From a26153440b46b3b37b7e81435debb296f22769f4 Mon Sep 17 00:00:00 2001 From: dsinclair Date: Thu, 16 Jun 2016 12:29:07 -0700 Subject: 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 --- .../qrcode/BC_QRCoderFormatInformation.cpp | 111 --------------------- 1 file changed, 111 deletions(-) delete mode 100644 xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp (limited to 'xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp') diff --git a/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp b/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp deleted file mode 100644 index 1c85aa16d7..0000000000 --- a/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp +++ /dev/null @@ -1,111 +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_QRCoderFormatInformation.h" - -#include - -#include "xfa/fxbarcode/qrcode/BC_QRCoderErrorCorrectionLevel.h" -#include "xfa/fxbarcode/utils.h" - -namespace { - -const uint16_t FORMAT_INFO_MASK_QR = 0X5412; - -struct DecodeInfo { - uint16_t target; - uint16_t format; -}; -const DecodeInfo FORMAT_INFO_DECODE_LOOKUP[32] = { - {0x5412, 0x00}, {0x5125, 0x01}, {0x5E7C, 0x02}, {0x5B4B, 0x03}, - {0x45F9, 0x04}, {0x40CE, 0x05}, {0x4F97, 0x06}, {0x4AA0, 0x07}, - {0x77C4, 0x08}, {0x72F3, 0x09}, {0x7DAA, 0x0A}, {0x789D, 0x0B}, - {0x662F, 0x0C}, {0x6318, 0x0D}, {0x6C41, 0x0E}, {0x6976, 0x0F}, - {0x1689, 0x10}, {0x13BE, 0x11}, {0x1CE7, 0x12}, {0x19D0, 0x13}, - {0x0762, 0x14}, {0x0255, 0x15}, {0x0D0C, 0x16}, {0x083B, 0x17}, - {0x355F, 0x18}, {0x3068, 0x19}, {0x3F31, 0x1A}, {0x3A06, 0x1B}, - {0x24B4, 0x1C}, {0x2183, 0x1D}, {0x2EDA, 0x1E}, {0x2BED, 0x1F}, -}; -const uint8_t BITS_SET_IN_HALF_BYTE[] = {0, 1, 1, 2, 1, 2, 2, 3, - 1, 2, 2, 3, 2, 3, 3, 4}; - -CBC_QRCoderFormatInformation* DoDecodeFormatInformation( - int32_t maskedFormatInfo) { - int32_t bestDifference = std::numeric_limits::max(); - int32_t bestFormatInfo = 0; - for (int32_t i = 0; i < 32; ++i) { - const DecodeInfo& decodeInfo = FORMAT_INFO_DECODE_LOOKUP[i]; - if (decodeInfo.target == maskedFormatInfo) - return new CBC_QRCoderFormatInformation(decodeInfo.format); - - int32_t bitsDifference = CBC_QRCoderFormatInformation::NumBitsDiffering( - maskedFormatInfo, decodeInfo.target); - if (bitsDifference < bestDifference) { - bestFormatInfo = decodeInfo.format; - bestDifference = bitsDifference; - } - } - if (bestDifference > 3) - return nullptr; - return new CBC_QRCoderFormatInformation(bestFormatInfo); -} - -} // namespace - -CBC_QRCoderFormatInformation::CBC_QRCoderFormatInformation(int32_t formatInfo) - : m_dataMask(static_cast(formatInfo & 0x07)) { - m_errorCorrectLevel = - CBC_QRCoderErrorCorrectionLevel::ForBits((formatInfo >> 3) & 0x03); -} - -CBC_QRCoderFormatInformation::~CBC_QRCoderFormatInformation() {} -int32_t CBC_QRCoderFormatInformation::NumBitsDiffering(int32_t a, int32_t b) { - a ^= b; - return BITS_SET_IN_HALF_BYTE[a & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 4) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 8) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 12) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 16) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 20) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 24) & 0x0F] + - BITS_SET_IN_HALF_BYTE[(a >> 28) & 0x0F]; -} -uint8_t CBC_QRCoderFormatInformation::GetDataMask() const { - return m_dataMask; -} - -// static -CBC_QRCoderErrorCorrectionLevel* -CBC_QRCoderFormatInformation::GetErrorCorrectionLevel() { - return m_errorCorrectLevel; -} - -// static -CBC_QRCoderFormatInformation* -CBC_QRCoderFormatInformation::DecodeFormatInformation( - int32_t maskedFormatInfo) { - CBC_QRCoderFormatInformation* formatInfo = - DoDecodeFormatInformation(maskedFormatInfo); - if (formatInfo) - return formatInfo; - return DoDecodeFormatInformation(maskedFormatInfo ^ FORMAT_INFO_MASK_QR); -} -- cgit v1.2.3