def heightForWidth(self, width, defaultFont=None):
"""
Find the height for a given width
:param float width: Width
:param QFont defaultFont: Font, used for the calculation if the text has no font
:return: Calculated height
"""
if defaultFont is None:
defaultFont = QFont()
font = QFont(self.usedFont(defaultFont), self._desktopwidget)
h = 0
if self.__data.layoutAttributes & self.MinimumLayout:
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
h = self.__data.textEngine.heightForWidth(font,
self.__data.renderFlags,
self.__data.text,
width + left + right)
h -= top + bottom
else:
h = self.__data.textEngine.heightForWidth(font,
self.__data.renderFlags,
self.__data.text, width)
return h
def styleQwtPlot(self,name,elem):
font = QFont()
font.setPixelSize(12)
title = QwtText(name)
title.setFont(font)
elem.setTitle(title)
canvas = elem.canvas()
canvas.setLineWidth(0);
elem.setCanvas(canvas)
def qwtUnscaleFont(painter):
if painter.font().pixelSize() >= 0:
return
screenResolution = qwtScreenResolution()
pd = painter.device()
if pd.logicalDpiX() != screenResolution.width() or\
pd.logicalDpiY() != screenResolution.height():
pixelFont = QFont(painter.font(), QApplication.desktop())
pixelFont.setPixelSize(QFontInfo(pixelFont).pixelSize())
painter.setFont(pixelFont)
def qwtUnscaleFont(painter):
if painter.font().pixelSize() >= 0:
return
screenResolution = qwtScreenResolution()
pd = painter.device()
if pd.logicalDpiX() != screenResolution.width() or\
pd.logicalDpiY() != screenResolution.height():
pixelFont = QFont(painter.font(), QApplication.desktop())
pixelFont.setPixelSize(QFontInfo(pixelFont).pixelSize())
painter.setFont(pixelFont)
def initAxesData(self):
self.__axisData = [AxisData() for axisId in range(self.axisCnt)]
self.__axisData[self.yLeft].scaleWidget = \
QwtScaleWidget(QwtScaleDraw.LeftScale, self)
self.__axisData[self.yRight].scaleWidget = \
QwtScaleWidget(QwtScaleDraw.RightScale, self)
self.__axisData[self.xTop].scaleWidget = \
QwtScaleWidget(QwtScaleDraw.TopScale, self)
self.__axisData[self.xBottom].scaleWidget = \
QwtScaleWidget(QwtScaleDraw.BottomScale, self)
self.__axisData[self.yLeft
].scaleWidget.setObjectName("QwtPlotAxisYLeft")
self.__axisData[self.yRight
].scaleWidget.setObjectName("QwtPlotAxisYRight")
self.__axisData[self.xTop
].scaleWidget.setObjectName("QwtPlotAxisXTop")
self.__axisData[self.xBottom
].scaleWidget.setObjectName("QwtPlotAxisXBottom")
fscl = QFont(self.fontInfo().family(), 10)
fttl = QFont(self.fontInfo().family(), 12, QFont.Bold)
for axisId in range(self.axisCnt):
d = self.__axisData[axisId]
d.scaleEngine = QwtLinearScaleEngine()
d.scaleWidget.setTransformation(d.scaleEngine.transformation())
d.scaleWidget.setFont(fscl)
d.scaleWidget.setMargin(2)
text = d.scaleWidget.title()
text.setFont(fttl)
d.scaleWidget.setTitle(text)
d.doAutoScale = True
d.minValue = 0.0
d.maxValue = 1000.0
d.stepSize = 0.0
d.maxMinor = 5
d.maxMajor = 8
d.isValid = False
self.__axisData[self.yLeft].isEnabled = True
self.__axisData[self.yRight].isEnabled = False
self.__axisData[self.xBottom].isEnabled = True
self.__axisData[self.xTop].isEnabled = False
def draw(self, painter, rect):
if self.__data.paintAttributes & self.PaintBackground:
if self.__data.borderPen != Qt.NoPen or\
self.__data.backgroundBrush != Qt.NoBrush:
painter.save()
painter.setPen(self.__data.borderPen)
painter.setBrush(self.__data.backgroundBrush)
if self.__data.borderRadius == 0:
QwtPainter.drawRect(painter, rect)
else:
painter.setRenderHint(QPainter.Antialiasing, True)
painter.drawRoundedRect(rect, self.__data.borderRadius,
self.__data.borderRadius)
painter.restore()
painter.save()
if self.__data.paintAttributes & self.PaintUsingTextFont:
painter.setFont(self.__data.font)
if self.__data.paintAttributes & self.PaintUsingTextColor:
if self.__data.color.isValid():
painter.setPen(self.__data.color)
expandedRect = rect
if self.__data.layoutAttributes & self.MinimumLayout:
font = QFont(painter.font(), self.desktopwidget)
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
expandedRect.setTop(rect.top() - top)
expandedRect.setBottom(rect.bottom() + bottom)
expandedRect.setLeft(rect.left() - left)
expandedRect.setRight(rect.right() + right)
self.__data.textEngine.draw(painter, expandedRect,
self.__data.renderFlags, self.__data.text)
painter.restore()
def drawContents(self, painter):
# draw curves
r = self.contentsRect()
dy = r.height() / len(self.curves)
r.setHeight(dy)
for curve in self.curves:
self.xMap.setPaintInterval(r.left(), r.right())
self.yMap.setPaintInterval(r.top(), r.bottom())
engine = painter.device().paintEngine()
if engine is not None and engine.hasFeature(
QPaintEngine.Antialiasing):
painter.setRenderHint(
QPainter.Antialiasing,
curve.testRenderHint(QwtPlotItem.RenderAntialiased))
curve.draw(painter, self.xMap, self.yMap, r)
self.shiftDown(r, dy)
# draw titles
r = self.contentsRect()
r.setHeight(dy)
painter.setFont(QFont('Helvetica', 8))
painter.setPen(Qt.black)
for title in self.titles:
painter.drawText(0, r.top(), r.width(),
painter.fontMetrics().height(),
Qt.AlignTop | Qt.AlignHCenter, title)
self.shiftDown(r, dy)
def show_layout_details(self):
text = QwtText(
"plotLayout().canvasRect():\n%r\n\n"
"canvas().geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yLeft):\n%r\n\n"
"axisWidget(QwtPlot.yLeft).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.yRight):\n%r\n\n"
"axisWidget(QwtPlot.yRight).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xBottom):\n%r\n\n"
"axisWidget(QwtPlot.xBottom).geometry():\n%r\n\n"
"plotLayout().scaleRect(QwtPlot.xTop):\n%r\n\n"
"axisWidget(QwtPlot.xTop).geometry():\n%r\n\n" % (
self.plotLayout().canvasRect().getCoords(),
self.canvas().geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yLeft).getCoords(),
self.axisWidget(QwtPlot.yLeft).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.yRight).getCoords(),
self.axisWidget(QwtPlot.yRight).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xBottom).getCoords(),
self.axisWidget(QwtPlot.xBottom).geometry().getCoords(),
self.plotLayout().scaleRect(QwtPlot.xTop).getCoords(),
self.axisWidget(QwtPlot.xTop).geometry().getCoords(),
))
text.setFont(QFont('Courier New'))
text.setColor(Qt.blue)
self.marker.setLabel(text)
def __init__(self):
self.isEnabled = None
self.scaleWidget = QwtScaleWidget()
self.scaleFont = QFont()
self.start = None
self.end = None
self.baseLineOffset = None
self.tickOffset = None
self.dimWithoutTitle = None
def heightForWidth(self, width, defaultFont=None):
if defaultFont is None:
defaultFont = QFont()
font = QFont(self.usedFont(defaultFont), self.desktopwidget)
h = 0
if self.__data.layoutAttributes & self.MinimumLayout:
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
h = self.__data.textEngine.heightForWidth(font,
self.__data.renderFlags,
self.__data.text,
width + left + right)
h -= top + bottom
else:
h = self.__data.textEngine.heightForWidth(font,
self.__data.renderFlags,
self.__data.text, width)
return h
def textSize(self, defaultFont):
font = QFont(self.usedFont(defaultFont), self.desktopwidget)
if not self.__layoutCache.textSize.isValid() or\
self.__layoutCache.font is not font:
self.__layoutCache.textSize =\
self.__data.textEngine.textSize(font, self.__data.renderFlags,
self.__data.text)
self.__layoutCache.font = font
sz = self.__layoutCache.textSize
if self.__data.layoutAttributes & self.MinimumLayout:
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
sz -= QSizeF(left + right, top + bottom)
return sz
def textSize(self, defaultFont):
"""
Returns the size, that is needed to render text
:param QFont defaultFont Font, used for the calculation if the text has no font
:return: Caluclated size
"""
font = QFont(self.usedFont(defaultFont), self._desktopwidget)
if not self.__layoutCache.textSize.isValid() or\
self.__layoutCache.font is not font:
self.__layoutCache.textSize =\
self.__data.textEngine.textSize(font, self.__data.renderFlags,
self.__data.text)
self.__layoutCache.font = font
sz = self.__layoutCache.textSize
if self.__data.layoutAttributes & self.MinimumLayout:
(left, right, top,
bottom) = self.__data.textEngine.textMargins(font)
sz -= QSizeF(left + right, top + bottom)
return sz
def create_2D_plotter(self):
if not self.ND_plotter is None:
self.ND_plotter.close()
self.ND_plotter = None
self.twoD_plotter, self.plotPrinter = plot_func.create_2D_Plotters(
self.layout, self.layout_parent)
self.twoD_plotter.colorbar_needed.connect(self.set_ColorBar)
self.twoD_plotter.show_ND_Controller.connect(
self.ND_controller_showDisplay)
self.twoD_plotter.show_3D_Display.connect(self.show_3D_Display)
self.twoD_plotter.do_print.connect(self.plotPrinter.do_print)
self.twoD_plotter.save_display.connect(self.grab_display)
# create status label display
self.status_label = Qt.QLabel(self.layout_parent)
sansFont = QFont("Helvetica [Cronyx]", 8)
self.status_label.setFont(sansFont)
# self.layout.addMultiCellWidget(self.status_label,1,1,0,2)
self.layout.addWidget(self.status_label, 1, 0, 1, 2)
self.status_label.setText("Move the mouse within the plot canvas"
" to show the cursor position.")
self.status_label.show()
self.twoD_plotter.status_update.connect(self.update_status)
def __init__(self, *args):
QMainWindow.__init__(self, *args)
self.plot = DataPlot(self)
self.plot.setContentsMargins(5, 5, 5, 0)
self.setCentralWidget(self.plot)
# signal slot connect
self.plot.signal_showinfo.connect(self.showInfo)
font = QFont()
font.setFamily("Calibri") #,Consolas
font.setPointSize(16)
font2 = QFont()
font2.setFamily("Calibri")
font2.setPointSize(12)
self.plot.setFont(font2)
# add toolbar
toolBar = QToolBar(self)
toolBar.setOrientation(Qt.Vertical)
self.addToolBar(toolBar)
# label COM
lbl_COM = QLabel("COM:", toolBar)
lbl_COM.setFont(font2)
lbl_COM.setStyleSheet("")
toolBar.addWidget(lbl_COM)
#lineEdit_COM
self.lineEdit_COM = QLineEdit(str(config.Port))
self.lineEdit_COM.setFont(font2)
#self.lineEdit_COM.setMinimumWidth(100)
toolBar.addWidget(self.lineEdit_COM)
# label baudrate
lbl_baud = QLabel("BAUD Rate:", toolBar)
lbl_baud.setFont(font2)
lbl_baud.setStyleSheet("")
toolBar.addWidget(lbl_baud)
#lineEdit_baud
self.lineEdit_baud = QLineEdit(str(config.BaudRate))
#self.lineEdit_baud.setMinimumWidth(100)
self.lineEdit_baud.setFont(font2)
toolBar.addWidget(self.lineEdit_baud)
# Connect device, QIcon(const QString &filename); // 从图像文件构造图标
btnConnect = QToolButton(toolBar)
btnConnect.setText("Connect")
btnConnect.setFont(font2)
btnConnect.setIcon(QIcon('./icon/Connect.png'))
btnConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnConnect)
btnConnect.clicked.connect(self.GetComSettings_Connect)
# disConnect device
btnDisConnect = QToolButton(toolBar)
btnDisConnect.setText("DisConnect")
btnDisConnect.setFont(font2)
btnDisConnect.setIcon(QIcon('./icon/Disconnect.jfif'))
btnDisConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnDisConnect)
btnDisConnect.clicked.connect(self.plot.DisConnect)
toolBar.addSeparator()
# Start timer
btnStartTimer = QToolButton(toolBar)
btnStartTimer.setText("Start Timer")
btnStartTimer.setFont(font2)
btnStartTimer.setIcon(QIcon('./icon/start.jfif'))
btnStartTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStartTimer)
btnStartTimer.clicked.connect(self.plot.StartTimer)
# Stop timer
btnStopTimer = QToolButton(toolBar)
btnStopTimer.setText("Stop Timer")
btnStopTimer.setFont(font2)
btnStopTimer.setIcon(QIcon('./icon/stop.jfif'))
btnStopTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStopTimer)
btnStopTimer.clicked.connect(self.plot.StopTimer)
toolBar.addSeparator()
#X_LOWER
lbl_x_lower = QLabel("X-Lower:", toolBar)
lbl_x_lower.setFont(font2)
toolBar.addWidget(lbl_x_lower)
self.LineEdit_x_lower = QLineEdit(str(config.X_lower), toolBar)
self.LineEdit_x_lower.setFont(font2)
toolBar.addWidget(self.LineEdit_x_lower)
#X_Upper
lbl_x_upper = QLabel("X-Upper:", toolBar)
lbl_x_upper.setFont(font2)
toolBar.addWidget(lbl_x_upper)
self.LineEdit_x_upper = QLineEdit(str(config.X_upper), toolBar)
self.LineEdit_x_upper.setFont(font2)
toolBar.addWidget(self.LineEdit_x_upper)
#X_interval
lbl_x_inteval = QLabel("X-Interval(s):", toolBar)
lbl_x_inteval.setFont(font2)
toolBar.addWidget(lbl_x_inteval)
self.LineEdit_x_interval = QLineEdit(str(config.X_grid_interval),
toolBar)
self.LineEdit_x_interval.setFont(font2)
toolBar.addWidget(self.LineEdit_x_interval)
# Y_Lower
lbl_y_lower = QLabel("Y-Lower:", toolBar)
lbl_y_lower.setFont(font2)
toolBar.addWidget(lbl_y_lower)
self.LineEdit_y_Lower = QLineEdit(str(config.Y_lower), toolBar)
self.LineEdit_y_Lower.setFont(font2)
toolBar.addWidget(self.LineEdit_y_Lower)
# Y_Upper
lbl_y_uppwer = QLabel("Y-Upper:", toolBar)
lbl_y_uppwer.setFont(font2)
toolBar.addWidget(lbl_y_uppwer)
self.LineEdit_Y_Upper = QLineEdit(str(config.Y_upper), toolBar)
self.LineEdit_Y_Upper.setFont(font2)
toolBar.addWidget(self.LineEdit_Y_Upper)
# Y-Interval
lbl_Y_Interval = QLabel("Y-Interval:", toolBar)
lbl_Y_Interval.setFont(font2)
toolBar.addWidget(lbl_Y_Interval)
self.LineEdit_y_interval = QLineEdit(str(config.Y_grid_interval),
toolBar)
self.LineEdit_y_interval.setFont(font2)
toolBar.addWidget(self.LineEdit_y_interval)
# Set axis para
btnSet = QToolButton(toolBar)
btnSet.setText("Set Paras")
btnSet.setFont(font2)
btnSet.setIcon(QIcon('./icon/Settings.jfif'))
btnSet.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnSet)
btnSet.clicked.connect(self.SetParas)
toolBar.addSeparator()
# add print btn to toolbar
btnPrint = QToolButton(toolBar)
btnPrint.setText("Print")
btnPrint.setFont(font2)
btnPrint.setIcon(QIcon('./icon/print.jfif'))
btnPrint.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnPrint)
btnPrint.clicked.connect(self.print_)
# add Export btn to toolbar
btnExport = QToolButton(toolBar)
btnExport.setText("Export")
btnExport.setFont(font2)
btnExport.setIcon(QIcon('./icon/snapshot.jfif'))
btnExport.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnExport)
btnExport.clicked.connect(self.exportDocument)
toolBar.addSeparator()
# add About btn to toolbar
btnAbout = QToolButton(toolBar)
btnAbout.setText("About")
btnAbout.setFont(font2)
btnAbout.setIcon(QIcon('./icon/about.png'))
btnAbout.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnAbout)
btnAbout.clicked.connect(self.About)
#self.statusBar().setStyleSheet("QStatusBar::item{border: 5px}")
self.statusBar().setStyleSheet("color:green")
#self.statusBar().addPermanentWidget(VLine())
self.statusBar().addPermanentWidget(QLabel("X = "))
#self.statusBar().addPermanentWidget(VLine())
self.statusBar().addPermanentWidget(QLabel("Y = "))
#self.statusBar().addPermanentWidget(VLine())
PermanentLabel = QLabel("Version:" + kProgVersion + " Developed by " +
kProgramDeveloperName +
" Python. Running with " + kPythonVersion)
font3 = QFont()
font3.setFamily("Calibri")
font3.setPointSize(12)
PermanentLabel.setFont(font3)
self.statusBar().setFont(font3)
self.statusBar().addPermanentWidget(PermanentLabel)
self.showInfo("Show info here ......")
def styleQwtPlot(self, name, elem):
font = QFont()
font.setPixelSize(24)
title = QwtText(name)
title.setFont(font)
elem.setTitle(title)
def axisFont(self, axisId):
if self.axisValid(axisId):
return self.axisWidget(axisId).font()
else:
return QFont()
def __init__(self, *args):
QMainWindow.__init__(self, *args)
self.plot = DataPlot(self)
#self.plot.resize(540,760)
self.plot.setContentsMargins(5, 5, 5, 0)
self.setCentralWidget(self.plot)
print(type(self.plot.signal_showinfo))
# signal slot connect
self.plot.signal_showinfo.connect(self.showInfo)
font = QFont()
font.setFamily("Calibri") #,Consolas
font.setPointSize(16)
font2 = QFont()
font2.setFamily("Calibri")
font2.setPointSize(14)
self.plot.setFont(font2)
# add toolbar
toolBar = QToolBar(self)
self.addToolBar(toolBar)
# label COM
lbl_COM = QLabel("COM:",toolBar)
lbl_COM.setFont(font)
lbl_COM.setStyleSheet("")
toolBar.addWidget(lbl_COM)
#lineEdit_COM
self.lineEdit_COM = QLineEdit('COM37')
self.lineEdit_COM.setFont(font2)
self.lineEdit_COM.setMinimumWidth(50)
toolBar.addWidget(self.lineEdit_COM)
# label baudrate
lbl_baud = QLabel("BAUD Rate:",toolBar)
lbl_baud.setFont(font)
lbl_baud.setStyleSheet("")
toolBar.addWidget(lbl_baud)
#lineEdit_baud
self.lineEdit_baud = QLineEdit('9600')
self.lineEdit_baud.setMinimumWidth(100)
self.lineEdit_baud.setFont(font2)
toolBar.addWidget(self.lineEdit_baud)
# label command
lbl_command = QLabel("Command:",toolBar)
lbl_command.setFont(font)
lbl_command.setStyleSheet("")
toolBar.addWidget(lbl_command)
#lineEdit_command
self.lineEdit_command = QLineEdit(r'UPPER_VAL?\r\n')
self.lineEdit_command.setFont(font2)
#self.lineEdit_command.resize(200,12)
#self.lineEdit_command.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred)
self.lineEdit_command.setMinimumWidth(300)
toolBar.addWidget(self.lineEdit_command)
# label response_rex
lbl_response_rex = QLabel("response_rex:",toolBar)
lbl_response_rex.setFont(font)
lbl_response_rex.setStyleSheet("")
toolBar.addWidget(lbl_response_rex)
#lineEdit_response_rex
self.lineEdit_response_rex = QLineEdit(r'^[-]?([0-9]{1,}[.]?[0-9]*)')
self.lineEdit_response_rex.setFont(font2)
#self.lineEdit_command.resize(200,12)
#self.lineEdit_command.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred)
self.lineEdit_response_rex.setMinimumWidth(300)
toolBar.addWidget(self.lineEdit_response_rex)
# Connect device, QIcon(const QString &filename); // 从图像文件构造图标
btnConnect = QToolButton(toolBar)
btnConnect.setText("Connect")
btnConnect.setFont(font2)
btnConnect.setIcon(QIcon('./icon/Connect.png'))
btnConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnConnect)
btnConnect.clicked.connect(self.GetComSettings_Connect)
# disConnect device
btnDisConnect = QToolButton(toolBar)
btnDisConnect.setText("DisConnect")
btnDisConnect.setFont(font2)
btnDisConnect.setIcon(QIcon('./icon/Disconnect.jfif'))
btnDisConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnDisConnect)
btnDisConnect.clicked.connect(self.plot.DisConnect)
toolBar.addSeparator()
# Label sample interval
lbl_timer_interval = QLabel("Timer(ms):",toolBar)
lbl_timer_interval.setFont(font)
lbl_timer_interval.setStyleSheet("")
toolBar.addWidget(lbl_timer_interval)
# lineEdit sample interval
self.lineEdit_timer_interval = QLineEdit('250')
self.lineEdit_timer_interval.setFont(font2)
self.lineEdit_timer_interval.setStyleSheet("")
toolBar.addWidget(self.lineEdit_timer_interval)
# Start timer
btnStartTimer = QToolButton(toolBar)
btnStartTimer.setText("Start Timer")
btnStartTimer.setFont(font2)
btnStartTimer.setIcon(QIcon('./icon/start.jfif'))
btnStartTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStartTimer)
btnStartTimer.clicked.connect(self.plot.StartTimer)
# Stop timer
btnStopTimer = QToolButton(toolBar)
btnStopTimer.setText("Stop Timer")
btnStopTimer.setFont(font2)
btnStopTimer.setIcon(QIcon('./icon/stop.jfif'))
btnStopTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStopTimer)
btnStopTimer.clicked.connect(self.plot.StopTimer)
toolBar.addSeparator()
# dampBox = QWidget(toolBar)
# dampLayout = QHBoxLayout(dampBox)
# dampLayout.setSpacing(0)
# dampLayout.addWidget(QWidget(dampBox), 0) # spacer
#X_interval
lbl_x_inteval = QLabel("X-Interval(s):", toolBar)
lbl_x_inteval.setFont(font)
#dampLayout.addWidget(lbl_x_inteval, 0)
toolBar.addWidget(lbl_x_inteval)
self.LineEdit_x_interval= QLineEdit('30',toolBar)
self.LineEdit_x_interval.setFont(font2)
#dampLayout.addWidget(self.LineEdit_x_interval,0)
#dampLayout.addSpacing(10)
toolBar.addWidget(self.LineEdit_x_interval)
# Y_Lower
lbl_y_lower = QLabel("Y-Lower:", toolBar)
lbl_y_lower.setFont(font)
#dampLayout.addWidget(lbl_y_lower, 0)
toolBar.addWidget(lbl_y_lower)
self.LineEdit_y_Lower = QLineEdit('-90', toolBar)
self.LineEdit_y_Lower.setFont(font2)
#dampLayout.addWidget(self.LineEdit_y_Lower, 0)
#dampLayout.addSpacing(10)
toolBar.addWidget(self.LineEdit_y_Lower)
# Y_Upper
lbl_y_uppwer = QLabel("Y-Upper:", toolBar)
lbl_y_uppwer.setFont(font)
#dampLayout.addWidget(lbl_y_uppwer, 0)
toolBar.addWidget(lbl_y_uppwer)
self.LineEdit_Y_Upper = QLineEdit('210', toolBar)
self.LineEdit_Y_Upper.setFont(font2)
#dampLayout.addWidget(self.LineEdit_Y_Upper, 0)
#dampLayout.addSpacing(10)
toolBar.addWidget(self.LineEdit_Y_Upper)
# Y-Interval
lbl_Y_Interval = QLabel("Y-Interval:", toolBar)
lbl_Y_Interval.setFont(font)
#dampLayout.addWidget(lbl_Y_Interval, 0)
toolBar.addWidget(lbl_Y_Interval)
self.LineEdit_y_interval= QLineEdit('50', toolBar)
self.LineEdit_y_interval.setFont(font2)
#dampLayout.addWidget(self.LineEdit_y_interval, 0)
#dampLayout.addSpacing(10)
toolBar.addWidget(self.LineEdit_y_interval)
#toolBar.addWidget(dampBox)
# Set axis para
btnSet = QToolButton(toolBar)
btnSet.setText("Set Paras")
btnSet.setFont(font2)
btnSet.setIcon(QIcon('./icon/Settings.jfif'))
btnSet.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnSet)
btnSet.clicked.connect(self.SetParas)
toolBar.addSeparator()
# add print btn to toolbar
btnPrint = QToolButton(toolBar)
btnPrint.setText("Print")
btnPrint.setFont(font2)
btnPrint.setIcon(QIcon('./icon/print.jfif'))
btnPrint.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnPrint)
btnPrint.clicked.connect(self.print_)
# add Export btn to toolbar
btnExport = QToolButton(toolBar)
btnExport.setText("Export")
btnExport.setFont(font2)
btnExport.setIcon(QIcon('./icon/snapshot.jfif'))
btnExport.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnExport)
btnExport.clicked.connect(self.exportDocument)
toolBar.addSeparator()
self.statusBar()
self.showInfo("Show info here ......")
def font(self, f, _):
result = QFont(f)
result.setPointSize(int(f.pointSize() * 1.25))
return result
def __init__(self, *args):
QwtPlot.__init__(self, *args)
self.uut_dev = None
self.timerId = None
self.interval = 250 # ms
fileTIME = datetime.datetime.now()
File_timestamp = "%04d-%02d-%02d_%02d%02d%02d" % (fileTIME.year,fileTIME.month,fileTIME.day,fileTIME.hour, fileTIME.minute, fileTIME.second)
self.fileNamme = '.\data\data_%s.txt'%File_timestamp
print(self.fileNamme)
self.x_range = 180.1
self.x_interval = 10.0
self.y_range_Upper = 210.0
self.y_range_Lower = -90.0
self.y_interval = 20.0
self.unit = 'kPa' # default value, will replaced by actual reading.
self.getReadingCommand = r"UPPER_VAL?\r\n" # default pass and pac
self.getResp_rex = r'^[-]?([0-9]{1,}[.]?[0-9]*)'
self.lenth = 40 # 10s caculate the slowrate
# QwtPlot property
# Initialize 坐标轴
self.setCanvasBackground(Qt.white) #Qt.white
self.alignScales()
grid = QwtPlotGrid()
grid.attach(self)
grid.setMajorPen(QPen(Qt.black, 0, Qt.DotLine))
self.setAxisScale(QwtPlot.xBottom, 0.0,self.x_range,self.x_interval)
#self.setAxisAutoScale(QwtPlot.yLeft,True)
#self.setAxisScale(QwtPlot.yLeft,99.99,100.0,0.0005)
self.setAxisScale(QwtPlot.yLeft,self.y_range_Lower,self.y_range_Upper,self.y_interval)
self.setAxisLabelRotation(QwtPlot.xBottom,-45.0)
self.x = np.arange(0.0, self.x_range + 1, 0.25)#0.25 for ONE POINT, THIS SHOULD BE Align to the reading rate:250ms
#self.z = np.zeros(len(self.x), np.float)
list = []
for i in range(len(self.x)):
list.append(0.0)
self.z = np.array(list)
rlist = []
for i in range(self.lenth): # 10s
rlist.append(0.0)
self.RateList = np.array(rlist)
self.setTitle("UUT Reading Monitor - OutPort(%s)\r\n"%(self.unit))
self.insertLegend(QwtLegend(), QwtPlot.RightLegend);
self.curveL = QwtPlotCurve("UUT Reading")
self.curveL.attach(self)
pen = QPen(Qt.red)
pen.setWidth(1.5)
self.curveL.setPen(pen)
# show peak line and point value
fn = self.fontInfo().family()
self.peakMarker = m = QwtPlotMarker()
m.setLineStyle(QwtPlotMarker.HLine)
m.setLabelAlignment(Qt.AlignLeft | Qt.AlignTop)
m.setLinePen(QPen(Qt.blue, 1.5, Qt.DashDotLine))
text = QwtText('dfdfdfdf')
text.setColor(Qt.red)
text.setBackgroundBrush(QBrush(self.canvasBackground()))
text.setFont(QFont(fn, 12, QFont.Bold))
m.setLabel(text)
# MarkPoint symbol
m.setSymbol(QwtSymbol(QwtSymbol.Diamond,
QBrush(Qt.blue),
QPen(Qt.green),
QSize(7,7)))
m.attach(self)
# text marker
self.txtMarker = m = QwtPlotMarker()
m.setValue(self.x_range/2, self.y_range_Upper - self.y_interval/2) # show position
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
text = QwtText('initial')
text.setFont(QFont(fn, 20, QFont.Bold))
text.setColor(Qt.white)
text.setBackgroundBrush(QBrush(Qt.black))
text.setBorderPen(QPen(Qt.red, 2))
m.setLabel(text)
m.attach(self)
self.setAxisTitle(QwtPlot.xBottom, "Time (seconds)")
self.setAxisTitle(QwtPlot.yLeft, "UUT - Reading(%s)"%(self.unit))
self.replot()
#self.startTimer(250)#ms# FOR GET READING
self.starttime = time.clock();#unit: s
self.idx = 0
self.readfmt = "%f"
self.Saveinfo("Starting...")
def __init__(self, *args):
QMainWindow.__init__(self, *args)
self.plot = DataPlot(self)
self.plot.setContentsMargins(5, 5, 5, 0)
self.setCentralWidget(self.plot)
print(type(self.plot.signal_showinfo))
# signal slot connect
self.plot.signal_showinfo.connect(self.showInfo)
font = QFont()
font.setFamily("Calibri") #,Consolas
font.setPointSize(16)
font2 = QFont()
font2.setFamily("Calibri")
font2.setPointSize(14)
self.plot.setFont(font2)
# add toolbar
toolBar = QToolBar(self)
self.addToolBar(toolBar)
# label COM
lbl_COM = QLabel("COM:", toolBar)
lbl_COM.setFont(font)
lbl_COM.setStyleSheet("")
toolBar.addWidget(lbl_COM)
#lineEdit_COM
self.lineEdit_COM = QLineEdit(str(config.Port))
self.lineEdit_COM.setFont(font2)
self.lineEdit_COM.setMinimumWidth(50)
toolBar.addWidget(self.lineEdit_COM)
# label baudrate
lbl_baud = QLabel("BAUD Rate:", toolBar)
lbl_baud.setFont(font)
lbl_baud.setStyleSheet("")
toolBar.addWidget(lbl_baud)
#lineEdit_baud
self.lineEdit_baud = QLineEdit(str(config.BaudRate))
self.lineEdit_baud.setMinimumWidth(100)
self.lineEdit_baud.setFont(font2)
toolBar.addWidget(self.lineEdit_baud)
# Connect device, QIcon(const QString &filename); // 从图像文件构造图标
btnConnect = QToolButton(toolBar)
btnConnect.setText("Connect")
btnConnect.setFont(font2)
btnConnect.setIcon(QIcon('./icon/Connect.png'))
btnConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnConnect)
btnConnect.clicked.connect(self.GetComSettings_Connect)
# disConnect device
btnDisConnect = QToolButton(toolBar)
btnDisConnect.setText("DisConnect")
btnDisConnect.setFont(font2)
btnDisConnect.setIcon(QIcon('./icon/Disconnect.jfif'))
btnDisConnect.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnDisConnect)
btnDisConnect.clicked.connect(self.plot.DisConnect)
toolBar.addSeparator()
# Start timer
btnStartTimer = QToolButton(toolBar)
btnStartTimer.setText("Start Timer")
btnStartTimer.setFont(font2)
btnStartTimer.setIcon(QIcon('./icon/start.jfif'))
btnStartTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStartTimer)
btnStartTimer.clicked.connect(self.plot.StartTimer)
# Stop timer
btnStopTimer = QToolButton(toolBar)
btnStopTimer.setText("Stop Timer")
btnStopTimer.setFont(font2)
btnStopTimer.setIcon(QIcon('./icon/stop.jfif'))
btnStopTimer.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnStopTimer)
btnStopTimer.clicked.connect(self.plot.StopTimer)
toolBar.addSeparator()
#X_LOWER
lbl_x_lower = QLabel("X-Lower:", toolBar)
lbl_x_lower.setFont(font)
toolBar.addWidget(lbl_x_lower)
self.LineEdit_x_lower = QLineEdit(str(0), toolBar)
self.LineEdit_x_lower.setFont(font2)
toolBar.addWidget(self.LineEdit_x_lower)
#X_Upper
lbl_x_upper = QLabel("X-Upper:", toolBar)
lbl_x_upper.setFont(font)
toolBar.addWidget(lbl_x_upper)
self.LineEdit_x_upper = QLineEdit(str(config.X_upper), toolBar)
self.LineEdit_x_upper.setFont(font2)
toolBar.addWidget(self.LineEdit_x_upper)
#X_interval
lbl_x_inteval = QLabel("X-Interval(s):", toolBar)
lbl_x_inteval.setFont(font)
toolBar.addWidget(lbl_x_inteval)
self.LineEdit_x_interval = QLineEdit(str(config.X_grid_interval),
toolBar)
self.LineEdit_x_interval.setFont(font2)
toolBar.addWidget(self.LineEdit_x_interval)
# Y_Lower
lbl_y_lower = QLabel("Y-Lower:", toolBar)
lbl_y_lower.setFont(font)
toolBar.addWidget(lbl_y_lower)
self.LineEdit_y_Lower = QLineEdit(str(config.Y_lower), toolBar)
self.LineEdit_y_Lower.setFont(font2)
toolBar.addWidget(self.LineEdit_y_Lower)
# Y_Upper
lbl_y_uppwer = QLabel("Y-Upper:", toolBar)
lbl_y_uppwer.setFont(font)
toolBar.addWidget(lbl_y_uppwer)
self.LineEdit_Y_Upper = QLineEdit(str(config.Y_upper), toolBar)
self.LineEdit_Y_Upper.setFont(font2)
toolBar.addWidget(self.LineEdit_Y_Upper)
# Y-Interval
lbl_Y_Interval = QLabel("Y-Interval:", toolBar)
lbl_Y_Interval.setFont(font)
toolBar.addWidget(lbl_Y_Interval)
self.LineEdit_y_interval = QLineEdit(str(config.Y_grid_interval),
toolBar)
self.LineEdit_y_interval.setFont(font2)
toolBar.addWidget(self.LineEdit_y_interval)
# Set axis para
btnSet = QToolButton(toolBar)
btnSet.setText("Set Paras")
btnSet.setFont(font2)
btnSet.setIcon(QIcon('./icon/Settings.jfif'))
btnSet.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnSet)
btnSet.clicked.connect(self.SetParas)
toolBar.addSeparator()
# add print btn to toolbar
btnPrint = QToolButton(toolBar)
btnPrint.setText("Print")
btnPrint.setFont(font2)
btnPrint.setIcon(QIcon('./icon/print.jfif'))
btnPrint.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnPrint)
btnPrint.clicked.connect(self.print_)
# add Export btn to toolbar
btnExport = QToolButton(toolBar)
btnExport.setText("Export")
btnExport.setFont(font2)
btnExport.setIcon(QIcon('./icon/snapshot.jfif'))
btnExport.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
toolBar.addWidget(btnExport)
btnExport.clicked.connect(self.exportDocument)
toolBar.addSeparator()
self.statusBar()
self.showInfo("Show info here ......")
def __init__(self, colorbar_number=0, parent=None):
QwtPlot.__init__(self, parent)
self._mainwin = parent and parent.topLevelWidget()
self.colorbar_number = colorbar_number
# create copy of standard application font..
font = QFont()
fi = QFontInfo(font)
# and scale it down to 70%
font.setPointSize(fi.pointSize() * 0.7)
# apply font to QwtPlot
# self.setTitleFont(font);
for axis in range(0, 4):
self.setAxisFont(axis, font)
# self.setAxisTitleFont(axis,font);
# make a QwtPlot widget
self.plotLayout().setCanvasMargin(0)
self.plotLayout().setAlignCanvasToScales(1)
# set axis parameters
self.enableAxis(QwtPlot.yLeft)
self.enableAxis(QwtPlot.xBottom, False)
self.setAxisLabelRotation(QwtPlot.yLeft, 270)
self.setAxisLabelAlignment(QwtPlot.yLeft, Qt.AlignTop)
# default color bar
self.plotImage = QwtPlotImage(self)
self.plotImage.attach(self)
self.updateDisplay()
self.min = 0.0
self.max = 256.0
self.is_active = False
self.log_scale = False
self.ampl_phase = False
self.bar_array = numpy.reshape(numpy.arange(self.max), (1, 256))
self.y_scale = (self.min, self.max)
self.plotImage.setData(self.bar_array, None, self.y_scale)
# Over-ride default QWT Plot size policy of MinimumExpanding
# Otherwise minimum size of plots is too large when embedded in a
# QGridlayout
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
# width limits - the following seem reasonable
# we don't want the bar to resize itself freely - it becomes too big!
# self.setMaximumWidth(self.sizeHint().width() * 2.5)
self.setMaximumWidth(self.sizeHint().width() * 1.5)
self.spy = Spy(self.canvas())
self.spy.MouseMove.connect(self.MouseMoveEvent)
self.spy.MousePress.connect(self.MousePressEvent)
self.spy.MouseRelease.connect(self.MouseReleaseEvent)
self.zoomStack = []
self.xzoom_loc = None
self.yzoom_loc = None
self.prev_xpos = None
self.prev_ypos = None
self.raw_image_min = None
self.raw_image_max = None
# create zoom curve
self.zoom_outline = QwtPlotCurve()
self.setMouseTracking(True)
self.installEventFilter(self)
# add intructions on how to use
self.setWhatsThis(colorbar_instructions)
# create pull_down menu and add menu components
if self._mainwin:
self._menu = QMenu(self._mainwin)
else:
self._menu = QMenu(None)
self._unzoom_action = QAction('unzoom intensity range', self)
self._menu.addAction(self._unzoom_action)
self._unzoom_action.setVisible(False)
self._unzoom_action.triggered.connect(self.unzoom)
self._lock_colorbar = QAction('lock colorbar scale', self)
self._menu.addAction(self._lock_colorbar)
self._lock_colorbar.triggered.connect(self.lock_colorbar)
self._unlock_colorbar = QAction('unlock colorbar scale', self)
self._menu.addAction(self._unlock_colorbar)
self._unlock_colorbar.setVisible(False)
self._unlock_colorbar.triggered.connect(self.unlock_colorbar)
self._lock_bar = False
# for drag & drop stuff ...
self.setAcceptDrops(True)
self.yhb = 0
self.ylb = 0
self.xhb = 0
self.xlb = 0
def __init__(self, *args):
QwtPlot.__init__(self, *args)
self.uut_dev = None
self.timerId = None
#self.interval = 250 # ms
self.interval = config.interval # ms
fileTIME = datetime.datetime.now()
File_timestamp = "%04d-%02d-%02d_%02d%02d%02d" % (
fileTIME.year, fileTIME.month, fileTIME.day, fileTIME.hour,
fileTIME.minute, fileTIME.second)
self.fileNamme = '.\data\data_%s.txt' % File_timestamp
print('Raw data record file name:%s' % self.fileNamme)
# default parameters from config file
self.x_ZERO = config.X_lower
self.x_range = config.X_upper
self.x_interval = config.X_grid_interval
self.y_range_Upper = config.Y_upper
self.y_range_Lower = config.Y_lower
self.y_interval = config.Y_grid_interval
self.unit = 'kPa' # default value, will replaced by actual reading.
#self.getReadingCommand = r"UPPER_VAL?\r\n" # default pass and pac
#self.getResp_rex = r'^[-]?([0-9]{1,}[.]?[0-9]*)'
self.lenth = config.Slope_lenth # 40 = 10s caculate the slowrate
# QwtPlot property
# Initialize 坐标轴
self.setCanvasBackground(Qt.white) #Qt.white
self.alignScales()
grid = QwtPlotGrid()
grid.attach(self)
grid.setMajorPen(QPen(Qt.black, 0, Qt.DotLine))
# x Axis property
#self.setAxisScaleDraw(QwtPlot.xBottom, TimeScaleDraw(self.cpuStat.upTime()))
#timeScale = QwtDateScaleDraw(Qt.LocalTime)
#print(timeScale)
#self.setAxisScaleDraw(QwtPlot.xBottom, timeScale)
self.setAxisScale(QwtPlot.xBottom, 0.0, self.x_range, self.x_interval)
#self.setAxisAutoScale(QwtPlot.yLeft,True)
#self.setAxisScale(QwtPlot.yLeft,99.99,100.0,0.0005)
self.setAxisScale(QwtPlot.yLeft, self.y_range_Lower,
self.y_range_Upper, self.y_interval)
self.setAxisLabelRotation(QwtPlot.xBottom, -45.0)
self.x = np.arange(
0.0, self.x_range + 1, 0.25
) #0.25 for ONE POINT, THIS SHOULD BE Align to the reading rate:250ms
#self.z = np.zeros(len(self.x), np.float)
list = []
for i in range(len(self.x)):
list.append(0.0)
self.z = np.array(list)
rlist = []
for i in range(self.lenth): # 10s
rlist.append(0.0)
self.RateList = np.array(rlist)
self.setTitle("UUT Reading Monitor - OutPort(%s)\r\n" % (self.unit))
#self.insertLegend(QwtLegend(), QwtPlot.RightLegend);
self.curveL = QwtPlotCurve("UUT Reading")
self.curveL.attach(self)
pen = QPen(Qt.red)
pen.setWidth(1.5)
#pen.setWidth(1)
self.curveL.setPen(pen)
font = QFont()
font.setFamily("Calibri") #,Consolas
font.setPointSize(16)
# show the latest reading. line and point value
self.peakMarker = m = QwtPlotMarker()
m.setLineStyle(QwtPlotMarker.HLine)
m.setLabelAlignment(Qt.AlignLeft | Qt.AlignTop)
m.setLinePen(QPen(Qt.blue, 1.5, Qt.DashDotLine))
text = QwtText('Reading: ----')
text.setColor(Qt.red)
text.setBackgroundBrush(QBrush(self.canvasBackground()))
text.setFont(font)
m.setLabel(text)
# MarkPoint symbol
m.setSymbol(
QwtSymbol(QwtSymbol.Diamond, QBrush(Qt.blue), QPen(Qt.green),
QSize(7, 7)))
m.attach(self)
# text marker , display slope rate
self.txtMarker = m = QwtPlotMarker()
m.setValue(self.x_range / 2,
self.y_range_Upper - self.y_interval / 2) # show position
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
text = QwtText('Slope Rate: ----')
text.setFont(font)
text.setColor(Qt.white)
text.setBackgroundBrush(QBrush(Qt.black))
text.setBorderPen(QPen(Qt.red, 2))
m.setLabel(text)
m.attach(self)
self.setAxisTitle(QwtPlot.xBottom, "Time (seconds)")
self.setAxisTitle(QwtPlot.yLeft, "UUT - Reading(%s)" % (self.unit))
self.replot()
#self.startTimer(250)#ms# FOR GET READING
#self.starttime = time.clock();#unit: s python2
self.starttime = time.time() # python3
self.idx = 0
self.readfmt = "%f"
self.Saveinfo("Starting...")
def __init__(self, *args):
QwtPlot.__init__(self, *args)
self.setTitle('Frequency Response of a 2<sup>nd</sup>-order System')
self.setCanvasBackground(Qt.darkBlue)
# legend
legend = QwtLegend()
legend.setFrameStyle(QFrame.Box | QFrame.Sunken)
self.insertLegend(legend, QwtPlot.BottomLegend)
# grid
self.grid = QwtPlotGrid()
self.grid.enableXMin(True)
self.grid.attach(self)
# axes
self.enableAxis(QwtPlot.yRight)
self.setAxisTitle(QwtPlot.xBottom, '\u03c9/\u03c9<sub>0</sub>')
self.setAxisTitle(QwtPlot.yLeft, 'Amplitude [dB]')
self.setAxisTitle(QwtPlot.yRight, 'Phase [\u00b0]')
self.setAxisMaxMajor(QwtPlot.xBottom, 6)
self.setAxisMaxMinor(QwtPlot.xBottom, 10)
self.setAxisScaleEngine(QwtPlot.xBottom, QwtLogScaleEngine())
# curves
self.curve1 = QwtPlotCurve('Amplitude')
self.curve1.setRenderHint(QwtPlotItem.RenderAntialiased)
self.curve1.setPen(QPen(Qt.yellow))
self.curve1.setYAxis(QwtPlot.yLeft)
self.curve1.attach(self)
self.curve2 = QwtPlotCurve('Phase')
self.curve2.setRenderHint(QwtPlotItem.RenderAntialiased)
self.curve2.setPen(QPen(Qt.cyan))
self.curve2.setYAxis(QwtPlot.yRight)
self.curve2.attach(self)
# alias
fn = self.fontInfo().family()
# marker
self.dB3Marker = m = QwtPlotMarker()
m.setValue(0.0, 0.0)
m.setLineStyle(QwtPlotMarker.VLine)
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
m.setLinePen(QPen(Qt.green, 2, Qt.DashDotLine))
text = QwtText('')
text.setColor(Qt.green)
text.setBackgroundBrush(Qt.red)
text.setFont(QFont(fn, 12, QFont.Bold))
m.setLabel(text)
m.attach(self)
self.peakMarker = m = QwtPlotMarker()
m.setLineStyle(QwtPlotMarker.HLine)
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
m.setLinePen(QPen(Qt.red, 2, Qt.DashDotLine))
text = QwtText('')
text.setColor(Qt.red)
text.setBackgroundBrush(QBrush(self.canvasBackground()))
text.setFont(QFont(fn, 12, QFont.Bold))
m.setLabel(text)
m.setSymbol(
QwtSymbol(QwtSymbol.Diamond, QBrush(Qt.yellow), QPen(Qt.green),
QSize(7, 7)))
m.attach(self)
# text marker
m = QwtPlotMarker()
m.setValue(0.1, -20.0)
m.setLabelAlignment(Qt.AlignRight | Qt.AlignBottom)
text = QwtText('[1-(\u03c9/\u03c9<sub>0</sub>)<sup>2</sup>+2j\u03c9/Q]'
'<sup>-1</sup>')
text.setFont(QFont(fn, 12, QFont.Bold))
text.setColor(Qt.blue)
text.setBackgroundBrush(QBrush(Qt.yellow))
text.setBorderPen(QPen(Qt.red, 2))
m.setLabel(text)
m.attach(self)
self.setDamp(0.01)
self.show()
QApplication.processEvents()
self.setCentralWidget(tabs)
pts = 1000
for points, symbols in zip((pts / 10, pts / 10, pts, pts),
(True, False) * 2):
t0 = time.time()
widget = CSWidget(points, symbols)
symtext = "with%s symbols" % ("" if symbols else "out")
title = '%d points, %s' % (points, symtext)
tabs.addTab(widget, title)
tabs.setCurrentWidget(widget)
# Force widget to refresh (for test purpose only)
QApplication.processEvents()
time_str = "Elapsed time: %d ms" % ((time.time() - t0) * 1000)
widget.text.setText(time_str)
tabs.setCurrentIndex(0)
if __name__ == '__main__':
app = QApplication([])
for name in ('Calibri', 'Verdana', 'Arial'):
if name in QFontDatabase().families():
app.setFont(QFont(name))
break
demo = BMDemo(100000)
app.exec_()
def __init__(self, *args):
if len(args) == 0:
title, parent = "", None
elif len(args) == 1:
if isinstance(args[0], QWidget) or args[0] is None:
title = ""
parent, = args
else:
title, = args
parent = None
elif len(args) == 2:
title, parent = args
else:
raise TypeError("%s() takes 0, 1 or 2 argument(s) (%s given)"\
% (self.__class__.__name__, len(args)))
QwtPlotDict.__init__(self)
QFrame.__init__(self, parent)
self.__layout_state = None
self.__data = QwtPlot_PrivateData()
from qwt.plot_layout import QwtPlotLayout
self.__data.layout = QwtPlotLayout()
self.__data.autoReplot = False
self.setAutoReplot(True)
# self.setPlotLayout(self.__data.layout)
# title
self.__data.titleLabel = QwtTextLabel(self)
self.__data.titleLabel.setObjectName("QwtPlotTitle")
self.__data.titleLabel.setFont(QFont(self.fontInfo().family(), 14,
QFont.Bold))
text = QwtText(title)
text.setRenderFlags(Qt.AlignCenter|Qt.TextWordWrap)
self.__data.titleLabel.setText(text)
# footer
self.__data.footerLabel = QwtTextLabel(self)
self.__data.footerLabel.setObjectName("QwtPlotFooter")
footer = QwtText()
footer.setRenderFlags(Qt.AlignCenter|Qt.TextWordWrap)
self.__data.footerLabel.setText(footer)
# legend
self.__data.legend = None
# axis
self.__axisData = []
self.initAxesData()
# canvas
self.__data.canvas = QwtPlotCanvas(self)
self.__data.canvas.setObjectName("QwtPlotCanvas")
self.__data.canvas.installEventFilter(self)
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
self.resize(200, 200)
focusChain = [self, self.__data.titleLabel, self.axisWidget(self.xTop),
self.axisWidget(self.yLeft), self.__data.canvas,
self.axisWidget(self.yRight),
self.axisWidget(self.xBottom), self.__data.footerLabel]
for idx in range(len(focusChain)-1):
qwtSetTabOrder(focusChain[idx], focusChain[idx+1], False)
qwtEnableLegendItems(self, True)