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/****************************************************************************\
Part of the XeTeX typesetting system
copyright (c) 1994-2006 by SIL International
written by Jonathan Kew
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL SIL INTERNATIONAL BE LIABLE FOR
ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of SIL International
shall not be used in advertising or otherwise to promote the sale,
use or other dealings in this Software without prior written
authorization from SIL International.
\****************************************************************************/
#ifndef __XETEXEXT_H
#define __XETEXEXT_H
/***** copied from TeX/texk/web2c/config.h -- difficult to include in C++ source files ******/
#ifndef INTEGER_TYPE
#if SIZEOF_LONG > 4 && !defined (NO_DUMP_SHARE)
/* If we have 64-bit longs and want to share format files (with 32-bit
machines), use `int'. */
#define INTEGER_IS_INT
#endif
#ifdef INTEGER_IS_INT
#define INTEGER_TYPE int
#define INTEGER_MAX INT_MAX
#define INTEGER_MIN INT_MIN
#else
#define INTEGER_TYPE long
#define INTEGER_MAX LONG_MAX
#define INTEGER_MIN LONG_MIN
#endif /* not INTEGER_IS_INT */
typedef INTEGER_TYPE integer;
#endif /* not INTEGER_TYPE */
/***** end of config.h stuff *****/
#ifndef XETEX_UNICODE_FILE_DEFINED
typedef struct UFILE* unicodefile;
#endif
#define AAT_FONT_FLAG 65535
#define OT_FONT_FLAG 65534
#define FONT_FLAGS_COLORED 0x01
#define FONT_FLAGS_VERTICAL 0x02
/* some typedefs that XeTeX uses - on Mac OS, we get these from Apple headers,
but otherwise we'll need these substitute definitions */
#ifdef XETEX_MAC
#include <Carbon/Carbon.h>
#else
#ifndef __TECkit_Common_H__
typedef unsigned char UInt8;
typedef unsigned short UInt16;
typedef unsigned int UInt32;
typedef UInt16 UniChar;
#endif
typedef signed char SInt8;
typedef short SInt16;
typedef int SInt32;
typedef SInt32 OSStatus;
typedef SInt32 Fixed;
typedef struct {
Fixed x;
Fixed y;
} FixedPoint;
#endif
/* these are also in xetex-new.ch and must correspond! */
#define pdfbox_crop 1
#define pdfbox_media 2
#define pdfbox_bleed 3
#define pdfbox_trim 4
#define pdfbox_art 5
#define XeTeX_count_glyphs 1
#define XeTeX_count_variations 2
#define XeTeX_variation 3
#define XeTeX_find_variation_by_name 4
#define XeTeX_variation_min 5
#define XeTeX_variation_max 6
#define XeTeX_variation_default 7
#define XeTeX_count_features 8
#define XeTeX_feature_code 9
#define XeTeX_find_feature_by_name 10
#define XeTeX_is_exclusive_feature 11
#define XeTeX_count_selectors 12
#define XeTeX_selector_code 13
#define XeTeX_find_selector_by_name 14
#define XeTeX_is_default_selector 15
#define XeTeX_OT_count_scripts 16
#define XeTeX_OT_count_languages 17
#define XeTeX_OT_count_features 18
#define XeTeX_OT_script_code 19
#define XeTeX_OT_language_code 20
#define XeTeX_OT_feature_code 21
#define XeTeX_map_char_to_glyph_code 22
#define XeTeX_variation_name 7 /* must match xetex.web */
#define XeTeX_feature_name 8
#define XeTeX_selector_name 9
/* definitions used to access info in a native_word_node; must correspond with defines in xetex-new.ch */
#define width_offset 1
#define depth_offset 2
#define height_offset 3
#define native_info_offset 4
#define native_glyph_info_offset 5
#define node_width(node) node[width_offset].cint
#define node_depth(node) node[depth_offset].cint
#define node_height(node) node[height_offset].cint
#define native_length(node) node[native_info_offset].hh.v.RH
#define native_font(node) node[native_info_offset].hh.b1
#define native_glyph_count(node) node[native_glyph_info_offset].hh.v.LH
#define native_glyph_info_ptr(node) node[native_glyph_info_offset].hh.v.RH
#define native_glyph_info_size 10 /* info for each glyph is location (FixedPoint) + glyph ID (UInt16) */
#define native_glyph(p) native_length(p) /* glyph ID field in a glyph_node */
#define XDV_GLYPH_STRING 254
#define XDV_GLYPH_ARRAY 253
/* OT-related constants we need */
#define kGSUB 0x47535542
#define kGPOS 0x47504f53
#define kLatin 0x6c61746e
#define kSyriac 0x73797263
#define kArabic 0x61726162
#define kThaana 0x74686161
#define kHebrew 0x68656272
struct postTable {
Fixed format;
Fixed italicAngle;
SInt16 underlinePosition;
SInt16 underlineThickness;
UInt16 isFixedPitch;
UInt16 reserved;
UInt32 minMemType42;
UInt32 maxMemType42;
UInt32 minMemType1;
UInt32 maxMemType1;
};
#define kPost 0x706f7374
#define kCmap 0x636d6170
typedef struct
{
float xMin;
float yMin;
float xMax;
float yMax;
} GlyphBBox;
extern char *outputdriver;
extern char *papersize;
/* For Unicode encoding form interpretation... */
extern const UInt32 offsetsFromUTF8[6];
extern const UInt8 bytesFromUTF8[256];
extern const UInt8 firstByteMark[7];
extern const int halfShift;
extern const UInt32 halfBase;
extern const UInt32 halfMask;
extern const UInt32 kSurrogateHighStart;
extern const UInt32 kSurrogateHighEnd;
extern const UInt32 kSurrogateLowStart;
extern const UInt32 kSurrogateLowEnd;
extern const UInt32 byteMask;
extern const UInt32 byteMark;
#include "trans.h"
#ifdef __cplusplus
extern "C" {
#endif
void setinputfileencoding(unicodefile f, int mode, int encodingData);
void uclose(unicodefile f);
int input_line_icu(unicodefile f);
void linebreakstart(int localeStrNum, const UniChar* text, int textLength);
int linebreaknext();
long getencodingmodeandinfo(long* info);
void printutf8str(const unsigned char* str, int len);
void printchars(const unsigned short* str, int len);
void* load_mapping_file(const char* s, const char* e);
void* findnativefont(unsigned char* name, long scaled_size);
void releasefontengine(void* engine, int type_flag);
/* 'integer' params here are really TeX 'scaled' values, but that typedef isn't available every place this is included */
void otgetfontmetrics(void* engine, integer* ascent, integer* descent, integer* xheight, integer* capheight, integer* slant);
void getnativecharheightdepth(int font, int ch, integer* height, integer* depth);
void getnativecharsidebearings(int font, int ch, integer* lsb, integer* rsb);
/* single-purpose metrics accessors */
integer getnativecharwd(int font, int ch);
integer getnativecharht(int font, int ch);
integer getnativechardp(int font, int ch);
integer getnativecharic(int font, int ch);
long otfontget(int what, void* engine);
long otfontget1(int what, void* engine, long param);
long otfontget2(int what, void* engine, long param1, long param2);
long otfontget3(int what, void* engine, long param1, long param2, long param3);
int makeXDVGlyphArrayData(void* p);
long makefontdef(long f);
int applymapping(void* cnv, const UniChar* txtPtr, int txtLen);
void store_justified_native_glyphs(void* node);
void measure_native_node(void* node, int use_glyph_metrics);
Fixed get_native_ital_corr(void* node);
Fixed get_native_glyph_ital_corr(void* node);
void measure_native_glyph(void* node, int use_glyph_metrics);
int mapchartoglyph(int font, unsigned int ch);
int mapglyphtoindex(int font);
const char* getGlyphNamePtr(const char* buffer, int tableSize, UInt16 gid, int* len);
int find_pic_file(char** path, realrect* bounds, int pdfBoxType, int page);
#ifdef XETEX_MAC
/* functions in XeTeX_mac.c */
void* loadAATfont(ATSFontRef fontRef, long scaled_size, const char* cp1);
void DoAtsuiLayout(void* node, int justify);
void GetGlyphBBox_AAT(ATSUStyle style, UInt16 gid, GlyphBBox* bbox);
float GetGlyphWidth_AAT(ATSUStyle style, UInt16 gid);
void GetGlyphHeightDepth_AAT(ATSUStyle style, UInt16 gid, float* ht, float* dp);
void GetGlyphSidebearings_AAT(ATSUStyle style, UInt16 gid, float* lsb, float* rsb);
int MapCharToGlyph_AAT(ATSUStyle style, UInt32 ch);
int MapGlyphToIndex_AAT(ATSUStyle style, const char* glyphName);
float GetGlyphItalCorr_AAT(ATSUStyle style, UInt16 gid);
char* GetGlyphName_AAT(ATSUStyle style, UInt16 gid, int* len);
int GetFontCharRange_AAT(ATSUStyle style, int reqFirst);
#endif
#ifdef __cplusplus
};
#endif
/* some Mac OS X functions that we provide ourselves for other platforms */
#ifndef XETEX_MAC
#ifdef __cplusplus
extern "C" {
#endif
double Fix2X(Fixed f);
Fixed X2Fix(double d);
#ifdef __cplusplus
};
#endif
#endif
#endif /* __XETEX_EXT_H */
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