def __init__(self, *args, thresholds=(0.0, 1.0), **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
form = QFormLayout(
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None, objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self.gradient_cb
)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
slider_low = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(low * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow, pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr("Applying a low threshold will squeeze the "
"gradient from the lower end")
)
slider_high = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(high * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove, pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr("Applying a high threshold will squeeze the "
"gradient from the higher end")
)
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def __init__(self, *args, thresholds=(0.0, 1.0), center=None, **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
self.__center = center
form = QFormLayout(formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None,
objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(QStyle.PM_SmallIconSize, None,
self.gradient_cb)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
if center is not None:
def __on_center_changed():
self.__center = float(self.center_edit.text() or "0")
self.centerChanged.emit(self.__center)
self.center_box = QWidget()
center_layout = QHBoxLayout()
self.center_box.setLayout(center_layout)
width = QFontMetrics(self.font()).boundingRect("9999999").width()
self.center_edit = QLineEdit(text=f"{self.__center}",
maximumWidth=width,
placeholderText="0",
alignment=Qt.AlignRight)
self.center_edit.setValidator(QDoubleValidator())
self.center_edit.editingFinished.connect(__on_center_changed)
center_layout.setContentsMargins(0, 0, 0, 0)
center_layout.addStretch(1)
center_layout.addWidget(QLabel("Centered at"))
center_layout.addWidget(self.center_edit)
self.gradient_cb.currentIndexChanged.connect(
self.__update_center_visibility)
else:
self.center_box = None
slider_low = Slider(objectName="threshold-low-slider",
minimum=0,
maximum=100,
value=int(low * 100),
orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow,
pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr(
"Applying a low threshold will squeeze the "
"gradient from the lower end"))
slider_high = Slider(objectName="threshold-low-slider",
minimum=0,
maximum=100,
value=int(high * 100),
orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove,
pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr(
"Applying a high threshold will squeeze the "
"gradient from the higher end"))
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
if self.center_box:
form.setWidget(1, QFormLayout.SpanningRole, self.center_box)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def __init__(self, *args, thresholds=(0.0, 1.0), center=None, **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
self.__center = center
form = QFormLayout(
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None, objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self.gradient_cb
)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
if center is not None:
def on_center_spin_value_changed(value):
if self.__center != value:
self.__center = value
self.centerChanged.emit(self.__center)
self.center_box = QWidget()
center_layout = QHBoxLayout()
self.center_box.setLayout(center_layout)
self.center_edit = DoubleSpinBox(
value=self.__center,
minimum=DBL_MIN, maximum=DBL_MAX, minimumStep=0.01,
minimumContentsLenght=8,
stepType=DoubleSpinBox.AdaptiveDecimalStepType,
keyboardTracking=False,
sizePolicy=QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
)
self.center_edit.valueChanged.connect(on_center_spin_value_changed)
center_layout.setContentsMargins(0, 0, 0, 0)
center_layout.addStretch(1)
center_layout.addWidget(QLabel("Centered at"))
center_layout.addWidget(self.center_edit)
self.gradient_cb.currentIndexChanged.connect(
self.__update_center_visibility)
else:
self.center_box = None
slider_low = Slider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(low * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow, pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr("Applying a low threshold will squeeze the "
"gradient from the lower end")
)
slider_high = Slider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(high * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove, pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr("Applying a high threshold will squeeze the "
"gradient from the higher end")
)
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
if self.center_box:
form.setWidget(1, QFormLayout.SpanningRole, self.center_box)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
