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PL286/external/pdfium/xfa/fxbarcode/oned/BC_OnedEAN13Writer.cpp

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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 "core/fxge/cfx_fxgedevice.h"
#include "core/fxge/cfx_gemodule.h"
#include "xfa/fxbarcode/BC_Writer.h"
#include "xfa/fxbarcode/oned/BC_OneDimWriter.h"
#include "xfa/fxbarcode/oned/BC_OnedEAN13Writer.h"
namespace {
const int32_t FIRST_DIGIT_ENCODINGS[10] = {0x00, 0x0B, 0x0D, 0xE, 0x13,
0x19, 0x1C, 0x15, 0x16, 0x1A};
const int32_t START_END_PATTERN[3] = {1, 1, 1};
const int32_t MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
const int32_t L_PATTERNS[10][4] = {
{3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
{1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
const int32_t L_AND_G_PATTERNS[20][4] = {
{3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
{1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2},
{1, 1, 2, 3}, {1, 2, 2, 2}, {2, 2, 1, 2}, {1, 1, 4, 1}, {2, 3, 1, 1},
{1, 3, 2, 1}, {4, 1, 1, 1}, {2, 1, 3, 1}, {3, 1, 2, 1}, {2, 1, 1, 3}};
} // namespace
CBC_OnedEAN13Writer::CBC_OnedEAN13Writer() {
m_bLeftPadding = true;
m_codeWidth = 3 + (7 * 6) + 5 + (7 * 6) + 3;
}
CBC_OnedEAN13Writer::~CBC_OnedEAN13Writer() {}
bool CBC_OnedEAN13Writer::CheckContentValidity(
const CFX_WideStringC& contents) {
for (int32_t 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(
const CFX_WideStringC& contents) {
CFX_WideString filtercontents;
FX_WCHAR ch;
for (int32_t i = 0; i < contents.GetLength(); i++) {
ch = contents.GetAt(i);
if (ch > 175) {
i++;
continue;
}
if (ch >= '0' && ch <= '9') {
filtercontents += ch;
}
}
return filtercontents;
}
int32_t CBC_OnedEAN13Writer::CalcChecksum(const CFX_ByteString& contents) {
int32_t odd = 0;
int32_t even = 0;
int32_t j = 1;
for (int32_t i = contents.GetLength() - 1; i >= 0; i--) {
if (j % 2) {
odd += FXSYS_atoi(contents.Mid(i, 1).c_str());
} else {
even += FXSYS_atoi(contents.Mid(i, 1).c_str());
}
j++;
}
int32_t checksum = (odd * 3 + even) % 10;
checksum = (10 - checksum) % 10;
return (checksum);
}
uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t& e) {
uint8_t* ret = Encode(contents, format, outWidth, outHeight, 0, e);
if (e != BCExceptionNO)
return nullptr;
return ret;
}
uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
BCFORMAT format,
int32_t& outWidth,
int32_t& outHeight,
int32_t hints,
int32_t& e) {
if (format != BCFORMAT_EAN_13) {
e = BCExceptionOnlyEncodeEAN_13;
}
uint8_t* ret =
CBC_OneDimWriter::Encode(contents, format, outWidth, outHeight, hints, e);
if (e != BCExceptionNO)
return nullptr;
return ret;
}
uint8_t* CBC_OnedEAN13Writer::Encode(const CFX_ByteString& contents,
int32_t& outLength,
int32_t& e) {
if (contents.GetLength() != 13) {
e = BCExceptionDigitLengthShould13;
return nullptr;
}
m_iDataLenth = 13;
int32_t firstDigit = FXSYS_atoi(contents.Mid(0, 1).c_str());
int32_t parities = FIRST_DIGIT_ENCODINGS[firstDigit];
outLength = m_codeWidth;
uint8_t* result = FX_Alloc(uint8_t, m_codeWidth);
int32_t pos = 0;
pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
if (e != BCExceptionNO) {
FX_Free(result);
return nullptr;
}
int32_t i = 0;
for (i = 1; i <= 6; i++) {
int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
if ((parities >> (6 - i) & 1) == 1) {
digit += 10;
}
pos += AppendPattern(result, pos, L_AND_G_PATTERNS[digit], 4, 0, e);
if (e != BCExceptionNO) {
FX_Free(result);
return nullptr;
}
}
pos += AppendPattern(result, pos, MIDDLE_PATTERN, 5, 0, e);
if (e != BCExceptionNO) {
FX_Free(result);
return nullptr;
}
for (i = 7; i <= 12; i++) {
int32_t digit = FXSYS_atoi(contents.Mid(i, 1).c_str());
pos += AppendPattern(result, pos, L_PATTERNS[digit], 4, 1, e);
if (e != BCExceptionNO) {
FX_Free(result);
return nullptr;
}
}
pos += AppendPattern(result, pos, START_END_PATTERN, 3, 1, e);
if (e != BCExceptionNO) {
FX_Free(result);
return nullptr;
}
return result;
}
void CBC_OnedEAN13Writer::ShowChars(const CFX_WideStringC& contents,
CFX_DIBitmap* pOutBitmap,
CFX_RenderDevice* device,
const CFX_Matrix* matrix,
int32_t barWidth,
int32_t multiple,
int32_t& e) {
if (!device && !pOutBitmap) {
e = BCExceptionIllegalArgument;
return;
}
int32_t leftPadding = 7 * multiple;
int32_t leftPosition = 3 * multiple + leftPadding;
CFX_ByteString str = FX_UTF8Encode(contents);
int32_t iLen = str.GetLength();
FXTEXT_CHARPOS* pCharPos = FX_Alloc(FXTEXT_CHARPOS, iLen);
FXSYS_memset(pCharPos, 0, sizeof(FXTEXT_CHARPOS) * iLen);
CFX_FxgeDevice geBitmap;
if (pOutBitmap)
geBitmap.Attach(pOutBitmap, false, nullptr, false);
int32_t iFontSize = (int32_t)fabs(m_fFontSize);
int32_t iTextHeight = iFontSize + 1;
CFX_ByteString tempStr = str.Mid(1, 6);
int32_t strWidth = multiple * 42;
if (!pOutBitmap) {
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.GetOuterRect();
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.GetOuterRect();
device->FillRect(&re, m_backgroundColor);
int32_t 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.GetOuterRect();
device->FillRect(&re, m_backgroundColor);
}
FX_FLOAT blank = 0.0;
iLen = tempStr.GetLength();
if (!pOutBitmap) {
strWidth = (int32_t)(strWidth * m_outputHScale);
}
CalcTextInfo(tempStr, pCharPos + 1, m_pFont, (FX_FLOAT)strWidth, iFontSize,
blank);
CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, 0.0, (FX_FLOAT)iFontSize);
CFX_FxgeDevice ge;
if (pOutBitmap) {
ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
FX_RECT rect(0, 0, strWidth, iTextHeight);
ge.FillRect(&rect, m_backgroundColor);
ge.DrawNormalText(iLen, pCharPos + 1, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), leftPosition, m_Height - iTextHeight);
} else {
CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0,
(FX_FLOAT)leftPosition * m_outputHScale,
(FX_FLOAT)(m_Height - iTextHeight) + iFontSize);
if (matrix) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen, pCharPos + 1, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
tempStr = str.Mid(7, 6);
iLen = tempStr.GetLength();
CalcTextInfo(tempStr, pCharPos + 7, m_pFont, (FX_FLOAT)strWidth, iFontSize,
blank);
if (pOutBitmap) {
FX_RECT rect1(0, 0, strWidth, iTextHeight);
ge.FillRect(&rect1, m_backgroundColor);
ge.DrawNormalText(iLen, pCharPos + 7, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix,
m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), leftPosition + 47 * multiple,
m_Height - iTextHeight);
} else {
CFX_Matrix 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) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen, pCharPos + 7, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
tempStr = str.Mid(0, 1);
iLen = tempStr.GetLength();
strWidth = multiple * 7;
if (!pOutBitmap)
strWidth = (int32_t)(strWidth * m_outputHScale);
CalcTextInfo(tempStr, pCharPos, m_pFont, (FX_FLOAT)strWidth, iFontSize,
blank);
if (pOutBitmap) {
delete ge.GetBitmap();
ge.Create(strWidth, iTextHeight, FXDIB_Argb, nullptr);
ge.GetBitmap()->Clear(m_backgroundColor);
ge.DrawNormalText(iLen, pCharPos, m_pFont, static_cast<FX_FLOAT>(iFontSize),
&affine_matrix, m_fontColor, FXTEXT_CLEARTYPE);
geBitmap.SetDIBits(ge.GetBitmap(), 0, m_Height - iTextHeight);
} else {
CFX_Matrix affine_matrix1(1.0, 0.0, 0.0, -1.0, 0.0,
(FX_FLOAT)(m_Height - iTextHeight + iFontSize));
if (matrix) {
affine_matrix1.Concat(*matrix);
}
device->DrawNormalText(iLen, pCharPos, m_pFont,
static_cast<FX_FLOAT>(iFontSize), &affine_matrix1,
m_fontColor, FXTEXT_CLEARTYPE);
}
FX_Free(pCharPos);
}
void CBC_OnedEAN13Writer::RenderResult(const CFX_WideStringC& contents,
uint8_t* code,
int32_t codeLength,
bool isDevice,
int32_t& e) {
CBC_OneDimWriter::RenderResult(contents, code, codeLength, isDevice, e);
}