diff options
Diffstat (limited to 'tqtinterface/qt4/include/private/qt4_harfbuzz/src/harfbuzz-shaper.h')
-rw-r--r-- | tqtinterface/qt4/include/private/qt4_harfbuzz/src/harfbuzz-shaper.h | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/tqtinterface/qt4/include/private/qt4_harfbuzz/src/harfbuzz-shaper.h b/tqtinterface/qt4/include/private/qt4_harfbuzz/src/harfbuzz-shaper.h deleted file mode 100644 index ab5c07a..0000000 --- a/tqtinterface/qt4/include/private/qt4_harfbuzz/src/harfbuzz-shaper.h +++ /dev/null @@ -1,294 +0,0 @@ -/* - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) - * - * This is part of HarfBuzz, an OpenType Layout engine library. - * - * Permission is hereby granted, without written agreement and without - * license or royalty fees, to use, copy, modify, and distribute this - * software and its documentation for any purpose, provided that the - * above copyright notice and the following two paragraphs appear in - * all copies of this software. - * - * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR - * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES - * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN - * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS - * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO - * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. - */ - -#ifndef HARFBUZZ_SHAPER_H -#define HARFBUZZ_SHAPER_H - -#include "harfbuzz-global.h" -#include "harfbuzz-gdef.h" -#include "harfbuzz-gpos.h" -#include "harfbuzz-gsub.h" -#include "harfbuzz-external.h" -#include "harfbuzz-stream-private.h" - -HB_BEGIN_HEADER - -#ifdef HB_USE_PACKED_STRUCTS -#pragma pack(push, 1) -#endif - -/* - using anything else than signed or unsigned for bitfields in C is non standard, - but accepted by almost all compilers. And it gives a significant reduction in - memory consumption as HB_CharAttributes and HB_GlyphAttributes will not have - a 4 byte alignment -*/ -#ifdef __xlC__ -typedef unsigned hb_bitfield; -#else -typedef hb_uint8 hb_bitfield; -#endif - -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_Latin = Common, - HB_Script_Ethiopic = Common, - HB_Script_Cherokee = Common, - HB_Script_CanadianAboriginal = Common, - HB_Script_Mongolian = Common, - HB_Script_Hiragana = Common, - HB_Script_Katakana = Common, - HB_Script_Bopomofo = Common, - HB_Script_Han = Common, - HB_Script_Yi = Common, - HB_Script_OldItalic = Common, - HB_Script_Gothic = Common, - HB_Script_Deseret = Common, - HB_Script_Tagalog = Common, - HB_Script_Hanunoo = Common, - HB_Script_Buhid = Common, - HB_Script_Tagbanwa = Common, - HB_Script_Limbu = Common, - HB_Script_TaiLe = Common, - HB_Script_LinearB = Common, - HB_Script_Ugaritic = Common, - HB_Script_Shavian = Common, - HB_Script_Osmanya = Common, - HB_Script_Cypriot = Common, - HB_Script_Braille = Common, - HB_Script_Buginese = Common, - HB_Script_Coptic = Common, - HB_Script_NewTaiLue = Common, - HB_Script_Glagolitic = Common, - HB_Script_Tifinagh = Common, - HB_Script_SylotiNagri = Common, - HB_Script_OldPersian = Common, - HB_Script_Kharoshthi = Common, - HB_Script_Balinese = Common, - HB_Script_Cuneiform = Common, - HB_Script_Phoenician = Common, - HB_Script_PhagsPa = Common, - */ -} HB_Script; - -typedef struct -{ - hb_uint32 pos; - hb_uint32 length; - HB_Script script; - hb_uint8 bidiLevel; -} HB_ScriptItem; - -typedef enum { - HB_NoBreak, - HB_SoftHyphen, - HB_Break, - HB_ForcedBreak -} HB_LineBreakType; - - -typedef struct { - /*HB_LineBreakType*/ hb_bitfield lineBreakType :2; - /*HB_Bool*/ hb_bitfield whiteSpace :1; /* A unicode whitespace character, except NBSP, ZWNBSP */ - /*HB_Bool*/ hb_bitfield charStop :1; /* Valid cursor position (for left/right arrow) */ - /*HB_Bool*/ hb_bitfield wordBoundary :1; - /*HB_Bool*/ hb_bitfield sentenceBoundary :1; - hb_bitfield unused :2; -} HB_CharAttributes; - -void HB_GetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength, - const HB_ScriptItem *items, hb_uint32 numItems, - HB_CharAttributes *attributes); - -/* requires HB_GetCharAttributes to be called before */ -void HB_GetWordBoundaries(const HB_UChar16 *string, hb_uint32 stringLength, - const HB_ScriptItem *items, hb_uint32 numItems, - HB_CharAttributes *attributes); - -/* requires HB_GetCharAttributes to be called before */ -void HB_GetSentenceBoundaries(const HB_UChar16 *string, hb_uint32 stringLength, - const HB_ScriptItem *items, hb_uint32 numItems, - HB_CharAttributes *attributes); - - -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; - -/* - highest value means highest priority for justification. Justification is done by first inserting kashidas - starting with the highest priority positions, then stretching spaces, afterwards extending inter char - spacing, and last spacing between arabic words. - NoJustification is for example set for arabic where no Kashida can be inserted or for diacritics. -*/ -typedef enum { - HB_NoJustification= 0, /* Justification can't be applied after this glyph */ - HB_Arabic_Space = 1, /* This glyph represents a space inside arabic text */ - HB_Character = 2, /* Inter-character justification point follows this glyph */ - HB_Space = 4, /* This glyph represents a blank outside an Arabic run */ - HB_Arabic_Normal = 7, /* Normal Middle-Of-Word glyph that connects to the right (begin) */ - HB_Arabic_Waw = 8, /* Next character is final form of Waw/Ain/Qaf/Fa */ - HB_Arabic_BaRa = 9, /* Next two chars are Ba + Ra/Ya/AlefMaksura */ - HB_Arabic_Alef = 10, /* Next character is final form of Alef/Tah/Lam/Kaf/Gaf */ - HB_Arabic_HaaDal = 11, /* Next character is final form of Haa/Dal/Taa Marbutah */ - HB_Arabic_Seen = 12, /* Initial or Medial form Of Seen/Sad */ - HB_Arabic_Kashida = 13 /* Kashida(U+640) in middle of word */ -} HB_JustificationClass; - -/* This structure is binary compatible with Uniscribe's SCRIPT_VISATTR. Would be nice to keep - * it like that. If this is a problem please tell Trolltech :) - */ -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 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; -} HB_FaceRec; - -typedef HB_Error (*HB_GetFontTableFunc)(void *font, HB_Tag tag, HB_Byte *buffer, HB_UInt *length); - -HB_Face HB_NewFace(void *font, HB_GetFontTableFunc tableFunc); -void HB_FreeFace(HB_Face face); - -typedef struct { - HB_Fixed x, y; - HB_Fixed width, height; - HB_Fixed xOffset, yOffset; -} HB_GlyphMetrics; - -typedef enum { - HB_FontAscent -} HB_FontMetric; - -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; - -#ifdef HB_USE_PACKED_STRUCTS -#pragma pack(pop) -#endif - -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 */ -}; - -HB_Bool HB_ShapeItem(HB_ShaperItem *item); - -HB_END_HEADER - -#endif |