Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 1 | // Copyright 2014 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 | // Original code is licensed as follows: |
| 7 | /* |
| 8 | * Copyright 2008 ZXing authors |
| 9 | * |
| 10 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 11 | * you may not use this file except in compliance with the License. |
| 12 | * You may obtain a copy of the License at |
| 13 | * |
| 14 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 15 | * |
| 16 | * Unless required by applicable law or agreed to in writing, software |
| 17 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 18 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 19 | * See the License for the specific language governing permissions and |
| 20 | * limitations under the License. |
| 21 | */ |
| 22 | |
| 23 | #include "fxbarcode/BC_TwoDimWriter.h" |
| 24 | #include "fxbarcode/common/BC_CommonByteMatrix.h" |
| 25 | #include "fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" |
| 26 | #include "fxbarcode/qrcode/BC_QRCodeWriter.h" |
| 27 | #include "fxbarcode/qrcode/BC_QRCoder.h" |
| 28 | #include "fxbarcode/qrcode/BC_QRCoderEncoder.h" |
| 29 | #include "fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" |
| 30 | #include "fxbarcode/qrcode/BC_QRCoderMode.h" |
| 31 | #include "fxbarcode/qrcode/BC_QRCoderVersion.h" |
| 32 | |
| 33 | CBC_QRCodeWriter::CBC_QRCodeWriter() { |
| 34 | m_bFixedSize = true; |
| 35 | m_iCorrectLevel = 1; |
| 36 | } |
| 37 | |
| 38 | CBC_QRCodeWriter::~CBC_QRCodeWriter() {} |
| 39 | |
| 40 | void CBC_QRCodeWriter::ReleaseAll() { |
| 41 | delete CBC_ReedSolomonGF256::QRCodeField; |
| 42 | CBC_ReedSolomonGF256::QRCodeField = nullptr; |
| 43 | delete CBC_ReedSolomonGF256::DataMatrixField; |
| 44 | CBC_ReedSolomonGF256::DataMatrixField = nullptr; |
| 45 | CBC_QRCoderMode::Destroy(); |
| 46 | CBC_QRCoderErrorCorrectionLevel::Destroy(); |
| 47 | CBC_QRCoderVersion::Destroy(); |
| 48 | } |
| 49 | |
| 50 | bool CBC_QRCodeWriter::SetErrorCorrectionLevel(int32_t level) { |
| 51 | if (level < 0 || level > 3) { |
| 52 | return false; |
| 53 | } |
| 54 | m_iCorrectLevel = level; |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | uint8_t* CBC_QRCodeWriter::Encode(const WideString& contents, |
| 59 | int32_t ecLevel, |
| 60 | int32_t& outWidth, |
| 61 | int32_t& outHeight) { |
| 62 | CBC_QRCoderErrorCorrectionLevel* ec = nullptr; |
| 63 | switch (ecLevel) { |
| 64 | case 0: |
| 65 | ec = CBC_QRCoderErrorCorrectionLevel::L; |
| 66 | break; |
| 67 | case 1: |
| 68 | ec = CBC_QRCoderErrorCorrectionLevel::M; |
| 69 | break; |
| 70 | case 2: |
| 71 | ec = CBC_QRCoderErrorCorrectionLevel::Q; |
| 72 | break; |
| 73 | case 3: |
| 74 | ec = CBC_QRCoderErrorCorrectionLevel::H; |
| 75 | break; |
| 76 | default: |
| 77 | return nullptr; |
| 78 | } |
| 79 | CBC_QRCoder qr; |
| 80 | if (!CBC_QRCoderEncoder::Encode(contents, ec, &qr)) |
| 81 | return nullptr; |
| 82 | |
| 83 | outWidth = qr.GetMatrixWidth(); |
| 84 | outHeight = qr.GetMatrixWidth(); |
| 85 | uint8_t* result = FX_Alloc2D(uint8_t, outWidth, outHeight); |
| 86 | memcpy(result, qr.GetMatrix()->GetArray(), outWidth * outHeight); |
| 87 | return result; |
| 88 | } |