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/****************************************************************************
**
** Copyright (C) 2016 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 QSGDISTANCEFIELDGLYPHNODE_P_H
#define QSGDISTANCEFIELDGLYPHNODE_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 <private/qsgadaptationlayer_p.h>
#include <QtQuick/qsgtexture.h>
#include <QtQuick/private/qquicktext_p.h>
QT_BEGIN_NAMESPACE
class QSGRenderContext;
class QSGDistanceFieldTextMaterial;
class QSGDistanceFieldGlyphNode: public QSGGlyphNode, public QSGDistanceFieldGlyphConsumer
{
public:
QSGDistanceFieldGlyphNode(QSGRenderContext *context);
~QSGDistanceFieldGlyphNode();
QPointF baseLine() const override { return m_baseLine; }
void setGlyphs(const QPointF &position, const QGlyphRun &glyphs) override;
void setColor(const QColor &color) override;
void setPreferredAntialiasingMode(AntialiasingMode mode) override;
void setStyle(QQuickText::TextStyle style) override;
void setStyleColor(const QColor &color) override;
void update() override;
void preprocess() override;
void invalidateGlyphs(const QVector<quint32> &glyphs) override;
void updateGeometry();
private:
enum DistanceFieldGlyphNodeType {
RootGlyphNode,
SubGlyphNode
};
void setGlyphNodeType(DistanceFieldGlyphNodeType type) { m_glyphNodeType = type; }
void updateMaterial();
DistanceFieldGlyphNodeType m_glyphNodeType;
QColor m_color;
QPointF m_baseLine;
QSGRenderContext *m_context;
QSGDistanceFieldTextMaterial *m_material;
QPointF m_originalPosition;
QPointF m_position;
QGlyphRun m_glyphs;
QSGDistanceFieldGlyphCache *m_glyph_cache;
QSGGeometry m_geometry;
QQuickText::TextStyle m_style;
QColor m_styleColor;
AntialiasingMode m_antialiasingMode;
QRectF m_boundingRect;
const QSGDistanceFieldGlyphCache::Texture *m_texture;
struct GlyphInfo {
QVector<quint32> indexes;
QVector<QPointF> positions;
};
QSet<quint32> m_allGlyphIndexesLookup;
uint m_dirtyGeometry: 1;
uint m_dirtyMaterial: 1;
};
QT_END_NAMESPACE
#endif
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