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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtCore/QUrl>
#include <QtCore/QDebug>
#include <QtGui/QGuiApplication>
#include <QtQml/QQmlApplicationEngine>
#include <QtQml/qqml.h>
#include <QtQml/QQmlEngine>
#include <QtGui/QPainter>
#include <QtGui/QImage>
#include <QtCore/QDateTime>
#include "QtWaylandCompositor/private/qwltexturesharingextension_p.h"
#ifndef GL_RGBA8
#define GL_RGBA8 0x8058
#endif
class CustomSharingExtension : public QWaylandTextureSharingExtension
{
Q_OBJECT
public:
CustomSharingExtension() {qDebug("Instantiating custom texture sharing extension.");}
protected:
bool customPixelData(const QString &key, QByteArray *data, QSize *size, uint *glInternalFormat) override
{
qDebug() << "CustomSharingExtension looking for local texture data for" << key;
if (key.startsWith("unreasonably large ")) {
int w = 10000;
int h = 10000;
int numBytes = w * h * 4;
*data = QByteArray(numBytes, 0);
quint32 *pixels = reinterpret_cast<quint32*>(data->data());
for (int i = 0; i < w*h; ++i)
pixels[i] = 0xff7f1fff;
*glInternalFormat = GL_RGBA8;
*size = QSize(w,h);
return true;
}
QImage img;
if (key == QLatin1String("test pattern 1")) {
img = QImage(128,128,QImage::Format_ARGB32_Premultiplied);
img.fill(QColor(0x55,0x0,0x55,0x01));
{
QPainter p(&img);
QPen pen = p.pen();
pen.setWidthF(3);
pen.setColor(Qt::red);
p.setPen(pen);
p.drawLine(0,0,128,128);
pen.setColor(Qt::green);
p.setPen(pen);
p.drawLine(128,0,0,128);
pen.setColor(Qt::blue);
p.setPen(pen);
p.drawLine(32,16,96,16);
pen.setColor(Qt::black);
p.setPen(pen);
p.translate(64, 64);
p.rotate(45);
p.drawText(QRect(-48, -32, 96, 64),
QDateTime::currentDateTime().toString(),
QTextOption(Qt::AlignHCenter));
}
}
if (!img.isNull()) {
img = img.convertToFormat(QImage::Format_RGBA8888);
*data = QByteArray(reinterpret_cast<const char*>(img.constBits()), img.sizeInBytes());
*size = img.size();
*glInternalFormat = GL_RGBA8;
return true;
}
return false;
}
};
Q_COMPOSITOR_DECLARE_QUICK_EXTENSION_CLASS(CustomSharingExtension);
int main(int argc, char *argv[])
{
QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
QGuiApplication app(argc, argv);
QQmlApplicationEngine appEngine;
qmlRegisterType<CustomSharingExtensionQuickExtension>("io.qt.tests.customsharingextension", 1, 0, "CustomSharingExtension");
appEngine.addImageProvider("wlshared", new QWaylandSharedTextureProvider);
appEngine.load(QUrl("qrc:///qml/main.qml"));
return app.exec();
}
#include "main.moc"
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