Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/cache/ftcimage.c

Index: third_party/freetype2/src/src/cache/ftcimage.c
diff --git a/third_party/freetype2/src/src/cache/ftcimage.c b/third_party/freetype2/src/src/cache/ftcimage.c
new file mode 100644
index 0000000000000000000000000000000000000000..f519a6179cd6b9d08c75715891783a8b0e79517a
--- /dev/null
+++ b/third_party/freetype2/src/src/cache/ftcimage.c
@@ -0,0 +1,164 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftcimage.c                                                             */
+/*                                                                         */
+/*    FreeType Image cache (body).                                         */
+/*                                                                         */
+/*  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.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include <ft2build.h>
+#include FT_CACHE_H
+#include "ftcimage.h"
+#include FT_INTERNAL_MEMORY_H
+#include FT_INTERNAL_OBJECTS_H
+
+#include "ftccback.h"
+#include "ftcerror.h"
+
+
+  /* finalize a given glyph image node */
+  FT_LOCAL_DEF( void )
+  ftc_inode_free( FTC_Node   ftcinode,
+                  FTC_Cache  cache )
+  {
+    FTC_INode  inode = (FTC_INode)ftcinode;
+    FT_Memory  memory = cache->memory;
+
+
+    if ( inode->glyph )
+    {
+      FT_Done_Glyph( inode->glyph );
+      inode->glyph = NULL;
+    }
+
+    FTC_GNode_Done( FTC_GNODE( inode ), cache );
+    FT_FREE( inode );
+  }
+
+
+  FT_LOCAL_DEF( void )
+  FTC_INode_Free( FTC_INode  inode,
+                  FTC_Cache  cache )
+  {
+    ftc_inode_free( FTC_NODE( inode ), cache );
+  }
+
+
+  /* initialize a new glyph image node */
+  FT_LOCAL_DEF( FT_Error )
+  FTC_INode_New( FTC_INode   *pinode,
+                 FTC_GQuery   gquery,
+                 FTC_Cache    cache )
+  {
+    FT_Memory  memory = cache->memory;
+    FT_Error   error;
+    FTC_INode  inode  = NULL;
+
+
+    if ( !FT_NEW( inode ) )
+    {
+      FTC_GNode         gnode  = FTC_GNODE( inode );
+      FTC_Family        family = gquery->family;
+      FT_UInt           gindex = gquery->gindex;
+      FTC_IFamilyClass  clazz  = FTC_CACHE__IFAMILY_CLASS( cache );
+
+
+      /* initialize its inner fields */
+      FTC_GNode_Init( gnode, gindex, family );
+
+      /* we will now load the glyph image */
+      error = clazz->family_load_glyph( family, gindex, cache,
+                                        &inode->glyph );
+      if ( error )
+      {
+        FTC_INode_Free( inode, cache );
+        inode = NULL;
+      }
+    }
+
+    *pinode = inode;
+    return error;
+  }
+
+
+  FT_LOCAL_DEF( FT_Error )
+  ftc_inode_new( FTC_Node   *ftcpinode,
+                 FT_Pointer  ftcgquery,
+                 FTC_Cache   cache )
+  {
+    FTC_INode  *pinode = (FTC_INode*)ftcpinode;
+    FTC_GQuery  gquery = (FTC_GQuery)ftcgquery;
+
+
+    return FTC_INode_New( pinode, gquery, cache );
+  }
+
+
+  FT_LOCAL_DEF( FT_Offset )
+  ftc_inode_weight( FTC_Node   ftcinode,
+                    FTC_Cache  ftccache )
+  {
+    FTC_INode  inode = (FTC_INode)ftcinode;
+    FT_Offset  size  = 0;
+    FT_Glyph   glyph = inode->glyph;
+
+    FT_UNUSED( ftccache );
+
+
+    switch ( glyph->format )
+    {
+    case FT_GLYPH_FORMAT_BITMAP:
+      {
+        FT_BitmapGlyph  bitg;
+
+
+        bitg = (FT_BitmapGlyph)glyph;
+        size = bitg->bitmap.rows * (FT_Offset)FT_ABS( bitg->bitmap.pitch ) +
+               sizeof ( *bitg );
+      }
+      break;
+
+    case FT_GLYPH_FORMAT_OUTLINE:
+      {
+        FT_OutlineGlyph  outg;
+
+
+        outg = (FT_OutlineGlyph)glyph;
+        size = (FT_Offset)outg->outline.n_points *
+                 ( sizeof ( FT_Vector ) + sizeof ( FT_Byte ) ) +
+               (FT_Offset)outg->outline.n_contours * sizeof ( FT_Short ) +
+               sizeof ( *outg );
+      }
+      break;
+
+    default:
+      ;
+    }
+
+    size += sizeof ( *inode );
+    return size;
+  }
+
+
+#if 0
+
+  FT_LOCAL_DEF( FT_Offset )
+  FTC_INode_Weight( FTC_INode  inode )
+  {
+    return ftc_inode_weight( FTC_NODE( inode ), NULL );
+  }
+
+#endif /* 0 */
+
+
+/* END */