Add Harfbuzz to third_party and Skia support for such.

Harfbuzz is an open source library which is a unification of the Qt
and Pango shaping engines. We'll be using it on Chromium Linux to
perform complex text shaping.

Additionally, we add support for Harfbuzz into Skia, guarded by
SKIA_HARFBUZZ.

http://codereview.chromium.org/63035/show


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13214 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 118 insertions, 0 deletions

diff --git a/third_party/harfbuzz/src/harfbuzz-global.h b/third_party/harfbuzz/src/harfbuzz-global.h
new file mode 100644
index 0000000..d4e6b46
--- /dev/null
+++ b/third_party/harfbuzz/src/harfbuzz-global.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
+ * Copyright (C) 2007  Red Hat, Inc.
+ *
+ * This is part of HarfBuzz, an OpenType Layout engine library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Red Hat Author(s): Behdad Esfahbod
+ */
+
+#ifndef HARFBUZZ_GLOBAL_H
+#define HARFBUZZ_GLOBAL_H
+
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef __cplusplus
+#define HB_BEGIN_HEADER  extern "C" {
+#define HB_END_HEADER  }
+#else
+#define HB_BEGIN_HEADER  /* nothing */
+#define HB_END_HEADER  /* nothing */
+#endif
+
+HB_BEGIN_HEADER
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef TRUE
+#define TRUE (!FALSE)
+#endif
+
+#define HB_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
+          ( ( (HB_UInt)_x1 << 24 ) |     \
+            ( (HB_UInt)_x2 << 16 ) |     \
+            ( (HB_UInt)_x3 <<  8 ) |     \
+              (HB_UInt)_x4         )
+
+typedef char hb_int8;
+typedef unsigned char hb_uint8;
+typedef short hb_int16;
+typedef unsigned short hb_uint16;
+typedef int hb_int32;
+typedef unsigned int hb_uint32;
+
+typedef hb_uint8 HB_Bool;
+
+typedef hb_uint8 HB_Byte;
+typedef hb_uint16 HB_UShort;
+typedef hb_uint32 HB_UInt;
+typedef hb_int8 HB_Char;
+typedef hb_int16 HB_Short;
+typedef hb_int32 HB_Int;
+
+typedef hb_uint16 HB_UChar16;
+typedef hb_uint32 HB_UChar32;
+typedef hb_uint32 HB_Glyph;
+typedef hb_int32 HB_Fixed; /* 26.6 */
+
+#define HB_FIXED_CONSTANT(v) ((v) * 64)
+#define HB_FIXED_ROUND(v) (((v)+32) & -64)
+
+typedef hb_int32 HB_16Dot16; /* 16.16 */
+
+typedef void * HB_Pointer;
+typedef hb_uint32 HB_Tag;
+
+typedef enum {
+  /* no error */
+  HB_Err_Ok                           = 0x0000,
+  HB_Err_Not_Covered                  = 0xFFFF,
+
+  /* _hb_err() is called whenever returning the following errors,
+   * and in a couple places for HB_Err_Not_Covered too. */
+
+  /* programmer error */
+  HB_Err_Invalid_Argument             = 0x1A66,
+
+  /* font error */
+  HB_Err_Invalid_SubTable_Format      = 0x157F,
+  HB_Err_Invalid_SubTable             = 0x1570,
+  HB_Err_Read_Error                   = 0x6EAD,
+
+  /* system error */
+  HB_Err_Out_Of_Memory                = 0xDEAD
+} HB_Error;
+
+typedef struct {
+    HB_Fixed x;
+    HB_Fixed y;
+} HB_FixedPoint;
+
+typedef struct HB_Font_ *HB_Font;
+typedef struct HB_StreamRec_ *HB_Stream;
+typedef struct HB_FaceRec_ *HB_Face;
+
+HB_END_HEADER
+
+#endif