Added a new brush type - Filled Circle

Filled Circle brush is just like the Circle brush, but filled. Issue is, when drawing while moving the mouse, some pixels remain unfilled.

Also added some more file brushes.

Assets/Graphics/circle_filled_9x9.png.import

@@ -0,0 +1,13 @@
+[remap]
+
+importer="image"
+type="Image"
+path="res://.import/circle_filled_9x9.png-e8b23839b7a2268668453f011aef5a21.image"
+
+[deps]
+
+source_file="res://Assets/Graphics/circle_filled_9x9.png"
+dest_files=[ "res://.import/circle_filled_9x9.png-e8b23839b7a2268668453f011aef5a21.image" ]
+
+[params]
+

Scripts/BrushButton.gd

@@ -1,7 +1,7 @@
 extends BaseButton
 
 export var brush_type = Global.BRUSH_TYPES.PIXEL
-export var custom_brush_index := -2
+export var custom_brush_index := -3
 # warning-ignore:unused_class_variable
 var random_brushes := []
 
@@ -17,12 +17,15 @@ func _on_BrushButton_pressed() -> void:
 				Global.left_brush_type_label.text = tr("Custom brush")
 			else:
 				Global.left_brush_type_label.text = tr("Brush:") + " %s" % hint_tooltip
-		elif custom_brush_index == -2: # Pixel brush
+		elif custom_brush_index == -3: # Pixel brush
 			Global.left_color_interpolation_container.visible = false
 			Global.left_brush_type_label.text = tr("Brush: Pixel")
-		elif custom_brush_index == -1: # Circle brush
+		elif custom_brush_index == -2: # Circle brush
 			Global.left_color_interpolation_container.visible = false
 			Global.left_brush_type_label.text = tr("Brush: Circle")
+		elif custom_brush_index == -1: # Filled Circle brush
+			Global.left_color_interpolation_container.visible = false
+			Global.left_brush_type_label.text = tr("Brush: Filled Circle")
 
 		Global.update_left_custom_brush()
 
@@ -36,24 +39,27 @@ func _on_BrushButton_pressed() -> void:
 				Global.right_brush_type_label.text = tr("Custom brush")
 			else:
 				Global.right_brush_type_label.text = tr("Brush:") + " %s" % hint_tooltip
-		elif custom_brush_index == -2: # Pixel brush
+		elif custom_brush_index == -3: # Pixel brush
 			Global.right_color_interpolation_container.visible = false
 			Global.right_brush_type_label.text = tr("Brush: Pixel")
-		elif custom_brush_index == -1: # Circle brush
+		elif custom_brush_index == -2: # Circle brush
 			Global.right_color_interpolation_container.visible = false
 			Global.right_brush_type_label.text = tr("Brush: Circle")
+		elif custom_brush_index == -1: # Filled Circle brush
+			Global.right_color_interpolation_container.visible = false
+			Global.right_brush_type_label.text = tr("Brush: Filled Circle")
 
 		Global.update_right_custom_brush()
 
 func _on_DeleteButton_pressed() -> void:
 	if brush_type == Global.BRUSH_TYPES.CUSTOM:
 		if Global.custom_left_brush_index == custom_brush_index:
-			Global.custom_left_brush_index = -2
+			Global.custom_left_brush_index = -3
 			Global.current_left_brush_type = Global.BRUSH_TYPES.PIXEL
 			Global.left_brush_type_label.text = "Brush: Pixel"
 			Global.update_left_custom_brush()
 		if Global.custom_right_brush_index == custom_brush_index:
-			Global.custom_right_brush_index = -2
+			Global.custom_right_brush_index = -3
 			Global.current_right_brush_type = Global.BRUSH_TYPES.PIXEL
 			Global.right_brush_type_label.text = "Brush: Pixel"
 			Global.update_right_custom_brush()

Scripts/Canvas.gd

@@ -466,7 +466,7 @@ func _draw() -> void:
 					var start_pos_x = mouse_pos.x - (Global.left_brush_size >> 1)
 					var start_pos_y = mouse_pos.y - (Global.left_brush_size >> 1)
 					draw_rect(Rect2(start_pos_x, start_pos_y, Global.left_brush_size, Global.left_brush_size), Color.blue, false)
-			elif Global.current_left_brush_type == Global.BRUSH_TYPES.CIRCLE:
+			elif Global.current_left_brush_type == Global.BRUSH_TYPES.CIRCLE || Global.current_left_brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE:
 				if Global.current_left_tool == "Pencil" || Global.current_left_tool == "Eraser":
 					draw_set_transform(mouse_pos, rotation, scale)
 					for rect in Global.left_circle_points:
@@ -484,7 +484,7 @@ func _draw() -> void:
 					var start_pos_x = mouse_pos.x - (Global.right_brush_size >> 1)
 					var start_pos_y = mouse_pos.y - (Global.right_brush_size >> 1)
 					draw_rect(Rect2(start_pos_x, start_pos_y, Global.right_brush_size, Global.right_brush_size), Color.red, false)
-			elif Global.current_right_brush_type == Global.BRUSH_TYPES.CIRCLE:
+			elif Global.current_right_brush_type == Global.BRUSH_TYPES.CIRCLE || Global.current_right_brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE:
 				if Global.current_right_tool == "Pencil" || Global.current_right_tool == "Eraser":
 					draw_set_transform(mouse_pos, rotation, scale)
 					for rect in Global.right_circle_points:
@@ -553,7 +553,7 @@ func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, cur
 			if brush_type != Global.BRUSH_TYPES.RANDOM_FILE:
 				custom_brush_image = Global.custom_left_brush_image
 			else: # Handle random brush
-				var brush_button = Global.file_brush_container.get_child(brush_index + 2)
+				var brush_button = Global.file_brush_container.get_child(brush_index + 3)
 				var random_index = randi() % brush_button.random_brushes.size()
 				custom_brush_image = Image.new()
 				custom_brush_image.copy_from(brush_button.random_brushes[random_index])
@@ -573,7 +573,7 @@ func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, cur
 			if brush_type != Global.BRUSH_TYPES.RANDOM_FILE:
 				custom_brush_image = Global.custom_right_brush_image
 			else: # Handle random brush
-				var brush_button = Global.file_brush_container.get_child(brush_index + 2)
+				var brush_button = Global.file_brush_container.get_child(brush_index + 3)
 				var random_index = randi() % brush_button.random_brushes.size()
 				custom_brush_image = Image.new()
 				custom_brush_image.copy_from(brush_button.random_brushes[random_index])
@@ -664,18 +664,18 @@ func draw_pixel(pos : Vector2, color : Color, current_mouse_button : String, cur
 									layers[current_layer_index][0].set_pixel(mirror_x, mirror_y, color)
 									sprite_changed_this_frame = true
 
-		elif brush_type == Global.BRUSH_TYPES.CIRCLE:
+		elif brush_type == Global.BRUSH_TYPES.CIRCLE || brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE:
-			plot_circle(layers[current_layer_index][0], pos.x, pos.y, brush_size, color)
+			plot_circle(layers[current_layer_index][0], pos.x, pos.y, brush_size, color, brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE)
 
 			# Handle mirroring
 			var mirror_x := east_limit + west_limit - pos.x
 			var mirror_y := south_limit + north_limit - pos.y
 			if horizontal_mirror:
-				plot_circle(layers[current_layer_index][0], mirror_x, pos.y, brush_size, color)
+				plot_circle(layers[current_layer_index][0], mirror_x, pos.y, brush_size, color, brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE)
 			if vertical_mirror:
-				plot_circle(layers[current_layer_index][0], pos.x, mirror_y, brush_size, color)
+				plot_circle(layers[current_layer_index][0], pos.x, mirror_y, brush_size, color, brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE)
 			if horizontal_mirror && vertical_mirror:
-				plot_circle(layers[current_layer_index][0], mirror_x, mirror_y, brush_size, color)
+				plot_circle(layers[current_layer_index][0], mirror_x, mirror_y, brush_size, color, brush_type == Global.BRUSH_TYPES.FILLED_CIRCLE)
 
 			sprite_changed_this_frame = true
 
@@ -822,7 +822,7 @@ func flood_fill(pos : Vector2, target_color : Color, replace_color : Color) -> v
 		sprite_changed_this_frame = true
 
 # Algorithm based on http://members.chello.at/easyfilter/bresenham.html
-func plot_circle(sprite : Image, xm : int, ym : int, r : int, color : Color) -> void:
+func plot_circle(sprite : Image, xm : int, ym : int, r : int, color : Color, fill := false) -> void:
 	var west_limit := location.x
 	var east_limit := location.x + size.x
 	var north_limit := location.y
@@ -833,6 +833,7 @@ func plot_circle(sprite : Image, xm : int, ym : int, r : int, color : Color) ->
 		north_limit = max(north_limit, Global.selection_rectangle.polygon[0].y)
 		south_limit = min(south_limit, Global.selection_rectangle.polygon[2].y)
 
+	var target_color : Color = sprite.get_pixel(xm, ym) # Used for filling
 	var x := -r
 	var y := 0
 	var err := 2 - r * 2 # II. Quadrant
@@ -857,6 +858,9 @@ func plot_circle(sprite : Image, xm : int, ym : int, r : int, color : Color) ->
 			x += 1
 			err += x * 2 + 1
 
+	if fill:
+		flood_fill(Vector2(xm, ym), target_color, color)
+
 # Checks if a point is inside a rectangle
 func point_in_rectangle(p : Vector2, coord1 : Vector2, coord2 : Vector2) -> bool:
 	return p.x > coord1.x && p.y > coord1.y && p.x < coord2.x && p.y < coord2.y

Scripts/Global.gd

@@ -85,7 +85,7 @@ var onion_skinning_future_rate := 0
 var onion_skinning_blue_red := false
 
 # Brushes
-enum BRUSH_TYPES {PIXEL, CIRCLE, FILE, RANDOM_FILE, CUSTOM}
+enum BRUSH_TYPES {PIXEL, CIRCLE, FILLED_CIRCLE, FILE, RANDOM_FILE, CUSTOM}
 # warning-ignore:unused_class_variable
 var left_brush_size := 1
 # warning-ignore:unused_class_variable
@@ -494,12 +494,15 @@ func update_left_custom_brush() -> void:
 	if current_left_brush_type == BRUSH_TYPES.PIXEL:
 		var pixel := Image.new()
 		pixel = preload("res://Assets/Graphics/pixel_image.png")
-		pixel = blend_image_with_color(pixel, left_color_picker.color, 1)
 		left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
 	elif current_left_brush_type == BRUSH_TYPES.CIRCLE:
 		var pixel := Image.new()
 		pixel = preload("res://Assets/Graphics/circle_9x9.png")
-		pixel = blend_image_with_color(pixel, left_color_picker.color, 1)
+		left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
+		left_circle_points = plot_circle(left_brush_size)
+	elif current_left_brush_type == BRUSH_TYPES.FILLED_CIRCLE:
+		var pixel := Image.new()
+		pixel = preload("res://Assets/Graphics/circle_filled_9x9.png")
 		left_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
 		left_circle_points = plot_circle(left_brush_size)
 	else:
@@ -516,12 +519,15 @@ func update_right_custom_brush() -> void:
 	if current_right_brush_type == BRUSH_TYPES.PIXEL:
 		var pixel := Image.new()
 		pixel = preload("res://Assets/Graphics/pixel_image.png")
-		pixel = blend_image_with_color(pixel, right_color_picker.color, 1)
 		right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
 	elif current_right_brush_type == BRUSH_TYPES.CIRCLE:
 		var pixel := Image.new()
 		pixel = preload("res://Assets/Graphics/circle_9x9.png")
-		pixel = blend_image_with_color(pixel, right_color_picker.color, 1)
+		right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
+		right_circle_points = plot_circle(right_brush_size)
+	elif current_right_brush_type == BRUSH_TYPES.FILLED_CIRCLE:
+		var pixel := Image.new()
+		pixel = preload("res://Assets/Graphics/circle_filled_9x9.png")
 		right_brush_type_button.get_child(0).texture.create_from_image(pixel, 0)
 		right_circle_points = plot_circle(right_brush_size)
 	else: