def drawLegend(self, painter):
rect = self.getRectPlotter()
painter.save()
fontMetricsF = QFontMetricsF(self._fontLegend)
painter.setFont(self._fontLegend)
rect_legend = QRect(rect.left(), rect.top() - fontMetricsF.height(), fontMetricsF.width(self._legend) + 10,
fontMetricsF.height())
painter.drawText(rect_legend, self._legend)
painter.rectore()
def drawTitle(self, painter):
rect = self.getRectPlotter()
painter.save()
fontMetricsF = QFontMetricsF(self._fontTitle)
painter.setFont(self._fontTitle)
title = self._date.toString('dd.MM.yyyy')
rect_title = QRect(rect.left() + (rect.width() / 2) - (fontMetricsF.width(title) / 2),
rect.top() - fontMetricsF.height(), fontMetricsF.width(self._legend) + 10,
fontMetricsF.height())
painter.drawText(rect_title, self._legend)
painter.rectore()
def drawTitleY(self, painter):
rect = self.getRectPlotter()
painter.save()
fontMetricsF = QFontMetricsF(self._fontTitleY)
painter.setFont(self._fontTitleY)
rect_titley = QRect(-(rect.top() + (rect.height() / 2) + (fontMetricsF.width(self._titleY) / 2)),
(rect.left() / 2) - fontMetricsF.height(),
fontMetricsF.width(self._titleY),
fontMetricsF.height())
painter.rotate(-90)
painter.drawText(rect_titley, self._legend)
painter.rectore()
def drawGridX(self, painter):
rect = self.getRectPlotter()
if not rect.isValid():
return
painter.save()
painter.setFont(self._fontGrid)
painter.setPen(QPen(Qt.black))
painter.setBrush(Qt.NoBrush)
# Axis ticks
dxmsec = rect.width() / self._plotterScale.Scale.X.span()
fontMetricsF = QFontMetricsF(self._fontGrid)
index = findIndex(fontMetricsF.width(' 00:00 ') / dxmsec, BasePlotter._mSecs_for_grid)
msec0 = self._plotterScale.Scale.X.Min
offset = findOffset(msec0, BasePlotter._mSecs_for_grid[index])
dx = dxmsec * BasePlotter._mSecs_for_grid[index]
step = BasePlotter._mSecs_for_grid[index]
for x in numpy.arange(rect.left() - dxmsec * offset, rect.right(), dx):
if x < rect.left():
continue
painter.save()
heightTick = 3
datetimelabel = QDateTime.fromMSecsSinceEpoch(msec0, Qt.UTC)
if step >= 60000: # больше минуты
if step >= 86400000: # больше суток
label = datetimelabel.toString('dd.MM.yy')
if datetimelabel.time().minute() == 0:
heightTick = 8
painter.setPen(Qt.SolidLine)
else:
t0 = QDateTime.fromMSecsSinceEpoch(self._plotterScale.Scale.X.Min, Qt.UTC)
t1 = QDateTime.fromMSecsSinceEpoch(self._plotterScale.Scale.X.Max, Qt.UTC)
if (datetimelabel.time().hour() == 0 and datetimelabel.time().minute() == 0) and (
t1.date() > t0.date()): # Метка даты. Появляется,если листаем график между днями
font = QFont(painter.font().family(), painter.font().pointSize())
font.setBold(True)
painter.setFont(font)
label = datetimelabel.toString('dd.MM.yy')
else:
label = datetimelabel.toString('hh:mm')
if datetimelabel.time().minute() == 0:
heightTick = 8
painter.setPen(Qt.SolidLine)
if datetimelabel.time().minute() == 30:
heightTick = 6
painter.setPen(Qt.DashLine)
if datetimelabel.time().minute() == 15 or datetimelabel.time().minute() == 45:
heightTick = 4
painter.setPen(Qt.DashLine)
else:
label = datetimelabel.time().toString('hh:mm:ss')
painter.drawLine(x, rect.bottom(), x, rect.top())
rect_label = QRectF(x - fontMetricsF.width(label) / 2, rect.bottom() + heightTick,
fontMetricsF.width(label), 2 * fontMetricsF.height())
painter.drawLine(x, rect.bottom() - heightTick, x, rect.bottom() + heightTick)
painter.drawText(rect_label, label)
msec0 += step
painter.restore()
painter.restore()
