// 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 2008 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/src/fxbarcode/barcode.h" | |
#include "xfa/src/fxbarcode/common/BC_CommonByteMatrix.h" | |
#include "BC_QRCoderErrorCorrectionLevel.h" | |
#include "BC_QRCoder.h" | |
#include "BC_QRCoderMaskUtil.h" | |
#include "BC_QRCoderMatrixUtil.h" | |
#include "BC_QRCoderBitVector.h" | |
const int32_t CBC_QRCoderMatrixUtil::POSITION_DETECTION_PATTERN[7][7] = { | |
{1, 1, 1, 1, 1, 1, 1}, | |
{1, 0, 0, 0, 0, 0, 1}, | |
{1, 0, 1, 1, 1, 0, 1}, | |
{1, 0, 1, 1, 1, 0, 1}, | |
{1, 0, 1, 1, 1, 0, 1}, | |
{1, 0, 0, 0, 0, 0, 1}, | |
{1, 1, 1, 1, 1, 1, 1}}; | |
const int32_t CBC_QRCoderMatrixUtil::HORIZONTAL_SEPARATION_PATTERN[1][8] = { | |
{0, 0, 0, 0, 0, 0, 0, 0}}; | |
const int32_t CBC_QRCoderMatrixUtil::VERTICAL_SEPARATION_PATTERN[7][1] = | |
{{0}, {0}, {0}, {0}, {0}, {0}, {0}}; | |
const int32_t CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN[5][5] = { | |
{1, 1, 1, 1, 1}, | |
{1, 0, 0, 0, 1}, | |
{1, 0, 1, 0, 1}, | |
{1, 0, 0, 0, 1}, | |
{1, 1, 1, 1, 1}}; | |
const int32_t | |
CBC_QRCoderMatrixUtil::POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[40][7] = | |
{ | |
{-1, -1, -1, -1, -1, -1, -1}, {6, 18, -1, -1, -1, -1, -1}, | |
{6, 22, -1, -1, -1, -1, -1}, {6, 26, -1, -1, -1, -1, -1}, | |
{6, 30, -1, -1, -1, -1, -1}, {6, 34, -1, -1, -1, -1, -1}, | |
{6, 22, 38, -1, -1, -1, -1}, {6, 24, 42, -1, -1, -1, -1}, | |
{6, 26, 46, -1, -1, -1, -1}, {6, 28, 50, -1, -1, -1, -1}, | |
{6, 30, 54, -1, -1, -1, -1}, {6, 32, 58, -1, -1, -1, -1}, | |
{6, 34, 62, -1, -1, -1, -1}, {6, 26, 46, 66, -1, -1, -1}, | |
{6, 26, 48, 70, -1, -1, -1}, {6, 26, 50, 74, -1, -1, -1}, | |
{6, 30, 54, 78, -1, -1, -1}, {6, 30, 56, 82, -1, -1, -1}, | |
{6, 30, 58, 86, -1, -1, -1}, {6, 34, 62, 90, -1, -1, -1}, | |
{6, 28, 50, 72, 94, -1, -1}, {6, 26, 50, 74, 98, -1, -1}, | |
{6, 30, 54, 78, 102, -1, -1}, {6, 28, 54, 80, 106, -1, -1}, | |
{6, 32, 58, 84, 110, -1, -1}, {6, 30, 58, 86, 114, -1, -1}, | |
{6, 34, 62, 90, 118, -1, -1}, {6, 26, 50, 74, 98, 122, -1}, | |
{6, 30, 54, 78, 102, 126, -1}, {6, 26, 52, 78, 104, 130, -1}, | |
{6, 30, 56, 82, 108, 134, -1}, {6, 34, 60, 86, 112, 138, -1}, | |
{6, 30, 58, 86, 114, 142, -1}, {6, 34, 62, 90, 118, 146, -1}, | |
{6, 30, 54, 78, 102, 126, 150}, {6, 24, 50, 76, 102, 128, 154}, | |
{6, 28, 54, 80, 106, 132, 158}, {6, 32, 58, 84, 110, 136, 162}, | |
{6, 26, 54, 82, 110, 138, 166}, {6, 30, 58, 86, 114, 142, 170}, | |
}; | |
const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_COORDINATES[15][2] = { | |
{8, 0}, {8, 1}, {8, 2}, {8, 3}, {8, 4}, {8, 5}, {8, 7}, {8, 8}, | |
{7, 8}, {5, 8}, {4, 8}, {3, 8}, {2, 8}, {1, 8}, {0, 8}, | |
}; | |
const int32_t CBC_QRCoderMatrixUtil::VERSION_INFO_POLY = 0x1f25; | |
const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_POLY = 0x0537; | |
const int32_t CBC_QRCoderMatrixUtil::TYPE_INFO_MASK_PATTERN = 0x5412; | |
void CBC_QRCoderMatrixUtil::ClearMatrix(CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
matrix->clear((uint8_t)-1); | |
} | |
void CBC_QRCoderMatrixUtil::BuildMatrix( | |
CBC_QRCoderBitVector* dataBits, | |
CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
int32_t version, | |
int32_t maskPattern, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
ClearMatrix(matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedBasicPatterns(version, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedTypeInfo(ecLevel, maskPattern, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
MaybeEmbedVersionInfo(version, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedDataBits(dataBits, maskPattern, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
void CBC_QRCoderMatrixUtil::EmbedBasicPatterns(int32_t version, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
EmbedPositionDetectionPatternsAndSeparators(matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedDarkDotAtLeftBottomCorner(matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
MaybeEmbedPositionAdjustmentPatterns(version, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedTimingPatterns(matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
void CBC_QRCoderMatrixUtil::EmbedTypeInfo( | |
CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
int32_t maskPattern, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
CBC_QRCoderBitVector typeInfoBits; | |
typeInfoBits.Init(); | |
MakeTypeInfoBits(ecLevel, maskPattern, &typeInfoBits, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
for (int32_t i = 0; i < typeInfoBits.Size(); i++) { | |
int32_t bit = typeInfoBits.At(typeInfoBits.Size() - 1 - i, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
int32_t x1 = TYPE_INFO_COORDINATES[i][0]; | |
int32_t y1 = TYPE_INFO_COORDINATES[i][1]; | |
matrix->Set(x1, y1, bit); | |
if (i < 8) { | |
int32_t x2 = matrix->GetWidth() - i - 1; | |
int32_t y2 = 8; | |
matrix->Set(x2, y2, bit); | |
} else { | |
int32_t x2 = 8; | |
int32_t y2 = matrix->GetHeight() - 7 + (i - 8); | |
matrix->Set(x2, y2, bit); | |
} | |
} | |
} | |
void CBC_QRCoderMatrixUtil::MaybeEmbedVersionInfo(int32_t version, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (version < 7) { | |
return; | |
} | |
CBC_QRCoderBitVector versionInfoBits; | |
versionInfoBits.Init(); | |
MakeVersionInfoBits(version, &versionInfoBits, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
int32_t bitIndex = 6 * 3 - 1; | |
for (int32_t i = 0; i < 6; i++) { | |
for (int32_t j = 0; j < 3; j++) { | |
int32_t bit = versionInfoBits.At(bitIndex, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
bitIndex--; | |
matrix->Set(i, matrix->GetHeight() - 11 + j, bit); | |
matrix->Set(matrix->GetHeight() - 11 + j, i, bit); | |
} | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedDataBits(CBC_QRCoderBitVector* dataBits, | |
int32_t maskPattern, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL || dataBits == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
int32_t bitIndex = 0; | |
int32_t direction = -1; | |
int32_t x = matrix->GetWidth() - 1; | |
int32_t y = matrix->GetHeight() - 1; | |
while (x > 0) { | |
if (x == 6) { | |
x -= 1; | |
} | |
while (y >= 0 && y < matrix->GetHeight()) { | |
if (y == 6) { | |
y += direction; | |
continue; | |
} | |
for (int32_t i = 0; i < 2; i++) { | |
int32_t xx = x - i; | |
if (!IsEmpty(matrix->Get(xx, y))) { | |
continue; | |
} | |
int32_t bit; | |
if (bitIndex < dataBits->Size()) { | |
bit = dataBits->At(bitIndex, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
bitIndex++; | |
} else { | |
bit = 0; | |
} | |
if (maskPattern != -1) { | |
FX_BOOL bol = | |
CBC_QRCoderMaskUtil::GetDataMaskBit(maskPattern, xx, y, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
if (bol) { | |
bit ^= 0x01; | |
} | |
} | |
matrix->Set(xx, y, bit); | |
} | |
y += direction; | |
} | |
direction = -direction; | |
y += direction; | |
x -= 2; | |
} | |
if (bitIndex != dataBits->Size()) { | |
return; | |
} | |
} | |
int32_t CBC_QRCoderMatrixUtil::CalculateBCHCode(int32_t value, int32_t poly) { | |
int32_t msbSetInPoly = FindMSBSet(poly); | |
value <<= msbSetInPoly - 1; | |
while (FindMSBSet(value) >= msbSetInPoly) { | |
value ^= poly << (FindMSBSet(value) - msbSetInPoly); | |
} | |
return value; | |
} | |
void CBC_QRCoderMatrixUtil::MakeTypeInfoBits( | |
CBC_QRCoderErrorCorrectionLevel* ecLevel, | |
int32_t maskPattern, | |
CBC_QRCoderBitVector* bits, | |
int32_t& e) { | |
if (bits == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (!CBC_QRCoder::IsValidMaskPattern(maskPattern)) { | |
e = BCExceptionBadMask; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
int32_t typeInfo = (ecLevel->GetBits() << 3) | maskPattern; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
bits->AppendBits(typeInfo, 5, e); | |
int32_t bchCode = CalculateBCHCode(typeInfo, TYPE_INFO_POLY); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
bits->AppendBits(bchCode, 10, e); | |
CBC_QRCoderBitVector maskBits; | |
maskBits.Init(); | |
maskBits.AppendBits(TYPE_INFO_MASK_PATTERN, 15, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
bits->XOR(&maskBits, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
if (bits->Size() != 15) { | |
e = BCExceptionBitSizeNot15; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
} | |
void CBC_QRCoderMatrixUtil::MakeVersionInfoBits(int32_t version, | |
CBC_QRCoderBitVector* bits, | |
int32_t& e) { | |
if (bits == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
bits->AppendBits(version, 6, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
int32_t bchCode = CalculateBCHCode(version, VERSION_INFO_POLY); | |
bits->AppendBits(bchCode, 12, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
if (bits->Size() != 18) { | |
e = BCExceptionBitSizeNot18; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
} | |
FX_BOOL CBC_QRCoderMatrixUtil::IsEmpty(int32_t value) { | |
return (uint8_t)value == 0xff; | |
} | |
FX_BOOL CBC_QRCoderMatrixUtil::IsValidValue(int32_t value) { | |
return ((uint8_t)value == 0xff || (uint8_t)value == 0x00 || | |
(uint8_t)value == 0x01); | |
} | |
void CBC_QRCoderMatrixUtil::EmbedTimingPatterns(CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
for (int32_t i = 8; i < matrix->GetWidth() - 8; i++) { | |
int32_t bit = (i + 1) % 2; | |
if (!IsValidValue(matrix->Get(i, 6))) { | |
e = BCExceptionInvalidateImageData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (IsEmpty(matrix->Get(i, 6))) { | |
matrix->Set(i, 6, bit); | |
} | |
if (!IsValidValue(matrix->Get(6, i))) { | |
e = BCExceptionInvalidateImageData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (IsEmpty(matrix->Get(6, i))) { | |
matrix->Set(6, i, bit); | |
} | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedDarkDotAtLeftBottomCorner( | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (matrix->Get(8, matrix->GetHeight() - 8) == 0) { | |
e = BCExceptionHeight_8BeZero; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
matrix->Set(8, matrix->GetHeight() - 8, 1); | |
} | |
void CBC_QRCoderMatrixUtil::EmbedHorizontalSeparationPattern( | |
int32_t xStart, | |
int32_t yStart, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
for (int32_t x = 0; x < 8; x++) { | |
if (!IsEmpty(matrix->Get(xStart + x, yStart))) { | |
e = BCExceptionInvalidateData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e) | |
} | |
matrix->Set(xStart + x, yStart, HORIZONTAL_SEPARATION_PATTERN[0][x]); | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedVerticalSeparationPattern( | |
int32_t xStart, | |
int32_t yStart, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
for (int32_t y = 0; y < 7; y++) { | |
if (!IsEmpty(matrix->Get(xStart, yStart + y))) { | |
e = BCExceptionInvalidateData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
matrix->Set(xStart, yStart + y, VERTICAL_SEPARATION_PATTERN[y][0]); | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedPositionAdjustmentPattern( | |
int32_t xStart, | |
int32_t yStart, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
for (int32_t y = 0; y < 5; y++) { | |
for (int32_t x = 0; x < 5; x++) { | |
if (!IsEmpty(matrix->Get(xStart + x, y + yStart))) { | |
e = BCExceptionInvalidateData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
matrix->Set(xStart + x, yStart + y, POSITION_ADJUSTMENT_PATTERN[y][x]); | |
} | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPattern( | |
int32_t xStart, | |
int32_t yStart, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
for (int32_t y = 0; y < 7; y++) { | |
for (int32_t x = 0; x < 7; x++) { | |
if (!IsEmpty(matrix->Get(xStart + x, yStart + y))) { | |
e = BCExceptionInvalidateData; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
matrix->Set(xStart + x, yStart + y, POSITION_DETECTION_PATTERN[y][x]); | |
} | |
} | |
} | |
void CBC_QRCoderMatrixUtil::EmbedPositionDetectionPatternsAndSeparators( | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
int32_t pdpWidth = 7; | |
EmbedPositionDetectionPattern(0, 0, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedPositionDetectionPattern(matrix->GetWidth() - pdpWidth, 0, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedPositionDetectionPattern(0, matrix->GetWidth() - pdpWidth, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
int32_t hspWidth = 8; | |
EmbedHorizontalSeparationPattern(0, hspWidth - 1, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedHorizontalSeparationPattern(matrix->GetWidth() - hspWidth, hspWidth - 1, | |
matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedHorizontalSeparationPattern(0, matrix->GetWidth() - hspWidth, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
int32_t vspSize = 7; | |
EmbedVerticalSeparationPattern(vspSize, 0, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedVerticalSeparationPattern(matrix->GetHeight() - vspSize - 1, 0, matrix, | |
e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
EmbedVerticalSeparationPattern(vspSize, matrix->GetHeight() - vspSize, matrix, | |
e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
void CBC_QRCoderMatrixUtil::MaybeEmbedPositionAdjustmentPatterns( | |
int32_t version, | |
CBC_CommonByteMatrix* matrix, | |
int32_t& e) { | |
if (matrix == NULL) { | |
e = BCExceptionNullPointer; | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
if (version < 2) { | |
return; | |
} | |
int32_t index = version - 1; | |
int32_t const* coordinates = | |
&(POSITION_ADJUSTMENT_PATTERN_COORDINATE_TABLE[index][0]); | |
int32_t numCoordinate = 7; | |
for (int32_t i = 0; i < numCoordinate; i++) { | |
for (int32_t j = 0; j < numCoordinate; j++) { | |
int32_t y = coordinates[i]; | |
int32_t x = coordinates[j]; | |
if (x == -1 || y == -1) { | |
continue; | |
} | |
if (IsEmpty(matrix->Get(x, y))) { | |
EmbedPositionAdjustmentPattern(x - 2, y - 2, matrix, e); | |
BC_EXCEPTION_CHECK_ReturnVoid(e); | |
} | |
} | |
} | |
} | |
int32_t CBC_QRCoderMatrixUtil::FindMSBSet(int32_t value) { | |
int32_t numDigits = 0; | |
while (value != 0) { | |
value >>= 1; | |
++numDigits; | |
} | |
return numDigits; | |
} | |
CBC_QRCoderMatrixUtil::CBC_QRCoderMatrixUtil() {} | |
CBC_QRCoderMatrixUtil::~CBC_QRCoderMatrixUtil() {} |