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Diffstat (limited to 'sources/pyside6/doc/codesnippets/doc/src/snippets/transform/main.cpp')
-rw-r--r-- | sources/pyside6/doc/codesnippets/doc/src/snippets/transform/main.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/sources/pyside6/doc/codesnippets/doc/src/snippets/transform/main.cpp b/sources/pyside6/doc/codesnippets/doc/src/snippets/transform/main.cpp new file mode 100644 index 000000000..325ea1c7e --- /dev/null +++ b/sources/pyside6/doc/codesnippets/doc/src/snippets/transform/main.cpp @@ -0,0 +1,110 @@ +############################################################################ +## +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the examples of Qt for Python. +## +## $QT_BEGIN_LICENSE:BSD$ +## 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] + + |