FreeType-2.1.10 API Reference
GZIP Streams
Synopsis
#FT_Stream_OpenGzipFT_Stream_OpenGzip This section contains the declaration of Gzip-specific functions.
FT_Stream_OpenGzip 
  FT_EXPORT( 
ft2-basic_types.html#FT_ErrorFT_Error  )
  
FT_Stream_OpenGzip( ft2-system_interface.html#FT_StreamFT_Stream   stream,
                      
ft2-system_interface.html#FT_StreamFT_Stream   source );
Open a new stream to parse gzip-compressed font files. This is mainly used to support the compressed *.pcf.gz fonts that come with XFree86.
input stream The target embedding stream.
source The source stream.
return FreeType error code. 0 means success.
note The source stream must be opened before calling this function.
Calling the internal function FT_Stream_Close on the new stream will not call FT_Stream_Close on the source stream. None of the stream objects will be released to the heap.
The stream implementation is very basic and resets the decompression process each time seeking backwards is needed within the stream.
In certain builds of the library, gzip compression recognition is automatically handled when calling ft2-base_interface.html#FT_New_FaceFT_New_Face  or ft2-base_interface.html#FT_Open_FaceFT_Open_Face . This means that if no font driver is capable of handling the raw compressed file, the library will try to open a gzipped stream from it and re-open the face with it.
This function may return "FT_Err_Unimplemented" if your build of FreeType was not compiled with zlib support.
