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Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_graphicsview_qgraphicsview.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_graphicsview_qgraphicsview.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_graphicsview_qgraphicsview.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_graphicsview_qgraphicsview.cpp new file mode 100644 index 000000000..5a1c7bb7d --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_graphicsview_qgraphicsview.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation 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] +scene = QGraphicsScene() +scene.addText("Hello, world!") + +view = QGraphicsView(scene) +view.show() +//! [0] + + +//! [1] +scene = QGraphicsScene() +scene.addRect(QRectF(-10, -10, 20, 20)) + +view = QGraphicsView(scene) +view.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform) +view.show() +//! [1] + + +//! [2] +view = QGraphicsView() +view.setBackgroundBrush(QImage(":/images/backgroundtile.png")) +view.setCacheMode(QGraphicsView.CacheBackground) +//! [2] + + +//! [3] +scene = QGraphicsScene() +scene.addText("GraphicsView rotated clockwise") + +view = QGraphicsView(scene) +view.rotate(90) # the text is rendered with a 90 degree clockwise rotation +view.show() +//! [3] + + +//! [4] +scene = QGraphicsScene() +scene.addItem(... +... + +view = QGraphicsView(scene) +view.show() +... + +printer = QPrinter(QPrinter.HighResolution) +printer.setPageSize(QPrinter.A4) +painter = QPainter(printer) + +# print, fitting the viewport contents into a full page +view.render(painter) + +# print the upper half of the viewport into the lower. +# half of the page. +viewport = view.viewport()->rect() +view.render(painter, + QRectF(0, printer.height() / 2, + printer.width(), printer.height() / 2), + viewport.adjusted(0, 0, 0, -viewport.height() / 2)) + +//! [4] + + +//! [5] +def mousePressEvent(self, event): + print "There are", items(event->pos()).size(), "items at position", mapToScene(event->pos()) +//! [5] + + +//! [6] +def mousePressEvent(self, event): + if (item = itemAt(event.pos()): + print "You clicked on item", item + else: + print "You didn't click on an item." +//! [6] + + +//! [7] +scene = QGraphicsScene() +scene.addText("GraphicsView rotated clockwise") + +view = QGraphicsView(scene) +view.rotate(90) # the text is rendered with a 90 degree clockwise rotation +view.show() +//! [7] |