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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWASMBACKINGSTORE_H
#define QWASMBACKINGSTORE_H
#include <qpa/qplatformbackingstore.h>
#include <QtGui/qimage.h>
#include <emscripten/val.h>
QT_BEGIN_NAMESPACE
class QOpenGLTexture;
class QRegion;
class QWasmCompositor;
class QWasmWindow;
class QWasmBackingStore : public QPlatformBackingStore
{
public:
QWasmBackingStore(QWasmCompositor *compositor, QWindow *window);
~QWasmBackingStore();
QPaintDevice *paintDevice() override;
void beginPaint(const QRegion &) override;
void flush(QWindow *window, const QRegion ®ion, const QPoint &offset) override;
void resize(const QSize &size, const QRegion &staticContents) override;
QImage toImage() const override;
const QImage &getImageRef() const;
emscripten::val getUpdatedWebImage(QWasmWindow *window);
protected:
void updateTexture(QWasmWindow *window);
private:
QWasmCompositor *m_compositor;
QImage m_image;
QRegion m_dirty;
emscripten::val m_webImageDataArray = emscripten::val::undefined();
};
QT_END_NAMESPACE
#endif // QWASMBACKINGSTORE_H
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