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author | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
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committer | Dan Sinclair <dsinclair@chromium.org> | 2016-03-14 14:14:16 -0400 |
commit | 1770c021cf998ff1b33855b1397f6ea8ff9f7cd7 (patch) | |
tree | 285e39abd4b5872d8cd632b9e331b0667fdc3eae /xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp | |
parent | f766ad219f66543654520f6a1955836f519e26d1 (diff) | |
download | pdfium-1770c021cf998ff1b33855b1397f6ea8ff9f7cd7.tar.xz |
Move xfa/src up to xfa/.
This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1803723002 .
Diffstat (limited to 'xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp')
-rw-r--r-- | xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp b/xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp new file mode 100644 index 0000000000..83fea7d5f2 --- /dev/null +++ b/xfa/fxbarcode/oned/BC_OnedEAN13Reader.cpp @@ -0,0 +1,96 @@ +// 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/fxbarcode/BC_Reader.h" +#include "xfa/fxbarcode/common/BC_CommonBitArray.h" +#include "xfa/fxbarcode/oned/BC_OneDReader.h" +#include "xfa/fxbarcode/oned/BC_OneDimReader.h" +#include "xfa/fxbarcode/oned/BC_OnedEAN13Reader.h" +#include "xfa/fxbarcode/utils.h" + +const int32_t CBC_OnedEAN13Reader::FIRST_DIGIT_ENCODINGS[10] = { + 0x00, 0x0B, 0x0D, 0xE, 0x13, 0x19, 0x1C, 0x15, 0x16, 0x1A}; + +CBC_OnedEAN13Reader::CBC_OnedEAN13Reader() {} +CBC_OnedEAN13Reader::~CBC_OnedEAN13Reader() {} +void CBC_OnedEAN13Reader::DetermineFirstDigit(CFX_ByteString& result, + int32_t lgPatternFound, + int32_t& e) { + for (int32_t d = 0; d < 10; d++) { + if (lgPatternFound == FIRST_DIGIT_ENCODINGS[d]) { + result.Insert(0, (FX_CHAR)('0' + d)); + return; + } + } + e = BCExceptionNotFound; + BC_EXCEPTION_CHECK_ReturnVoid(e); +} +int32_t CBC_OnedEAN13Reader::DecodeMiddle(CBC_CommonBitArray* row, + CFX_Int32Array* startRange, + CFX_ByteString& resultString, + int32_t& e) { + CFX_Int32Array counters; + counters.Add(0); + counters.Add(0); + counters.Add(0); + counters.Add(0); + int32_t end = row->GetSize(); + int32_t rowOffset = (*startRange)[1]; + int32_t lgPatternFound = 0; + for (int32_t x = 0; x < 6 && rowOffset < end; x++) { + int32_t bestMatch = + DecodeDigit(row, &counters, rowOffset, + &(CBC_OneDimReader::L_AND_G_PATTERNS[0][0]), 20, e); + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + resultString += (FX_CHAR)('0' + bestMatch % 10); + for (int32_t i = 0; i < counters.GetSize(); i++) { + rowOffset += counters[i]; + } + if (bestMatch >= 10) { + lgPatternFound |= 1 << (5 - x); + } + } + DetermineFirstDigit(resultString, lgPatternFound, e); + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + CFX_Int32Array result; + result.Add(CBC_OneDimReader::MIDDLE_PATTERN[0]); + result.Add(CBC_OneDimReader::MIDDLE_PATTERN[1]); + result.Add(CBC_OneDimReader::MIDDLE_PATTERN[2]); + result.Add(CBC_OneDimReader::MIDDLE_PATTERN[3]); + result.Add(CBC_OneDimReader::MIDDLE_PATTERN[4]); + CFX_Int32Array* middleRange = + FindGuardPattern(row, rowOffset, TRUE, &result, e); + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + rowOffset = (*middleRange)[1]; + delete middleRange; + for (int32_t Y = 0; Y < 6 && rowOffset < end; Y++) { + int32_t bestMatch = + DecodeDigit(row, &counters, rowOffset, + &(CBC_OneDimReader::L_PATTERNS[0][0]), 10, e); + BC_EXCEPTION_CHECK_ReturnValue(e, 0); + resultString += (FX_CHAR)('0' + bestMatch); + for (int32_t k = 0; k < counters.GetSize(); k++) { + rowOffset += counters[k]; + } + } + return rowOffset; +} |