/qtcurve-test.py Secret
Created
September 15, 2013 21:06
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#!/usr/bin/env python | |
# from PyQt4.Qt import * | |
# from PyQt4.QtCore import * | |
# from PyQt4.QtGui import * | |
from PyQt5.Qt import * | |
from PyQt5.QtCore import * | |
from PyQt5.QtGui import * | |
from PyQt5.QtWidgets import * | |
def createPixmap(): | |
polygon = QPolygon() | |
polygon << QPoint(70, -351) << QPoint(170, -251) << QPoint(503, -19) \ | |
<< QPoint(503, 217) | |
image = QImage(800, 300, QImage.Format_RGB32) | |
painter = QPainter(image) | |
painter.setPen(QPen(Qt.white, 2)) | |
painter.drawPolyline(polygon) | |
painter.setPen(QPen(Qt.red, 0)) | |
painter.drawPolyline(polygon) | |
painter.end() | |
return QPixmap.fromImage(image) | |
def rotate(p, angle): | |
transform = QTransform() | |
transform.rotate(angle) | |
return transform.map(p) | |
def createPixmap2(): | |
a = QPolygon() | |
# a.setPoints([2, 0, 0, -2, | |
# -2, 0, -2, 1, | |
# 0, -1, 2, 1]) | |
m = 0 | |
a.setPoints([3 + m, 1 + m, 0, -2, | |
-(3 + m), 1 + m, -(3 + m), 2 + m, | |
-(2 + m), 2 + m, 0, 0, | |
2 + m, 2 + m, 3 + m, 2 + m]) | |
image = QImage(100, 100, QImage.Format_RGB32) | |
image.fill(QColor(Qt.gray).rgb()) | |
for i in range(4): | |
b = rotate(a, 90 * i) | |
b.translate(10 * (i + 1), 10); | |
p = QPainter(image) | |
p.setPen(Qt.black) | |
p.setBrush(Qt.black) | |
p.drawPolyline(b) | |
path = QPainterPath() | |
path.addPolygon(QPolygonF(b)) | |
p.fillPath(path, Qt.black) | |
p.end() | |
return QPixmap.fromImage(image) | |
def main(): | |
import sys | |
app = QApplication(sys.argv) | |
label = QLabel() | |
label.setPixmap(createPixmap2()) | |
label.show() | |
return app.exec_() | |
if __name__ == '__main__': | |
main() |
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