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+############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the examples of PySide2.
+##
+## $QT_BEGIN_LICENSE:BSD$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## BSD License Usage
+## Alternatively, 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."
+##
+## $QT_END_LICENSE$
+##
+############################################################################
+
+
+//! [0]
+def paintEvent(self, event)
+ painter = QPainter(self)
+ painter.setPen(QPen(Qt.blue, 1, Qt.DashLine))
+ painter.drawRect(0, 0, 100, 100)
+
+ painter.rotate(45)
+
+ painter.setFont(QFont("Helvetica", 24))
+ painter.setPen(QPen(Qt.black, 1))
+ painter.drawText(20, 10, "QTransform")
+//! [0]
+
+//! [1]
+def paintEvent(self, event)
+ painter = QPainter(self)
+ painter.setPen(QPen(Qt.blue, 1, Qt.DashLine))
+ painter.drawRect(0, 0, 100, 100)
+
+ transform = QTransform()
+ transform.translate(50, 50)
+ transform.rotate(45)
+ transform.scale(0.5, 1.0)
+ painter.setTransform(transform)
+
+ painter.setFont(QFont("Helvetica", 24))
+ painter.setPen(QPen(Qt.black, 1))
+ painter.drawText(20, 10, "QTransform")
+//! [1]
+
+
+//! [2]
+def paintEvent(self, event)
+ pi = 3.14
+
+ a = pi/180 * 45.0
+ sina = sin(a)
+ cosa = cos(a)
+
+ translationTransform = QTransform(1, 0, 0, 1, 50.0, 50.0)
+ rotationTransform = QTransform(cosa, sina, -sina, cosa, 0, 0)
+ scalingTransform = QTransform(0.5, 0, 0, 1.0, 0, 0)
+
+ transform = QTransform()
+ transform = scalingTransform * rotationTransform * translationTransform
+
+ painter = QPainter(self)
+ painter.setPen(QPen(Qt.blue, 1, Qt.DashLine))
+ painter.drawRect(0, 0, 100, 100)
+
+ painter.setTransform(transform)
+
+ painter.setFont(QFont("Helvetica", 24))
+ painter.setPen(QPen(Qt.black, 1))
+ painter.drawText(20, 10, "QTransform")
+
+//! [2]
+
+