QPixmapCache.Key¶
The
Key
class can be used for efficient access to theQPixmapCache
. More…
Detailed Description¶
Use
insert()
to receive an instance of Key generated by the pixmap cache. You can store the key in your own objects for a very efficient one-to-one object-to-pixmap mapping.
-
class
PySide2.QtGui.QPixmapCache.
Key
¶ PySide2.QtGui.QPixmapCache.Key(other)
- param other
Key
Constructs an empty Key object.
-
PySide2.QtGui.QPixmapCache.Key.
isValid
()¶ - Return type
bool
Returns
true
if there is a cached pixmap associated with this key. Otherwise, if pixmap was flushed, the key is no longer valid.
-
PySide2.QtGui.QPixmapCache.Key.
__ne__
(key)¶ - Parameters
key –
Key
- Return type
bool
-
PySide2.QtGui.QPixmapCache.Key.
__eq__
(key)¶ - Parameters
key –
Key
- Return type
bool
Returns
true
if this key is the same as the givenkey
; otherwise returns false.
-
PySide2.QtGui.QPixmapCache.Key.
swap
(other)¶ - Parameters
other –
Key
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