main.cpp - mozsearch

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// Copyright (C) 2019 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#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"