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Diffstat (limited to 'src/gui/text/qfontengine_qpf2_p.h')
| -rw-r--r-- | src/gui/text/qfontengine_qpf2_p.h | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/gui/text/qfontengine_qpf2_p.h b/src/gui/text/qfontengine_qpf2_p.h deleted file mode 100644 index b2dc620ad1..0000000000 --- a/src/gui/text/qfontengine_qpf2_p.h +++ /dev/null @@ -1,241 +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_QPF2_P_H -#define QFONTENGINE_QPF2_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 <QtCore/qconfig.h> -#include <QtCore/qglobal.h> -#include <QtCore/qendian.h> -#include <QtCore/QBuffer> - -#include "qfontengine_p.h" - -#include <QtCore/QFile> - -QT_BEGIN_NAMESPACE - -class QFontEngine; -class QFreetypeFace; -class QBuffer; - -class Q_GUI_EXPORT QFontEngineQPF2 : public QFontEngine -{ -public: - // if you add new tags please make sure to update the tables in - // qpfutil.cpp and tools/makeqpf/qpf2.cpp - enum HeaderTag { - Tag_FontName, // 0 string - Tag_FileName, // 1 string - Tag_FileIndex, // 2 quint32 - Tag_FontRevision, // 3 quint32 - Tag_FreeText, // 4 string - Tag_Ascent, // 5 QFixed - Tag_Descent, // 6 QFixed - Tag_Leading, // 7 QFixed - Tag_XHeight, // 8 QFixed - Tag_AverageCharWidth, // 9 QFixed - Tag_MaxCharWidth, // 10 QFixed - Tag_LineThickness, // 11 QFixed - Tag_MinLeftBearing, // 12 QFixed - Tag_MinRightBearing, // 13 QFixed - Tag_UnderlinePosition, // 14 QFixed - Tag_GlyphFormat, // 15 quint8 - Tag_PixelSize, // 16 quint8 - Tag_Weight, // 17 quint8 - Tag_Style, // 18 quint8 - Tag_EndOfHeader, // 19 string - Tag_WritingSystems, // 20 bitfield - - NumTags - }; - - enum TagType { - StringType, - FixedType, - UInt8Type, - UInt32Type, - BitFieldType - }; - - struct Tag - { - quint16 tag; - quint16 size; - }; - - enum GlyphFormat { - BitmapGlyphs = 1, - AlphamapGlyphs = 8 - }; - - enum { - CurrentMajorVersion = 2, - CurrentMinorVersion = 0 - }; - - // The CMap is identical to the TrueType CMap table format - // The GMap table is a normal array with the total number of - // covered glyphs in the TrueType font - enum BlockTag { - CMapBlock, - GMapBlock, - GlyphBlock - }; - - struct Header - { - char magic[4]; // 'QPF2' - quint32 lock; // values: 0 = unlocked, 0xffffffff = read-only, otherwise qws client id of locking process - quint8 majorVersion; - quint8 minorVersion; - quint16 dataSize; - }; - - struct Block - { - quint16 tag; - quint16 pad; - quint32 dataSize; - }; - - struct Glyph - { - quint8 width; - quint8 height; - quint8 bytesPerLine; - qint8 x; - qint8 y; - qint8 advance; - }; - - QFontEngineQPF2(const QFontDef &def, const QByteArray &data); - ~QFontEngineQPF2(); - - FaceId faceId() const override { return face_id; } - bool getSfntTableData(uint tag, uchar *buffer, uint *length) const override; - - virtual glyph_t glyphIndex(uint ucs4) const override; - bool stringToCMap(const QChar *str, int len, QGlyphLayout *glyphs, int *nglyphs, ShaperFlags flags) const override; - void recalcAdvances(QGlyphLayout *, ShaperFlags) const override; - - void addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags) override; - QImage alphaMapForGlyph(glyph_t t) override; - - glyph_metrics_t boundingBox(const QGlyphLayout &glyphs) override; - glyph_metrics_t boundingBox(glyph_t glyph) override; - - QFixed ascent() const override; - QFixed capHeight() const override; - QFixed descent() const override; - QFixed leading() const override; - qreal maxCharWidth() const override; - qreal minLeftBearing() const override; - qreal minRightBearing() const override; - QFixed underlinePosition() const override; - QFixed lineThickness() const override; - - virtual int glyphCount() const override { return glyphMapEntries; } - - bool isValid() const; - - const Glyph *findGlyph(glyph_t g) const; - - static bool verifyHeader(const uchar *data, int size); - static QVariant extractHeaderField(const uchar *data, HeaderTag tag); - -private: - - const uchar *fontData; - int dataSize; - const uchar *cmap; - quint32 cmapOffset; - int cmapSize; - quint32 glyphMapOffset; - quint32 glyphMapEntries; - quint32 glyphDataOffset; - quint32 glyphDataSize; - QString internalFileName; - QString encodedFileName; - bool readOnly; - - FaceId face_id; - QByteArray freetypeCMapTable; - mutable bool kerning_pairs_loaded; -}; - -struct QPF2Generator -{ - QPF2Generator(QBuffer *device, QFontEngine *engine) - : dev(device), fe(engine) {} - - void generate(); - void writeHeader(); - void writeGMap(); - void writeBlock(QFontEngineQPF2::BlockTag tag, const QByteArray &data); - - void writeTaggedString(QFontEngineQPF2::HeaderTag tag, const QByteArray &string); - void writeTaggedUInt32(QFontEngineQPF2::HeaderTag tag, quint32 value); - void writeTaggedUInt8(QFontEngineQPF2::HeaderTag tag, quint8 value); - void writeTaggedQFixed(QFontEngineQPF2::HeaderTag tag, QFixed value); - - void writeUInt16(quint16 value) { value = qToBigEndian(value); dev->write((const char *)&value, sizeof(value)); } - void writeUInt32(quint32 value) { value = qToBigEndian(value); dev->write((const char *)&value, sizeof(value)); } - void writeUInt8(quint8 value) { dev->write((const char *)&value, sizeof(value)); } - void writeInt8(qint8 value) { dev->write((const char *)&value, sizeof(value)); } - - void align4() { while (dev->pos() & 3) { dev->putChar('\0'); } } - - QBuffer *dev; - QFontEngine *fe; -}; - -QT_END_NAMESPACE - -#endif // QFONTENGINE_QPF2_P_H |