diff options
Diffstat (limited to 'examples/geometry/src')
| -rw-r--r-- | examples/geometry/src/main.rs | 137 |
1 files changed, 73 insertions, 64 deletions
diff --git a/examples/geometry/src/main.rs b/examples/geometry/src/main.rs index 13a687ab..71ce0d8c 100644 --- a/examples/geometry/src/main.rs +++ b/examples/geometry/src/main.rs @@ -10,14 +10,14 @@ 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::{ + triangle::{Mesh2D, Vertex2D}, + Backend, Defaults, Primitive, Renderer, + }; use iced_native::{ - layout, Element, Hasher, Layout, Length, MouseCursor, Point, Size, + layout, mouse, Element, Hasher, Layout, Length, Point, Size, Vector, Widget, }; - use iced_wgpu::{ - triangle::{Mesh2D, Vertex2D}, - Defaults, Primitive, Renderer, - }; pub struct Rainbow; @@ -27,7 +27,10 @@ mod rainbow { } } - impl<Message> Widget<Message, Renderer> for Rainbow { + impl<Message, B> Widget<Message, Renderer<B>> for Rainbow + where + B: Backend, + { fn width(&self) -> Length { Length::Fill } @@ -38,7 +41,7 @@ mod rainbow { fn layout( &self, - _renderer: &Renderer, + _renderer: &Renderer<B>, limits: &layout::Limits, ) -> layout::Node { let size = limits.width(Length::Fill).resolve(Size::ZERO); @@ -50,11 +53,11 @@ mod rainbow { fn draw( &self, - _renderer: &mut Renderer, + _renderer: &mut Renderer<B>, _defaults: &Defaults, layout: Layout<'_>, cursor_position: Point, - ) -> (Primitive, MouseCursor) { + ) -> (Primitive, mouse::Interaction) { let b = layout.bounds(); // R O Y G B I V @@ -85,66 +88,72 @@ mod rainbow { let posn_l = [0.0, b.height / 2.0]; ( - Primitive::Mesh2D { - origin: Point::new(b.x, b.y), - buffers: Mesh2D { - vertices: vec![ - Vertex2D { - position: posn_center, - color: [1.0, 1.0, 1.0, 1.0], - }, - Vertex2D { - position: posn_tl, - color: color_r, - }, - Vertex2D { - position: posn_t, - color: color_o, - }, - Vertex2D { - position: posn_tr, - color: color_y, - }, - Vertex2D { - position: posn_r, - color: color_g, - }, - Vertex2D { - position: posn_br, - color: color_gb, - }, - Vertex2D { - position: posn_b, - color: color_b, - }, - Vertex2D { - position: posn_bl, - color: color_i, - }, - Vertex2D { - position: posn_l, - color: color_v, - }, - ], - indices: vec![ - 0, 1, 2, // TL - 0, 2, 3, // T - 0, 3, 4, // TR - 0, 4, 5, // R - 0, 5, 6, // BR - 0, 6, 7, // B - 0, 7, 8, // BL - 0, 8, 1, // L - ], - }, + Primitive::Translate { + translation: Vector::new(b.x, b.y), + content: Box::new(Primitive::Mesh2D { + size: b.size(), + buffers: Mesh2D { + vertices: vec![ + Vertex2D { + position: posn_center, + color: [1.0, 1.0, 1.0, 1.0], + }, + Vertex2D { + position: posn_tl, + color: color_r, + }, + Vertex2D { + position: posn_t, + color: color_o, + }, + Vertex2D { + position: posn_tr, + color: color_y, + }, + Vertex2D { + position: posn_r, + color: color_g, + }, + Vertex2D { + position: posn_br, + color: color_gb, + }, + Vertex2D { + position: posn_b, + color: color_b, + }, + Vertex2D { + position: posn_bl, + color: color_i, + }, + Vertex2D { + position: posn_l, + color: color_v, + }, + ], + indices: vec![ + 0, 1, 2, // TL + 0, 2, 3, // T + 0, 3, 4, // TR + 0, 4, 5, // R + 0, 5, 6, // BR + 0, 6, 7, // B + 0, 7, 8, // BL + 0, 8, 1, // L + ], + }, + }), }, - MouseCursor::OutOfBounds, + mouse::Interaction::default(), ) } } - impl<'a, Message> Into<Element<'a, Message, Renderer>> for Rainbow { - fn into(self) -> Element<'a, Message, Renderer> { + impl<'a, Message, B> Into<Element<'a, Message, Renderer<B>>> for Rainbow + where + B: Backend, + { + fn into(self) -> Element<'a, Message, Renderer<B>> { Element::new(self) } } |