/***************************************************************************/ /* */ /* ftdebug.h */ /* */ /* Debugging and logging component (specification). */ /* */ /* Copyright 1996-2000 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #ifndef __FTDEBUG_H__ #define __FTDEBUG_H__ #include #include FT_CONFIG_CONFIG_H FT_BEGIN_HEADER #ifdef FT_DEBUG_LEVEL_TRACE /* note that not all levels are used currently */ typedef enum FT_Trace_ { /* the first level must always be `trace_any' */ trace_any = 0, /* base components */ trace_aaraster, /* anti-aliasing raster (ftgrays.c) */ trace_calc, /* calculations (ftcalc.c) */ trace_extend, /* extension manager (ftextend.c) */ trace_glyph, /* glyph manager (ftglyph.c) */ trace_io, /* i/o monitoring (ftsystem.c) */ trace_init, /* initialization (ftinit.c) */ trace_list, /* list manager (ftlist.c) */ trace_memory, /* memory manager (ftobjs.c) */ trace_mm, /* MM interface (ftmm.c) */ trace_objs, /* base objects (ftobjs.c) */ trace_outline, /* outline management (ftoutln.c) */ trace_raster, /* rasterizer (ftraster.c) */ trace_stream, /* stream manager (ftstream.c) */ /* Cache sub-system */ trace_cache, /* SFNT driver components */ trace_sfobjs, /* SFNT object handler (sfobjs.c) */ trace_ttcmap, /* charmap handler (ttcmap.c) */ trace_ttload, /* basic TrueType tables (ttload.c) */ trace_ttpost, /* PS table processing (ttpost.c) */ trace_ttsbit, /* TrueType sbit handling (ttsbit.c) */ /* TrueType driver components */ trace_ttdriver, /* TT font driver (ttdriver.c) */ trace_ttgload, /* TT glyph loader (ttgload.c) */ trace_ttinterp, /* bytecode interpreter (ttinterp.c) */ trace_ttobjs, /* TT objects manager (ttobjs.c) */ trace_ttpload, /* TT data/program loader (ttpload.c) */ /* Type 1 driver components */ trace_t1driver, trace_t1gload, trace_t1hint, trace_t1load, trace_t1objs, trace_t1parse, /* PostScript helper module `psaux' */ trace_t1decode, trace_psobjs, /* Type 2 driver components */ trace_cffdriver, trace_cffgload, trace_cffload, trace_cffobjs, trace_cffparse, /* CID driver components */ trace_cidafm, trace_ciddriver, trace_cidgload, trace_cidload, trace_cidobjs, trace_cidparse, /* Windows fonts component */ trace_winfnt, /* PCF fonts component */ trace_pcfdriver, trace_pcfread, /* the last level must always be `trace_max' */ trace_max } FT_Trace; /* declared in ftdebug.c */ extern char ft_trace_levels[trace_max]; /*************************************************************************/ /* */ /* IMPORTANT! */ /* */ /* Each component must define the macro FT_COMPONENT to a valid FT_Trace */ /* value before using any TRACE macro. */ /* */ /*************************************************************************/ #define FT_TRACE( level, varformat ) \ do \ { \ if ( ft_trace_levels[FT_COMPONENT] >= level ) \ FT_Message varformat; \ } while ( 0 ) /*************************************************************************/ /* */ /* */ /* FT_SetTraceLevel */ /* */ /* */ /* Sets the trace level for debugging. */ /* */ /* */ /* component :: The component which should be traced. See above for */ /* a complete list. If set to `trace_any', all */ /* components will be traced. */ /* */ /* level :: The tracing level. */ /* */ FT_EXPORT( void ) FT_SetTraceLevel( FT_Trace component, char level ); #elif defined( FT_DEBUG_LEVEL_ERROR ) #define FT_TRACE( level, varformat ) do ; while ( 0 ) /* nothing */ #else /* release mode */ #define FT_Assert( condition ) do ; while ( 0 ) /* nothing */ #define FT_TRACE( level, varformat ) do ; while ( 0 ) /* nothing */ #define FT_ERROR( varformat ) do ; while ( 0 ) /* nothing */ #endif /* FT_DEBUG_LEVEL_TRACE, FT_DEBUG_LEVEL_ERROR */ /*************************************************************************/ /* */ /* Define macros and functions that are common to the debug and trace */ /* modes. */ /* */ /* You need vprintf() to be able to compile ftdebug.c. */ /* */ /*************************************************************************/ #if defined( FT_DEBUG_LEVEL_TRACE ) || defined( FT_DEBUG_LEVEL_ERROR ) #include "stdio.h" /* for vprintf() */ #define FT_Assert( condition ) \ do \ { \ if ( !( condition ) ) \ FT_Panic( "assertion failed on line %d of file %s\n", \ __LINE__, __FILE__ ); \ } while ( 0 ) /* print a message */ FT_EXPORT( void ) FT_Message( const char* fmt, ... ); /* print a message and exit */ FT_EXPORT( void ) FT_Panic( const char* fmt, ... ); #define FT_ERROR( varformat ) FT_Message varformat #endif /* FT_DEBUG_LEVEL_TRACE || FT_DEBUG_LEVEL_ERROR */ /*************************************************************************/ /* */ /* You need two opening resp. closing parentheses! */ /* */ /* Example: FT_TRACE0(( "Value is %i", foo )) */ /* */ /*************************************************************************/ #define FT_TRACE0( varformat ) FT_TRACE( 0, varformat ) #define FT_TRACE1( varformat ) FT_TRACE( 1, varformat ) #define FT_TRACE2( varformat ) FT_TRACE( 2, varformat ) #define FT_TRACE3( varformat ) FT_TRACE( 3, varformat ) #define FT_TRACE4( varformat ) FT_TRACE( 4, varformat ) #define FT_TRACE5( varformat ) FT_TRACE( 5, varformat ) #define FT_TRACE6( varformat ) FT_TRACE( 6, varformat ) #define FT_TRACE7( varformat ) FT_TRACE( 7, varformat ) #if defined( _MSC_VER ) /* Visual C++ (and Intel C++) */ /* we disable the warning `conditional expression is constant' here */ /* in order to compile cleanly with the maximum level of warnings */ #pragma warning( disable : 4127 ) #endif /* _MSC_VER */ FT_END_HEADER #endif /* __FTDEBUG_H__ */ /* END */