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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkMaskCache_DEFINED
#define SkMaskCache_DEFINED
#include "include/core/SkScalar.h"
class SkCachedData;
class SkRRect;
class SkResourceCache;
enum SkBlurStyle : int;
struct SkMask;
struct SkRect;
template <typename T> class SkTLazy;
class SkMaskCache {
public:
/**
* On success, return a ref to the SkCachedData that holds the pixels, and have mask
* already point to that memory.
*
* On failure, return nullptr.
*/
static SkCachedData* FindAndRef(SkScalar sigma, SkBlurStyle style,
const SkRRect& rrect, SkTLazy<SkMask>* mask,
SkResourceCache* localCache = nullptr);
static SkCachedData* FindAndRef(SkScalar sigma, SkBlurStyle style,
const SkRect rects[], int count, SkTLazy<SkMask>* mask,
SkResourceCache* localCache = nullptr);
/**
* Add a mask and its pixel-data to the cache.
*/
static void Add(SkScalar sigma, SkBlurStyle style,
const SkRRect& rrect, const SkMask& mask, SkCachedData* data,
SkResourceCache* localCache = nullptr);
static void Add(SkScalar sigma, SkBlurStyle style,
const SkRect rects[], int count, const SkMask& mask, SkCachedData* data,
SkResourceCache* localCache = nullptr);
};
#endif