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Support additive colors in color picker

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This commit is contained in:
Emil Ernerfeldt
2021-01-03 18:03:11 +01:00
parent 5c8df6925d
commit 10a23d18e1
17 changed files with 239 additions and 106 deletions
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2
egui_demo_lib/src/apps/demo/dancing_strings.rs
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@@ -57,7 +57,7 @@ impl super::View for DancingStrings {
let thickness = 10.0 / mode;
cmds.push(paint::PaintCmd::line(
points,
Stroke::new(thickness, Color32::additive_luminance(196)),
Stroke::new(thickness, Color32::from_additive_luminance(196)),
));
}

4
egui_demo_lib/src/apps/demo/demo_window.rs
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@@ -93,7 +93,7 @@ impl DemoWindow {
let painter = ui.painter();
let c = response.rect.center();
let r = response.rect.width() / 2.0 - 1.0;
let color = Color32::gray(128);
let color = Color32::from_gray(128);
let stroke = Stroke::new(1.0, color);
painter.circle_stroke(c, r, stroke);
painter.line_segment([c - vec2(0.0, r), c + vec2(0.0, r)], stroke);
@@ -210,7 +210,7 @@ impl BoxPainting {
ui.painter().rect(
response.rect,
self.corner_radius,
Color32::gray(64),
Color32::from_gray(64),
Stroke::new(self.stroke_width, Color32::WHITE),
);
}

8
egui_demo_lib/src/apps/demo/toggle_switch.rs
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@@ -40,8 +40,8 @@ pub fn toggle(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
// "how should something that is being interacted with be painted?".
// 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 = egui::Rgba::new(0.0, 0.0, 0.0, 0.0);
let on_bg_fill = egui::Rgba::new(0.0, 0.5, 0.25, 1.0);
let off_bg_fill = egui::Rgba::TRANSPARENT;
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::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 rect = response.rect;
@@ -67,8 +67,8 @@ fn toggle_compact(ui: &mut egui::Ui, on: &mut bool) -> egui::Response {
let how_on = ui.ctx().animate_bool(response.id, *on);
let visuals = ui.style().interact(&response);
let off_bg_fill = egui::Rgba::new(0.0, 0.0, 0.0, 0.0);
let on_bg_fill = egui::Rgba::new(0.0, 0.5, 0.25, 1.0);
let off_bg_fill = egui::Rgba::TRANSPARENT;
let on_bg_fill = egui::Rgba::from_rgb(0.0, 0.5, 0.25);
let bg_fill = egui::lerp(off_bg_fill..=on_bg_fill, how_on);
let rect = response.rect;
let radius = 0.5 * rect.height();

2
egui_demo_lib/src/apps/demo/widgets.rs
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@@ -35,7 +35,7 @@ impl Default for Widgets {
count: 0,
sliders: Default::default(),
angle: std::f32::consts::TAU / 3.0,
color: (Rgba::new(0.0, 1.0, 0.5, 1.0) * 0.75).into(),
color: (Rgba::from_rgb(0.0, 1.0, 0.5) * 0.75).into(),
single_line_text_input: "Hello World!".to_owned(),
multiline_text_input: "Text can both be so wide that it needs a line break, but you can also add manual line break by pressing enter, creating new paragraphs.\nThis is the start of the next paragraph.\n\nClick me to edit me!".to_owned(),
toggle_switch: false,