Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/base/ftmm.c

Index: third_party/freetype2/src/src/base/ftmm.c
diff --git a/third_party/freetype2/src/src/base/ftmm.c b/third_party/freetype2/src/src/base/ftmm.c
new file mode 100644
index 0000000000000000000000000000000000000000..7c012aa4386b346976779ac23f43b6fef9969034
--- /dev/null
+++ b/third_party/freetype2/src/src/base/ftmm.c
@@ -0,0 +1,234 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftmm.c                                                                 */
+/*                                                                         */
+/*    Multiple Master font support (body).                                 */
+/*                                                                         */
+/*  Copyright 1996-2015 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_INTERNAL_DEBUG_H
+
+#include FT_MULTIPLE_MASTERS_H
+#include FT_INTERNAL_OBJECTS_H
+#include FT_SERVICE_MULTIPLE_MASTERS_H
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The macro FT_COMPONENT is used in trace mode.  It is an implicit      */
+  /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log  */
+  /* messages during execution.                                            */
+  /*                                                                       */
+#undef  FT_COMPONENT
+#define FT_COMPONENT  trace_mm
+
+
+  static FT_Error
+  ft_face_get_mm_service( FT_Face                   face,
+                          FT_Service_MultiMasters  *aservice )
+  {
+    FT_Error  error;
+
+
+    *aservice = NULL;
+
+    if ( !face )
+      return FT_THROW( Invalid_Face_Handle );
+
+    error = FT_ERR( Invalid_Argument );
+
+    if ( FT_HAS_MULTIPLE_MASTERS( face ) )
+    {
+      FT_FACE_LOOKUP_SERVICE( face,
+                              *aservice,
+                              MULTI_MASTERS );
+
+      if ( *aservice )
+        error = FT_Err_Ok;
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Get_Multi_Master( FT_Face           face,
+                       FT_Multi_Master  *amaster )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !amaster )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->get_mm )
+        error = service->get_mm( face, amaster );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Get_MM_Var( FT_Face      face,
+                 FT_MM_Var*  *amaster )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !amaster )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->get_mm_var )
+        error = service->get_mm_var( face, amaster );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Set_MM_Design_Coordinates( FT_Face   face,
+                                FT_UInt   num_coords,
+                                FT_Long*  coords )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !coords )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->set_mm_design )
+        error = service->set_mm_design( face, num_coords, coords );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Set_Var_Design_Coordinates( FT_Face    face,
+                                 FT_UInt    num_coords,
+                                 FT_Fixed*  coords )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !coords )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->set_var_design )
+        error = service->set_var_design( face, num_coords, coords );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Set_MM_Blend_Coordinates( FT_Face    face,
+                               FT_UInt    num_coords,
+                               FT_Fixed*  coords )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !coords )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->set_mm_blend )
+         error = service->set_mm_blend( face, num_coords, coords );
+    }
+
+    return error;
+  }
+
+
+  /* documentation is in ftmm.h */
+
+  /* This is exactly the same as the previous function.  It exists for */
+  /* orthogonality.                                                    */
+
+  FT_EXPORT_DEF( FT_Error )
+  FT_Set_Var_Blend_Coordinates( FT_Face    face,
+                                FT_UInt    num_coords,
+                                FT_Fixed*  coords )
+  {
+    FT_Error                 error;
+    FT_Service_MultiMasters  service;
+
+
+    /* check of `face' delayed to `ft_face_get_mm_service' */
+
+    if ( !coords )
+      return FT_THROW( Invalid_Argument );
+
+    error = ft_face_get_mm_service( face, &service );
+    if ( !error )
+    {
+      error = FT_ERR( Invalid_Argument );
+      if ( service->set_mm_blend )
+         error = service->set_mm_blend( face, num_coords, coords );
+    }
+
+    return error;
+  }
+
+
+/* END */