added pastecut tool

addons/graphics_editor/actions/PasteCut.gd

@@ -0,0 +1,56 @@
+extends GEAction
+class_name GEPasteCut
+
+
+#data[2] = selection_pos
+#data[3] = selection_color
+#data[4] = cut pos
+#data[5] = cut size
+func do_action(canvas, data: Array):
+	.do_action(canvas, data)
+	
+	for pixel_pos in GEUtils.get_pixels_in_line(data[0], data[1]):
+		for idx in range(data[2].size()):
+			var pixel = data[2][idx]
+			var color = data[3][idx]
+			pixel -= data[4] + data[5] / 2
+			pixel += pixel_pos
+			
+			if canvas.get_pixel_v(pixel) == null:
+				continue
+			
+			var found = action_data.redo.cells.find(pixel)
+			if found == -1:
+				action_data.redo.cells.append(pixel)
+				action_data.redo.colors.append(color)
+			else:
+				action_data.redo.colors[found] = color
+			
+			found = action_data.undo.cells.find(pixel)
+			if found == -1:
+				action_data.undo.colors.append(canvas.get_pixel_v(pixel))
+				action_data.undo.cells.append(pixel)
+			
+			canvas.set_pixel_v(pixel, color)
+
+
+func commit_action(canvas):
+	canvas.clear_preview_layer()
+	return []
+
+
+func undo_action(canvas):
+	var cells = action_data.undo.cells
+	var colors = action_data.undo.colors
+	for idx in range(cells.size()):
+		canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])
+
+
+func redo_action(canvas):
+	var cells = action_data.redo.cells
+	var colors = action_data.redo.colors
+	for idx in range(cells.size()):
+		canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])
+
+
+