本文整理汇总了Python中AnyQt.QtGui.QIcon.actualSize方法的典型用法代码示例。如果您正苦于以下问题：Python QIcon.actualSize方法的具体用法？Python QIcon.actualSize怎么用？Python QIcon.actualSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AnyQt.QtGui.QIcon的用法示例。
在下文中一共展示了QIcon.actualSize方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: GraphicsIconItem
# 需要导入模块: from AnyQt.QtGui import QIcon [as 别名]
# 或者: from AnyQt.QtGui.QIcon import actualSize [as 别名]
class GraphicsIconItem(QGraphicsItem):
"""
A graphics item displaying an :class:`QIcon`.
"""
def __init__(self, parent=None, icon=None, iconSize=None, **kwargs):
QGraphicsItem.__init__(self, parent, **kwargs)
self.setFlag(QGraphicsItem.ItemUsesExtendedStyleOption, True)
if icon is None:
icon = QIcon()
if iconSize is None:
style = QApplication.instance().style()
size = style.pixelMetric(style.PM_LargeIconSize)
iconSize = QSize(size, size)
self.__transformationMode = Qt.SmoothTransformation
self.__iconSize = QSize(iconSize)
self.__icon = QIcon(icon)
def setIcon(self, icon):
"""
Set the icon (:class:`QIcon`).
"""
if self.__icon != icon:
self.__icon = QIcon(icon)
self.update()
def icon(self):
"""
Return the icon (:class:`QIcon`).
"""
return QIcon(self.__icon)
def setIconSize(self, size):
"""
Set the icon (and this item's) size (:class:`QSize`).
"""
if self.__iconSize != size:
self.prepareGeometryChange()
self.__iconSize = QSize(size)
self.update()
def iconSize(self):
"""
Return the icon size (:class:`QSize`).
"""
return QSize(self.__iconSize)
def setTransformationMode(self, mode):
"""
Set pixmap transformation mode. (`Qt.SmoothTransformation` or
`Qt.FastTransformation`).
"""
if self.__transformationMode != mode:
self.__transformationMode = mode
self.update()
def transformationMode(self):
"""
Return the pixmap transformation mode.
"""
return self.__transformationMode
def boundingRect(self):
return QRectF(0, 0, self.__iconSize.width(), self.__iconSize.height())
def paint(self, painter, option, widget=None):
if not self.__icon.isNull():
if option.state & QStyle.State_Selected:
mode = QIcon.Selected
elif option.state & QStyle.State_Enabled:
mode = QIcon.Normal
elif option.state & QStyle.State_Active:
mode = QIcon.Active
else:
mode = QIcon.Disabled
transform = self.sceneTransform()
if widget is not None:
# 'widget' is the QGraphicsView.viewport()
view = widget.parent()
if isinstance(view, QGraphicsView):
# Combine the scene transform with the view transform.
view_transform = view.transform()
transform = view_transform * view_transform
lod = option.levelOfDetailFromTransform(transform)
w, h = self.__iconSize.width(), self.__iconSize.height()
target = QRectF(0, 0, w, h)
source = QRectF(0, 0, w * lod, w * lod).toRect()
# The actual size of the requested pixmap can be smaller.
size = self.__icon.actualSize(source.size(), mode=mode)
source.setSize(size)
#.........这里部分代码省略.........