| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "pdf/pdfium/pdfium_mem_buffer_file_read.h" |
| |
| #include <stddef.h> |
| #include <string.h> |
| |
| namespace chrome_pdf { |
| |
| PDFiumMemBufferFileRead::PDFiumMemBufferFileRead(const void* data, |
| size_t size) { |
| m_FileLen = size; |
| m_Param = this; |
| m_GetBlock = &GetBlock; |
| data_ = reinterpret_cast<const unsigned char*>(data); |
| } |
| |
| PDFiumMemBufferFileRead::~PDFiumMemBufferFileRead() {} |
| |
| int PDFiumMemBufferFileRead::GetBlock(void* param, |
| unsigned long position, |
| unsigned char* buf, |
| unsigned long size) { |
| const PDFiumMemBufferFileRead* data = |
| reinterpret_cast<const PDFiumMemBufferFileRead*>(param); |
| if (!data || position + size > data->m_FileLen) |
| return 0; |
| memcpy(buf, data->data_ + position, size); |
| return 1; |
| } |
| |
| } // namespace chrome_pdf |