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-rw-r--r--Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c38
1 files changed, 34 insertions, 4 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
index 6edf3ae1ded..2c66a9b6481 100644
--- a/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
+++ b/Build/source/libs/freetype2/freetype-src/src/sfnt/sfobjs.c
@@ -4,7 +4,7 @@
*
* SFNT object management (base).
*
- * Copyright (C) 1996-2019 by
+ * Copyright (C) 1996-2020 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
@@ -22,6 +22,7 @@
#include "ttcmap.h"
#include "ttkern.h"
#include "sfwoff.h"
+#include "sfwoff2.h"
#include FT_INTERNAL_SFNT_H
#include FT_INTERNAL_DEBUG_H
#include FT_TRUETYPE_IDS_H
@@ -341,7 +342,9 @@
/* synthesized into a TTC with one offset table. */
static FT_Error
sfnt_open_font( FT_Stream stream,
- TT_Face face )
+ TT_Face face,
+ FT_Int* face_instance_index,
+ FT_Long* woff2_num_faces )
{
FT_Memory memory = stream->memory;
FT_Error error;
@@ -385,6 +388,25 @@
goto retry;
}
+ if ( tag == TTAG_wOF2 )
+ {
+ FT_TRACE2(( "sfnt_open_font: file is a WOFF2; synthesizing SFNT\n" ));
+
+ if ( FT_STREAM_SEEK( offset ) )
+ return error;
+
+ error = woff2_open_font( stream,
+ face,
+ face_instance_index,
+ woff2_num_faces );
+ if ( error )
+ return error;
+
+ /* Swap out stream and retry! */
+ stream = face->root.stream;
+ goto retry;
+ }
+
if ( tag != 0x00010000UL &&
tag != TTAG_ttcf &&
tag != TTAG_OTTO &&
@@ -461,9 +483,10 @@
FT_Parameter* params )
{
FT_Error error;
- FT_Library library = face->root.driver->root.library;
+ FT_Library library = face->root.driver->root.library;
SFNT_Service sfnt;
FT_Int face_index;
+ FT_Long woff2_num_faces = 0;
/* for now, parameters are unused */
@@ -514,7 +537,10 @@
FT_TRACE2(( "SFNT driver\n" ));
- error = sfnt_open_font( stream, face );
+ error = sfnt_open_font( stream,
+ face,
+ &face_instance_index,
+ &woff2_num_faces );
if ( error )
return error;
@@ -689,6 +715,10 @@
face->root.num_faces = face->ttc_header.count;
face->root.face_index = face_instance_index;
+ /* `num_faces' for a WOFF2 needs to be handled separately. */
+ if ( woff2_num_faces )
+ face->root.num_faces = woff2_num_faces;
+
return error;
}