Add a movable canvas with matricies (#175)

* Convert polygon and rectangle tool to kurbo::BezPath

* Add glam

* Add affine transform to elipse and remove circle

* Format

* Add svg group and add matrix for group

* Convert all operations to use matricies

* Work uses same transform as root

* Format

* Frontend fixed to render changes to working colors when changed from backend (#180)

* Backend and Frontend modification to show working color mods

* Remove comments & change precedence for tool and doc actions

* Add keybind for resetting work colors

* Minor Frontend changes

* Remove early sample "greet" code

* Add a contributing section to the project README

* Add moving document around

* Add document transform for tools

* Update to GraphiteEditor's fork

* Use write in foreach for rendering group / folder

* Add missing TranslateDown action

* Use points for line operation

* Format

* Add todo to change to shape's aspect ratio

* Remove empty if

* Initial pass at refactor

* Fix polyline test

* Use document message to modify document transform

* Messages -> Operations

* Transform layer

* Format

* Use DAffine2::IDENTITY

* Clean up kurbo generation for line and rect

* Use .into for rectangle points

* Rename cols to transform

* Rename other cols to transform

* Add todo for into_iter

* Remove unnecessary clone

Co-authored-by: akshay1992kalbhor <akshay1992kalbhor@gmail.com>
Co-authored-by: Keavon Chambers <keavon@keavon.com>

core/document/src/operation.rs

@@ -5,44 +5,27 @@ use serde::{Deserialize, Serialize};
 #[repr(C)]
 #[derive(Debug, Clone, PartialEq, Deserialize, Serialize)]
 pub enum Operation {
-	AddCircle {
-		path: Vec<LayerId>,
-		insert_index: isize,
-		cx: f64,
-		cy: f64,
-		r: f64,
-		style: style::PathStyle,
-	},
 	AddEllipse {
 		path: Vec<LayerId>,
 		insert_index: isize,
-		cx: f64,
-		cy: f64,
-		rx: f64,
-		ry: f64,
-		rot: f64,
+		transform: [f64; 6],
 		style: style::PathStyle,
 	},
 	AddRect {
 		path: Vec<LayerId>,
 		insert_index: isize,
-		x0: f64,
-		y0: f64,
-		x1: f64,
-		y1: f64,
+		transform: [f64; 6],
 		style: style::PathStyle,
 	},
 	AddLine {
 		path: Vec<LayerId>,
 		insert_index: isize,
-		x0: f64,
-		y0: f64,
-		x1: f64,
-		y1: f64,
+		transform: [f64; 6],
 		style: style::PathStyle,
 	},
 	AddPen {
 		path: Vec<LayerId>,
+		transform: [f64; 6],
 		insert_index: isize,
 		points: Vec<(f64, f64)>,
 		style: style::PathStyle,
@@ -50,10 +33,8 @@ pub enum Operation {
 	AddShape {
 		path: Vec<LayerId>,
 		insert_index: isize,
-		x0: f64,
-		y0: f64,
-		x1: f64,
-		y1: f64,
+		transform: [f64; 6],
+		equal_sides: bool,
 		sides: u8,
 		style: style::PathStyle,
 	},
@@ -69,6 +50,10 @@ pub enum Operation {
 	MountWorkingFolder {
 		path: Vec<LayerId>,
 	},
+	TransformLayer {
+		path: Vec<LayerId>,
+		transform: [f64; 6],
+	},
 	DiscardWorkingFolder,
 	ClearWorkingFolder,
 	CommitTransaction,