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diff --git a/src/gui/text/coretext/qfontengine_coretext_p.h b/src/gui/text/coretext/qfontengine_coretext_p.h
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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 QFONTENGINE_CORETEXT_P_H
+#define QFONTENGINE_CORETEXT_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>
+#include <private/qcore_mac_p.h>
+#include <QtCore/qloggingcategory.h>
+
+#ifdef Q_OS_MACOS
+#include <ApplicationServices/ApplicationServices.h>
+#else
+#include <CoreText/CoreText.h>
+#include <CoreGraphics/CoreGraphics.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QCoreTextFontEngine : public QFontEngine
+{
+ Q_GADGET
+
+public:
+ QCoreTextFontEngine(CTFontRef font, const QFontDef &def);
+ QCoreTextFontEngine(CGFontRef font, const QFontDef &def);
+ ~QCoreTextFontEngine();
+
+ glyph_t glyphIndex(uint ucs4) const override;
+ int stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const override;
+ void recalcAdvances(QGlyphLayout *, ShaperFlags) const override;
+
+ glyph_metrics_t boundingBox(glyph_t glyph) override;
+
+ QFixed capHeight() const override;
+ QFixed xHeight() const override;
+ qreal maxCharWidth() const override;
+ QFixed averageCharWidth() const override;
+
+ void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int numGlyphs,
+ QPainterPath *path, QTextItem::RenderFlags) override;
+
+ bool canRender(const QChar *string, int len) const override;
+
+ int synthesized() const override { return synthesisFlags; }
+ bool supportsHorizontalSubPixelPositions() const override { return true; }
+ bool supportsVerticalSubPixelPositions() const override { return false; }
+
+ QFixed lineThickness() const override;
+ QFixed underlinePosition() const override;
+
+ void draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight);
+
+ FaceId faceId() const override;
+ bool getSfntTableData(uint /*tag*/, uchar * /*buffer*/, uint * /*length*/) const override;
+ void getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_metrics_t *metrics) override;
+ QImage alphaMapForGlyph(glyph_t, const QFixedPoint &subPixelPosition) override;
+ QImage alphaMapForGlyph(glyph_t glyph, const QFixedPoint &subPixelPosition, const QTransform &t) override;
+ QImage alphaRGBMapForGlyph(glyph_t, const QFixedPoint &subPixelPosition, const QTransform &t) override;
+ glyph_metrics_t alphaMapBoundingBox(glyph_t glyph, const QFixedPoint &, const QTransform &matrix, GlyphFormat) override;
+ QImage bitmapForGlyph(glyph_t, const QFixedPoint &subPixelPosition, const QTransform &t, const QColor &color) override;
+ QFixed emSquareSize() const override;
+ void doKerning(QGlyphLayout *g, ShaperFlags flags) const override;
+
+ bool supportsTransformation(const QTransform &transform) const override;
+ bool expectsGammaCorrectedBlending() const override;
+
+ QFontEngine *cloneWithSize(qreal pixelSize) const override;
+ Qt::HANDLE handle() const override;
+ int glyphMargin(QFontEngine::GlyphFormat format) override { Q_UNUSED(format); return 0; }
+
+ QFontEngine::Properties properties() const override;
+
+ enum FontSmoothing { Disabled, Subpixel, Grayscale };
+ Q_ENUM(FontSmoothing);
+
+ static FontSmoothing fontSmoothing();
+ static qreal fontSmoothingGamma();
+
+ static bool ct_getSfntTable(void *user_data, uint tag, uchar *buffer, uint *length);
+ static QFont::Weight qtWeightFromCFWeight(float value);
+
+ static QCoreTextFontEngine *create(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference, const QMap<QFont::Tag, float> &variableAxisValue);
+
+protected:
+ QCoreTextFontEngine(const QFontDef &def);
+ void init();
+ QImage imageForGlyph(glyph_t glyph, const QFixedPoint &subPixelPosition, const QTransform &m, const QColor &color = QColor());
+ void loadAdvancesForGlyphs(QVarLengthArray<CGGlyph> &cgGlyphs, QGlyphLayout *glyphs) const;
+ bool hasColorGlyphs() const;
+ bool shouldAntialias() const;
+ bool shouldSmoothFont() const;
+ void initializeHeightMetrics() const override;
+
+ QCFType<CTFontRef> ctfont;
+ QCFType<CGFontRef> cgFont;
+ int synthesisFlags;
+ CGAffineTransform transform;
+ QFixed avgCharWidth;
+ QFixed underlineThickness;
+ QFixed underlinePos;
+ QFontEngine::FaceId face_id;
+ mutable bool kerningPairsLoaded;
+};
+
+CGAffineTransform Q_GUI_EXPORT qt_transform_from_fontdef(const QFontDef &fontDef);
+
+QT_END_NAMESPACE
+
+#endif // QFONTENGINE_CORETEXT_P_H