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Arabic shaping support

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-03-24 22:33:00 +01:00
parent 0761327dd0
commit e6d428c1b8
4 changed files with 400 additions and 52 deletions
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22
font/font.c
View file

@ -151,6 +151,7 @@ ascii_glyph_lookup (grub_uint32_t code)
ascii_font_glyph[current]->offset_x = 0; ascii_font_glyph[current]->offset_x = 0;
ascii_font_glyph[current]->offset_y = -2; ascii_font_glyph[current]->offset_y = -2;
ascii_font_glyph[current]->device_width = 8; ascii_font_glyph[current]->device_width = 8;
ascii_font_glyph[current]->font = NULL;
grub_memcpy (ascii_font_glyph[current]->bitmap, grub_memcpy (ascii_font_glyph[current]->bitmap,
&ascii_bitmaps[(0x7f - current) * ASCII_BITMAP_SIZE], &ascii_bitmaps[(0x7f - current) * ASCII_BITMAP_SIZE],
@ -1181,11 +1182,12 @@ blit_comb (const struct grub_unicode_glyph *glyph_id,
{ {
grub_int16_t space = 0; grub_int16_t space = 0;
/* Center by default. */ /* Center by default. */
grub_int16_t targetx = (bounds.width - combining_glyphs[i]->width) / 2 grub_int16_t targetx;
+ bounds.x;
if (!combining_glyphs[i]) if (!combining_glyphs[i])
continue; continue;
targetx = (bounds.width - combining_glyphs[i]->width) / 2
+ bounds.x;
/* CGJ is to avoid diacritics reordering. */ /* CGJ is to avoid diacritics reordering. */
if (glyph_id->combining[i].code == GRUB_UNICODE_COMBINING_GRAPHEME_JOINER) if (glyph_id->combining[i].code == GRUB_UNICODE_COMBINING_GRAPHEME_JOINER)
continue; continue;
@ -1325,13 +1327,25 @@ grub_font_construct_dry_run (grub_font_t hinted_font,
struct grub_font_glyph ***combining_glyphs_out, struct grub_font_glyph ***combining_glyphs_out,
int *device_width) int *device_width)
{ {
struct grub_font_glyph *main_glyph; struct grub_font_glyph *main_glyph = NULL;
struct grub_font_glyph **combining_glyphs; struct grub_font_glyph **combining_glyphs;
grub_uint32_t desired_attributes = 0;
if (combining_glyphs_out) if (combining_glyphs_out)
*combining_glyphs_out = NULL; *combining_glyphs_out = NULL;
main_glyph = grub_font_get_glyph_with_fallback (hinted_font, glyph_id->base); if (glyph_id->attributes & GRUB_UNICODE_GLYPH_ATTRIBUTE_RIGHT_JOINED)
desired_attributes |= GRUB_FONT_CODE_RIGHT_JOINED;
if (glyph_id->attributes & GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED)
desired_attributes |= GRUB_FONT_CODE_LEFT_JOINED;
main_glyph = grub_font_get_glyph_with_fallback (hinted_font, glyph_id->base
| desired_attributes);
if (!main_glyph)
main_glyph = grub_font_get_glyph_with_fallback (hinted_font,
glyph_id->base);
/* Glyph not available in any font. Use ASCII fallback. */ /* Glyph not available in any font. Use ASCII fallback. */
if (!main_glyph) if (!main_glyph)

5
include/grub/font.h
View file

@ -70,6 +70,11 @@ struct grub_font_glyph
grub_uint8_t bitmap[0]; grub_uint8_t bitmap[0];
}; };
/* Part of code field which is really used as such. */
#define GRUB_FONT_CODE_CHAR_MASK 0x001fffff
#define GRUB_FONT_CODE_RIGHT_JOINED 0x80000000
#define GRUB_FONT_CODE_LEFT_JOINED 0x40000000
/* Initialize the font loader. /* Initialize the font loader.
Must be called before any fonts are loaded or used. */ Must be called before any fonts are loaded or used. */
void grub_font_loader_init (void); void grub_font_loader_init (void);

2
normal/charset.c
View file

@ -26,7 +26,6 @@
- Cc type characters (ignored) - Cc type characters (ignored)
- Line-breaking rules (e.g. Zs type characters) - Line-breaking rules (e.g. Zs type characters)
- Indic languages - Indic languages
- Arabic shaping
- non-Semitic shaping (rarely used) - non-Semitic shaping (rarely used)
- Zl and Zp characters - Zl and Zp characters
- Combining characters of types 7, 8, 9, 21, 27, 28, 29, 30, 31, - Combining characters of types 7, 8, 9, 21, 27, 28, 29, 30, 31,
@ -40,6 +39,7 @@
- Justification data - Justification data
- Glyph posititioning - Glyph posititioning
- Baseline data - Baseline data
TODO: Use form characters of Unicode as last resort Arabic shaping.
*/ */
/* Convert a (possibly null-terminated) UTF-8 string of at most SRCSIZE /* Convert a (possibly null-terminated) UTF-8 string of at most SRCSIZE

423
util/grub-mkfont.c
View file

@ -19,8 +19,10 @@
#include <config.h> #include <config.h>
#include <grub/types.h> #include <grub/types.h>
#include <grub/util/misc.h> #include <grub/util/misc.h>
#include <grub/misc.h>
#include <grub/i18n.h> #include <grub/i18n.h>
#include <grub/fontformat.h> #include <grub/fontformat.h>
#include <grub/font.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -29,6 +31,8 @@
#include <ft2build.h> #include <ft2build.h>
#include FT_FREETYPE_H #include FT_FREETYPE_H
#include FT_TRUETYPE_TAGS_H
#include FT_TRUETYPE_TABLES_H
#include <freetype/ftsynth.h> #include <freetype/ftsynth.h>
#include "progname.h" #include "progname.h"
@ -47,7 +51,7 @@ struct grub_glyph_info
int y_ofs; int y_ofs;
int device_width; int device_width;
int bitmap_size; int bitmap_size;
grub_uint8_t bitmap[0]; grub_uint8_t *bitmap;
}; };
enum file_formats enum file_formats
@ -76,7 +80,9 @@ struct grub_font_info
int flags; int flags;
int num_range; int num_range;
grub_uint32_t *ranges; grub_uint32_t *ranges;
struct grub_glyph_info *glyph; struct grub_glyph_info *glyphs_unsorted;
struct grub_glyph_info *glyphs_sorted;
int num_glyphs;
}; };
static struct option options[] = static struct option options[] =
@ -149,11 +155,11 @@ add_pixel (grub_uint8_t **data, int *mask, int not_blank)
*mask >>= 1; *mask >>= 1;
} }
void static void
add_char (struct grub_font_info *font_info, FT_Face face, add_glyph (struct grub_font_info *font_info, FT_UInt glyph_idx, FT_Face face,
grub_uint32_t char_code) grub_uint32_t char_code)
{ {
struct grub_glyph_info *glyph_info, **p_glyph; struct grub_glyph_info *glyph_info;
int width, height; int width, height;
grub_uint8_t *data; grub_uint8_t *data;
int mask, i, j, bitmap_size; int mask, i, j, bitmap_size;
@ -168,24 +174,17 @@ add_char (struct grub_font_info *font_info, FT_Face face,
else if (font_info->flags & GRUB_FONT_FLAG_FORCEHINT) else if (font_info->flags & GRUB_FONT_FLAG_FORCEHINT)
flag |= FT_LOAD_FORCE_AUTOHINT; flag |= FT_LOAD_FORCE_AUTOHINT;
if (FT_Load_Char (face, char_code, flag)) if (FT_Load_Glyph (face, glyph_idx, flag))
return; {
printf ("WARNING: Couldn't load glyph %x\n", glyph_idx);
return;
}
glyph = face->glyph; glyph = face->glyph;
if (font_info->flags & GRUB_FONT_FLAG_BOLD) if (font_info->flags & GRUB_FONT_FLAG_BOLD)
FT_GlyphSlot_Embolden (glyph); FT_GlyphSlot_Embolden (glyph);
p_glyph = &font_info->glyph;
while ((*p_glyph) && ((*p_glyph)->char_code > char_code))
{
p_glyph = &(*p_glyph)->next;
}
/* Ignore duplicated glyph. */
if ((*p_glyph) && ((*p_glyph)->char_code == char_code))
return;
if (glyph->next) if (glyph->next)
printf ("%x\n", char_code); printf ("%x\n", char_code);
@ -193,11 +192,13 @@ add_char (struct grub_font_info *font_info, FT_Face face,
height = glyph->bitmap.rows; height = glyph->bitmap.rows;
bitmap_size = ((width * height + 7) / 8); bitmap_size = ((width * height + 7) / 8);
glyph_info = xmalloc (sizeof (struct grub_glyph_info) + bitmap_size); glyph_info = xmalloc (sizeof (struct grub_glyph_info));
glyph_info->bitmap = xmalloc (bitmap_size);
glyph_info->bitmap_size = bitmap_size; glyph_info->bitmap_size = bitmap_size;
glyph_info->next = *p_glyph; glyph_info->next = font_info->glyphs_unsorted;
*p_glyph = glyph_info; font_info->glyphs_unsorted = glyph_info;
font_info->num_glyphs++;
glyph_info->char_code = char_code; glyph_info->char_code = char_code;
glyph_info->width = width; glyph_info->width = width;
@ -227,9 +228,318 @@ add_char (struct grub_font_info *font_info, FT_Face face,
(1 << (7 - (i & 7)))); (1 << (7 - (i & 7))));
} }
struct glyph_replace *subst_rightjoin, *subst_leftjoin, *subst_medijoin;
struct glyph_replace
{
struct glyph_replace *next;
grub_uint32_t from, to;
};
/* TODO: sort glyph_replace and use binary search if necessary. */
static void
add_char (struct grub_font_info *font_info, FT_Face face,
grub_uint32_t char_code)
{
FT_UInt glyph_idx;
struct glyph_replace *cur;
glyph_idx = FT_Get_Char_Index (face, char_code);
if (!glyph_idx)
return;
add_glyph (font_info, glyph_idx, face, char_code);
for (cur = subst_rightjoin; cur; cur = cur->next)
if (cur->from == glyph_idx)
{
add_glyph (font_info, cur->to, face,
char_code | GRUB_FONT_CODE_RIGHT_JOINED);
break;
}
for (cur = subst_leftjoin; cur; cur = cur->next)
if (cur->from == glyph_idx)
{
add_glyph (font_info, cur->to, face,
char_code | GRUB_FONT_CODE_LEFT_JOINED);
break;
}
for (cur = subst_medijoin; cur; cur = cur->next)
if (cur->from == glyph_idx)
{
add_glyph (font_info, cur->to, face,
char_code | GRUB_FONT_CODE_LEFT_JOINED
| GRUB_FONT_CODE_RIGHT_JOINED);
break;
}
}
struct gsub_header
{
grub_uint32_t version;
grub_uint16_t scripts_off;
grub_uint16_t features_off;
grub_uint16_t lookups_off;
} __attribute__ ((packed));
struct gsub_features
{
grub_uint16_t count;
struct
{
#define FEATURE_FINA 0x66696e61
#define FEATURE_INIT 0x696e6974
#define FEATURE_MEDI 0x6d656469
#define FEATURE_AALT 0x61616c74
grub_uint32_t feature_tag;
grub_uint16_t offset;
} __attribute__ ((packed)) features[0];
} __attribute__ ((packed));
struct gsub_feature
{
grub_uint16_t params;
grub_uint16_t lookupcount;
grub_uint16_t lookupindices[0];
} __attribute__ ((packed));
struct gsub_lookup_list
{
grub_uint16_t count;
grub_uint16_t offsets[0];
} __attribute__ ((packed));
struct gsub_lookup
{
grub_uint16_t type;
grub_uint16_t flag;
grub_uint16_t subtablecount;
grub_uint16_t subtables[0];
} __attribute__ ((packed));
struct gsub_substitution
{
grub_uint16_t type;
grub_uint16_t coverage_off;
union
{
grub_int16_t delta;
struct
{
grub_int16_t count;
grub_uint16_t repl[0];
};
};
} __attribute__ ((packed));
struct gsub_coverage_list
{
grub_uint16_t type;
grub_uint16_t count;
grub_uint16_t glyphs[0];
} __attribute__ ((packed));
struct gsub_coverage_ranges
{
grub_uint16_t type;
grub_uint16_t count;
struct
{
grub_uint16_t start;
grub_uint16_t end;
grub_uint16_t start_index;
} __attribute__ ((packed)) ranges[0];
} __attribute__ ((packed));
#define GSUB_SINGLE_SUBSTITUTION 1
#define GSUB_SUBSTITUTION_DELTA 1
#define GSUB_SUBSTITUTION_MAP 2
#define GSUB_COVERAGE_LIST 1
#define GSUB_COVERAGE_RANGE 2
#define GSUB_RTL_CHAR 1
static void
add_subst (grub_uint32_t from, grub_uint32_t to, struct glyph_replace **target)
{
struct glyph_replace *new = xmalloc (sizeof (*new));
new->next = *target;
new->from = from;
new->to = to;
*target = new;
}
static void
process_cursive (struct gsub_feature *feature,
struct gsub_lookup_list *lookups,
grub_uint32_t feattag)
{
int j, k;
int i;
struct glyph_replace **target;
struct gsub_substitution *sub;
auto inline void subst (grub_uint32_t glyph);
void subst (grub_uint32_t glyph)
{
grub_uint16_t substtype;
substtype = grub_be_to_cpu16 (sub->type);
if (substtype == GSUB_SUBSTITUTION_DELTA)
add_subst (glyph, glyph + grub_be_to_cpu16 (sub->delta), target);
else if (i >= grub_be_to_cpu16 (sub->count))
printf ("Out of range substitution (%d, %d)\n", i,
grub_be_to_cpu16 (sub->count));
else
add_subst (glyph, grub_be_to_cpu16 (sub->repl[i++]), target);
}
for (j = 0; j < grub_be_to_cpu16 (feature->lookupcount); j++)
{
int lookup_index = grub_be_to_cpu16 (feature->lookupindices[j]);
struct gsub_lookup *lookup;
if (lookup_index >= grub_be_to_cpu16 (lookups->count))
{
printf ("Out of range lookup: %d\n", lookup_index);
continue;
}
lookup = (struct gsub_lookup *)
((grub_uint8_t *) lookups
+ grub_be_to_cpu16 (lookups->offsets[lookup_index]));
if (grub_be_to_cpu16 (lookup->type) != GSUB_SINGLE_SUBSTITUTION)
{
printf ("Unsupported substitution type: %d\n",
grub_be_to_cpu16 (lookup->type));
continue;
}
if (grub_be_to_cpu16 (lookup->flag) & ~GSUB_RTL_CHAR)
{
printf ("Unsupported substitution flag: 0x%x\n",
grub_be_to_cpu16 (lookup->flag));
}
switch (feattag)
{
case FEATURE_INIT:
if (grub_be_to_cpu16 (lookup->flag) & GSUB_RTL_CHAR)
target = &subst_leftjoin;
else
target = &subst_rightjoin;
break;
case FEATURE_FINA:
if (grub_be_to_cpu16 (lookup->flag) & GSUB_RTL_CHAR)
target = &subst_rightjoin;
else
target = &subst_leftjoin;
break;
case FEATURE_MEDI:
target = &subst_medijoin;
break;
}
for (k = 0; k < grub_be_to_cpu16 (lookup->subtablecount); k++)
{
sub = (struct gsub_substitution *)
((grub_uint8_t *) lookup + grub_be_to_cpu16 (lookup->subtables[k]));
grub_uint16_t substtype;
substtype = grub_be_to_cpu16 (sub->type);
if (substtype != GSUB_SUBSTITUTION_MAP
&& substtype != GSUB_SUBSTITUTION_DELTA)
{
printf ("Unsupported substitution specification: %d\n",
substtype);
continue;
}
void *coverage = (grub_uint8_t *) sub
+ grub_be_to_cpu16 (sub->coverage_off);
grub_uint32_t covertype;
covertype = grub_be_to_cpu16 (*(grub_uint16_t * __attribute__ ((packed))) coverage);
i = 0;
if (covertype == GSUB_COVERAGE_LIST)
{
struct gsub_coverage_list *cover = coverage;
int l;
for (l = 0; l < grub_be_to_cpu16 (cover->count); l++)
subst (grub_be_to_cpu16 (cover->glyphs[l]));
}
else if (covertype == GSUB_COVERAGE_RANGE)
{
struct gsub_coverage_ranges *cover = coverage;
int l, m;
for (l = 0; l < grub_be_to_cpu16 (cover->count); l++)
for (m = grub_be_to_cpu16 (cover->ranges[l].start);
m <= grub_be_to_cpu16 (cover->ranges[l].end); m++)
subst (m);
}
else
printf ("Unsupported coverage specification: %d\n", covertype);
}
}
}
void void
add_font (struct grub_font_info *font_info, FT_Face face) add_font (struct grub_font_info *font_info, FT_Face face)
{ {
struct gsub_header *gsub = NULL;
FT_ULong gsub_len = 0;
if (!FT_Load_Sfnt_Table (face, TTAG_GSUB, 0, NULL, &gsub_len))
{
gsub = xmalloc (gsub_len);
if (FT_Load_Sfnt_Table (face, TTAG_GSUB, 0, (void *) gsub, &gsub_len))
{
free (gsub);
gsub = NULL;
gsub_len = 0;
}
}
if (gsub)
{
struct gsub_features *features
= (struct gsub_features *) (((grub_uint8_t *) gsub)
+ grub_be_to_cpu16 (gsub->features_off));
struct gsub_lookup_list *lookups
= (struct gsub_lookup_list *) (((grub_uint8_t *) gsub)
+ grub_be_to_cpu16 (gsub->lookups_off));
int i;
int nfeatures = grub_be_to_cpu16 (features->count);
for (i = 0; i < nfeatures; i++)
{
struct gsub_feature *feature = (struct gsub_feature *)
((grub_uint8_t *) features
+ grub_be_to_cpu16 (features->features[i].offset));
grub_uint32_t feattag
= grub_be_to_cpu32 (features->features[i].feature_tag);
if (feature->params)
printf ("WARNING: unsupported feature parameters: %x\n",
grub_be_to_cpu16 (feature->params));
switch (feattag)
{
/* Used for retrieving all possible variants. Useless in grub. */
case FEATURE_AALT:
break;
/* Cursive form variants. */
case FEATURE_FINA:
case FEATURE_INIT:
case FEATURE_MEDI:
process_cursive (feature, lookups, feattag);
break;
default:
{
char str[5];
int j;
memcpy (str, &features->features[i].feature_tag,
sizeof (features->features[i].feature_tag));
str[4] = 0;
for (j = 0; j < 4; j++)
if (!grub_isgraph (str[j]))
str[j] = '?';
printf ("Unknown gsub feature 0x%x (%s)\n", feattag, str);
}
}
}
}
if (font_info->num_range) if (font_info->num_range)
{ {
int i; int i;
@ -287,7 +597,8 @@ print_glyphs (struct grub_font_info *font_info)
struct grub_glyph_info *glyph; struct grub_glyph_info *glyph;
char line[512]; char line[512];
for (glyph = font_info->glyph, num = 0; glyph; glyph = glyph->next, num++) for (glyph = font_info->glyphs_sorted, num = 0; num < font_info->num_glyphs;
glyph++, num++)
{ {
int x, y, xmax, xmin, ymax, ymin; int x, y, xmax, xmin, ymax, ymin;
grub_uint8_t *bitmap, mask; grub_uint8_t *bitmap, mask;
@ -363,7 +674,8 @@ write_font_ascii_bitmap (struct grub_font_info *font_info, char *output_file)
grub_util_error ("Can\'t write to file %s.", output_file); grub_util_error ("Can\'t write to file %s.", output_file);
int correct_size; int correct_size;
for (glyph = font_info->glyph, num = 0; glyph; glyph = glyph->next, num++) for (glyph = font_info->glyphs_sorted, num = 0; num < font_info->num_glyphs;
glyph++, num++)
{ {
correct_size = 1; correct_size = 1;
if (glyph->width != 8 || glyph->height != 16) if (glyph->width != 8 || glyph->height != 16)
@ -397,7 +709,8 @@ write_font_width_spec (struct grub_font_info *font_info, char *output_file)
if (! file) if (! file)
grub_util_error ("Can\'t write to file %s.", output_file); grub_util_error ("Can\'t write to file %s.", output_file);
for (glyph = font_info->glyph; glyph; glyph = glyph->next) for (glyph = font_info->glyphs_sorted;
glyph < font_info->glyphs_sorted + font_info->num_glyphs; glyph++)
if (glyph->width > 12) if (glyph->width > 12)
out[glyph->char_code >> 3] |= (1 << (glyph->char_code & 7)); out[glyph->char_code >> 3] |= (1 << (glyph->char_code & 7));
@ -412,8 +725,8 @@ write_font_pf2 (struct grub_font_info *font_info, char *output_file)
FILE *file; FILE *file;
grub_uint32_t leng, data; grub_uint32_t leng, data;
char style_name[20], *font_name; char style_name[20], *font_name;
struct grub_glyph_info *cur, *pre; int offset;
int num, offset; struct grub_glyph_info *cur;
file = fopen (output_file, "wb"); file = fopen (output_file, "wb");
if (! file) if (! file)
@ -497,33 +810,18 @@ write_font_pf2 (struct grub_font_info *font_info, char *output_file)
printf ("Font descent: %d\n", font_info->desc); printf ("Font descent: %d\n", font_info->desc);
} }
num = 0;
pre = 0;
cur = font_info->glyph;
while (cur)
{
struct grub_glyph_info *nxt;
nxt = cur->next;
cur->next = pre;
pre = cur;
cur = nxt;
num++;
}
font_info->glyph = pre;
if (font_verbosity > 0) if (font_verbosity > 0)
printf ("Number of glyph: %d\n", num); printf ("Number of glyph: %d\n", font_info->num_glyphs);
leng = grub_cpu_to_be32 (num * 9); leng = grub_cpu_to_be32 (font_info->num_glyphs * 9);
grub_util_write_image (FONT_FORMAT_SECTION_NAMES_CHAR_INDEX, grub_util_write_image (FONT_FORMAT_SECTION_NAMES_CHAR_INDEX,
sizeof(FONT_FORMAT_SECTION_NAMES_CHAR_INDEX) - 1, sizeof(FONT_FORMAT_SECTION_NAMES_CHAR_INDEX) - 1,
file); file);
grub_util_write_image ((char *) &leng, 4, file); grub_util_write_image ((char *) &leng, 4, file);
offset += 8 + num * 9 + 8; offset += 8 + font_info->num_glyphs * 9 + 8;
for (cur = font_info->glyph; cur; cur = cur->next) for (cur = font_info->glyphs_sorted;
cur < font_info->glyphs_sorted + font_info->num_glyphs; cur++)
{ {
data = grub_cpu_to_be32 (cur->char_code); data = grub_cpu_to_be32 (cur->char_code);
grub_util_write_image ((char *) &data, 4, file); grub_util_write_image ((char *) &data, 4, file);
@ -539,7 +837,8 @@ write_font_pf2 (struct grub_font_info *font_info, char *output_file)
sizeof(FONT_FORMAT_SECTION_NAMES_DATA) - 1, file); sizeof(FONT_FORMAT_SECTION_NAMES_DATA) - 1, file);
grub_util_write_image ((char *) &leng, 4, file); grub_util_write_image ((char *) &leng, 4, file);
for (cur = font_info->glyph; cur; cur = cur->next) for (cur = font_info->glyphs_sorted;
cur < font_info->glyphs_sorted + font_info->num_glyphs; cur++)
{ {
data = grub_cpu_to_be16 (cur->width); data = grub_cpu_to_be16 (cur->width);
grub_util_write_image ((char *) &data, 2, file); grub_util_write_image ((char *) &data, 2, file);
@ -742,6 +1041,36 @@ main (int argc, char *argv[])
FT_Done_FreeType (ft_lib); FT_Done_FreeType (ft_lib);
{
int counter[65537];
struct grub_glyph_info *tmp, *cur;
int i;
memset (counter, 0, sizeof (counter));
for (cur = font_info.glyphs_unsorted; cur; cur = cur->next)
counter[(cur->char_code & 0xffff) + 1]++;
for (i = 0; i < 0x10000; i++)
counter[i+1] += counter[i];
tmp = xmalloc (font_info.num_glyphs
* sizeof (tmp[0]));
for (cur = font_info.glyphs_unsorted; cur; cur = cur->next)
tmp[counter[(cur->char_code & 0xffff)]++] = *cur;
memset (counter, 0, sizeof (counter));
for (cur = tmp; cur < tmp + font_info.num_glyphs; cur++)
counter[((cur->char_code & 0xffff0000) >> 16) + 1]++;
for (i = 0; i < 0x10000; i++)
counter[i+1] += counter[i];
font_info.glyphs_sorted = xmalloc (font_info.num_glyphs
* sizeof (font_info.glyphs_sorted[0]));
for (cur = tmp; cur < tmp + font_info.num_glyphs; cur++)
font_info.glyphs_sorted[counter[(cur->char_code & 0xffff0000) >> 16]++]
= *cur;
free (tmp);
}
switch (file_format) switch (file_format)
{ {
case PF2: case PF2: