Adding upstream version 2.06.upstream/2.06upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 153 insertions, 0 deletions

diff --git a/util/grub-gen-widthspec.c b/util/grub-gen-widthspec.c
new file mode 100644
index 0000000..33bc8cb
--- /dev/null
+++ b/util/grub-gen-widthspec.c
@@ -0,0 +1,153 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009,2010 Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <errno.h>
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_TRUETYPE_TAGS_H
+#include FT_TRUETYPE_TABLES_H
+#include FT_SYNTHESIS_H
+
+#undef __FTERRORS_H__
+#define FT_ERROR_START_LIST   const char *ft_errmsgs[] = { 
+#define FT_ERRORDEF(e, v, s)  [e] = s,
+#define FT_ERROR_END_LIST     };
+#include FT_ERRORS_H   
+
+#define GRUB_FONT_DEFAULT_SIZE		16
+
+#define ARRAY_SIZE(array) (sizeof (array) / sizeof (array[0]))
+
+#define MAX_CODE 65536
+static unsigned char result[MAX_CODE / 8];
+
+static void
+add_glyph (FT_Face face,
+	   unsigned int char_code)
+{
+  int flag = FT_LOAD_RENDER | FT_LOAD_MONOCHROME;
+  FT_Error err;
+  FT_UInt glyph_idx;
+
+  glyph_idx = FT_Get_Char_Index (face, char_code);
+  if (!glyph_idx)
+    return;
+
+  err = FT_Load_Glyph (face, glyph_idx, flag);
+  if (err)
+    {
+      printf ("Freetype Error %d loading glyph 0x%x for U+0x%x",
+	      err, glyph_idx, char_code);
+
+      if (err > 0 && err < (signed) ARRAY_SIZE (ft_errmsgs))
+	printf (": %s\n", ft_errmsgs[err]);
+      else
+	printf ("\n");
+      return;
+    }
+
+  if (face->glyph->bitmap.width > 12 && char_code < MAX_CODE)
+    result[char_code >> 3] |= (1 << (char_code & 7));
+}
+
+int
+main (int argc, char *argv[])
+{
+  FT_Library ft_lib;
+  FILE *file;
+  int i;
+
+  if (argc != 3)
+    {
+      fprintf (stderr, "grub-gen-widthspec: usage: INPUT OUTPUT");
+      return 1;
+    }
+
+  if (FT_Init_FreeType (&ft_lib))
+    {
+      fprintf (stderr, "grub-gen-widthspec: error: FT_Init_FreeType fails");
+      return 1;
+    }
+
+  {
+    FT_Face ft_face;
+    int size;
+    FT_Error err;
+    unsigned int char_code, glyph_index;
+
+    err = FT_New_Face (ft_lib, argv[1], 0, &ft_face);
+    if (err)
+      {
+	fprintf (stderr, "can't open file %s, index %d: error %d",
+		 argv[1], 0, err);
+	if (err > 0 && err < (signed) ARRAY_SIZE (ft_errmsgs))
+	  fprintf (stderr, ": %s\n", ft_errmsgs[err]);
+	else
+	  fprintf (stderr, "\n");
+
+	return 1;
+      }
+
+    if ((ft_face->face_flags & FT_FACE_FLAG_SCALABLE) ||
+	(! ft_face->num_fixed_sizes))
+      size = GRUB_FONT_DEFAULT_SIZE;
+    else
+      size = ft_face->available_sizes[0].height;
+
+    if (FT_Set_Pixel_Sizes (ft_face, size, size))
+      {
+	fprintf (stderr, "grub-gen-widthspec: error: can't set %dx%d font size", size, size);
+	return 1;
+      }
+  
+    for (char_code = FT_Get_First_Char (ft_face, &glyph_index);
+	 glyph_index;
+	 char_code = FT_Get_Next_Char (ft_face, char_code, &glyph_index))
+      add_glyph (ft_face, char_code);
+
+    FT_Done_Face (ft_face);
+  }
+
+  FT_Done_FreeType (ft_lib);
+
+  file = fopen (argv[2], "w");
+  if (! file)
+    {
+      fprintf (stderr, "grub-gen-asciih: error: cannot write to `%s': %s", argv[2],
+	       strerror (errno));
+      return 1;
+    }
+
+  fprintf (file, "/* THIS CHUNK OF BYTES IS AUTOMATICALLY GENERATED */\n");
+  fprintf (file, "unsigned char widthspec[] =\n");
+  fprintf (file, "{\n");
+
+  for (i = 0; i < MAX_CODE / 8; i++)
+    fprintf (file, "0x%02x,%c", result[i], ((i & 0xf) == 0xf) ? '\n' : ' ');
+
+  fprintf (file, "};\n");
+
+  fclose (file);
+
+  return 0;
+}