| OLD | NEW |
| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 | 9 |
| 10 #include "SkGradientBitmapCache.h" | 10 #include "SkGradientBitmapCache.h" |
| 11 | 11 |
| 12 struct SkGradientBitmapCache::Entry { | 12 struct SkGradientBitmapCache::Entry { |
| 13 Entry* fPrev; | 13 Entry* fPrev; |
| 14 Entry* fNext; | 14 Entry* fNext; |
| 15 | 15 |
| 16 void* fBuffer; | 16 void* fBuffer; |
| 17 size_t fSize; | 17 size_t fSize; |
| 18 SkBitmap fBitmap; | 18 SkBitmap fBitmap; |
| 19 | 19 |
| 20 Entry(const void* buffer, size_t size, const SkBitmap& bm) | 20 Entry(const void* buffer, size_t size, const SkBitmap& bm) |
| 21 : fPrev(NULL), | 21 : fPrev(nullptr), |
| 22 fNext(NULL), | 22 fNext(nullptr), |
| 23 fBitmap(bm) { | 23 fBitmap(bm) { |
| 24 fBuffer = sk_malloc_throw(size); | 24 fBuffer = sk_malloc_throw(size); |
| 25 fSize = size; | 25 fSize = size; |
| 26 memcpy(fBuffer, buffer, size); | 26 memcpy(fBuffer, buffer, size); |
| 27 } | 27 } |
| 28 | 28 |
| 29 ~Entry() { sk_free(fBuffer); } | 29 ~Entry() { sk_free(fBuffer); } |
| 30 | 30 |
| 31 bool equals(const void* buffer, size_t size) const { | 31 bool equals(const void* buffer, size_t size) const { |
| 32 return (fSize == size) && !memcmp(fBuffer, buffer, size); | 32 return (fSize == size) && !memcmp(fBuffer, buffer, size); |
| 33 } | 33 } |
| 34 }; | 34 }; |
| 35 | 35 |
| 36 SkGradientBitmapCache::SkGradientBitmapCache(int max) : fMaxEntries(max) { | 36 SkGradientBitmapCache::SkGradientBitmapCache(int max) : fMaxEntries(max) { |
| 37 fEntryCount = 0; | 37 fEntryCount = 0; |
| 38 fHead = fTail = NULL; | 38 fHead = fTail = nullptr; |
| 39 | 39 |
| 40 this->validate(); | 40 this->validate(); |
| 41 } | 41 } |
| 42 | 42 |
| 43 SkGradientBitmapCache::~SkGradientBitmapCache() { | 43 SkGradientBitmapCache::~SkGradientBitmapCache() { |
| 44 this->validate(); | 44 this->validate(); |
| 45 | 45 |
| 46 Entry* entry = fHead; | 46 Entry* entry = fHead; |
| 47 while (entry) { | 47 while (entry) { |
| 48 Entry* next = entry->fNext; | 48 Entry* next = entry->fNext; |
| (...skipping 14 matching lines...) Expand all Loading... |
| 63 SkASSERT(fTail != entry); | 63 SkASSERT(fTail != entry); |
| 64 entry->fNext->fPrev = entry->fPrev; | 64 entry->fNext->fPrev = entry->fPrev; |
| 65 } else { | 65 } else { |
| 66 SkASSERT(fTail == entry); | 66 SkASSERT(fTail == entry); |
| 67 fTail = entry->fPrev; | 67 fTail = entry->fPrev; |
| 68 } | 68 } |
| 69 return entry; | 69 return entry; |
| 70 } | 70 } |
| 71 | 71 |
| 72 void SkGradientBitmapCache::attachToHead(Entry* entry) const { | 72 void SkGradientBitmapCache::attachToHead(Entry* entry) const { |
| 73 entry->fPrev = NULL; | 73 entry->fPrev = nullptr; |
| 74 entry->fNext = fHead; | 74 entry->fNext = fHead; |
| 75 if (fHead) { | 75 if (fHead) { |
| 76 fHead->fPrev = entry; | 76 fHead->fPrev = entry; |
| 77 } else { | 77 } else { |
| 78 fTail = entry; | 78 fTail = entry; |
| 79 } | 79 } |
| 80 fHead = entry; | 80 fHead = entry; |
| 81 } | 81 } |
| 82 | 82 |
| 83 bool SkGradientBitmapCache::find(const void* buffer, size_t size, SkBitmap* bm)
const { | 83 bool SkGradientBitmapCache::find(const void* buffer, size_t size, SkBitmap* bm)
const { |
| (...skipping 30 matching lines...) Expand all Loading... |
| 114 } | 114 } |
| 115 | 115 |
| 116 /////////////////////////////////////////////////////////////////////////////// | 116 /////////////////////////////////////////////////////////////////////////////// |
| 117 | 117 |
| 118 #ifdef SK_DEBUG | 118 #ifdef SK_DEBUG |
| 119 | 119 |
| 120 void SkGradientBitmapCache::validate() const { | 120 void SkGradientBitmapCache::validate() const { |
| 121 SkASSERT(fEntryCount >= 0 && fEntryCount <= fMaxEntries); | 121 SkASSERT(fEntryCount >= 0 && fEntryCount <= fMaxEntries); |
| 122 | 122 |
| 123 if (fEntryCount > 0) { | 123 if (fEntryCount > 0) { |
| 124 SkASSERT(NULL == fHead->fPrev); | 124 SkASSERT(nullptr == fHead->fPrev); |
| 125 SkASSERT(NULL == fTail->fNext); | 125 SkASSERT(nullptr == fTail->fNext); |
| 126 | 126 |
| 127 if (fEntryCount == 1) { | 127 if (fEntryCount == 1) { |
| 128 SkASSERT(fHead == fTail); | 128 SkASSERT(fHead == fTail); |
| 129 } else { | 129 } else { |
| 130 SkASSERT(fHead != fTail); | 130 SkASSERT(fHead != fTail); |
| 131 } | 131 } |
| 132 | 132 |
| 133 Entry* entry = fHead; | 133 Entry* entry = fHead; |
| 134 int count = 0; | 134 int count = 0; |
| 135 while (entry) { | 135 while (entry) { |
| 136 count += 1; | 136 count += 1; |
| 137 entry = entry->fNext; | 137 entry = entry->fNext; |
| 138 } | 138 } |
| 139 SkASSERT(count == fEntryCount); | 139 SkASSERT(count == fEntryCount); |
| 140 | 140 |
| 141 entry = fTail; | 141 entry = fTail; |
| 142 while (entry) { | 142 while (entry) { |
| 143 count -= 1; | 143 count -= 1; |
| 144 entry = entry->fPrev; | 144 entry = entry->fPrev; |
| 145 } | 145 } |
| 146 SkASSERT(0 == count); | 146 SkASSERT(0 == count); |
| 147 } else { | 147 } else { |
| 148 SkASSERT(NULL == fHead); | 148 SkASSERT(nullptr == fHead); |
| 149 SkASSERT(NULL == fTail); | 149 SkASSERT(nullptr == fTail); |
| 150 } | 150 } |
| 151 } | 151 } |
| 152 | 152 |
| 153 #endif | 153 #endif |
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