Christian Ehrlicher b08c3af998 QImageReader test: add test image to qrc file
Add the test image to the qrc to make sure the image is available no
matter where the test is executed.

Pick-to: 6.6
Fixes: QTBUG-120732
Change-Id: I24de59fd88fdc2a3317c91ac28cf81fd5511455f
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
(cherry picked from commit 076026fd60dfa399158498e42ee1b5000174c65e)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2024-01-17 01:12:03 +00:00

67 lines
1.7 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QWidget>
#include <QHBoxLayout>
#include <QApplication>
#include <QPainter>
#include <QImage>
#include <QImageReader>
class MyWidget : public QWidget
{
public:
MyWidget(QWidget * parent, const QString &imagefname, bool scaleImage)
: QWidget(parent), fileName(imagefname), scale(scaleImage)
{
}
void paintEvent(QPaintEvent * /*event*/) override
{
QPainter painter(this);
QImageReader reader(fileName);
if (!reader.canRead()) {
qWarning("Unable to read image file %s", fileName.toLocal8Bit().constData());
return;
}
if (!scale){
QImage image = reader.read();
painter.drawImage(rect(), image);
}else{
reader.setScaledSize( QSize(rect().width(), rect().height()) );
QImage image = reader.read();
painter.drawImage(rect(), image);
}
}
private:
QString fileName;
bool scale;
};
// both the scaled and unscaled version of the CMYK encoded JPEG
// should have the same colors and not look corrupted.
int main(int argc, char** argv)
{
QApplication app(argc, argv);
QWidget mainWidget;
mainWidget.setWindowTitle("Colors in images are identical?");
mainWidget.setMinimumSize(400,400);
QHBoxLayout *l = new QHBoxLayout;
MyWidget *w1 = new MyWidget(&mainWidget,":/Qt_logostrap_CMYK.jpg", false);
MyWidget *w2 = new MyWidget(&mainWidget,":/Qt_logostrap_CMYK.jpg", true);
l->addWidget(w1);
l->addWidget(w2);
mainWidget.setLayout(l);
mainWidget.show();
return app.exec();
}