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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
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 "SamplePipeControllers.h" | 8 #include "SamplePipeControllers.h" |
9 | 9 |
10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
11 #include "SkGPipe.h" | 11 #include "SkGPipe.h" |
12 #include "SkMatrix.h" | 12 #include "SkMatrix.h" |
13 | 13 |
14 PipeController::PipeController(SkCanvas* target, SkPicture::InstallPixelRefProc
proc) | 14 PipeController::PipeController(SkCanvas* target, SkPicture::InstallPixelRefProc
proc) |
15 :fReader(target) { | 15 :fReader(target) { |
16 fBlock = NULL; | 16 fBlock = nullptr; |
17 fBlockSize = fBytesWritten = 0; | 17 fBlockSize = fBytesWritten = 0; |
18 fReader.setBitmapDecoder(proc); | 18 fReader.setBitmapDecoder(proc); |
19 } | 19 } |
20 | 20 |
21 PipeController::~PipeController() { | 21 PipeController::~PipeController() { |
22 sk_free(fBlock); | 22 sk_free(fBlock); |
23 } | 23 } |
24 | 24 |
25 void* PipeController::requestBlock(size_t minRequest, size_t *actual) { | 25 void* PipeController::requestBlock(size_t minRequest, size_t *actual) { |
26 sk_free(fBlock); | 26 sk_free(fBlock); |
27 fBlockSize = minRequest; | 27 fBlockSize = minRequest; |
28 fBlock = sk_malloc_throw(fBlockSize); | 28 fBlock = sk_malloc_throw(fBlockSize); |
29 fBytesWritten = 0; | 29 fBytesWritten = 0; |
30 *actual = fBlockSize; | 30 *actual = fBlockSize; |
31 return fBlock; | 31 return fBlock; |
32 } | 32 } |
33 | 33 |
34 void PipeController::notifyWritten(size_t bytes) { | 34 void PipeController::notifyWritten(size_t bytes) { |
35 fStatus = fReader.playback(this->getData(), bytes); | 35 fStatus = fReader.playback(this->getData(), bytes); |
36 SkASSERT(SkGPipeReader::kError_Status != fStatus); | 36 SkASSERT(SkGPipeReader::kError_Status != fStatus); |
37 fBytesWritten += bytes; | 37 fBytesWritten += bytes; |
38 } | 38 } |
39 | 39 |
40 //////////////////////////////////////////////////////////////////////////////// | 40 //////////////////////////////////////////////////////////////////////////////// |
41 | 41 |
42 TiledPipeController::TiledPipeController(const SkBitmap& bitmap, | 42 TiledPipeController::TiledPipeController(const SkBitmap& bitmap, |
43 SkPicture::InstallPixelRefProc proc, | 43 SkPicture::InstallPixelRefProc proc, |
44 const SkMatrix* initial) | 44 const SkMatrix* initial) |
45 : INHERITED(NULL, proc) { | 45 : INHERITED(nullptr, proc) { |
46 int32_t top = 0; | 46 int32_t top = 0; |
47 int32_t bottom; | 47 int32_t bottom; |
48 int32_t height = bitmap.height() / NumberOfTiles; | 48 int32_t height = bitmap.height() / NumberOfTiles; |
49 SkIRect rect; | 49 SkIRect rect; |
50 for (int i = 0; i < NumberOfTiles; i++) { | 50 for (int i = 0; i < NumberOfTiles; i++) { |
51 bottom = i + 1 == NumberOfTiles ? bitmap.height() : top + height; | 51 bottom = i + 1 == NumberOfTiles ? bitmap.height() : top + height; |
52 rect.setLTRB(0, top, bitmap.width(), bottom); | 52 rect.setLTRB(0, top, bitmap.width(), bottom); |
53 top = bottom; | 53 top = bottom; |
54 | 54 |
55 SkDEBUGCODE(bool extracted = )bitmap.extractSubset(&fBitmaps[i], rect); | 55 SkDEBUGCODE(bool extracted = )bitmap.extractSubset(&fBitmaps[i], rect); |
56 SkASSERT(extracted); | 56 SkASSERT(extracted); |
57 SkCanvas* canvas = new SkCanvas(fBitmaps[i]); | 57 SkCanvas* canvas = new SkCanvas(fBitmaps[i]); |
58 if (initial != NULL) { | 58 if (initial != nullptr) { |
59 canvas->setMatrix(*initial); | 59 canvas->setMatrix(*initial); |
60 } | 60 } |
61 canvas->translate(SkIntToScalar(-rect.left()), | 61 canvas->translate(SkIntToScalar(-rect.left()), |
62 SkIntToScalar(-rect.top())); | 62 SkIntToScalar(-rect.top())); |
63 if (0 == i) { | 63 if (0 == i) { |
64 fReader.setCanvas(canvas); | 64 fReader.setCanvas(canvas); |
65 } else { | 65 } else { |
66 fReaders[i - 1].setCanvas(canvas); | 66 fReaders[i - 1].setCanvas(canvas); |
67 fReaders[i - 1].setBitmapDecoder(proc); | 67 fReaders[i - 1].setBitmapDecoder(proc); |
68 } | 68 } |
69 canvas->unref(); | 69 canvas->unref(); |
70 } | 70 } |
71 } | 71 } |
72 | 72 |
73 void TiledPipeController::notifyWritten(size_t bytes) { | 73 void TiledPipeController::notifyWritten(size_t bytes) { |
74 for (int i = 0; i < NumberOfTiles - 1; i++) { | 74 for (int i = 0; i < NumberOfTiles - 1; i++) { |
75 fReaders[i].playback(this->getData(), bytes); | 75 fReaders[i].playback(this->getData(), bytes); |
76 } | 76 } |
77 this->INHERITED::notifyWritten(bytes); | 77 this->INHERITED::notifyWritten(bytes); |
78 } | 78 } |
79 | 79 |
80 //////////////////////////////////////////////////////////////////////////////// | 80 //////////////////////////////////////////////////////////////////////////////// |
81 | 81 |
82 ThreadSafePipeController::ThreadSafePipeController(int numberOfReaders) | 82 ThreadSafePipeController::ThreadSafePipeController(int numberOfReaders) |
83 : fAllocator(kMinBlockSize) | 83 : fAllocator(kMinBlockSize) |
84 , fNumberOfReaders(numberOfReaders) { | 84 , fNumberOfReaders(numberOfReaders) { |
85 fBlock = NULL; | 85 fBlock = nullptr; |
86 fBytesWritten = 0; | 86 fBytesWritten = 0; |
87 } | 87 } |
88 | 88 |
89 void* ThreadSafePipeController::requestBlock(size_t minRequest, size_t *actual)
{ | 89 void* ThreadSafePipeController::requestBlock(size_t minRequest, size_t *actual)
{ |
90 if (fBlock) { | 90 if (fBlock) { |
91 // Save the previous block for later | 91 // Save the previous block for later |
92 PipeBlock previousBloc(fBlock, fBytesWritten); | 92 PipeBlock previousBloc(fBlock, fBytesWritten); |
93 fBlockList.push(previousBloc); | 93 fBlockList.push(previousBloc); |
94 } | 94 } |
95 int32_t blockSize = SkMax32(SkToS32(minRequest), kMinBlockSize); | 95 int32_t blockSize = SkMax32(SkToS32(minRequest), kMinBlockSize); |
(...skipping 10 matching lines...) Expand all Loading... |
106 void ThreadSafePipeController::draw(SkCanvas* target) { | 106 void ThreadSafePipeController::draw(SkCanvas* target) { |
107 SkGPipeReader reader(target); | 107 SkGPipeReader reader(target); |
108 for (int currentBlock = 0; currentBlock < fBlockList.count(); currentBlock++
) { | 108 for (int currentBlock = 0; currentBlock < fBlockList.count(); currentBlock++
) { |
109 reader.playback(fBlockList[currentBlock].fBlock, fBlockList[currentBlock
].fBytes); | 109 reader.playback(fBlockList[currentBlock].fBlock, fBlockList[currentBlock
].fBytes); |
110 } | 110 } |
111 | 111 |
112 if (fBlock) { | 112 if (fBlock) { |
113 reader.playback(fBlock, fBytesWritten); | 113 reader.playback(fBlock, fBytesWritten); |
114 } | 114 } |
115 } | 115 } |
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