Added checkbox in OutlineDialog for affection selection

src/Autoload/DrawingAlgos.gd

@@ -318,7 +318,7 @@ func desaturate_image(image : Image) -> void:
 	Global.canvas.handle_redo("Draw")
 
 
-func generate_outline(image : Image, outline_color : Color, thickness : int, diagonal : bool, inside_image : bool) -> void:
+func generate_outline(image : Image, pixels : Array, outline_color : Color, thickness : int, diagonal : bool, inside_image : bool) -> void:
 	if image.is_invisible():
 		return
 	var new_image := Image.new()
@@ -326,9 +326,7 @@ func generate_outline(image : Image, outline_color : Color, thickness : int, dia
 	new_image.lock()
 
 	Global.canvas.handle_undo("Draw")
-	for xx in image.get_size().x:
-		for yy in image.get_size().y:
-			var pos = Vector2(xx, yy)
+	for pos in pixels:
 		var current_pixel := image.get_pixelv(pos)
 		if current_pixel.a == 0:
 			continue

src/UI/Dialogs/OutlineDialog.gd

@@ -1,14 +1,38 @@
 extends ConfirmationDialog
 
+
+var pixels := []
+
+onready var outline_color = $OptionsContainer/OutlineColor
+onready var thick_value = $OptionsContainer/ThickValue
+onready var diagonal_checkbox = $OptionsContainer/DiagonalCheckBox
+onready var inside_image_checkbox = $OptionsContainer/InsideImageCheckBox
+onready var selection_checkbox = $OptionsContainer/SelectionCheckBox
+
+
 func _ready() -> void:
-	$OptionsContainer/OutlineColor.get_picker().presets_visible = false
+	outline_color.get_picker().presets_visible = false
+
+
+func _on_OutlineDialog_about_to_show() -> void:
+	_on_SelectionCheckBox_toggled(selection_checkbox.pressed)
 
 
 func _on_OutlineDialog_confirmed() -> void:
-	var outline_color : Color = $OptionsContainer/OutlineColor.color
-	var thickness : int = $OptionsContainer/ThickValue.value
-	var diagonal : bool = $OptionsContainer/DiagonalCheckBox.pressed
-	var inside_image : bool = $OptionsContainer/InsideImageCheckBox.pressed
+	var color : Color = outline_color.color
+	var thickness : int = thick_value.value
+	var diagonal : bool = diagonal_checkbox.pressed
+	var inside_image : bool = inside_image_checkbox.pressed
 
 	var image : Image = Global.current_project.frames[Global.current_project.current_frame].cels[Global.current_project.current_layer].image
-	DrawingAlgos.generate_outline(image, outline_color, thickness, diagonal, inside_image)
+	DrawingAlgos.generate_outline(image, pixels, color, thickness, diagonal, inside_image)
+
+
+func _on_SelectionCheckBox_toggled(button_pressed : bool) -> void:
+	pixels.clear()
+	if button_pressed:
+		pixels = Global.current_project.selected_pixels.duplicate()
+	else:
+		for x in Global.current_project.size.x:
+			for y in Global.current_project.size.y:
+				pixels.append(Vector2(x, y))

src/UI/Dialogs/OutlineDialog.tscn

@@ -13,9 +13,9 @@ anchor_top = 0.5
 anchor_right = 0.5
 anchor_bottom = 0.5
 margin_left = -121.0
-margin_top = -52.0
+margin_top = -66.0
 margin_right = 121.0
-margin_bottom = 24.0
+margin_bottom = 38.0
 custom_constants/vseparation = 4
 custom_constants/hseparation = 4
 columns = 2
@@ -64,4 +64,14 @@ margin_right = 242.0
 margin_bottom = 76.0
 mouse_default_cursor_shape = 2
 text = "Place inside image"
+
+[node name="SelectionCheckBox" type="CheckBox" parent="OptionsContainer"]
+margin_top = 80.0
+margin_right = 90.0
+margin_bottom = 104.0
+mouse_default_cursor_shape = 2
+pressed = true
+text = "Only affect selection"
+[connection signal="about_to_show" from="." to="." method="_on_OutlineDialog_about_to_show"]
 [connection signal="confirmed" from="." to="." method="_on_OutlineDialog_confirmed"]
+[connection signal="toggled" from="OptionsContainer/SelectionCheckBox" to="." method="_on_SelectionCheckBox_toggled"]