def adjust_thresholds_callback():
dlg = RGBALayerDialog(menu.parent())
dlg.setLayername(layer.name)
if layer.datasources[0] == None:
dlg.showRedThresholds(False)
if layer.datasources[1] == None:
dlg.showGreenThresholds(False)
if layer.datasources[2] == None:
dlg.showBlueThresholds(False)
if layer.datasources[3] == None:
dlg.showAlphaThresholds(False)
def dbgPrint(layerIdx, a, b):
layer.set_normalize(layerIdx, (a, b))
print "normalization changed for channel=%d to [%d, %d]" % (layerIdx, a,b)
dlg.redChannelThresholdingWidget.setRange(layer.range[0][0], layer.range[0][1])
dlg.greenChannelThresholdingWidget.setRange(layer.range[1][0], layer.range[1][1])
dlg.blueChannelThresholdingWidget.setRange(layer.range[2][0], layer.range[2][1])
dlg.alphaChannelThresholdingWidget.setRange(layer.range[3][0], layer.range[3][1])
dlg.redChannelThresholdingWidget.setValue(layer.normalize[0][0], layer.normalize[0][1])
dlg.greenChannelThresholdingWidget.setValue(layer.normalize[1][0], layer.normalize[1][1])
dlg.blueChannelThresholdingWidget.setValue(layer.normalize[2][0], layer.normalize[2][1])
dlg.alphaChannelThresholdingWidget.setValue(layer.normalize[3][0], layer.normalize[3][1])
dlg.redChannelThresholdingWidget.valueChanged.connect( partial(dbgPrint, 0))
dlg.greenChannelThresholdingWidget.valueChanged.connect(partial(dbgPrint, 1))
dlg.blueChannelThresholdingWidget.valueChanged.connect( partial(dbgPrint, 2))
dlg.alphaChannelThresholdingWidget.valueChanged.connect(partial(dbgPrint, 3))
dlg.resize(dlg.minimumSize())
dlg.show()