Add Flip X, Flip Y, Rotate 90, Rotate 180, Rotate 270

src/Tools/BaseDraw.gd

@@ -3,6 +3,11 @@ extends BaseTool
 var _brush := Brushes.get_default_brush()
 var _brush_size := 1
 var _brush_size_dynamics := 1
+var _brush_flip_x := false
+var _brush_flip_y := false
+var _brush_rotate_90 := false
+var _brush_rotate_180 := false
+var _brush_rotate_270 := false
 var _cache_limit := 3
 var _brush_interpolate := 0
 var _brush_image := Image.new()
@@ -122,6 +127,11 @@ func set_config(config: Dictionary) -> void:
 func update_config() -> void:
 	$Brush/BrushSize.value = _brush_size
 	$ColorInterpolation.value = _brush_interpolate
+	$Flip/FlipX.button_pressed = _brush_flip_x
+	$Flip/FlipY.button_pressed = _brush_flip_y
+	$Rotate/Rotate90.button_pressed = _brush_rotate_90
+	$Rotate/Rotate180.button_pressed = _brush_rotate_180
+	$Rotate/Rotate270.button_pressed = _brush_rotate_270
 	update_brush()
 
 
@@ -151,12 +161,15 @@ func update_brush() -> void:
 				var random := randi() % _brush.random.size()
 				_orignal_brush_image = _brush.random[random]
 			_brush_image = _create_blended_brush_image(_orignal_brush_image)
+			update_brush_image_flip_and_rotate()
 			_brush_texture = ImageTexture.create_from_image(_brush_image)
 			update_mirror_brush()
 			_stroke_dimensions = _brush_image.get_size()
 	_indicator = _create_brush_indicator()
 	_polylines = _create_polylines(_indicator)
 	$Brush/Type/Texture.texture = _brush_texture
+	#$Brush/Type/Texture.set_flip_v(Tools.brush_flip_x)
+	#$Brush/Type/Texture.set_flip_h(Tools.brush_flip_y)
 	$ColorInterpolation.visible = _brush.type in [Brushes.FILE, Brushes.RANDOM_FILE, Brushes.CUSTOM]
 
 
@@ -166,6 +179,7 @@ func update_random_image() -> void:
 	var random := randi() % _brush.random.size()
 	_brush_image = _create_blended_brush_image(_brush.random[random])
 	_orignal_brush_image = _brush_image
+	update_brush_image_flip_and_rotate()
 	_brush_texture = ImageTexture.create_from_image(_brush_image)
 	_indicator = _create_brush_indicator()
 	update_mirror_brush()
@@ -180,6 +194,19 @@ func update_mirror_brush() -> void:
 	_mirror_brushes.xy.flip_y()
 
 
+func update_brush_image_flip_and_rotate() -> void:
+		if _brush_flip_x == true:
+			_brush_image.flip_x()
+		if _brush_flip_y == true:
+			_brush_image.flip_y()
+		if _brush_rotate_90 == true:
+			_brush_image.rotate_90(CLOCKWISE)
+		if _brush_rotate_180 == true:
+			_brush_image.rotate_180()
+		if _brush_rotate_270 == true:
+			_brush_image.rotate_90(COUNTERCLOCKWISE)
+
+
 func update_mask(can_skip := true) -> void:
 	if can_skip and Tools.dynamics_alpha == Tools.Dynamics.NONE:
 		if _mask:
@@ -241,6 +268,7 @@ func draw_end(pos: Vector2i) -> void:
 	match _brush.type:
 		Brushes.FILE, Brushes.RANDOM_FILE, Brushes.CUSTOM:
 			_brush_image = _create_blended_brush_image(_orignal_brush_image)
+			update_brush_image_flip_and_rotate()
 			_brush_texture = ImageTexture.create_from_image(_brush_image)
 			update_mirror_brush()
 			_stroke_dimensions = _brush_image.get_size()
@@ -279,6 +307,7 @@ func _prepare_tool() -> void:
 		Brushes.FILE, Brushes.RANDOM_FILE, Brushes.CUSTOM:
 			# save _brush_image for safe keeping
 			_brush_image = _create_blended_brush_image(_orignal_brush_image)
+			update_brush_image_flip_and_rotate()
 			_brush_texture = ImageTexture.create_from_image(_brush_image)
 			update_mirror_brush()
 			_stroke_dimensions = _brush_image.get_size()
@@ -707,3 +736,29 @@ func _pick_color(pos: Vector2i) -> void:
 		else MOUSE_BUTTON_RIGHT
 	)
 	Tools.assign_color(color, button, false)
+
+
+
+func _on_flip_x_toggled(button_pressed: bool) -> void:
+	_brush_flip_x = button_pressed
+	update_brush()
+
+
+func _on_flip_y_toggled(button_pressed: bool) -> void:
+	_brush_flip_y = button_pressed
+	update_brush()
+
+
+func _on_rotate_90_toggled(button_pressed: bool) -> void:
+	_brush_rotate_90 = button_pressed
+	update_brush()
+
+
+func _on_rotate_180_toggled(button_pressed: bool) -> void:
+	_brush_rotate_180 = button_pressed
+	update_brush()
+
+
+func _on_rotate_270_toggled(button_pressed: bool) -> void:
+	_brush_rotate_270 = button_pressed
+	update_brush()

src/Tools/BaseDraw.tscn

@@ -25,7 +25,33 @@ anti_aliasing = false
 [node name="ToolOptions" instance=ExtResource("2")]
 script = ExtResource("3")
 
-[node name="Brush" type="HBoxContainer" parent="." index="2"]
+[node name="Flip" type="HBoxContainer" parent="." index="2"]
+layout_mode = 2
+
+[node name="FlipX" type="CheckBox" parent="Flip" index="0"]
+layout_mode = 2
+text = "Flip X"
+
+[node name="FlipY" type="CheckBox" parent="Flip" index="1"]
+layout_mode = 2
+text = "Flip Y"
+
+[node name="Rotate" type="HBoxContainer" parent="." index="3"]
+layout_mode = 2
+
+[node name="Rotate90" type="CheckBox" parent="Rotate" index="0"]
+layout_mode = 2
+text = "R 90"
+
+[node name="Rotate180" type="CheckBox" parent="Rotate" index="1"]
+layout_mode = 2
+text = "R 180"
+
+[node name="Rotate270" type="CheckBox" parent="Rotate" index="2"]
+layout_mode = 2
+text = "R 270"
+
+[node name="Brush" type="HBoxContainer" parent="." index="4"]
 layout_mode = 2
 alignment = 1
 
@@ -59,12 +85,17 @@ suffix = "px"
 global_increment_action = "brush_size_increment"
 global_decrement_action = "brush_size_decrement"
 
-[node name="ColorInterpolation" parent="." index="3" instance=ExtResource("1")]
+[node name="ColorInterpolation" parent="." index="5" instance=ExtResource("1")]
 visible = false
 layout_mode = 2
 tooltip_text = "0: Color from the brush itself, 100: the currently selected color"
 prefix = "Brush color from:"
 
+[connection signal="toggled" from="Flip/FlipX" to="." method="_on_flip_x_toggled"]
+[connection signal="toggled" from="Flip/FlipY" to="." method="_on_flip_y_toggled"]
+[connection signal="toggled" from="Rotate/Rotate90" to="." method="_on_rotate_90_toggled"]
+[connection signal="toggled" from="Rotate/Rotate180" to="." method="_on_rotate_180_toggled"]
+[connection signal="toggled" from="Rotate/Rotate270" to="." method="_on_rotate_270_toggled"]
 [connection signal="pressed" from="Brush/Type" to="." method="_on_BrushType_pressed"]
 [connection signal="value_changed" from="Brush/BrushSize" to="." method="_on_BrushSize_value_changed"]
 [connection signal="value_changed" from="ColorInterpolation" to="." method="_on_InterpolateFactor_value_changed"]