| commit-bot@chromium.org | ee18f2a | 2014-05-08 14:48:44 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2014 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "SkData.h" |
| 9 | #include "SkDataUtils.h" |
| 10 | #include "SkStream.h" |
| 11 | |
| 12 | /*static*/ SkData* SkDataUtils::ReadIntoSkData(SkStream &stream, size_t maxBytes) { |
| 13 | if (0 == maxBytes) { |
| 14 | return SkData::NewEmpty(); |
| 15 | } |
| 16 | char* bufStart = reinterpret_cast<char *>(sk_malloc_throw(maxBytes)); |
| 17 | char* bufPtr = bufStart; |
| 18 | size_t bytesRemaining = maxBytes; |
| 19 | while (bytesRemaining > 0) { |
| 20 | size_t bytesReadThisTime = stream.read(bufPtr, bytesRemaining); |
| 21 | if (0 == bytesReadThisTime) { |
| 22 | break; |
| 23 | } |
| 24 | bytesRemaining -= bytesReadThisTime; |
| 25 | bufPtr += bytesReadThisTime; |
| 26 | } |
| 27 | return SkData::NewFromMalloc(bufStart, maxBytes - bytesRemaining); |
| 28 | } |