/*****************************
生成Code128条码
By Jeff.Ma 2018-08-28
******************************/
#include "code128.h"
Code128::Code128(QString text,QString p)
{
barcode = text;
path = p;
}
//开始生成条码图片
void Code128::start()
{
QString barstring = BuildBarString(barcode);
KiCode128C(barstring);
}
// 建立条码字符串
// <param name="tex">条码内容</param>
QString Code128::BuildBarString(QString tex)
{
QString barstart = "bbsbssbssss"; //码头
QString barbody = ""; //码身
QString barcheck = ""; //码检
QString barend = "bbsssbbbsbsbb"; //码尾
int checkNum = 104;
//循环添加码身,计算码检
for (int i = 1; i <= tex.length(); i++)
{
//int index = (int)tex[i - 1] - 32;
int index = (int)(tex.at(i - 1).unicode()) - 32;
checkNum += (index * i);
barbody += AddSimpleTag(index);//加入字符值的条码标记
}
//码检值计算
//barcheck = AddSimpleTag(int.Parse(Convert.ToDouble(checkNum % 103).ToString("0")));
barcheck = AddSimpleTag((int)(QString::number(checkNum % 103).toDouble()));
QString barstring = barstart + barbody + barcheck + barend;
return barstring;
}
//增加一个条码标记
QString Code128::AddSimpleTag(int CodeIndex)
{
QString res = "";
// <summary>1-4的条的字符标识 </summary>
QStringList TagB;
TagB << "" << "b" << "bb" << "bbb" << "bbbb";
// <summary>1-4的空的字符标识 </summary>
QStringList TagS;
TagS << "" << "s" << "ss" << "sss" << "ssss";
QStringList Code128List;
Code128List << "212222"<<"222122"<<"222221"<<"121223"<<"121322"<<"131222"<<"122213"<<"122312"<<"132212"<<"221213"<<
"221312"<<"231212"<<"112232"<<"122132"<<"122231"<<"113222"<<"123122"<<"123221"<<"223211"<<"221132"<<
"221231"<<"213212"<<"223112"<<"312131"<<"311222"<<"321122"<<"321221"<<"312212"<<"322112"<<"322211"<<
"212123"<<"212321"<<"232121"<<"111323"<<"131123"<<"131321"<<"112313"<<"132113"<<"132311"<<"211313"<<
"231113"<<"231311"<<"112133"<<"112331"<<"132131"<<"113123"<<"113321"<<"133121"<<"313121"<<"211331"<<
"231131"<<"213113"<<"213311"<<"213131"<<"311123"<<"311321"<<"331121"<<"312113"<<"312311"<<"332111"<<
"314111"<<"221411"<<"431111"<<"111224"<<"111422"<<"121124"<<"121421"<<"141122"<<"141221"<<"112214"<<
"112412"<<"122114"<<"122411"<<"142112"<<"142211"<<"241211"<<"221114"<<"413111"<<"241112"<<"134111"<<
"111242"<<"121142"<<"121241"<<"114212"<<"124112"<<"124211"<<"411212"<<"421112"<<"421211"<<"212141"<<
"214121"<<"412121"<<"111143"<<"111341"<<"131141"<<"114113"<<"114311"<<"411113"<<"411311"<<"113141"<<
"114131"<<"311141"<<"411131"<<"211412"<<"211214"<<"211232";
QString tag = Code128List.at(CodeIndex);
for (int i = 0; i < tag.length(); i++)
{
QString temp = "";
int num = QString(tag.at(i)).toInt();
if (i % 2 == 0)
{
temp = TagB.at(num);
}
else
{
temp = TagS.at(num);
}
res += temp;
}
return res;
}
// <summary>生成条码 </summary>
// <param name="BarString">条码模式字符串</param> //Format32bppArgb
// <returns>条码图形</returns>
void Code128::KiCode128C(QString BarString)
{
int MAXWIDTH;
int MAXHEIGHT=30;
int FONTHEIGHT=10;
//设定条码线条宽度px
int LineWidth=1;
//预留10px的左右空白；
MAXWIDTH=LineWidth*BarString.size()+5;
//计算条线宽度时，精度丢失造成条码右边空白，进行右移居中
int move=(MAXWIDTH-LineWidth*BarString.size())/2;
QSize size(MAXWIDTH,MAXHEIGHT+FONTHEIGHT);
QImage image(size,QImage::Format_ARGB32);
image.fill(qRgba(255, 255, 255, 0));
//QBitmap bmp(MAXWIDTH,MAXHEIGHT+FONTHEIGHT);
QPainter painter(&image);
QPen white,black;
// painter.setRenderHint(QPainter::Antialiasing,true);//弧线圆润
white.setColor(QColor(255,255,255));
black.setColor(QColor(0,0,0));
white.setWidth(LineWidth);
black.setWidth(LineWidth);
//背景充填白色
painter.setPen(white);
painter.drawRect(0,0,MAXWIDTH,MAXHEIGHT+FONTHEIGHT);
//画线
for(int i=0;i<BarString.size();i++)
{
if(BarString.at(i)=='b') painter.setPen(black);
else painter.setPen(white);
painter.drawLine(i*LineWidth+LineWidth/2+move,0,i*LineWidth+LineWidth/2+move,MAXHEIGHT);
}
//添加底部条形码字符
painter.setPen(black);
painter.setRenderHint(QPainter::Antialiasing,true);
painter.setRenderHint(QPainter::TextAntialiasing,true);
painter.setRenderHint(QPainter::HighQualityAntialiasing,true);
QFont font;
font.setFamily("宋体");
font.setPixelSize(10);
font.setWeight(QFont::ExtraLight);
painter.setFont(font);
painter.drawText(5,30,MAXWIDTH,10,Qt::AlignCenter,"S/N:" + barcode);
image.save(path + barcode + ".bmp");
}
void Code128::reset(QString text,QString p)
{
barcode = text;
path = p;
}
