/*
* 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"
#include "include/core/SkSpan.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,
SkSpan<const SkRect> rects,
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,
SkSpan<const SkRect> rects,
const SkMask& mask,
SkCachedData* data,
SkResourceCache* localCache = nullptr);
};
#endif
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