Integrate Stable Diffusion with the Imaginate layer (#784)

* Add AI Artist layer

* WIP add a button to download the rendered folder under an AI Artist layer

* Successfully download the correct image

* Break out image downloading JS into helper function

* Change file download from using data URLs to blob URLs

* WIP rasterize to blob

* Remove dimensions from AI Artist layer

* Successfully draw rasterized image on layer after calculation

* Working txt2img generation based on user prompt

* Add img2img and the main parameters

* Fix ability to rasterize multi-depth documents with blob URL images by switching them to base64

* Fix test

* Rasterize with artboard background color

* Allow aspect ratio stretch of AI Artist images

* Add automatic resolution choosing

* Add a terminate button, and make the lifecycle more robust

* Add negative prompt

* Add range bounds for parameter inputs

* Add seed

* Add tiling and restore faces

* Add server status check, server hostname customization, and resizing layer to fit AI Artist resolution

* Fix background color of infinite canvas rasterization

* Escape prompt text sent in the JSON

* Revoke blob URLs when cleared/replaced to reduce memory leak

* Fix welcome screen logo color

* Add PreferencesMessageHandler

* Add persistent storage of preferences

* Fix crash introduced in previous commit when moving mouse on page load

* Add tooltips to the AI Artist layer properties

* Integrate AI Artist tool into the raster section of the tool shelf

* Add a refresh button to the connection status

* Fix crash when generating and switching to a different document tab

* Add persistent image storage to AI Artist layers and fix duplication bugs

* Add a generate with random seed button

* Simplify and standardize message names

* Majorly improve robustness of networking code

* Fix race condition causing default server hostname to show disconnected when app loads with AI Artist layer selected (probably, not confirmed fixed)

* Clean up messages and function calls by changing arguments into structs

* Update API to more recent server commit

* Add support for picking the sampling method

* Add machinery for filtering selected layers with type

* Replace placeholder button icons

* Improve the random icon by tilting the dice

* Use selected_layers() instead of repeating that code

* Fix borrow error

* Change message flow in progress towards fixing #797

* Allow loading image on non-active document (fixes #797)

* Reduce code duplication with rasterization

* Add AI Artist tool and layer icons, and remove ugly node layer icon style

* Rename "AI Artist" codename to "Imaginate" feature name

Co-authored-by: otdavies <oliver@psyfer.io>
Co-authored-by: 0hypercube <0hypercube@gmail.com>

graphene/src/layers/blend_mode.rs

@@ -41,30 +41,29 @@ pub enum BlendMode {
 
 impl fmt::Display for BlendMode {
 	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-		let text = match self {
-			BlendMode::Normal => "Normal".to_string(),
+		match self {
+			BlendMode::Normal => write!(f, "Normal"),
 
-			BlendMode::Multiply => "Multiply".to_string(),
-			BlendMode::Darken => "Darken".to_string(),
-			BlendMode::ColorBurn => "Color Burn".to_string(),
+			BlendMode::Multiply => write!(f, "Multiply"),
+			BlendMode::Darken => write!(f, "Darken"),
+			BlendMode::ColorBurn => write!(f, "Color Burn"),
 
-			BlendMode::Screen => "Screen".to_string(),
-			BlendMode::Lighten => "Lighten".to_string(),
-			BlendMode::ColorDodge => "Color Dodge".to_string(),
+			BlendMode::Screen => write!(f, "Screen"),
+			BlendMode::Lighten => write!(f, "Lighten"),
+			BlendMode::ColorDodge => write!(f, "Color Dodge"),
 
-			BlendMode::Overlay => "Overlay".to_string(),
-			BlendMode::SoftLight => "Soft Light".to_string(),
-			BlendMode::HardLight => "Hard Light".to_string(),
+			BlendMode::Overlay => write!(f, "Overlay"),
+			BlendMode::SoftLight => write!(f, "Soft Light"),
+			BlendMode::HardLight => write!(f, "Hard Light"),
 
-			BlendMode::Difference => "Difference".to_string(),
-			BlendMode::Exclusion => "Exclusion".to_string(),
+			BlendMode::Difference => write!(f, "Difference"),
+			BlendMode::Exclusion => write!(f, "Exclusion"),
 
-			BlendMode::Hue => "Hue".to_string(),
-			BlendMode::Saturation => "Saturation".to_string(),
-			BlendMode::Color => "Color".to_string(),
-			BlendMode::Luminosity => "Luminosity".to_string(),
-		};
-		write!(f, "{}", text)
+			BlendMode::Hue => write!(f, "Hue"),
+			BlendMode::Saturation => write!(f, "Saturation"),
+			BlendMode::Color => write!(f, "Color"),
+			BlendMode::Luminosity => write!(f, "Luminosity"),
+		}
 	}
 }