Added FreeType II beta 8.

[wxWidgets.git] / src / freetype / base / ftdebug.c

diff --git a/src/freetype/base/ftdebug.c b/src/freetype/base/ftdebug.c
new file mode 100644 (file)
index 0000000..32da789
--- /dev/null
+++ b/src/freetype/base/ftdebug.c
@@ -0,0 +1,124 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftdebug.c                                                              */
+/*                                                                         */
+/*    Debugging and logging component (body).                              */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* This component contains various macros and functions used to ease the */
+  /* debugging of the FreeType engine.  Its main purpose is in assertion   */
+  /* checking, tracing, and error detection.                               */
+  /*                                                                       */
+  /* There are now three debugging modes:                                  */
+  /*                                                                       */
+  /* - trace mode                                                          */
+  /*                                                                       */
+  /*   Error and trace messages are sent to the log file (which can be the */
+  /*   standard error output).                                             */
+  /*                                                                       */
+  /* - error mode                                                          */
+  /*                                                                       */
+  /*   Only error messages are generated.                                  */
+  /*                                                                       */
+  /* - release mode:                                                       */
+  /*                                                                       */
+  /*   No error message is sent or generated.  The code is free from any   */
+  /*   debugging parts.                                                    */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+#include <freetype/internal/ftdebug.h>
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+  char  ft_trace_levels[trace_max];
+#endif
+
+
+#if defined( FT_DEBUG_LEVEL_ERROR ) || defined( FT_DEBUG_LEVEL_TRACE )
+
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+  FT_EXPORT_FUNC( void )  FT_Message( const char*  fmt, ... )
+  {
+    va_list  ap;
+
+
+    va_start( ap, fmt );
+    vprintf( fmt, ap );
+    va_end( ap );
+  }
+
+
+  FT_EXPORT_FUNC( void )  FT_Panic( const char*  fmt, ... )
+  {
+    va_list  ap;
+
+
+    va_start( ap, fmt );
+    vprintf( fmt, ap );
+    va_end( ap );
+
+    exit( EXIT_FAILURE );
+  }
+
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* <Function>                                                            */
+  /*    FT_SetTraceLevel                                                   */
+  /*                                                                       */
+  /* <Description>                                                         */
+  /*    Sets the trace level for debugging.                                */
+  /*                                                                       */
+  /* <Input>                                                               */
+  /*    component :: The component which should be traced.  See ftdebug.h  */
+  /*                 for a complete list.  If set to `trace_any', all      */
+  /*                 components will be traced.                            */
+  /*    level     :: The tracing level.                                    */
+  /*                                                                       */
+  FT_EXPORT_FUNC( void )  FT_SetTraceLevel( FT_Trace  component,
+                                            char      level )
+  {
+    if ( component >= trace_max )
+      return;
+
+    /* if component is `trace_any', change _all_ levels at once */
+    if ( component == trace_any )
+    {
+      int  n;
+
+
+      for ( n = trace_any; n < trace_max; n++ )
+        ft_trace_levels[n] = level;
+    }
+    else        /* otherwise, only change individual component */
+      ft_trace_levels[component] = level;
+  }
+
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+#endif /* FT_DEBUG_LEVEL_TRACE || FT_DEBUG_LEVEL_ERROR */
+
+
+/* END */