1 /* 2 * Copyright 2022 Google LLC 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 SkUniquePaintParamsID_DEFINED 9 #define SkUniquePaintParamsID_DEFINED 10 11 #include "include/core/SkTypes.h" 12 13 // This class boils down to a unique uint that can be used instead of a variable length 14 // key derived from a PaintParams. 15 class SkUniquePaintParamsID { 16 public: SkUniquePaintParamsID(uint32_t id)17 explicit SkUniquePaintParamsID(uint32_t id) : fID(id) { 18 SkASSERT(id != SK_InvalidUniqueID); 19 } 20 InvalidID()21 static SkUniquePaintParamsID InvalidID() { return SkUniquePaintParamsID(); } 22 SkUniquePaintParamsID()23 SkUniquePaintParamsID() : fID(SK_InvalidUniqueID) {} 24 25 bool operator==(const SkUniquePaintParamsID &that) const { return fID == that.fID; } 26 bool operator!=(const SkUniquePaintParamsID &that) const { return !(*this == that); } 27 isValid()28 bool isValid() const { return fID != SK_InvalidUniqueID; } asUInt()29 uint32_t asUInt() const { return fID; } 30 31 private: 32 uint32_t fID; 33 }; 34 35 #endif // SkUniquePaintParamsID_DEFINED 36