| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "SkFrontBufferedStream.h" | 8 #include "SkFrontBufferedStream.h" |
| 9 #include "SkStream.h" | 9 #include "SkStream.h" |
| 10 #include "SkTemplates.h" | 10 #include "SkTemplates.h" |
| 11 | 11 |
| 12 class FrontBufferedStream : public SkStreamRewindable { | 12 class FrontBufferedStream : public SkStreamRewindable { |
| 13 public: | 13 public: |
| 14 // Called by Create. | 14 // Called by Create. |
| 15 FrontBufferedStream(SkStream*, size_t bufferSize); | 15 FrontBufferedStream(SkStream*, size_t bufferSize); |
| 16 | 16 |
| 17 size_t read(void* buffer, size_t size) SK_OVERRIDE; | 17 size_t read(void* buffer, size_t size) override; |
| 18 | 18 |
| 19 bool isAtEnd() const SK_OVERRIDE; | 19 bool isAtEnd() const override; |
| 20 | 20 |
| 21 bool rewind() SK_OVERRIDE; | 21 bool rewind() override; |
| 22 | 22 |
| 23 bool hasPosition() const SK_OVERRIDE { return true; } | 23 bool hasPosition() const override { return true; } |
| 24 | 24 |
| 25 size_t getPosition() const SK_OVERRIDE { return fOffset; } | 25 size_t getPosition() const override { return fOffset; } |
| 26 | 26 |
| 27 bool hasLength() const SK_OVERRIDE { return fHasLength; } | 27 bool hasLength() const override { return fHasLength; } |
| 28 | 28 |
| 29 size_t getLength() const SK_OVERRIDE { return fLength; } | 29 size_t getLength() const override { return fLength; } |
| 30 | 30 |
| 31 SkStreamRewindable* duplicate() const SK_OVERRIDE { return NULL; } | 31 SkStreamRewindable* duplicate() const override { return NULL; } |
| 32 | 32 |
| 33 private: | 33 private: |
| 34 SkAutoTDelete<SkStream> fStream; | 34 SkAutoTDelete<SkStream> fStream; |
| 35 const bool fHasLength; | 35 const bool fHasLength; |
| 36 const size_t fLength; | 36 const size_t fLength; |
| 37 // Current offset into the stream. Always >= 0. | 37 // Current offset into the stream. Always >= 0. |
| 38 size_t fOffset; | 38 size_t fOffset; |
| 39 // Amount that has been buffered by calls to read. Will always be less than | 39 // Amount that has been buffered by calls to read. Will always be less than |
| 40 // fBufferSize. | 40 // fBufferSize. |
| 41 size_t fBufferedSoFar; | 41 size_t fBufferedSoFar; |
| (...skipping 147 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 189 } | 189 } |
| 190 | 190 |
| 191 if (size > 0 && !fStream->isAtEnd()) { | 191 if (size > 0 && !fStream->isAtEnd()) { |
| 192 SkDEBUGCODE(const size_t bytesReadDirectly =) this->readDirectlyFromStre
am(dst, size); | 192 SkDEBUGCODE(const size_t bytesReadDirectly =) this->readDirectlyFromStre
am(dst, size); |
| 193 SkDEBUGCODE(size -= bytesReadDirectly;) | 193 SkDEBUGCODE(size -= bytesReadDirectly;) |
| 194 SkASSERT(size + (fOffset - start) == totalSize); | 194 SkASSERT(size + (fOffset - start) == totalSize); |
| 195 } | 195 } |
| 196 | 196 |
| 197 return fOffset - start; | 197 return fOffset - start; |
| 198 } | 198 } |
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