48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
|
/*
|
||
|
|
Copyright 2010 Google Inc.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef GrKey_DEFINED
|
||
|
|
#define GrKey_DEFINED
|
||
|
|
|
||
|
|
#include "GrRefCnt.h"
|
||
|
|
|
||
|
|
class GrKey : public GrRefCnt {
|
||
|
|
public:
|
||
|
|
typedef intptr_t Hash;
|
||
|
|
|
||
|
|
explicit GrKey(Hash hash) : fHash(hash) {}
|
||
|
|
|
||
|
|
intptr_t getHash() const { return fHash; }
|
||
|
|
|
||
|
|
bool operator<(const GrKey& rh) const {
|
||
|
|
return fHash < rh.fHash || (fHash == rh.fHash && this->lt(rh));
|
||
|
|
}
|
||
|
|
bool operator==(const GrKey& rh) const {
|
||
|
|
return fHash == rh.fHash && this->eq(rh);
|
||
|
|
}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
virtual bool lt(const GrKey& rh) const = 0;
|
||
|
|
virtual bool eq(const GrKey& rh) const = 0;
|
||
|
|
|
||
|
|
private:
|
||
|
|
const Hash fHash;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|