From 952ad7a7df2c4342238c813d2d6c8b1724c5b487 Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Tue, 18 Jul 2006 02:32:57 +0000
Subject: [PATCH] (bitmap): Array increated to cover full Unicode.
 (fontindex): New variable. (update_glyph_area): Adjusted
 for the change of `bitmap'. (GlyphProc): Likewise. (help):
 New function. (main): Accept a new 2nd arg INDEX.

---
 example/otfview.c |   72 ++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 46 insertions(+), 26 deletions(-)

diff --git a/example/otfview.c b/example/otfview.c
index c528737..1dcc1df 100644
--- a/example/otfview.c
+++ b/example/otfview.c
@@ -126,7 +126,7 @@ typedef struct {
   int advance;
 } BitmapRec;
 
-BitmapRec bitmap[0x10000];
+BitmapRec bitmap[0x110000];
 
 int render_width, render_height;
 Pixmap raw_pixmap, seq_pixmap, gsub_pixmap, gpos_pixmap;
@@ -156,6 +156,7 @@ struct {
 
 OTF *otf;
 char *filename;
+int fontindex;
 
 void
 create_pixmap (int index)
@@ -233,7 +234,10 @@ update_glyph_area ()
       XtSetValues (index_label[i], arg, 2);
     }
 
-  sprintf (buf, " %04X-%04X ", glyph_index, glyph_index + 0x7F);
+  if (glyph_index < 0x10000)
+    sprintf (buf, "  %04X-%04X  ", glyph_index, glyph_index + 0x7F);
+  else
+    sprintf (buf, "%06X-%06X", glyph_index, glyph_index + 0x7F);
   XtSetArg (arg[0], XtNlabel, buf);
   XtSetValues (range, arg, 1);
 }
@@ -639,15 +643,15 @@ GlyphProc (Widget w, XtPointer client_data, XtPointer call_data)
   if ((int) client_data == -3 && glyph_index > 0)
     glyph_index = 0;
   else if ((int) client_data == -2 && glyph_index > 0)
-    glyph_index = (glyph_index - 1) & 0xF000;
+    glyph_index = (glyph_index - 1) & 0x1FF000;
   else if ((int) client_data == -1 && glyph_index > 0)
     glyph_index -= 0x80;
-  else if ((int) client_data == 1 && glyph_index < 0xFF80)
+  else if ((int) client_data == 1 && glyph_index < 0x10FF80)
     glyph_index += 0x80;
-  else if ((int) client_data == 2 && glyph_index < 0xF000)
-    glyph_index = (glyph_index + 0x1000) & 0xF000;
-  else if ((int) client_data == 3 && glyph_index < 0xF000)
-    glyph_index = 0xFF80;
+  else if ((int) client_data == 2 && glyph_index < 0x10F000)
+    glyph_index = (glyph_index + 0x1000) & 0x1FF000;
+  else if ((int) client_data == 3 && glyph_index < 0x10F000)
+    glyph_index = 0x10FF80;
   if (glyph_index != old_glyph_index)
     update_glyph_area ();
 }
@@ -1339,6 +1343,19 @@ x_error_handler (Display *display, XErrorEvent *error)
   return 0;
 }
 
+void
+help (char **argv, int err)
+{
+  FILE *fp = err ? stderr : stdout;
+
+  fprintf (fp, "Usage: %s [ X-OPTION ... ]  OTF-FILE [INDEX]\n",
+	   basename (argv[0]));
+  fprintf (fp, "  Environment variable PIXEL_SIZE specifies the pixel size.\n");
+  fprintf (fp, "  The default pixel size is %d, but is reduced\n",
+	   DEFAULT_PIXEL_SIZE);
+  fprintf (fp, "  if your screen is not that wide.\n");
+  exit (err);
+}
 
 int
 main (int argc, char **argv)
@@ -1381,21 +1398,34 @@ main (int argc, char **argv)
   if (! font)
     font = XLoadQueryFont (display, "fixed");
 
-  if (argc != 2 || !strcmp (argv[1], "-h") || !strcmp (argv[1], "--help"))
+  if (argc < 2)
+    help (argv, 1);
+  if (!strcmp (argv[1], "-h") || !strcmp (argv[1], "--help"))
+    help (argv, 0);
+  filename = argv[1];
+  if (argc > 2)
     {
-      fprintf (stderr, "Usage: %s [ X-OPTION ... ]  OTF-FILE\n",
-	       basename (argv[0]));
-      fprintf (stderr,
-	       "  Pixel size is decided by the environment variable PIXEL_SIZE ((default %d).\n", DEFAULT_PIXEL_SIZE);
-      exit (argc != 2);
+      fontindex = atoi (argv[2]);
+      if (fontindex < 0)
+	FATAL_ERROR ("Invalid font index: %d\n", fontindex);
     }
-  filename = argv[1];
+
+  if ((err = FT_Init_FreeType (&library)))
+    FATAL_ERROR ("%s\n", "FT_Init_FreeType: error");
+  err = FT_New_Face (library, filename, fontindex, &face);
+  if (err == FT_Err_Unknown_File_Format)
+    FATAL_ERROR ("%s\n", "FT_New_Face: unknown file format");
+  else if (err)
+    FATAL_ERROR ("%s\n", "FT_New_Face: unknown error (invalid face index?)");
+  if ((err = FT_Set_Pixel_Sizes (face, 0, pixel_size)))
+    FATAL_ERROR ("%s\n", "FT_Set_Pixel_Sizes: error");
+
   if (strstr (filename, ".ttf")
       || strstr (filename, ".TTF")
       || strstr (filename, ".otf")
       || strstr (filename, ".OTF"))
     {
-      otf = OTF_open (filename);
+      otf = OTF_open_ft_face (face);
       if (! otf
 	  || OTF_get_table (otf, "head") < 0
 	  || OTF_get_table (otf, "cmap") < 0
@@ -1404,16 +1434,6 @@ main (int argc, char **argv)
 	otf = NULL;
     }
 
-  if ((err = FT_Init_FreeType (&library)))
-    FATAL_ERROR ("%s\n", "FT_Init_FreeType: error");
-  err = FT_New_Face (library, filename, 0, &face);
-  if (err == FT_Err_Unknown_File_Format)
-    FATAL_ERROR ("%s\n", "FT_New_Face: unknown file format");
-  else if (err)
-    FATAL_ERROR ("%s\n", "FT_New_Face: unknown error");
-  if ((err = FT_Set_Pixel_Sizes (face, 0, pixel_size)))
-    FATAL_ERROR ("%s\n", "FT_Set_Pixel_Sizes: error");
-
   {
     char title[256];
     Arg arg[1];
-- 
1.7.10.4