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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "sharebufferextension.h"
#include <QWaylandSurface>
#include <QDebug>
#include <QQuickWindow>
#include <QPainter>
#include <QPen>
ShareBufferExtension::ShareBufferExtension(QWaylandCompositor *compositor)
: QWaylandCompositorExtensionTemplate(compositor)
{
}
void ShareBufferExtension::initialize()
{
QWaylandCompositorExtensionTemplate::initialize();
QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
init(compositor->display(), 1);
}
QtWayland::ServerBuffer *ShareBufferExtension::addImage(const QImage &img)
{
if (!m_server_buffer_integration) {
QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
m_server_buffer_integration = QWaylandCompositorPrivate::get(compositor)->serverBufferIntegration();
if (!m_server_buffer_integration) {
qWarning("Could not find a server buffer integration");
return nullptr;
}
}
QImage image = img.convertToFormat(QImage::Format_RGBA8888);
auto *buffer = m_server_buffer_integration->createServerBufferFromImage(image, QtWayland::ServerBuffer::RGBA32);
m_server_buffers.append(buffer);
return buffer;
}
void ShareBufferExtension::createServerBuffers()
{
QImage image(100,100,QImage::Format_ARGB32_Premultiplied);
image.fill(QColor(0x55,0x0,0x55,0x01));
{
QPainter p(&image);
QPen pen = p.pen();
pen.setWidthF(3);
pen.setColor(Qt::red);
p.setPen(pen);
p.drawLine(0,0,100,100);
pen.setColor(Qt::green);
p.setPen(pen);
p.drawLine(100,0,0,100);
pen.setColor(Qt::blue);
p.setPen(pen);
p.drawLine(25,15,75,15);
}
addImage(image);
QImage image2(":/images/Siberischer_tiger_de_edit02.jpg");
addImage(image2);
m_server_buffers_created = true;
}
void ShareBufferExtension::share_buffer_bind_resource(Resource *resource)
{
if (!m_server_buffers_created)
createServerBuffers();
for (auto *buffer : std::as_const(m_server_buffers)) {
qDebug() << "sending" << buffer << "to client";
struct ::wl_client *client = wl_resource_get_client(resource->handle);
struct ::wl_resource *buffer_resource = buffer->resourceForClient(client);
send_cross_buffer(resource->handle, buffer_resource);
}
}
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