From: handa <handa>
Date: Tue, 2 Nov 2004 06:10:24 +0000 (+0000)
Subject: (read_cmap_table): Support Format 2 of cmap.
X-Git-Tag: REL-0-9-5~99
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ff1add018858921898729fe535bd4fe33a98ca9;p=m17n%2Flibotf.git

(read_cmap_table): Support Format 2 of cmap.
---

diff --git a/src/otfopen.c b/src/otfopen.c
index 60adefe..54091d0 100644
--- a/src/otfopen.c
+++ b/src/otfopen.c
@@ -518,7 +518,36 @@ read_cmap_table (OTF *otf, OTF_Stream *stream)
 	  break;
 
 	case 2:
-	  OTF_ERROR (OTF_ERROR_TABLE, " (not yet supported)");
+	  {
+	    OTF_EncodingSubtable2 *sub2;
+	    int j, max_key, remaining_bytes;
+
+	    OTF_MALLOC (sub2, 1, " (EncodingSubtable2)");
+	    cmap->EncodingRecord[i].subtable.f.f2 = sub2;
+	    for (j = 0, max_key = 0; j < 256; j++)
+	      {
+		READ_USHORT (stream, sub2->subHeaderKeys[j]);
+		if (max_key < sub2->subHeaderKeys[j])
+		  max_key = sub2->subHeaderKeys[j];
+	      }
+	    max_key += 8;
+	    sub2->subHeaderCount = max_key / 8;
+	    OTF_MALLOC (sub2->subHeaders, max_key / 8, " (subHeaders)");
+	    for (j = 0; j < sub2->subHeaderCount; j++)
+	      {
+		READ_USHORT (stream, sub2->subHeaders[j].firstCode);
+		READ_USHORT (stream, sub2->subHeaders[j].entryCount);
+		READ_SHORT (stream, sub2->subHeaders[j].idDelta);
+		READ_USHORT (stream, sub2->subHeaders[j].idRangeOffset);
+		/* Make it offset from sub2->glyphIndexArray.  */
+		sub2->subHeaders[j].idRangeOffset -= max_key - (j * 8 + 6);
+	      }
+	    sub2->glyphIndexCount = (cmap->EncodingRecord[i].subtable.length
+				     - 262 - max_key);
+	    OTF_MALLOC (sub2->glyphIndexArray, sub2->glyphIndexCount,
+			" (glyphIndexArray)");
+	    READ_BYTES (stream, sub2->glyphIndexArray, sub2->glyphIndexCount);
+	  }
 	  break;
 
 	case 4: