::Point::new(a.x, a.y); let end = math::Point::new(b.x, b.y); @@ -92,7 +92,7 @@ impl Builder { self.raw.arc_to( math::Vector::new(radius, radius), math::Angle::radians(0.0), - path::ArcFlags { + lyon_path::ArcFlags { large_arc: false, sweep, }, @@ -102,8 +102,6 @@ impl Builder { /// Adds an ellipse to the [`Path`] using a clockwise direction. pub fn ellipse(&mut self, arc: arc::Elliptical) { - use lyon::{geom, math}; - let arc = geom::Arc { center: math::Point::new(arc.center.x, arc.center.y), radii: math::Vector::new(arc.radii.x, arc.radii.y), @@ -128,8 +126,6 @@ impl Builder { control_b: Point, to: Point, ) { - use lyon::math; - let _ = self.raw.cubic_bezier_to( math::Point::new(control_a.x, control_a.y), math::Point::new(control_b.x, control_b.y), @@ -141,8 +137,6 @@ impl Builder { /// and its end point. #[inline] pub fn quadratic_curve_to(&mut self, control: Point, to: Point) { - use lyon::math; - let _ = self.raw.quadratic_bezier_to( math::Point::new(control.x, control.y), math::Point::new(to.x, to.y), diff --git a/graphics/src/widget/canvas/program.rs b/native/src/widget/canvas/program.rs index 656dbfa6..17a5a137 100644 --- a/graphics/src/widget/canvas/program.rs +++ b/native/src/widget/canvas/program.rs @@ -1,6 +1,6 @@ use crate::widget::canvas::event::{self, Event}; use crate::widget::canvas::mouse; -use crate::widget::canvas::{Cursor, Geometry}; +use crate::widget::canvas::{Cursor, Renderer}; use crate::Rectangle; /// The state and logic of a [`Canvas`]. @@ -9,7 +9,10 @@ use crate::Rectangle; /// application. /// /// [`Canvas`]: crate::widget::Canvas -pub trait Program<Message, Theme = iced_native::Theme> { +pub trait Program<Message, Renderer> +where + Renderer: self::Renderer, +{ /// The internal state mutated by the [`Program`]. type State: Default + 'static; @@ -44,10 +47,11 @@ pub trait Program<Message, Theme = iced_native::Theme> { fn draw( &self, state: &Self::State, - theme: &Theme, + renderer: &Renderer, + theme: &Renderer::Theme, bounds: Rectangle, cursor: Cursor, - ) -> Vec<Geometry>; + ) -> Vec<Renderer::Geometry>; /// Returns the current mouse interaction of the [`Program`]. /// @@ -65,9 +69,10 @@ pub trait Program<Message, Theme = iced_native::Theme> { } } -impl<Message, Theme, T> Program<Message, Theme> for &T +impl<Message, Renderer, T> Program<Message, Renderer> for &T where - T: Program<Message, Theme>, + Renderer: self::Renderer, + T: Program<Message, Renderer>, { type State = T::State; @@ -84,11 +89,12 @@ where fn draw( &self, state: &Self::State, - theme: &Theme, + renderer: &Renderer, + theme: &Renderer::Theme, bounds: Rectangle, cursor: Cursor, - ) -> Vec<Geometry> { - T::draw(self, state, theme, bounds, cursor) + ) -> Vec<Renderer::Geometry> { + T::draw(self, state, renderer, theme, bounds, cursor) } fn mouse_interaction( diff --git a/graphics/src/widget/canvas/stroke.rs b/native/src/widget/canvas/stroke.rs index 4c19251d..ab4727b2 100644 --- a/graphics/src/widget/canvas/stroke.rs +++ b/native/src/widget/canvas/stroke.rs @@ -1,7 +1,7 @@ //! Create lines from a [crate::widget::canvas::Path] and assigns them various attributes/styles. pub use crate::widget::canvas::Style; -use iced_native::Color; +use crate::Color; /// The style of a stroke. #[derive(Debug, Clone)] @@ -77,16 +77,6 @@ impl Default for LineCap { } } -impl From<LineCap> for lyon::tessellation::LineCap { - fn from(line_cap: LineCap) -> lyon::tessellation::LineCap { - match line_cap { - LineCap::Butt => lyon::tessellation::LineCap::Butt, - LineCap::Square => lyon::tessellation::LineCap::Square, - LineCap::Round => lyon::tessellation::LineCap::Round, - } - } -} - /// The shape used at the corners of paths or basic shapes when they are /// stroked. #[derive(Debug, Clone, Copy)] @@ -105,16 +95,6 @@ impl Default for LineJoin { } } -impl From<LineJoin> for lyon::tessellation::LineJoin { - fn from(line_join: LineJoin) -> lyon::tessellation::LineJoin { - match line_join { - LineJoin::Miter => lyon::tessellation::LineJoin::Miter, - LineJoin::Round => lyon::tessellation::LineJoin::Round, - LineJoin::Bevel => lyon::tessellation::LineJoin::Bevel, - } - } -} - /// The dash pattern used when stroking the line. #[derive(Debug, Clone, Copy, Default)] pub struct LineDash<'a> { diff --git a/graphics/src/widget/canvas/style.rs b/native/src/widget/canvas/style.rs index 6794f2e7..2642fdb8 100644 --- a/graphics/src/widget/canvas/style.rs +++ b/native/src/widget/canvas/style.rs @@ -1,4 +1,5 @@ -use crate::{Color, Gradient}; +use crate::widget::canvas::Gradient; +use crate::Color; /// The coloring style of some drawing. #[derive(Debug, Clone, PartialEq)] diff --git a/graphics/src/widget/canvas/text.rs b/native/src/widget/canvas/text.rs index 8c0b2dfb..8c0b2dfb 100644 --- a/graphics/src/widget/canvas/text.rs +++ b/native/src/widget/canvas/text.rs diff --git a/renderer/Cargo.toml b/renderer/Cargo.toml index 1f21f06b..429b55c2 100644 --- a/renderer/Cargo.toml +++ b/renderer/Cargo.toml @@ -6,12 +6,13 @@ edition = "2021" [features] image = ["iced_wgpu/image", "iced_tiny_skia/image"] svg = ["iced_wgpu/svg", "iced_tiny_skia/svg"] -canvas = ["iced_graphics/canvas"] -qr_code = ["iced_graphics/qr_code"] +canvas = ["iced_wgpu/canvas", "iced_tiny_skia/canvas"] +qr_code = ["canvas", "qrcode"] tracing = ["iced_wgpu/tracing"] [dependencies] raw-window-handle = "0.5" +thiserror = "1" [dependencies.iced_native] version = "0.9" @@ -30,3 +31,8 @@ iced_wgpu = { version = "0.9", path = "../wgpu" } [target.'cfg(target_arch = "wasm32")'.dependencies] iced_wgpu = { version = "0.9", path = "../wgpu", features = ["webgl"] } + +[dependencies.qrcode] +version = "0.12" +optional = true +default-features = false diff --git a/renderer/src/backend.rs b/renderer/src/backend.rs index b0a409dc..6c0b4e5c 100644 --- a/renderer/src/backend.rs +++ b/renderer/src/backend.rs @@ -1,4 +1,4 @@ -use crate::{Font, Point, Size}; +use crate::{Font, Geometry, Point, Size}; use iced_graphics::backend; use iced_graphics::text; @@ -12,6 +12,8 @@ pub enum Backend { } impl iced_graphics::Backend for Backend { + type Geometry = Geometry; + fn trim_measurements(&mut self) { match self { Self::Wgpu(backend) => backend.trim_measurements(), diff --git a/renderer/src/lib.rs b/renderer/src/lib.rs index f9bfc373..d9c85e82 100644 --- a/renderer/src/lib.rs +++ b/renderer/src/lib.rs @@ -4,11 +4,14 @@ pub mod window; mod backend; mod settings; +pub use iced_graphics::primitive; + pub use backend::Backend; +pub use primitive::Primitive; pub use settings::Settings; pub use iced_graphics::{ - Antialiasing, Color, Error, Font, Point, Size, Viewport, + Antialiasing, Color, Error, Font, Point, Rectangle, Size, Vector, Viewport, }; /// The default graphics renderer for [`iced`]. @@ -16,3 +19,12 @@ pub use iced_graphics::{ /// [`iced`]: https://github.com/iced-rs/iced pub type Renderer<Theme = iced_native::Theme> = iced_graphics::Renderer<Backend, Theme>; + +#[derive(Debug, Clone)] +pub struct Geometry(pub(crate) Primitive); + +impl From<Geometry> for Primitive { + fn from(geometry: Geometry) -> Self { + geometry.0 + } +} diff --git a/renderer/src/widget.rs b/renderer/src/widget.rs index 417cc06f..6c0c2a83 100644 --- a/renderer/src/widget.rs +++ b/renderer/src/widget.rs @@ -1,5 +1,11 @@ -#[cfg(feature = "qr_code")] -pub use iced_graphics::widget::qr_code; +#[cfg(feature = "canvas")] +pub mod canvas; #[cfg(feature = "canvas")] -pub use iced_graphics::widget::canvas; +pub use canvas::Canvas; + +#[cfg(feature = "qr_code")] +pub mod qr_code; + +#[cfg(feature = "qr_code")] +pub use qr_code::QRCode; diff --git a/renderer/src/widget/canvas.rs b/renderer/src/widget/canvas.rs new file mode 100644 index 00000000..f40a1097 --- /dev/null +++ b/renderer/src/widget/canvas.rs @@ -0,0 +1,177 @@ +mod cache; + +pub use cache::Cache; + +pub use iced_native::widget::canvas::event::{self, Event}; +pub use iced_native::widget::canvas::fill::{self, Fill}; +pub use iced_native::widget::canvas::gradient::{self, Gradient}; +pub use iced_native::widget::canvas::path::{self, Path}; +pub use iced_native::widget::canvas::stroke::{self, Stroke}; +pub use iced_native::widget::canvas::{ + Canvas, Cursor, LineCap, LineDash, LineJoin, Program, Renderer, Style, Text, +}; + +use crate::{Backend, Point, Rectangle, Size, Vector}; + +pub use crate::Geometry; + +pub enum Frame { + Wgpu(iced_wgpu::widget::canvas::Frame), + TinySkia(iced_tiny_skia::canvas::Frame), +} + +macro_rules! delegate { + ($frame:expr, $name:ident => $body:expr) => { + match $frame { + Self::Wgpu($name) => $body, + Self::TinySkia($name) => $body, + } + }; +} + +impl Frame { + pub fn new<Theme>(renderer: &crate::Renderer<Theme>, size: Size) -> Self { + match renderer.backend() { + Backend::Wgpu(_) => { + Frame::Wgpu(iced_wgpu::widget::canvas::Frame::new(size)) + } + Backend::TinySkia(_) => { + Frame::TinySkia(iced_tiny_skia::canvas::Frame::new(size)) + } + } + } + + /// Returns the width of the [`Frame`]. + #[inline] + pub fn width(&self) -> f32 { + delegate!(self, frame => frame.width()) + } + + /// Returns the height of the [`Frame`]. + #[inline] + pub fn height(&self) -> f32 { + delegate!(self, frame => frame.height()) + } + + /// Returns the dimensions of the [`Frame`]. + #[inline] + pub fn size(&self) -> Size { + delegate!(self, frame => frame.size()) + } + + /// Returns the coordinate of the center of the [`Frame`]. + #[inline] + pub fn center(&self) -> Point { + delegate!(self, frame => frame.center()) + } + + /// Draws the given [`Path`] on the [`Frame`] by filling it with the + /// provided style. + pub fn fill(&mut self, path: &Path, fill: impl Into<Fill>) { + delegate!(self, frame => frame.fill(path, fill)); + } + + /// Draws an axis-aligned rectangle given its top-left corner coordinate and + /// its `Size` on the [`Frame`] by filling it with the provided style. + pub fn fill_rectangle( + &mut self, + top_left: Point, + size: Size, + fill: impl Into<Fill>, + ) { + delegate!(self, frame => frame.fill_rectangle(top_left, size, fill)); + } + + /// Draws the stroke of the given [`Path`] on the [`Frame`] with the + /// provided style. + pub fn stroke<'a>(&mut self, path: &Path, stroke: impl Into<Stroke<'a>>) { + delegate!(self, frame => frame.stroke(path, stroke)); + } + + /// Draws the characters of the given [`Text`] on the [`Frame`], filling + /// them with the given color. + /// + /// __Warning:__ Text currently does not work well with rotations and scale + /// transforms! The position will be correctly transformed, but the + /// resulting glyphs will not be rotated or scaled properly. + /// + /// Additionally, all text will be rendered on top of all the layers of + /// a [`Canvas`]. Therefore, it is currently only meant to be used for + /// overlays, which is the most common use case. + /// + /// Support for vectorial text is planned, and should address all these + /// limitations. + /// + /// [`Canvas`]: crate::widget::Canvas + pub fn fill_text(&mut self, text: impl Into<Text>) { + delegate!(self, frame => frame.fill_text(text)); + } + + /// Stores the current transform of the [`Frame`] and executes the given + /// drawing operations, restoring the transform afterwards. + /// + /// This method is useful to compose transforms and perform drawing + /// operations in different coordinate systems. + #[inline] + pub fn with_save(&mut self, f: impl FnOnce(&mut Frame)) { + delegate!(self, frame => frame.push_transform()); + + f(self); + + delegate!(self, frame => frame.pop_transform()); + } + + /// Executes the given drawing operations within a [`Rectangle`] region, + /// clipping any geometry that overflows its bounds. Any transformations + /// performed are local to the provided closure. + /// + /// This method is useful to perform drawing operations that need to be + /// clipped. + #[inline] + pub fn with_clip(&mut self, region: Rectangle, f: impl FnOnce(&mut Frame)) { + let mut frame = match self { + Self::Wgpu(_) => { + Self::Wgpu(iced_wgpu::widget::canvas::Frame::new(region.size())) + } + Self::TinySkia(_) => Self::TinySkia( + iced_tiny_skia::canvas::Frame::new(region.size()), + ), + }; + + f(&mut frame); + + let translation = Vector::new(region.x, region.y); + + match (self, frame) { + (Self::Wgpu(target), Self::Wgpu(frame)) => { + target.clip(frame, translation); + } + (Self::TinySkia(target), Self::TinySkia(frame)) => { + target.clip(frame, translation); + } + _ => unreachable!(), + }; + } + + /// Applies a translation to the current transform of the [`Frame`]. + #[inline] + pub fn translate(&mut self, translation: Vector) { + delegate!(self, frame => frame.translate(translation)); + } + + /// Applies a rotation in radians to the current transform of the [`Frame`]. + #[inline] + pub fn rotate(&mut self, angle: f32) { + delegate!(self, frame => frame.rotate(angle)); + } + + /// Applies a scaling to the current transform of the [`Frame`]. + #[inline] + pub fn scale(&mut self, scale: f32) { + delegate!(self, frame => frame.scale(scale)); + } + + pub fn into_geometry(self) -> Geometry { + Geometry(delegate!(self, frame => frame.into_primitive())) + } +} diff --git a/renderer/src/widget/canvas/cache.rs b/renderer/src/widget/canvas/cache.rs new file mode 100644 index 00000000..7d6b4811 --- /dev/null +++ b/renderer/src/widget/canvas/cache.rs @@ -0,0 +1,85 @@ +use crate::widget::canvas::{Frame, Geometry}; +use crate::{Primitive, Renderer, Size}; + +use std::cell::RefCell; +use std::sync::Arc; + +/// A simple cache that stores generated [`Geometry`] to avoid recomputation. +/// +/// A [`Cache`] will not redraw its geometry unless the dimensions of its layer +/// change or it is explicitly cleared. +#[derive(Debug, Default)] +pub struct Cache { + state: RefCell<State>, +} + +#[derive(Debug, Default)] +enum State { + #[default] + Empty, + Filled { + bounds: Size, + primitive: Arc<Primitive>, + }, +} + +impl Cache { + /// Creates a new empty [`Cache`]. + pub fn new() -> Self { + Cache { + state: Default::default(), + } + } + + /// Clears the [`Cache`], forcing a redraw the next time it is used. + pub fn clear(&self) { + *self.state.borrow_mut() = State::Empty; + } + + /// Draws [`Geometry`] using the provided closure and stores it in the + /// [`Cache`]. + /// + /// The closure will only be called when + /// - the bounds have changed since the previous draw call. + /// - the [`Cache`] is empty or has been explicitly cleared. + /// + /// Otherwise, the previously stored [`Geometry`] will be returned. The + /// [`Cache`] is not cleared in this case. In other words, it will keep + /// returning the stored [`Geometry`] if needed. + pub fn draw<Theme>( + &self, + renderer: &Renderer<Theme>, + bounds: Size, + draw_fn: impl FnOnce(&mut Frame), + ) -> Geometry { + use std::ops::Deref; + + if let State::Filled { + bounds: cached_bounds, + primitive, + } = self.state.borrow().deref() + { + if *cached_bounds == bounds { + return Geometry(Primitive::Cache { + content: primitive.clone(), + }); + } + } + + let mut frame = Frame::new(renderer, bounds); + draw_fn(&mut frame); + + let primitive = { + let geometry = frame.into_geometry(); + + Arc::new(geometry.0) + }; + + *self.state.borrow_mut() = State::Filled { + bounds, + primitive: primitive.clone(), + }; + + Geometry(Primitive::Cache { content: primitive }) + } +} diff --git a/graphics/src/widget/qr_code.rs b/renderer/src/widget/qr_code.rs index 12ce5b1f..aae4ec88 100644 --- a/graphics/src/widget/qr_code.rs +++ b/renderer/src/widget/qr_code.rs @@ -1,7 +1,8 @@ //! Encode and display information in a QR code. -use crate::renderer::{self, Renderer}; use crate::widget::canvas; -use crate::Backend; +use crate::Renderer; + +use iced_graphics::renderer; use iced_native::layout; use iced_native::widget::Tree; @@ -48,10 +49,7 @@ impl<'a> QRCode<'a> { } } -impl<'a, Message, B, T> Widget<Message, Renderer<B, T>> for QRCode<'a> -where - B: Backend, -{ +impl<'a, Message, Theme> Widget<Message, Renderer<Theme>> for QRCode<'a> { fn width(&self) -> Length { Length::Shrink } @@ -62,7 +60,7 @@ where fn layout( &self, - _renderer: &Renderer<B, T>, + _renderer: &Renderer<Theme>, _limits: &layout::Limits, ) -> layout::Node { let side_length = (self.state.width + 2 * QUIET_ZONE) as f32 @@ -74,8 +72,8 @@ where fn draw( &self, _state: &Tree, - renderer: &mut Renderer<B, T>, - _theme: &T, + renderer: &mut Renderer<Theme>, + _theme: &Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, @@ -87,50 +85,52 @@ where let side_length = self.state.width + 2 * QUIET_ZONE; // Reuse cache if possible - let geometry = self.state.cache.draw(bounds.size(), |frame| { - // Scale units to cell size - frame.scale(f32::from(self.cell_size)); - - // Draw background - frame.fill_rectangle( - Point::ORIGIN, - Size::new(side_length as f32, side_length as f32), - self.light, - ); - - // Avoid drawing on the quiet zone - frame.translate(Vector::new(QUIET_ZONE as f32, QUIET_ZONE as f32)); - - // Draw contents - self.state - .contents - .iter() - .enumerate() - .filter(|(_, value)| **value == qrcode::Color::Dark) - .for_each(|(index, _)| { - let row = index / self.state.width; - let column = index % self.state.width; - - frame.fill_rectangle( - Point::new(column as f32, row as f32), - Size::UNIT, - self.dark, - ); - }); - }); + let geometry = + self.state.cache.draw(renderer, bounds.size(), |frame| { + // Scale units to cell size + frame.scale(f32::from(self.cell_size)); + + // Draw background + frame.fill_rectangle( + Point::ORIGIN, + Size::new(side_length as f32, side_length as f32), + self.light, + ); + + // Avoid drawing on the quiet zone + frame.translate(Vector::new( + QUIET_ZONE as f32, + QUIET_ZONE as f32, + )); + + // Draw contents + self.state + .contents + .iter() + .enumerate() + .filter(|(_, value)| **value == qrcode::Color::Dark) + .for_each(|(index, _)| { + let row = index / self.state.width; + let column = index % self.state.width; + + frame.fill_rectangle( + Point::new(column as f32, row as f32), + Size::UNIT, + self.dark, + ); + }); + }); let translation = Vector::new(bounds.x, bounds.y); renderer.with_translation(translation, |renderer| { - renderer.draw_primitive(geometry.into_primitive()); + renderer.draw_primitive(geometry.0); }); } } -impl<'a, Message, B, T> From<QRCode<'a>> - for Element<'a, Message, Renderer<B, T>> -where - B: Backend, +impl<'a, Message, Theme> From<QRCode<'a>> + for Element<'a, Message, Renderer<Theme>> { fn from(qr_code: QRCode<'a>) -> Self { Self::new(qr_code) diff --git a/src/widget.rs b/src/widget.rs index 04cb0e50..f3a66101 100644 --- a/src/widget.rs +++ b/src/widget.rs @@ -170,9 +170,10 @@ pub use iced_renderer::widget::canvas; #[cfg(feature = "canvas")] #[cfg_attr(docsrs, doc(cfg(feature = "canvas")))] /// Creates a new [`Canvas`]. -pub fn canvas<P, Message, Theme>(program: P) -> Canvas<Message, Theme, P> +pub fn canvas<P, Message, Renderer>(program: P) -> Canvas<Message, Renderer, P> where - P: canvas::Program<Message, Theme>, + Renderer: canvas::Renderer, + P: canvas::Program<Message, Renderer>, { Canvas::new(program) } diff --git a/tiny_skia/Cargo.toml b/tiny_skia/Cargo.toml index 781e7d34..5f39fce2 100644 --- a/tiny_skia/Cargo.toml +++ b/tiny_skia/Cargo.toml @@ -6,6 +6,7 @@ edition = "2021" [features] image = [] svg = [] +canvas = ["iced_native/canvas"] [dependencies] raw-window-handle = "0.5" diff --git a/tiny_skia/src/backend.rs b/tiny_skia/src/backend.rs index 66d83221..e08cede7 100644 --- a/tiny_skia/src/backend.rs +++ b/tiny_skia/src/backend.rs @@ -1,9 +1,9 @@ -use crate::{Color, Font, Settings, Size, Viewport}; +use crate::{Color, Font, Primitive, Settings, Size, Viewport}; use iced_graphics::alignment; use iced_graphics::backend; use iced_graphics::text; -use iced_graphics::{Background, Primitive, Rectangle, Vector}; +use iced_graphics::{Background, Rectangle, Vector}; use std::borrow::Cow; @@ -81,7 +81,6 @@ impl Backend { translation: Vector, ) { match primitive { - Primitive::None => {} Primitive::Quad { bounds, background, @@ -161,6 +160,38 @@ impl Backend { Primitive::Svg { .. } => { // TODO } + Primitive::Fill { + path, + paint, + rule, + transform, + } => { + pixels.fill_path( + path, + paint, + *rule, + transform + .post_translate(translation.x, translation.y) + .post_scale(scale_factor, scale_factor), + clip_mask, + ); + } + Primitive::Stroke { + path, + paint, + stroke, + transform, + } => { + pixels.stroke_path( + path, + paint, + stroke, + transform + .post_translate(translation.x, translation.y) + .post_scale(scale_factor, scale_factor), + clip_mask, + ); + } Primitive::Group { primitives } => { for primitive in primitives { self.draw_primitive( @@ -196,16 +227,19 @@ impl Backend { translation, ); } - Primitive::Cached { cache } => { + Primitive::Cache { content } => { self.draw_primitive( - cache, + content, pixels, clip_mask, scale_factor, translation, ); } - Primitive::SolidMesh { .. } | Primitive::GradientMesh { .. } => {} + Primitive::SolidMesh { .. } | Primitive::GradientMesh { .. } => { + // Not supported! + // TODO: Draw a placeholder (?) / Log it (?) + } } } } @@ -386,6 +420,8 @@ fn rectangular_clip_mask( } impl iced_graphics::Backend for Backend { + type Geometry = (); + fn trim_measurements(&mut self) { self.text_pipeline.trim_measurement_cache(); } diff --git a/tiny_skia/src/canvas.rs b/tiny_skia/src/canvas.rs new file mode 100644 index 00000000..c3b8b316 --- /dev/null +++ b/tiny_skia/src/canvas.rs @@ -0,0 +1,276 @@ +use crate::{Point, Primitive, Rectangle, Size, Vector}; + +use iced_native::widget::canvas::fill::{self, Fill}; +use iced_native::widget::canvas::stroke::{self, Stroke}; +use iced_native::widget::canvas::{Path, Style, Text}; +use iced_native::Gradient; + +pub struct Frame { + size: Size, + transform: tiny_skia::Transform, + stack: Vec<tiny_skia::Transform>, + primitives: Vec<Primitive>, +} + +impl Frame { + pub fn new(size: Size) -> Self { + Self { + size, + transform: tiny_skia::Transform::identity(), + stack: Vec::new(), + primitives: Vec::new(), + } + } + + pub fn width(&self) -> f32 { + self.size.width + } + + pub fn height(&self) -> f32 { + self.size.height + } + + pub fn size(&self) -> Size { + self.size + } + + pub fn center(&self) -> Point { + Point::new(self.size.width / 2.0, self.size.height / 2.0) + } + + pub fn fill(&mut self, path: &Path, fill: impl Into<Fill>) { + let path = convert_path(path); + let fill = fill.into(); + + self.primitives.push(Primitive::Fill { + path, + paint: into_paint(fill.style), + rule: into_fill_rule(fill.rule), + transform: self.transform, + }); + } + + pub fn fill_rectangle( + &mut self, + top_left: Point, + size: Size, + fill: impl Into<Fill>, + ) { + self.fill(&Path::rectangle(top_left, size), fill); + } + + pub fn stroke<'a>(&mut self, path: &Path, stroke: impl Into<Stroke<'a>>) { + let path = convert_path(path); + let stroke = stroke.into(); + let skia_stroke = into_stroke(&stroke); + + self.primitives.push(Primitive::Stroke { + path, + paint: into_paint(stroke.style), + stroke: skia_stroke, + transform: self.transform, + }); + } + + pub fn fill_text(&mut self, text: impl Into<Text>) { + let text = text.into(); + + let position = if self.transform.is_identity() { + text.position + } else { + let mut transformed = [tiny_skia::Point { + x: text.position.x, + y: text.position.y, + }]; + + self.transform.map_points(&mut transformed); + + Point::new(transformed[0].x, transformed[0].y) + }; + + // TODO: Use vectorial text instead of primitive + self.primitives.push(Primitive::Text { + content: text.content, + bounds: Rectangle { + x: position.x, + y: position.y, + width: f32::INFINITY, + height: f32::INFINITY, + }, + color: text.color, + size: text.size, + font: text.font, + horizontal_alignment: text.horizontal_alignment, + vertical_alignment: text.vertical_alignment, + }); + } + + pub fn push_transform(&mut self) { + self.stack.push(self.transform); + } + + pub fn pop_transform(&mut self) { + self.transform = self.stack.pop().expect("Pop transform"); + } + + pub fn clip(&mut self, _frame: Self, _translation: Vector) {} + + pub fn translate(&mut self, translation: Vector) { + self.transform = + self.transform.pre_translate(translation.x, translation.y); + } + + pub fn rotate(&mut self, angle: f32) { + self.transform = self + .transform + .pre_concat(tiny_skia::Transform::from_rotate(angle.to_degrees())); + } + + pub fn scale(&mut self, scale: f32) { + self.transform = self.transform.pre_scale(scale, scale); + } + + pub fn into_primitive(self) -> Primitive { + Primitive::Clip { + bounds: Rectangle::new(Point::ORIGIN, self.size), + content: Box::new(Primitive::Group { + primitives: self.primitives, + }), + } + } +} + +fn convert_path(path: &Path) -> tiny_skia::Path { + use iced_native::widget::canvas::path::lyon_path; + + let mut builder = tiny_skia::PathBuilder::new(); + let mut last_point = Default::default(); + + for event in path.raw().iter() { + match event { + lyon_path::Event::Begin { at } => { + builder.move_to(at.x, at.y); + + last_point = at; + } + lyon_path::Event::Line { from, to } => { + if last_point != from { + builder.move_to(from.x, from.y); + } + + builder.line_to(to.x, to.y); + + last_point = to; + } + lyon_path::Event::Quadratic { from, ctrl, to } => { + if last_point != from { + builder.move_to(from.x, from.y); + } + + builder.quad_to(ctrl.x, ctrl.y, to.x, to.y); + + last_point = to; + } + lyon_path::Event::Cubic { + from, + ctrl1, + ctrl2, + to, + } => { + if last_point != from { + builder.move_to(from.x, from.y); + } + + builder + .cubic_to(ctrl1.x, ctrl1.y, ctrl2.x, ctrl2.y, to.x, to.y); + + last_point = to; + } + lyon_path::Event::End { close, .. } => { + if close { + builder.close(); + } + } + } + } + + builder + .finish() + .expect("Convert lyon path to tiny_skia path") +} + +pub fn into_paint(style: Style) -> tiny_skia::Paint<'static> { + tiny_skia::Paint { + shader: match style { + Style::Solid(color) => tiny_skia::Shader::SolidColor( + tiny_skia::Color::from_rgba(color.b, color.g, color.r, color.a) + .expect("Create color"), + ), + Style::Gradient(gradient) => match gradient { + Gradient::Linear(linear) => tiny_skia::LinearGradient::new( + tiny_skia::Point { + x: linear.start.x, + y: linear.start.y, + }, + tiny_skia::Point { + x: linear.end.x, + y: linear.end.y, + }, + linear + .color_stops + .into_iter() + .map(|stop| { + tiny_skia::GradientStop::new( + stop.offset, + tiny_skia::Color::from_rgba( + stop.color.b, + stop.color.g, + stop.color.r, + stop.color.a, + ) + .expect("Create color"), + ) + }) + .collect(), + tiny_skia::SpreadMode::Pad, + tiny_skia::Transform::identity(), + ) + .expect("Create linear gradient"), + }, + }, + anti_alias: true, + ..Default::default() + } +} + +pub fn into_fill_rule(rule: fill::Rule) -> tiny_skia::FillRule { + match rule { + fill::Rule::EvenOdd => tiny_skia::FillRule::EvenOdd, + fill::Rule::NonZero => tiny_skia::FillRule::Winding, + } +} + +pub fn into_stroke(stroke: &Stroke) -> tiny_skia::Stroke { + tiny_skia::Stroke { + width: stroke.width, + line_cap: match stroke.line_cap { + stroke::LineCap::Butt => tiny_skia::LineCap::Butt, + stroke::LineCap::Square => tiny_skia::LineCap::Square, + stroke::LineCap::Round => tiny_skia::LineCap::Round, + }, + line_join: match stroke.line_join { + stroke::LineJoin::Miter => tiny_skia::LineJoin::Miter, + stroke::LineJoin::Round => tiny_skia::LineJoin::Round, + stroke::LineJoin::Bevel => tiny_skia::LineJoin::Bevel, + }, + dash: if stroke.line_dash.segments.is_empty() { + None + } else { + tiny_skia::StrokeDash::new( + stroke.line_dash.segments.into(), + stroke.line_dash.offset as f32, + ) + }, + ..Default::default() + } +} diff --git a/tiny_skia/src/lib.rs b/tiny_skia/src/lib.rs index 420a1ffb..e66e6412 100644 --- a/tiny_skia/src/lib.rs +++ b/tiny_skia/src/lib.rs @@ -4,10 +4,18 @@ mod backend; mod settings; mod text; +#[cfg(feature = "canvas")] +pub mod canvas; + +pub use iced_graphics::primitive; + pub use backend::Backend; +pub use primitive::Primitive; pub use settings::Settings; -pub use iced_graphics::{Color, Error, Font, Point, Size, Vector, Viewport}; +pub use iced_graphics::{ + Color, Error, Font, Point, Rectangle, Size, Vector, Viewport, +}; /// A [`tiny-skia`] graphics renderer for [`iced`]. /// diff --git a/tiny_skia/src/primitive.rs b/tiny_skia/src/primitive.rs new file mode 100644 index 00000000..22daaedc --- /dev/null +++ b/tiny_skia/src/primitive.rs @@ -0,0 +1,82 @@ +use crate::{Rectangle, Vector}; + +use std::sync::Arc; + +#[derive(Debug, Clone)] +pub enum Primitive { + /// A group of primitives + Group { + /// The primitives of the group + primitives: Vec<Primitive>, + }, + /// A clip primitive + Clip { + /// The bounds of the clip + bounds: Rectangle, + /// The content of the clip + content: Box<Primitive>, + }, + /// A primitive that applies a translation + Translate { + /// The translation vector + translation: Vector, + + /// The primitive to translate + content: Box<Primitive>, + }, + /// A cached primitive. + /// + /// This can be useful if you are implementing a widget where primitive + /// generation is expensive. + Cached { + /// The cached primitive + cache: Arc<Primitive>, + }, + /// A basic primitive. + Basic(iced_graphics::Primitive), +} + +impl iced_graphics::backend::Primitive for Primitive { + fn translate(self, translation: Vector) -> Self { + Self::Translate { + translation, + content: Box::new(self), + } + } + + fn clip(self, bounds: Rectangle) -> Self { + Self::Clip { + bounds, + content: Box::new(self), + } + } +} + +#[derive(Debug, Clone, Default)] +pub struct Recording(pub(crate) Vec<Primitive>); + +impl iced_graphics::backend::Recording for Recording { + type Primitive = Primitive; + + fn push(&mut self, primitive: Primitive) { + self.0.push(primitive); + } + + fn push_basic(&mut self, basic: iced_graphics::Primitive) { + self.0.push(Primitive::Basic(basic)); + } + + fn group(self) -> Self::Primitive { + Primitive::Group { primitives: self.0 } + } + + fn clear(&mut self) { + self.0.clear(); + } +} + +impl Recording { + pub fn primitives(&self) -> &[Primitive] { + &self.0 + } +} diff --git a/tiny_skia/src/window/compositor.rs b/tiny_skia/src/window/compositor.rs index 2bd5831e..08159cd8 100644 --- a/tiny_skia/src/window/compositor.rs +++ b/tiny_skia/src/window/compositor.rs @@ -1,7 +1,6 @@ -use crate::{Backend, Color, Error, Renderer, Settings, Viewport}; +use crate::{Backend, Color, Error, Primitive, Renderer, Settings, Viewport}; use iced_graphics::window::compositor::{self, Information, SurfaceError}; -use iced_graphics::Primitive; use raw_window_handle::{HasRawDisplayHandle, HasRawWindowHandle}; use std::marker::PhantomData; diff --git a/wgpu/Cargo.toml b/wgpu/Cargo.toml index 632873a3..0bcef71c 100644 --- a/wgpu/Cargo.toml +++ b/wgpu/Cargo.toml @@ -21,8 +21,7 @@ bmp = ["iced_graphics/bmp"] hdr = ["iced_graphics/hdr"] dds = ["iced_graphics/dds"] farbfeld = ["iced_graphics/farbfeld"] -canvas = ["iced_graphics/canvas"] -qr_code = ["iced_graphics/qr_code"] +canvas = ["iced_graphics/canvas", "lyon"] spirv = ["wgpu/spirv"] webgl = ["wgpu/webgl"] @@ -62,10 +61,6 @@ version = "0.2" git = "https://github.com/hecrj/glyphon.git" rev = "65b481d758f50fd13fc21af2cc5ef62ddee64955" -[dependencies.tracing] -version = "0.1.6" -optional = true - [dependencies.encase] version = "0.3.0" features = ["glam"] @@ -73,6 +68,14 @@ features = ["glam"] [dependencies.glam] version = "0.21.3" +[dependencies.lyon] +version = "1.0" +optional = true + +[dependencies.tracing] +version = "0.1.6" +optional = true + [package.metadata.docs.rs] rustdoc-args = ["--cfg", "docsrs"] all-features = true diff --git a/wgpu/src/backend.rs b/wgpu/src/backend.rs index e650d9a5..10dc5b4f 100644 --- a/wgpu/src/backend.rs +++ b/wgpu/src/backend.rs @@ -1,11 +1,10 @@ use crate::quad; use crate::text; use crate::triangle; -use crate::{Settings, Transformation}; +use crate::{Layer, Primitive, Settings, Transformation}; use iced_graphics::backend; -use iced_graphics::layer::Layer; -use iced_graphics::{Color, Font, Primitive, Size, Viewport}; +use iced_graphics::{Color, Font, Size, Viewport}; #[cfg(feature = "tracing")] use tracing::info_span; @@ -330,6 +329,8 @@ impl Backend { } impl iced_graphics::Backend for Backend { + type Geometry = (); + fn trim_measurements(&mut self) { self.text_pipeline.trim_measurement_cache() } diff --git a/wgpu/src/image.rs b/wgpu/src/image.rs index db05d2ff..2159a3ec 100644 --- a/wgpu/src/image.rs +++ b/wgpu/src/image.rs @@ -6,10 +6,10 @@ use iced_graphics::image::raster; #[cfg(feature = "svg")] use iced_graphics::image::vector; +use crate::layer; use crate::{Buffer, Transformation}; use atlas::Atlas; -use iced_graphics::layer; use iced_native::{Rectangle, Size}; use std::cell::RefCell; diff --git a/graphics/src/layer.rs b/wgpu/src/layer.rs index f6eb2fdd..0840555a 100644 --- a/graphics/src/layer.rs +++ b/wgpu/src/layer.rs @@ -10,10 +10,11 @@ pub use mesh::Mesh; pub use quad::Quad; pub use text::Text; -use crate::alignment; -use crate::{ - Background, Color, Font, Point, Primitive, Rectangle, Size, Vector, - Viewport, +use crate::Primitive; + +use iced_graphics::alignment; +use iced_graphics::{ + Background, Color, Font, Point, Rectangle, Size, Vector, Viewport, }; /// A group of primitives that should be clipped together. @@ -110,18 +111,6 @@ impl<'a> Layer<'a> { current_layer: usize, ) { match primitive { - Primitive::None => {} - Primitive::Group { primitives } => { - // TODO: Inspect a bit and regroup (?) - for primitive in primitives { - Self::process_primitive( - layers, - translation, - primitive, - current_layer, - ) - } - } Primitive::Text { content, bounds, @@ -167,6 +156,27 @@ impl<'a> Layer<'a> { border_color: border_color.into_linear(), }); } + Primitive::Image { handle, bounds } => { + let layer = &mut layers[current_layer]; + + layer.images.push(Image::Raster { + handle: handle.clone(), + bounds: *bounds + translation, + }); + } + Primitive::Svg { + handle, + color, + bounds, + } => { + let layer = &mut layers[current_layer]; + + layer.images.push(Image::Vector { + handle: handle.clone(), + color: *color, + bounds: *bounds + translation, + }); + } Primitive::SolidMesh { buffers, size } => { let layer = &mut layers[current_layer]; @@ -206,6 +216,17 @@ impl<'a> Layer<'a> { }); } } + Primitive::Group { primitives } => { + // TODO: Inspect a bit and regroup (?) + for primitive in primitives { + Self::process_primitive( + layers, + translation, + primitive, + current_layer, + ) + } + } Primitive::Clip { bounds, content } => { let layer = &mut layers[current_layer]; let translated_bounds = *bounds + translation; @@ -236,34 +257,17 @@ impl<'a> Layer<'a> { current_layer, ); } - Primitive::Cached { cache } => { + Primitive::Cache { content } => { Self::process_primitive( layers, translation, - cache, + content, current_layer, ); } - Primitive::Image { handle, bounds } => { - let layer = &mut layers[current_layer]; - - layer.images.push(Image::Raster { - handle: handle.clone(), - bounds: *bounds + translation, - }); - } - Primitive::Svg { - handle, - color, - bounds, - } => { - let layer = &mut layers[current_layer]; - - layer.images.push(Image::Vector { - handle: handle.clone(), - color: *color, - bounds: *bounds + translation, - }); + Primitive::Fill { .. } | Primitive::Stroke { .. } => { + // Unsupported! + // TODO: Draw a placeholder (?) } } } diff --git a/graphics/src/layer/image.rs b/wgpu/src/layer/image.rs index 3eff2397..3eff2397 100644 --- a/graphics/src/layer/image.rs +++ b/wgpu/src/layer/image.rs diff --git a/graphics/src/layer/mesh.rs b/wgpu/src/layer/mesh.rs index 7661c5c9..5c1e41ad 100644 --- a/graphics/src/layer/mesh.rs +++ b/wgpu/src/layer/mesh.rs @@ -1,5 +1,5 @@ //! A collection of triangle primitives. -use crate::triangle; +use crate::primitive; use crate::{Gradient, Point, Rectangle}; /// A mesh of triangles. @@ -11,7 +11,7 @@ pub enum Mesh<'a> { origin: Point, /// The vertex and index buffers of the [`Mesh`]. - buffers: &'a triangle::Mesh2D<triangle::ColoredVertex2D>, + buffers: &'a primitive::Mesh2D<primitive::ColoredVertex2D>, /// The clipping bounds of the [`Mesh`]. clip_bounds: Rectangle<f32>, @@ -22,7 +22,7 @@ pub enum Mesh<'a> { origin: Point, /// The vertex and index buffers of the [`Mesh`]. - buffers: &'a triangle::Mesh2D<triangle::Vertex2D>, + buffers: &'a primitive::Mesh2D<primitive::Vertex2D>, /// The clipping bounds of the [`Mesh`]. clip_bounds: Rectangle<f32>, diff --git a/graphics/src/layer/quad.rs b/wgpu/src/layer/quad.rs index 0d8bde9d..0d8bde9d 100644 --- a/graphics/src/layer/quad.rs +++ b/wgpu/src/layer/quad.rs diff --git a/graphics/src/layer/text.rs b/wgpu/src/layer/text.rs index 38d62616..38d62616 100644 --- a/graphics/src/layer/text.rs +++ b/wgpu/src/layer/text.rs diff --git a/wgpu/src/lib.rs b/wgpu/src/lib.rs index 9da40572..8be12602 100644 --- a/wgpu/src/lib.rs +++ b/wgpu/src/lib.rs @@ -25,7 +25,7 @@ )] #![deny( missing_debug_implementations, - missing_docs, + //missing_docs, unsafe_code, unused_results, clippy::extra_unused_lifetimes, @@ -38,7 +38,9 @@ #![allow(clippy::inherent_to_string, clippy::type_complexity)] #![cfg_attr(docsrs, feature(doc_cfg))] +pub mod layer; pub mod settings; +pub mod widget; pub mod window; mod backend; @@ -47,16 +49,23 @@ mod quad; mod text; mod triangle; +pub use iced_graphics::primitive; pub use iced_graphics::{ - Antialiasing, Color, Error, Font, Primitive, Viewport, + Antialiasing, Color, Error, Font, Gradient, Point, Rectangle, Size, Vector, + Viewport, }; +pub use iced_native::alignment; + pub use iced_native::Theme; pub use wgpu; pub use backend::Backend; +pub use layer::Layer; +pub use primitive::Primitive; pub use settings::Settings; -use crate::buffer::Buffer; +use buffer::Buffer; + use iced_graphics::Transformation; #[cfg(any(feature = "image", feature = "svg"))] diff --git a/wgpu/src/quad.rs b/wgpu/src/quad.rs index 246cc5e1..8a568968 100644 --- a/wgpu/src/quad.rs +++ b/wgpu/src/quad.rs @@ -1,5 +1,6 @@ +use crate::layer; use crate::{Buffer, Transformation}; -use iced_graphics::layer; + use iced_native::Rectangle; use bytemuck::{Pod, Zeroable}; diff --git a/wgpu/src/text.rs b/wgpu/src/text.rs index dea6ab18..0dc8a64c 100644 --- a/wgpu/src/text.rs +++ b/wgpu/src/text.rs @@ -1,6 +1,7 @@ +use crate::layer::Text; + pub use iced_native::text::Hit; -use iced_graphics::layer::Text; use iced_native::alignment; use iced_native::{Color, Font, Rectangle, Size}; diff --git a/wgpu/src/triangle.rs b/wgpu/src/triangle.rs index 4b4fa16d..706e4282 100644 --- a/wgpu/src/triangle.rs +++ b/wgpu/src/triangle.rs @@ -2,12 +2,12 @@ mod msaa; use crate::buffer::r#static::Buffer; +use crate::layer::mesh::{self, Mesh}; use crate::settings; use crate::Transformation; -use iced_graphics::layer::mesh::{self, Mesh}; -use iced_graphics::triangle::ColoredVertex2D; use iced_graphics::Size; + #[cfg(feature = "tracing")] use tracing::info_span; @@ -468,6 +468,7 @@ mod solid { use crate::settings; use crate::triangle; use encase::ShaderType; + use iced_graphics::primitive; use iced_graphics::Transformation; #[derive(Debug)] @@ -478,7 +479,7 @@ mod solid { #[derive(Debug)] pub struct Layer { - pub vertices: Buffer<triangle::ColoredVertex2D>, + pub vertices: Buffer<primitive::ColoredVertex2D>, pub uniforms: dynamic::Buffer<Uniforms>, pub constants: wgpu::BindGroup, } @@ -596,7 +597,7 @@ mod solid { entry_point: "vs_main", buffers: &[wgpu::VertexBufferLayout { array_stride: std::mem::size_of::< - triangle::ColoredVertex2D, + primitive::ColoredVertex2D, >() as u64, step_mode: wgpu::VertexStepMode::Vertex, @@ -637,7 +638,7 @@ mod gradient { use encase::ShaderType; use glam::{IVec4, Vec4}; - use iced_graphics::triangle::Vertex2D; + use iced_graphics::primitive; #[derive(Debug)] pub struct Pipeline { @@ -647,7 +648,7 @@ mod gradient { #[derive(Debug)] pub struct Layer { - pub vertices: Buffer<Vertex2D>, + pub vertices: Buffer<primitive::Vertex2D>, pub uniforms: dynamic::Buffer<Uniforms>, pub storage: dynamic::Buffer<Storage>, pub constants: wgpu::BindGroup, @@ -810,34 +811,38 @@ mod gradient { ), }); - let pipeline = device.create_render_pipeline( - &wgpu::RenderPipelineDescriptor { - label: Some("iced_wgpu::triangle::gradient pipeline"), - layout: Some(&layout), - vertex: wgpu::VertexState { - module: &shader, - entry_point: "vs_main", - buffers: &[wgpu::VertexBufferLayout { - array_stride: std::mem::size_of::<Vertex2D>() - as u64, - step_mode: wgpu::VertexStepMode::Vertex, - attributes: &wgpu::vertex_attr_array!( - // Position - 0 => Float32x2, - ), - }], + let pipeline = + device.create_render_pipeline( + &wgpu::RenderPipelineDescriptor { + label: Some("iced_wgpu::triangle::gradient pipeline"), + layout: Some(&layout), + vertex: wgpu::VertexState { + module: &shader, + entry_point: "vs_main", + buffers: &[wgpu::VertexBufferLayout { + array_stride: std::mem::size_of::< + primitive::Vertex2D, + >( + ) + as u64, + step_mode: wgpu::VertexStepMode::Vertex, + attributes: &wgpu::vertex_attr_array!( + // Position + 0 => Float32x2, + ), + }], + }, + fragment: Some(wgpu::FragmentState { + module: &shader, + entry_point: "fs_main", + targets: &[triangle::fragment_target(format)], + }), + primitive: triangle::primitive_state(), + depth_stencil: None, + multisample: triangle::multisample_state(antialiasing), + multiview: None, }, - fragment: Some(wgpu::FragmentState { - module: &shader, - entry_point: "fs_main", - targets: &[triangle::fragment_target(format)], - }), - primitive: triangle::primitive_state(), - depth_stencil: None, - multisample: triangle::multisample_state(antialiasing), - multiview: None, - }, - ); + ); Self { pipeline, diff --git a/graphics/src/widget.rs b/wgpu/src/widget.rs index e7fab97c..8d05041e 100644 --- a/graphics/src/widget.rs +++ b/wgpu/src/widget.rs @@ -1,4 +1,5 @@ //! Use the graphical widgets supported out-of-the-box. + #[cfg(feature = "canvas")] #[cfg_attr(docsrs, doc(cfg(feature = "canvas")))] pub mod canvas; @@ -6,11 +7,3 @@ pub mod canvas; #[cfg(feature = "canvas")] #[doc(no_inline)] pub use canvas::Canvas; - -#[cfg(feature = "qr_code")] -#[cfg_attr(docsrs, doc(cfg(feature = "qr_code")))] -pub mod qr_code; - -#[cfg(feature = "qr_code")] -#[doc(no_inline)] -pub use qr_code::QRCode; diff --git a/wgpu/src/widget/canvas.rs b/wgpu/src/widget/canvas.rs new file mode 100644 index 00000000..41444fcf --- /dev/null +++ b/wgpu/src/widget/canvas.rs @@ -0,0 +1,16 @@ +mod cache; +mod frame; +mod geometry; + +pub use cache::Cache; +pub use frame::Frame; +pub use geometry::Geometry; + +pub use iced_native::widget::canvas::event::{self, Event}; +pub use iced_native::widget::canvas::fill::{self, Fill}; +pub use iced_native::widget::canvas::gradient::{self, Gradient}; +pub use iced_native::widget::canvas::path::{self, Path}; +pub use iced_native::widget::canvas::stroke::{self, Stroke}; +pub use iced_native::widget::canvas::{ + Canvas, Cursor, LineCap, LineDash, LineJoin, Program, Renderer, Style, Text, +}; diff --git a/graphics/src/widget/canvas/cache.rs b/wgpu/src/widget/canvas/cache.rs index 52217bbb..09b26b90 100644 --- a/graphics/src/widget/canvas/cache.rs +++ b/wgpu/src/widget/canvas/cache.rs @@ -4,7 +4,9 @@ use crate::Primitive; use iced_native::Size; use std::{cell::RefCell, sync::Arc}; +#[derive(Default)] enum State { + #[default] Empty, Filled { bounds: Size, @@ -12,11 +14,6 @@ enum State { }, } -impl Default for State { - fn default() -> Self { - State::Empty - } -} /// A simple cache that stores generated [`Geometry`] to avoid recomputation. /// /// A [`Cache`] will not redraw its geometry unless the dimensions of its layer @@ -62,8 +59,8 @@ impl Cache { } = self.state.borrow().deref() { if *cached_bounds == bounds { - return Geometry::from_primitive(Primitive::Cached { - cache: primitive.clone(), + return Geometry::from_primitive(Primitive::Cache { + content: primitive.clone(), }); } } @@ -71,18 +68,14 @@ impl Cache { let mut frame = Frame::new(bounds); draw_fn(&mut frame); - let primitive = { - let geometry = frame.into_geometry(); - - Arc::new(geometry.into_primitive()) - }; + let primitive = Arc::new(frame.into_primitive()); *self.state.borrow_mut() = State::Filled { bounds, primitive: primitive.clone(), }; - Geometry::from_primitive(Primitive::Cached { cache: primitive }) + Geometry::from_primitive(Primitive::Cache { content: primitive }) } } diff --git a/graphics/src/widget/canvas/frame.rs b/wgpu/src/widget/canvas/frame.rs index d68548ae..987570ec 100644 --- a/graphics/src/widget/canvas/frame.rs +++ b/wgpu/src/widget/canvas/frame.rs @@ -1,9 +1,10 @@ -use crate::gradient::Gradient; -use crate::triangle; -use crate::widget::canvas::{path, Fill, Geometry, Path, Stroke, Style, Text}; -use crate::Primitive; +use crate::primitive::{self, Primitive}; +use crate::widget::canvas::fill::{self, Fill}; +use crate::widget::canvas::{ + LineCap, LineDash, LineJoin, Path, Stroke, Style, Text, +}; -use iced_native::{Point, Rectangle, Size, Vector}; +use iced_native::{Gradient, Point, Rectangle, Size, Vector}; use lyon::geom::euclid; use lyon::tessellation; @@ -23,9 +24,9 @@ pub struct Frame { } enum Buffer { - Solid(tessellation::VertexBuffers<triangle::ColoredVertex2D, u32>), + Solid(tessellation::VertexBuffers<primitive::ColoredVertex2D, u32>), Gradient( - tessellation::VertexBuffers<triangle::Vertex2D, u32>, + tessellation::VertexBuffers<primitive::Vertex2D, u32>, Gradient, ), } @@ -196,8 +197,8 @@ impl Frame { .buffers .get_fill(&self.transforms.current.transform_style(style)); - let options = - tessellation::FillOptions::default().with_fill_rule(rule.into()); + let options = tessellation::FillOptions::default() + .with_fill_rule(into_fill_rule(rule)); if self.transforms.current.is_identity { self.fill_tessellator.tessellate_path( @@ -206,7 +207,7 @@ impl Frame { buffer.as_mut(), ) } else { - let path = path.transformed(&self.transforms.current.raw); + let path = path.transform(&self.transforms.current.raw); self.fill_tessellator.tessellate_path( path.raw(), @@ -241,8 +242,8 @@ impl Frame { lyon::math::Vector::new(size.width, size.height), ); - let options = - tessellation::FillOptions::default().with_fill_rule(rule.into()); + let options = tessellation::FillOptions::default() + .with_fill_rule(into_fill_rule(rule)); self.fill_tessellator .tessellate_rectangle( @@ -264,14 +265,14 @@ impl Frame { let mut options = tessellation::StrokeOptions::default(); options.line_width = stroke.width; - options.start_cap = stroke.line_cap.into(); - options.end_cap = stroke.line_cap.into(); - options.line_join = stroke.line_join.into(); + options.start_cap = into_line_cap(stroke.line_cap); + options.end_cap = into_line_cap(stroke.line_cap); + options.line_join = into_line_join(stroke.line_join); let path = if stroke.line_dash.segments.is_empty() { Cow::Borrowed(path) } else { - Cow::Owned(path::dashed(path, stroke.line_dash)) + Cow::Owned(dashed(path, stroke.line_dash)) }; if self.transforms.current.is_identity { @@ -281,7 +282,7 @@ impl Frame { buffer.as_mut(), ) } else { - let path = path.transformed(&self.transforms.current.raw); + let path = path.transform(&self.transforms.current.raw); self.stroke_tessellator.tessellate_path( path.raw(), @@ -344,10 +345,18 @@ impl Frame { /// operations in different coordinate systems. #[inline] pub fn with_save(&mut self, f: impl FnOnce(&mut Frame)) { - self.transforms.previous.push(self.transforms.current); + self.push_transform(); f(self); + self.pop_transform(); + } + + pub fn push_transform(&mut self) { + self.transforms.previous.push(self.transforms.current); + } + + pub fn pop_transform(&mut self) { self.transforms.current = self.transforms.previous.pop().unwrap(); } @@ -363,14 +372,19 @@ impl Frame { f(&mut frame); + let translation = Vector::new(region.x, region.y); + + self.clip(frame, translation); + } + + pub fn clip(&mut self, frame: Frame, translation: Vector) { + let size = frame.size(); let primitives = frame.into_primitives(); let (text, meshes) = primitives .into_iter() .partition(|primitive| matches!(primitive, Primitive::Text { .. })); - let translation = Vector::new(region.x, region.y); - self.primitives.push(Primitive::Group { primitives: vec![ Primitive::Translate { @@ -380,7 +394,7 @@ impl Frame { Primitive::Translate { translation, content: Box::new(Primitive::Clip { - bounds: Rectangle::with_size(region.size()), + bounds: Rectangle::with_size(size), content: Box::new(Primitive::Group { primitives: text, }), @@ -423,11 +437,11 @@ impl Frame { self.transforms.current.is_identity = false; } - /// Produces the [`Geometry`] representing everything drawn on the [`Frame`]. - pub fn into_geometry(self) -> Geometry { - Geometry::from_primitive(Primitive::Group { + /// Produces the [`Primitive`] representing everything drawn on the [`Frame`]. + pub fn into_primitive(self) -> Primitive { + Primitive::Group { primitives: self.into_primitives(), - }) + } } fn into_primitives(mut self) -> Vec<Primitive> { @@ -436,7 +450,7 @@ impl Frame { Buffer::Solid(buffer) => { if !buffer.indices.is_empty() { self.primitives.push(Primitive::SolidMesh { - buffers: triangle::Mesh2D { + buffers: primitive::Mesh2D { vertices: buffer.vertices, indices: buffer.indices, }, @@ -447,7 +461,7 @@ impl Frame { Buffer::Gradient(buffer, gradient) => { if !buffer.indices.is_empty() { self.primitives.push(Primitive::GradientMesh { - buffers: triangle::Mesh2D { + buffers: primitive::Mesh2D { vertices: buffer.vertices, indices: buffer.indices, }, @@ -465,31 +479,31 @@ impl Frame { struct Vertex2DBuilder; -impl tessellation::FillVertexConstructor<triangle::Vertex2D> +impl tessellation::FillVertexConstructor<primitive::Vertex2D> for Vertex2DBuilder { fn new_vertex( &mut self, vertex: tessellation::FillVertex<'_>, - ) -> triangle::Vertex2D { + ) -> primitive::Vertex2D { let position = vertex.position(); - triangle::Vertex2D { + primitive::Vertex2D { position: [position.x, position.y], } } } -impl tessellation::StrokeVertexConstructor<triangle::Vertex2D> +impl tessellation::StrokeVertexConstructor<primitive::Vertex2D> for Vertex2DBuilder { fn new_vertex( &mut self, vertex: tessellation::StrokeVertex<'_, '_>, - ) -> triangle::Vertex2D { + ) -> primitive::Vertex2D { let position = vertex.position(); - triangle::Vertex2D { + primitive::Vertex2D { position: [position.x, position.y], } } @@ -497,34 +511,99 @@ impl tessellation::StrokeVertexConstructor<triangle::Vertex2D> struct TriangleVertex2DBuilder([f32; 4]); -impl tessellation::FillVertexConstructor<triangle::ColoredVertex2D> +impl tessellation::FillVertexConstructor<primitive::ColoredVertex2D> for TriangleVertex2DBuilder { fn new_vertex( &mut self, vertex: tessellation::FillVertex<'_>, - ) -> triangle::ColoredVertex2D { + ) -> primitive::ColoredVertex2D { let position = vertex.position(); - triangle::ColoredVertex2D { + primitive::ColoredVertex2D { position: [position.x, position.y], color: self.0, } } } -impl tessellation::StrokeVertexConstructor<triangle::ColoredVertex2D> +impl tessellation::StrokeVertexConstructor<primitive::ColoredVertex2D> for TriangleVertex2DBuilder { fn new_vertex( &mut self, vertex: tessellation::StrokeVertex<'_, '_>, - ) -> triangle::ColoredVertex2D { + ) -> primitive::ColoredVertex2D { let position = vertex.position(); - triangle::ColoredVertex2D { + primitive::ColoredVertex2D { position: [position.x, position.y], color: self.0, } } } + +fn into_line_join(line_join: LineJoin) -> lyon::tessellation::LineJoin { + match line_join { + LineJoin::Miter => lyon::tessellation::LineJoin::Miter, + LineJoin::Round => lyon::tessellation::LineJoin::Round, + LineJoin::Bevel => lyon::tessellation::LineJoin::Bevel, + } +} + +fn into_line_cap(line_cap: LineCap) -> lyon::tessellation::LineCap { + match line_cap { + LineCap::Butt => lyon::tessellation::LineCap::Butt, + LineCap::Square => lyon::tessellation::LineCap::Square, + LineCap::Round => lyon::tessellation::LineCap::Round, + } +} + +fn into_fill_rule(rule: fill::Rule) -> lyon::tessellation::FillRule { + match rule { + fill::Rule::NonZero => lyon::tessellation::FillRule::NonZero, + fill::Rule::EvenOdd => lyon::tessellation::FillRule::EvenOdd, + } +} + +pub(super) fn dashed(path: &Path, line_dash: LineDash<'_>) -> Path { + use lyon::algorithms::walk::{ + walk_along_path, RepeatedPattern, WalkerEvent, + }; + use lyon::path::iterator::PathIterator; + + Path::new(|builder| { + let segments_odd = (line_dash.segments.len() % 2 == 1) + .then(|| [line_dash.segments, line_dash.segments].concat()); + + let mut draw_line = false; + + walk_along_path( + path.raw().iter().flattened(0.01), + 0.0, + lyon::tessellation::StrokeOptions::DEFAULT_TOLERANCE, + &mut RepeatedPattern { + callback: |event: WalkerEvent<'_>| { + let point = Point { + x: event.position.x, + y: event.position.y, + }; + + if draw_line { + builder.line_to(point); + } else { + builder.move_to(point); + } + + draw_line = !draw_line; + + true + }, + index: line_dash.offset, + intervals: segments_odd + .as_deref() + .unwrap_or(line_dash.segments), + }, + ); + }) +} diff --git a/graphics/src/widget/canvas/geometry.rs b/wgpu/src/widget/canvas/geometry.rs index e8ac621d..e8ac621d 100644 --- a/graphics/src/widget/canvas/geometry.rs +++ b/wgpu/src/widget/canvas/geometry.rs |