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      1 /* Copyright 2013 The Chromium Authors. All rights reserved.
      2  * Use of this source code is governed by a BSD-style license that can be
      3  * found in the LICENSE file.
      4  */
      5 
      6 /**
      7  * This file defines the <code>PPB_VarResource</code> struct providing
      8  * a way to interact with resource vars.
      9  */
     10 
     11 label Chrome {
     12   M32 = 0.1
     13 };
     14 
     15 [macro="PPB_VAR_RESOURCE_DEV_INTERFACE"]
     16 interface PPB_VarResource_Dev {
     17   /**
     18    * Converts a resource-type var to a <code>PP_Resource</code>.
     19    *
     20    * @param[in] var A <code>PP_Var</code> struct containing a resource-type var.
     21    *
     22    * @return A <code>PP_Resource</code> retrieved from the var, or 0 if the var
     23    * is not a resource. The reference count of the resource is incremented on
     24    * behalf of the caller.
     25    */
     26   PP_Resource VarToResource([in] PP_Var var);
     27 
     28   /**
     29    * Creates a new <code>PP_Var</code> from a given resource.
     30    *
     31    * @param[in] resource A <code>PP_Resource</code> to be wrapped in a var.
     32    *
     33    * @return A <code>PP_Var</code> created for this resource, with type
     34    * <code>PP_VARTYPE_RESOURCE</code>. The reference count of the var is set to
     35    * 1 on behalf of the caller.
     36    */
     37   PP_Var VarFromResource([in] PP_Resource resource);
     38 };
     39