Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/cache/ftcimage.h

Index: third_party/freetype2/src/src/cache/ftcimage.h
diff --git a/third_party/freetype2/src/src/cache/ftcimage.h b/third_party/freetype2/src/src/cache/ftcimage.h
new file mode 100644
index 0000000000000000000000000000000000000000..b312eaa3d92ef9ba4ab86a22af914cb9f78ae2d7
--- /dev/null
+++ b/third_party/freetype2/src/src/cache/ftcimage.h
@@ -0,0 +1,107 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftcimage.h                                                             */
+/*                                                                         */
+/*    FreeType Generic Image cache (specification)                         */
+/*                                                                         */
+/*  Copyright 2000-2015 by                                                 */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+ /*
+  *  FTC_ICache is an _abstract_ cache used to store a single FT_Glyph
+  *  image per cache node.
+  *
+  *  FTC_ICache extends FTC_GCache.  For an implementation example,
+  *  see FTC_ImageCache in `src/cache/ftbasic.c'.
+  */
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* Each image cache really manages FT_Glyph objects.                     */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+#ifndef __FTCIMAGE_H__
+#define __FTCIMAGE_H__
+
+
+#include <ft2build.h>
+#include FT_CACHE_H
+#include "ftcglyph.h"
+
+FT_BEGIN_HEADER
+
+
+  /* the FT_Glyph image node type - we store only 1 glyph per node */
+  typedef struct  FTC_INodeRec_
+  {
+    FTC_GNodeRec  gnode;
+    FT_Glyph      glyph;
+
+  } FTC_INodeRec, *FTC_INode;
+
+#define FTC_INODE( x )         ( (FTC_INode)( x ) )
+#define FTC_INODE_GINDEX( x )  FTC_GNODE(x)->gindex
+#define FTC_INODE_FAMILY( x )  FTC_GNODE(x)->family
+
+  typedef FT_Error
+  (*FTC_IFamily_LoadGlyphFunc)( FTC_Family  family,
+                                FT_UInt     gindex,
+                                FTC_Cache   cache,
+                                FT_Glyph   *aglyph );
+
+  typedef struct  FTC_IFamilyClassRec_
+  {
+    FTC_MruListClassRec        clazz;
+    FTC_IFamily_LoadGlyphFunc  family_load_glyph;
+
+  } FTC_IFamilyClassRec;
+
+  typedef const FTC_IFamilyClassRec*  FTC_IFamilyClass;
+
+#define FTC_IFAMILY_CLASS( x )  ((FTC_IFamilyClass)(x))
+
+#define FTC_CACHE__IFAMILY_CLASS( x ) \
+          FTC_IFAMILY_CLASS( FTC_CACHE__GCACHE_CLASS(x)->family_class )
+
+
+  /* can be used as a @FTC_Node_FreeFunc */
+  FT_LOCAL( void )
+  FTC_INode_Free( FTC_INode  inode,
+                  FTC_Cache  cache );
+
+  /* Can be used as @FTC_Node_NewFunc.  `gquery.index' and `gquery.family'
+   * must be set correctly.  This function will call the `family_load_glyph'
+   * method to load the FT_Glyph into the cache node.
+   */
+  FT_LOCAL( FT_Error )
+  FTC_INode_New( FTC_INode   *pinode,
+                 FTC_GQuery   gquery,
+                 FTC_Cache    cache );
+
+#if 0
+  /* can be used as @FTC_Node_WeightFunc */
+  FT_LOCAL( FT_ULong )
+  FTC_INode_Weight( FTC_INode  inode );
+#endif
+
+
+ /* */
+
+FT_END_HEADER
+
+#endif /* __FTCIMAGE_H__ */
+
+
+/* END */