The Tor Browser / file comparison
comparison: gfx/2d/SourceSurfaceRawData.cpp
gfx/2d/SourceSurfaceRawData.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
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replaced
| -1:000000000000 | 0:660dc7d4cc01 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "SourceSurfaceRawData.h" | |
| 7 | |
| 8 #include "DataSurfaceHelpers.h" | |
| 9 #include "Logging.h" | |
| 10 #include "mozilla/Types.h" // for decltype | |
| 11 | |
| 12 namespace mozilla { | |
| 13 namespace gfx { | |
| 14 | |
| 15 bool | |
| 16 SourceSurfaceRawData::InitWrappingData(uint8_t *aData, | |
| 17 const IntSize &aSize, | |
| 18 int32_t aStride, | |
| 19 SurfaceFormat aFormat, | |
| 20 bool aOwnData) | |
| 21 { | |
| 22 mRawData = aData; | |
| 23 mSize = aSize; | |
| 24 mStride = aStride; | |
| 25 mFormat = aFormat; | |
| 26 mOwnData = aOwnData; | |
| 27 | |
| 28 return true; | |
| 29 } | |
| 30 | |
| 31 bool | |
| 32 SourceSurfaceAlignedRawData::Init(const IntSize &aSize, | |
| 33 SurfaceFormat aFormat) | |
| 34 { | |
| 35 mFormat = aFormat; | |
| 36 mStride = GetAlignedStride<16>(aSize.width * BytesPerPixel(aFormat)); | |
| 37 | |
| 38 size_t bufLen = BufferSizeFromStrideAndHeight(mStride, aSize.height); | |
| 39 if (bufLen > 0) { | |
| 40 static_assert(sizeof(decltype(mArray[0])) == 1, | |
| 41 "mArray.Realloc() takes an object count, so its objects must be 1-byte sized if we use bufLen"); | |
| 42 mArray.Realloc(/* actually an object count */ bufLen); | |
| 43 mSize = aSize; | |
| 44 } else { | |
| 45 mArray.Dealloc(); | |
| 46 mSize.SizeTo(0, 0); | |
| 47 } | |
| 48 | |
| 49 return mArray != nullptr; | |
| 50 } | |
| 51 | |
| 52 bool | |
| 53 SourceSurfaceAlignedRawData::InitWithStride(const IntSize &aSize, | |
| 54 SurfaceFormat aFormat, | |
| 55 int32_t aStride) | |
| 56 { | |
| 57 mFormat = aFormat; | |
| 58 mStride = aStride; | |
| 59 | |
| 60 size_t bufLen = BufferSizeFromStrideAndHeight(mStride, aSize.height); | |
| 61 if (bufLen > 0) { | |
| 62 static_assert(sizeof(decltype(mArray[0])) == 1, | |
| 63 "mArray.Realloc() takes an object count, so its objects must be 1-byte sized if we use bufLen"); | |
| 64 mArray.Realloc(/* actually an object count */ bufLen); | |
| 65 mSize = aSize; | |
| 66 } else { | |
| 67 mArray.Dealloc(); | |
| 68 mSize.SizeTo(0, 0); | |
| 69 } | |
| 70 | |
| 71 return mArray != nullptr; | |
| 72 } | |
| 73 | |
| 74 } | |
| 75 } |
