def paint_page(painter, page, page_rect):
"""
Given a `painter` and a `page` (a widget presumably created parsing a
wreport), renders the widget on the painter and returns a QPicture.
"""
# make qwidget output vectorial, rendering directly on a printer
# results in a raster image in the pdf
page_pic = QPicture()
wpainter = QPainter(page_pic)
# set the BoundingRect of page_pic and the page size to page_rect
page_pic.setBoundingRect(page_rect.toRect())
page.resize(page_rect.toRect().width(), page_rect.toRect().height())
page.render(wpainter, flags=QWidget.DrawChildren)
wpainter.end()
painter.drawPicture(0, 0, page_pic)
return page_pic
from PyQt5.QtCore import QRect, QRectF, QSizeF, QPointF, Qt
from PyQt5.QtGui import QPainter, QPicture, QFont, QColor
from PyQt5.QtWidgets import QApplication, QLabel
def drawNode(painter, angle, radius, text):
size = 32767.0;
painter.save();
painter.rotate(-angle);
painter.translate(radius, 0);
painter.drawText(QRectF(0, -size/2.0, size, size), Qt.AlignVCenter, text);
painter.restore();
if __name__ == "__main__":
app = QApplication(sys.argv)
pic = QPicture()
pic.setBoundingRect(QRect(-100, -100, 200, 200))
p = QPainter(pic)
p.drawEllipse(0, 0, 3, 3)
p.setFont(QFont("Helvetica", 25))
for angle in range(0, 359, 30):
drawNode(p, angle, 50, str(angle))
p.end()
l = QLabel()
l.setPicture(pic);
l.show();
sys.exit(app.exec_())