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authordsinclair <dsinclair@chromium.org>2016-06-16 12:29:07 -0700
committerCommit bot <commit-bot@chromium.org>2016-06-16 12:29:07 -0700
commita26153440b46b3b37b7e81435debb296f22769f4 (patch)
tree37b3073d15af7ae2850b5a02be87123feb54a054 /xfa/fxbarcode/pdf417/BC_PDF417ECModulusGF.cpp
parent8320ee28f24615d1d619a5db1b7c235ea6f91dde (diff)
downloadpdfium-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.cpp120
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;
-}