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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <qqmlextensionplugin.h>
#include <qqmlengine.h>
#include <qquickimageprovider.h>
#include <QImage>
#include <QPainter>
#include <QDebug>
class ColorImageProvider : public QQuickImageProvider
{
public:
ColorImageProvider()
: QQuickImageProvider(QQuickImageProvider::Pixmap)
{
}
QPixmap requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
{
int width = 50;
int height = 50;
QPixmap pixmap(requestedSize.width() > 0 ? requestedSize.width() : width,
requestedSize.height() > 0 ? requestedSize.height() : height);
if (size)
*size = QSize(pixmap.width(), pixmap.height());
pixmap.fill(QColor(id).rgba());
// draw lines on even y offsets
QPainter p(&pixmap);
for (int y = 0; y < pixmap.height(); y+=2) {
p.drawLine(0, y, pixmap.width(), y);
}
return pixmap;
}
};
class ImageProviderExtensionPlugin : public QQmlExtensionPlugin
{
Q_OBJECT
Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
public:
void registerTypes(const char *uri)
{
Q_UNUSED(uri);
}
void initializeEngine(QQmlEngine *engine, const char *uri)
{
Q_UNUSED(uri);
engine->addImageProvider("colors", new ColorImageProvider);
}
};
#include "imageprovider.moc"
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