chromium/third_party/skia/src/text/gpu/StrikeCache.h

/*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef sktext_gpu_StrikeCache_DEFINED
#define sktext_gpu_StrikeCache_DEFINED

#include "include/core/SkRefCnt.h"
#include "src/base/SkArenaAlloc.h"
#include "src/core/SkDescriptor.h"
#include "src/core/SkStrikeSpec.h"
#include "src/core/SkTHash.h"

#include <cstdint>

struct SkPackedGlyphID;

namespace sktext::gpu {

class Glyph;

// The TextStrike manages an SkArenaAlloc for Glyphs. The SkStrike is what actually creates
// the mask. The TextStrike may outlive the generating SkStrike. However, it retains a copy
// of it's SkDescriptor as a key to access (or regenerate) the SkStrike. TextStrikes are
// created by and owned by a StrikeCache.
class TextStrike : public SkNVRefCnt<TextStrike> { … };

// StrikeCache manages strikes which are indexed by a SkStrike. These strikes can then be
// used to generate individual Glyph Masks.
class StrikeCache { … };

}  // namespace sktext::gpu

#endif  // sktext_gpu_StrikeCache_DEFINED