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| author |  shan <shankern@protonmail.com> | 2022-09-29 10:52:58 -0700 |
|---|---|---|
| committer | shan <shankern@protonmail.com> | 2022-09-29 11:15:35 -0700 |
| commit | 40f45d7b7e35dd4937abe6b5ce16b6256b4f1eeb (patch) | |
| tree | 38ffc5dd6bae5da4da3b93664dfe27e024dfa261 /examples/geometry | |
| parent | 97f385e093711c269df315b28f76e66e0220e22a (diff) | |
| download | iced-40f45d7b7e35dd4937abe6b5ce16b6256b4f1eeb.tar.gz iced-40f45d7b7e35dd4937abe6b5ce16b6256b4f1eeb.tar.bz2 iced-40f45d7b7e35dd4937abe6b5ce16b6256b4f1eeb.zip | |
Adds linear gradient support to 2D meshes in the canvas widget.
Diffstat (limited to 'examples/geometry')
| -rw-r--r-- | examples/geometry/src/main.rs | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/examples/geometry/src/main.rs b/examples/geometry/src/main.rs index d8b99ab3..a8ce26f8 100644 --- a/examples/geometry/src/main.rs +++ b/examples/geometry/src/main.rs @@ -1,6 +1,9 @@ //! This example showcases a simple native custom widget that renders using //! arbitrary low-level geometry. +//! +//TODO need to update this now that vertex data doesn't contain color data mod rainbow { + use iced::Color; // For now, to implement a custom native widget you will need to add // `iced_native` and `iced_wgpu` to your dependencies. // @@ -12,6 +15,7 @@ mod rainbow { // implemented by `iced_wgpu` and other renderers. use iced_graphics::renderer::{self, Renderer}; use iced_graphics::{Backend, Primitive}; + use iced_graphics::shader::Shader; use iced_native::widget::{self, Widget}; use iced_native::{ @@ -63,20 +67,20 @@ mod rainbow { cursor_position: Point, _viewport: &Rectangle, ) { - use iced_graphics::triangle::{Mesh2D, Vertex2D}; + use iced_graphics::triangle::{Mesh2D, Shader, Vertex2D}; use iced_native::Renderer as _; let b = layout.bounds(); // R O Y G B I V - let color_r = [1.0, 0.0, 0.0, 1.0]; - let color_o = [1.0, 0.5, 0.0, 1.0]; - let color_y = [1.0, 1.0, 0.0, 1.0]; - let color_g = [0.0, 1.0, 0.0, 1.0]; - let color_gb = [0.0, 1.0, 0.5, 1.0]; - let color_b = [0.0, 0.2, 1.0, 1.0]; - let color_i = [0.5, 0.0, 1.0, 1.0]; - let color_v = [0.75, 0.0, 0.5, 1.0]; + // let color_r = [1.0, 0.0, 0.0, 1.0]; + // let color_o = [1.0, 0.5, 0.0, 1.0]; + // let color_y = [1.0, 1.0, 0.0, 1.0]; + // let color_g = [0.0, 1.0, 0.0, 1.0]; + // let color_gb = [0.0, 1.0, 0.5, 1.0]; + // let color_b = [0.0, 0.2, 1.0, 1.0]; + // let color_i = [0.5, 0.0, 1.0, 1.0]; + // let color_v = [0.75, 0.0, 0.5, 1.0]; let posn_center = { if b.contains(cursor_position) { @@ -101,39 +105,39 @@ mod rainbow { vertices: vec![ Vertex2D { position: posn_center, - color: [1.0, 1.0, 1.0, 1.0], + // color: [1.0, 1.0, 1.0, 1.0], }, Vertex2D { position: posn_tl, - color: color_r, + // color: color_r, }, Vertex2D { position: posn_t, - color: color_o, + // color: color_o, }, Vertex2D { position: posn_tr, - color: color_y, + // color: color_y, }, Vertex2D { position: posn_r, - color: color_g, + // color: color_g, }, Vertex2D { position: posn_br, - color: color_gb, + // color: color_gb, }, Vertex2D { position: posn_b, - color: color_b, + // color: color_b, }, Vertex2D { position: posn_bl, - color: color_i, + // color: color_i, }, Vertex2D { position: posn_l, - color: color_v, + // color: color_v, }, ], indices: vec![ @@ -147,6 +151,7 @@ mod rainbow { 0, 8, 1, // L ], }, + shader: Shader::Solid(Color::BLACK), }; renderer.with_translation(Vector::new(b.x, b.y), |renderer| { |