Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_OnedCodaBarWriter.cpp

-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-// Original code is licensed as follows:
-/*
- * Copyright 2011 ZXing authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "barcode.h"
-#include "include/BC_Writer.h"
-#include "include/BC_Reader.h"
-#include "include/BC_OneDReader.h"
-#include "include/BC_CommonBitArray.h"
-#include "include/BC_OneDimWriter.h"
-#include "include/BC_OnedCodaBarReader.h"
-#include "include/BC_OnedCodaBarWriter.h"
-#include "include/BC_CommonBitMatrix.h"
-const FX_CHAR CBC_OnedCodaBarWriter::START_END_CHARS[] = {'A', 'B', 'C', 'D', 'T', 'N', '*', 'E', 'a', 'b', 'c', 'd', 't', 'n', 'e'};
-const FX_CHAR CBC_OnedCodaBarWriter::CONTENT_CHARS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '$', '/', ':', '+', '.'};
-CBC_OnedCodaBarWriter::CBC_OnedCodaBarWriter()
-{
-    m_chStart                   = 'A';
-    m_chEnd                             = 'B';
-    m_iWideNarrRatio    = 2;
-}
-CBC_OnedCodaBarWriter::~CBC_OnedCodaBarWriter()
-{
-}
-FX_BOOL CBC_OnedCodaBarWriter::SetStartChar(FX_CHAR start)
-{
-    for (FX_INT32 i = 0; i < sizeof(START_END_CHARS) / sizeof(FX_CHAR); i++) {
-        if (START_END_CHARS[i] == start) {
-            m_chStart = start;
-            return TRUE;
-        }
-    }
-    return FALSE;
-}
-FX_BOOL CBC_OnedCodaBarWriter::SetEndChar(FX_CHAR end)
-{
-    for (FX_INT32 i = 0; i < sizeof(START_END_CHARS) / sizeof(FX_CHAR); i++) {
-        if (START_END_CHARS[i] == end) {
-            m_chEnd = end;
-            return TRUE;
-        }
-    }
-    return FALSE;
-}
-void CBC_OnedCodaBarWriter::SetDataLength(FX_INT32 length)
-{
-    m_iDataLenth = length + 2;
-}
-FX_BOOL CBC_OnedCodaBarWriter::SetTextLocation(BC_TEXT_LOC location)
-{
-    if ( location < BC_TEXT_LOC_NONE || location > BC_TEXT_LOC_BELOWEMBED) {
-        return FALSE;
-    }
-    m_locTextLoc = location;
-    return TRUE;
-}
-FX_BOOL CBC_OnedCodaBarWriter::SetWideNarrowRatio(FX_INT32 ratio)
-{
-    if(ratio < 2 || ratio > 3) {
-        return FALSE;
-    }
-    m_iWideNarrRatio = ratio;
-    return TRUE;
-}
-FX_BOOL CBC_OnedCodaBarWriter::FindChar(FX_WCHAR ch, FX_BOOL isContent)
-{
-    if(isContent) {
-        for(FX_INT32 i = 0 ; i < sizeof(CONTENT_CHARS) / sizeof(FX_CHAR) ; i++) {
-            if(ch == (FX_WCHAR)CONTENT_CHARS[i]) {
-                return TRUE;
-            }
-        }
-        for(FX_INT32 j = 0 ; j < sizeof(START_END_CHARS) / sizeof(FX_CHAR) ; j++) {
-            if(ch == (FX_WCHAR)START_END_CHARS[j]) {
-                return TRUE;
-            }
-        }
-        return FALSE;
-    } else {
-        for(FX_INT32 i = 0 ; i < sizeof(CONTENT_CHARS) / sizeof(FX_CHAR) ; i++) {
-            if(ch == (FX_WCHAR)CONTENT_CHARS[i]) {
-                return TRUE;
-            }
-        }
-        return FALSE;
-    }
-}
-FX_BOOL CBC_OnedCodaBarWriter::CheckContentValidity(FX_WSTR contents)
-{
-    FX_WCHAR ch;
-    FX_INT32 index = 0;
-    for (index = 0; index < contents.GetLength(); index++) {
-        ch = contents.GetAt(index);
-        if (FindChar(ch, FALSE)) {
-            continue;
-        } else {
-            return FALSE;
-        }
-    }
-    return TRUE;
-}
-CFX_WideString CBC_OnedCodaBarWriter::FilterContents(FX_WSTR contents)
-{
-    CFX_WideString filtercontents;
-    FX_WCHAR ch;
-    for (FX_INT32 index = 0; index < contents.GetLength(); index ++) {
-        ch = contents.GetAt(index);
-        if(ch > 175) {
-            index++;
-            continue;
-        }
-        if (FindChar(ch, TRUE)) {
-            filtercontents += ch;
-        } else {
-            continue;
-        }
-    }
-    return filtercontents;
-}
-FX_BYTE *CBC_OnedCodaBarWriter::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 &e)
-{
-    FX_BYTE *ret = Encode(contents, format, outWidth, outHeight, 0 , e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return ret;
-}
-FX_BYTE *CBC_OnedCodaBarWriter::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
-{
-    if(format != BCFORMAT_CODABAR) {
-        e = BCExceptionOnlyEncodeCODEBAR;
-        return NULL;
-    }
-    FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return ret;
-}
-FX_BYTE* CBC_OnedCodaBarWriter::Encode(const CFX_ByteString &contents, FX_INT32 &outLength, FX_INT32 &e)
-{
-    CBC_OnedCodaBarReader CodaBarR;
-    CFX_ByteString data = m_chStart + contents + m_chEnd;
-    m_iContentLen = data.GetLength();
-    FX_BYTE *result = FX_Alloc(FX_BYTE, m_iWideNarrRatio * 7 * data.GetLength());
-    FX_CHAR ch;
-    FX_INT32 position = 0;
-    for (FX_INT32 index = 0; index < data.GetLength(); index++) {
-        ch = data.GetAt(index);
-        if (((ch >= 'a') && (ch <= 'z'))) {
-            ch = ch - 32;
-        }
-        switch (ch) {
-            case 'T':
-                ch = 'A';
-                break;
-            case 'N':
-                ch = 'B';
-                break;
-            case '*':
-                ch = 'C';
-                break;
-            case 'E':
-                ch = 'D';
-                break;
-            default:
-                break;
-        }
-        FX_INT32 code = 0;
-        FX_INT32 len =  (FX_INT32)strlen(CodaBarR.ALPHABET_STRING);
-        for (FX_INT32 i = 0; i < len; i++) {
-            if (ch == CodaBarR.ALPHABET_STRING[i]) {
-                code = CodaBarR.CHARACTER_ENCODINGS[i];
-                break;
-            }
-        }
-        FX_BYTE color = 1;
-        FX_INT32 counter = 0;
-        FX_INT32 bit = 0;
-        while (bit < 7) {
-            result[position] = color;
-            position++;
-            if (((code >> (6 - bit)) & 1) == 0 || counter == m_iWideNarrRatio - 1) {
-                color = !color;
-                bit++;
-                counter = 0;
-            } else {
-                counter++;
-            }
-        }
-        if (index < data.GetLength() - 1) {
-            result[position] = 0;
-            position ++;
-        }
-    }
-    outLength = position;
-    return result;
-}
-CFX_WideString CBC_OnedCodaBarWriter::encodedContents(FX_WSTR contents)
-{
-    CFX_WideString strStart(m_chStart);
-    CFX_WideString strEnd(m_chEnd);
-    return strStart + contents + strEnd;
-}
-void CBC_OnedCodaBarWriter::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e)
-{
-    CBC_OneDimWriter::RenderResult(encodedContents(contents), code, codeLength, isDevice, e);
-}