OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "pdf/pdfium/pdfium_mem_buffer_file_read.h" | 5 #include "pdf/pdfium/pdfium_mem_buffer_file_read.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <string.h> | 8 #include <string.h> |
9 | 9 |
10 namespace chrome_pdf { | 10 namespace chrome_pdf { |
11 | 11 |
12 PDFiumMemBufferFileRead::PDFiumMemBufferFileRead(const void* data, | 12 PDFiumMemBufferFileRead::PDFiumMemBufferFileRead(const void* data, |
13 size_t size) { | 13 size_t size) { |
14 m_FileLen = size; | 14 m_FileLen = size; |
15 m_Param = this; | 15 m_Param = this; |
16 m_GetBlock = &GetBlock; | 16 m_GetBlock = &GetBlock; |
17 data_ = reinterpret_cast<const unsigned char*>(data); | 17 data_ = reinterpret_cast<const unsigned char*>(data); |
18 } | 18 } |
19 | 19 |
20 PDFiumMemBufferFileRead::~PDFiumMemBufferFileRead() { | 20 PDFiumMemBufferFileRead::~PDFiumMemBufferFileRead() {} |
21 } | |
22 | 21 |
23 int PDFiumMemBufferFileRead::GetBlock(void* param, | 22 int PDFiumMemBufferFileRead::GetBlock(void* param, |
24 unsigned long position, | 23 unsigned long position, |
25 unsigned char* buf, | 24 unsigned char* buf, |
26 unsigned long size) { | 25 unsigned long size) { |
27 const PDFiumMemBufferFileRead* data = | 26 const PDFiumMemBufferFileRead* data = |
28 reinterpret_cast<const PDFiumMemBufferFileRead*>(param); | 27 reinterpret_cast<const PDFiumMemBufferFileRead*>(param); |
29 if (!data || position + size > data->m_FileLen) | 28 if (!data || position + size > data->m_FileLen) |
30 return 0; | 29 return 0; |
31 memcpy(buf, data->data_ + position, size); | 30 memcpy(buf, data->data_ + position, size); |
32 return 1; | 31 return 1; |
33 } | 32 } |
34 | 33 |
35 } // namespace chrome_pdf | 34 } // namespace chrome_pdf |
OLD | NEW |