def __init__(self, *args, **kwargs):
QtGui.QWidget.__init__(self)
# variable that handles the manipulation of the spectrogram
# create, recompute etc
self.specgramHandler = Spectrogram()
# create the histogram widget
self.imageItem = ImageItem()
self.__histogram = HorizontalHistogramWidget()
self.__histogram.item.setImageItem(self.imageItem)
# internal vieBox for image graph
self.viewBox = ViewBox()
self.viewBox.addItem(self.imageItem)
self.viewBox.setMouseEnabled(x=False, y=False)
self.viewBox.setMenuEnabled(False)
self.viewBox.setAspectLocked(False)
# set the X and Y axis for the graph
self.xAxis = OscXAxis(self, orientation='bottom')
self.yAxis = SpecYAxis(self, orientation='left')
self.xAxis.linkToView(self.viewBox)
self.yAxis.linkToView(self.viewBox)
self.xAxis.setGrid(self.AXIS_LINES_OPACITY)
self.yAxis.setGrid(self.AXIS_LINES_OPACITY)
# adjust the graph zone in the control
horizontal_histogram = kwargs[
"horizontal_histogram"] if "horizontal_histogram" in kwargs else True
visible_histogram = kwargs[
"visible_histogram"] if "visible_histogram" in kwargs else False
self.__updateLayout(histogramHorizontal=(
horizontal_histogram if visible_histogram else None))
def __init__(self, parent=None, allowTransforms=True, hideCtrl=False, name=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
#self.view = self.ui.view
self.view = ViewBox()
self.ui.view.setCentralItem(self.view)
self.itemList = self.ui.itemList
self.itemList.setSelectionMode(self.itemList.ExtendedSelection)
self.allowTransforms = allowTransforms
self.multiSelectBox = SelectBox()
self.view.addItem(self.multiSelectBox)
self.multiSelectBox.hide()
self.multiSelectBox.setZValue(1e6)
self.ui.mirrorSelectionBtn.hide()
self.ui.reflectSelectionBtn.hide()
self.ui.resetTransformsBtn.hide()
self.redirect = None ## which canvas to redirect items to
self.items = []
#self.view.enableMouse()
self.view.setAspectLocked(True)
self.view.invertY()
grid = GridItem()
self.grid = CanvasItem(grid, name='Grid', movable=False)
self.addItem(self.grid)
self.hideBtn = QtGui.QPushButton('>', self)
self.hideBtn.setFixedWidth(20)
self.hideBtn.setFixedHeight(20)
self.ctrlSize = 200
self.sizeApplied = False
self.hideBtn.clicked.connect(self.hideBtnClicked)
self.ui.splitter.splitterMoved.connect(self.splitterMoved)
self.ui.itemList.itemChanged.connect(self.treeItemChanged)
self.ui.itemList.sigItemMoved.connect(self.treeItemMoved)
self.ui.itemList.itemSelectionChanged.connect(self.treeItemSelected)
self.ui.autoRangeBtn.clicked.connect(self.autoRange)
self.ui.storeSvgBtn.clicked.connect(self.storeSvg)
self.ui.storePngBtn.clicked.connect(self.storePng)
self.ui.redirectCheck.toggled.connect(self.updateRedirect)
self.ui.redirectCombo.currentIndexChanged.connect(self.updateRedirect)
self.multiSelectBox.sigRegionChanged.connect(self.multiSelectBoxChanged)
self.multiSelectBox.sigRegionChangeFinished.connect(self.multiSelectBoxChangeFinished)
self.ui.mirrorSelectionBtn.clicked.connect(self.mirrorSelectionClicked)
self.ui.reflectSelectionBtn.clicked.connect(self.reflectSelectionClicked)
self.ui.resetTransformsBtn.clicked.connect(self.resetTransformsClicked)
self.resizeEvent()
if hideCtrl:
self.hideBtnClicked()
if name is not None:
self.registeredName = CanvasManager.instance().registerCanvas(self, name)
self.ui.redirectCombo.setHostName(self.registeredName)
def __init__(self, image=None, fillHistogram=True):
"""
If *image* (ImageItem) is provided, then the control will be automatically linked
to the image and changes to the control will be immediately reflected in the image's appearance.
By default, the histogram is rendered with a fill. For performance, set *fillHistogram* = False.
"""
HistogramLUTItem.__init__(self, image, fillHistogram)
self.layout = QtGui.QGraphicsGridLayout()
self.layout.setContentsMargins(1, 1, 1, 1)
self.layout.setSpacing(0)
# the viewbox in which would be displayed the histogram
# get a new and descriptive name for the view box
self.view_boxHistogram = self.vb
self.view_boxHistogram = ViewBox()
self.view_boxHistogram.setMaximumHeight(self.HISTOGRAM_MAX_HEIGHT)
self.view_boxHistogram.setMinimumHeight(self.HISTOGRAM_MIN_HEIGHT)
self.view_boxHistogram.setMouseEnabled(x=False, y=False)
# set defaults gradient position and color bar
self.gradient.setOrientation('bottom')
self.gradient.loadPreset('thermal')
# todo remove this parche the region of threshold selection
self.region.setVisible(False)
self._region = LinearRegionItem(values=[-40, 0], orientation=LinearRegionItem.Vertical)
self.view_boxHistogram.addItem(self._region)
self.axis = AxisItem('top', linkView=self.view_boxHistogram, maxTickLength=-10, showValues=False)
self.layout.addItem(self.axis, 0, 0)
self.layout.addItem(self.view_boxHistogram, 1, 0)
self.layout.addItem(self.gradient, 2, 0)
self.gradient.setFlag(self.gradient.ItemStacksBehindParent)
self.view_boxHistogram.setFlag(self.gradient.ItemStacksBehindParent)
self.plot = PlotDataItem()
self.fillHistogram(fillHistogram)
self.view_boxHistogram.addItem(self.plot)
self.autoHistogramRange()
# set the fixed range of visualization
self.view_boxHistogram.setXRange(-120, 5)
self._region.setBounds((-120, 5))
y_range = self.view_boxHistogram.viewRange()[1]
# the minThresholdLabel and maxThresholdLabel labels
self.minThresholdLabel = pg.TextItem(self.tr(u'Min'), color=(255, 255, 255), anchor=(1, 0.5))
self.view_boxHistogram.addItem(self.minThresholdLabel)
self.maxThresholdLabel = pg.TextItem(self.tr(u'Max'), color=(255, 255, 255), anchor=(0, 0.5))
self.view_boxHistogram.addItem(self.maxThresholdLabel)
self.gradient.sigGradientChanged.connect(self.gradientChanged)
self._region.sigRegionChanged.connect(self.regionChanging)
self._region.sigRegionChangeFinished.connect(self.regionChanged)
labels_ypos = self.view_boxHistogram.viewRange()[1][1] * 0.7
self.maxThresholdLabel.setPos(self._region.getRegion()[1], labels_ypos)
self.minThresholdLabel.setPos(self._region.getRegion()[0], labels_ypos)
# update the tooltips and position of the limit labels
self._region.sigRegionChangeFinished.connect(
lambda: self.maxThresholdLabel.setToolTip(self.tr(u'Max Threshold') + u": " +
unicode(round(self._region.getRegion()[1],
self.DECIMAL_PLACES))))
self._region.sigRegionChangeFinished.connect(
lambda: self.minThresholdLabel.setToolTip(self.tr(u'Min Threshold') + u": " +
unicode(round(self._region.getRegion()[0],
self.DECIMAL_PLACES))))
# set the y position of the labels to the 70% of the visible y range of the viewbox
self._region.sigRegionChanged.connect(
lambda: self.maxThresholdLabel.setPos(self._region.getRegion()[1],
self.view_boxHistogram.viewRange()[1][1] * 0.7))
self._region.sigRegionChanged.connect(
lambda: self.minThresholdLabel.setPos(self._region.getRegion()[0],
self.view_boxHistogram.viewRange()[1][1] * 0.7))
if image is not None:
self.setImageItem(image)
self.setLayout(self.layout)
def __init__(self,
image=None,
fillHistogram=True,
orientation='right',
gradients=None):
"""
If *image* (ImageItem) is provided, then the control will be automatically linked to the image and changes to the control will be immediately reflected in the image's appearance.
By default, the histogram is rendered with a fill. For performance, set *fillHistogram* = False.
"""
GraphicsWidget.__init__(self)
self.lut = None
self.imageItem = lambda: None # fake a dead weakref
self.layout = QtGui.QGraphicsGridLayout()
self.setLayout(self.layout)
self.layout.setContentsMargins(1, 1, 1, 1)
self.layout.setSpacing(0)
self.vb = ViewBox(parent=self)
if orientation in ['right', 'left']:
self.vb.setMaximumWidth(150)
self.vb.setMinimumWidth(15)
self.vb.setMouseEnabled(x=False, y=True)
elif orientation in ['bottom', 'top']:
self.vb.setMaximumHeight(150)
self.vb.setMinimumHeight(15)
self.vb.setMouseEnabled(x=True, y=False)
self.orientation = orientation
orientationGEI = orientation
if orientation == 'right':
orientationLRI = 'horizontal'
orientationAI = 'left'
elif orientation == 'left':
orientationLRI = 'horizontal'
orientationAI = 'right'
elif orientation == 'bottom':
orientationLRI = 'vertical'
orientationAI = 'top'
elif orientation == 'top':
orientationLRI = 'vertical'
orientationAI = 'bottom'
self.gradient = GradientEditorItem(gradients=gradients)
self.gradient.setOrientation(orientationGEI)
self.gradient.loadPreset('grey')
self.region = LinearRegionItem([0, 1], orientation=orientationLRI)
self.region.setZValue(1000)
self.vb.addItem(self.region)
self.axis = AxisItem(orientationAI,
linkView=self.vb,
maxTickLength=-10,
parent=self)
if orientation == 'right':
self.layout.addItem(self.axis, 0, 0)
self.layout.addItem(self.vb, 0, 1)
self.layout.addItem(self.gradient, 0, 2)
elif orientation == 'left':
self.layout.addItem(self.gradient, 0, 0)
self.layout.addItem(self.vb, 0, 1)
self.layout.addItem(self.axis, 0, 2)
elif orientation == 'bottom':
self.layout.addItem(self.axis, 0, 0)
self.layout.addItem(self.vb, 1, 0)
self.layout.addItem(self.gradient, 2, 0)
elif orientation == 'top':
self.layout.addItem(self.gradient, 0, 0)
self.layout.addItem(self.vb, 1, 0)
self.layout.addItem(self.axis, 2, 0)
self.range = None
self.gradient.setFlag(self.gradient.ItemStacksBehindParent)
self.vb.setFlag(self.gradient.ItemStacksBehindParent)
#self.grid = GridItem()
#self.vb.addItem(self.grid)
self.gradient.sigGradientChanged.connect(self.gradientChanged)
self.region.sigRegionChanged.connect(self.regionChanging)
self.region.sigRegionChangeFinished.connect(self.regionChanged)
self.vb.sigRangeChanged.connect(self.viewRangeChanged)
self.plot = PlotDataItem()
self.plot.rotate(90)
self.fillHistogram(fillHistogram)
self.vb.addItem(self.plot)
self.autoHistogramRange()
if image is not None:
self.setImageItem(image)
