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Diffstat (limited to 'examples/widgets/itemviews/pixelator/pixeldelegate.cpp')
-rw-r--r-- | examples/widgets/itemviews/pixelator/pixeldelegate.cpp | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/examples/widgets/itemviews/pixelator/pixeldelegate.cpp b/examples/widgets/itemviews/pixelator/pixeldelegate.cpp deleted file mode 100644 index dc8736c836..0000000000 --- a/examples/widgets/itemviews/pixelator/pixeldelegate.cpp +++ /dev/null @@ -1,115 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "pixeldelegate.h" - -#include <QPainter> - -//! [0] -PixelDelegate::PixelDelegate(QObject *parent) - : QAbstractItemDelegate(parent), pixelSize(12) -{} -//! [0] - -//! [1] -void PixelDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, - const QModelIndex &index) const -{ -//! [2] - if (option.state & QStyle::State_Selected) - painter->fillRect(option.rect, option.palette.highlight()); -//! [1] - -//! [3] - const int size = qMin(option.rect.width(), option.rect.height()); -//! [3] //! [4] - const int brightness = index.model()->data(index, Qt::DisplayRole).toInt(); - const double radius = (size / 2.0) - (brightness / 255.0 * size / 2.0); - if (qFuzzyIsNull(radius)) - return; -//! [4] - -//! [5] - painter->save(); -//! [5] //! [6] - painter->setRenderHint(QPainter::Antialiasing, true); -//! [6] //! [7] - painter->setPen(Qt::NoPen); -//! [7] //! [8] - if (option.state & QStyle::State_Selected) -//! [8] //! [9] - painter->setBrush(option.palette.highlightedText()); - else -//! [2] - painter->setBrush(option.palette.text()); -//! [9] - -//! [10] - painter->drawEllipse(QRectF(option.rect.x() + option.rect.width() / 2 - radius, - option.rect.y() + option.rect.height() / 2 - radius, - 2 * radius, 2 * radius)); - painter->restore(); -} -//! [10] - -//! [11] -QSize PixelDelegate::sizeHint(const QStyleOptionViewItem & /* option */, - const QModelIndex & /* index */) const -{ - return QSize(pixelSize, pixelSize); -} -//! [11] - -//! [12] -void PixelDelegate::setPixelSize(int size) -{ - pixelSize = size; -} -//! [12] |