--- /dev/null
+/***************************************************************************/
+/* */
+/* ftdebug.h */
+/* */
+/* Debugging and logging component (specification). */
+/* */
+/* Copyright 1996-2001, 2002 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. */
+/* */
+/* */
+/* IMPORTANT: A description of FreeType's debugging support can be */
+/* found in "docs/DEBUG.TXT". Read it if you need to use or */
+/* understand this code. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __FTDEBUG_H__
+#define __FTDEBUG_H__
+
+
+#include <ft2build.h>
+#include FT_CONFIG_CONFIG_H
+
+
+FT_BEGIN_HEADER
+
+
+ /* force the definition of FT_DEBUG_LEVEL_ERROR if FT_DEBUG_LEVEL_TRACE */
+ /* is already defined; this simplifies the following #ifdefs */
+ /* */
+#ifdef FT_DEBUG_LEVEL_TRACE
+#undef FT_DEBUG_LEVEL_ERROR
+#define FT_DEBUG_LEVEL_ERROR
+#endif
+
+
+ /*************************************************************************/
+ /* */
+ /* Define the trace enums as well as the trace levels array when they */
+ /* are needed. */
+ /* */
+ /*************************************************************************/
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+#define FT_TRACE_DEF( x ) trace_ ## x ,
+
+ /* defining the enumeration */
+ typedef enum
+ {
+#include FT_INTERNAL_TRACE_H
+ trace_count
+
+ } FT_Trace;
+
+
+ /* defining the array of trace levels, provided by `src/base/ftdebug.c' */
+ extern int ft_trace_levels[trace_count];
+
+#undef FT_TRACE_DEF
+
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+
+ /*************************************************************************/
+ /* */
+ /* Define the FT_TRACE macro */
+ /* */
+ /* IMPORTANT! */
+ /* */
+ /* Each component must define the macro FT_COMPONENT to a valid FT_Trace */
+ /* value before using any TRACE macro. */
+ /* */
+ /*************************************************************************/
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+#define FT_TRACE( level, varformat ) \
+ do \
+ { \
+ if ( ft_trace_levels[FT_COMPONENT] >= level ) \
+ FT_Message varformat; \
+ } while ( 0 )
+
+#else /* !FT_DEBUG_LEVEL_TRACE */
+
+#define FT_TRACE( level, varformat ) do ; while ( 0 ) /* nothing */
+
+#endif /* !FT_DEBUG_LEVEL_TRACE */
+
+
+ /*************************************************************************/
+ /* */
+ /* 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 )
+
+
+ /*************************************************************************/
+ /* */
+ /* Define the FT_ERROR macro */
+ /* */
+ /*************************************************************************/
+
+#ifdef FT_DEBUG_LEVEL_ERROR
+
+#define FT_ERROR( varformat ) FT_Message varformat
+
+#else /* !FT_DEBUG_LEVEL_ERROR */
+
+#define FT_ERROR( varformat ) do ; while ( 0 ) /* nothing */
+
+#endif /* !FT_DEBUG_LEVEL_ERROR */
+
+
+ /*************************************************************************/
+ /* */
+ /* Define the FT_ASSERT macro */
+ /* */
+ /*************************************************************************/
+
+#ifdef FT_DEBUG_LEVEL_ERROR
+
+#define FT_ASSERT( condition ) \
+ do \
+ { \
+ if ( !( condition ) ) \
+ FT_Panic( "assertion failed on line %d of file %s\n", \
+ __LINE__, __FILE__ ); \
+ } while ( 0 )
+
+#else /* !FT_DEBUG_LEVEL_ERROR */
+
+#define FT_ASSERT( condition ) do ; while ( 0 )
+
+#endif /* !FT_DEBUG_LEVEL_ERROR */
+
+
+ /*************************************************************************/
+ /* */
+ /* Define 'FT_Message' and 'FT_Panic' when needed */
+ /* */
+ /*************************************************************************/
+
+#ifdef FT_DEBUG_LEVEL_ERROR
+
+#include "stdio.h" /* for vprintf() */
+
+ /* print a message */
+ FT_EXPORT( void )
+ FT_Message( const char* fmt, ... );
+
+ /* print a message and exit */
+ FT_EXPORT( void )
+ FT_Panic( const char* fmt, ... );
+
+#endif /* FT_DEBUG_LEVEL_ERROR */
+
+
+ FT_BASE( void )
+ ft_debug_init( void );
+
+
+#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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