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// 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 2009 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 "../BC_Writer.h"
#include "../BC_Reader.h"
#include "BC_OneDReader.h"
#include "BC_OneDimReader.h"
#include "BC_OneDimWriter.h"
#include "BC_OnedEAN13Reader.h"
#include "BC_OnedEAN13Writer.h"
CBC_OnedEAN13Writer::CBC_OnedEAN13Writer()
{
m_bLeftPadding = TRUE;
m_codeWidth = 3 +
(7 * 6) +
5 +
(7 * 6) +
3;
}
CBC_OnedEAN13Writer::~CBC_OnedEAN13Writer()
{
}
FX_BOOL CBC_OnedEAN13Writer::CheckContentValidity(FX_WSTR contents)
{
for (FX_INT32 i = 0; i < contents.GetLength(); i++) {
if (contents.GetAt(i) >= '0' && contents.GetAt(i) <= '9') {
continue;
} else {
return FALSE;
}
}
return TRUE;
}
CFX_WideString CBC_OnedEAN13Writer::FilterContents(FX_WSTR contents)
{
CFX_WideString filtercontents;
FX_WCHAR ch;
for (FX_INT32 i = 0; i < contents.GetLength(); i++) {
ch = contents.GetAt(i);
if(ch > 175) {
i++;
continue;
}
if (ch >= '0' && ch <= '9') {
filtercontents += ch;
}
}
return filtercontents;
}
FX_INT32 CBC_OnedEAN13Writer::CalcChecksum(const CFX_ByteString &contents)
{
FX_INT32 odd = 0;
FX_INT32 even = 0;
FX_INT32 j = 1;
for(FX_INT32 i = contents.GetLength() - 1; i >= 0; i--) {
if(j % 2) {
odd += FXSYS_atoi(contents.Mid(i, 1));
} else {
even += FXSYS_atoi(contents.Mid(i, 1));
}
j++;
}
FX_INT32 checksum = (odd * 3 + even) % 10;
checksum = (10 - checksum) % 10;
return (checksum);
}
FX_BYTE *CBC_OnedEAN13Writer::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_OnedEAN13Writer::Encode(const CFX_ByteString &contents, BCFORMAT format, FX_INT32 &outWidth, FX_INT32 &outHeight, FX_INT32 hints, FX_INT32 &e)
{
if(format != BCFORMAT_EAN_13) {
e = BCExceptionOnlyEncodeEAN_13;
}
FX_BYTE *ret = CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
return ret;
}
FX_BYTE *CBC_OnedEAN13Writer::Encode(const CFX_ByteString &contents, FX_INT32 &outLength, FX_INT32 &e)
{
if (contents.GetLength() != 13) {
e = BCExceptionDigitLengthShould13;
return NULL;
}
m_iDataLenth = 13;
FX_INT32 firstDigit = FXSYS_atoi(contents.Mid(0, 1));
FX_INT32 parities = CBC_OnedEAN13Reader::FIRST_DIGIT_ENCODINGS[firstDigit];
outLength = m_codeWidth;
FX_BYTE *result = FX_Alloc(FX_BYTE, m_codeWidth);
FX_INT32 pos = 0;
pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
FX_INT32 i = 0;
for ( i = 1; i <= 6; i++) {
FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1));
if ((parities >> (6 - i) & 1) == 1) {
digit += 10;
}
pos += AppendPattern(result, pos, CBC_OneDimReader::L_AND_G_PATTERNS[digit], 4, 0, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
}
pos += AppendPattern(result, pos, CBC_OneDimReader::MIDDLE_PATTERN, 5, 0, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
for (i = 7; i <= 12; i++) {
FX_INT32 digit = FXSYS_atoi(contents.Mid(i, 1));
pos += AppendPattern(result, pos, CBC_OneDimReader::L_PATTERNS[digit], 4, 1, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
}
pos += AppendPattern(result, pos, CBC_OneDimReader::START_END_PATTERN, 3, 1, e);
if (e != BCExceptionNO) {
FX_Free (result);
return NULL;
}
return result;
}
void CBC_OnedEAN13Writer::ShowChars(FX_WSTR contents, CFX_DIBitmap *pOutBitmap, CFX_RenderDevice* device, const CFX_Matrix* matrix, FX_INT32 barWidth, FX_INT32 multiple, FX_INT32 &e)
{
if (device == NULL && pOutBitmap == NULL) {
e = BCExceptionIllegalArgument;
return;
}
FX_INT32 leftPadding = 7 * multiple;
FX_INT32 leftPosition = 3 * multiple + leftPadding;
CFX_ByteString str = FX_UTF8Encode(contents);
FX_INT32 iLen = str.GetLength();
FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
if (!pCharPos) {
return;
}
FXSYS_memset32(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen);
CFX_FxgeDevice geBitmap;
if (pOutBitmap != NULL) {
geBitmap.Attach(pOutBitmap);
}
FX_INT32 iFontSize = (FX_INT32)fabs(m_fFontSize);
FX_INT32 iTextHeight = iFontSize + 1;
CFX_ByteString tempStr = str.Mid(1, 6);
FX_INT32 strWidth = multiple * 42;
if (pOutBitmap == NULL) {
CFX_Matrix matr(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
CFX_FloatRect rect((FX_FLOAT)leftPosition, (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)(leftPosition + strWidth - 0.5), (FX_FLOAT)m_Height);
matr.Concat(*matrix);
matr.TransformRect(rect);
FX_RECT re = rect.GetOutterRect();
device->FillRect(&re, m_backgroundColor);
CFX_FloatRect rect1((FX_FLOAT)(leftPosition + 47 * multiple), (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)(leftPosition + 47 * multiple + strWidth - 0.5), (FX_FLOAT)m_Height);
CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
matr1.Concat(*matrix);
matr1.TransformRect(rect1);
re = rect1.GetOutterRect();
device->FillRect(&re, m_backgroundColor);
FX_INT32 strWidth1 = multiple * 7;
CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
CFX_FloatRect rect2(0.0f, (FX_FLOAT)(m_Height - iTextHeight), (FX_FLOAT)strWidth1 - 0.5f, (FX_FLOAT)m_Height);
matr2.Concat(*matrix);
matr2.TransformRect(rect2);
re = rect2.GetOutterRect();
device->FillRect(&re, m_backgroundColor);
}
FX_FLOAT blank = 0.0;
FX_FLOAT charsWidth = 0;
iLen = tempStr.GetLength();
if (pOutBitmap == NULL) {
strWidth = (FX_INT32)(strWidth * m_outputHScale);
}
CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize, blank);
CFX_AffineMatrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
CFX_FxgeDevice ge;
if (pOutBitmap != NULL) {
ge.Create(strWidth, iTextHeight, FXDIB_Argb);
FX_RECT rect(0, 0, strWidth, iTextHeight);
ge.FillRect(&rect, m_backgroundColor);
ge.DrawNormalText(iLen,
pCharPos + 1,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
} else {
CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)leftPosition * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight) + iFontSize);
if (matrix != NULL) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen,
pCharPos + 1,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
tempStr = str.Mid(7, 6);
iLen = tempStr.GetLength();
charsWidth = 0.0f;
CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize, blank);
if(pOutBitmap != NULL) {
FX_RECT rect1(0, 0, strWidth, iTextHeight);
ge.FillRect(&rect1, m_backgroundColor);
ge.DrawNormalText(iLen,
pCharPos + 7,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple, m_Height - iTextHeight);
} else {
CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)(leftPosition + 47 * multiple) * m_outputHScale, (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
if (matrix != NULL) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen,
pCharPos + 7,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
tempStr = str.Mid(0, 1);
iLen = tempStr.GetLength();
strWidth = multiple * 7;
if (pOutBitmap == NULL) {
strWidth = (FX_INT32)(strWidth * m_outputHScale);
}
CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize, blank);
if(pOutBitmap != NULL) {
delete ge.GetBitmap();
ge.Create(strWidth, iTextHeight, FXDIB_Argb);
ge.GetBitmap()->Clear(m_backgroundColor);
ge.DrawNormalText(iLen,
pCharPos,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight);
} else {
CFX_AffineMatrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)(m_Height - iTextHeight + iFontSize));
if (matrix != NULL) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen,
pCharPos,
m_pFont,
CFX_GEModule::Get()->GetFontCache(),
(FX_FLOAT)iFontSize ,
(CFX_AffineMatrix *) &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
FX_Free(pCharPos);
}
void CBC_OnedEAN13Writer::RenderResult(FX_WSTR contents, FX_BYTE* code, FX_INT32 codeLength, FX_BOOL isDevice, FX_INT32 &e)
{
CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
}