| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| // Original code is licensed as follows: |
| /* |
| * Copyright 2007 ZXing authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "xfa/fxbarcode/qrcode/BC_QRCodeReader.h" |
| |
| #include <memory> |
| |
| #include "xfa/fxbarcode/BC_Binarizer.h" |
| #include "xfa/fxbarcode/BC_BinaryBitmap.h" |
| #include "xfa/fxbarcode/BC_BufferedImageLuminanceSource.h" |
| #include "xfa/fxbarcode/BC_LuminanceSource.h" |
| #include "xfa/fxbarcode/BC_Reader.h" |
| #include "xfa/fxbarcode/BC_ResultPoint.h" |
| #include "xfa/fxbarcode/common/BC_CommonDecoderResult.h" |
| #include "xfa/fxbarcode/common/BC_GlobalHistogramBinarizer.h" |
| #include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderDecoder.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderMode.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRDataMask.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRDetector.h" |
| #include "xfa/fxbarcode/qrcode/BC_QRDetectorResult.h" |
| |
| CBC_QRCodeReader::CBC_QRCodeReader() : m_decoder(NULL) {} |
| void CBC_QRCodeReader::Init() { |
| m_decoder = new CBC_QRCoderDecoder; |
| m_decoder->Init(); |
| } |
| CBC_QRCodeReader::~CBC_QRCodeReader() { |
| delete m_decoder; |
| } |
| CFX_ByteString CBC_QRCodeReader::Decode(CBC_BinaryBitmap* image, |
| int32_t hints, |
| int32_t& e) { |
| CBC_CommonBitMatrix* matrix = image->GetMatrix(e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| CBC_QRDetector detector(matrix); |
| std::unique_ptr<CBC_QRDetectorResult> detectorResult( |
| detector.Detect(hints, e)); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| std::unique_ptr<CBC_CommonDecoderResult> decodeResult( |
| m_decoder->Decode(detectorResult->GetBits(), 0, e)); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| return (decodeResult->GetText()); |
| } |
| CFX_ByteString CBC_QRCodeReader::Decode(const CFX_WideString& filename, |
| int32_t hints, |
| int32_t byteModeDecode, |
| int32_t& e) { |
| CBC_BufferedImageLuminanceSource source(filename); |
| source.Init(e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| CBC_GlobalHistogramBinarizer binarizer(&source); |
| CBC_BinaryBitmap bitmap(&binarizer); |
| CFX_ByteString bs = Decode(&bitmap, hints, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| return bs; |
| } |
| CFX_ByteString CBC_QRCodeReader::Decode(CFX_DIBitmap* pBitmap, |
| int32_t hints, |
| int32_t byteModeDecode, |
| int32_t& e) { |
| CBC_BufferedImageLuminanceSource source(pBitmap); |
| CBC_GlobalHistogramBinarizer binarizer(&source); |
| CBC_BinaryBitmap bitmap(&binarizer); |
| CFX_ByteString bs = Decode(&bitmap, hints, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| return bs; |
| } |
| CFX_ByteString CBC_QRCodeReader::Decode(CBC_BinaryBitmap* image, int32_t& e) { |
| CFX_ByteString bs = Decode(image, 0, e); |
| BC_EXCEPTION_CHECK_ReturnValue(e, ""); |
| return bs; |
| } |
| void CBC_QRCodeReader::ReleaseAll() { |
| if (CBC_ReedSolomonGF256::QRCodeFild) { |
| delete CBC_ReedSolomonGF256::QRCodeFild; |
| CBC_ReedSolomonGF256::QRCodeFild = NULL; |
| } |
| if (CBC_ReedSolomonGF256::DataMatrixField) { |
| delete CBC_ReedSolomonGF256::DataMatrixField; |
| CBC_ReedSolomonGF256::DataMatrixField = NULL; |
| } |
| CBC_QRCoderMode::Destroy(); |
| CBC_QRCoderErrorCorrectionLevel::Destroy(); |
| CBC_QRDataMask::Destroy(); |
| CBC_QRCoderVersion::Destroy(); |
| } |