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 2007 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 "xfa/src/fxbarcode/barcode.h" 24 #include "xfa/src/fxbarcode/BC_Reader.h" 25 #include "xfa/src/fxbarcode/BC_LuminanceSource.h" 26 #include "xfa/src/fxbarcode/BC_BufferedImageLuminanceSource.h" 27 #include "xfa/src/fxbarcode/BC_Binarizer.h" 28 #include "xfa/src/fxbarcode/BC_BinaryBitmap.h" 29 #include "xfa/src/fxbarcode/BC_ResultPoint.h" 30 #include "xfa/src/fxbarcode/common/BC_GlobalHistogramBinarizer.h" 31 #include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h" 32 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" 33 #include "BC_QRCodeReader.h" 34 #include "BC_QRCodeReader.h" 35 #include "BC_QRCoderMode.h" 36 #include "BC_QRCoderDecoder.h" 37 #include "BC_QRDetector.h" 38 #include "BC_QRDetectorResult.h" 39 #include "BC_QRCoderErrorCorrectionLevel.h" 40 #include "BC_QRDataMask.h" 41 #include "BC_QRCodeReader.h" 42 #include "BC_QRCoderVersion.h" 43 CBC_QRCodeReader::CBC_QRCodeReader() : m_decoder(NULL) {} 44 void CBC_QRCodeReader::Init() { 45 m_decoder = new CBC_QRCoderDecoder; 46 m_decoder->Init(); 47 } 48 CBC_QRCodeReader::~CBC_QRCodeReader() { 49 if (m_decoder != NULL) { 50 delete m_decoder; 51 } 52 m_decoder = NULL; 53 } 54 CFX_ByteString CBC_QRCodeReader::Decode(CBC_BinaryBitmap* image, 55 int32_t hints, 56 int32_t& e) { 57 CBC_CommonBitMatrix* matrix = image->GetMatrix(e); 58 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 59 CBC_QRDetector detector(matrix); 60 CBC_QRDetectorResult* qdr = detector.Detect(hints, e); 61 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 62 CBC_AutoPtr<CBC_QRDetectorResult> detectorResult(qdr); 63 CBC_CommonDecoderResult* qdr2 = 64 m_decoder->Decode(detectorResult->GetBits(), 0, e); 65 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 66 CBC_AutoPtr<CBC_CommonDecoderResult> decodeResult(qdr2); 67 return (decodeResult->GetText()); 68 } 69 CFX_ByteString CBC_QRCodeReader::Decode(const CFX_WideString& filename, 70 int32_t hints, 71 int32_t byteModeDecode, 72 int32_t& e) { 73 CBC_BufferedImageLuminanceSource source(filename); 74 source.Init(e); 75 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 76 CBC_GlobalHistogramBinarizer binarizer(&source); 77 CBC_BinaryBitmap bitmap(&binarizer); 78 CFX_ByteString bs = Decode(&bitmap, hints, e); 79 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 80 return bs; 81 } 82 CFX_ByteString CBC_QRCodeReader::Decode(CFX_DIBitmap* pBitmap, 83 int32_t hints, 84 int32_t byteModeDecode, 85 int32_t& e) { 86 CBC_BufferedImageLuminanceSource source(pBitmap); 87 CBC_GlobalHistogramBinarizer binarizer(&source); 88 CBC_BinaryBitmap bitmap(&binarizer); 89 CFX_ByteString bs = Decode(&bitmap, hints, e); 90 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 91 return bs; 92 } 93 CFX_ByteString CBC_QRCodeReader::Decode(CBC_BinaryBitmap* image, int32_t& e) { 94 CFX_ByteString bs = Decode(image, 0, e); 95 BC_EXCEPTION_CHECK_ReturnValue(e, ""); 96 return bs; 97 } 98 void CBC_QRCodeReader::ReleaseAll() { 99 if (CBC_ReedSolomonGF256::QRCodeFild) { 100 delete CBC_ReedSolomonGF256::QRCodeFild; 101 CBC_ReedSolomonGF256::QRCodeFild = NULL; 102 } 103 if (CBC_ReedSolomonGF256::DataMatrixField) { 104 delete CBC_ReedSolomonGF256::DataMatrixField; 105 CBC_ReedSolomonGF256::DataMatrixField = NULL; 106 } 107 CBC_QRCoderMode::Destroy(); 108 CBC_QRCoderErrorCorrectionLevel::Destroy(); 109 CBC_QRDataMask::Destroy(); 110 CBC_QRCoderVersion::Destroy(); 111 } 112
