summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/freetype/src/base/ftdebug.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/freetype/src/base/ftdebug.c')
-rw-r--r--src/3rdparty/freetype/src/base/ftdebug.c179
1 files changed, 116 insertions, 63 deletions
diff --git a/src/3rdparty/freetype/src/base/ftdebug.c b/src/3rdparty/freetype/src/base/ftdebug.c
index fe26309101..ec72337873 100644
--- a/src/3rdparty/freetype/src/base/ftdebug.c
+++ b/src/3rdparty/freetype/src/base/ftdebug.c
@@ -1,44 +1,44 @@
-/***************************************************************************/
-/* */
-/* ftdebug.c */
-/* */
-/* Debugging and logging component (body). */
-/* */
-/* Copyright 1996-2018 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. */
- /* */
- /*************************************************************************/
+/****************************************************************************
+ *
+ * ftdebug.c
+ *
+ * Debugging and logging component (body).
+ *
+ * Copyright (C) 1996-2019 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 <ft2build.h>
@@ -87,9 +87,19 @@
int line,
const char* file )
{
+#if 0
+ /* activating the code in this block makes FreeType very chatty */
+ fprintf( stderr,
+ "%s:%d: error 0x%02x: %s\n",
+ file,
+ line,
+ error,
+ FT_Error_String( error ) );
+#else
FT_UNUSED( error );
FT_UNUSED( line );
FT_UNUSED( file );
+#endif
return 0;
}
@@ -100,9 +110,16 @@
#ifdef FT_DEBUG_LEVEL_TRACE
- /* array of trace levels, initialized to 0 */
- int ft_trace_levels[trace_count];
+ /* array of trace levels, initialized to 0; */
+ /* this gets adjusted at run-time */
+ static int ft_trace_levels_enabled[trace_count];
+ /* array of trace levels, always initialized to 0 */
+ static int ft_trace_levels_disabled[trace_count];
+
+ /* a pointer to either `ft_trace_levels_enabled' */
+ /* or `ft_trace_levels_disabled' */
+ int* ft_trace_levels;
/* define array of trace toggle names */
#define FT_TRACE_DEF( x ) #x ,
@@ -140,24 +157,42 @@
}
- /*************************************************************************/
- /* */
- /* Initialize the tracing sub-system. This is done by retrieving the */
- /* value of the `FT2_DEBUG' environment variable. It must be a list of */
- /* toggles, separated by spaces, `;', or `,'. Example: */
- /* */
- /* export FT2_DEBUG="any:3 memory:7 stream:5" */
- /* */
- /* This requests that all levels be set to 3, except the trace level for */
- /* the memory and stream components which are set to 7 and 5, */
- /* respectively. */
- /* */
- /* See the file `include/freetype/internal/fttrace.h' for details of */
- /* the available toggle names. */
- /* */
- /* The level must be between 0 and 7; 0 means quiet (except for serious */
- /* runtime errors), and 7 means _very_ verbose. */
- /* */
+ /* documentation is in ftdebug.h */
+
+ FT_BASE_DEF( void )
+ FT_Trace_Disable( void )
+ {
+ ft_trace_levels = ft_trace_levels_disabled;
+ }
+
+
+ /* documentation is in ftdebug.h */
+
+ FT_BASE_DEF( void )
+ FT_Trace_Enable( void )
+ {
+ ft_trace_levels = ft_trace_levels_enabled;
+ }
+
+
+ /**************************************************************************
+ *
+ * Initialize the tracing sub-system. This is done by retrieving the
+ * value of the `FT2_DEBUG' environment variable. It must be a list of
+ * toggles, separated by spaces, `;', or `,'. Example:
+ *
+ * export FT2_DEBUG="any:3 memory:7 stream:5"
+ *
+ * This requests that all levels be set to 3, except the trace level for
+ * the memory and stream components which are set to 7 and 5,
+ * respectively.
+ *
+ * See the file `include/freetype/internal/fttrace.h' for details of
+ * the available toggle names.
+ *
+ * The level must be between 0 and 7; 0 means quiet (except for serious
+ * runtime errors), and 7 means _very_ verbose.
+ */
FT_BASE_DEF( void )
ft_debug_init( void )
{
@@ -223,14 +258,16 @@
{
/* special case for `any' */
for ( n = 0; n < trace_count; n++ )
- ft_trace_levels[n] = level;
+ ft_trace_levels_enabled[n] = level;
}
else
- ft_trace_levels[found] = level;
+ ft_trace_levels_enabled[found] = level;
}
}
}
}
+
+ ft_trace_levels = ft_trace_levels_enabled;
}
@@ -260,6 +297,22 @@
}
+ FT_BASE_DEF( void )
+ FT_Trace_Disable( void )
+ {
+ /* nothing */
+ }
+
+
+ /* documentation is in ftdebug.h */
+
+ FT_BASE_DEF( void )
+ FT_Trace_Enable( void )
+ {
+ /* nothing */
+ }
+
+
#endif /* !FT_DEBUG_LEVEL_TRACE */