OLD | NEW |
1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 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 #ifndef SkColorTable_DEFINED | 10 #ifndef SkColorTable_DEFINED |
11 #define SkColorTable_DEFINED | 11 #define SkColorTable_DEFINED |
12 | 12 |
| 13 #include "../private/SkOncePtr.h" |
13 #include "SkColor.h" | 14 #include "SkColor.h" |
14 #include "SkFlattenable.h" | 15 #include "SkFlattenable.h" |
15 #include "SkImageInfo.h" | 16 #include "SkImageInfo.h" |
16 #include "SkLazyPtr.h" | |
17 | 17 |
18 /** \class SkColorTable | 18 /** \class SkColorTable |
19 | 19 |
20 SkColorTable holds an array SkPMColors (premultiplied 32-bit colors) used by | 20 SkColorTable holds an array SkPMColors (premultiplied 32-bit colors) used by |
21 8-bit bitmaps, where the bitmap bytes are interpreted as indices into the co
lortable. | 21 8-bit bitmaps, where the bitmap bytes are interpreted as indices into the co
lortable. |
22 | 22 |
23 SkColorTable is thread-safe. | 23 SkColorTable is thread-safe. |
24 */ | 24 */ |
25 class SK_API SkColorTable : public SkRefCnt { | 25 class SK_API SkColorTable : public SkRefCnt { |
26 public: | 26 public: |
(...skipping 21 matching lines...) Expand all Loading... |
48 /** read16BitCache() returns the array of RGB16 colors that mirror the 32bit
colors. | 48 /** read16BitCache() returns the array of RGB16 colors that mirror the 32bit
colors. |
49 */ | 49 */ |
50 const uint16_t* read16BitCache() const; | 50 const uint16_t* read16BitCache() const; |
51 | 51 |
52 void writeToBuffer(SkWriteBuffer&) const; | 52 void writeToBuffer(SkWriteBuffer&) const; |
53 | 53 |
54 // may return null | 54 // may return null |
55 static SkColorTable* Create(SkReadBuffer&); | 55 static SkColorTable* Create(SkReadBuffer&); |
56 | 56 |
57 private: | 57 private: |
58 static void Free16BitCache(uint16_t*); | |
59 | |
60 enum AllocatedWithMalloc { | 58 enum AllocatedWithMalloc { |
61 kAllocatedWithMalloc | 59 kAllocatedWithMalloc |
62 }; | 60 }; |
63 // assumes ownership of colors (assumes it was allocated w/ malloc) | 61 // assumes ownership of colors (assumes it was allocated w/ malloc) |
64 SkColorTable(SkPMColor* colors, int count, AllocatedWithMalloc); | 62 SkColorTable(SkPMColor* colors, int count, AllocatedWithMalloc); |
65 | 63 |
| 64 struct Free16BitCache { void operator()(uint16_t* cache) const { sk_free(cac
he); } }; |
| 65 |
66 SkPMColor* fColors; | 66 SkPMColor* fColors; |
67 SkLazyPtr<uint16_t, Free16BitCache> f16BitCache; | 67 SkOncePtr<uint16_t, Free16BitCache> f16BitCache; |
68 int fCount; | 68 int fCount; |
69 | 69 |
70 void init(const SkPMColor* colors, int count); | 70 void init(const SkPMColor* colors, int count); |
71 | 71 |
72 typedef SkRefCnt INHERITED; | 72 typedef SkRefCnt INHERITED; |
73 }; | 73 }; |
74 | 74 |
75 #endif | 75 #endif |
OLD | NEW |