summaryrefslogtreecommitdiff
path: root/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
diff options
context:
space:
mode:
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/qrcode/BC_QRBitMatrixParser.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/qrcode/BC_QRBitMatrixParser.cpp')
-rw-r--r--xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp183
1 files changed, 0 insertions, 183 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp b/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
deleted file mode 100644
index 81d27538bf..0000000000
--- a/xfa/fxbarcode/qrcode/BC_QRBitMatrixParser.cpp
+++ /dev/null
@@ -1,183 +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 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_QRBitMatrixParser.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h"
-#include "xfa/fxbarcode/qrcode/BC_QRCoderVersion.h"
-#include "xfa/fxbarcode/qrcode/BC_QRDataMask.h"
-#include "xfa/fxbarcode/utils.h"
-
-CBC_QRBitMatrixParser::CBC_QRBitMatrixParser() {}
-void CBC_QRBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e) {
- m_dimension = bitMatrix->GetDimension(e);
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- m_tempBitMatrix = bitMatrix;
- if (m_dimension < 21 || (m_dimension & 0x03) != 1) {
- e = BCExceptionRead;
- BC_EXCEPTION_CHECK_ReturnVoid(e);
- }
- m_bitMatrix = m_tempBitMatrix;
- m_parsedFormatInfo = nullptr;
- m_version = nullptr;
-}
-CBC_QRBitMatrixParser::~CBC_QRBitMatrixParser() {
- delete m_parsedFormatInfo;
-}
-CBC_QRCoderFormatInformation* CBC_QRBitMatrixParser::ReadFormatInformation(
- int32_t& e) {
- if (m_parsedFormatInfo) {
- return m_parsedFormatInfo;
- }
- int32_t formatInfoBits = 0;
- int32_t j;
- for (j = 0; j < 6; j++) {
- formatInfoBits = CopyBit(8, j, formatInfoBits);
- }
- formatInfoBits = CopyBit(8, 7, formatInfoBits);
- formatInfoBits = CopyBit(8, 8, formatInfoBits);
- formatInfoBits = CopyBit(7, 8, formatInfoBits);
- for (int32_t i = 5; i >= 0; i--) {
- formatInfoBits = CopyBit(i, 8, formatInfoBits);
- }
- m_parsedFormatInfo =
- CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
- if (m_parsedFormatInfo) {
- return m_parsedFormatInfo;
- }
- int32_t dimension = m_bitMatrix->GetDimension(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- formatInfoBits = 0;
- int32_t iMin = dimension - 8;
- for (j = dimension - 1; j >= iMin; j--) {
- formatInfoBits = CopyBit(j, 8, formatInfoBits);
- }
- for (int32_t k = dimension - 7; k < dimension; k++) {
- formatInfoBits = CopyBit(8, k, formatInfoBits);
- }
- m_parsedFormatInfo =
- CBC_QRCoderFormatInformation::DecodeFormatInformation(formatInfoBits);
- if (m_parsedFormatInfo) {
- return m_parsedFormatInfo;
- }
- e = BCExceptionRead;
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- return nullptr;
-}
-CBC_QRCoderVersion* CBC_QRBitMatrixParser::ReadVersion(int32_t& e) {
- if (m_version) {
- return m_version;
- }
- int32_t dimension = m_bitMatrix->GetDimension(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- int32_t provisionVersion = (dimension - 17) >> 2;
- if (provisionVersion <= 6) {
- CBC_QRCoderVersion* qrv =
- CBC_QRCoderVersion::GetVersionForNumber(provisionVersion, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- return qrv;
- }
- int32_t versionBits = 0;
- for (int32_t i = 5; i >= 0; i--) {
- int32_t jMin = dimension - 11;
- for (int32_t j = dimension - 9; j >= jMin; j--) {
- versionBits = CopyBit(i, j, versionBits);
- }
- }
- m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- if (m_version && m_version->GetDimensionForVersion() == dimension) {
- return m_version;
- }
- versionBits = 0;
- for (int32_t j = 5; j >= 0; j--) {
- int32_t iMin = dimension - 11;
- for (int32_t i = dimension - 9; i >= iMin; i--) {
- versionBits = CopyBit(i, j, versionBits);
- }
- }
- m_version = CBC_QRCoderVersion::DecodeVersionInformation(versionBits, e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- if (m_version && m_version->GetDimensionForVersion() == dimension) {
- return m_version;
- }
- e = BCExceptionRead;
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- return nullptr;
-}
-int32_t CBC_QRBitMatrixParser::CopyBit(int32_t i,
- int32_t j,
- int32_t versionBits) {
- return m_bitMatrix->Get(j, i) ? (versionBits << 1) | 0x1 : versionBits << 1;
-}
-CFX_ByteArray* CBC_QRBitMatrixParser::ReadCodewords(int32_t& e) {
- CBC_QRCoderFormatInformation* formatInfo = ReadFormatInformation(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr) CBC_QRCoderVersion* version =
- ReadVersion(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- CBC_QRDataMask* dataMask =
- CBC_QRDataMask::ForReference((int32_t)(formatInfo->GetDataMask()), e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- int32_t dimension = m_bitMatrix->GetDimension(e);
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- dataMask->UnmaskBitMatrix(m_bitMatrix, dimension);
- std::unique_ptr<CBC_CommonBitMatrix> functionPattern(
- version->BuildFunctionPattern(e));
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- FX_BOOL readingUp = TRUE;
- std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray);
- result->SetSize(version->GetTotalCodeWords());
- int32_t resultOffset = 0;
- int32_t currentByte = 0;
- int32_t bitsRead = 0;
- for (int32_t j = dimension - 1; j > 0; j -= 2) {
- if (j == 6) {
- j--;
- }
- for (int32_t count = 0; count < dimension; count++) {
- int32_t i = readingUp ? dimension - 1 - count : count;
- for (int32_t col = 0; col < 2; col++) {
- if (!functionPattern->Get(j - col, i)) {
- bitsRead++;
- currentByte <<= 1;
- if (m_bitMatrix->Get(j - col, i)) {
- currentByte |= 1;
- }
- if (bitsRead == 8) {
- (*result)[resultOffset++] = (uint8_t)currentByte;
- bitsRead = 0;
- currentByte = 0;
- }
- }
- }
- }
- readingUp ^= TRUE;
- }
- if (resultOffset != version->GetTotalCodeWords()) {
- e = BCExceptionRead;
- BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
- }
- return result.release();
-}