QPixmapCache.Key ¶

概要 ¶

详细描述 ¶

使用 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

构造空的 Key 对象。

PySide2.QtGui.QPixmapCache.Key. isValid ( ) ¶

返回类型

bool

返回 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 Otherwise, if pixmap was flushed, the key is no longer valid.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 ) ¶

参数

key – Key

返回类型

bool

PySide2.QtGui.QPixmapCache.Key. __eq__ ( key ) ¶

参数

key – Key

返回类型

bool

返回 true if this key is the same as the given key ；否则返回 false。

PySide2.QtGui.QPixmapCache.Key. swap ( other ) ¶

参数

other – Key