Organize barcode codes into modules.

xfa/src/fxbarcode/src/BC_OnedCode39Writer.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 2010 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_OneDimWriter.h"
-#include "include/BC_OnedCode39Reader.h"
-#include "include/BC_OnedCode39Writer.h"
-#include "include/BC_CommonBitMatrix.h"
-CBC_OnedCode39Writer::CBC_OnedCode39Writer()
-{
-    m_extendedMode = FALSE;
-    m_iWideNarrRatio = 3;
-}
-CBC_OnedCode39Writer::CBC_OnedCode39Writer(FX_BOOL extendedMode)
-{
-    m_iWideNarrRatio = 3;
-    m_extendedMode = extendedMode;
-}
-CBC_OnedCode39Writer::~CBC_OnedCode39Writer()
-{
-}
-FX_BOOL CBC_OnedCode39Writer::CheckContentValidity(FX_WSTR contents)
-{
-    if (m_extendedMode) {
-        return CheckExtendedContentValidity(contents);
-    }
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
-                || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*'
-                || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
-            continue;
-        }
-        return FALSE;
-    }
-    return TRUE;
-}
-FX_BOOL CBC_OnedCode39Writer::CheckExtendedContentValidity(FX_WSTR contents)
-{
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if (ch > 127) {
-            return FALSE;
-        }
-    }
-    return TRUE;
-}
-CFX_WideString CBC_OnedCode39Writer::FilterContents(FX_WSTR contents)
-{
-    if (m_extendedMode) {
-        return FilterExtendedContents(contents);
-    }
-    CFX_WideString filtercontents;
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
-            continue;
-        }
-        if(ch > 175) {
-            i++;
-            continue;
-        } else {
-            ch = Upper(ch);
-        }
-        if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
-                || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.' || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*'
-                || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/' || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
-            filtercontents += ch;
-        }
-    }
-    return filtercontents;
-}
-CFX_WideString CBC_OnedCode39Writer::FilterExtendedContents(FX_WSTR contents)
-{
-    CFX_WideString filtercontents;
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
-            continue;
-        }
-        if(ch > 175) {
-            i++;
-            continue;
-        }
-        if (ch > 127 && ch < 176) {
-            continue;
-        }
-        if (ch == 0) {
-            filtercontents += '%';
-            filtercontents += 'U';
-        } else if(ch >= 1 && ch <= 26) {
-            filtercontents += '$';
-            filtercontents += (ch + 64);
-        } else if (ch >= 27 && ch <= 31) {
-            filtercontents += '%';
-            filtercontents += (ch + 38);
-        } else if (ch >= 33 && ch <= 47 && ch != 45 && ch != 46) {
-            filtercontents += '/';
-            filtercontents += (ch + 32);
-        } else if (ch == 58) {
-            filtercontents += '/';
-            filtercontents += 'Z';
-        } else if (ch >= 59 && ch <= 63) {
-            filtercontents += '%';
-            filtercontents += ch + 11;
-        } else if (ch == 64) {
-            filtercontents += '%';
-            filtercontents += 'V';
-        } else if (ch >= 91 && ch <= 95) {
-            filtercontents += '%';
-            filtercontents += ch - 16;
-        } else if (ch == 96) {
-            filtercontents += '%';
-            filtercontents += 'W';
-        } else if (ch >= 97 && ch <= 122) {
-            filtercontents += '+';
-            filtercontents += ch - 32;
-        } else if (ch >= 123 && ch <= 126) {
-            filtercontents += '%';
-            filtercontents += ch - 43;
-        } else if (ch == 127) {
-            filtercontents += '%';
-            filtercontents += 'T';
-        } else {
-            filtercontents += ch;
-        }
-    }
-    return filtercontents;
-}
-CFX_WideString CBC_OnedCode39Writer::RenderTextContents(FX_WSTR contents)
-{
-    if (m_extendedMode) {
-        return RenderExtendedTextContents(contents);
-    }
-    CFX_WideString renderContents;
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
-            continue;
-        }
-        if(ch > 175) {
-            i++;
-            continue;
-        }
-        if ((ch >= (FX_WCHAR)'0' && ch <= (FX_WCHAR)'9') || (ch >= (FX_WCHAR)'A' && ch <= (FX_WCHAR)'Z')
-                || (ch >= (FX_WCHAR)'a' && ch <= (FX_WCHAR)'z') || ch == (FX_WCHAR)'-' || ch == (FX_WCHAR)'.'
-                || ch == (FX_WCHAR)' ' || ch == (FX_WCHAR)'*' || ch == (FX_WCHAR)'$' || ch == (FX_WCHAR)'/'
-                || ch == (FX_WCHAR)'+' || ch == (FX_WCHAR)'%') {
-            renderContents += ch;
-        }
-    }
-    return renderContents;
-}
-CFX_WideString CBC_OnedCode39Writer::RenderExtendedTextContents(FX_WSTR contents)
-{
-    CFX_WideString renderContents;
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_WCHAR ch = contents.GetAt(i);
-        if ( ch == (FX_WCHAR)'*' && (i == 0 || i == contents.GetLength() - 1) ) {
-            continue;
-        }
-        if(ch > 175) {
-            i++;
-            continue;
-        }
-        if (ch > 127 && ch < 176) {
-            continue;
-        }
-        renderContents += ch;
-    }
-    return renderContents;
-}
-FX_BOOL CBC_OnedCode39Writer::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_OnedCode39Writer::SetWideNarrowRatio(FX_INT32 ratio)
-{
-    if ( ratio < 2 || ratio > 3) {
-        return FALSE;
-    }
-    m_iWideNarrRatio = ratio;
-    return TRUE;
-}
-FX_BYTE *CBC_OnedCode39Writer::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_OnedCode39Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
-{
-    if(format != BCFORMAT_CODE_39) {
-        e = BCExceptionOnlyEncodeCODE_39;
-        return NULL;
-    }
-    FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-    return ret;
-}
-void CBC_OnedCode39Writer::ToIntArray(FX_INT32 a, FX_INT32 *toReturn)
-{
-    for(FX_INT32 i = 0; i < 9; i++) {
-        toReturn[i] = (a & (1 << i) ) == 0 ? 1 : m_iWideNarrRatio;
-    }
-}
-FX_CHAR CBC_OnedCode39Writer::CalcCheckSum(const CFX_ByteString &contents, FX_INT32 &e)
-{
-    FX_INT32 length = contents.GetLength();
-    if (length > 80) {
-        e = BCExceptionContentsLengthShouldBetween1and80;
-        return '*';
-    }
-    FX_INT32 checksum = 0;
-    FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING);
-    for(FX_INT32 i = 0; i < contents.GetLength(); i++) {
-        FX_INT32 j = 0;
-        for (; j < len; j++) {
-            if (CBC_OnedCode39Reader::ALPHABET_STRING[j] == contents[i]) {
-                if(contents[i] != '*') {
-                    checksum += j;
-                    break;
-                } else {
-                    break;
-                }
-            }
-        }
-        if (j >= len) {
-            e = BCExceptionUnSupportedString;
-            return '*';
-        }
-    }
-    checksum = checksum % 43;
-    return CBC_OnedCode39Reader::CHECKSUM_STRING[checksum];
-}
-FX_BYTE *CBC_OnedCode39Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outlength , FX_INT32 &e)
-{
-    FX_CHAR checksum = CalcCheckSum(contents, e);
-    if (checksum == '*') {
-        return NULL;
-    }
-    FX_INT32 widths[9] = {0};
-    FX_INT32 wideStrideNum = 3;
-    FX_INT32 narrStrideNum = 9 - wideStrideNum;
-    CFX_ByteString encodedContents = contents;
-    if ( m_bCalcChecksum ) {
-        encodedContents += checksum;
-    }
-    m_iContentLen = encodedContents.GetLength();
-    FX_INT32 codeWidth = (wideStrideNum * m_iWideNarrRatio + narrStrideNum) * 2 + 1 + m_iContentLen;
-    FX_INT32 len = (FX_INT32)strlen(CBC_OnedCode39Reader::ALPHABET_STRING);
-    for (FX_INT32 j = 0; j < m_iContentLen; j++) {
-        for (FX_INT32 i = 0; i < len; i++) {
-            if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[j]) {
-                ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths);
-                for(FX_INT32 k = 0; k < 9; k++) {
-                    codeWidth += widths[k];
-                }
-            }
-        }
-    }
-    outlength = codeWidth;
-    FX_BYTE *result = FX_Alloc(FX_BYTE, codeWidth);
-    ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths);
-    FX_INT32 pos = AppendPattern(result, 0, widths, 9, 1 , e);
-    if (e != BCExceptionNO) {
-        FX_Free (result);
-        return NULL;
-    }
-    FX_INT32 narrowWhite[] = {1};
-    pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
-    if (e != BCExceptionNO) {
-        FX_Free (result);
-        return NULL;
-    }
-    for(FX_INT32 l = m_iContentLen - 1; l >= 0; l--) {
-        for (FX_INT32 i = 0; i < len; i++) {
-            if (CBC_OnedCode39Reader::ALPHABET_STRING[i] == encodedContents[l]) {
-                ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[i], widths);
-                pos += AppendPattern(result, pos, widths, 9, 1, e);
-                if (e != BCExceptionNO) {
-                    FX_Free (result);
-                    return NULL;
-                }
-            }
-        }
-        pos += AppendPattern(result, pos, narrowWhite, 1, 0, e);
-        if (e != BCExceptionNO) {
-            FX_Free (result);
-            return NULL;
-        }
-    }
-    ToIntArray(CBC_OnedCode39Reader::CHARACTER_ENCODINGS[39], widths);
-    pos += AppendPattern(result, pos, widths, 9, 1, e);
-    if (e != BCExceptionNO) {
-        FX_Free (result);
-        return NULL;
-    }
-    for (FX_INT32 i = 0; i < codeWidth / 2; i++) {
-        result[i] ^= result[codeWidth - 1 - i];
-        result[codeWidth - 1 - i] ^= result[i];
-        result[i] ^= result[codeWidth - 1 - i];
-    }
-    return result;
-}
-CFX_WideString CBC_OnedCode39Writer::encodedContents(FX_WSTR contents, FX_INT32 &e)
-{
-    CFX_WideString encodedContents = contents;
-    if (m_bCalcChecksum && m_bPrintChecksum) {
-        CFX_WideString checksumContent = FilterContents(contents);
-        CFX_ByteString str = checksumContent.UTF8Encode();
-        FX_CHAR checksum;
-        checksum = CalcCheckSum(str, e);
-        BC_EXCEPTION_CHECK_ReturnValue(e, FX_WSTRC(L""));
-        str += checksum;
-        encodedContents += checksum;
-    }
-    return encodedContents;
-}
-void CBC_OnedCode39Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e)
-{
-    CFX_WideString encodedCon = encodedContents(contents, e);
-    BC_EXCEPTION_CHECK_ReturnVoid(e);
-    CBC_OneDimWriter::RenderResult(encodedCon, code, codeLength, isDevice, e);
-}