diff options
Diffstat (limited to 'src/base/ftdebug.c')
| -rw-r--r-- | src/base/ftdebug.c | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/src/base/ftdebug.c b/src/base/ftdebug.c index 62cf680b0..b554c6a43 100644 --- a/src/base/ftdebug.c +++ b/src/base/ftdebug.c @@ -45,6 +45,28 @@ #include <freetype/internal/ftdebug.h> +#ifdef FT_LOGGING + + /************************************************************************** + * + * Variables used to control logging. + * + * 1. `ft_default_trace_level` stores the value of trace levels, which are + * provided to FreeType using the `FT2_DEBUG` environment variable. + * + * 2. `ft_fileptr` stores the `FILE*` handle. + * + * Use `static` to avoid 'unused variable' warnings. + * + */ + static const char* ft_default_trace_level = NULL; + static FILE* ft_fileptr = NULL; + + dlg_handler ft_default_log_handler = NULL; + +#endif /* FT_LOGGING*/ + + #ifdef FT_DEBUG_LEVEL_ERROR /* documentation is in ftdebug.h */ @@ -106,7 +128,6 @@ #endif /* FT_DEBUG_LEVEL_ERROR */ - #ifdef FT_DEBUG_LEVEL_TRACE /* array of trace levels, initialized to 0; */ @@ -315,4 +336,59 @@ #endif /* !FT_DEBUG_LEVEL_TRACE */ +#ifdef FT_LOGGING + + /************************************************************************** + * + * Initialize and de-initialize 'dlg' library. + * + */ + + FT_BASE_DEF( void ) + ft_logging_init( void ) + { + ft_default_log_handler = ft_log_handler; + ft_default_trace_level = ft_getenv( "FT2_DEBUG" ); + + if ( ft_getenv( "FT_LOGGING_FILE" ) ) + ft_fileptr = ft_fopen( ft_getenv( "FT_LOGGING_FILE" ), "w" ); + else + ft_fileptr = stderr; + + ft_debug_init(); + + /* Set the default output handler for 'dlg'. */ + dlg_set_handler( ft_default_log_handler, NULL ); + } + + + FT_BASE_DEF( void ) + ft_logging_deinit( void ) + { + ft_fclose( ft_fileptr ); + } + + + /************************************************************************* + * + * An output log handler for FreeType. + * + */ + FT_BASE_DEF( void ) + ft_log_handler( const struct dlg_origin* origin, + const char* string, + void* data ) + { + const char* features = "%c"; + + FT_UNUSED( data ); + + + dlg_generic_outputf_stream( ft_fileptr, features, origin, string, + dlg_default_output_styles, true ); + } + +#endif /* FT_LOGGING */ + + /* END */ |