FreeType font driver for bdf files
- Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 by
+ Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 by
Francesco Zappa Nardelli
Permission is hereby granted, free of charge, to any person obtaining a copy
#include FT_INTERNAL_STREAM_H
#include FT_INTERNAL_OBJECTS_H
#include FT_BDF_H
+#include FT_TRUETYPE_IDS_H
#include FT_SERVICE_BDF_H
#include FT_SERVICE_XFREE86_NAME_H
typedef struct BDF_CMapRec_
{
FT_CMapRec cmap;
- FT_UInt num_encodings;
+ FT_ULong num_encodings; /* ftobjs.h: FT_CMap->clazz->size */
BDF_encoding_el* encodings;
} BDF_CMapRec, *BDF_CMap;
{
BDF_CMap cmap = (BDF_CMap)bdfcmap;
BDF_encoding_el* encodings = cmap->encodings;
- FT_UInt min, max, mid;
- FT_UInt result = 0;
+ FT_ULong min, max, mid; /* num_encodings */
+ FT_UShort result = 0; /* encodings->glyph */
min = 0;
while ( min < max )
{
- FT_UInt32 code;
+ FT_ULong code;
mid = ( min + max ) >> 1;
{
BDF_CMap cmap = (BDF_CMap)bdfcmap;
BDF_encoding_el* encodings = cmap->encodings;
- FT_UInt min, max, mid;
- FT_UInt32 charcode = *acharcode + 1;
- FT_UInt result = 0;
+ FT_ULong min, max, mid; /* num_encodings */
+ FT_UShort result = 0; /* encodings->glyph */
+ FT_ULong charcode = *acharcode + 1;
min = 0;
while ( min < max )
{
- FT_UInt32 code;
+ FT_ULong code; /* same as BDF_encoding_el.enc */
mid = ( min + max ) >> 1;
}
Exit:
- *acharcode = charcode;
+ if ( charcode > 0xFFFFFFFFUL )
+ {
+ FT_TRACE1(( "bdf_cmap_char_next: charcode 0x%x > 32bit API" ));
+ *acharcode = 0;
+ /* XXX: result should be changed to indicate an overflow error */
+ }
+ else
+ *acharcode = (FT_UInt32)charcode;
return result;
}
bdf_cmap_init,
bdf_cmap_done,
bdf_cmap_char_index,
- bdf_cmap_char_next
+ bdf_cmap_char_next,
+
+ NULL, NULL, NULL, NULL, NULL
};
bdf_font_t* font = bdf->bdffont;
bdf_property_t* prop;
- int nn, len;
- char* strings[4] = { NULL, NULL, NULL, NULL };
- int lengths[4];
+ char* strings[4] = { NULL, NULL, NULL, NULL };
+ size_t nn, len, lengths[4];
face->style_flags = 0;
/* add_style_name and setwidth_name */
if ( nn == 0 || nn == 3 )
{
- int mm;
+ size_t mm;
for ( mm = 0; mm < len; mm++ )
FT_CALLBACK_DEF( void )
BDF_Face_Done( FT_Face bdfface ) /* BDF_Face */
{
- BDF_Face face = (BDF_Face)bdfface;
- FT_Memory memory = FT_FACE_MEMORY( face );
+ BDF_Face face = (BDF_Face)bdfface;
+ FT_Memory memory;
+
+
+ if ( !face )
+ return;
+ memory = FT_FACE_MEMORY( face );
bdf_free_font( face->bdffont );
prop = bdf_get_font_property( font, "AVERAGE_WIDTH" );
if ( prop )
- bsize->width = (FT_Short)( ( prop->value.int32 + 5 ) / 10 );
+ bsize->width = (FT_Short)( ( prop->value.l + 5 ) / 10 );
else
bsize->width = (FT_Short)( bsize->height * 2/3 );
if ( prop )
/* convert from 722.7 decipoints to 72 points per inch */
bsize->size =
- (FT_Pos)( ( prop->value.int32 * 64 * 7200 + 36135L ) / 72270L );
+ (FT_Pos)( ( prop->value.l * 64 * 7200 + 36135L ) / 72270L );
else
bsize->size = bsize->width << 6;
prop = bdf_get_font_property( font, "PIXEL_SIZE" );
if ( prop )
- bsize->y_ppem = (FT_Short)prop->value.int32 << 6;
+ bsize->y_ppem = (FT_Short)prop->value.l << 6;
prop = bdf_get_font_property( font, "RESOLUTION_X" );
if ( prop )
- resolution_x = (FT_Short)prop->value.int32;
+ resolution_x = (FT_Short)prop->value.l;
prop = bdf_get_font_property( font, "RESOLUTION_Y" );
if ( prop )
- resolution_y = (FT_Short)prop->value.int32;
+ resolution_y = (FT_Short)prop->value.l;
if ( bsize->y_ppem == 0 )
{
(face->en_table[n]).glyph = (FT_Short)n;
if ( cur[n].encoding == font->default_char )
- face->default_glyph = n;
+ {
+ if ( n < FT_UINT_MAX )
+ face->default_glyph = (FT_UInt)n;
+ else
+ FT_TRACE1(( "idx %d is too large for this system\n", n ));
+ }
}
}
charmap.face = FT_FACE( face );
charmap.encoding = FT_ENCODING_NONE;
- charmap.platform_id = 0;
- charmap.encoding_id = 0;
+ /* initial platform/encoding should indicate unset status? */
+ charmap.platform_id = TT_PLATFORM_APPLE_UNICODE;
+ charmap.encoding_id = TT_APPLE_ID_DEFAULT;
if ( unicode_charmap )
{
charmap.encoding = FT_ENCODING_UNICODE;
- charmap.platform_id = 3;
- charmap.encoding_id = 1;
+ charmap.platform_id = TT_PLATFORM_MICROSOFT;
+ charmap.encoding_id = TT_MS_ID_UNICODE_CS;
}
error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL );
charmap.face = FT_FACE( face );
charmap.encoding = FT_ENCODING_ADOBE_STANDARD;
- charmap.platform_id = 7;
- charmap.encoding_id = 0;
+ charmap.platform_id = TT_PLATFORM_ADOBE;
+ charmap.encoding_id = TT_ADOBE_ID_STANDARD;
error = FT_CMap_New( &bdf_cmap_class, NULL, &charmap, NULL );
switch ( req->type )
{
case FT_SIZE_REQUEST_TYPE_NOMINAL:
- if ( height == ( bsize->y_ppem + 32 ) >> 6 )
+ if ( height == ( ( bsize->y_ppem + 32 ) >> 6 ) )
error = BDF_Err_Ok;
break;
bitmap->rows = glyph.bbx.height;
bitmap->width = glyph.bbx.width;
- bitmap->pitch = glyph.bpr;
+ if ( glyph.bpr > INT_MAX )
+ FT_TRACE1(( "BDF_Glyph_Load: too large pitch %d is truncated\n",
+ glyph.bpr ));
+ bitmap->pitch = (int)glyph.bpr; /* same as FT_Bitmap.pitch */
/* note: we don't allocate a new array to hold the bitmap; */
/* we can simply point to it */
break;
case BDF_INTEGER:
+ if ( prop->value.l > 0x7FFFFFFFL || prop->value.l < ( -1 - 0x7FFFFFFFL ) )
+ {
+ FT_TRACE1(( "bdf_get_bdf_property: " ));
+ FT_TRACE1(( "too large integer 0x%x is truncated\n" ));
+ }
aproperty->type = BDF_PROPERTY_TYPE_INTEGER;
- aproperty->u.integer = prop->value.int32;
+ aproperty->u.integer = (FT_Int32)prop->value.l;
break;
case BDF_CARDINAL:
+ if ( prop->value.ul > 0xFFFFFFFFUL )
+ {
+ FT_TRACE1(( "bdf_get_bdf_property: " ));
+ FT_TRACE1(( "too large cardinal 0x%x is truncated\n" ));
+ }
aproperty->type = BDF_PROPERTY_TYPE_CARDINAL;
- aproperty->u.cardinal = prop->value.card32;
+ aproperty->u.cardinal = (FT_UInt32)prop->value.ul;
break;
default: