| scroggo | 19b9153 | 2016-10-24 09:03:26 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2016 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 "SkStreamBuffer.h" |
| 9 | |
| 10 | SkStreamBuffer::SkStreamBuffer(SkStream* stream) |
| 11 | : fStream(stream) |
| 12 | , fBytesBuffered(0) |
| 13 | {} |
| 14 | |
| 15 | size_t SkStreamBuffer::buffer(size_t bytesToBuffer) { |
| 16 | // FIXME (scroggo): What should we do if the client tries to read too much? |
| 17 | // Should not be a problem in GIF. |
| 18 | SkASSERT(fBytesBuffered + bytesToBuffer <= kMaxSize); |
| 19 | |
| 20 | const size_t bytesBuffered = fStream->read(fBuffer + fBytesBuffered, bytesToBuffer); |
| 21 | fBytesBuffered += bytesBuffered; |
| 22 | return bytesBuffered; |
| 23 | } |