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Diffstat (limited to 'examples/qtconcurrent/map/main.cpp')
-rw-r--r-- | examples/qtconcurrent/map/main.cpp | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/examples/qtconcurrent/map/main.cpp b/examples/qtconcurrent/map/main.cpp deleted file mode 100644 index c4a19c22f4..0000000000 --- a/examples/qtconcurrent/map/main.cpp +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright (C) 2016 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#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; -} |