Changes to the menu and tool bars to toggle new features. Icon for Cut.

src/user_interface/gui/icons/mod.rs

@@ -3,7 +3,7 @@ pub use self::button::build as build_button;
 pub use self::button::build_and_add as build_and_add_button;
 pub use self::button::IntoResponse as IntoButtonResponse;
 
-pub const _KNIFE: &str = "\u{F000}";
+pub const KNIFE: &str = "\u{F000}";
 pub const MEASURE: &str = "\u{F001}";
 pub const PAN: &str = "\u{F002}";
 pub const PEN: &str = "\u{F003}";

src/user_interface/gui/menu_bar.rs

@@ -69,6 +69,8 @@ pub fn menu_bar(ctx: &Context, v: &mut Editor, i: &mut Interface, wm: &mut Windo
                 });
 
                 ui.checkbox(&mut i.grid.show, "Grid");
+                ui.checkbox(&mut i.curvature_vis, "Curvature Visualization");
+                ui.checkbox(&mut i.measure.enabled, "Show Measure");
             });
 
             //

src/user_interface/gui/tool_bar.rs

@@ -50,6 +50,7 @@ pub fn tool_bar(ctx: &Context, v: &mut Editor, _i: &mut Interface) {
                 build_button(v, ui, icons::PAN, ToolEnum::Pan);
                 build_button(v, ui, icons::SELECT, ToolEnum::Select);
                 build_button(v, ui, icons::PEN, ToolEnum::Pen);
+                build_button(v, ui, icons::KNIFE, ToolEnum::Cut);
                 ui.separator();
                 build_button(v, ui, icons::ZOOM, ToolEnum::Zoom);
                 build_button(v, ui, icons::MEASURE, ToolEnum::Measure);

src/user_interface/mod.rs

@@ -24,6 +24,7 @@ use skia_safe::Surface;
 
 use crate::editor::Editor;
 pub use crate::user_interface::mouse_input::MouseInfo;
+pub use crate::render::measure::Measure;
 
 use sdl2::{video::Window as SdlWindow, Sdl};
 
@@ -42,6 +43,8 @@ pub struct Interface {
 
     pub context: Option<(f32, f32)>,
     pub grid: Grid,
+    pub measure: Measure,
+    pub curvature_vis: bool,
     pub mouse_info: MouseInfo,
     pub viewport: Viewport,
 
@@ -84,6 +87,8 @@ impl Interface {
 
             context: None,
             grid: Grid::default(),
+            measure: Measure { start_point: None, end_point: None, enabled: true},
+            curvature_vis: true,
             mouse_info: MouseInfo::default(),
             viewport: Viewport::default(),