--- /dev/null
+/***************************************************************************/
+/* */
+/* 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,
+
+ /* 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 )
+
+
+ /*************************************************************************/
+ /* */
+ /* <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( 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 */
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