diff options
Diffstat (limited to 'renderer/src/lib.rs')
| -rw-r--r-- | renderer/src/lib.rs | 248 |
1 files changed, 245 insertions, 3 deletions
diff --git a/renderer/src/lib.rs b/renderer/src/lib.rs index 22ec7bd1..89b8f4c6 100644 --- a/renderer/src/lib.rs +++ b/renderer/src/lib.rs @@ -3,17 +3,259 @@ pub mod compositor; #[cfg(feature = "geometry")] pub mod geometry; -mod backend; mod settings; pub use iced_graphics as graphics; pub use iced_graphics::core; -pub use backend::Backend; pub use compositor::Compositor; pub use settings::Settings; +#[cfg(feature = "geometry")] +pub use geometry::Geometry; + +use crate::core::renderer; +use crate::core::text::{self, Text}; +use crate::core::{Background, Font, Point, Rectangle, Size, Vector}; + +use std::borrow::Cow; + /// The default graphics renderer for [`iced`]. /// /// [`iced`]: https://github.com/iced-rs/iced -pub type Renderer<Theme> = iced_graphics::Renderer<Backend, Theme>; +pub enum Renderer<Theme> { + TinySkia(iced_tiny_skia::Renderer<Theme>), + #[cfg(feature = "wgpu")] + Wgpu(iced_wgpu::Renderer<Theme>), +} + +macro_rules! delegate { + ($renderer:expr, $name:ident, $body:expr) => { + match $renderer { + Self::TinySkia($name) => $body, + #[cfg(feature = "wgpu")] + Self::Wgpu($name) => $body, + } + }; +} + +impl<T> Renderer<T> { + #[cfg(feature = "wgpu")] + pub fn draw_with_wgpu(&mut self, primitive: iced_wgpu::Primitive) { + if let Self::Wgpu(renderer) = self { + renderer.draw_primitive(primitive); + } + } +} + +impl<T> core::Renderer for Renderer<T> { + type Theme = T; + + fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self)) { + match self { + Self::TinySkia(renderer) => { + let primitives = renderer.start_layer(); + + f(self); + + match self { + Self::TinySkia(renderer) => { + renderer.end_layer(primitives, bounds); + } + #[cfg(feature = "wgpu")] + _ => unreachable!(), + } + } + #[cfg(feature = "wgpu")] + Self::Wgpu(renderer) => { + let primitives = renderer.start_layer(); + + f(self); + + match self { + #[cfg(feature = "wgpu")] + Self::Wgpu(renderer) => { + renderer.end_layer(primitives, bounds); + } + _ => unreachable!(), + } + } + } + } + + fn with_translation( + &mut self, + translation: Vector, + f: impl FnOnce(&mut Self), + ) { + match self { + Self::TinySkia(renderer) => { + let primitives = renderer.start_translation(); + + f(self); + + match self { + Self::TinySkia(renderer) => { + renderer.end_translation(primitives, translation); + } + #[cfg(feature = "wgpu")] + _ => unreachable!(), + } + } + #[cfg(feature = "wgpu")] + Self::Wgpu(renderer) => { + let primitives = renderer.start_translation(); + + f(self); + + match self { + #[cfg(feature = "wgpu")] + Self::Wgpu(renderer) => { + renderer.end_translation(primitives, translation); + } + _ => unreachable!(), + } + } + } + } + + fn fill_quad( + &mut self, + quad: renderer::Quad, + background: impl Into<Background>, + ) { + delegate!(self, renderer, renderer.fill_quad(quad, background)); + } + + fn clear(&mut self) { + delegate!(self, renderer, renderer.clear()); + } +} + +impl<T> text::Renderer for Renderer<T> { + type Font = Font; + + const ICON_FONT: Font = iced_tiny_skia::Renderer::<T>::ICON_FONT; + const CHECKMARK_ICON: char = iced_tiny_skia::Renderer::<T>::CHECKMARK_ICON; + const ARROW_DOWN_ICON: char = + iced_tiny_skia::Renderer::<T>::ARROW_DOWN_ICON; + + fn default_font(&self) -> Self::Font { + delegate!(self, renderer, renderer.default_font()) + } + + fn default_size(&self) -> f32 { + delegate!(self, renderer, renderer.default_size()) + } + + fn measure( + &self, + content: &str, + size: f32, + line_height: text::LineHeight, + font: Font, + bounds: Size, + shaping: text::Shaping, + ) -> Size { + delegate!( + self, + renderer, + renderer.measure(content, size, line_height, font, bounds, shaping) + ) + } + + fn hit_test( + &self, + content: &str, + size: f32, + line_height: text::LineHeight, + font: Font, + bounds: Size, + shaping: text::Shaping, + point: Point, + nearest_only: bool, + ) -> Option<text::Hit> { + delegate!( + self, + renderer, + renderer.hit_test( + content, + size, + line_height, + font, + bounds, + shaping, + point, + nearest_only + ) + ) + } + + fn load_font(&mut self, bytes: Cow<'static, [u8]>) { + delegate!(self, renderer, renderer.load_font(bytes)); + } + + fn fill_text(&mut self, text: Text<'_, Self::Font>) { + delegate!(self, renderer, renderer.fill_text(text)); + } +} + +#[cfg(feature = "image")] +impl<T> crate::core::image::Renderer for Renderer<T> { + type Handle = crate::core::image::Handle; + + fn dimensions(&self, handle: &crate::core::image::Handle) -> Size<u32> { + delegate!(self, renderer, renderer.dimensions(handle)) + } + + fn draw(&mut self, handle: crate::core::image::Handle, bounds: Rectangle) { + delegate!(self, renderer, renderer.draw(handle, bounds)); + } +} + +#[cfg(feature = "svg")] +impl<T> crate::core::svg::Renderer for Renderer<T> { + fn dimensions(&self, handle: &crate::core::svg::Handle) -> Size<u32> { + delegate!(self, renderer, renderer.dimensions(handle)) + } + + fn draw( + &mut self, + handle: crate::core::svg::Handle, + color: Option<crate::core::Color>, + bounds: Rectangle, + ) { + delegate!(self, renderer, renderer.draw(handle, color, bounds)) + } +} + +#[cfg(feature = "geometry")] +impl<T> crate::graphics::geometry::Renderer for Renderer<T> { + type Geometry = crate::Geometry; + + fn draw(&mut self, layers: Vec<Self::Geometry>) { + match self { + Self::TinySkia(renderer) => { + for layer in layers { + match layer { + crate::Geometry::TinySkia(primitive) => { + renderer.draw_primitive(primitive); + } + _ => unreachable!(), + } + } + } + #[cfg(feature = "wgpu")] + Self::Wgpu(renderer) => { + for layer in layers { + match layer { + crate::Geometry::Wgpu(primitive) => { + renderer.draw_primitive(primitive); + } + _ => unreachable!(), + } + } + } + } + } +} |