Implement anchor and handle point rendering with the Path Tool (#353)

* Implement Path Tool

* Draw a red rectangle where the first point on the shape is

* Correctly render anchors, handles, and connecting lines

* Fix drain() which can panic

* Refactor frontend messages to work as return values not callbacks

* Reduce the number of unnecessary frontend updates

* Fix stack overflow by using a loop

* Group Document Render calls and put them at the end

* Speed hacks for dirtification

* Add performance

* Bunch folder changed updates

* Add triggers to redraw overlays to movement_handler

* Polish the pixel-perfect rendering of vector manipulators

* Restore scrollbars that were disabled

* Cleanup

* WIP Add shape outline rendering

* Fix compiling

* Add outlines to selected shapes

* Fix outlines rendering over handles and anchors

* Fix dirtification

* Add a comment

* Address code review feedback

* Formatting

* Small tweaks

Co-authored-by: Oliver Davies <oliver@psyfer.io>
Co-authored-by: Dennis Kobert <dennis@kobert.dev>

editor/src/tool/tools/fill.rs

@@ -3,12 +3,13 @@ use crate::message_prelude::*;
 use crate::tool::ToolActionHandlerData;
 use glam::DVec2;
 use graphene::{Operation, Quad};
+use serde::{Deserialize, Serialize};
 
 #[derive(Default)]
 pub struct Fill;
 
 #[impl_message(Message, ToolMessage, Fill)]
-#[derive(PartialEq, Clone, Debug, Hash)]
+#[derive(PartialEq, Clone, Debug, Hash, Serialize, Deserialize)]
 pub enum FillMessage {
 	MouseDown,
 }
@@ -21,7 +22,7 @@ impl<'a> MessageHandler<ToolMessage, ToolActionHandlerData<'a>> for Fill {
 
 		if let Some(path) = data.0.document.intersects_quad_root(quad).last() {
 			responses.push_back(
-				Operation::FillLayer {
+				Operation::SetLayerFill {
 					path: path.to_vec(),
 					color: data.1.primary_color,
 				}