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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/matrix/matrix.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/matrix/matrix.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/matrix/matrix.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/matrix/matrix.cpp new file mode 100644 index 000000000..c0512f538 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/matrix/matrix.cpp @@ -0,0 +1,112 @@ +############################################################################ +## +## 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, "QMatrix") +//! [0] + + +//! [1] +def paintEvent(self, event) + + painter = QPainter(self) + painter.setPen(QPen(Qt.blue, 1, Qt.DashLine)) + painter.drawRect(0, 0, 100, 100) + + matrix = QMatrix() + matrix.translate(50, 50) + matrix.rotate(45) + matrix.scale(0.5, 1.0) + painter.setMatrix(matrix) + + painter.setFont(QFont("Helvetica", 24)) + painter.setPen(QPen(Qt.black, 1)) + painter.drawText(20, 10, "QMatrix") + +//! [1] + + +//! [2] +def paintEvent(self, event) + + pi = 3.14 + + a = pi/180 * 45.0 + sina = sin(a) + cosa = cos(a) + + translationMatrix = QMatrix(1, 0, 0, 1, 50.0, 50.0) + rotationMatrix = QMatrix(cosa, sina, -sina, cosa, 0, 0) + scalingMatrix = QMatrix(0.5, 0, 0, 1.0, 0, 0) + + matrix = QMatrix() + matrix = scalingMatrix * rotationMatrix * translationMatrix + + painter = QPainter(self) + painter.setPen(QPen(Qt.blue, 1, Qt::DashLine)) + painter.drawRect(0, 0, 100, 100) + + painter.setMatrix(matrix) + + painter.setFont(QFont("Helvetica", 24)) + painter.setPen(QPen(Qt.black, 1)) + painter.drawText(20, 10, "QMatrix") + +//! [2] + |