| /***************************************************************************/ |
| /* */ |
| /* ftdebug.h */ |
| /* */ |
| /* Debugging and logging component (specification). */ |
| /* */ |
| /* Copyright 1996-2001 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 <ft2build.h> |
| #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, |
| |
| /* PostScript hinting module `pshinter' */ |
| trace_pshrec, |
| trace_pshalgo1, |
| trace_pshalgo2, |
| |
| /* 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_TEST(level) ( ft_trace_levels[FT_COMPONENT] >= level ) |
| |
| #define FT_TRACE( level, varformat ) \ |
| do \ |
| { \ |
| if ( FT_TRACE_TEST(level) ) \ |
| FT_Message varformat; \ |
| } while ( 0 ) |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <Function> */ |
| /* FT_SetTraceLevel */ |
| /* */ |
| /* <Description> */ |
| /* Sets the trace level for debugging. */ |
| /* */ |
| /* <Input> */ |
| /* 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_TEST(level) 0 |
| |
| #define FT_TRACE( level, varformat ) do ; while ( 0 ) /* nothing */ |
| |
| |
| #else /* release mode */ |
| |
| |
| #define FT_Assert( condition ) do ; while ( 0 ) /* nothing */ |
| |
| #define FT_TRACE_TEST(level) 0 |
| #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 */ |
