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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSGCOMPRESSEDATLASTEXTURE_P_H
+#define QSGCOMPRESSEDATLASTEXTURE_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QSize>
+
+#include <QtGui/qopengl.h>
+
+#include <QtQuick/QSGTexture>
+#include <QtQuick/private/qsgareaallocator_p.h>
+#include <QtQuick/private/qsgatlastexture_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QSGCompressedTextureFactory;
+
+namespace QSGCompressedAtlasTexture {
+
+class Texture;
+
+class Atlas : public QSGAtlasTexture::AtlasBase
+{
+public:
+ Atlas(const QSize &size, uint format);
+ ~Atlas();
+
+ void generateTexture() override;
+ void uploadPendingTexture(int i) override;
+
+ Texture *create(const QByteArray &data, int dataLength, int dataOffset, const QSize &size, const QSize &paddedSize);
+
+ uint format() const { return m_format; }
+
+private:
+ uint m_format;
+};
+
+class Texture : public QSGAtlasTexture::TextureBase
+{
+ Q_OBJECT
+public:
+ Texture(Atlas *atlas, const QRect &textureRect, const QByteArray &data, int dataLength, int dataOffset, const QSize &size);
+ ~Texture();
+
+ QSize textureSize() const override { return m_size; }
+ bool hasAlphaChannel() const override;
+ bool hasMipmaps() const override { return false; }
+
+ QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; }
+
+ QSGTexture *removedFromAtlas() const override;
+
+ const QByteArray &data() const { return m_data; }
+ int sizeInBytes() const { return m_dataLength; }
+ int dataOffset() const { return m_dataOffset; }
+
+private:
+ QRectF m_texture_coords_rect;
+ mutable QSGTexture *m_nonatlas_texture;
+ QByteArray m_data;
+ QSize m_size;
+ int m_dataLength;
+ int m_dataOffset;
+};
+
+}
+
+QT_END_NAMESPACE
+
+#endif