Remove leftover renderer module in iced_graphics
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Héctor Ramón Jiménez
parent
6ad5bb3597
commit
14b9708f72
3 changed files with 1 additions and 279 deletions
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@ -36,15 +36,6 @@ pub trait Renderer: core::Renderer {
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fn draw_geometry(&mut self, geometry: Self::Geometry);
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}
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/// The graphics backend of a geometry renderer.
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pub trait Backend {
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/// The kind of [`Frame`] this backend supports.
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type Frame: frame::Backend;
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/// Creates a new [`Self::Frame`].
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fn new_frame(&self, size: Size) -> Self::Frame;
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}
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#[cfg(debug_assertions)]
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impl Renderer for () {
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type Geometry = ();
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@ -1,269 +0,0 @@
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//! Create a renderer from a [`Backend`].
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use crate::backend::{self, Backend};
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use crate::compositor;
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use crate::core;
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use crate::core::image;
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use crate::core::renderer;
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use crate::core::svg;
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use crate::core::text::Text;
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use crate::core::{
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Background, Color, Font, Pixels, Point, Rectangle, Size, Transformation,
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};
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use crate::mesh;
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use crate::text;
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use crate::{Mesh, Primitive};
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use std::borrow::Cow;
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/// A backend-agnostic renderer that supports all the built-in widgets.
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#[derive(Debug)]
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pub struct Renderer<B: Backend> {
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backend: B,
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default_font: Font,
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default_text_size: Pixels,
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primitives: Vec<Primitive<B::Primitive>>,
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stack: Vec<Vec<Primitive<B::Primitive>>>,
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}
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impl<B: Backend> Renderer<B> {
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/// Creates a new [`Renderer`] from the given [`Backend`].
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pub fn new(
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backend: B,
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default_font: Font,
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default_text_size: Pixels,
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) -> Self {
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Self {
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backend,
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default_font,
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default_text_size,
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primitives: Vec::new(),
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stack: Vec::new(),
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}
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}
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/// Returns a reference to the [`Backend`] of the [`Renderer`].
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pub fn backend(&self) -> &B {
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&self.backend
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}
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/// Enqueues the given [`Primitive`] in the [`Renderer`] for drawing.
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pub fn draw_primitive(&mut self, primitive: Primitive<B::Primitive>) {
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self.primitives.push(primitive);
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}
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/// Runs the given closure with the [`Backend`] and the recorded primitives
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/// of the [`Renderer`].
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pub fn with_primitives<O>(
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&mut self,
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f: impl FnOnce(&mut B, &[Primitive<B::Primitive>]) -> O,
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) -> O {
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f(&mut self.backend, &self.primitives)
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}
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}
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impl<B: Backend> iced_core::Renderer for Renderer<B> {
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fn start_layer(&mut self, _bounds: Rectangle) {
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self.stack.push(std::mem::take(&mut self.primitives));
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}
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fn end_layer(&mut self) {
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let layer = std::mem::replace(
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&mut self.primitives,
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self.stack.pop().expect("a layer should be recording"),
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);
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self.primitives.push(Primitive::group(layer).clip(bounds));
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}
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fn start_transformation(&mut self, _transformation: Transformation) {
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self.stack.push(std::mem::take(&mut self.primitives));
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}
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fn end_transformation(&mut self, transformation: Transformation) {
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let layer = std::mem::replace(
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&mut self.primitives,
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self.stack.pop().expect("a layer should be recording"),
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);
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self.primitives
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.push(Primitive::group(layer).transform(transformation));
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}
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fn fill_quad(
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&mut self,
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quad: renderer::Quad,
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background: impl Into<Background>,
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) {
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self.primitives.push(Primitive::Quad {
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bounds: quad.bounds,
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background: background.into(),
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border: quad.border,
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shadow: quad.shadow,
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});
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}
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fn clear(&mut self) {
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self.primitives.clear();
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}
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}
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impl<B> core::text::Renderer for Renderer<B>
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where
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B: Backend + backend::Text,
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{
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type Font = Font;
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type Paragraph = text::Paragraph;
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type Editor = text::Editor;
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const ICON_FONT: Font = Font::with_name("Iced-Icons");
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const CHECKMARK_ICON: char = '\u{f00c}';
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const ARROW_DOWN_ICON: char = '\u{e800}';
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fn default_font(&self) -> Self::Font {
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self.default_font
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}
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fn default_size(&self) -> Pixels {
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self.default_text_size
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}
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fn load_font(&mut self, bytes: Cow<'static, [u8]>) {
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self.backend.load_font(bytes);
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}
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fn fill_paragraph(
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&mut self,
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paragraph: &Self::Paragraph,
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position: Point,
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color: Color,
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clip_bounds: Rectangle,
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) {
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self.primitives.push(Primitive::Paragraph {
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paragraph: paragraph.downgrade(),
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position,
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color,
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clip_bounds,
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});
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}
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fn fill_editor(
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&mut self,
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editor: &Self::Editor,
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position: Point,
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color: Color,
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clip_bounds: Rectangle,
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) {
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self.primitives.push(Primitive::Editor {
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editor: editor.downgrade(),
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position,
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color,
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clip_bounds,
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});
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}
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fn fill_text(
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&mut self,
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text: Text,
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position: Point,
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color: Color,
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clip_bounds: Rectangle,
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) {
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self.primitives.push(Primitive::Text {
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content: text.content,
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bounds: Rectangle::new(position, text.bounds),
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size: text.size,
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line_height: text.line_height,
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color,
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font: text.font,
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horizontal_alignment: text.horizontal_alignment,
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vertical_alignment: text.vertical_alignment,
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shaping: text.shaping,
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clip_bounds,
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});
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}
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}
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impl<B> image::Renderer for Renderer<B>
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where
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B: Backend + backend::Image,
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{
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type Handle = image::Handle;
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fn measure_image(&self, handle: &image::Handle) -> Size<u32> {
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self.backend().dimensions(handle)
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}
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fn draw_image(
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&mut self,
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handle: image::Handle,
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filter_method: image::FilterMethod,
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bounds: Rectangle,
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) {
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self.primitives.push(Primitive::Image {
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handle,
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filter_method,
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bounds,
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});
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}
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}
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impl<B> svg::Renderer for Renderer<B>
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where
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B: Backend + backend::Svg,
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{
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fn measure_svg(&self, handle: &svg::Handle) -> Size<u32> {
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self.backend().viewport_dimensions(handle)
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}
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fn draw_svg(
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&mut self,
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handle: svg::Handle,
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color: Option<Color>,
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bounds: Rectangle,
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) {
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self.primitives.push(Primitive::Svg {
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handle,
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color,
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bounds,
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});
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}
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}
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impl<B: Backend> mesh::Renderer for Renderer<B> {
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fn draw_mesh(&mut self, mesh: Mesh) {
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match B::Primitive::try_from(mesh) {
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Ok(primitive) => {
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self.draw_primitive(Primitive::Custom(primitive));
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}
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Err(error) => {
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log::warn!("mesh primitive could not be drawn: {error:?}");
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}
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}
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}
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}
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#[cfg(feature = "geometry")]
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impl<B> crate::geometry::Renderer for Renderer<B>
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where
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B: Backend + crate::geometry::Backend,
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B::Frame:
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crate::geometry::frame::Backend<Geometry = Primitive<B::Primitive>>,
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{
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type Frame = B::Frame;
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type Geometry = Primitive<B::Primitive>;
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fn new_frame(&self, size: Size) -> Self::Frame {
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self.backend.new_frame(size)
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}
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fn draw_geometry(&mut self, geometry: Self::Geometry) {
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self.draw_primitive(geometry);
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}
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}
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impl<B> compositor::Default for Renderer<B>
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where
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B: Backend,
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{
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type Compositor = B::Compositor;
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}
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@ -1,7 +1,7 @@
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use crate::core::{Font, Pixels};
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use crate::Antialiasing;
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/// The settings of a Backend.
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/// The settings of a renderer.
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#[derive(Debug, Clone, Copy, PartialEq)]
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pub struct Settings {
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/// The default [`Font`] to use.
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