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Side by Side Diff: xfa/src/fxbarcode/qrcode/BC_QRDataMask.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 // Original code is licensed as follows:
7 /*
8 * Copyright 2007 ZXing authors
9 *
10 * Licensed under the Apache License, Version 2.0 (the "License");
11 * you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software
17 * distributed under the License is distributed on an "AS IS" BASIS,
18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 * See the License for the specific language governing permissions and
20 * limitations under the License.
21 */
22
23 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
24 #include "xfa/src/fxbarcode/qrcode/BC_QRDataMask.h"
25 #include "xfa/src/fxbarcode/utils.h"
26
27 static int32_t N_DATA_MASKS = 0;
28 CFX_PtrArray* CBC_QRDataMask::DATA_MASKS = NULL;
29
30 void CBC_QRDataMask::Initialize() {
31 DATA_MASKS = new CFX_PtrArray();
32 N_DATA_MASKS = BuildDataMasks();
33 }
34 void CBC_QRDataMask::Finalize() {
35 Destroy();
36 delete DATA_MASKS;
37 }
38 void CBC_QRDataMask::Destroy() {
39 int32_t i;
40 for (i = 0; i < N_DATA_MASKS; i++) {
41 CBC_QRDataMask* p = (CBC_QRDataMask*)(*DATA_MASKS)[i];
42 if (p) {
43 delete p;
44 }
45 }
46 }
47 void CBC_QRDataMask::UnmaskBitMatirx(CBC_CommonBitMatrix* bits,
48 int32_t dimension) {
49 for (int32_t i = 0; i < dimension; i++) {
50 for (int32_t j = 0; j < dimension; j++) {
51 if (IsMasked(i, j)) {
52 bits->Flip(j, i);
53 }
54 }
55 }
56 }
57 CBC_QRDataMask* CBC_QRDataMask::ForReference(int32_t reference, int32_t& e) {
58 if (reference < 0 || reference > 7) {
59 e = BCExceptionReferenceMustBeBetween0And7;
60 BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
61 }
62 return (CBC_QRDataMask*)(*DATA_MASKS)[reference];
63 }
64 class DataMask000 : public CBC_QRDataMask {
65 public:
66 FX_BOOL IsMasked(int32_t x, int32_t y) { return ((x + y) % 2) == 0; }
67 };
68 class DataMask001 : public CBC_QRDataMask {
69 public:
70 FX_BOOL IsMasked(int32_t x, int32_t y) { return (x % 2) == 0; }
71 };
72 class DataMask010 : public CBC_QRDataMask {
73 public:
74 FX_BOOL IsMasked(int32_t x, int32_t y) { return y % 3 == 0; }
75 };
76 class DataMask011 : public CBC_QRDataMask {
77 public:
78 FX_BOOL IsMasked(int32_t x, int32_t y) { return (x + y) % 3 == 0; }
79 };
80 class DataMask100 : public CBC_QRDataMask {
81 public:
82 FX_BOOL IsMasked(int32_t x, int32_t y) {
83 return (((x >> 1) + (y / 3)) % 2) == 0;
84 }
85 };
86 class DataMask101 : public CBC_QRDataMask {
87 public:
88 FX_BOOL IsMasked(int32_t x, int32_t y) {
89 size_t temp = x * y;
90 return (temp % 2) + (temp % 3) == 0;
91 }
92 };
93 class DataMask110 : public CBC_QRDataMask {
94 public:
95 FX_BOOL IsMasked(int32_t x, int32_t y) {
96 size_t temp = x * y;
97 return (((temp % 2) + (temp % 3)) % 2) == 0;
98 }
99 };
100 class DataMask111 : public CBC_QRDataMask {
101 public:
102 FX_BOOL IsMasked(int32_t x, int32_t y) {
103 return ((((x + y) % 2) + ((x * y) % 3)) % 2) == 0;
104 }
105 };
106 int32_t CBC_QRDataMask::BuildDataMasks() {
107 DATA_MASKS->Add(new DataMask000);
108 DATA_MASKS->Add(new DataMask001);
109 DATA_MASKS->Add(new DataMask010);
110 DATA_MASKS->Add(new DataMask011);
111 DATA_MASKS->Add(new DataMask100);
112 DATA_MASKS->Add(new DataMask101);
113 DATA_MASKS->Add(new DataMask110);
114 DATA_MASKS->Add(new DataMask111);
115 return DATA_MASKS->GetSize();
116 }
117 CBC_QRDataMask::CBC_QRDataMask() {}
118 CBC_QRDataMask::~CBC_QRDataMask() {}
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