From b3f58a62a115fe1f76a3f546a43b2b0514012c8e Mon Sep 17 00:00:00 2001
From: handa <handa>
Date: Thu, 2 Oct 2003 22:58:02 +0000
Subject: [PATCH] *** empty log message ***

---
 README            |    3 +++
 example/otfview.c |   31 +++++++++++++++++++++++--------
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/README b/README
index 3c23e48..1871f04 100644
--- a/README
+++ b/README
@@ -17,6 +17,9 @@ The library "libotf" provides the following facilites.
 The combination of libotf and the FreeType library (Ver.2) realizes
 CTL (complex text layout) by OpenType fonts.
 
+It seems that the probject Free Type Layout provides the similar (or
+better) facility as this library, but currently they have not yet
+released their library.  So, we have developped this library.
 
 (2) Installation
 
diff --git a/example/otfview.c b/example/otfview.c
index ab35173..d1bfcd5 100644
--- a/example/otfview.c
+++ b/example/otfview.c
@@ -245,10 +245,14 @@ RenderProc (Widget w, XtPointer client_data, XtPointer call_data)
   else if (glyph_rec.n_glyphs < 64)
     {
       int index = glyph_index + (int) client_data;
-      if (charmap_index >= 0)
-	index = FT_Get_Char_Index (face, (FT_ULong) index);
-      glyph_rec.glyphs[glyph_rec.n_glyphs++] = index;
-      update_render_area ();
+
+      if (bitmap[index].pixmap)
+	{
+	  if (charmap_index >= 0)
+	    index = FT_Get_Char_Index (face, (FT_ULong) index);
+	  glyph_rec.glyphs[glyph_rec.n_glyphs++] = index;
+	  update_render_area ();
+	}
     }
 }
 
@@ -423,6 +427,7 @@ main (int argc, char **argv)
   int err;
   int i;
   int pixel_size = DEFAULT_PIXEL_SIZE;
+  int display_width;
 
   {
     char *str = getenv ("PIXEL_SIZE");
@@ -438,6 +443,8 @@ main (int argc, char **argv)
   shell = XtOpenApplication (&context, "OTFView", NULL, 0, &argc, argv, NULL,
 			     shellWidgetClass, NULL, 0);
   display = XtDisplay (shell);
+  display_width = DisplayWidth (display,
+				XScreenNumberOfScreen (XtScreen (shell)));
 
   if (argc != 2)
     FATAL_ERROR ("%s\n", "Usage: otfview [ X-OPTION ... ]  OTF-FILE");
@@ -464,7 +471,7 @@ main (int argc, char **argv)
   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_Char_Size: error");
+    FATAL_ERROR ("%s\n", "FT_Set_Pixel_Sizes: error");
 
   {
     char title[256];
@@ -476,14 +483,24 @@ main (int argc, char **argv)
     XtSetValues (shell, arg, 1);
   }
 
-
   glyph_width = ((face->bbox.xMax - face->bbox.xMin)
 		 * pixel_size / face->units_per_EM);
+  if (glyph_width * 16 > display_width * 0.8)
+    {
+      pixel_size = (pixel_size * display_width * 0.8 / 16 / glyph_width);
+      FT_Set_Pixel_Sizes (face, 0, pixel_size);
+      glyph_width = ((face->bbox.xMax - face->bbox.xMin)
+		     * pixel_size / face->units_per_EM);
+    }
   glyph_height = ((face->bbox.yMax - face->bbox.yMin)
 		  *  pixel_size / face->units_per_EM);
+
   glyph_x = - (face->bbox.xMin * pixel_size / face->units_per_EM);
   glyph_y = face->bbox.yMax * pixel_size / face->units_per_EM;
 
+  render_width = (glyph_width + 1) * 15 + 1;
+  render_height = glyph_height + 2;
+
   charmap_rec[0].platform_id = -1;
   charmap_rec[0].encoding_id = -1;
   strcpy (charmap_rec[0].name, "no charmap");
@@ -503,8 +520,6 @@ main (int argc, char **argv)
 	strcat (charmap_rec[i + 1].name, " (apple-roman)");
     }
 
-  render_width = (glyph_width + 1) * 15 + 1;
-  render_height = glyph_height + 2;
   raw_pixmap = XCreatePixmap (display, DefaultRootWindow (display),
 			      render_width, render_height, 1);
   seq_pixmap = XCreatePixmap (display, DefaultRootWindow (display),
-- 
1.7.10.4