From 188db4da48954b95a3fe79bcd22689ffc3a661e0 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Thu, 21 Mar 2024 05:52:48 +0100 Subject: Draft support for dynamic custom renderer injection --- graphics/src/renderer.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index 143f348b..e7154385 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -211,11 +211,11 @@ where { type Handle = image::Handle; - fn dimensions(&self, handle: &image::Handle) -> Size { + fn measure_image(&self, handle: &image::Handle) -> Size { self.backend().dimensions(handle) } - fn draw( + fn draw_image( &mut self, handle: image::Handle, filter_method: image::FilterMethod, @@ -233,11 +233,11 @@ impl svg::Renderer for Renderer where B: Backend + backend::Svg, { - fn dimensions(&self, handle: &svg::Handle) -> Size { + fn measure_svg(&self, handle: &svg::Handle) -> Size { self.backend().viewport_dimensions(handle) } - fn draw( + fn draw_svg( &mut self, handle: svg::Handle, color: Option, -- cgit From 3645d34d6a1ba1247238e830e9eefd52d9e5b986 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Thu, 21 Mar 2024 22:27:17 +0100 Subject: Implement composable, type-safe renderer fallback --- graphics/src/renderer.rs | 106 ++++++++++++++++++++++++++++------------------- 1 file changed, 63 insertions(+), 43 deletions(-) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index e7154385..3b21aa11 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -8,8 +8,9 @@ use crate::core::text::Text; use crate::core::{ Background, Color, Font, Pixels, Point, Rectangle, Size, Transformation, }; +use crate::mesh; use crate::text; -use crate::Primitive; +use crate::{Mesh, Primitive}; use std::borrow::Cow; @@ -20,6 +21,7 @@ pub struct Renderer { default_font: Font, default_text_size: Pixels, primitives: Vec>, + stack: Vec>>, } impl Renderer { @@ -34,6 +36,7 @@ impl Renderer { default_font, default_text_size, primitives: Vec::new(), + stack: Vec::new(), } } @@ -56,59 +59,45 @@ impl Renderer { f(&mut self.backend, &self.primitives) } - /// Starts recording a new layer. - pub fn start_layer(&mut self) -> Vec> { - std::mem::take(&mut self.primitives) - } - - /// Ends the recording of a layer. - pub fn end_layer( - &mut self, - primitives: Vec>, - bounds: Rectangle, - ) { - let layer = std::mem::replace(&mut self.primitives, primitives); - - self.primitives.push(Primitive::group(layer).clip(bounds)); - } - - /// Starts recording a translation. - pub fn start_transformation(&mut self) -> Vec> { - std::mem::take(&mut self.primitives) - } - - /// Ends the recording of a translation. - pub fn end_transformation( + #[cfg(feature = "geometry")] + pub fn draw_geometry( &mut self, - primitives: Vec>, - transformation: Transformation, - ) { - let layer = std::mem::replace(&mut self.primitives, primitives); - - self.primitives - .push(Primitive::group(layer).transform(transformation)); + layers: impl IntoIterator, + ) where + Geometry: Into>, + { + for layer in layers { + self.draw_primitive(layer.into()); + } } } impl iced_core::Renderer for Renderer { - fn with_layer(&mut self, bounds: Rectangle, f: impl FnOnce(&mut Self)) { - let current = self.start_layer(); + fn start_layer(&mut self) { + self.stack.push(std::mem::take(&mut self.primitives)); + } - f(self); + fn end_layer(&mut self, bounds: Rectangle) { + let layer = std::mem::replace( + &mut self.primitives, + self.stack.pop().expect("a layer should be recording"), + ); - self.end_layer(current, bounds); + self.primitives.push(Primitive::group(layer).clip(bounds)); } - fn with_transformation( - &mut self, - transformation: Transformation, - f: impl FnOnce(&mut Self), - ) { - let current = self.start_transformation(); + fn start_transformation(&mut self) { + self.stack.push(std::mem::take(&mut self.primitives)); + } - f(self); + fn end_transformation(&mut self, transformation: Transformation) { + let layer = std::mem::replace( + &mut self.primitives, + self.stack.pop().expect("a layer should be recording"), + ); - self.end_transformation(current, transformation); + self.primitives + .push(Primitive::group(layer).transform(transformation)); } fn fill_quad( @@ -250,3 +239,34 @@ where }); } } + +impl mesh::Renderer for Renderer { + fn draw_mesh(&mut self, mesh: Mesh) { + match B::Primitive::try_from(mesh) { + Ok(primitive) => { + self.draw_primitive(Primitive::Custom(primitive)); + } + Err(error) => { + log::warn!("mesh primitive could not be drawn: {error:?}"); + } + } + } +} + +#[cfg(feature = "geometry")] +impl crate::geometry::Renderer for Renderer +where + B: Backend + crate::geometry::Backend, + B::Frame: crate::geometry::Frame>, +{ + type Frame = B::Frame; + type Geometry = Primitive; + + fn new_frame(&self, size: Size) -> Self::Frame { + self.backend.new_frame(size) + } + + fn draw_geometry(&mut self, geometry: Self::Geometry) { + self.draw_primitive(geometry); + } +} -- cgit From 53a183fe0d6aed460fbb8155ac9541757277aab3 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Fri, 22 Mar 2024 01:35:14 +0100 Subject: Restore `canvas::Frame` API --- graphics/src/renderer.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index 3b21aa11..2fcb55aa 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -257,7 +257,8 @@ impl mesh::Renderer for Renderer { impl crate::geometry::Renderer for Renderer where B: Backend + crate::geometry::Backend, - B::Frame: crate::geometry::Frame>, + B::Frame: + crate::geometry::frame::Backend>, { type Frame = B::Frame; type Geometry = Primitive; -- cgit From 85800c99ab285efd244c0addfdcf3c732a98de1d Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Fri, 22 Mar 2024 01:53:48 +0100 Subject: Fix broken links in documentation --- graphics/src/renderer.rs | 12 ------------ 1 file changed, 12 deletions(-) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index 2fcb55aa..eb720495 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -58,18 +58,6 @@ impl Renderer { ) -> O { f(&mut self.backend, &self.primitives) } - - #[cfg(feature = "geometry")] - pub fn draw_geometry( - &mut self, - layers: impl IntoIterator, - ) where - Geometry: Into>, - { - for layer in layers { - self.draw_primitive(layer.into()); - } - } } impl iced_core::Renderer for Renderer { -- cgit From 5137d655e6bbd29581fc1469d0385515113f2999 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Fri, 22 Mar 2024 07:09:51 +0100 Subject: Allow custom renderers in `Program` and `Application` --- graphics/src/renderer.rs | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index eb720495..5de7f97f 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -1,5 +1,6 @@ //! Create a renderer from a [`Backend`]. use crate::backend::{self, Backend}; +use crate::compositor; use crate::core; use crate::core::image; use crate::core::renderer; @@ -259,3 +260,10 @@ where self.draw_primitive(geometry); } } + +impl compositor::Renderer for Renderer +where + B: Backend, +{ + type Compositor = B::Compositor; +} -- cgit From 441e9237cd1c9c9b61d9b144b5b4dafa236ace28 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Fri, 22 Mar 2024 19:35:19 +0100 Subject: Rename `compositor::Renderer` to `Default` --- graphics/src/renderer.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'graphics/src/renderer.rs') diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index 5de7f97f..f517ff3e 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -261,7 +261,7 @@ where } } -impl compositor::Renderer for Renderer +impl compositor::Default for Renderer where B: Backend, { -- cgit