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/****************************************************************************
**
** Copyright (C) 2019 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 QSGRHITEXTUREGLYPHCACHE_P_H
#define QSGRHITEXTUREGLYPHCACHE_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 <QtGui/private/qtextureglyphcache_p.h>
#include <QtGui/private/qrhi_p.h>
QT_BEGIN_NAMESPACE
class QSGRhiTextureGlyphCache : public QImageTextureGlyphCache
{
public:
QSGRhiTextureGlyphCache(QRhi *rhi, QFontEngine::GlyphFormat format, const QTransform &matrix,
const QColor &color = QColor());
~QSGRhiTextureGlyphCache();
void createTextureData(int width, int height) override;
void resizeTextureData(int width, int height) override;
void beginFillTexture() override;
void fillTexture(const Coord &c, glyph_t glyph, QFixed subPixelPosition) override;
void endFillTexture() override;
int glyphPadding() const override;
int maxTextureWidth() const override;
int maxTextureHeight() const override;
QRhiTexture *texture() const { return m_texture; }
void commitResourceUpdates(QRhiResourceUpdateBatch *mergeInto);
int width() const { return m_size.width(); }
int height() const { return m_size.height(); }
bool eightBitFormatIsAlphaSwizzled() const;
private:
void prepareGlyphImage(QImage *img);
QRhiTexture *createEmptyTexture(QRhiTexture::Format format);
QRhi *m_rhi;
bool m_resizeWithTextureCopy;
QRhiResourceUpdateBatch *m_resourceUpdates = nullptr;
QRhiTexture *m_texture = nullptr;
QSize m_size;
bool m_bgra = false;
QVector<QRhiTextureUploadEntry> m_uploads;
QSet<QRhiTexture *> m_pendingDispose;
};
QT_END_NAMESPACE
#endif // QSGRHITEXTUREGLYPHCACHE_P_H
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