summaryrefslogtreecommitdiff
path: root/modules/thai/thai-shaper.h
blob: c27b1bed5841579efc7383273c27c161a7d0baa8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
#ifndef __THAI_SHAPER_H__
#define __THAI_SHAPER_H__

#include "pangox.h"
#include "pangoxft.h"

#define ucs2tis(wc)     (unsigned int)((unsigned int)(wc) - 0x0E00 + 0xA0)
#define tis2uni(c)      ((gunichar)(c) - 0xA0 + 0x0E00)

typedef struct _ThaiFontInfo ThaiFontInfo;

/* Font encodings we will use
 */
typedef enum {
  THAI_FONT_NONE,
  THAI_FONT_XTIS,
  THAI_FONT_TIS,
  THAI_FONT_TIS_MAC,
  THAI_FONT_TIS_WIN,
  THAI_FONT_ISO10646
} ThaiFontSet;

typedef enum {
  THAI_FONTINFO_X,
  THAI_FONTINFO_XFT
} ThaiFontInfoType;

struct _ThaiFontInfo
{
  PangoFont       *font;
  ThaiFontSet      font_set;
  ThaiFontInfoType info_type;
  union {
    PangoXSubfont subfont; /* THAI_FONTINFO_X */
    FT_Face       face;    /* THAI_FONTINFO_XFT */
  } info;
};

/*
 * Abstract methods
 */
ThaiFontInfo *
get_font_info (PangoFont *font);

PangoGlyph
make_glyph (ThaiFontInfo *font_info, unsigned char c);

/*
 * Public functions
 */
void
thai_engine_shape (PangoFont        *font,
                   const char       *text,
                   gint              length,
                   PangoAnalysis    *analysis,
                   PangoGlyphString *glyphs);

#endif /* __THAI_SHAPER_H__ */