kc3-lang/freetype/include/internal/ftdebug.h
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Hash : fae38207
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Date : 2013-11-13T08:55:46
Simplify header file hierarchy. This large patch changes the header file directory layout from `include/freetype/...' to `include/...', effectively removing one level. Since the file `ft2build.h' is also located in `include' (and it stays there even after installation), all FreeType header files are now in a single directory. Applications that use (a) `freetype-config' or FreeType's `pkg-config' file to get the include directory for the compiler, and (b) the documented way for header inclusion like #include <ft2build.h> #include FT_FREETYPE_H ... don't need any change to the source code. * include/freetype/*: Move up to... * include/*: ... this directory. * builds/amiga/include/freetype/*: Move up to... * builds/amiga/include/*: ... this directory. */*: Essentially do `s@/freetype/@/@' where appropriate. * CMakeList.txt: Simplify. * builds/unix/freetype-config.in, builds/unix/freetype2.in: For `--cflags', return a single directory. * builds/unix/install.mk (install): No longer try to remove `cache' and `internal' subdirectories; instead, remove the `freetype' subdirectory.
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include/internal/ftdebug.h
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/***************************************************************************/ /* */ /* ftdebug.h */ /* */ /* Debugging and logging component (specification). */ /* */ /* Copyright 1996-2002, 2004, 2006-2009, 2013 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 #include FT_FREETYPE_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 FT_Trace_ { #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 */ /*************************************************************************/ /* */ /* <Function> */ /* FT_Trace_Get_Count */ /* */ /* <Description> */ /* Return the number of available trace components. */ /* */ /* <Return> */ /* The number of trace components. 0 if FreeType 2 is not built with */ /* FT_DEBUG_LEVEL_TRACE definition. */ /* */ /* <Note> */ /* This function may be useful if you want to access elements of */ /* the internal `ft_trace_levels' array by an index. */ /* */ FT_BASE( FT_Int ) FT_Trace_Get_Count( void ); /*************************************************************************/ /* */ /* <Function> */ /* FT_Trace_Get_Name */ /* */ /* <Description> */ /* Return the name of a trace component. */ /* */ /* <Input> */ /* The index of the trace component. */ /* */ /* <Return> */ /* The name of the trace component. This is a statically allocated */ /* C string, so do not free it after use. NULL if FreeType 2 is not */ /* built with FT_DEBUG_LEVEL_TRACE definition. */ /* */ /* <Note> */ /* Use @FT_Trace_Get_Count to get the number of available trace */ /* components. */ /* */ /* This function may be useful if you want to control FreeType 2's */ /* debug level in your application. */ /* */ FT_BASE( const char * ) FT_Trace_Get_Name( FT_Int idx ); /*************************************************************************/ /* */ /* You need two opening and closing parentheses! */ /* */ /* Example: FT_TRACE0(( "Value is %i", foo )) */ /* */ /* Output of the FT_TRACEX macros is sent to stderr. */ /* */ /*************************************************************************/ #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. */ /* */ /* Output of this macro is sent to stderr. */ /* */ /*************************************************************************/ #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 and FT_THROW macros. The call to `FT_Throw' */ /* makes it possible to easily set a breakpoint at this function. */ /* */ /*************************************************************************/ #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 ) #define FT_THROW( e ) \ ( FT_Throw( FT_ERR_CAT( FT_ERR_PREFIX, e ), \ __LINE__, \ __FILE__ ) | \ FT_ERR_CAT( FT_ERR_PREFIX, e ) ) #else /* !FT_DEBUG_LEVEL_ERROR */ #define FT_ASSERT( condition ) do { } while ( 0 ) #define FT_THROW( e ) FT_ERR_CAT( FT_ERR_PREFIX, e ) #endif /* !FT_DEBUG_LEVEL_ERROR */ /*************************************************************************/ /* */ /* Define `FT_Message' and `FT_Panic' when needed. */ /* */ /*************************************************************************/ #ifdef FT_DEBUG_LEVEL_ERROR #include "stdio.h" /* for vfprintf() */ /* print a message */ FT_BASE( void ) FT_Message( const char* fmt, ... ); /* print a message and exit */ FT_BASE( void ) FT_Panic( const char* fmt, ... ); /* report file name and line number of an error */ FT_BASE( int ) FT_Throw( FT_Error error, int line, const char* file ); #endif /* FT_DEBUG_LEVEL_ERROR */ FT_BASE( void ) ft_debug_init( void ); FT_END_HEADER #endif /* __FTDEBUG_H__ */ /* END */