diff options
Diffstat (limited to 'examples/widgets/painting/painter/painter.py')
| -rw-r--r-- | examples/widgets/painting/painter/painter.py | 70 |
1 files changed, 18 insertions, 52 deletions
diff --git a/examples/widgets/painting/painter/painter.py b/examples/widgets/painting/painter/painter.py index 3d5d95f10..2ca078ad9 100644 --- a/examples/widgets/painting/painter/painter.py +++ b/examples/widgets/painting/painter/painter.py @@ -1,42 +1,5 @@ -############################################################################# -## -## Copyright (C) 2021 The Qt Company Ltd. -## Contact: https://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause from PySide6.QtWidgets import ( QWidget, @@ -46,7 +9,7 @@ from PySide6.QtWidgets import ( QStyle, QColorDialog, ) -from PySide6.QtCore import QPoint, Qt, QDir, Slot, QStandardPaths +from PySide6.QtCore import Qt, Slot, QStandardPaths from PySide6.QtGui import ( QMouseEvent, QPaintEvent, @@ -88,10 +51,8 @@ class PainterWidget(QWidget): Paint the Pixmap into the widget """ - painter = QPainter() - painter.begin(self) - painter.drawPixmap(0, 0, self.pixmap) - painter.end() + with QPainter(self) as painter: + painter.drawPixmap(0, 0, self.pixmap) def mousePressEvent(self, event: QMouseEvent): """Override from QWidget @@ -155,15 +116,17 @@ class MainWindow(QMainWindow): self.bar = self.addToolBar("Menu") self.bar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon) self._save_action = self.bar.addAction( - qApp.style().standardIcon(QStyle.SP_DialogSaveButton), "Save", self.on_save + qApp.style().standardIcon(QStyle.SP_DialogSaveButton), # noqa: F821 + "Save", self.on_save ) self._save_action.setShortcut(QKeySequence.Save) self._open_action = self.bar.addAction( - qApp.style().standardIcon(QStyle.SP_DialogOpenButton), "Open", self.on_open + qApp.style().standardIcon(QStyle.SP_DialogOpenButton), # noqa: F821 + "Open", self.on_open ) self._open_action.setShortcut(QKeySequence.Open) self.bar.addAction( - qApp.style().standardIcon(QStyle.SP_DialogResetButton), + qApp.style().standardIcon(QStyle.SP_DialogResetButton), # noqa: F821 "Clear", self.painter_widget.clear, ) @@ -175,7 +138,8 @@ class MainWindow(QMainWindow): self.setCentralWidget(self.painter_widget) - self.set_color(Qt.black) + self.color = Qt.black + self.set_color(self.color) self.mime_type_filters = ["image/png", "image/jpeg"] @@ -214,19 +178,21 @@ class MainWindow(QMainWindow): @Slot() def on_color_clicked(self): - color = QColorDialog.getColor(Qt.black, self) + color = QColorDialog.getColor(self.color, self) + if color: self.set_color(color) def set_color(self, color: QColor = Qt.black): + self.color = color # Create color icon pix_icon = QPixmap(32, 32) - pix_icon.fill(color) + pix_icon.fill(self.color) self.color_action.setIcon(QIcon(pix_icon)) - self.painter_widget.pen.setColor(color) - self.color_action.setText(QColor(color).name()) + self.painter_widget.pen.setColor(self.color) + self.color_action.setText(QColor(self.color).name()) if __name__ == "__main__": |