FT_Error FX_Activate_Stream( FT_Face face ) {
FT_ULong ulPos;
FT_Error error;
ulPos = face->stream->pos;
if ( ! STREAM_FILE( face->stream )) {
error = FT_Stream_Open( face->stream, face->stream->pathname.pointer );
if ( !error )
DosSetFilePtr( STREAM_FILE( face->stream ),
ulPos, FILE_BEGIN, &(face->stream->pos));
}
else
error = FT_Err_Ok;
return error;
}
ft_ansi_stream_close( FT_Stream stream )
{
ft_fclose( STREAM_FILE( stream ) );
stream->descriptor.pointer = NULL;
stream->size = 0;
stream->base = 0;
}
ft_close_stream( FT_Stream stream )
{
// fclose( STREAM_FILE( stream ) );
Close( STREAM_FILE( stream ) ); // TetiSoft
stream->descriptor.pointer = NULL;
stream->size = 0;
stream->base = 0;
}
ft_amiga_stream_close( FT_Stream stream )
{
struct SysFile* sysfile;
sysfile = STREAM_FILE( stream );
Close ( sysfile->file );
FreeMem ( sysfile, sizeof ( struct SysFile ));
stream->descriptor.pointer = NULL;
stream->size = 0;
stream->base = 0;
}
ft_FSp_stream_io( FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
FT_FILE* file;
file = STREAM_FILE( stream );
ft_fseek( file, offset, SEEK_SET );
return (unsigned long)ft_fread( buffer, 1, count, file );
}
ft_io_stream( FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
// FILE* file;
BPTR file; // TetiSoft
file = STREAM_FILE( stream );
// fseek( file, offset, SEEK_SET );
Seek( file, offset, OFFSET_BEGINNING ); // TetiSoft
// return (unsigned long)fread( buffer, 1, count, file );
return (unsigned long)FRead( file, buffer, 1, count);
}
ft_ansi_stream_io( FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
FT_FILE* file;
if ( !count && offset > stream->size )
return 1;
file = STREAM_FILE( stream );
if ( stream->pos != offset )
ft_fseek( file, (long)offset, SEEK_SET );
return (unsigned long)ft_fread( buffer, 1, count, file );
}
FT_Error FX_Flush_Stream( FT_Face face ) {
DosSetFilePtr( STREAM_FILE( face->stream ),
0, FILE_CURRENT, &(face->stream->pos));
face->stream->close( face->stream );
return FT_Err_Ok;
}
ft_amiga_stream_io( FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
struct SysFile* sysfile;
unsigned long read_bytes;
if ( count != 0 )
{
sysfile = STREAM_FILE( stream );
/* handle the seek */
if ( (offset < sysfile->iobuf_start) || (offset + count > sysfile->iobuf_end) )
{
/* requested offset implies we need a buffer refill */
if ( !sysfile->iobuf_end || offset != sysfile->iobuf_end )
{
/* a physical seek is necessary */
Seek( sysfile->file, offset, OFFSET_BEGINNING );
}
sysfile->iobuf_start = offset;
sysfile->iobuf_end = 0; /* trigger a buffer refill */
}
/* handle the read */
if ( offset + count <= sysfile->iobuf_end )
{
/* we have buffer and requested bytes are all inside our buffer */
CopyMem( &sysfile->iobuf[offset - sysfile->iobuf_start], buffer, count );
read_bytes = count;
}
else
{
/* (re)fill buffer */
if ( count <= IOBUF_SIZE )
{
/* requested bytes is a subset of the buffer */
read_bytes = Read( sysfile->file, sysfile->iobuf, IOBUF_SIZE );
if ( read_bytes == -1UL )
{
/* error */
read_bytes = 0;
}
else
{
sysfile->iobuf_end = offset + read_bytes;
CopyMem( sysfile->iobuf, buffer, count );
if ( read_bytes > count )
{
read_bytes = count;
}
}
}
else
{
/* we actually need more than our buffer can hold, so we decide
** to do a single big read, and then copy the last IOBUF_SIZE
** bytes of that to our internal buffer for later use */
read_bytes = Read( sysfile->file, buffer, count );
if ( read_bytes == -1UL )
{
/* error */
read_bytes = 0;
}
else
{
ULONG bufsize;
bufsize = ( read_bytes > IOBUF_SIZE ) ? IOBUF_SIZE : read_bytes;
sysfile->iobuf_end = offset + read_bytes;
sysfile->iobuf_start = sysfile->iobuf_end - bufsize;
CopyMem( &buffer[read_bytes - bufsize] , sysfile->iobuf, bufsize );
}
}
}
}
else
{
read_bytes = 0;
}
return read_bytes;
}
