static FT_Error
pcf_get_encodings( FT_Stream stream,
PCF_Face face )
{
FT_Error error = PCF_Err_Ok;
FT_Memory memory = FT_FACE(face)->memory;
FT_ULong format, size;
int firstCol, lastCol;
int firstRow, lastRow;
int nencoding, encodingOffset;
int i, j;
PCF_Encoding tmpEncoding, encoding = 0;
error = pcf_seek_to_table_type( stream,
face->toc.tables,
face->toc.count,
PCF_BDF_ENCODINGS,
&format,
&size );
if ( error )
return error;
error = FT_Stream_EnterFrame( stream, 14 );
if ( error )
return error;
format = FT_GET_ULONG_LE();
if ( PCF_BYTE_ORDER( format ) == MSBFirst )
{
firstCol = FT_GET_SHORT();
lastCol = FT_GET_SHORT();
firstRow = FT_GET_SHORT();
lastRow = FT_GET_SHORT();
face->defaultChar = FT_GET_SHORT();
}
else
{
firstCol = FT_GET_SHORT_LE();
lastCol = FT_GET_SHORT_LE();
firstRow = FT_GET_SHORT_LE();
lastRow = FT_GET_SHORT_LE();
face->defaultChar = FT_GET_SHORT_LE();
}
FT_Stream_ExitFrame( stream );
if ( !PCF_FORMAT_MATCH( format, PCF_DEFAULT_FORMAT ) )
return PCF_Err_Invalid_File_Format;
FT_TRACE4(( "pdf_get_encodings:\n" ));
FT_TRACE4(( " firstCol %d, lastCol %d, firstRow %d, lastRow %d\n",
firstCol, lastCol, firstRow, lastRow ));
nencoding = ( lastCol - firstCol + 1 ) * ( lastRow - firstRow + 1 );
if ( FT_NEW_ARRAY( tmpEncoding, nencoding ) )
return PCF_Err_Out_Of_Memory;
error = FT_Stream_EnterFrame( stream, 2 * nencoding );
if ( error )
goto Bail;
for ( i = 0, j = 0 ; i < nencoding; i++ )
{
if ( PCF_BYTE_ORDER( format ) == MSBFirst )
encodingOffset = FT_GET_SHORT();
else
encodingOffset = FT_GET_SHORT_LE();
if ( encodingOffset != -1 )
{
tmpEncoding[j].enc = ( ( ( i / ( lastCol - firstCol + 1 ) ) +
firstRow ) * 256 ) +
( ( i % ( lastCol - firstCol + 1 ) ) +
firstCol );
tmpEncoding[j].glyph = (FT_Short)encodingOffset;
FT_TRACE5(( " code %d (0x%04X): idx %d\n",
tmpEncoding[j].enc, tmpEncoding[j].enc,
tmpEncoding[j].glyph ));
j++;
}
}
FT_Stream_ExitFrame( stream );
if ( FT_NEW_ARRAY( encoding, j ) )
goto Bail;
for ( i = 0; i < j; i++ )
{
encoding[i].enc = tmpEncoding[i].enc;
encoding[i].glyph = tmpEncoding[i].glyph;
}
face->nencodings = j;
face->encodings = encoding;
FT_FREE( tmpEncoding );
return error;
Bail:
FT_FREE( encoding );
FT_FREE( tmpEncoding );
return error;
}
static FT_Error
pcf_get_encodings( FT_Stream stream,
PCF_Face face )
{
FT_Error error;
FT_Memory memory = FT_FACE( face )->memory;
FT_ULong format, size;
int firstCol, lastCol;
int firstRow, lastRow;
int nencoding, encodingOffset;
int i, j, k;
PCF_Encoding encoding = NULL;
error = pcf_seek_to_table_type( stream,
face->toc.tables,
face->toc.count,
PCF_BDF_ENCODINGS,
&format,
&size );
if ( error )
return error;
error = FT_Stream_EnterFrame( stream, 14 );
if ( error )
return error;
format = FT_GET_ULONG_LE();
if ( PCF_BYTE_ORDER( format ) == MSBFirst )
{
firstCol = FT_GET_SHORT();
lastCol = FT_GET_SHORT();
firstRow = FT_GET_SHORT();
lastRow = FT_GET_SHORT();
face->defaultChar = FT_GET_SHORT();
}
else
{
firstCol = FT_GET_SHORT_LE();
lastCol = FT_GET_SHORT_LE();
firstRow = FT_GET_SHORT_LE();
lastRow = FT_GET_SHORT_LE();
face->defaultChar = FT_GET_SHORT_LE();
}
FT_Stream_ExitFrame( stream );
if ( !PCF_FORMAT_MATCH( format, PCF_DEFAULT_FORMAT ) )
return FT_THROW( Invalid_File_Format );
/* sanity checks */
if ( firstCol < 0 ||
firstCol > lastCol ||
lastCol > 0xFF ||
firstRow < 0 ||
firstRow > lastRow ||
lastRow > 0xFF )
return FT_THROW( Invalid_Table );
FT_TRACE4(( "pdf_get_encodings:\n" ));
FT_TRACE4(( " firstCol %d, lastCol %d, firstRow %d, lastRow %d\n",
firstCol, lastCol, firstRow, lastRow ));
nencoding = ( lastCol - firstCol + 1 ) * ( lastRow - firstRow + 1 );
if ( FT_NEW_ARRAY( encoding, nencoding ) )
return FT_THROW( Out_Of_Memory );
error = FT_Stream_EnterFrame( stream, 2 * nencoding );
if ( error )
goto Bail;
k = 0;
for ( i = firstRow; i <= lastRow; i++ )
{
for ( j = firstCol; j <= lastCol; j++ )
{
if ( PCF_BYTE_ORDER( format ) == MSBFirst )
encodingOffset = FT_GET_SHORT();
else
encodingOffset = FT_GET_SHORT_LE();
if ( encodingOffset != -1 )
{
encoding[k].enc = i * 256 + j;
encoding[k].glyph = (FT_Short)encodingOffset;
FT_TRACE5(( " code %d (0x%04X): idx %d\n",
encoding[k].enc, encoding[k].enc, encoding[k].glyph ));
k++;
}
}
}
FT_Stream_ExitFrame( stream );
if ( FT_RENEW_ARRAY( encoding, nencoding, k ) )
goto Bail;
face->nencodings = k;
face->encodings = encoding;
return error;
Bail:
FT_FREE( encoding );
return error;
}
