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Diffstat (limited to 'examples/qtconcurrent/map/main.cpp')
-rw-r--r-- | examples/qtconcurrent/map/main.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/examples/qtconcurrent/map/main.cpp b/examples/qtconcurrent/map/main.cpp deleted file mode 100644 index 8fc670b64b..0000000000 --- a/examples/qtconcurrent/map/main.cpp +++ /dev/null @@ -1,82 +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 <QImage> -#include <QList> -#include <QThread> -#include <QDebug> -#include <QGuiApplication> -#include <qtconcurrentmap.h> - -#include <functional> - -int main(int argc, char *argv[]) -{ - QGuiApplication app(argc, argv); - - const int imageCount = 20; - - // Create a list containing imageCount images. - QList<QImage> images; - for (int i = 0; i < imageCount; ++i) - images.append(QImage(1600, 1200, QImage::Format_ARGB32_Premultiplied)); - - std::function<QImage(const QImage&)> scale = [](const QImage &image) -> QImage - { - qDebug() << "Scaling image in thread" << QThread::currentThread(); - return image.scaled(QSize(100, 100), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); - }; - - // Use QtConcurrentBlocking::mapped to apply the scale function to all the - // images in the list. - QList<QImage> thumbnails = QtConcurrent::blockingMapped(images, scale); - - return 0; -} |