diff --git a/egui/src/demos/toggle_switch.rs b/egui/src/demos/toggle_switch.rs index 417a9c2aa..4046a8887 100644 --- a/egui/src/demos/toggle_switch.rs +++ b/egui/src/demos/toggle_switch.rs @@ -1,6 +1,6 @@ //! Source code example of how to create your own widget. //! This is meant to be read as a tutorial, hence the plethora of comments. -use crate::{paint::PaintCmd, *}; +use crate::*; /// iOS-style toggle switch: /// @@ -47,23 +47,16 @@ pub fn toggle(ui: &mut Ui, on: &mut bool) -> Response { // This will, for instance, give us different colors when the widget is hovered or clicked. let visuals = ui.style().interact(&response); let off_bg_fill = Rgba::new(0.0, 0.0, 0.0, 0.0); - let on_bg_fill = Rgba::new(0.0, 0.5, 0.0, 0.5); + let on_bg_fill = Rgba::new(0.0, 0.5, 0.25, 1.0); + let bg_fill = lerp(off_bg_fill..=on_bg_fill, how_on); // All coordinates are in absolute screen coordinates so we use `rect` to place the elements. let radius = 0.5 * rect.height(); - ui.painter().add(PaintCmd::Rect { - rect, - corner_radius: radius, - fill: lerp(off_bg_fill..=on_bg_fill, how_on).into(), - stroke: visuals.bg_stroke, - }); + ui.painter().rect(rect, radius, bg_fill, visuals.bg_stroke); // Paint the circle, animating it from left to right with `how_on`: let circle_x = lerp((rect.left() + radius)..=(rect.right() - radius), how_on); - ui.painter().add(PaintCmd::Circle { - center: pos2(circle_x, rect.center().y), - radius: 0.75 * radius, - fill: visuals.fg_fill, - stroke: visuals.fg_stroke, - }); + let center = pos2(circle_x, rect.center().y); + ui.painter() + .circle(center, 0.75 * radius, visuals.fg_fill, visuals.fg_stroke); // All done! Return the interaction response so the user can check what happened // (hovered, clicked, ...) and maybe show a tooltip: diff --git a/egui/src/lib.rs b/egui/src/lib.rs index 1593cf63f..32182471e 100644 --- a/egui/src/lib.rs +++ b/egui/src/lib.rs @@ -79,7 +79,7 @@ pub use { layout::*, math::*, memory::Memory, - paint::{color, PaintJobs, Rgba, Srgba, Stroke, TextStyle, Texture, TextureId}, + paint::{color, PaintCmd, PaintJobs, Rgba, Srgba, Stroke, TextStyle, Texture, TextureId}, painter::Painter, style::Style, types::*, diff --git a/egui/src/paint/color.rs b/egui/src/paint/color.rs index ba85853dc..3f110594b 100644 --- a/egui/src/paint/color.rs +++ b/egui/src/paint/color.rs @@ -125,6 +125,10 @@ impl Rgba { Self([r, g, b, a]) } + pub const fn rgb(r: f32, g: f32, b: f32) -> Self { + Self([r, g, b, 1.0]) + } + pub const fn gray(l: f32) -> Self { Self([l, l, l, 1.0]) } diff --git a/egui/src/painter.rs b/egui/src/painter.rs index 0eed68d86..7154334f1 100644 --- a/egui/src/painter.rs +++ b/egui/src/painter.rs @@ -170,6 +170,21 @@ impl Painter { }); } + pub fn circle( + &self, + center: Pos2, + radius: f32, + fill_color: impl Into, + stroke: impl Into, + ) { + self.add(PaintCmd::Circle { + center, + radius, + fill: fill_color.into(), + stroke: stroke.into(), + }); + } + pub fn circle_filled(&self, center: Pos2, radius: f32, fill_color: impl Into) { self.add(PaintCmd::Circle { center, @@ -188,6 +203,21 @@ impl Painter { }); } + pub fn rect( + &self, + rect: Rect, + corner_radius: f32, + fill_color: impl Into, + stroke: impl Into, + ) { + self.add(PaintCmd::Rect { + rect, + corner_radius, + fill: fill_color.into(), + stroke: stroke.into(), + }); + } + pub fn rect_filled(&self, rect: Rect, corner_radius: f32, fill_color: impl Into) { self.add(PaintCmd::Rect { rect, diff --git a/egui/src/widgets/mod.rs b/egui/src/widgets/mod.rs index 9a6d560c8..47ade9db0 100644 --- a/egui/src/widgets/mod.rs +++ b/egui/src/widgets/mod.rs @@ -308,12 +308,8 @@ impl Widget for Button { response.rect.center().y - 0.5 * galley.size.y, ); // left-centered let fill = fill.unwrap_or(style.bg_fill); - ui.painter().add(PaintCmd::Rect { - rect: response.rect, - corner_radius: style.corner_radius, - fill, - stroke: style.bg_stroke, - }); + ui.painter() + .rect(response.rect, style.corner_radius, fill, style.bg_stroke); let text_color = text_color.unwrap_or_else(|| style.text_color()); ui.painter() .galley(text_cursor, galley, text_style, text_color);