def paintAxes(self, painter, rect):
low = int(math.ceil(self.vmin))
hi = int(math.floor(self.vmax)) + 1
pen = painter.pen()
pen.setStyle(Qt.SolidLine)
pen.setColor(self.line_color)
painter.setPen(pen)
fm = QtGui.QFontMetrics(painter.font())
fw = fm.averageCharWidth()
fh = fm.height() - 2
x0 = rect.left()
x1 = rect.right()
y0 = rect.bottom()
y1 = y0 + 4
lastx = x0
# horizontal axis
for tick in range(low, hi):
s = str(tick)
w = fw * len(s)
x = x0 + w / 2 + rect.width() * (
tick - self.vmin) / float(self.vmax - self.vmin)
if x - lastx > w + 2 * fw:
painter.drawLine(x, y0, x, y1)
painter.drawText(x - w / 2, y1 + fh - 2, s)
lastx = x
#vertical axis
x1 = rect.left()
lasty = y0
for tick in range(1, 10):
t = tick / 10.0
y = y0 - self.alphaToY(t) * rect.height()
if lasty - y > fh and y > 2 * fh:
painter.drawLine(x1 - 5, y, x1, y)
painter.drawText(x1 - 5 - 3 * fw, y - 2 + fh / 2, str(t))
lasty = y
# text boxes
self.text_boxes["vmin"] = self.paintValueBox(painter, fm, rect.left(),
y1 + fh, False, self.vmin)
self.text_boxes["vmax"] = self.paintValueBox(painter, fm, rect.right(),
y1 + fh, True, self.vmax)
self.text_boxes["amax"] = self.paintValueBox(painter,
fm,
x0 - 4 * fw,
2 + fh,
False,
self.amax,
format="%.2f")
def update_qt_font(self):
"""
Updates the font of the PyMod Qt main window.
"""
self.qfont = QtGui.QFont(self.font, self.font_size)
self.fm = QtGui.QFontMetrics(self.qfont)
