// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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// Original code is licensed as follows:
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/*
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* Copyright 2009 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "xfa/fxbarcode/BC_Writer.h"
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#include "xfa/fxbarcode/oned/BC_OneDimWriter.h"
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#include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
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namespace {
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const int32_t FIRST_DIGIT_ENCODINGS[10] = {0x00, 0x0B, 0x0D, 0xE, 0x13,
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0x19, 0x1C, 0x15, 0x16, 0x1A};
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const int32_t START_END_PATTERN[3] = {1, 1, 1};
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const int32_t MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
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const int32_t L_PATTERNS[10][4] = {
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{3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
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{1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
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const int32_t L_AND_G_PATTERNS[20][4] = {
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{3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
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{1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2},
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{1, 1, 2, 3}, {1, 2, 2, 2}, {2, 2, 1, 2}, {1, 1, 4, 1}, {2, 3, 1, 1},
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{1, 3, 2, 1}, {4, 1, 1, 1}, {2, 1, 3, 1}, {3, 1, 2, 1}, {2, 1, 1, 3}};
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} // namespace
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CBC_OnedEAN13Writer::CBC_OnedEAN13Writer() {
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m_bLeftPadding = TRUE;
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m_codeWidth = 3 + (7 * 6) + 5 + (7 * 6) + 3;
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}
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CBC_OnedEAN13Writer::~CBC_OnedEAN13Writer() {}
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FX_BOOL CBC_OnedEAN13Writer::CheckContentValidity(
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const CFX_WideStringC& contents) {
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for (int32_t i = 0; i < contents.GetLength(); i++) {
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if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') {
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continue;
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} else {
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return FALSE;
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}
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}
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return TRUE;
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}
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CFX_WideString CBC_OnedEAN13Writer::FilterContents(
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const CFX_WideStringC& contents) {
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CFX_WideString filtercontents;
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FX_WCHAR ch;
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for (int32_t i = 0; i < contents.GetLength(); i++) {
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ch = contents.GetAt(i);
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if (ch > 175) {
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i++;
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continue;
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}
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if (ch >= '0' && ch <= '9') {
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filtercontents += ch;
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}
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}
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return filtercontents;
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}
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int32_t CBC_OnedEAN13Writer::CalcChecksum(const CFX_ByteString& contents) {
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int32_t odd = 0;
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int32_t even = 0;
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int32_t j = 1;
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for (int32_t i = contents.GetLength() - 1; i >= 0; i--) {
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if (j % 2) {
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odd += FXSYS_atoi(contents.Mid(i, 1).c_str());
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} else {
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even += FXSYS_atoi(contents.Mid(i, 1).c_str());
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}
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j++;
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}
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int32_t checksum = (odd * 3 + even) % 10;
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checksum = (10 - checksum) % 10;
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return (checksum);
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}
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uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
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BCFORMAT format,
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int32_t& outWidth,
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int32_t& outHeight,
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int32_t& e) {
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uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e);
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BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
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return ret;
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}
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uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
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BCFORMAT format,
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int32_t& outWidth,
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int32_t& outHeight,
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int32_t hints,
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int32_t& e) {
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if (format != BCFORMAT_EAN_13) {
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e = BCExceptionOnlyEncodeEAN_13;
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}
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uint8_t* ret =
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CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
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BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
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return ret;
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}
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uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
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int32_t& outLength,
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int32_t& e) {
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if (contents.GetLength() != 13) {
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e = BCExceptionDigitLengthShould13;
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return nullptr;
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}
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m_iDataLenth = 13;
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int32_t firstDigit = FXSYS_atoi(contents.Mid(0, 1).c_str());
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int32_t parities = FIRST_DIGIT_ENCODINGS[firstDigit];
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outLength = m_codeWidth;
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uint8_t* result = FX_Alloc(uint8_t, m_codeWidth);
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int32_t pos = 0;
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pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
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if (e != BCExceptionNO) {
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FX_Free(result);
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return nullptr;
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}
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int32_t i = 0;
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for (i = 1; i <= 6; i++) {
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int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
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if ((parities >> (6 - i) & 1) == 1) {
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digit += 10;
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}
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pos += AppendPattern(result, pos, L_AND_G_PATTERNS[digit], 4, 0, e);
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if (e != BCExceptionNO) {
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FX_Free(result);
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return nullptr;
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}
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}
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pos += AppendPattern(result, pos, MIDDLE_PATTERN, 5, 0, e);
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if (e != BCExceptionNO) {
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FX_Free(result);
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return nullptr;
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}
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for (i = 7; i <= 12; i++) {
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int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
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pos += AppendPattern(result, pos, L_PATTERNS[digit], 4, 1, e);
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if (e != BCExceptionNO) {
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FX_Free(result);
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return nullptr;
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}
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}
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pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
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if (e != BCExceptionNO) {
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FX_Free(result);
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return nullptr;
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}
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return result;
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}
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void CBC_OnedEAN13Writer::ShowChars(const CFX_WideStringC& contents,
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CFX_DIBitmap* pOutBitmap,
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CFX_RenderDevice* device,
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const CFX_Matrix* matrix,
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int32_t barWidth,
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int32_t multiple,
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int32_t& e) {
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if (!device && !pOutBitmap) {
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e = BCExceptionIllegalArgument;
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return;
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}
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int32_t leftPadding = 7 * multiple;
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int32_t leftPosition = 3 * multiple + leftPadding;
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CFX_ByteString str = FX_UTF8Encode(contents);
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int32_t iLen = str.GetLength();
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FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
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FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen);
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CFX_FxgeDevice geBitmap;
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if (pOutBitmap)
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geBitmap.Attach(pOutBitmap, false, nullptr, false);
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int32_t iFontSize = (int32_t)fabs(m_fFontSize);
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int32_t iTextHeight = iFontSize + 1;
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CFX_ByteString tempStr = str.Mid(1, 6);
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int32_t strWidth = multiple * 42;
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if (!pOutBitmap) {
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CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
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CFX_FloatRect rect(
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(FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight),
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(FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height);
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matr.Concat(*matrix);
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matr.TransformRect(rect);
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FX_RECT re = rect.GetOutterRect();
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device->FillRect(&re, m_backgroundColor);
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CFX_FloatRect rect1(
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(FX_FLOAT)(leftPosition + 47 * multiple),
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(FX_FLOAT)(m_Height - iTextHeight),
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(FX_FLOAT)(leftPosition + 47 * multiple + strWidth - 0.5),
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(FX_FLOAT)m_Height);
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CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
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matr1.Concat(*matrix);
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matr1.TransformRect(rect1);
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re = rect1.GetOutterRect();
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device->FillRect(&re, m_backgroundColor);
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int32_t strWidth1 = multiple * 7;
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CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
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CFX_FloatRect rect2(0.0f, (FX_FLOAT)(m_Height - iTextHeight),
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(FX_FLOAT)strWidth1 - 0.5f, (FX_FLOAT)m_Height);
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matr2.Concat(*matrix);
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matr2.TransformRect(rect2);
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re = rect2.GetOutterRect();
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device->FillRect(&re, m_backgroundColor);
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}
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FX_FLOAT blank = 0.0;
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iLen = tempStr.GetLength();
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if (!pOutBitmap) {
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strWidth = (int32_t)(strWidth * m_outputHScale);
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}
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CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize,
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blank);
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CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
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CFX_FxgeDevice ge;
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if (pOutBitmap) {
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ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
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FX_RECT rect(0, 0, strWidth, iTextHeight);
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ge.FillRect(&rect, m_backgroundColor);
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ge.DrawNormalText(iLen, pCharPos + 1, m_pFont,
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CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
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&affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
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geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
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} else {
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CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
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(FX_FLOAT)leftPosition * m_outputHScale,
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(FX_FLOAT)(m_Height - iTextHeight) + iFontSize);
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if (matrix) {
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affine_matrix1.Concat(*matrix);
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}
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device->DrawNormalText(
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iLen, pCharPos + 1, m_pFont, CFX_GEModule::Get()->GetFontCache(),
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(FX_FLOAT)iFontSize, &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE);
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}
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tempStr = str.Mid(7, 6);
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iLen = tempStr.GetLength();
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CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize,
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blank);
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if (pOutBitmap) {
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FX_RECT rect1(0, 0, strWidth, iTextHeight);
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ge.FillRect(&rect1, m_backgroundColor);
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ge.DrawNormalText(iLen, pCharPos + 7, m_pFont,
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CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
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&affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
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geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple,
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m_Height - iTextHeight);
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} else {
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CFX_Matrix affine_matrix1(
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1.0, 0.0, 0.0, -1.0,
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(FX_FLOAT)(leftPosition + 47 * multiple) * m_outputHScale,
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(FX_FLOAT)(m_Height - iTextHeight + iFontSize));
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if (matrix) {
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affine_matrix1.Concat(*matrix);
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}
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device->DrawNormalText(
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iLen, pCharPos + 7, m_pFont, CFX_GEModule::Get()->GetFontCache(),
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(FX_FLOAT)iFontSize, &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE);
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}
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tempStr = str.Mid(0, 1);
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iLen = tempStr.GetLength();
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strWidth = multiple * 7;
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if (!pOutBitmap)
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strWidth = (int32_t)(strWidth * m_outputHScale);
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CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize,
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blank);
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if (pOutBitmap) {
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delete ge.GetBitmap();
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ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
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ge.GetBitmap()->Clear(m_backgroundColor);
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ge.DrawNormalText(iLen, pCharPos, m_pFont,
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CFX_GEModule::Get()->GetFontCache(), (FX_FLOAT)iFontSize,
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&affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
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geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight);
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} else {
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CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0.0,
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(FX_FLOAT)(m_Height - iTextHeight + iFontSize));
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if (matrix) {
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affine_matrix1.Concat(*matrix);
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}
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device->DrawNormalText(
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iLen, pCharPos, m_pFont, CFX_GEModule::Get()->GetFontCache(),
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(FX_FLOAT)iFontSize, &affine_matrix1, m_fontColor, FXTEXT_CLEARTYPE);
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}
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FX_Free(pCharPos);
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}
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void CBC_OnedEAN13Writer::RenderResult(const CFX_WideStringC& contents,
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uint8_t* code,
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int32_t codeLength,
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FX_BOOL isDevice,
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int32_t& e) {
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CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
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}
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