1ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann// Copyright 2014 PDFium Authors. All rights reserved. 2ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann// Use of this source code is governed by a BSD-style license that can be 3ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann// found in the LICENSE file. 4ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann 5ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann// Original code is licensed as follows: 7ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann/* 8ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * Copyright 2007 ZXing authors 9ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * 10ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * Licensed under the Apache License, Version 2.0 (the "License"); 11ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * you may not use this file except in compliance with the License. 12ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * You may obtain a copy of the License at 13ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * 14ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * http://www.apache.org/licenses/LICENSE-2.0 15ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * 16ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * Unless required by applicable law or agreed to in writing, software 17ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * distributed under the License is distributed on an "AS IS" BASIS, 18ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 19ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * See the License for the specific language governing permissions and 20ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann * limitations under the License. 21ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann */ 22ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann 23ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann#include "xfa/src/fxbarcode/barcode.h" 24ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann#include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h" 25ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann#include "BC_QRDataMask.h" 26ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannstatic int32_t N_DATA_MASKS = 0; 27ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. MoltmannCFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL; 28ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannvoid CBC_QRDataMask::Initialize() { 29ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS = new CFX_PtrArray(); 30ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann N_DATA_MASKS = BuildDataMasks(); 31ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 32ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannvoid CBC_QRDataMask::Finalize() { 33ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann Destroy(); 34ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann delete DATA_MASKS; 35ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 36ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannvoid CBC_QRDataMask::Destroy() { 37ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int32_t i; 38ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann for (i = 0; i < N_DATA_MASKS; i++) { 39ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i]; 40ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann if (p) { 41ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann delete p; 42ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 43ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 44ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 45ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannvoid CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix* bits, 46ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann int32_t dimension) { 47ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann for (int32_t i = 0; i < dimension; i++) { 48ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann for (int32_t j = 0; j < dimension; j++) { 49ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann if (IsMasked(i, j)) { 50ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann bits->Flip(j, i); 51ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 52ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 53ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 54ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 55ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. MoltmannCBC_QRDataMask* CBC_QRDataMask::ForReference(int32_t reference, int32_t& e) { 56ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann if (reference < 0 || reference > 7) { 57ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann e = BCExceptionReferenceMustBeBetween0And7; 58ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann BC_EXCEPTION_CHECK_ReturnValue(e, NULL); 59ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 60ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return (CBC_QRDataMask*)(*DATA_MASKS)[reference]; 61ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 62ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask000 : public CBC_QRDataMask { 63ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 64ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { return ((x + y) % 2) == 0; } 65ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 66ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask001 : public CBC_QRDataMask { 67ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 68ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { return (x % 2) == 0; } 69ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 70ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask010 : public CBC_QRDataMask { 71ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 72ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { return y % 3 == 0; } 73ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 74ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask011 : public CBC_QRDataMask { 75ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 76ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { return (x + y) % 3 == 0; } 77ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 78ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask100 : public CBC_QRDataMask { 79ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 80ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { 81ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return (((x >> 1) + (y / 3)) % 2) == 0; 82ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 83ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 84ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask101 : public CBC_QRDataMask { 85ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 86ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { 87ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann size_t temp = x * y; 88ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return (temp % 2) + (temp % 3) == 0; 89ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 90ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 91ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask110 : public CBC_QRDataMask { 92ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 93ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { 94ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann size_t temp = x * y; 95ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return (((temp % 2) + (temp % 3)) % 2) == 0; 96ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 97ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 98ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannclass DataMask111 : public CBC_QRDataMask { 99ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann public: 100ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann FX_BOOL IsMasked(int32_t x, int32_t y) { 101ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return ((((x + y) % 2) + ((x * y) % 3)) % 2) == 0; 102ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann } 103ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann}; 104ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmannint32_t CBC_QRDataMask::BuildDataMasks() { 105ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask000); 106ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask001); 107ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask010); 108ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask011); 109ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask100); 110ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask101); 111ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask110); 112ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann DATA_MASKS->Add(new DataMask111); 113ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann return DATA_MASKS->GetSize(); 114ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. Moltmann} 115ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. MoltmannCBC_QRDataMask::CBC_QRDataMask() {} 116ac3d58cff7c80b0ef56bf55130d91da17cbaa3c4Philip P. MoltmannCBC_QRDataMask::~CBC_QRDataMask() {} 117