Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/tools/test_afm.c

Index: third_party/freetype2/src/src/tools/test_afm.c
diff --git a/third_party/freetype2/src/src/tools/test_afm.c b/third_party/freetype2/src/src/tools/test_afm.c
new file mode 100644
index 0000000000000000000000000000000000000000..8de619bb035cb45844b9fbaf39b0b7288707eca5
--- /dev/null
+++ b/third_party/freetype2/src/src/tools/test_afm.c
@@ -0,0 +1,157 @@
+/*
+ * gcc -DFT2_BUILD_LIBRARY -I../../include -o test_afm test_afm.c \
+ *     -L../../objs/.libs -lfreetype -lz -static
+ */
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_INTERNAL_STREAM_H
+#include FT_INTERNAL_POSTSCRIPT_AUX_H
+
+  void dump_fontinfo( AFM_FontInfo  fi )
+  {
+    FT_UInt  i;
+
+
+    printf( "This AFM is for %sCID font.\n\n",
+            ( fi->IsCIDFont ) ? "" : "non-" );
+
+    printf( "FontBBox: %.2f %.2f %.2f %.2f\n", fi->FontBBox.xMin / 65536.,
+                                               fi->FontBBox.yMin / 65536.,
+                                               fi->FontBBox.xMax / 65536.,
+                                               fi->FontBBox.yMax / 65536. );
+    printf( "Ascender: %.2f\n", fi->Ascender / 65536. );
+    printf( "Descender: %.2f\n\n", fi->Descender / 65536. );
+
+    if ( fi->NumTrackKern )
+      printf( "There are %d sets of track kernings:\n",
+              fi->NumTrackKern );
+    else
+      printf( "There is no track kerning.\n" );
+
+    for ( i = 0; i < fi->NumTrackKern; i++ )
+    {
+      AFM_TrackKern  tk = fi->TrackKerns + i;
+
+
+      printf( "\t%2d: %5.2f %5.2f %5.2f %5.2f\n", tk->degree,
+                                                  tk->min_ptsize / 65536.,
+                                                  tk->min_kern / 65536.,
+                                                  tk->max_ptsize / 65536.,
+                                                  tk->max_kern / 65536. );
+    }
+
+    printf( "\n" );
+
+    if ( fi->NumKernPair )
+      printf( "There are %d kerning pairs:\n",
+              fi->NumKernPair );
+    else
+      printf( "There is no kerning pair.\n" );
+
+    for ( i = 0; i < fi->NumKernPair; i++ )
+    {
+      AFM_KernPair  kp = fi->KernPairs + i;
+
+
+      printf( "\t%3d + %3d => (%4d, %4d)\n", kp->index1,
+                                             kp->index2,
+                                             kp->x,
+                                             kp->y );
+    }
+
+  }
+
+  int
+  dummy_get_index( const char*  name,
+                   FT_Offset    len,
+                   void*        user_data )
+  {
+    if ( len )
+      return name[0];
+    else
+      return 0;
+  }
+
+  FT_Error
+  parse_afm( FT_Library    library,
+             FT_Stream     stream,
+             AFM_FontInfo  fi )
+  {
+    PSAux_Service  psaux;
+    AFM_ParserRec  parser;
+    FT_Error       error = FT_Err_Ok;
+
+
+    psaux = (PSAux_Service)FT_Get_Module_Interface( library, "psaux" );
+    if ( !psaux || !psaux->afm_parser_funcs )
+      return -1;
+
+    error = FT_Stream_EnterFrame( stream, stream->size );
+    if ( error )
+      return error;
+
+    error = psaux->afm_parser_funcs->init( &parser,
+                                           library->memory,
+                                           stream->cursor,
+                                           stream->limit );
+    if ( error )
+      return error;
+
+    parser.FontInfo = fi;
+    parser.get_index = dummy_get_index;
+
+    error = psaux->afm_parser_funcs->parse( &parser );
+
+    psaux->afm_parser_funcs->done( &parser );
+
+    return error;
+  }
+
+
+  int main( int    argc,
+            char** argv )
+  {
+    FT_Library       library;
+    FT_StreamRec     stream;
+    FT_Error         error = FT_Err_Ok;
+    AFM_FontInfoRec  fi;
+
+
+    if ( argc < 2 )
+      return FT_ERR( Invalid_Argument );
+
+    error = FT_Init_FreeType( &library );
+    if ( error )
+      return error;
+
+    FT_ZERO( &stream );
+    error = FT_Stream_Open( &stream, argv[1] );
+    if ( error )
+      goto Exit;
+    stream.memory = library->memory;
+
+    FT_ZERO( &fi );
+    error = parse_afm( library, &stream, &fi );
+
+    if ( !error )
+    {
+      FT_Memory  memory = library->memory;
+
+
+      dump_fontinfo( &fi );
+
+      if ( fi.KernPairs )
+        FT_FREE( fi.KernPairs );
+      if ( fi.TrackKerns )
+        FT_FREE( fi.TrackKerns );
+    }
+    else
+      printf( "parse error\n" );
+
+    FT_Stream_Close( &stream );
+
+  Exit:
+    FT_Done_FreeType( library );
+
+    return error;
+  }