/* */
/* FreeType font driver for Windows FNT/FON files */
/* */
-/* Copyright 1996-2004, 2006-2012 by */
+/* Copyright 1996-2004, 2006-2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* Copyright 2003 Huw D M Davies for Codeweavers */
/* Copyright 2007 Dmitry Timoshkov for Codeweavers */
FT_FRAME_START( 248 ),
FT_FRAME_ULONG_LE ( magic ), /* PE00 */
- FT_FRAME_USHORT_LE ( machine ), /* 0x014c - i386 */
+ FT_FRAME_USHORT_LE ( machine ), /* 0x014C - i386 */
FT_FRAME_USHORT_LE ( number_of_sections ),
FT_FRAME_SKIP_BYTES( 12 ),
FT_FRAME_USHORT_LE ( size_of_optional_header ),
FT_FRAME_SKIP_BYTES( 2 ),
- FT_FRAME_USHORT_LE ( magic32 ), /* 0x10b */
+ FT_FRAME_USHORT_LE ( magic32 ), /* 0x10B */
FT_FRAME_SKIP_BYTES( 110 ),
FT_FRAME_ULONG_LE ( rsrc_virtual_address ),
FT_FRAME_ULONG_LE ( rsrc_size ),
header->version != 0x300 )
{
FT_TRACE2(( " not a Windows FNT file\n" ));
- error = FNT_Err_Unknown_File_Format;
+ error = FT_THROW( Unknown_File_Format );
goto Exit;
}
if ( header->file_size < size )
{
FT_TRACE2(( " not a Windows FNT file\n" ));
- error = FNT_Err_Unknown_File_Format;
+ error = FT_THROW( Unknown_File_Format );
goto Exit;
}
if ( header->file_type & 1 )
{
FT_TRACE2(( "[can't handle vector FNT fonts]\n" ));
- error = FNT_Err_Unknown_File_Format;
+ error = FT_THROW( Unknown_File_Format );
goto Exit;
}
FT_STREAM_READ_FIELDS( winmz_header_fields, &mz_header ) )
goto Exit;
- error = FNT_Err_Unknown_File_Format;
+ error = FT_ERR( Unknown_File_Format );
if ( mz_header.magic == WINFNT_MZ_MAGIC )
{
/* yes, now look for an NE header in the file */
FT_STREAM_READ_FIELDS( winne_header_fields, &ne_header ) )
goto Exit;
- error = FNT_Err_Unknown_File_Format;
+ error = FT_ERR( Unknown_File_Format );
if ( ne_header.magic == WINFNT_NE_MAGIC )
{
/* good, now look into the resource table for each FNT resource */
if ( !font_count || !font_offset )
{
FT_TRACE2(( "this file doesn't contain any FNT resources\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( font_count * 118UL > stream->size )
{
FT_TRACE2(( "invalid number of faces\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( face_index >= font_count )
{
- error = FNT_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
goto Exit;
}
else if ( face_index < 0 )
pe32_header.rsrc_size ));
if ( pe32_header.magic != WINFNT_PE_MAGIC /* check full signature */ ||
- pe32_header.machine != 0x014c /* i386 */ ||
- pe32_header.size_of_optional_header != 0xe0 /* FIXME */ ||
- pe32_header.magic32 != 0x10b )
+ pe32_header.machine != 0x014C /* i386 */ ||
+ pe32_header.size_of_optional_header != 0xE0 /* FIXME */ ||
+ pe32_header.magic32 != 0x10B )
{
FT_TRACE2(( "this file has an invalid PE header\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
}
FT_TRACE2(( "this file doesn't contain any resources\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
Found_rsrc_section:
if ( !(dir_entry1.offset & 0x80000000UL ) /* DataIsDirectory */ )
{
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( !(dir_entry2.offset & 0x80000000UL ) /* DataIsDirectory */ )
{
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( dir_entry2.offset & 0x80000000UL /* DataIsDirectory */ )
{
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( !face->root.num_faces )
{
FT_TRACE2(( "this file doesn't contain any RT_FONT resources\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
if ( face_index >= face->root.num_faces )
{
- error = FNT_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
goto Exit;
}
}
static FT_Error
- fnt_cmap_init( FNT_CMap cmap )
+ fnt_cmap_init( FNT_CMap cmap,
+ FT_Pointer pointer )
{
FNT_Face face = (FNT_Face)FT_CMAP_FACE( cmap );
FNT_Font font = face->font;
+ FT_UNUSED( pointer );
+
cmap->first = (FT_UInt32) font->header.first_char;
cmap->count = (FT_UInt32)( font->header.last_char - cmap->first + 1 );
if ( !error && face_index < 0 )
goto Exit;
- if ( error == FNT_Err_Unknown_File_Format )
+ if ( FT_ERR_EQ( error, Unknown_File_Format ) )
{
/* this didn't work; try to load a single FNT font */
FNT_Font font;
if ( !error )
{
if ( face_index > 0 )
- error = FNT_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
else if ( face_index < 0 )
goto Exit;
}
root->face_index = face_index;
- root->face_flags = FT_FACE_FLAG_FIXED_SIZES |
- FT_FACE_FLAG_HORIZONTAL;
+ root->face_flags |= FT_FACE_FLAG_FIXED_SIZES |
+ FT_FACE_FLAG_HORIZONTAL;
if ( font->header.avg_width == font->header.max_width )
root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
if ( font->header.last_char < font->header.first_char )
{
FT_TRACE2(( "invalid number of glyphs\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Fail;
}
if ( font->header.face_name_offset >= font->header.file_size )
{
FT_TRACE2(( "invalid family name offset\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Fail;
}
family_size = font->header.file_size - font->header.face_name_offset;
header->ascent ) * 64;
size->metrics.max_advance = header->max_width * 64;
- return FNT_Err_Ok;
+ return FT_Err_Ok;
}
FNT_Face face = (FNT_Face)size->face;
FT_WinFNT_Header header = &face->font->header;
FT_Bitmap_Size* bsize = size->face->available_sizes;
- FT_Error error = FNT_Err_Invalid_Pixel_Size;
+ FT_Error error = FT_ERR( Invalid_Pixel_Size );
FT_Long height;
{
case FT_SIZE_REQUEST_TYPE_NOMINAL:
if ( height == ( ( bsize->y_ppem + 32 ) >> 6 ) )
- error = FNT_Err_Ok;
+ error = FT_Err_Ok;
break;
case FT_SIZE_REQUEST_TYPE_REAL_DIM:
if ( height == header->pixel_height )
- error = FNT_Err_Ok;
+ error = FT_Err_Ok;
break;
default:
- error = FNT_Err_Unimplemented_Feature;
+ error = FT_THROW( Unimplemented_Feature );
break;
}
{
FNT_Face face = (FNT_Face)FT_SIZE_FACE( size );
FNT_Font font;
- FT_Error error = FNT_Err_Ok;
+ FT_Error error = FT_Err_Ok;
FT_Byte* p;
FT_Int len;
FT_Bitmap* bitmap = &slot->bitmap;
if ( !face )
{
- error = FNT_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Face_Handle );
goto Exit;
}
font = face->font;
- if ( !font ||
+ if ( !font ||
glyph_index >= (FT_UInt)( FT_FACE( face )->num_glyphs ) )
{
- error = FNT_Err_Invalid_Argument;
+ error = FT_THROW( Invalid_Argument );
goto Exit;
}
+ FT_TRACE1(( "FNT_Load_Glyph: glyph index %d\n", glyph_index ));
+
if ( glyph_index > 0 )
glyph_index--; /* revert to real index */
else
- glyph_index = font->header.default_char; /* the .notdef glyph */
+ glyph_index = font->header.default_char; /* the `.notdef' glyph */
new_format = FT_BOOL( font->header.version == 0x300 );
len = new_format ? 6 : 4;
- /* jump to glyph entry */
- p = font->fnt_frame + ( new_format ? 148 : 118 ) + len * glyph_index;
+ /* get glyph width and offset */
+ offset = ( new_format ? 148 : 118 ) + len * glyph_index;
+
+ if ( offset >= font->header.file_size - 2 - ( new_format ? 4 : 2 ) )
+ {
+ FT_TRACE2(( "invalid FNT offset\n" ));
+ error = FT_THROW( Invalid_File_Format );
+ goto Exit;
+ }
+
+ p = font->fnt_frame + offset;
bitmap->width = FT_NEXT_SHORT_LE( p );
+ /* jump to glyph entry */
if ( new_format )
offset = FT_NEXT_ULONG_LE( p );
else
if ( offset >= font->header.file_size )
{
FT_TRACE2(( "invalid FNT offset\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
bitmap->rows = font->header.pixel_height;
bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
- if ( offset + pitch * bitmap->rows >= font->header.file_size )
+ if ( offset + pitch * bitmap->rows > font->header.file_size )
{
FT_TRACE2(( "invalid bitmap width\n" ));
- error = FNT_Err_Invalid_File_Format;
+ error = FT_THROW( Invalid_File_Format );
goto Exit;
}
0, /* FT_Slot_InitFunc */
0, /* FT_Slot_DoneFunc */
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- ft_stub_set_char_sizes,
- ft_stub_set_pixel_sizes,
-#endif
FNT_Load_Glyph,
0, /* FT_Face_GetKerningFunc */
projects / framework / graphics / freetype.git / blobdiff