Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 1 | // Copyright 2016 PDFium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | /* |
| 7 | * Copyright 2011 ZXing authors |
| 8 | * |
| 9 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 10 | * you may not use this file except in compliance with the License. |
| 11 | * You may obtain a copy of the License at |
| 12 | * |
| 13 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 14 | * |
| 15 | * Unless required by applicable law or agreed to in writing, software |
| 16 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 17 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 18 | * See the License for the specific language governing permissions and |
| 19 | * limitations under the License. |
| 20 | */ |
| 21 | |
Dan Sinclair | e778668 | 2017-03-29 15:18:41 -0400 | [diff] [blame] | 22 | #include "fxbarcode/cbc_ean8.h" |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 23 | |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 24 | #include <memory> |
| 25 | |
Dan Sinclair | e778668 | 2017-03-29 15:18:41 -0400 | [diff] [blame] | 26 | #include "fxbarcode/oned/BC_OnedEAN8Writer.h" |
Tom Sepez | ea23e0a | 2017-05-01 14:24:19 -0700 | [diff] [blame] | 27 | #include "third_party/base/ptr_util.h" |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 28 | |
Tom Sepez | ea23e0a | 2017-05-01 14:24:19 -0700 | [diff] [blame] | 29 | CBC_EAN8::CBC_EAN8() : CBC_OneCode(pdfium::MakeUnique<CBC_OnedEAN8Writer>()) {} |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 30 | |
tsepez | 52d7856 | 2016-06-06 12:57:44 -0700 | [diff] [blame] | 31 | CBC_EAN8::~CBC_EAN8() {} |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 32 | |
Ryan Harrison | 275e260 | 2017-09-18 14:23:18 -0400 | [diff] [blame] | 33 | WideString CBC_EAN8::Preprocess(const WideStringView& contents) { |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 34 | auto* pWriter = GetOnedEAN8Writer(); |
Ryan Harrison | 275e260 | 2017-09-18 14:23:18 -0400 | [diff] [blame] | 35 | WideString encodeContents = pWriter->FilterContents(contents); |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 36 | int32_t length = encodeContents.GetLength(); |
| 37 | if (length <= 7) { |
| 38 | for (int32_t i = 0; i < 7 - length; i++) |
Dan Sinclair | 812e96c | 2017-03-13 16:43:37 -0400 | [diff] [blame] | 39 | encodeContents = wchar_t('0') + encodeContents; |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 40 | |
Ryan Harrison | 275e260 | 2017-09-18 14:23:18 -0400 | [diff] [blame] | 41 | ByteString byteString = encodeContents.UTF8Encode(); |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 42 | int32_t checksum = pWriter->CalcChecksum(byteString); |
Dan Sinclair | 812e96c | 2017-03-13 16:43:37 -0400 | [diff] [blame] | 43 | encodeContents += wchar_t(checksum - 0 + '0'); |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 44 | } |
| 45 | if (length > 8) |
Ryan Harrison | e7a99de | 2017-07-28 14:07:04 -0400 | [diff] [blame] | 46 | encodeContents = encodeContents.Left(8); |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 47 | |
| 48 | return encodeContents; |
| 49 | } |
| 50 | |
Ryan Harrison | 275e260 | 2017-09-18 14:23:18 -0400 | [diff] [blame] | 51 | bool CBC_EAN8::Encode(const WideStringView& contents) { |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 52 | if (contents.IsEmpty()) |
tsepez | d19e912 | 2016-11-02 15:43:18 -0700 | [diff] [blame] | 53 | return false; |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 54 | |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 55 | BCFORMAT format = BCFORMAT_EAN_8; |
| 56 | int32_t outWidth = 0; |
| 57 | int32_t outHeight = 0; |
Tom Sepez | e005dc3 | 2018-06-19 17:33:32 +0000 | [diff] [blame^] | 58 | m_renderContents = Preprocess(contents); |
| 59 | ByteString byteString = m_renderContents.UTF8Encode(); |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 60 | auto* pWriter = GetOnedEAN8Writer(); |
| 61 | std::unique_ptr<uint8_t, FxFreeDeleter> data( |
| 62 | pWriter->Encode(byteString, format, outWidth, outHeight)); |
Tom Sepez | e005dc3 | 2018-06-19 17:33:32 +0000 | [diff] [blame^] | 63 | return data && pWriter->RenderResult(m_renderContents.AsStringView(), |
| 64 | data.get(), outWidth); |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 65 | } |
| 66 | |
tsepez | d19e912 | 2016-11-02 15:43:18 -0700 | [diff] [blame] | 67 | bool CBC_EAN8::RenderDevice(CFX_RenderDevice* device, |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 68 | const CFX_Matrix* matrix) { |
Ryan Harrison | 275e260 | 2017-09-18 14:23:18 -0400 | [diff] [blame] | 69 | return GetOnedEAN8Writer()->RenderDeviceResult( |
| 70 | device, matrix, m_renderContents.AsStringView()); |
Dan Sinclair | a98600a | 2016-03-21 15:15:56 -0400 | [diff] [blame] | 71 | } |
| 72 | |
weili | 29b8ad0 | 2016-06-14 18:20:04 -0700 | [diff] [blame] | 73 | BC_TYPE CBC_EAN8::GetType() { |
| 74 | return BC_EAN8; |
| 75 | } |
Lei Zhang | 1badb85 | 2017-04-20 15:58:56 -0700 | [diff] [blame] | 76 | |
| 77 | CBC_OnedEAN8Writer* CBC_EAN8::GetOnedEAN8Writer() { |
| 78 | return static_cast<CBC_OnedEAN8Writer*>(m_pBCWriter.get()); |
| 79 | } |