1 files changed, 151 insertions, 0 deletions
diff --git a/woff-private.h b/woff-private.h
new file mode 100644
index 0000000..8a41aa0
--- /dev/null
+++ b/woff-private.h
@@ -0,0 +1,151 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is WOFF font packaging code.
+ *
+ * The Initial Developer of the Original Code is Mozilla Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Jonathan Kew <jfkthame@gmail.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef WOFF_PRIVATE_H_
+#define WOFF_PRIVATE_H_
+
+#include "woff.h"
+
+/* private definitions used in the WOFF encoder/decoder functions */
+
+/* create an OT tag from 4 characters */
+#define TAG(a,b,c,d) ((a)<<24 | (b)<<16 | (c)<<8 | (d))
+
+#define WOFF_SIGNATURE    TAG('w','O','F','F')
+
+#define SFNT_VERSION_CFF  TAG('O','T','T','O')
+#define SFNT_VERSION_TT   0x00010000
+#define SFNT_VERSION_true TAG('t','r','u','e')
+
+#define TABLE_TAG_DSIG    TAG('D','S','I','G')
+#define TABLE_TAG_head    TAG('h','e','a','d')
+#define TABLE_TAG_bhed    TAG('b','h','e','d')
+
+#define SFNT_CHECKSUM_CALC_CONST  0xB1B0AFBAU /* from the TT/OT spec */
+
+#ifdef WOFF_MOZILLA_CLIENT
+# include <prnetdb.h> 
+# define READ32BE(x) PR_ntohl(x)
+# define READ16BE(x) PR_ntohs(x)
+#else
+/* These macros to read values as big-endian only work on "real" variables,
+   not general expressions, because of the use of &(x), but they are
+   designed to work on both BE and LE machines without the need for a
+   configure check. For production code, we might want to replace this
+   with something more efficient. */
+/* read a 32-bit BigEndian value */
+# define READ32BE(x) ( ( (uint32_t) ((uint8_t*)&(x))[0] << 24 ) + \
+                       ( (uint32_t) ((uint8_t*)&(x))[1] << 16 ) + \
+                       ( (uint32_t) ((uint8_t*)&(x))[2] <<  8 ) + \
+                         (uint32_t) ((uint8_t*)&(x))[3]           )
+/* read a 16-bit BigEndian value */
+# define READ16BE(x) ( ( (uint16_t) ((uint8_t*)&(x))[0] << 8 ) + \
+                         (uint16_t) ((uint8_t*)&(x))[1]          )
+#endif
+
+#pragma pack(push,1)
+
+typedef struct {
+  uint32_t version;
+  uint16_t numTables;
+  uint16_t searchRange;
+  uint16_t entrySelector;
+  uint16_t rangeShift;
+} sfntHeader;
+
+typedef struct {
+  uint32_t tag;
+  uint32_t checksum;
+  uint32_t offset;
+  uint32_t length;
+} sfntDirEntry;
+
+typedef struct {
+  uint32_t signature;
+  uint32_t flavor;
+  uint32_t length;
+  uint16_t numTables;
+  uint16_t reserved;
+  uint32_t totalSfntSize;
+  uint16_t majorVersion;
+  uint16_t minorVersion;
+  uint32_t metaOffset;
+  uint32_t metaCompLen;
+  uint32_t metaOrigLen;
+  uint32_t privOffset;
+  uint32_t privLen;
+} woffHeader;
+
+typedef struct {
+  uint32_t tag;
+  uint32_t offset;
+  uint32_t compLen;
+  uint32_t origLen;
+  uint32_t checksum;
+} woffDirEntry;
+
+typedef struct {
+  uint32_t version;
+  uint32_t fontRevision;
+  uint32_t checkSumAdjustment;
+  uint32_t magicNumber;
+  uint16_t flags;
+  uint16_t unitsPerEm;
+  uint32_t created[2];
+  uint32_t modified[2];
+  int16_t xMin;
+  int16_t yMin;
+  int16_t xMax;
+  int16_t yMax;
+  uint16_t macStyle;
+  uint16_t lowestRecPpem;
+  int16_t fontDirectionHint;
+  int16_t indexToLocFormat;
+  int16_t glyphDataFormat;
+} sfntHeadTable;
+
+#define HEAD_TABLE_SIZE 54 /* sizeof(sfntHeadTable) may report 56 because of alignment */
+
+typedef struct {
+  uint32_t offset;
+  uint16_t oldIndex;
+  uint16_t newIndex;
+} tableOrderRec;
+
+#pragma pack(pop)
+
+#endif