1 /* 2 * Copyright 2019 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrImageContextPriv_DEFINED 9 #define GrImageContextPriv_DEFINED 10 11 #include "GrImageContext.h" 12 13 /** Class that exposes methods on GrImageContext that are only intended for use internal to Skia. 14 This class is purely a privileged window into GrImageContext. It should never have 15 additional data members or virtual methods. */ 16 class GrImageContextPriv { 17 public: 18 // from GrContext_Base contextID()19 uint32_t contextID() const { return fContext->contextID(); } 20 21 // from GrImageContext 22 23 private: GrImageContextPriv(GrImageContext * context)24 explicit GrImageContextPriv(GrImageContext* context) : fContext(context) {} 25 GrImageContextPriv(const GrImageContextPriv&); // unimpl 26 GrImageContextPriv& operator=(const GrImageContextPriv&); // unimpl 27 28 // No taking addresses of this type. 29 const GrImageContextPriv* operator&() const; 30 GrImageContextPriv* operator&(); 31 32 GrImageContext* fContext; 33 34 friend class GrImageContext; // to construct/copy this type. 35 }; 36 priv()37inline GrImageContextPriv GrImageContext::priv() { return GrImageContextPriv(this); } 38 priv()39inline const GrImageContextPriv GrImageContext::priv () const { 40 return GrImageContextPriv(const_cast<GrImageContext*>(this)); 41 } 42 43 #endif 44