PySide2のQPainterで半透明の四角形を。
成果物
コード
main.py
from PySide2 import QtCore, QtGui, QtWidgets import sys class Painter(QtWidgets.QWidget): def paintEvent(self, event): painter = QtGui.QPainter(self) painter.begin(self) painter.setBrush(QtCore.Qt.lightGray) painter.setPen(QtCore.Qt.NoPen) painter.drawRect(self.rect()) painter.setBrush(QtGui.QColor(255, 0, 0, 85)) painter.drawRect(10, 10, 80, 80) painter.setBrush(QtGui.QColor(0, 255, 0, 85)) painter.drawRect(30, 30, 80, 80) application = QtWidgets.QApplication(sys.argv) window = Painter() window.setWindowFlags(QtCore.Qt.Window) window.resize(160,120) window.show() sys.exit(application.exec_())
python3 main.py
所感
このQPainterを使えば他にも基本図形や文字が書けるっぽい。
というか、PySDL2よりPySide2のほうがAPIもDocumentも豊富だな。ゲームもPySide2で書けるのでは?
対象環境
- Raspbierry pi 4 Model B
- Raspbian buster 10.0 2019-09-26 ※
- bash 5.0.3(1)-release
$ uname -a Linux raspberrypi 4.19.97-v7l+ #1294 SMP Thu Jan 30 13:21:14 GMT 2020 armv7l GNU/Linux