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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QDISTANCEFIELD_H
#define QDISTANCEFIELD_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/qtguiglobal_p.h>
#include <qrawfont.h>
#include <private/qfontengine_p.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qglobal.h>
#include <QLoggingCategory>
QT_BEGIN_NAMESPACE
bool Q_GUI_EXPORT qt_fontHasNarrowOutlines(const QRawFont &f);
bool Q_GUI_EXPORT qt_fontHasNarrowOutlines(QFontEngine *fontEngine);
int Q_GUI_EXPORT QT_DISTANCEFIELD_BASEFONTSIZE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_TILESIZE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_SCALE(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_RADIUS(bool narrowOutlineFont);
int Q_GUI_EXPORT QT_DISTANCEFIELD_HIGHGLYPHCOUNT();
class Q_GUI_EXPORT QDistanceFieldData : public QSharedData
{
public:
QDistanceFieldData() : glyph(0), width(0), height(0), nbytes(0), data(nullptr) {}
QDistanceFieldData(const QDistanceFieldData &other);
~QDistanceFieldData();
static QDistanceFieldData *create(const QSize &size);
static QDistanceFieldData *create(const QPainterPath &path, bool doubleResolution);
glyph_t glyph;
int width;
int height;
int nbytes;
uchar *data;
};
class Q_GUI_EXPORT QDistanceField
{
public:
QDistanceField();
QDistanceField(int width, int height);
QDistanceField(const QRawFont &font, glyph_t glyph, bool doubleResolution = false);
QDistanceField(QFontEngine *fontEngine, glyph_t glyph, bool doubleResolution = false);
QDistanceField(const QPainterPath &path, glyph_t glyph, bool doubleResolution = false);
bool isNull() const;
glyph_t glyph() const;
void setGlyph(const QRawFont &font, glyph_t glyph, bool doubleResolution = false);
void setGlyph(QFontEngine *fontEngine, glyph_t glyph, bool doubleResolution = false);
int width() const;
int height() const;
QDistanceField copy(const QRect &rect = QRect()) const;
inline QDistanceField copy(int x, int y, int w, int h) const
{ return copy(QRect(x, y, w, h)); }
uchar *bits();
const uchar *bits() const;
const uchar *constBits() const;
uchar *scanLine(int);
const uchar *scanLine(int) const;
const uchar *constScanLine(int) const;
QImage toImage(QImage::Format format = QImage::Format_ARGB32_Premultiplied) const;
private:
QDistanceField(QDistanceFieldData *data);
QSharedDataPointer<QDistanceFieldData> d;
friend class QDistanceFieldData;
};
QT_END_NAMESPACE
#endif // QDISTANCEFIELD_H
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