Add basic parsing of PROP_LOCK_VISIBILITY (required for new test files)

Author: willstott101

gimpformats/GimpIOBase.py

@@ -67,6 +67,7 @@ def __init__(self, parent: Any = None) -> None:
 		self.isGroup = None
 		self.groupItemFlags: int = 0
 		self.positionLocked: bool = False
+		self.visibilityLocked: bool = False
 		self.opacity: float = 1.0
 		self.colorTag: TagColor = TagColor.Blue
 		self.compositeMode: CompositeMode = CompositeMode.Union
@@ -320,6 +321,8 @@ def _propertyDecode(self, prop: int, data: bytearray) -> int:
 			self.groupItemFlags = ioBuf.u32
 		elif _prop_cmp(prop, AllProps.PROP_LOCK_POSITION):
 			self.positionLocked = ioBuf.boolean
+		elif _prop_cmp(prop, AllProps.PROP_LOCK_VISIBILITY):
+			self.visibilityLocked = ioBuf.boolean
 		elif _prop_cmp(prop, AllProps.PROP_FLOAT_OPACITY):
 			self.opacity = ioBuf.float32
 		elif _prop_cmp(prop, AllProps.PROP_COLOR_TAG):
@@ -479,6 +482,9 @@ def _propertyEncode(self, prop: int) -> bytearray:
 		elif _prop_cmp(prop, AllProps.PROP_LOCK_POSITION):
 			if self.positionLocked is not None and self.positionLocked:
 				ioBuf.boolean = self.positionLocked
+		elif _prop_cmp(prop, AllProps.PROP_LOCK_VISIBILITY):
+			if self.visibilityLocked is not None and self.visibilityLocked:
+				ioBuf.boolean = self.visibilityLocked
 		elif _prop_cmp(prop, AllProps.PROP_FLOAT_OPACITY):
 			if self.opacity is not None and isinstance(self.opacity, float):
 				ioBuf.float32 = self.opacity

gimpformats/enums.py

@@ -151,7 +151,7 @@ class GeneralProperties(Enum):
 	PROP_VISIBLE = 8
 	PROP_TATTOO = 20
 	# PROP_ITEM_SET_ITEM = 41
-	# PROP_LOCK_VISIBILITY = 42
+	PROP_LOCK_VISIBILITY = 42
 
 
 class ImageProperties(Enum):