PyQT5 draw and save image

As an option :)

import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import * class Drawer(QWidget): def __init__(self, parent=None): QWidget.__init__(self, parent) self.setAttribute(Qt.WA_StaticContents) h = 400 w = 400 self.myPenWidth = 10 self.myPenColor = Qt.blue self.image = QImage(w, h, QImage.Format_RGB32) self.path = QPainterPath() self.clearImage() def setPenColor(self, newColor): self.myPenColor = newColor def setPenWidth(self, newWidth): self.myPenWidth = newWidth def clearImage(self): self.path = QPainterPath() self.image.fill(Qt.white) self.update() def saveImage(self, fileName, fileFormat): self.image.save(fileName, fileFormat) def paintEvent(self, event): painter = QPainter(self) painter.drawImage(event.rect(), self.image, self.rect()) def mousePressEvent(self, event): self.path.moveTo(event.pos()) def mouseMoveEvent(self, event): self.path.lineTo(event.pos()) p = QPainter(self.image) p.setPen(QPen(self.myPenColor, self.myPenWidth, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin)) p.drawPath(self.path) p.end() self.update() def sizeHint(self): return QSize(300, 300) if __name__ == '__main__': app = QApplication(sys.argv) w = QWidget() btnSave = QPushButton("Сохранить изображение -> image.png") btnClear = QPushButton("Очистить холст") drawer = Drawer() w.setLayout(QVBoxLayout()) w.layout().addWidget(btnSave) w.layout().addWidget(btnClear) w.layout().addWidget(drawer) btnSave.clicked.connect(lambda: drawer.saveImage("image.png", "PNG")) btnClear.clicked.connect(drawer.clearImage) w.show() sys.exit(app.exec_())