ref: b45c7dd5e2719da00a724bbb29fbc2b882060ade
parent: 2fa573c1b038a32b7c6f5c76477f9b66a47cc425
author: Nikhil Ramakrishnan <[email protected]>
date: Sun Jun 16 13:55:59 EDT 2019
[sfnt] Add WOFF2 constants. Add constants required for WOFF2, and known table tags as defined in the specification. See https://www.w3.org/TR/WOFF2/#table_dir_format for details. * src/sfnt/woff2tags.c, src/sfnt/woff2tags.h: New files.
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,18 @@
2019-08-27 Nikhil Ramakrishnan <[email protected]>
+ [sfnt] Add WOFF2 constants.
+
+ Add constants required for WOFF2, and known table tags as defined in
+ the specification. See
+
+ https://www.w3.org/TR/WOFF2/#table_dir_format
+
+ for details.
+
+ * src/sfnt/woff2tags.c, src/sfnt/woff2tags.h: New files.
+
+2019-08-27 Nikhil Ramakrishnan <[email protected]>
+
[sfnt] Read WOFF 2 header.
Check for WOFF2 tag, call `woff2_open_font', and implement it to read
--- /dev/null
+++ b/src/sfnt/woff2tags.c
@@ -1,0 +1,90 @@
+/****************************************************************************
+ *
+ * woff2tags.c
+ *
+ * WOFF2 Font table tags (base).
+ *
+ * Copyright (C) 2019 by
+ * Nikhil Ramakrishnan, David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+#include <ft2build.h>
+#include "sfwoff.h"
+#include FT_TRUETYPE_TAGS_H
+
+/* Known table tags in the order given in WOFF2 specification. */
+const FT_ULong KnownTags[63] = {+ FT_MAKE_TAG('c', 'm', 'a', 'p'), /* 0 */+ FT_MAKE_TAG('h', 'e', 'a', 'd'), /* 1 */+ FT_MAKE_TAG('h', 'h', 'e', 'a'), /* 2 */+ FT_MAKE_TAG('h', 'm', 't', 'x'), /* 3 */+ FT_MAKE_TAG('m', 'a', 'x', 'p'), /* 4 */+ FT_MAKE_TAG('n', 'a', 'm', 'e'), /* 5 */+ FT_MAKE_TAG('O', 'S', '/', '2'), /* 6 */+ FT_MAKE_TAG('p', 'o', 's', 't'), /* 7 */+ FT_MAKE_TAG('c', 'v', 't', ' '), /* 8 */+ FT_MAKE_TAG('f', 'p', 'g', 'm'), /* 9 */+ FT_MAKE_TAG('g', 'l', 'y', 'f'), /* 10 */+ FT_MAKE_TAG('l', 'o', 'c', 'a'), /* 11 */+ FT_MAKE_TAG('p', 'r', 'e', 'p'), /* 12 */+ FT_MAKE_TAG('C', 'F', 'F', ' '), /* 13 */+ FT_MAKE_TAG('V', 'O', 'R', 'G'), /* 14 */+ FT_MAKE_TAG('E', 'B', 'D', 'T'), /* 15 */+ FT_MAKE_TAG('E', 'B', 'L', 'C'), /* 16 */+ FT_MAKE_TAG('g', 'a', 's', 'p'), /* 17 */+ FT_MAKE_TAG('h', 'd', 'm', 'x'), /* 18 */+ FT_MAKE_TAG('k', 'e', 'r', 'n'), /* 19 */+ FT_MAKE_TAG('L', 'T', 'S', 'H'), /* 20 */+ FT_MAKE_TAG('P', 'C', 'L', 'T'), /* 21 */+ FT_MAKE_TAG('V', 'D', 'M', 'X'), /* 22 */+ FT_MAKE_TAG('v', 'h', 'e', 'a'), /* 23 */+ FT_MAKE_TAG('v', 'm', 't', 'x'), /* 24 */+ FT_MAKE_TAG('B', 'A', 'S', 'E'), /* 25 */+ FT_MAKE_TAG('G', 'D', 'E', 'F'), /* 26 */+ FT_MAKE_TAG('G', 'P', 'O', 'S'), /* 27 */+ FT_MAKE_TAG('G', 'S', 'U', 'B'), /* 28 */+ FT_MAKE_TAG('E', 'B', 'S', 'C'), /* 29 */+ FT_MAKE_TAG('J', 'S', 'T', 'F'), /* 30 */+ FT_MAKE_TAG('M', 'A', 'T', 'H'), /* 31 */+ FT_MAKE_TAG('C', 'B', 'D', 'T'), /* 32 */+ FT_MAKE_TAG('C', 'B', 'L', 'C'), /* 33 */+ FT_MAKE_TAG('C', 'O', 'L', 'R'), /* 34 */+ FT_MAKE_TAG('C', 'P', 'A', 'L'), /* 35 */+ FT_MAKE_TAG('S', 'V', 'G', ' '), /* 36 */+ FT_MAKE_TAG('s', 'b', 'i', 'x'), /* 37 */+ FT_MAKE_TAG('a', 'c', 'n', 't'), /* 38 */+ FT_MAKE_TAG('a', 'v', 'a', 'r'), /* 39 */+ FT_MAKE_TAG('b', 'd', 'a', 't'), /* 40 */+ FT_MAKE_TAG('b', 'l', 'o', 'c'), /* 41 */+ FT_MAKE_TAG('b', 's', 'l', 'n'), /* 42 */+ FT_MAKE_TAG('c', 'v', 'a', 'r'), /* 43 */+ FT_MAKE_TAG('f', 'd', 's', 'c'), /* 44 */+ FT_MAKE_TAG('f', 'e', 'a', 't'), /* 45 */+ FT_MAKE_TAG('f', 'm', 't', 'x'), /* 46 */+ FT_MAKE_TAG('f', 'v', 'a', 'r'), /* 47 */+ FT_MAKE_TAG('g', 'v', 'a', 'r'), /* 48 */+ FT_MAKE_TAG('h', 's', 't', 'y'), /* 49 */+ FT_MAKE_TAG('j', 'u', 's', 't'), /* 50 */+ FT_MAKE_TAG('l', 'c', 'a', 'r'), /* 51 */+ FT_MAKE_TAG('m', 'o', 'r', 't'), /* 52 */+ FT_MAKE_TAG('m', 'o', 'r', 'x'), /* 53 */+ FT_MAKE_TAG('o', 'p', 'b', 'd'), /* 54 */+ FT_MAKE_TAG('p', 'r', 'o', 'p'), /* 55 */+ FT_MAKE_TAG('t', 'r', 'a', 'k'), /* 56 */+ FT_MAKE_TAG('Z', 'a', 'p', 'f'), /* 57 */+ FT_MAKE_TAG('S', 'i', 'l', 'f'), /* 58 */+ FT_MAKE_TAG('G', 'l', 'a', 't'), /* 59 */+ FT_MAKE_TAG('G', 'l', 'o', 'c'), /* 60 */+ FT_MAKE_TAG('F', 'e', 'a', 't'), /* 61 */+ FT_MAKE_TAG('S', 'i', 'l', 'l'), /* 62 */+};
+
+
+/* END */
--- /dev/null
+++ b/src/sfnt/woff2tags.h
@@ -1,0 +1,44 @@
+/****************************************************************************
+ *
+ * woff2tags.h
+ *
+ * WOFFF2 Font table tags (specification).
+ *
+ * Copyright (C) 1996-2019 by
+ * Nikhil Ramakrishnan, David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT. By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#ifndef WOFF2TAGS_H
+#define WOFF2TAGS_H
+
+
+#include <ft2build.h>
+#include FT_INTERNAL_OBJECTS_H
+
+
+FT_BEGIN_HEADER
+
+
+/* Leave the first byte open to store flag_byte. */
+#define WOFF2_FLAGS_TRANSFORM 1 << 8
+
+#define WOFF2_SFNT_HEADER_SIZE 12
+#define WOFF2_SFNT_ENTRY_SIZE 16
+
+/* Known table tags. */
+extern const FT_ULong KnownTags[];
+
+FT_END_HEADER
+
+#endif /* WOFF2TAGS_H */
+
+
+/* END */