Change "Crop Image" to "Trim Image" and add a new "Crop Image" that actually crops the image based on the active selection

Translations/Translations.pot

@@ -159,6 +159,9 @@ msgstr ""
 msgid "Crop Image"
 msgstr ""
 
+msgid "Trim Image"
+msgstr ""
+
 msgid "Resize Canvas"
 msgstr ""
 

project.godot

@@ -643,6 +643,10 @@ crop_image={
 "deadzone": 0.5,
 "events": []
 }
+trim_image={
+"deadzone": 0.5,
+"events": []
+}
 mirror_image={
 "deadzone": 0.5,
 "events": []

src/Autoload/DrawingAlgos.gd

@@ -456,8 +456,6 @@ func color_distance(c1: Color, c2: Color) -> float:
 
 
 # Image effects
-
-
 func scale_image(width: int, height: int, interpolation: int) -> void:
 	general_do_scale(width, height)
 
@@ -519,7 +517,27 @@ func center(indices: Array) -> void:
 	project.undo_redo.commit_action()
 
 
+## Sets the size of the project to be the same as the size of the active selection.
 func crop_image() -> void:
+	if not Global.current_project.has_selection:
+		return
+	Global.canvas.selection.transform_content_confirm()
+	var rect: Rect2i = Global.canvas.selection.big_bounding_rectangle
+	general_do_scale(rect.size.x, rect.size.y)
+	# Loop through all the cels to crop them
+	for f in Global.current_project.frames:
+		for cel in f.cels:
+			if not cel is PixelCel:
+				continue
+			var sprite := cel.get_image().get_region(rect)
+			Global.undo_redo_compress_images({cel.image: sprite.data}, {cel.image: cel.image.data})
+
+	general_undo_scale()
+
+
+## Automatically makes the project smaller by looping through all of the cels and
+## trimming out the pixels that are transparent in all cels.
+func trim_image() -> void:
 	Global.canvas.selection.transform_content_confirm()
 	var used_rect := Rect2i()
 	for f in Global.current_project.frames:
@@ -542,7 +560,7 @@ func crop_image() -> void:
 	var width := used_rect.size.x
 	var height := used_rect.size.y
 	general_do_scale(width, height)
-	# Loop through all the cels to crop them
+	# Loop through all the cels to trim them
 	for f in Global.current_project.frames:
 		for cel in f.cels:
 			if not cel is PixelCel:

src/Autoload/Global.gd

@@ -45,6 +45,7 @@ enum ImageMenu {
 	OFFSET_IMAGE,
 	SCALE_IMAGE,
 	CROP_IMAGE,
+	TRIM_IMAGE,
 	FLIP,
 	ROTATE,
 	OUTLINE,
@@ -564,6 +565,7 @@ func _initialize_keychain() -> void:
 		"preferences": Keychain.InputAction.new("", "Edit menu", true),
 		"scale_image": Keychain.InputAction.new("", "Image menu", true),
 		"crop_image": Keychain.InputAction.new("", "Image menu", true),
+		"trim_image": Keychain.InputAction.new("", "Image menu", true),
 		"resize_canvas": Keychain.InputAction.new("", "Image menu", true),
 		"offset_image": Keychain.InputAction.new("", "Image menu", true),
 		"mirror_image": Keychain.InputAction.new("", "Image menu", true),

src/Classes/Project.gd

@@ -175,8 +175,10 @@ func selection_map_changed() -> void:
 	if has_selection:
 		image_texture = ImageTexture.create_from_image(selection_map)
 	Global.canvas.selection.marching_ants_outline.texture = image_texture
-	var edit_menu_popup: PopupMenu = Global.top_menu_container.edit_menu
+	Global.top_menu_container.edit_menu.set_item_disabled(Global.EditMenu.NEW_BRUSH, !has_selection)
-	edit_menu_popup.set_item_disabled(Global.EditMenu.NEW_BRUSH, !has_selection)
+	Global.top_menu_container.image_menu.set_item_disabled(
+		Global.ImageMenu.CROP_IMAGE, !has_selection
+	)
 
 
 func change_project() -> void:

src/UI/TopMenuContainer/TopMenuContainer.gd

@@ -279,6 +279,7 @@ func _setup_image_menu() -> void:
 		"Offset Image": "offset_image",
 		"Scale Image": "scale_image",
 		"Crop Image": "crop_image",
+		"Trim Image": "trim_image",
 		"Mirror Image": "mirror_image",
 		"Rotate Image": "rotate_image",
 		"Outline": "outline",
@@ -295,7 +296,7 @@ func _setup_image_menu() -> void:
 	for item in image_menu_items:
 		_set_menu_shortcut(image_menu_items[item], image_menu, i, item)
 		i += 1
-
+	image_menu.set_item_disabled(Global.ImageMenu.CROP_IMAGE, true)
 	image_menu.id_pressed.connect(image_menu_id_pressed)
 
 
@@ -679,46 +680,34 @@ func image_menu_id_pressed(id: int) -> void:
 	match id:
 		Global.ImageMenu.SCALE_IMAGE:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/ScaleImage"))
-
 		Global.ImageMenu.OFFSET_IMAGE:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/OffsetImage"))
-
 		Global.ImageMenu.CROP_IMAGE:
 			DrawingAlgos.crop_image()
-
+		Global.ImageMenu.TRIM_IMAGE:
+			DrawingAlgos.trim_image()
 		Global.ImageMenu.RESIZE_CANVAS:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/ResizeCanvas"))
-
 		Global.ImageMenu.FLIP:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/FlipImageDialog"))
-
 		Global.ImageMenu.ROTATE:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/RotateImage"))
-
 		Global.ImageMenu.INVERT_COLORS:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/InvertColorsDialog"))
-
 		Global.ImageMenu.DESATURATION:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/DesaturateDialog"))
-
 		Global.ImageMenu.OUTLINE:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/OutlineDialog"))
-
 		Global.ImageMenu.DROP_SHADOW:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/DropShadowDialog"))
-
 		Global.ImageMenu.HSV:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/HSVDialog"))
-
 		Global.ImageMenu.GRADIENT:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/GradientDialog"))
-
 		Global.ImageMenu.GRADIENT_MAP:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/GradientMapDialog"))
-
 		Global.ImageMenu.POSTERIZE:
 			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/Posterize"))
-
 #		Global.ImageMenu.SHADER:
 #			_popup_dialog(Global.control.get_node("Dialogs/ImageEffects/ShaderEffect"))
 

src/UI/UI.tscn

@@ -310,11 +310,12 @@ camera_path = NodePath("SubViewport/Camera2D")
 [node name="SubViewport" type="SubViewport" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer"]
 handle_input_locally = false
 canvas_item_default_texture_filter = 0
-size = Vector2i(867, 513)
+size = Vector2i(2, 2)
 render_target_update_mode = 4
 
 [node name="TransparentChecker" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport" instance=ExtResource("5")]
 material = SubResource("2")
+anchors_preset = 0
 
 [node name="Canvas" parent="DockableContainer/Main Canvas/ViewportandVerticalRuler/SubViewportContainer/SubViewport" instance=ExtResource("19")]
 
@@ -350,6 +351,7 @@ render_target_update_mode = 0
 
 [node name="TransparentChecker" parent="DockableContainer/Second Canvas/SubViewport" instance=ExtResource("5")]
 material = SubResource("3")
+anchors_preset = 0
 
 [node name="CanvasPreview" parent="DockableContainer/Second Canvas/SubViewport" instance=ExtResource("2")]