6f4bc3942d
Cleanup GraphicsView examples with the help of clang-tidy - modernize-use-nullptr - modernize-use-default-member-init - modernize-use-override.IgnoreDestructors - Some QList -> QVector changes - use nullptr - use normalized includes, remove unused includes - fix style Change-Id: I79347e55bfde52f6ae7749cc7093fbd442044020 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
109 lines
3.9 KiB
C++
109 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "flippablepad.h"
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#include <QDirIterator>
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//! [0]
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static QRectF boundsFromSize(const QSize &size)
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{
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return QRectF((-size.width() / 2.0) * 150, (-size.height() / 2.0) * 150,
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size.width() * 150, size.height() * 150);
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}
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//! [0]
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//! [1]
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static QPointF posForLocation(int column, int row, const QSize &size)
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{
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return QPointF(column * 150, row * 150)
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- QPointF((size.width() - 1) * 75, (size.height() - 1) * 75);
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}
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//! [1]
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//! [2]
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FlippablePad::FlippablePad(const QSize &size, QGraphicsItem *parent)
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: RoundRectItem(boundsFromSize(size), QColor(226, 255, 92, 64), parent)
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{
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//! [2]
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//! [3]
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int numIcons = size.width() * size.height();
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QVector<QPixmap> pixmaps;
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QDirIterator it(":/images", {"*.png"});
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while (it.hasNext() && pixmaps.size() < numIcons)
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pixmaps << it.next();
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//! [3]
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//! [4]
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const QRectF iconRect(-54, -54, 108, 108);
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const QColor iconColor(214, 240, 110, 128);
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iconGrid.resize(size.height());
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int n = 0;
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for (int y = 0; y < size.height(); ++y) {
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iconGrid[y].resize(size.width());
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for (int x = 0; x < size.width(); ++x) {
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RoundRectItem *rect = new RoundRectItem(iconRect, iconColor, this);
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rect->setZValue(1);
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rect->setPos(posForLocation(x, y, size));
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rect->setPixmap(pixmaps.at(n++ % pixmaps.size()));
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iconGrid[y][x] = rect;
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}
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}
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}
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//! [4]
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//! [5]
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RoundRectItem *FlippablePad::iconAt(int column, int row) const
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{
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return iconGrid[row][column];
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}
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//! [5]
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