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Diffstat (limited to 'src/corelib/text/qharfbuzz_p.h')
| -rw-r--r-- | src/corelib/text/qharfbuzz_p.h | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/src/corelib/text/qharfbuzz_p.h b/src/corelib/text/qharfbuzz_p.h deleted file mode 100644 index 2a0307d35f..0000000000 --- a/src/corelib/text/qharfbuzz_p.h +++ /dev/null @@ -1,357 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// 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/private/qglobal_p.h> - -#ifndef QHARFBUZZ_P_H -#define QHARFBUZZ_P_H - -#include <QtCore/qchar.h> - -#if defined(QT_BUILD_CORE_LIB) -# include <harfbuzz-shaper.h> -#else -// a minimal set of HB types required for Qt libs other than Core -extern "C" { - -typedef enum { - /* no error */ - HB_Err_Ok = 0x0000, - HB_Err_Not_Covered = 0xFFFF, - - /* _hb_err() is called whenever returning the following errors, - * and in a couple places for HB_Err_Not_Covered too. */ - - /* programmer error */ - HB_Err_Invalid_Argument = 0x1A66, - - /* font error */ - HB_Err_Invalid_SubTable_Format = 0x157F, - HB_Err_Invalid_SubTable = 0x1570, - HB_Err_Read_Error = 0x6EAD, - - /* system error */ - HB_Err_Out_Of_Memory = 0xDEAD -} HB_Error; - -typedef QT_PREPEND_NAMESPACE(qint8) hb_int8; -typedef QT_PREPEND_NAMESPACE(quint8) hb_uint8; -typedef QT_PREPEND_NAMESPACE(qint16) hb_int16; -typedef QT_PREPEND_NAMESPACE(quint16) hb_uint16; -typedef QT_PREPEND_NAMESPACE(qint32) hb_int32; -typedef QT_PREPEND_NAMESPACE(quint32) hb_uint32; - -typedef hb_uint8 HB_Bool; -typedef hb_uint8 HB_Byte; -typedef hb_uint16 HB_UShort; -typedef hb_uint32 HB_UInt; -typedef hb_int8 HB_Char; -typedef hb_int16 HB_Short; -typedef hb_int32 HB_Int; -typedef hb_uint16 HB_UChar16; -typedef hb_uint32 HB_UChar32; -typedef hb_uint32 HB_Glyph; -typedef hb_int32 HB_Fixed; /* 26.6 */ -typedef hb_int32 HB_16Dot16; /* 16.16 */ -typedef hb_uint32 HB_Tag; - -typedef struct { - HB_Fixed x; - HB_Fixed y; -} HB_FixedPoint; - -typedef enum { - HB_Script_Common, - HB_Script_Greek, - HB_Script_Cyrillic, - HB_Script_Armenian, - HB_Script_Hebrew, - HB_Script_Arabic, - HB_Script_Syriac, - HB_Script_Thaana, - HB_Script_Devanagari, - HB_Script_Bengali, - HB_Script_Gurmukhi, - HB_Script_Gujarati, - HB_Script_Oriya, - HB_Script_Tamil, - HB_Script_Telugu, - HB_Script_Kannada, - HB_Script_Malayalam, - HB_Script_Sinhala, - HB_Script_Thai, - HB_Script_Lao, - HB_Script_Tibetan, - HB_Script_Myanmar, - HB_Script_Georgian, - HB_Script_Hangul, - HB_Script_Ogham, - HB_Script_Runic, - HB_Script_Khmer, - HB_Script_Nko, - HB_Script_Inherited, - HB_ScriptCount = HB_Script_Inherited -} HB_Script; - -#ifdef __xlC__ -typedef unsigned hb_bitfield; -#else -typedef hb_uint8 hb_bitfield; -#endif - -typedef struct { - hb_bitfield justification :4; /* Justification class */ - hb_bitfield clusterStart :1; /* First glyph of representation of cluster */ - hb_bitfield mark :1; /* needs to be positioned around base char */ - hb_bitfield zeroWidth :1; /* ZWJ, ZWNJ etc, with no width */ - hb_bitfield dontPrint :1; - hb_bitfield combiningClass :8; -} HB_GlyphAttributes; - -typedef void * HB_GDEF; -typedef void * HB_GSUB; -typedef void * HB_GPOS; -typedef void * HB_Buffer; - -typedef HB_Error (*HB_GetFontTableFunc)(void *font, HB_Tag tag, HB_Byte *buffer, HB_UInt *length); - -typedef struct HB_FaceRec_ { - HB_Bool isSymbolFont; - - HB_GDEF gdef; - HB_GSUB gsub; - HB_GPOS gpos; - HB_Bool supported_scripts[HB_ScriptCount]; - HB_Buffer buffer; - HB_Script current_script; - int current_flags; /* HB_ShaperFlags */ - HB_Bool has_opentype_kerning; - HB_Bool glyphs_substituted; - HB_GlyphAttributes *tmpAttributes; - unsigned int *tmpLogClusters; - int length; - int orig_nglyphs; - void *font_for_init; - HB_GetFontTableFunc get_font_table_func; -} HB_FaceRec; - -typedef struct { - HB_Fixed x, y; - HB_Fixed width, height; - HB_Fixed xOffset, yOffset; -} HB_GlyphMetrics; - -typedef enum { - HB_FontAscent -} HB_FontMetric; - -struct HB_Font_; -typedef struct HB_Font_ *HB_Font; -typedef struct HB_FaceRec_ *HB_Face; - -typedef struct { - HB_Bool (*convertStringToGlyphIndices)(HB_Font font, const HB_UChar16 *string, hb_uint32 length, HB_Glyph *glyphs, hb_uint32 *numGlyphs, HB_Bool rightToLeft); - void (*getGlyphAdvances)(HB_Font font, const HB_Glyph *glyphs, hb_uint32 numGlyphs, HB_Fixed *advances, int flags /*HB_ShaperFlag*/); - HB_Bool (*canRender)(HB_Font font, const HB_UChar16 *string, hb_uint32 length); - /* implementation needs to make sure to load a scaled glyph, so /no/ FT_LOAD_NO_SCALE */ - HB_Error (*getPointInOutline)(HB_Font font, HB_Glyph glyph, int flags /*HB_ShaperFlag*/, hb_uint32 point, HB_Fixed *xpos, HB_Fixed *ypos, hb_uint32 *nPoints); - void (*getGlyphMetrics)(HB_Font font, HB_Glyph glyph, HB_GlyphMetrics *metrics); - HB_Fixed (*getFontMetric)(HB_Font font, HB_FontMetric metric); -} HB_FontClass; - -typedef struct HB_Font_ { - const HB_FontClass *klass; - - /* Metrics */ - HB_UShort x_ppem, y_ppem; - HB_16Dot16 x_scale, y_scale; - - void *userData; -} HB_FontRec; - -typedef enum { - HB_LeftToRight = 0, - HB_RightToLeft = 1 -} HB_StringToGlyphsFlags; - -typedef enum { - HB_ShaperFlag_Default = 0, - HB_ShaperFlag_NoKerning = 1, - HB_ShaperFlag_UseDesignMetrics = 2 -} HB_ShaperFlag; - -typedef struct -{ - hb_uint32 pos; - hb_uint32 length; - HB_Script script; - hb_uint8 bidiLevel; -} HB_ScriptItem; - -typedef struct HB_ShaperItem_ HB_ShaperItem; - -struct HB_ShaperItem_ { - const HB_UChar16 *string; /* input: the Unicode UTF16 text to be shaped */ - hb_uint32 stringLength; /* input: the length of the input in 16-bit words */ - HB_ScriptItem item; /* input: the current run to be shaped: a run of text all in the same script that is a substring of <string> */ - HB_Font font; /* input: the font: scale, units and function pointers supplying glyph indices and metrics */ - HB_Face face; /* input: the shaper state; current script, access to the OpenType tables , etc. */ - int shaperFlags; /* input (unused) should be set to 0; intended to support flags defined in HB_ShaperFlag */ - HB_Bool glyphIndicesPresent; /* input: true if the <glyphs> array contains glyph indices ready to be shaped */ - hb_uint32 initialGlyphCount; /* input: if glyphIndicesPresent is true, the number of glyph indices in the <glyphs> array */ - - hb_uint32 num_glyphs; /* input: capacity of output arrays <glyphs>, <attributes>, <advances>, <offsets>, and <log_clusters>; */ - /* output: required capacity (may be larger than actual capacity) */ - - HB_Glyph *glyphs; /* output: <num_glyphs> indices of shaped glyphs */ - HB_GlyphAttributes *attributes; /* output: <num_glyphs> glyph attributes */ - HB_Fixed *advances; /* output: <num_glyphs> advances */ - HB_FixedPoint *offsets; /* output: <num_glyphs> offsets */ - unsigned short *log_clusters; /* output: for each output glyph, the index in the input of the start of its logical cluster */ - - /* internal */ - HB_Bool kerning_applied; /* output: true if kerning was applied by the shaper */ -}; - -} - -#endif // QT_BUILD_CORE_LIB - - -QT_BEGIN_NAMESPACE - -static inline HB_Script script_to_hbscript(uchar script) -{ - switch (script) { - case QChar::Script_Inherited: return HB_Script_Inherited; - case QChar::Script_Common: return HB_Script_Common; - case QChar::Script_Arabic: return HB_Script_Arabic; - case QChar::Script_Armenian: return HB_Script_Armenian; - case QChar::Script_Bengali: return HB_Script_Bengali; - case QChar::Script_Cyrillic: return HB_Script_Cyrillic; - case QChar::Script_Devanagari: return HB_Script_Devanagari; - case QChar::Script_Georgian: return HB_Script_Georgian; - case QChar::Script_Greek: return HB_Script_Greek; - case QChar::Script_Gujarati: return HB_Script_Gujarati; - case QChar::Script_Gurmukhi: return HB_Script_Gurmukhi; - case QChar::Script_Hangul: return HB_Script_Hangul; - case QChar::Script_Hebrew: return HB_Script_Hebrew; - case QChar::Script_Kannada: return HB_Script_Kannada; - case QChar::Script_Khmer: return HB_Script_Khmer; - case QChar::Script_Lao: return HB_Script_Lao; - case QChar::Script_Malayalam: return HB_Script_Malayalam; - case QChar::Script_Myanmar: return HB_Script_Myanmar; - case QChar::Script_Ogham: return HB_Script_Ogham; - case QChar::Script_Oriya: return HB_Script_Oriya; - case QChar::Script_Runic: return HB_Script_Runic; - case QChar::Script_Sinhala: return HB_Script_Sinhala; - case QChar::Script_Syriac: return HB_Script_Syriac; - case QChar::Script_Tamil: return HB_Script_Tamil; - case QChar::Script_Telugu: return HB_Script_Telugu; - case QChar::Script_Thaana: return HB_Script_Thaana; - case QChar::Script_Thai: return HB_Script_Thai; - case QChar::Script_Tibetan: return HB_Script_Tibetan; - case QChar::Script_Nko: return HB_Script_Nko; - default: break; - }; - return HB_Script_Common; -} - -static inline uchar hbscript_to_script(uchar script) -{ - switch (script) { - case HB_Script_Inherited: return QChar::Script_Inherited; - case HB_Script_Common: return QChar::Script_Common; - case HB_Script_Arabic: return QChar::Script_Arabic; - case HB_Script_Armenian: return QChar::Script_Armenian; - case HB_Script_Bengali: return QChar::Script_Bengali; - case HB_Script_Cyrillic: return QChar::Script_Cyrillic; - case HB_Script_Devanagari: return QChar::Script_Devanagari; - case HB_Script_Georgian: return QChar::Script_Georgian; - case HB_Script_Greek: return QChar::Script_Greek; - case HB_Script_Gujarati: return QChar::Script_Gujarati; - case HB_Script_Gurmukhi: return QChar::Script_Gurmukhi; - case HB_Script_Hangul: return QChar::Script_Hangul; - case HB_Script_Hebrew: return QChar::Script_Hebrew; - case HB_Script_Kannada: return QChar::Script_Kannada; - case HB_Script_Khmer: return QChar::Script_Khmer; - case HB_Script_Lao: return QChar::Script_Lao; - case HB_Script_Malayalam: return QChar::Script_Malayalam; - case HB_Script_Myanmar: return QChar::Script_Myanmar; - case HB_Script_Ogham: return QChar::Script_Ogham; - case HB_Script_Oriya: return QChar::Script_Oriya; - case HB_Script_Runic: return QChar::Script_Runic; - case HB_Script_Sinhala: return QChar::Script_Sinhala; - case HB_Script_Syriac: return QChar::Script_Syriac; - case HB_Script_Tamil: return QChar::Script_Tamil; - case HB_Script_Telugu: return QChar::Script_Telugu; - case HB_Script_Thaana: return QChar::Script_Thaana; - case HB_Script_Thai: return QChar::Script_Thai; - case HB_Script_Tibetan: return QChar::Script_Tibetan; - case HB_Script_Nko: return QChar::Script_Nko; - default: break; - }; - return QChar::Script_Common; -} - -Q_CORE_EXPORT HB_Bool qShapeItem(HB_ShaperItem *item); - -// ### temporary -Q_CORE_EXPORT HB_Face qHBNewFace(void *font, HB_GetFontTableFunc tableFunc); -Q_CORE_EXPORT void qHBFreeFace(HB_Face); -Q_CORE_EXPORT HB_Face qHBLoadFace(HB_Face face); - -Q_DECLARE_TYPEINFO(HB_GlyphAttributes, Q_PRIMITIVE_TYPE); -Q_DECLARE_TYPEINFO(HB_FixedPoint, Q_PRIMITIVE_TYPE); -Q_DECLARE_TYPEINFO(HB_ScriptItem, Q_PRIMITIVE_TYPE); - -QT_END_NAMESPACE - -#endif // QHARFBUZZ_P_H |