// 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 2011 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/common/BC_CommonBitArray.h"
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#include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
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#include "xfa/fxbarcode/oned/BC_OneDimWriter.h"
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#include "xfa/fxbarcode/oned/BC_OnedCodaBarWriter.h"
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namespace {
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const FX_CHAR ALPHABET_STRING[] = "0123456789-$:/.+ABCDTN";
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const int32_t CHARACTER_ENCODINGS[22] = {
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0x003, 0x006, 0x009, 0x060, 0x012, 0x042, 0x021, 0x024,
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0x030, 0x048, 0x00c, 0x018, 0x045, 0x051, 0x054, 0x015,
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0x01A, 0x029, 0x00B, 0x00E, 0x01A, 0x029};
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const FX_CHAR START_END_CHARS[] = {'A', 'B', 'C', 'D', 'T', 'N', '*', 'E',
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'a', 'b', 'c', 'd', 't', 'n', 'e'};
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const FX_CHAR CONTENT_CHARS[] = {'0', '1', '2', '3', '4', '5', '6', '7',
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'8', '9', '-', '$', '/', ':', '+', '.'};
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} // namespace
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CBC_OnedCodaBarWriter::CBC_OnedCodaBarWriter() {
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m_chStart = 'A';
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m_chEnd = 'B';
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m_iWideNarrRatio = 2;
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}
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CBC_OnedCodaBarWriter::~CBC_OnedCodaBarWriter() {}
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FX_BOOL CBC_OnedCodaBarWriter::SetStartChar(FX_CHAR start) {
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for (size_t i = 0; i < FX_ArraySize(START_END_CHARS); ++i) {
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if (START_END_CHARS[i] == start) {
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m_chStart = start;
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return TRUE;
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}
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}
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return FALSE;
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}
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FX_BOOL CBC_OnedCodaBarWriter::SetEndChar(FX_CHAR end) {
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for (size_t i = 0; i < FX_ArraySize(START_END_CHARS); ++i) {
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if (START_END_CHARS[i] == end) {
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m_chEnd = end;
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return TRUE;
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}
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}
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return FALSE;
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}
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void CBC_OnedCodaBarWriter::SetDataLength(int32_t length) {
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m_iDataLenth = length + 2;
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}
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FX_BOOL CBC_OnedCodaBarWriter::SetTextLocation(BC_TEXT_LOC location) {
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if (location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
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return FALSE;
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}
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m_locTextLoc = location;
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return TRUE;
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}
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FX_BOOL CBC_OnedCodaBarWriter::SetWideNarrowRatio(int32_t ratio) {
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if (ratio < 2 || ratio > 3) {
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return FALSE;
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}
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m_iWideNarrRatio = ratio;
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return TRUE;
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}
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FX_BOOL CBC_OnedCodaBarWriter::FindChar(FX_WCHAR ch, FX_BOOL isContent) {
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if (isContent) {
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for (size_t i = 0; i < FX_ArraySize(CONTENT_CHARS); ++i) {
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if (ch == (FX_WCHAR)CONTENT_CHARS[i]) {
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return TRUE;
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}
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}
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for (size_t j = 0; j < FX_ArraySize(START_END_CHARS); ++j) {
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if (ch == (FX_WCHAR)START_END_CHARS[j]) {
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return TRUE;
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}
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}
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return FALSE;
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} else {
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for (size_t i = 0; i < FX_ArraySize(CONTENT_CHARS); ++i) {
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if (ch == (FX_WCHAR)CONTENT_CHARS[i]) {
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return TRUE;
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}
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}
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return FALSE;
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}
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}
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FX_BOOL CBC_OnedCodaBarWriter::CheckContentValidity(
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const CFX_WideStringC& contents) {
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FX_WCHAR ch;
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int32_t index = 0;
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for (index = 0; index < contents.GetLength(); index++) {
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ch = contents.GetAt(index);
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if (FindChar(ch, FALSE)) {
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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_OnedCodaBarWriter::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 index = 0; index < contents.GetLength(); index++) {
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ch = contents.GetAt(index);
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if (ch > 175) {
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index++;
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continue;
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}
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if (FindChar(ch, TRUE)) {
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filtercontents += ch;
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} else {
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continue;
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}
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}
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return filtercontents;
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}
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uint8_t* CBC_OnedCodaBarWriter::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_OnedCodaBarWriter::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_CODABAR) {
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e = BCExceptionOnlyEncodeCODEBAR;
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return nullptr;
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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_OnedCodaBarWriter::Encode(const CFX_ByteString& contents,
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int32_t& outLength,
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int32_t& e) {
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CFX_ByteString data = m_chStart + contents + m_chEnd;
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m_iContentLen = data.GetLength();
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uint8_t* result = FX_Alloc2D(uint8_t, m_iWideNarrRatio * 7, data.GetLength());
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FX_CHAR ch;
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int32_t position = 0;
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for (int32_t index = 0; index < data.GetLength(); index++) {
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ch = data.GetAt(index);
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if (((ch >= 'a') && (ch <= 'z'))) {
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ch = ch - 32;
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}
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switch (ch) {
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case 'T':
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ch = 'A';
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break;
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case 'N':
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ch = 'B';
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break;
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case '*':
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ch = 'C';
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break;
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case 'E':
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ch = 'D';
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break;
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default:
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break;
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}
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int32_t code = 0;
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int32_t len = (int32_t)strlen(ALPHABET_STRING);
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for (int32_t i = 0; i < len; i++) {
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if (ch == ALPHABET_STRING[i]) {
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code = CHARACTER_ENCODINGS[i];
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break;
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}
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}
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uint8_t color = 1;
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int32_t counter = 0;
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int32_t bit = 0;
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while (bit < 7) {
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result[position] = color;
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position++;
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if (((code >> (6 - bit)) & 1) == 0 || counter == m_iWideNarrRatio - 1) {
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color = !color;
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bit++;
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counter = 0;
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} else {
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counter++;
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}
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}
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if (index < data.GetLength() - 1) {
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result[position] = 0;
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position++;
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}
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}
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outLength = position;
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return result;
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}
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CFX_WideString CBC_OnedCodaBarWriter::encodedContents(
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const CFX_WideStringC& contents) {
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CFX_WideString strStart(m_chStart);
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CFX_WideString strEnd(m_chEnd);
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return strStart + contents + strEnd;
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}
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void CBC_OnedCodaBarWriter::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(encodedContents(contents).AsStringC(), code,
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codeLength, isDevice, e);
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}
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