diff options
Diffstat (limited to 'xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp')
-rw-r--r-- | xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp b/xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp index 7815c99aee..81bd220389 100644 --- a/xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp +++ b/xfa/src/fxbarcode/qrcode/BC_QRCoderDecoder.cpp @@ -1,130 +1,130 @@ -// 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 2008 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/src/fxbarcode/barcode.h"
-#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h"
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h"
-#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "BC_QRBitMatrixParser.h"
-#include "BC_QRDataBlock.h"
-#include "BC_QRDecodedBitStreamParser.h"
-#include "BC_QRCoderVersion.h"
-#include "BC_QRCoderFormatInformation.h"
-#include "BC_QRCoderDecoder.h"
-CBC_QRCoderDecoder::CBC_QRCoderDecoder() {
- m_rsDecoder = NULL;
-}
-
-void CBC_QRCoderDecoder::Init() {
- m_rsDecoder = new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::QRCodeFild);
-}
-CBC_QRCoderDecoder::~CBC_QRCoderDecoder() {
- if (m_rsDecoder != NULL) {
- delete m_rsDecoder;
- }
- m_rsDecoder = NULL;
-}
-CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(FX_BOOL* image,
- int32_t width,
- int32_t height,
- int32_t& e) {
- CBC_CommonBitMatrix bits;
- bits.Init(width);
- for (int32_t i = 0; i < width; i++) {
- for (int32_t j = 0; j < height; j++) {
- if (image[i * width + j]) {
- bits.Set(j, i);
- }
- }
- }
- CBC_CommonDecoderResult* cdr = Decode(&bits, height, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return cdr;
-}
-CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(CBC_CommonBitMatrix* bits,
- int32_t byteModeDecode,
- int32_t& e) {
- CBC_QRBitMatrixParser parser;
- parser.Init(bits, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_QRCoderVersion* version = parser.ReadVersion(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_QRCoderFormatInformation* temp = parser.ReadFormatInformation(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_QRCoderErrorCorrectionLevel* ecLevel = temp->GetErrorCorrectionLevel();
- CFX_ByteArray* ba = parser.ReadCodewords(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- CBC_AutoPtr<CFX_ByteArray> codewords(ba);
- CFX_PtrArray* dataBlocks =
- CBC_QRDataBlock::GetDataBlocks(codewords.get(), version, ecLevel, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- int32_t totalBytes = 0;
- for (int32_t i = 0; i < dataBlocks->GetSize(); i++) {
- totalBytes += ((CBC_QRDataBlock*)((*dataBlocks)[i]))->GetNumDataCodewords();
- }
- CFX_ByteArray resultBytes;
- for (int32_t j = 0; j < dataBlocks->GetSize(); j++) {
- CBC_QRDataBlock* dataBlock = (CBC_QRDataBlock*)((*dataBlocks)[j]);
- CFX_ByteArray* codewordBytes = dataBlock->GetCodewords();
- int32_t numDataCodewords = dataBlock->GetNumDataCodewords();
- CorrectErrors(codewordBytes, numDataCodewords, e);
- if (e != BCExceptionNO) {
- for (int32_t k = 0; k < dataBlocks->GetSize(); k++) {
- delete (CBC_QRDataBlock*)(*dataBlocks)[k];
- }
- dataBlocks->RemoveAll();
- delete dataBlocks;
- dataBlocks = NULL;
- return NULL;
- }
- for (int32_t i = 0; i < numDataCodewords; i++) {
- resultBytes.Add((*codewordBytes)[i]);
- }
- }
- for (int32_t k = 0; k < dataBlocks->GetSize(); k++) {
- delete (CBC_QRDataBlock*)(*dataBlocks)[k];
- }
- dataBlocks->RemoveAll();
- delete dataBlocks;
- dataBlocks = NULL;
- CBC_CommonDecoderResult* cdr = CBC_QRDecodedBitStreamParser::Decode(
- &resultBytes, version, ecLevel, byteModeDecode, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
- return cdr;
-}
-void CBC_QRCoderDecoder::CorrectErrors(CFX_ByteArray* codewordBytes,
- int32_t numDataCodewords,
- int32_t& e) {
- int32_t numCodewords = codewordBytes->GetSize();
- CFX_Int32Array codewordsInts;
- codewordsInts.SetSize(numCodewords);
- for (int32_t i = 0; i < numCodewords; i++) {
- codewordsInts[i] = (int32_t)((*codewordBytes)[i] & 0xff);
- }
- int32_t numECCodewords = codewordBytes->GetSize() - numDataCodewords;
- m_rsDecoder->Decode(&codewordsInts, numECCodewords, e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- for (int32_t k = 0; k < numDataCodewords; k++) {
- (*codewordBytes)[k] = (uint8_t)codewordsInts[k];
- }
-}
+// 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 2008 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/src/fxbarcode/barcode.h" +#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" +#include "xfa/src/fxbarcode/common/BC_CommonDecoderResult.h" +#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.h" +#include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h" +#include "BC_QRBitMatrixParser.h" +#include "BC_QRDataBlock.h" +#include "BC_QRDecodedBitStreamParser.h" +#include "BC_QRCoderVersion.h" +#include "BC_QRCoderFormatInformation.h" +#include "BC_QRCoderDecoder.h" +CBC_QRCoderDecoder::CBC_QRCoderDecoder() { + m_rsDecoder = NULL; +} + +void CBC_QRCoderDecoder::Init() { + m_rsDecoder = new CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256::QRCodeFild); +} +CBC_QRCoderDecoder::~CBC_QRCoderDecoder() { + if (m_rsDecoder != NULL) { + delete m_rsDecoder; + } + m_rsDecoder = NULL; +} +CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(FX_BOOL* image, + int32_t width, + int32_t height, + int32_t& e) { + CBC_CommonBitMatrix bits; + bits.Init(width); + for (int32_t i = 0; i < width; i++) { + for (int32_t j = 0; j < height; j++) { + if (image[i * width + j]) { + bits.Set(j, i); + } + } + } + CBC_CommonDecoderResult* cdr = Decode(&bits, height, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return cdr; +} +CBC_CommonDecoderResult* CBC_QRCoderDecoder::Decode(CBC_CommonBitMatrix* bits, + int32_t byteModeDecode, + int32_t& e) { + CBC_QRBitMatrixParser parser; + parser.Init(bits, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderVersion* version = parser.ReadVersion(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderFormatInformation* temp = parser.ReadFormatInformation(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_QRCoderErrorCorrectionLevel* ecLevel = temp->GetErrorCorrectionLevel(); + CFX_ByteArray* ba = parser.ReadCodewords(e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + CBC_AutoPtr<CFX_ByteArray> codewords(ba); + CFX_PtrArray* dataBlocks = + CBC_QRDataBlock::GetDataBlocks(codewords.get(), version, ecLevel, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + int32_t totalBytes = 0; + for (int32_t i = 0; i < dataBlocks->GetSize(); i++) { + totalBytes += ((CBC_QRDataBlock*)((*dataBlocks)[i]))->GetNumDataCodewords(); + } + CFX_ByteArray resultBytes; + for (int32_t j = 0; j < dataBlocks->GetSize(); j++) { + CBC_QRDataBlock* dataBlock = (CBC_QRDataBlock*)((*dataBlocks)[j]); + CFX_ByteArray* codewordBytes = dataBlock->GetCodewords(); + int32_t numDataCodewords = dataBlock->GetNumDataCodewords(); + CorrectErrors(codewordBytes, numDataCodewords, e); + if (e != BCExceptionNO) { + for (int32_t k = 0; k < dataBlocks->GetSize(); k++) { + delete (CBC_QRDataBlock*)(*dataBlocks)[k]; + } + dataBlocks->RemoveAll(); + delete dataBlocks; + dataBlocks = NULL; + return NULL; + } + for (int32_t i = 0; i < numDataCodewords; i++) { + resultBytes.Add((*codewordBytes)[i]); + } + } + for (int32_t k = 0; k < dataBlocks->GetSize(); k++) { + delete (CBC_QRDataBlock*)(*dataBlocks)[k]; + } + dataBlocks->RemoveAll(); + delete dataBlocks; + dataBlocks = NULL; + CBC_CommonDecoderResult* cdr = CBC_QRDecodedBitStreamParser::Decode( + &resultBytes, version, ecLevel, byteModeDecode, e); + BC_EXCEPTION_CHECK_ReturnValue(e, NULL); + return cdr; +} +void CBC_QRCoderDecoder::CorrectErrors(CFX_ByteArray* codewordBytes, + int32_t numDataCodewords, + int32_t& e) { + int32_t numCodewords = codewordBytes->GetSize(); + CFX_Int32Array codewordsInts; + codewordsInts.SetSize(numCodewords); + for (int32_t i = 0; i < numCodewords; i++) { + codewordsInts[i] = (int32_t)((*codewordBytes)[i] & 0xff); + } + int32_t numECCodewords = codewordBytes->GetSize() - numDataCodewords; + m_rsDecoder->Decode(&codewordsInts, numECCodewords, e); + BC_EXCEPTION_CHECK_ReturnVoid(e); + for (int32_t k = 0; k < numDataCodewords; k++) { + (*codewordBytes)[k] = (uint8_t)codewordsInts[k]; + } +} |