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author | dsinclair <dsinclair@chromium.org> | 2016-06-16 12:29:07 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-06-16 12:29:07 -0700 |
commit | a26153440b46b3b37b7e81435debb296f22769f4 (patch) | |
tree | 37b3073d15af7ae2850b5a02be87123feb54a054 /xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp | |
parent | 8320ee28f24615d1d619a5db1b7c235ea6f91dde (diff) | |
download | pdfium-a26153440b46b3b37b7e81435debb296f22769f4.tar.xz |
Remove barcode reading code.
We never read barcodes, we only write them. Remove code related to barcode
reading.
Review-Url: https://codereview.chromium.org/2071633002
Diffstat (limited to 'xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp')
-rw-r--r-- | xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp b/xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp deleted file mode 100644 index 03879dbabb..0000000000 --- a/xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp +++ /dev/null @@ -1,120 +0,0 @@ -// 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 2012 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/pdf417/BC_PDF417Common.h" -#include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.h" -#include "xfa/fxbarcode/pdf417/BC_PDF417ECModulusPoly.h" -#include "xfa/fxbarcode/utils.h" - -CBC_PDF417ECModulusGF* CBC_PDF417ECModulusGF::PDF417_GF = nullptr; -void CBC_PDF417ECModulusGF::Initialize(int32_t& e) { - PDF417_GF = - new CBC_PDF417ECModulusGF(CBC_PDF417Common::NUMBER_OF_CODEWORDS, 3, e); -} -void CBC_PDF417ECModulusGF::Finalize() { - delete PDF417_GF; -} -CBC_PDF417ECModulusGF::CBC_PDF417ECModulusGF(int32_t modulus, - int32_t generator, - int32_t& e) { - m_modulus = modulus; - m_expTable.SetSize(modulus); - m_logTable.SetSize(modulus); - int32_t x = 1; - for (int32_t i = 0; i < modulus; i++) { - m_expTable[i] = x; - x = (x * generator) % modulus; - } - for (int32_t j = 0; j < modulus - 1; j++) { - m_logTable[m_expTable[j]] = j; - } - CFX_Int32Array zero; - zero.Add(0); - m_zero = new CBC_PDF417ECModulusPoly(this, zero, e); - CFX_Int32Array one; - one.Add(1); - m_one = new CBC_PDF417ECModulusPoly(this, one, e); -} -CBC_PDF417ECModulusGF::~CBC_PDF417ECModulusGF() { - delete m_zero; - delete m_one; -} -CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusGF::getZero() { - return m_zero; -} -CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusGF::getOne() { - return m_one; -} -CBC_PDF417ECModulusPoly* CBC_PDF417ECModulusGF::buildMonomial( - int32_t degree, - int32_t coefficient, - int32_t& e) { - if (degree < 0) { - e = BCExceptionIllegalArgument; - return nullptr; - } - CBC_PDF417ECModulusPoly* modulusPoly = nullptr; - if (coefficient == 0) { - modulusPoly = new CBC_PDF417ECModulusPoly(m_zero->getField(), - m_zero->getCoefficients(), e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return modulusPoly; - } - CFX_Int32Array coefficients; - coefficients.SetSize(degree + 1); - coefficients[0] = coefficient; - modulusPoly = new CBC_PDF417ECModulusPoly(this, coefficients, e); - BC_EXCEPTION_CHECK_ReturnValue(e, nullptr); - return modulusPoly; -} -int32_t CBC_PDF417ECModulusGF::add(int32_t a, int32_t b) { - return (a + b) % m_modulus; -} -int32_t CBC_PDF417ECModulusGF::subtract(int32_t a, int32_t b) { - return (m_modulus + a - b) % m_modulus; -} -int32_t CBC_PDF417ECModulusGF::exp(int32_t a) { - return m_expTable[a]; -} -int32_t CBC_PDF417ECModulusGF::log(int32_t a, int32_t& e) { - if (a == 0) { - e = BCExceptionIllegalArgument; - return -1; - } - return m_logTable[a]; -} -int32_t CBC_PDF417ECModulusGF::inverse(int32_t a, int32_t& e) { - if (a == 0) { - e = BCExceptionIllegalArgument; - return -1; - } - return m_expTable[m_modulus - m_logTable[a] - 1]; -} -int32_t CBC_PDF417ECModulusGF::multiply(int32_t a, int32_t b) { - if (a == 0 || b == 0) { - return 0; - } - return m_expTable[(m_logTable[a] + m_logTable[b]) % (m_modulus - 1)]; -} -int32_t CBC_PDF417ECModulusGF::getSize() { - return m_modulus; -} |