class CanvasWidget(QtGui.QWidget):
def __init__(self):
QtGui.QWidget.__init__(self)
self.lay = QtGui.QGridLayout()
self.lay.setSpacing(0)
self.setLayout(self.lay)
self.addBtn = QtGui.QPushButton('Add Image')
self.clearBtn = QtGui.QPushButton('Clear Images')
self.autoBtn = QtGui.QPushButton('Auto Range')
self.canvas = Canvas()
self.lay.addWidget(self.addBtn, 0, 0)
self.lay.addWidget(self.clearBtn, 0, 1)
self.lay.addWidget(self.autoBtn, 0, 2)
self.lay.addWidget(self.canvas, 1, 0, 1, 3)
self.imageItems = []
self.z = -1000
self.canvas.view.setRange(QtCore.QRectF(-0.01, -0.01, 0.02, 0.02))
self.connect(self.addBtn, QtCore.SIGNAL('clicked()'), self.addImage)
self.connect(self.clearBtn, QtCore.SIGNAL('clicked()'), self.clearImages)
self.connect(self.autoBtn, QtCore.SIGNAL('clicked()'), self.autoRange)
def autoRange(self):
bounds = self.imageItems[0].sceneBoundingRect()
self.canvas.view.setRange(bounds)
def addItem(self, *args, **kargs):
return self.canvas.addItem(*args, **kargs)
def addImage(self):
fd = getManager().currentFile
img = fd.read()
if 'imagePosition' in fd.info():
ps = fd.info()['pixelSize']
pos = fd.info()['imagePosition']
else:
info = img.infoCopy()[-1]
ps = info['pixelSize']
pos = info['imagePosition']
img = img.view(ndarray)
if img.ndim == 3:
img = img.max(axis=0)
#print pos, ps, img.shape, img.dtype, img.max(), img.min()
item = ImageItem(img)
self.canvas.addItem(item, pos, scale=ps, z=self.z, name=fd.shortName())
self.z += 1
self.imageItems.append(item)
def clearImages(self):
for item in self.imageItems:
self.canvas.removeItem(item)
self.imageItems = []
def makeObject(self, host):
typ = self.type()
args = self.args()
if typ == 'plot':
obj = pg.PlotWidget(name=self.name(), **args)
elif typ == 'imageView':
obj = pg.ImageView(**args)
elif typ == 'canvas':
obj = Canvas.Canvas(**args)
elif typ == 'fileInput':
obj = FileLoader.FileLoader(host.dataManager(), **args)
#elif typ == 'database':
#obj = DatabaseGui.DatabaseGui(host.dataManager(), **args)
elif typ == 'table':
obj = pg.TableWidget(**args)
elif typ == 'dataTree':
obj = pg.DataTreeWidget(**args)
elif typ == 'parameterTree':
obj = pg.parametertree.ParameterTree(**args)
elif typ == 'graphicsView':
obj = pg.GraphicsView(**args)
elif typ == 'graphicsLayout':
obj = pg.GraphicsLayoutWidget(**args)
elif typ == 'viewBox':
obj = pg.GraphicsView()
obj.setCentralItem(pg.ViewBox(**args))
else:
raise Exception(
"Cannot automatically create element '%s' (type=%s)" %
(self.name, typ))
#self.setObject(obj) ## handled indirectly..
return obj
def canvasItem(self):
if self._canvasItem is None:
self._canvasItem = Canvas.ScanCanvasItem(handle=self.source(), subDirs=self.dirHandles, name=self.itemName)
self._canvasItem.graphicsItem().scan = self ## mark the graphicsItem so that we can trace back to here when it is clicked
self._canvasItem.sigVisibilityChanged.connect(self.itemVisibilityChanged)
self.item = self._canvasItem.graphicsItem() ## graphics item
return self._canvasItem
def __init__(self):
Qt.QWidget.__init__(self)
self.lay = Qt.QGridLayout()
self.lay.setSpacing(0)
self.setLayout(self.lay)
self.addBtn = Qt.QPushButton('Add Image')
self.clearBtn = Qt.QPushButton('Clear Images')
self.autoBtn = Qt.QPushButton('Auto Range')
self.canvas = Canvas()
self.lay.addWidget(self.addBtn, 0, 0)
self.lay.addWidget(self.clearBtn, 0, 1)
self.lay.addWidget(self.autoBtn, 0, 2)
self.lay.addWidget(self.canvas, 1, 0, 1, 3)
self.imageItems = []
self.z = -1000
self.canvas.view.setRange(Qt.QRectF(-0.01, -0.01, 0.02, 0.02))
self.connect(self.addBtn, Qt.SIGNAL('clicked()'), self.addImage)
self.connect(self.clearBtn, Qt.SIGNAL('clicked()'), self.clearImages)
self.connect(self.autoBtn, Qt.SIGNAL('clicked()'), self.autoRange)
def __init__(self):
QtGui.QWidget.__init__(self)
self.lay = QtGui.QGridLayout()
self.lay.setSpacing(0)
self.setLayout(self.lay)
self.addBtn = QtGui.QPushButton('Add Image')
self.clearBtn = QtGui.QPushButton('Clear Images')
self.autoBtn = QtGui.QPushButton('Auto Range')
self.canvas = Canvas()
self.lay.addWidget(self.addBtn, 0, 0)
self.lay.addWidget(self.clearBtn, 0, 1)
self.lay.addWidget(self.autoBtn, 0, 2)
self.lay.addWidget(self.canvas, 1, 0, 1, 3)
self.imageItems = []
self.z = -1000
self.canvas.view.setRange(QtCore.QRectF(-0.01, -0.01, 0.02, 0.02))
self.connect(self.addBtn, QtCore.SIGNAL('clicked()'), self.addImage)
self.connect(self.clearBtn, QtCore.SIGNAL('clicked()'), self.clearImages)
self.connect(self.autoBtn, QtCore.SIGNAL('clicked()'), self.autoRange)
