move qfontengine_ft.* from gui to platformsupport

that's where the files are actually used nowadays.

also removes an obsolete (and bogus) gui export.

Change-Id: I4551aad798acb6ce8c0abe43a2fcb8e5ac64a2d4
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>

1 files changed, 0 insertions, 364 deletions

diff --git a/src/gui/text/qfontengine_ft_p.h b/src/gui/text/qfontengine_ft_p.h
deleted file mode 100644
index 32357d0076..0000000000
--- a/src/gui/text/qfontengine_ft_p.h
+++ /dev/null
@@ -1,364 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtGui 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 QFONTENGINE_FT_P_H
-#define QFONTENGINE_FT_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/qfontengine_p.h"
-
-#ifndef QT_NO_FREETYPE
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-
-
-#ifndef Q_OS_WIN
-#include <unistd.h>
-#endif
-
-#include <qmutex.h>
-
-QT_BEGIN_NAMESPACE
-
-class QFontEngineFTRawFont;
-class QFontconfigDatabase;
-
-/*
- * This class represents one font file on disk (like Arial.ttf) and is shared between all the font engines
- * that show this font file (at different pixel sizes).
- */
-class QFreetypeFace
-{
-public:
-    void computeSize(const QFontDef &fontDef, int *xsize, int *ysize, bool *outline_drawing, QFixed *scalableBitmapScaleFactor);
-    QFontEngine::Properties properties() const;
-    bool getSfntTable(uint tag, uchar *buffer, uint *length) const;
-
-    static QFreetypeFace *getFace(const QFontEngine::FaceId &face_id,
-                                  const QByteArray &fontData = QByteArray());
-    void release(const QFontEngine::FaceId &face_id);
-
-    // locks the struct for usage. Any read/write operations require locking.
-    void lock()
-    {
-        _lock.lock();
-    }
-    void unlock()
-    {
-        _lock.unlock();
-    }
-
-    FT_Face face;
-    int xsize; // 26.6
-    int ysize; // 26.6
-    FT_Matrix matrix;
-    FT_CharMap unicode_map;
-    FT_CharMap symbol_map;
-
-    enum { cmapCacheSize = 0x200 };
-    glyph_t cmapCache[cmapCacheSize];
-
-    int fsType() const;
-
-    int getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints);
-
-    bool isScalableBitmap() const;
-
-    static void addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path, FT_Fixed x_scale, FT_Fixed y_scale);
-    static void addBitmapToPath(FT_GlyphSlot slot, const QFixedPoint &point, QPainterPath *path);
-
-private:
-    friend class QFontEngineFT;
-    friend class QtFreetypeData;
-    friend struct QScopedPointerDeleter<QFreetypeFace>;
-    QFreetypeFace() : _lock(QMutex::Recursive) {}
-    ~QFreetypeFace() {}
-    void cleanup();
-    QAtomicInt ref;
-    QMutex _lock;
-    QByteArray fontData;
-
-    QFontEngine::Holder hbFace;
-};
-
-// If this is exported this breaks compilation of the windows
-// plugin as qfontengine_ft_p.h/.cpp are also compiled there
-#ifndef Q_OS_WIN
-class Q_GUI_EXPORT QFontEngineFT : public QFontEngine
-#else
-class QFontEngineFT : public QFontEngine
-#endif
-{
-public:
-
-    /* we don't cache glyphs that are too large anyway, so we can make this struct rather small */
-    struct Glyph {
-        ~Glyph();
-        short linearAdvance;
-        unsigned char width;
-        unsigned char height;
-        short x;
-        short y;
-        short advance;
-        signed char format;
-        uchar *data;
-    };
-
-    struct GlyphInfo {
-        int             linearAdvance;
-        unsigned short  width;
-        unsigned short  height;
-        short           x;
-        short           y;
-        short           xOff;
-        short           yOff;
-    };
-
-    struct GlyphAndSubPixelPosition
-    {
-        GlyphAndSubPixelPosition(glyph_t g, QFixed spp) : glyph(g), subPixelPosition(spp) {}
-
-        bool operator==(const GlyphAndSubPixelPosition &other) const
-        {
-            return glyph == other.glyph && subPixelPosition == other.subPixelPosition;
-        }
-
-        glyph_t glyph;
-        QFixed subPixelPosition;
-    };
-
-    struct QGlyphSet
-    {
-        QGlyphSet();
-        ~QGlyphSet();
-        FT_Matrix transformationMatrix;
-        bool outline_drawing;
-
-        void removeGlyphFromCache(glyph_t index, QFixed subPixelPosition);
-        void clear();
-        inline bool useFastGlyphData(glyph_t index, QFixed subPixelPosition) const {
-            return (index < 256 && subPixelPosition == 0);
-        }
-        inline Glyph *getGlyph(glyph_t index, QFixed subPixelPosition = 0) const;
-        void setGlyph(glyph_t index, QFixed spp, Glyph *glyph);
-
-        inline bool isGlyphMissing(glyph_t index) const { return missing_glyphs.contains(index); }
-        inline void setGlyphMissing(glyph_t index) const { missing_glyphs.insert(index); }
-private:
-        mutable QHash<GlyphAndSubPixelPosition, Glyph *> glyph_data; // maps from glyph index to glyph data
-        mutable QSet<glyph_t> missing_glyphs;
-        mutable Glyph *fast_glyph_data[256]; // for fast lookup of glyphs < 256
-        mutable int fast_glyph_count;
-    };
-
-    QFontEngine::FaceId faceId() const Q_DECL_OVERRIDE;
-    QFontEngine::Properties properties() const Q_DECL_OVERRIDE;
-    QFixed emSquareSize() const Q_DECL_OVERRIDE;
-    bool supportsSubPixelPositions() const Q_DECL_OVERRIDE
-    {
-        return default_hint_style == HintLight ||
-               default_hint_style == HintNone;
-    }
-
-    bool getSfntTableData(uint tag, uchar *buffer, uint *length) const Q_DECL_OVERRIDE;
-    int synthesized() const Q_DECL_OVERRIDE;
-
-    QFixed ascent() const Q_DECL_OVERRIDE;
-    QFixed capHeight() const Q_DECL_OVERRIDE;
-    QFixed descent() const Q_DECL_OVERRIDE;
-    QFixed leading() const Q_DECL_OVERRIDE;
-    QFixed xHeight() const Q_DECL_OVERRIDE;
-    QFixed averageCharWidth() const Q_DECL_OVERRIDE;
-
-    qreal maxCharWidth() const Q_DECL_OVERRIDE;
-    QFixed lineThickness() const Q_DECL_OVERRIDE;
-    QFixed underlinePosition() const Q_DECL_OVERRIDE;
-
-    glyph_t glyphIndex(uint ucs4) const Q_DECL_OVERRIDE;
-    void doKerning(QGlyphLayout *, ShaperFlags) const Q_DECL_OVERRIDE;
-
-    void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) Q_DECL_OVERRIDE;
-
-    bool supportsTransformation(const QTransform &transform) const Q_DECL_OVERRIDE;
-
-    void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
-                 QPainterPath *path, QTextItem::RenderFlags flags) Q_DECL_OVERRIDE;
-    void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs,
-                  QPainterPath *path, QTextItem::RenderFlags flags) Q_DECL_OVERRIDE;
-
-    bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const Q_DECL_OVERRIDE;
-
-    glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) Q_DECL_OVERRIDE;
-    glyph_metrics_t boundingBox(glyph_t glyph) Q_DECL_OVERRIDE;
-    glyph_metrics_t boundingBox(glyph_t glyph, const QTransform &matrix) Q_DECL_OVERRIDE;
-
-    void recalcAdvances(QGlyphLayout *glyphs, ShaperFlags flags) const Q_DECL_OVERRIDE;
-    QImage alphaMapForGlyph(glyph_t g) Q_DECL_OVERRIDE { return alphaMapForGlyph(g, 0); }
-    QImage alphaMapForGlyph(glyph_t, QFixed) Q_DECL_OVERRIDE;
-    QImage alphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition, const QTransform &t) Q_DECL_OVERRIDE;
-    QImage alphaRGBMapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t) Q_DECL_OVERRIDE;
-    QImage bitmapForGlyph(glyph_t, QFixed subPixelPosition, const QTransform &t) Q_DECL_OVERRIDE;
-    glyph_metrics_t alphaMapBoundingBox(glyph_t glyph,
-                                        QFixed subPixelPosition,
-                                        const QTransform &matrix,
-                                        QFontEngine::GlyphFormat format) Q_DECL_OVERRIDE;
-    QImage *lockedAlphaMapForGlyph(glyph_t glyph, QFixed subPixelPosition,
-                                   GlyphFormat neededFormat, const QTransform &t,
-                                   QPoint *offset) Q_DECL_OVERRIDE;
-    bool hasInternalCaching() const Q_DECL_OVERRIDE { return cacheEnabled; }
-    void unlockAlphaMapForGlyph() Q_DECL_OVERRIDE;
-
-    void removeGlyphFromCache(glyph_t glyph) Q_DECL_OVERRIDE;
-    int glyphMargin(QFontEngine::GlyphFormat /* format */) Q_DECL_OVERRIDE { return 0; }
-
-    int glyphCount() const Q_DECL_OVERRIDE;
-
-    enum Scaling {
-        Scaled,
-        Unscaled
-    };
-    FT_Face lockFace(Scaling scale = Scaled) const;
-    void unlockFace() const;
-
-    FT_Face non_locked_face() const;
-
-    inline bool drawAntialiased() const { return antialias; }
-    inline bool invalid() const { return xsize == 0 && ysize == 0; }
-    inline bool isBitmapFont() const { return defaultFormat == Format_Mono; }
-    inline bool isScalableBitmap() const { return freetype->isScalableBitmap(); }
-
-    inline Glyph *loadGlyph(uint glyph, QFixed subPixelPosition, GlyphFormat format = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const
-    { return loadGlyph(cacheEnabled ? &defaultGlyphSet : 0, glyph, subPixelPosition, format, fetchMetricsOnly, disableOutlineDrawing); }
-    Glyph *loadGlyph(QGlyphSet *set, uint glyph, QFixed subPixelPosition, GlyphFormat = Format_None, bool fetchMetricsOnly = false, bool disableOutlineDrawing = false) const;
-    Glyph *loadGlyphFor(glyph_t g, QFixed subPixelPosition, GlyphFormat format, const QTransform &t, bool fetchBoundingBox = false, bool disableOutlineDrawing = false);
-
-    QGlyphSet *loadGlyphSet(const QTransform &matrix);
-
-    QFontEngineFT(const QFontDef &fd);
-    virtual ~QFontEngineFT();
-
-    bool init(FaceId faceId, bool antiaalias, GlyphFormat defaultFormat = Format_None,
-              const QByteArray &fontData = QByteArray());
-    bool init(FaceId faceId, bool antialias, GlyphFormat format,
-              QFreetypeFace *freetypeFace);
-
-    int getPointInOutline(glyph_t glyph, int flags, quint32 point, QFixed *xpos, QFixed *ypos, quint32 *nPoints) Q_DECL_OVERRIDE;
-
-    void setQtDefaultHintStyle(QFont::HintingPreference hintingPreference);
-    void setDefaultHintStyle(HintStyle style) Q_DECL_OVERRIDE;
-
-    QFontEngine *cloneWithSize(qreal pixelSize) const Q_DECL_OVERRIDE;
-    Qt::HANDLE handle() const Q_DECL_OVERRIDE;
-    bool initFromFontEngine(const QFontEngineFT *fontEngine);
-
-    HintStyle defaultHintStyle() const { return default_hint_style; }
-protected:
-
-    QFreetypeFace *freetype;
-    mutable int default_load_flags;
-    HintStyle default_hint_style;
-    bool antialias;
-    bool transform;
-    bool embolden;
-    bool obliquen;
-    SubpixelAntialiasingType subpixelType;
-    int lcdFilterType;
-    bool embeddedbitmap;
-    bool cacheEnabled;
-    bool forceAutoHint;
-
-private:
-    friend class QFontEngineFTRawFont;
-    friend class QFontconfigDatabase;
-    friend class QBasicFontDatabase;
-    friend class QCoreTextFontDatabase;
-    friend class QFontEngineMultiFontConfig;
-
-    int loadFlags(QGlyphSet *set, GlyphFormat format, int flags, bool &hsubpixel, int &vfactor) const;
-    bool shouldUseDesignMetrics(ShaperFlags flags) const;
-    QFixed scaledBitmapMetrics(QFixed m) const;
-    glyph_metrics_t scaledBitmapMetrics(const glyph_metrics_t &m) const;
-
-    GlyphFormat defaultFormat;
-    FT_Matrix matrix;
-
-    QList<QGlyphSet> transformedGlyphSets;
-    mutable QGlyphSet defaultGlyphSet;
-
-    QFontEngine::FaceId face_id;
-
-    int xsize;
-    int ysize;
-
-    QFixed line_thickness;
-    QFixed underline_position;
-
-    FT_Size_Metrics metrics;
-    mutable bool kerning_pairs_loaded;
-    QFixed scalableBitmapScaleFactor;
-};
-
-inline uint qHash(const QFontEngineFT::GlyphAndSubPixelPosition &g)
-{
-    return (g.glyph << 8)  | (g.subPixelPosition * 10).round().toInt();
-}
-
-inline QFontEngineFT::Glyph *QFontEngineFT::QGlyphSet::getGlyph(glyph_t index, QFixed subPixelPosition) const
-{
-    if (useFastGlyphData(index, subPixelPosition))
-        return fast_glyph_data[index];
-    return glyph_data.value(GlyphAndSubPixelPosition(index, subPixelPosition));
-}
-
-extern FT_Library qt_getFreetype();
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_FREETYPE
-
-#endif // QFONTENGINE_FT_P_H