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1 /* | 1 /* |
2 * Copyright 2008 The Android Open Source Project | 2 * Copyright 2008 The Android Open Source Project |
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 #include "SkAtomics.h" | 8 #include "SkAtomics.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
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22 #include "SkWriteBuffer.h" | 22 #include "SkWriteBuffer.h" |
23 | 23 |
24 #include <string.h> | 24 #include <string.h> |
25 | 25 |
26 static bool reset_return_false(SkBitmap* bm) { | 26 static bool reset_return_false(SkBitmap* bm) { |
27 bm->reset(); | 27 bm->reset(); |
28 return false; | 28 return false; |
29 } | 29 } |
30 | 30 |
31 SkBitmap::SkBitmap() { | 31 SkBitmap::SkBitmap() { |
32 this->fInfo = SkImageInfo::MakeUnknown(); | |
msarett
2016/05/26 13:43:05
I could also add a reset() function to SkImageInfo
| |
32 sk_bzero(this, sizeof(*this)); | 33 sk_bzero(this, sizeof(*this)); |
33 } | 34 } |
34 | 35 |
35 SkBitmap::SkBitmap(const SkBitmap& src) { | 36 SkBitmap::SkBitmap(const SkBitmap& src) { |
36 SkDEBUGCODE(src.validate();) | 37 SkDEBUGCODE(src.validate();) |
38 this->fInfo = SkImageInfo::MakeUnknown(); | |
37 sk_bzero(this, sizeof(*this)); | 39 sk_bzero(this, sizeof(*this)); |
38 *this = src; | 40 *this = src; |
39 SkDEBUGCODE(this->validate();) | 41 SkDEBUGCODE(this->validate();) |
40 } | 42 } |
41 | 43 |
42 SkBitmap::SkBitmap(SkBitmap&& other) : SkBitmap() { this->swap(other); } | 44 SkBitmap::SkBitmap(SkBitmap&& other) : SkBitmap() { this->swap(other); } |
43 | 45 |
44 SkBitmap::~SkBitmap() { | 46 SkBitmap::~SkBitmap() { |
45 SkDEBUGCODE(this->validate();) | 47 SkDEBUGCODE(this->validate();) |
46 this->freePixels(); | 48 this->freePixels(); |
47 } | 49 } |
48 | 50 |
49 SkBitmap& SkBitmap::operator=(const SkBitmap& src) { | 51 SkBitmap& SkBitmap::operator=(const SkBitmap& src) { |
50 if (this != &src) { | 52 if (this != &src) { |
51 this->freePixels(); | 53 this->freePixels(); |
54 this->fInfo = src.fInfo; | |
52 memcpy(this, &src, sizeof(src)); | 55 memcpy(this, &src, sizeof(src)); |
53 | 56 |
54 // inc src reference counts | 57 // inc src reference counts |
55 SkSafeRef(src.fPixelRef); | 58 SkSafeRef(src.fPixelRef); |
56 | 59 |
57 // we reset our locks if we get blown away | 60 // we reset our locks if we get blown away |
58 fPixelLockCount = 0; | 61 fPixelLockCount = 0; |
59 | 62 |
60 if (fPixelRef) { | 63 if (fPixelRef) { |
61 // ignore the values from the memcpy | 64 // ignore the values from the memcpy |
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90 SkTSwap(fPixels, other.fPixels); | 93 SkTSwap(fPixels, other.fPixels); |
91 SkTSwap(fInfo, other.fInfo); | 94 SkTSwap(fInfo, other.fInfo); |
92 SkTSwap(fRowBytes, other.fRowBytes); | 95 SkTSwap(fRowBytes, other.fRowBytes); |
93 SkTSwap(fFlags, other.fFlags); | 96 SkTSwap(fFlags, other.fFlags); |
94 | 97 |
95 SkDEBUGCODE(this->validate();) | 98 SkDEBUGCODE(this->validate();) |
96 } | 99 } |
97 | 100 |
98 void SkBitmap::reset() { | 101 void SkBitmap::reset() { |
99 this->freePixels(); | 102 this->freePixels(); |
103 this->fInfo = SkImageInfo::MakeUnknown(); | |
100 sk_bzero(this, sizeof(*this)); | 104 sk_bzero(this, sizeof(*this)); |
101 } | 105 } |
102 | 106 |
103 void SkBitmap::getBounds(SkRect* bounds) const { | 107 void SkBitmap::getBounds(SkRect* bounds) const { |
104 SkASSERT(bounds); | 108 SkASSERT(bounds); |
105 bounds->set(0, 0, | 109 bounds->set(0, 0, |
106 SkIntToScalar(fInfo.width()), SkIntToScalar(fInfo.height())); | 110 SkIntToScalar(fInfo.width()), SkIntToScalar(fInfo.height())); |
107 } | 111 } |
108 | 112 |
109 void SkBitmap::getBounds(SkIRect* bounds) const { | 113 void SkBitmap::getBounds(SkIRect* bounds) const { |
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1349 /////////////////////////////////////////////////////////////////////////////// | 1353 /////////////////////////////////////////////////////////////////////////////// |
1350 | 1354 |
1351 #ifdef SK_DEBUG | 1355 #ifdef SK_DEBUG |
1352 void SkImageInfo::validate() const { | 1356 void SkImageInfo::validate() const { |
1353 SkASSERT(fWidth >= 0); | 1357 SkASSERT(fWidth >= 0); |
1354 SkASSERT(fHeight >= 0); | 1358 SkASSERT(fHeight >= 0); |
1355 SkASSERT(SkColorTypeIsValid(fColorType)); | 1359 SkASSERT(SkColorTypeIsValid(fColorType)); |
1356 SkASSERT(SkAlphaTypeIsValid(fAlphaType)); | 1360 SkASSERT(SkAlphaTypeIsValid(fAlphaType)); |
1357 } | 1361 } |
1358 #endif | 1362 #endif |
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