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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/qrcode/BC_QRCoderFormatInformation.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/qrcode/BC_QRCoderFormatInformation.cpp')
-rw-r--r-- | xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp b/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp new file mode 100644 index 0000000000..da647a9c53 --- /dev/null +++ b/xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.cpp @@ -0,0 +1,95 @@ +// 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_QRCoderErrorCorrectionLevel.h" +#include "xfa/fxbarcode/qrcode/BC_QRCoderFormatInformation.h" +#include "xfa/fxbarcode/utils.h" + +const int32_t CBC_QRCoderFormatInformation::FORMAT_INFO_MASK_QR = 0X5412; +const int32_t CBC_QRCoderFormatInformation::FORMAT_INFO_DECODE_LOOKUP[32][2] = { + {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 int32_t CBC_QRCoderFormatInformation::BITS_SET_IN_HALF_BYTE[] = { + 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; + +CBC_QRCoderFormatInformation::CBC_QRCoderFormatInformation(int32_t formatInfo) { + m_errorCorrectLevl = + CBC_QRCoderErrorCorrectionLevel::ForBits((formatInfo >> 3) & 0x03); + m_dataMask = (uint8_t)(formatInfo & 0x07); +} +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() { + return m_dataMask; +} +CBC_QRCoderErrorCorrectionLevel* +CBC_QRCoderFormatInformation::GetErrorCorrectionLevel() { + return m_errorCorrectLevl; +} +CBC_QRCoderFormatInformation* +CBC_QRCoderFormatInformation::DecodeFormatInformation( + int32_t maskedFormatInfo) { + CBC_QRCoderFormatInformation* formatInfo = + DoDecodeFormatInformation(maskedFormatInfo); + if (formatInfo) + return formatInfo; + return DoDecodeFormatInformation(maskedFormatInfo ^ FORMAT_INFO_MASK_QR); +} +CBC_QRCoderFormatInformation* +CBC_QRCoderFormatInformation::DoDecodeFormatInformation( + int32_t maskedFormatInfo) { + int32_t bestDifference = (int32_t)FXSYS_nan(); + int32_t bestFormatInfo = 0; + for (int32_t i = 0; i < 32; i++) { + int32_t const* decodeInfo = &FORMAT_INFO_DECODE_LOOKUP[i][0]; + int32_t targetInfo = decodeInfo[0]; + if (targetInfo == maskedFormatInfo) { + return new CBC_QRCoderFormatInformation(decodeInfo[1]); + } + int32_t bitsDifference = NumBitsDiffering(maskedFormatInfo, targetInfo); + if (bitsDifference < bestDifference) { + bestFormatInfo = decodeInfo[1]; + bestDifference = bitsDifference; + } + } + if (bestDifference <= 3) { + return new CBC_QRCoderFormatInformation(bestFormatInfo); + } + return NULL; +} |