def generate_svg(self, raw_tex):
fig = Figure(figsize=(5, 4), dpi=300)
canvas = FigureCanvasAgg(fig)
fig.text(.5, .5, r"$" + raw_tex + r"$", fontsize=40)
fig.savefig("output.svg", bbox_inches="tight", facecolor=(1, 1, 1, 0))
self.svg.load("output.svg")
renderer = QSvgRenderer('output.svg').defaultSize()
w = renderer.width()
h = renderer.height()
if w / h > 578 / 200:
display_w = 578
display_h = int(578 * h / w)
else:
display_h = 200
display_w = int(200 * w / h)
self.svg.setFixedWidth(display_w)
self.svg.setFixedHeight(display_h)
self.svg.setGeometry(
QRect(289 - int(display_w / 2), 100 - int(display_h / 2),
display_w, display_h))
