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Diffstat (limited to 'src/3rdparty/freetype/src/bdf/bdflib.c')
-rw-r--r--src/3rdparty/freetype/src/bdf/bdflib.c160
1 files changed, 101 insertions, 59 deletions
diff --git a/src/3rdparty/freetype/src/bdf/bdflib.c b/src/3rdparty/freetype/src/bdf/bdflib.c
index abcfdee7be..414deb58ad 100644
--- a/src/3rdparty/freetype/src/bdf/bdflib.c
+++ b/src/3rdparty/freetype/src/bdf/bdflib.c
@@ -243,7 +243,7 @@
/* Mocklisp hash function. */
while ( *kp )
- res = ( res << 5 ) - res + *kp++;
+ res = ( res << 5 ) - res + (unsigned long)*kp++;
ndp = bp + ( res % ht->size );
while ( *ndp )
@@ -264,9 +264,9 @@
hash_rehash( hashtable* ht,
FT_Memory memory )
{
- hashnode* obp = ht->table, *bp, *nbp;
- int i, sz = ht->size;
- FT_Error error = FT_Err_Ok;
+ hashnode* obp = ht->table, *bp, *nbp;
+ unsigned int i, sz = ht->size;
+ FT_Error error = FT_Err_Ok;
ht->size <<= 1;
@@ -294,8 +294,8 @@
hash_init( hashtable* ht,
FT_Memory memory )
{
- int sz = INITIAL_HT_SIZE;
- FT_Error error = FT_Err_Ok;
+ unsigned int sz = INITIAL_HT_SIZE;
+ FT_Error error = FT_Err_Ok;
ht->size = sz;
@@ -316,8 +316,8 @@
{
if ( ht != 0 )
{
- int i, sz = ht->size;
- hashnode* bp = ht->table;
+ unsigned int i, sz = ht->size;
+ hashnode* bp = ht->table;
for ( i = 0; i < sz; i++, bp++ )
@@ -570,10 +570,11 @@
char* line,
unsigned long linelen )
{
- int mult, final_empty;
- char *sp, *ep, *end;
- char seps[32];
- FT_Error error = FT_Err_Ok;
+ unsigned long final_empty;
+ int mult;
+ char *sp, *ep, *end;
+ char seps[32];
+ FT_Error error = FT_Err_Ok;
/* Initialize the list. */
@@ -682,7 +683,7 @@
unsigned long lineno, buf_size;
int refill, hold, to_skip;
ptrdiff_t bytes, start, end, cursor, avail;
- char* buf = 0;
+ char* buf = NULL;
FT_Memory memory = stream->memory;
FT_Error error = FT_Err_Ok;
@@ -715,7 +716,7 @@
{
bytes = (ptrdiff_t)FT_Stream_TryRead(
stream, (FT_Byte*)buf + cursor,
- (FT_ULong)( buf_size - cursor ) );
+ buf_size - (unsigned long)cursor );
avail = cursor + bytes;
cursor = 0;
refill = 0;
@@ -760,7 +761,7 @@
if ( FT_RENEW_ARRAY( buf, buf_size, new_size ) )
goto Exit;
- cursor = buf_size;
+ cursor = (ptrdiff_t)buf_size;
buf_size = new_size;
}
else
@@ -858,9 +859,9 @@
/* Routine to convert an ASCII string into an unsigned long integer. */
static unsigned long
- _bdf_atoul( char* s,
- char** end,
- int base )
+ _bdf_atoul( char* s,
+ char** end,
+ unsigned int base )
{
unsigned long v;
const unsigned char* dmap;
@@ -903,7 +904,7 @@
}
- /* Routine to convert an ASCII string into an signed long integer. */
+ /* Routine to convert an ASCII string into a signed long integer. */
static long
_bdf_atol( char* s,
char** end,
@@ -958,7 +959,54 @@
}
- /* Routine to convert an ASCII string into an signed short integer. */
+ /* Routine to convert an ASCII string into an unsigned short integer. */
+ static unsigned short
+ _bdf_atous( char* s,
+ char** end,
+ unsigned int base )
+ {
+ unsigned short v;
+ const unsigned char* dmap;
+
+
+ if ( s == 0 || *s == 0 )
+ return 0;
+
+ /* Make sure the radix is something recognizable. Default to 10. */
+ switch ( base )
+ {
+ case 8:
+ dmap = odigits;
+ break;
+ case 16:
+ dmap = hdigits;
+ break;
+ default:
+ base = 10;
+ dmap = ddigits;
+ break;
+ }
+
+ /* Check for the special hex prefix. */
+ if ( *s == '0' &&
+ ( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
+ {
+ base = 16;
+ dmap = hdigits;
+ s += 2;
+ }
+
+ for ( v = 0; sbitset( dmap, *s ); s++ )
+ v = (unsigned short)( v * base + a2i[(int)*s] );
+
+ if ( end != 0 )
+ *end = s;
+
+ return v;
+ }
+
+
+ /* Routine to convert an ASCII string into a signed short integer. */
static short
_bdf_atos( char* s,
char** end,
@@ -1115,20 +1163,20 @@
/* Parse flags. */
-#define _BDF_START 0x0001
-#define _BDF_FONT_NAME 0x0002
-#define _BDF_SIZE 0x0004
-#define _BDF_FONT_BBX 0x0008
-#define _BDF_PROPS 0x0010
-#define _BDF_GLYPHS 0x0020
-#define _BDF_GLYPH 0x0040
-#define _BDF_ENCODING 0x0080
-#define _BDF_SWIDTH 0x0100
-#define _BDF_DWIDTH 0x0200
-#define _BDF_BBX 0x0400
-#define _BDF_BITMAP 0x0800
-
-#define _BDF_SWIDTH_ADJ 0x1000
+#define _BDF_START 0x0001U
+#define _BDF_FONT_NAME 0x0002U
+#define _BDF_SIZE 0x0004U
+#define _BDF_FONT_BBX 0x0008U
+#define _BDF_PROPS 0x0010U
+#define _BDF_GLYPHS 0x0020U
+#define _BDF_GLYPH 0x0040U
+#define _BDF_ENCODING 0x0080U
+#define _BDF_SWIDTH 0x0100U
+#define _BDF_DWIDTH 0x0200U
+#define _BDF_BBX 0x0400U
+#define _BDF_BITMAP 0x0800U
+
+#define _BDF_SWIDTH_ADJ 0x1000U
#define _BDF_GLYPH_BITS ( _BDF_GLYPH | \
_BDF_ENCODING | \
@@ -1703,7 +1751,7 @@
glyph->encoding = p->glyph_enc;
/* Reset the initial glyph info. */
- p->glyph_name = 0;
+ p->glyph_name = NULL;
}
else
{
@@ -1724,14 +1772,14 @@
glyph = font->unencoded + font->unencoded_used;
glyph->name = p->glyph_name;
- glyph->encoding = font->unencoded_used++;
+ glyph->encoding = (long)font->unencoded_used++;
}
else
/* Free up the glyph name if the unencoded shouldn't be */
/* kept. */
FT_FREE( p->glyph_name );
- p->glyph_name = 0;
+ p->glyph_name = NULL;
}
/* Clear the flags that might be added when width and height are */
@@ -1864,8 +1912,8 @@
if ( error )
goto Exit;
- glyph->bbx.width = _bdf_atos( p->list.field[1], 0, 10 );
- glyph->bbx.height = _bdf_atos( p->list.field[2], 0, 10 );
+ glyph->bbx.width = _bdf_atous( p->list.field[1], 0, 10 );
+ glyph->bbx.height = _bdf_atous( p->list.field[2], 0, 10 );
glyph->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
glyph->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
@@ -2225,8 +2273,8 @@
if ( error )
goto Exit;
- p->font->bbx.width = _bdf_atos( p->list.field[1], 0, 10 );
- p->font->bbx.height = _bdf_atos( p->list.field[2], 0, 10 );
+ p->font->bbx.width = _bdf_atous( p->list.field[1], 0, 10 );
+ p->font->bbx.height = _bdf_atous( p->list.field[2], 0, 10 );
p->font->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
p->font->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
@@ -2298,29 +2346,23 @@
/* Check for the bits per pixel field. */
if ( p->list.used == 5 )
{
- unsigned short bitcount, i, shift;
+ unsigned short bpp;
- p->font->bpp = (unsigned short)_bdf_atos( p->list.field[4], 0, 10 );
+ bpp = (unsigned short)_bdf_atos( p->list.field[4], 0, 10 );
- /* Only values 1, 2, 4, 8 are allowed. */
- shift = p->font->bpp;
- bitcount = 0;
- for ( i = 0; shift > 0; i++ )
- {
- if ( shift & 1 )
- bitcount = i;
- shift >>= 1;
- }
-
- shift = (short)( ( bitcount > 3 ) ? 8 : ( 1 << bitcount ) );
+ /* Only values 1, 2, 4, 8 are allowed for greymap fonts. */
+ if ( bpp > 4 )
+ p->font->bpp = 8;
+ else if ( bpp > 2 )
+ p->font->bpp = 4;
+ else if ( bpp > 1 )
+ p->font->bpp = 2;
+ else
+ p->font->bpp = 1;
- if ( p->font->bpp > shift || p->font->bpp != shift )
- {
- /* select next higher value */
- p->font->bpp = (unsigned short)( shift << 1 );
+ if ( p->font->bpp != bpp )
FT_TRACE2(( "_bdf_parse_start: " ACMSG11, p->font->bpp ));
- }
}
else
p->font->bpp = 1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-23 22:08:18 +0000