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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrStencilAndCoverTextContext_DEFINED | 8 #ifndef GrStencilAndCoverTextContext_DEFINED |
9 #define GrStencilAndCoverTextContext_DEFINED | 9 #define GrStencilAndCoverTextContext_DEFINED |
10 | 10 |
11 #include "GrDrawContext.h" | 11 #include "GrDrawContext.h" |
12 #include "GrStyle.h" | 12 #include "GrStyle.h" |
13 #include "SkDrawFilter.h" | 13 #include "SkDrawFilter.h" |
| 14 #include "SkOpts.h" |
14 #include "SkTextBlob.h" | 15 #include "SkTextBlob.h" |
15 #include "SkTHash.h" | 16 #include "SkTHash.h" |
16 #include "SkTInternalLList.h" | 17 #include "SkTInternalLList.h" |
17 #include "SkTLList.h" | 18 #include "SkTLList.h" |
18 #include "batches/GrDrawPathBatch.h" | 19 #include "batches/GrDrawPathBatch.h" |
19 | 20 |
20 class GrAtlasTextContext; | 21 class GrAtlasTextContext; |
21 class GrTextStrike; | 22 class GrTextStrike; |
22 class GrPath; | 23 class GrPath; |
23 class SkSurfaceProps; | 24 class SkSurfaceProps; |
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113 // Text blobs/caches. | 114 // Text blobs/caches. |
114 | 115 |
115 class TextBlob : public SkTLList<TextRun, 1> { | 116 class TextBlob : public SkTLList<TextRun, 1> { |
116 public: | 117 public: |
117 typedef SkTArray<uint32_t, true> Key; | 118 typedef SkTArray<uint32_t, true> Key; |
118 | 119 |
119 static const Key& GetKey(const TextBlob* blob) { return blob->key(); } | 120 static const Key& GetKey(const TextBlob* blob) { return blob->key(); } |
120 | 121 |
121 static uint32_t Hash(const Key& key) { | 122 static uint32_t Hash(const Key& key) { |
122 SkASSERT(key.count() > 1); // 1-length keys should be using the blob
-id hash map. | 123 SkASSERT(key.count() > 1); // 1-length keys should be using the blob
-id hash map. |
123 return SkChecksum::Murmur3(key.begin(), sizeof(uint32_t) * key.count
()); | 124 return SkOpts::hash(key.begin(), sizeof(uint32_t) * key.count()); |
124 } | 125 } |
125 | 126 |
126 TextBlob(uint32_t blobId, const SkTextBlob* skBlob, const SkPaint& skPai
nt) | 127 TextBlob(uint32_t blobId, const SkTextBlob* skBlob, const SkPaint& skPai
nt) |
127 : fKey(&blobId, 1) { this->init(skBlob, skPaint); } | 128 : fKey(&blobId, 1) { this->init(skBlob, skPaint); } |
128 | 129 |
129 TextBlob(const Key& key, const SkTextBlob* skBlob, const SkPaint& skPain
t) | 130 TextBlob(const Key& key, const SkTextBlob* skBlob, const SkPaint& skPain
t) |
130 : fKey(key) { | 131 : fKey(key) { |
131 // 1-length keys are unterstood to be the blob id and must use the o
ther constructor. | 132 // 1-length keys are unterstood to be the blob id and must use the o
ther constructor. |
132 SkASSERT(fKey.count() > 1); | 133 SkASSERT(fKey.count() > 1); |
133 this->init(skBlob, skPaint); | 134 this->init(skBlob, skPaint); |
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150 void purgeToFit(const TextBlob&); | 151 void purgeToFit(const TextBlob&); |
151 | 152 |
152 GrAtlasTextContext* fFallbackTextConte
xt; | 153 GrAtlasTextContext* fFallbackTextConte
xt; |
153 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; | 154 SkTHashMap<uint32_t, TextBlob*> fBlobIdCache; |
154 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; | 155 SkTHashTable<TextBlob*, const TextBlob::Key&, TextBlob> fBlobKeyCache; |
155 SkTInternalLList<TextBlob> fLRUList; | 156 SkTInternalLList<TextBlob> fLRUList; |
156 size_t fCacheSize; | 157 size_t fCacheSize; |
157 }; | 158 }; |
158 | 159 |
159 #endif | 160 #endif |
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