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comparison: gfx/2d/SourceSurfaceSkia.cpp
gfx/2d/SourceSurfaceSkia.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:72972136280e |
|---|---|
| 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 | |
| 7 #include "Logging.h" | |
| 8 #include "SourceSurfaceSkia.h" | |
| 9 #include "skia/SkBitmap.h" | |
| 10 #include "skia/SkDevice.h" | |
| 11 #include "HelpersSkia.h" | |
| 12 #include "DrawTargetSkia.h" | |
| 13 #include "DataSurfaceHelpers.h" | |
| 14 | |
| 15 namespace mozilla { | |
| 16 namespace gfx { | |
| 17 | |
| 18 SourceSurfaceSkia::SourceSurfaceSkia() | |
| 19 : mDrawTarget(nullptr), mLocked(false) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 SourceSurfaceSkia::~SourceSurfaceSkia() | |
| 24 { | |
| 25 MaybeUnlock(); | |
| 26 if (mDrawTarget) { | |
| 27 mDrawTarget->SnapshotDestroyed(); | |
| 28 mDrawTarget = nullptr; | |
| 29 } | |
| 30 } | |
| 31 | |
| 32 IntSize | |
| 33 SourceSurfaceSkia::GetSize() const | |
| 34 { | |
| 35 return mSize; | |
| 36 } | |
| 37 | |
| 38 SurfaceFormat | |
| 39 SourceSurfaceSkia::GetFormat() const | |
| 40 { | |
| 41 return mFormat; | |
| 42 } | |
| 43 | |
| 44 bool | |
| 45 SourceSurfaceSkia::InitFromCanvas(SkCanvas* aCanvas, | |
| 46 SurfaceFormat aFormat, | |
| 47 DrawTargetSkia* aOwner) | |
| 48 { | |
| 49 SkISize size = aCanvas->getDeviceSize(); | |
| 50 | |
| 51 mBitmap = (SkBitmap)aCanvas->getDevice()->accessBitmap(false); | |
| 52 mFormat = aFormat; | |
| 53 | |
| 54 mSize = IntSize(size.fWidth, size.fHeight); | |
| 55 mStride = mBitmap.rowBytes(); | |
| 56 mDrawTarget = aOwner; | |
| 57 | |
| 58 return true; | |
| 59 } | |
| 60 | |
| 61 bool | |
| 62 SourceSurfaceSkia::InitFromData(unsigned char* aData, | |
| 63 const IntSize &aSize, | |
| 64 int32_t aStride, | |
| 65 SurfaceFormat aFormat) | |
| 66 { | |
| 67 SkBitmap temp; | |
| 68 temp.setConfig(GfxFormatToSkiaConfig(aFormat), aSize.width, aSize.height, aStride); | |
| 69 temp.setPixels(aData); | |
| 70 | |
| 71 if (!temp.copyTo(&mBitmap, GfxFormatToSkiaColorType(aFormat))) { | |
| 72 return false; | |
| 73 } | |
| 74 | |
| 75 if (aFormat == SurfaceFormat::B8G8R8X8) { | |
| 76 mBitmap.setAlphaType(kIgnore_SkAlphaType); | |
| 77 } | |
| 78 | |
| 79 mSize = aSize; | |
| 80 mFormat = aFormat; | |
| 81 mStride = mBitmap.rowBytes(); | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 unsigned char* | |
| 86 SourceSurfaceSkia::GetData() | |
| 87 { | |
| 88 if (!mLocked) { | |
| 89 mBitmap.lockPixels(); | |
| 90 mLocked = true; | |
| 91 } | |
| 92 | |
| 93 unsigned char *pixels = (unsigned char *)mBitmap.getPixels(); | |
| 94 return pixels; | |
| 95 } | |
| 96 | |
| 97 void | |
| 98 SourceSurfaceSkia::DrawTargetWillChange() | |
| 99 { | |
| 100 if (mDrawTarget) { | |
| 101 MaybeUnlock(); | |
| 102 | |
| 103 mDrawTarget = nullptr; | |
| 104 SkBitmap temp = mBitmap; | |
| 105 mBitmap.reset(); | |
| 106 temp.copyTo(&mBitmap, temp.colorType()); | |
| 107 } | |
| 108 } | |
| 109 | |
| 110 void | |
| 111 SourceSurfaceSkia::MaybeUnlock() | |
| 112 { | |
| 113 if (mLocked) { | |
| 114 mBitmap.unlockPixels(); | |
| 115 mLocked = false; | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 } | |
| 120 } |
