Philip P. Moltmann | d904c1e | 2018-03-19 09:26:45 -0700 | [diff] [blame] | 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 2010 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 "fxbarcode/oned/BC_OnedUPCAWriter.h" |
| 24 | |
| 25 | #include <vector> |
| 26 | |
| 27 | #include "core/fxcrt/fx_extension.h" |
| 28 | #include "core/fxge/cfx_defaultrenderdevice.h" |
| 29 | #include "fxbarcode/BC_Writer.h" |
| 30 | #include "fxbarcode/oned/BC_OneDimWriter.h" |
| 31 | #include "fxbarcode/oned/BC_OnedEAN13Writer.h" |
| 32 | #include "third_party/base/ptr_util.h" |
| 33 | |
| 34 | CBC_OnedUPCAWriter::CBC_OnedUPCAWriter() { |
| 35 | m_bLeftPadding = true; |
| 36 | m_bRightPadding = true; |
| 37 | } |
| 38 | |
| 39 | void CBC_OnedUPCAWriter::Init() { |
| 40 | m_subWriter = pdfium::MakeUnique<CBC_OnedEAN13Writer>(); |
| 41 | } |
| 42 | |
| 43 | CBC_OnedUPCAWriter::~CBC_OnedUPCAWriter() {} |
| 44 | |
| 45 | bool CBC_OnedUPCAWriter::CheckContentValidity(const WideStringView& contents) { |
| 46 | for (size_t i = 0; i < contents.GetLength(); ++i) { |
| 47 | if (contents[i] < '0' || contents[i] > '9') |
| 48 | return false; |
| 49 | } |
| 50 | return true; |
| 51 | } |
| 52 | |
| 53 | WideString CBC_OnedUPCAWriter::FilterContents(const WideStringView& contents) { |
| 54 | WideString filtercontents; |
| 55 | wchar_t ch; |
| 56 | for (size_t i = 0; i < contents.GetLength(); i++) { |
| 57 | ch = contents[i]; |
| 58 | if (ch > 175) { |
| 59 | i++; |
| 60 | continue; |
| 61 | } |
| 62 | if (ch >= '0' && ch <= '9') { |
| 63 | filtercontents += ch; |
| 64 | } |
| 65 | } |
| 66 | return filtercontents; |
| 67 | } |
| 68 | |
| 69 | int32_t CBC_OnedUPCAWriter::CalcChecksum(const ByteString& contents) { |
| 70 | int32_t odd = 0; |
| 71 | int32_t even = 0; |
| 72 | size_t j = 1; |
| 73 | for (size_t i = contents.GetLength(); i > 0; i--) { |
| 74 | if (j % 2) { |
| 75 | odd += FXSYS_DecimalCharToInt(contents[i - 1]); |
| 76 | } else { |
| 77 | even += FXSYS_DecimalCharToInt(contents[i - 1]); |
| 78 | } |
| 79 | j++; |
| 80 | } |
| 81 | int32_t checksum = (odd * 3 + even) % 10; |
| 82 | checksum = (10 - checksum) % 10; |
| 83 | return checksum; |
| 84 | } |
| 85 | |
| 86 | uint8_t* CBC_OnedUPCAWriter::EncodeWithHint(const ByteString& contents, |
| 87 | BCFORMAT format, |
| 88 | int32_t& outWidth, |
| 89 | int32_t& outHeight, |
| 90 | int32_t hints) { |
| 91 | if (format != BCFORMAT_UPC_A) |
| 92 | return nullptr; |
| 93 | |
| 94 | ByteString toEAN13String = '0' + contents; |
| 95 | m_iDataLenth = 13; |
| 96 | return m_subWriter->EncodeWithHint(toEAN13String, BCFORMAT_EAN_13, outWidth, |
| 97 | outHeight, hints); |
| 98 | } |
| 99 | |
| 100 | uint8_t* CBC_OnedUPCAWriter::EncodeImpl(const ByteString& contents, |
| 101 | int32_t& outLength) { |
| 102 | return nullptr; |
| 103 | } |
| 104 | |
| 105 | bool CBC_OnedUPCAWriter::ShowChars(const WideStringView& contents, |
| 106 | CFX_RenderDevice* device, |
| 107 | const CFX_Matrix* matrix, |
| 108 | int32_t barWidth, |
| 109 | int32_t multiple) { |
| 110 | if (!device) |
| 111 | return false; |
| 112 | |
| 113 | int32_t leftPadding = 7 * multiple; |
| 114 | int32_t leftPosition = 10 * multiple + leftPadding; |
| 115 | ByteString str = FX_UTF8Encode(contents); |
| 116 | int32_t iLen = str.GetLength(); |
| 117 | std::vector<FXTEXT_CHARPOS> charpos(iLen); |
| 118 | ByteString tempStr = str.Mid(1, 5); |
| 119 | float strWidth = (float)35 * multiple; |
| 120 | float blank = 0.0; |
| 121 | |
| 122 | iLen = tempStr.GetLength(); |
| 123 | int32_t iFontSize = (int32_t)fabs(m_fFontSize); |
| 124 | int32_t iTextHeight = iFontSize + 1; |
| 125 | |
| 126 | CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| 127 | CFX_FloatRect rect((float)leftPosition, (float)(m_Height - iTextHeight), |
| 128 | (float)(leftPosition + strWidth - 0.5), (float)m_Height); |
| 129 | matr.Concat(*matrix); |
| 130 | FX_RECT re = matr.TransformRect(rect).GetOuterRect(); |
| 131 | device->FillRect(&re, m_backgroundColor); |
| 132 | CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| 133 | CFX_FloatRect rect1((float)(leftPosition + 40 * multiple), |
| 134 | (float)(m_Height - iTextHeight), |
| 135 | (float)((leftPosition + 40 * multiple) + strWidth - 0.5), |
| 136 | (float)m_Height); |
| 137 | matr1.Concat(*matrix); |
| 138 | re = matr1.TransformRect(rect1).GetOuterRect(); |
| 139 | device->FillRect(&re, m_backgroundColor); |
| 140 | float strWidth1 = (float)multiple * 7; |
| 141 | CFX_Matrix matr2(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| 142 | CFX_FloatRect rect2(0.0, (float)(m_Height - iTextHeight), |
| 143 | (float)strWidth1 - 1, (float)m_Height); |
| 144 | matr2.Concat(*matrix); |
| 145 | re = matr2.TransformRect(rect2).GetOuterRect(); |
| 146 | device->FillRect(&re, m_backgroundColor); |
| 147 | CFX_Matrix matr3(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0); |
| 148 | CFX_FloatRect rect3((float)(leftPosition + 85 * multiple), |
| 149 | (float)(m_Height - iTextHeight), |
| 150 | (float)((leftPosition + 85 * multiple) + strWidth1 - 0.5), |
| 151 | (float)m_Height); |
| 152 | matr3.Concat(*matrix); |
| 153 | re = matr3.TransformRect(rect3).GetOuterRect(); |
| 154 | device->FillRect(&re, m_backgroundColor); |
| 155 | strWidth = strWidth * m_outputHScale; |
| 156 | |
| 157 | CalcTextInfo(tempStr, &charpos[1], m_pFont.Get(), strWidth, iFontSize, blank); |
| 158 | { |
| 159 | CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, |
| 160 | (float)leftPosition * m_outputHScale, |
| 161 | (float)(m_Height - iTextHeight + iFontSize)); |
| 162 | if (matrix) |
| 163 | affine_matrix1.Concat(*matrix); |
| 164 | device->DrawNormalText(iLen, &charpos[1], m_pFont.Get(), |
| 165 | static_cast<float>(iFontSize), &affine_matrix1, |
| 166 | m_fontColor, FXTEXT_CLEARTYPE); |
| 167 | } |
| 168 | tempStr = str.Mid(6, 5); |
| 169 | iLen = tempStr.GetLength(); |
| 170 | CalcTextInfo(tempStr, &charpos[6], m_pFont.Get(), strWidth, iFontSize, blank); |
| 171 | { |
| 172 | CFX_Matrix affine_matrix1( |
| 173 | 1.0, 0.0, 0.0, -1.0, |
| 174 | (float)(leftPosition + 40 * multiple) * m_outputHScale, |
| 175 | (float)(m_Height - iTextHeight + iFontSize)); |
| 176 | if (matrix) |
| 177 | affine_matrix1.Concat(*matrix); |
| 178 | device->DrawNormalText(iLen, &charpos[6], m_pFont.Get(), |
| 179 | static_cast<float>(iFontSize), &affine_matrix1, |
| 180 | m_fontColor, FXTEXT_CLEARTYPE); |
| 181 | } |
| 182 | tempStr = str.Left(1); |
| 183 | iLen = tempStr.GetLength(); |
| 184 | strWidth = (float)multiple * 7; |
| 185 | strWidth = strWidth * m_outputHScale; |
| 186 | |
| 187 | CalcTextInfo(tempStr, charpos.data(), m_pFont.Get(), strWidth, iFontSize, |
| 188 | blank); |
| 189 | { |
| 190 | CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0, |
| 191 | (float)(m_Height - iTextHeight + iFontSize)); |
| 192 | if (matrix) |
| 193 | affine_matrix1.Concat(*matrix); |
| 194 | device->DrawNormalText(iLen, charpos.data(), m_pFont.Get(), |
| 195 | static_cast<float>(iFontSize), &affine_matrix1, |
| 196 | m_fontColor, FXTEXT_CLEARTYPE); |
| 197 | } |
| 198 | tempStr = str.Mid(11, 1); |
| 199 | iLen = tempStr.GetLength(); |
| 200 | CalcTextInfo(tempStr, &charpos[11], m_pFont.Get(), strWidth, iFontSize, |
| 201 | blank); |
| 202 | { |
| 203 | CFX_Matrix affine_matrix1( |
| 204 | 1.0, 0.0, 0.0, -1.0, |
| 205 | (float)(leftPosition + 85 * multiple) * m_outputHScale, |
| 206 | (float)(m_Height - iTextHeight + iFontSize)); |
| 207 | if (matrix) |
| 208 | affine_matrix1.Concat(*matrix); |
| 209 | device->DrawNormalText(iLen, &charpos[11], m_pFont.Get(), |
| 210 | static_cast<float>(iFontSize), &affine_matrix1, |
| 211 | m_fontColor, FXTEXT_CLEARTYPE); |
| 212 | } |
| 213 | return true; |
| 214 | } |