node_engine 0.7.0

// From: https://github.com/zakarumych/egui-snarl/blob/main/src/ui/zoom.rs
use egui::{
  CornerRadius, FontId, Margin, Stroke, Style, Visuals,
  epaint::Shadow,
  style::{Interaction, Spacing, TextCursorStyle, WidgetVisuals, Widgets},
};

pub trait Zoom {
  fn zoom(&mut self, zoom: f32);
}

impl Zoom for f32 {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    *self *= zoom;
  }
}

impl Zoom for i8 {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    *self = ((*self as f32) * zoom) as i8;
  }
}

impl<T: Zoom> Zoom for [T] {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    for value in self.iter_mut() {
      value.zoom(zoom);
    }
  }
}

impl Zoom for u8 {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    *self = ((*self as f32) * zoom) as u8;
  }
}

impl Zoom for emath::Vec2 {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    *self *= zoom;
  }
}

impl Zoom for emath::Pos2 {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.x *= zoom;
    self.y *= zoom;
  }
}

impl Zoom for emath::Rect {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.min.zoom(zoom);
    self.max.zoom(zoom);
  }
}

impl Zoom for CornerRadius {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.nw.zoom(zoom);
    self.ne.zoom(zoom);
    self.se.zoom(zoom);
    self.sw.zoom(zoom);
  }
}

impl Zoom for Margin {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.left.zoom(zoom);
    self.right.zoom(zoom);
    self.top.zoom(zoom);
    self.bottom.zoom(zoom);
  }
}

impl Zoom for Shadow {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.offset.zoom(zoom);
    self.blur.zoom(zoom);
    self.spread.zoom(zoom);
  }
}

impl Zoom for TextCursorStyle {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.stroke.zoom(zoom);
  }
}

impl Zoom for Stroke {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.width *= zoom;
    if self.width < 1.0 {
      self.color.gamma_multiply(self.width);
      self.width = 1.0;
    }
  }
}

impl Zoom for WidgetVisuals {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.bg_stroke.zoom(zoom);
    self.corner_radius.zoom(zoom);
    self.fg_stroke.zoom(zoom);
    self.expansion.zoom(zoom);
  }
}

impl Zoom for Interaction {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.resize_grab_radius_corner.zoom(zoom);
    self.resize_grab_radius_side.zoom(zoom);
  }
}

impl Zoom for Widgets {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.noninteractive.zoom(zoom);
    self.inactive.zoom(zoom);
    self.hovered.zoom(zoom);
    self.active.zoom(zoom);
    self.open.zoom(zoom);
  }
}

impl Zoom for Visuals {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.clip_rect_margin.zoom(zoom);
    self.menu_corner_radius.zoom(zoom);
    self.popup_shadow.zoom(zoom);
    self.resize_corner_size.zoom(zoom);
    self.selection.stroke.zoom(zoom);
    self.text_cursor.zoom(zoom);
    self.widgets.zoom(zoom);
    self.window_corner_radius.zoom(zoom);
    self.window_shadow.zoom(zoom);
    self.window_stroke.zoom(zoom);
  }
}

impl Zoom for Spacing {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    self.button_padding.zoom(zoom);
    self.combo_height.zoom(zoom);
    self.combo_width.zoom(zoom);
    self.icon_spacing.zoom(zoom);
    self.icon_width.zoom(zoom);
    self.icon_width_inner.zoom(zoom);
    self.indent.zoom(zoom);
    self.interact_size.zoom(zoom);
    self.item_spacing.zoom(zoom);
    self.menu_margin.zoom(zoom);
    self.slider_width.zoom(zoom);
    self.text_edit_width.zoom(zoom);
    self.tooltip_width.zoom(zoom);
    self.window_margin.zoom(zoom);
  }
}

impl Zoom for FontId {
  fn zoom(&mut self, zoom: f32) {
    self.size.zoom(zoom);
  }
}

impl Zoom for Style {
  #[inline(always)]
  fn zoom(&mut self, zoom: f32) {
    if let Some(font_id) = &mut self.override_font_id {
      font_id.zoom(zoom);
    }
    for font_id in self.text_styles.values_mut() {
      font_id.zoom(zoom);
    }
    self.interaction.zoom(zoom);
    self.spacing.zoom(zoom);
    self.visuals.zoom(zoom);
  }
}