本文整理汇总了Python中PyQt5.QtWidgets.QSlider.hide方法的典型用法代码示例。如果您正苦于以下问题：Python QSlider.hide方法的具体用法？Python QSlider.hide怎么用？Python QSlider.hide使用的例子？那么恭喜您, 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PyQt5.QtWidgets.QSlider的用法示例。
在下文中一共展示了QSlider.hide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: MultiPageTIFFViewerQt
# 需要导入模块: from PyQt5.QtWidgets import QSlider [as 别名]
# 或者: from PyQt5.QtWidgets.QSlider import hide [as 别名]
#.........这里部分代码省略.........
def loadImageStackFromFile(self, fileName=''):
""" Load an image stack from file.
Without any arguments, loadImageStackFromFile() will popup a file dialog to choose the image file.
With a fileName argument, loadImageStackFromFile(fileName) will attempt to load the specified file directly.
"""
if len(fileName) == 0:
if QT_VERSION_STR[0] == '4':
fileName = QFileDialog.getOpenFileName(self, "Open TIFF stack file.")
elif QT_VERSION_STR[0] == '5':
fileName, dummy = QFileDialog.getOpenFileName(self, "Open TIFF stack file.")
fileName = str(fileName)
if len(fileName) and os.path.isfile(fileName):
self._tiffCaptureHandle = tiffcapture.opentiff(fileName)
self.showFrame(0)
def numFrames(self):
""" Return the number of image frames in the stack.
"""
if self._tiffCaptureHandle is not None:
# !!! tiffcapture has length=0 for a single page TIFF.
# If our handle is valid, we'll assume we have at least one image.
return max([1, self._tiffCaptureHandle.length])
return 0
def getAllFrames(self):
""" Return the entire image stack as a NumPy ndarray.
!!! This currently ONLY works for grayscale image stacks that can be represented as 3D arrays.
!!! For large image stacks this can be time and memory hungry.
"""
if self._tiffCaptureHandle is None:
return None
imageWidth = self._tiffCaptureHandle.shape[0]
imageHeight = self._tiffCaptureHandle.shape[1]
numFrames = self.numFrames()
entireStackArray = np.empty((imageWidth, imageHeight, numFrames))
progress = QProgressDialog(self)
progress.setLabelText("Loading TIFF image stack...")
progress.setRange(0, numFrames)
progress.setValue(0)
progress.setWindowModality(Qt.WindowModal)
progress.show()
for i, frame in enumerate(self._tiffCaptureHandle):
entireStackArray[:,:,i] = frame
progress.setValue(i)
if progress.wasCanceled():
return None
progress.close()
return entireStackArray
def getFrame(self, i=None):
""" Return the i^th image frame as a NumPy ndarray.
If i is None, return the current image frame.
"""
if self._tiffCaptureHandle is None:
return None
if i is None:
i = self.currentFrameIndex
if (i is None) or (i < 0) or (i >= self.numFrames()):
return None
return self._tiffCaptureHandle.find_and_read(i)
def showFrame(self, i=None):
""" Display the i^th frame in the viewer.
Also update the frame slider position and current frame text.
"""
frame = self.getFrame(i)
if frame is None:
return
# Convert frame ndarray to a QImage.
qimage = qimage2ndarray.array2qimage(frame, normalize=True)
self.viewer.setImage(qimage)
self.currentFrameIndex = i
# Update frame slider position (hide frame slider if we only have one image frame).
numFrames = self.numFrames()
if numFrames > 1:
self.frameSlider.setRange(1, numFrames)
self.frameSlider.setValue(i)
self.frameSlider.show()
self.prevFrameButton.show()
self.nextFrameButton.show()
self.currentFrameLabel.setText(str(i+1) + "/" + str(numFrames))
self.currentFrameLabel.show()
else:
self.frameSlider.hide()
self.prevFrameButton.hide()
self.nextFrameButton.hide()
self.currentFrameLabel.hide()
self.frameChanged.emit()
self.frameChanged[int].emit(i)
def prevFrame(self):
""" Show previous frame in stack.
"""
self.showFrame(self.currentFrameIndex - 1)
def nextFrame(self):
""" Show next frame in stack.
"""
self.showFrame(self.currentFrameIndex + 1)