#include "converter.h"
#include <QMessageBox>
#include <QPixmap>
Converter::Converter(QWidget *parent, Qt::WFlags flags)
: QDialog(parent, flags)
{
ui.setupUi(this);
QPalette palette;
//palette.setBrush(QPalette::Background,QBrush(QPixmap(":/Converter/Resources/bk1.jpg").scaled(this->size())));
this->setPalette(palette);
QPixmap ahead(":/Converter/Resources/ahead.png");
QPixmap back(":/Converter/Resources/back.png");
ui.pushButton_htof->setIcon(ahead);
ui.pushButton_ftoh->setIcon(back);
ui.pushButton_htoi->setIcon(ahead);
ui.pushButton_itoh->setIcon(back);
connect(ui.pushButton_htof,SIGNAL(clicked()),this,SLOT(pushButton_htof()));
connect(ui.pushButton_ftoh,SIGNAL(clicked()),this,SLOT(pushButton_ftoh()));
connect(ui.pushButton_htoi,SIGNAL(clicked()),this,SLOT(pushButton_htoi()));
connect(ui.pushButton_itoh,SIGNAL(clicked()),this,SLOT(pushButton_itoh()));
}
Converter::~Converter()
{
}
void Converter::pushButton_htof()
{
float f=hexTofloat(ui.lineEdit_fhex->text());
QString str=QString("%1").arg(f);
ui.lineEdit_ff->setText(str);
}
void Converter::pushButton_ftoh()
{
float ff=ui.lineEdit_ff->text().toFloat();
QString str=floatTohex(ff);
ui.lineEdit_fhex->setText(str);
}
void Converter::pushButton_htoi()
{
int i=hexToint(ui.lineEdit_ihex->text());
QString str=QString("%1").arg(i);
ui.lineEdit_ii->setText(str);
}
void Converter::pushButton_itoh()
{
int ii=ui.lineEdit_ii->text().toInt();
QString str=intTohex(ii);
ui.lineEdit_ihex->setText(str);
}
int Converter:: hexToint(QString str)
{
str.replace(QRegExp("[\s]+"), "");
if (!str.contains("0x",Qt::CaseInsensitive))
str.insert(0,"0x");
QByteArray ba = str.toLatin1();
char * pBuff= ba.data();
int nValude=0;
sscanf(pBuff,"%x",&nValude);
return nValude;
}
QString Converter:: intTohex(int i)
{
char buffer[200];
sprintf( buffer,"%X",i );//转成大写十六进位
QString str=QString("%1").arg(buffer);
if (str.length()==0) str.insert(0,"00000000");
if (str.length()==1) str.insert(0,"0000000");
if (str.length()==2) str.insert(0,"000000");
if (str.length()==3) str.insert(0,"00000");
if (str.length()==4) str.insert(0,"0000");
if (str.length()==5) str.insert(0,"000");
if (str.length()==6) str.insert(0,"00");
if (str.length()==7) str.insert(0,"0");
QString stt;
for(int i = 0;i<str.length ();i+=2)
{
QString st = str.mid (i,2);
stt += st;
stt += " ";
}
return stt;
}
QString Converter:: floatTohex(float f)
{
int *ii = (int *)&f;
char buffer[100];
memset(buffer,0,100);
sprintf( buffer,"%X",*ii );//转成大写十六进位
QString str=QString("%1").arg(buffer);
if(str=="0")
return "00 00 00 00";
else
{
QString stt;
for(int i = 0;i<str.length ();i+=2)
{
QString st = str.mid (i,2);
stt += st;
stt += " ";
}
return stt;
}
}
float Converter:: hexTofloat(QString str)
{
str.replace(QRegExp("[\s]+"), "");
if (str.contains("0x",Qt::CaseInsensitive))
str.remove("0x", Qt::CaseInsensitive);
float f;
int Len=str.length();
int i;
QString m_Binary,m_Decimal;
if (Len>8)
QMessageBox::warning(this,"警告","输入字符串长度错误！");
else
{
for (i=0;i<8-Len;i++)
{
str.insert(0,'0');
}
}
m_Binary=HextoBinary(str);
m_Decimal=BinarytoDecimal(m_Binary);
f=m_Decimal.toFloat();
return f;
}
QString Converter::HextoBinary(QString Hex)
{
QString str;
int i;
for(i=0;i<Hex.length();i++)
{
char buf[5];
memset(buf,0,5);
if (Hex.at(i).toAscii()>='0'&&Hex.at(i).toAscii()<='9')
itoa(Hex.at(i).toAscii()-48,buf,2);
else if (Hex.at(i).toAscii()>='A'&&Hex.at(i).toAscii()<='Z') itoa(Hex.at(i).toAscii()-65+10,buf,2);
else if (Hex.at(i).toAscii()>='a'&&Hex.at(i).toAscii()<='z') itoa(Hex.at(i).toAscii()-97+10,buf,2);
else QMessageBox::warning(this,"警告","输入格式错误");
if (strlen(buf)==0) str+="0000";
if (strlen(buf)==1) str+="000";
if (strlen(buf)==2) str+="00";
if (strlen(buf)==3) str+="0";
str+=buf;
}
return str;
}
QString Converter::BinarytoDecimal(QString Bin)
{
QString str;
int i;
float Num=0;
int signal=1;
if (Bin.at(0)=='1') signal=-1;
int exp=0;
for (i=1;i<=8;i++)
exp=exp*2+Bin.at(i).toAscii()-48;
if (exp==0) return QString('0');
exp-=127;
Num=pow(2.0,exp);
for(i=9;i<32;i++)
{
if (Bin.at(i).toAscii()-48!=0)
Num+=pow(2.0,exp-(i-9+1));
}
Num*=signal;
str=QString("%1").arg(Num);
return str;
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