Lightningbeam/lightningbeam-ui/egui_node_graph2/src/scale.rs

110 lines
3.3 KiB
Rust

use egui::epaint::Shadow;
use egui::{style::WidgetVisuals, CornerRadius, Margin, Stroke, Style, Vec2};
// Copied from https://github.com/gzp-crey/shine
pub trait Scale {
fn scale(&mut self, amount: f32);
fn scaled(&self, amount: f32) -> Self
where
Self: Clone,
{
let mut scaled = self.clone();
scaled.scale(amount);
scaled
}
}
impl Scale for Vec2 {
fn scale(&mut self, amount: f32) {
self.x *= amount;
self.y *= amount;
}
}
impl Scale for Margin {
fn scale(&mut self, amount: f32) {
self.left = (self.left as f32 * amount) as i8;
self.right = (self.right as f32 * amount) as i8;
self.top = (self.top as f32 * amount) as i8;
self.bottom = (self.bottom as f32 * amount) as i8;
}
}
impl Scale for CornerRadius {
fn scale(&mut self, amount: f32) {
self.ne = (self.ne as f32 * amount) as u8;
self.nw = (self.nw as f32 * amount) as u8;
self.se = (self.se as f32 * amount) as u8;
self.sw = (self.sw as f32 * amount) as u8;
}
}
impl Scale for Stroke {
fn scale(&mut self, amount: f32) {
self.width *= amount;
}
}
impl Scale for Shadow {
fn scale(&mut self, amount: f32) {
self.spread = (self.spread as f32 * amount.clamp(0.4, 1.)) as u8;
}
}
impl Scale for WidgetVisuals {
fn scale(&mut self, amount: f32) {
self.bg_stroke.scale(amount);
self.fg_stroke.scale(amount);
self.corner_radius.scale(amount);
self.expansion *= amount.clamp(0.4, 1.);
}
}
impl Scale for Style {
fn scale(&mut self, amount: f32) {
if let Some(ov_font_id) = &mut self.override_font_id {
ov_font_id.size *= amount;
}
for text_style in self.text_styles.values_mut() {
text_style.size *= amount;
}
self.spacing.item_spacing.scale(amount);
self.spacing.window_margin.scale(amount);
self.spacing.button_padding.scale(amount);
self.spacing.indent *= amount;
self.spacing.interact_size.scale(amount);
self.spacing.slider_width *= amount;
self.spacing.text_edit_width *= amount;
self.spacing.icon_width *= amount;
self.spacing.icon_width_inner *= amount;
self.spacing.icon_spacing *= amount;
self.spacing.tooltip_width *= amount;
self.spacing.combo_height *= amount;
self.spacing.scroll.bar_width *= amount;
self.spacing.scroll.floating_allocated_width *= amount;
self.spacing.scroll.floating_width *= amount;
self.interaction.resize_grab_radius_side *= amount;
self.interaction.resize_grab_radius_corner *= amount;
self.visuals.widgets.noninteractive.scale(amount);
self.visuals.widgets.inactive.scale(amount);
self.visuals.widgets.hovered.scale(amount);
self.visuals.widgets.active.scale(amount);
self.visuals.widgets.open.scale(amount);
self.visuals.selection.stroke.scale(amount);
self.visuals.resize_corner_size *= amount;
self.visuals.text_cursor.stroke.width *= amount;
self.visuals.clip_rect_margin *= amount;
self.visuals.window_corner_radius.scale(amount);
self.visuals.window_shadow.scale(amount);
self.visuals.popup_shadow.scale(amount);
}
}