def autoscale(self, flag):
self._autoscale = bool(flag)
if self._autoscale:
self.fitInView()
else:
self.setTransform(QtGui.QTransform())
self.update()
def openfile(self):
self.scene.clear()
self.graphicsview.setTransform(QtGui.QTransform())
filename = QtWidgets.QFileDialog.getOpenFileName()
if filename:
pixmap = QtGui.QPixmap(filename)
item = self.scene.addPixmap(pixmap)
self.scene.setSceneRect(item.boundingRect())
def _setupViewActions(self):
style = self.style()
actions = QtWidgets.QActionGroup(self)
icon = style.standardIcon(QtWidgets.QStyle.SP_DialogResetButton)
QtWidgets.QAction(icon,
self.tr('Reset'),
actions,
objectName='resetAction',
statusTip=self.tr('Reset'),
triggered=self.onReset)
QtWidgets.QAction(actions).setSeparator(True)
icon = QtGui.QIcon(
':/trolltech/dialogs/qprintpreviewdialog/images/zoom-in-32.png')
QtWidgets.QAction(icon,
self.tr('Zoom In'),
actions,
objectName='zoomInAction',
statusTip=self.tr('Zoom In'),
shortcut=self.tr('Ctrl++'),
triggered=lambda: self.graphicsview.scale(1.2, 1.2))
icon = QtGui.QIcon(
':/trolltech/dialogs/qprintpreviewdialog/images/zoom-out-32.png')
QtWidgets.QAction(
icon,
self.tr('Zoom Out'),
actions,
objectName='zoomOutAction',
statusTip=self.tr('Zoom Out'),
shortcut=self.tr('Ctrl+-'),
triggered=lambda: self.graphicsview.scale(1 / 1.2, 1 / 1.2))
icon = QtGui.QIcon(
':/trolltech/dialogs/qprintpreviewdialog/images/page-setup-24.png')
QtWidgets.QAction(icon,
self.tr('Zoom 1:1'),
actions,
objectName='zoomResetAction',
statusTip=self.tr('Zoom 1:1'),
triggered=lambda: self.graphicsview.setTransform(
QtGui.QTransform(1, 0, 0, -1, 0, 0)))
icon = QtGui.QIcon(
':/trolltech/dialogs/qprintpreviewdialog/images/fit-page-32.png')
QtWidgets.QAction(
icon,
self.tr('Zoom Fit'),
actions,
objectName='zoomFitAction',
statusTip=self.tr('Zoom Fit'),
#checkable=True,
triggered=lambda: self.graphicsview.fitInView(
self.graphicsview.sceneRect(), QtCore.Qt.KeepAspectRatio))
return actions
def setWorldmapItem(self, resolution='low'):
scene = self.graphicsview.scene()
if self.worldmapitem is not None:
scene.removeItem(self.worldmapitem)
#~ imgfile = qt4support.geticonfile('world_2160x1080.jpg', __name__)
imgfile = qtsupport.geticonfile('world_4320x2160.jpg', __name__)
#~ imgfile = qt4support.geticonfile('world_5400x2700.jpg', __name__)
worldmap = QtGui.QPixmap(imgfile)
worldmapitem = scene.addPixmap(worldmap)
worldmapitem.setTransformationMode(QtCore.Qt.SmoothTransformation)
# @NOTE: reverse the y axis
worldmapitem.setTransform(
QtGui.QTransform(360. / worldmap.width(), 0,
0, -180. / worldmap.height(),
-180, 90))
self.worldmapitem = worldmapitem
def reset(self):
self.scene.clear()
self.scene.setSceneRect(0, 0, 800, 600)
self.graphicsview.setTransform(QtGui.QTransform())
def zoom100(self):
view = self.currentview()
if view:
view.setTransform(QtGui.QTransform())