def __init__(self):
# ID OF THE NODE
GeneralNode.id_counter += 1
self.id = GeneralNode.id_counter
# BASIC NODE PROPERTIES
self.extra_header = 0
self.widget = None
self.max_streams = 16
self.is_selected = False
# STREAMS
self.stream_count = 0
self.streams = []
# GRAPHICS OF THE NODE
QtWidgets.QGraphicsPathItem.__init__(self)
self.setFlags(QtWidgets.QGraphicsPathItem.ItemIsMovable)
self.id_text = QtWidgets.QGraphicsSimpleTextItem(parent=self)
self.proxy_add_btn = QtWidgets.QGraphicsProxyWidget(parent=self)
self.proxy_remove_btn = QtWidgets.QGraphicsProxyWidget(parent=self)
self.marquee = QtWidgets.QGraphicsPathItem(parent=self)
# SETUP
self.setup_node()
self.add_stream()
self.setup_widget()
def setup_node(self):
if self.stream_class:
self.extra_header = 30
self.widget = self.stream_class(parent=None)
# BASIC SHAPE
self.reconstruct_shape()
self.setPen(QtGui.QPen(QtCore.Qt.black))
# NODE NAME
class_text = QtWidgets.QGraphicsSimpleTextItem(self.node_class, parent=self)
node_class_font = QtGui.QFont('arial', 12)
node_class_font.setUnderline(True)
class_text.setFont(node_class_font)
class_text.setPos(8, 6)
# NODE WIDGET
if self.stream_class:
self.widget.setFixedSize(self.node_width - 10, HEADER_HEIGHT - 6)
proxy = QtWidgets.QGraphicsProxyWidget(parent=self)
proxy.setWidget(self.widget)
proxy.moveBy(5, HEADER_HEIGHT + 3)
proxy.setZValue(20)
# HELP
help_btn = QtWidgets.QPushButton(parent=None)
help_btn.setFixedSize(16, 16)
help_btn.setText('i')
help_btn.setFont(QtGui.QFont('Monotype Corsiva', 10))
help_btn.clicked.connect(self.show_help)
proxy = QtWidgets.QGraphicsProxyWidget(parent=self)
proxy.setWidget(help_btn)
proxy.moveBy(self.node_width - 25, 7)
# NODE ID
self.id_text.setText('ID: {}'.format(self.id))
node_id_font = QtGui.QFont('arial', 8)
self.id_text.setFont(node_id_font)
# ADD / DELETE STREAMS BUTTONS
add_btn = QtWidgets.QPushButton(parent=None)
add_btn.setFixedSize(16, 16)
add_btn.setText('+')
add_btn.setStyleSheet('color:lime')
add_btn.setFont(QtGui.QFont('Impact', 11))
add_btn.clicked.connect(self.add_stream)
self.proxy_add_btn.setWidget(add_btn)
remove_btn = QtWidgets.QPushButton(parent=None)
remove_btn.setFixedSize(16, 16)
remove_btn.setText('-')
remove_btn.setStyleSheet('color:red')
remove_btn.setFont(QtGui.QFont('Impact', 11))
remove_btn.clicked.connect(self.remove_stream)
self.proxy_remove_btn.setWidget(remove_btn)
def createItem(minimum, preferred, maximum, name):
w = QtWidgets.QGraphicsProxyWidget()
w.setWidget(QtWidgets.QPushButton(name))
w.setMinimumSize(minimum)
w.setPreferredSize(preferred)
w.setMaximumSize(maximum)
w.setSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
return w
def __init__(self, label, pen, brush, *params):
super().__init__(*params)
self.setPen(pen)
self.setBrush(brush)
self.label = label
wlabel = QtWidgets.QLabel(label)
wlabel.setAttribute(QtCore.Qt.WA_TranslucentBackground, True)
wlabel.setStyleSheet(
"color : black; font-weight: bold; font-size: 30px; ")
wlabel.setAlignment(QtCore.Qt.AlignCenter)
proxy = QtWidgets.QGraphicsProxyWidget(self)
proxy.setWidget(wlabel)
proxy.setPos(self.boundingRect().center() - wlabel.rect().center())
self.setFlag(QtWidgets.QGraphicsItem.ItemIsMovable)
self.connections = []
def initilizeComponent(self):
self.grapvw_sceneImage=VAT_QGraphicsView(self.wgt_sceneImage)
self.grapvw_sceneImage.setEnabled(True)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.wgt_sceneImage.sizePolicy().hasHeightForWidth())
self.grapvw_sceneImage.setSizePolicy(sizePolicy)
self.grapvw_sceneImage.setMinimumSize(QtCore.QSize(650, 400))
self.grapvw_sceneImage.setInteractive(True)
self.lyt_sceneImage.addWidget(self.grapvw_sceneImage)
self.grapvw_sceneImage.toggleDragMode()
#canvas.begin
from matplotlib.backends.backend_qt5agg import FigureCanvas
from matplotlib.figure import Figure
self.graphicsview = QtWidgets.QGraphicsView()
self.scene = QtWidgets.QGraphicsScene(self.graphicsview)
self.graphicsview.setScene(self.scene)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
#sizePolicy.setHeightForWidth(self.wgt_channelsImageHistograms.sizePolicy().hasHeightForWidth())
self.graphicsview.setSizePolicy(sizePolicy)
#self.wgt_histogram= QtWidgets.QWidget(self)
self.canvas = FigureCanvas(Figure(figsize=(5,3),tight_layout=True))
#self.canvas.figure.tight_layout()
#vertical_layout = QVBoxLayout()
#vertical_layout.addWidget(self.canvas)
self.canvas.sumbu1 = self.canvas.figure.add_subplot(111)
#self.canvas.figure.set_facecolor("xkcd:wheat")
#self.canvas.sumbu1.set_title('Histogram')
self.canvas.figure.subplots_adjust(top=250)
self.canvas.figure.subplots_adjust(left=0.1, right=0.9, top=0.9, bottom=0.1)
#self.wgt_histogram.setLayout(vertical_layout)
self.proxy = QtWidgets.QGraphicsProxyWidget()
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.wgt_channelsImageHistograms.sizePolicy().hasHeightForWidth())
self.proxy.setSizePolicy(sizePolicy)
self.proxy.setWidget(self.canvas)
self.proxy.setTransformOriginPoint(self.proxy.boundingRect().center())
self.proxy.setRotation(270)
self.scene.addItem(self.proxy)
self.lyt_channelsImageHistograms.addWidget(self.graphicsview)
#canvas.end
#beginLoad
self.btn_loadImages.clicked.connect(self.btn_loadImages_clicked)
self.lstw_imagesRawList.itemActivated.connect(self.lstw_imagesRawList_itemActivated)
self.sldr_images.valueChanged.connect(self.sldr_images_valueChanged)
self.btn_viewRawImage.clicked.connect(self.btn_viewRawImage_clicked)
#endLoad
#beginChannels
#endChannels
#beginFilter
self.btn_filterRgbToGray.clicked.connect(self.btn_filterRgbToGray_clicked)
#self.sldr_rawImageOpacity.valueChanged.connect(self.sldr_rawImageOpacity_valueChanged)
self.sldr_filteredImageOpacity.valueChanged.connect(self.sldr_filteredImageOpacity_valueChanged)
self.btn_filterHistogramGlobalEqualization.clicked.connect(self.btn_filterHistogramGlobalEqualization_clicked)
#self.btn_filterTest.clicked.connect(self.btn_filterTest_clicked)
#self.btn_filterHistogramLocalEqualization.clicked.connect(self.btn_filterHistogramLocalEqualization_clicked)
self.btn_filterSave.clicked.connect(self.btn_filterSave_clicked)
self.btn_filterSaveAs.clicked.connect(self.btn_filterSaveAs_clicked)
self.btn_filterOtsuBinarization.clicked.connect(self.btn_filterOtsuBinarization_clicked)
self.btn_filterAdaptiveGaussianTreshold.clicked.connect(self.btn_filterAdaptiveGaussianTreshold_clicked)
#endFilter
# self.btn_applyFilters.clicked.connect(self.btn_applyFilters_clicked)
self.sldr_images.setTracking(False)
self.sldr_filteredImageOpacity.setEnabled(False)
self.setWindowTitle("Vascular Graph Tool")
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
# Text edit and button.
edit = QtWidgets.QTextEdit()
edit.setText("asdf lkjha yuoiqwe asd iuaysd u iasyd uiy "
"asdf lkjha yuoiqwe asd iuaysd u iasyd uiy "
"asdf lkjha yuoiqwe asd iuaysd u iasyd uiy "
"asdf lkjha yuoiqwe asd iuaysd u iasyd uiy!")
button = QtWidgets.QPushButton()
buttonProxy = QtWidgets.QGraphicsProxyWidget()
buttonProxy.setWidget(button)
editProxy = QtWidgets.QGraphicsProxyWidget()
editProxy.setWidget(edit)
box = QtWidgets.QGroupBox()
box.setFlat(True)
box.setTitle("Options")
layout2 = QtWidgets.QVBoxLayout()
box.setLayout(layout2)
layout2.addWidget(QtWidgets.QRadioButton("Herring"))
layout2.addWidget(QtWidgets.QRadioButton("Blue Parrot"))
layout2.addWidget(QtWidgets.QRadioButton("Petunias"))
layout2.addStretch()
def testCase(self):
widget = QtWidgets.QGraphicsProxyWidget()
custom = CustomWidget()
custom.setParentItem(widget)
def addRowColList(self, rowColList, rowWise=True, _parent=None, _col=0):
#we can use this to add widgets from a list.
#the list must have the form:
#[row1, row2, row3, ...]
#where each row is either itself a list (in this case we interpret it as columns and call this function recursively),
#or a QGraphicsWidget subclass, in which case we just append it,
#or a QWidget/QLayout subclass, in which case we build a proxy for it and add it
#If an item has a rowspan(colspan) attribute, we use it. (TBD)
colWise = not rowWise
if _parent is None: _parent = self
try:
nrOfRows = len(_parent.rows)
except:
nrOfRows = 0
try:
elems = tuple(iter(rowColList))
except:
#if we are here, we are not a list
if isinstance(rowColList, QtWidgets.QGraphicsWidget):
row = 0 if colWise else nrOfRows + 1
_parent.addItem(rowColList, row=row, col=_col)
rowColList._row = row
if isinstance(rowColList, pg.GraphicsLayout):
row = 0 if colWise else nrOfRows + 1
_parent.addLayout(rowColList, row=row, col=_col)
rowColList._row = row
if isinstance(rowColList, QtWidgets.QWidget):
_parent.addWidget(rowColList)
if isinstance(rowColList, QtWidgets.QLayout):
_parent.addLayout(rowColList)
return
#if we are here, we can iterate
proxyneededlambda = lambda x: isinstance(
x, QtWidgets.QWidget) or isinstance(x, QtWidgets.QLayout)
proxyneeded = all(proxyneededlambda(x) for x in elems)
if proxyneeded:
P = QtWidgets.QGraphicsProxyWidget()
self.proxys.append(P)
W = QtWidgets.QWidget()
W.setAttribute(QtCore.Qt.WA_TranslucentBackground)
W.setAttribute(QtCore.Qt.WA_NoSystemBackground)
L = QtWidgets.QHBoxLayout() if rowWise else QtWidgets.QVBoxLayout()
L.setSpacing(0)
L.setContentsMargins(0, 0, 0, 0)
W.setLayout(L)
P.setWidget(W)
_parent.addItem(P, row=0 if colWise else nrOfRows + 1, col=_col)
_subparent = L
else:
_subparent = _parent.addLayout(row=0 if colWise else nrOfRows + 1,
col=_col)
for idx, x in enumerate(elems):
col = 0 if colWise else idx
self.addRowColList(x,
rowWise=not rowWise,
_parent=_subparent,
_col=col)
if proxyneeded:
_subparent.addItem(
QtWidgets.QSpacerItem(10, 10, QtWidgets.QSizePolicy.Expanding,
QtWidgets.QSizePolicy.Expanding))
