#include "QBarCode.h"
#include "ui_myBarCode.h"
#include "QImage"
#include "QFile"
#include "QFileInfo"
#include "QDebug"
#include "stdio.h"

QBarCode::QBarCode(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::QBarCode)
{
    ui->setupUi(this);

    connect(ui->BarCodeGenerate,SIGNAL(pressed()),this,SLOT(onEnCodeBar()));

    ui->lineEdit->setText("12345678ABCDEFG");

    //onEnCodeBar();

}

QBarCode::~QBarCode()
{
    delete ui;
}


void QBarCode::onEnCodeBar(){

    QFile f1;
    //ui->lineEdit->setText("dfdsfdsfdsfdsf");
    int ps = 1, pcl = 0, oflags;
    ps = 0; pcl = 0;

    oflags = BARCODE_OUT_PS | BARCODE_OUT_NOHEADERS;

//    char *txt = ui->lineEdit->text.toStdString().c_str();
    //sprintf(txt,"%s", (char *)ui->lineEdit->text().data());
    /* and my data as code-128B autodetected */
    QString txt =ui->lineEdit->text();
    Barcode_Encode_and_Print((char *)txt.toStdString().c_str(),stdout, 0, 60, 240, 510,
                oflags);

    /* A few code-39 ones */
   // Barcode_Encode_and_Print("silly code",stdout, 0, 0, 40, 320,
   //                   BARCODE_39 | oflags);

//    Barcode_Encode_and_Print("SAMPLE CODES",stdout, 100, 30, 400, 80,
//                      BARCODE_39 | oflags);

    /* ISBN with add-5 */
//    Barcode_Encode_and_Print("1-56592-292-1 90000",stdout, 0, 0, 40, 430,
//                      BARCODE_ISBN | oflags);


}
/*
 * Do it all in one step
 */
int QBarCode::Barcode_Encode_and_Print(char *text, FILE *f, int wid, int hei,
                    int xoff, int yoff, int flags)
{
    struct Barcode_Item * bc;

    if (!(bc=Barcode_Create(text))) {
        qDebug()<<"mem less then:";//<< -ENOMEM ;
    return -1;
    }

    if ( Barcode_Position(bc, wid, hei, xoff, yoff, 0.0) < 0
      || Barcode_Encode(bc, flags) < 0
      //|| Barcode_Print(bc, f, flags) < 0
             ) {
    qDebug()<< bc->error;
    Barcode_Delete(bc);
    return -1;
    }
    //QFile f1;
    bcText = text;
    bcTextinfo = bc->textinfo;
    bcPartial = bc->partial;
    ui->textEdit->setText(bcPartial);

    Barcode_ToImage(bc);

    Barcode_Delete(bc);
    return 0;
}

// 将条形码编码转换成点阵图形
int QBarCode::Barcode_ToImage(Barcode_Item * bc ){
    bc->ascii;
    bc->partial;
    bc->textinfo;
    int len =QString(bc->partial).length();
    bcWidth =6;
    for(int i=0;i<len;i++)
       bcWidth+= (bc->partial[i]&0x0f);
    //
    //bcWidth =  len;
    bcHeight = 40;

    QImage image(bcWidth,bcHeight,QImage::Format_ARGB32);
    //image.dotsPerMeterX()
    //image.size().setHeight(50);
    image.fill(0x00ffffff);
    //QPainter painter(&image);
    //ui->textEdit->document()->drawContents (&painter, image.rect());		/*将text写到pic*/
    QString txt = bc->ascii;

    ui->textEdit->setText( QString().sprintf("W:%d,H:%d,Len:%d",ui->BarCodeView->width(),ui->BarCodeView->height(),len));

    //0b1a2a4123221223211221132221231213212223112312131311222314111b3c1a1b
    //11:12:1 22:12:2 33:12:3 44:12:4 55:12:5 66:12:6 77:12:7 88:12:8
    //02112141232212232112211322212312132122231123121313112223141112331112

    memset(pointMap,0,sizeof(pointMap));
    unsigned char *img= image.bits();
    for(int j=0;j< 20;j++){
        int i=3;
        unsigned char p=0;
        for(int n=0;( n<len);n++)
        {
            int c= bc->partial[n];
            if(c<0x30 || c>127) continue;
            c = c-0x30;
            if(n%2==1){
                for(int r=0;r<c;r++){
                *( img+j*bcWidth*4+i*4)= 0;
                *( img+j*bcWidth*4+i*4+1)= 0;
                *( img+j*bcWidth*4+i*4+2)= 0;
                *( img+j*bcWidth*4+i*4+3)= 0;
                i++;
//                p= (p<<1) | 0x01;
//                pointMap[j*bcWidth+i]=1;

                }
            }
            else i+=c;
        }
    }

    QString fileName="\\home\\plg\\doc\\"+ txt + ".BMP" ;

    image.save(fileName);
    QFileInfo(fileName).fileName();
   // ui->labBarCode->setPixmap(QPixmap(QString::fromUtf8(".\\imgd.BMP")));

    //ui->widgetPrintTextDisplay->dat = pointMap;

    ShowBarCode(fileName);
}

void QBarCode::ShowBarCode(QString fileName)
{
    /****************界面初始化********************************/

    this->pictureName =fileName ;
     scene = new QGraphicsScene;
     scene->setSceneRect( -200,0,bcWidth*4+200,bcHeight);
     scene->setItemIndexMethod(QGraphicsScene::NoIndex);
     QPixmap pixmap(this->pictureName);
     pixmap = pixmap.scaledToWidth(2.5*bcWidth);
     item = scene->addPixmap(pixmap);

     /***************设置view的场景*****************************/
     ui->BarCodeView->setScene(scene);
     ui->BarCodeView->setRenderHint(QPainter::Antialiasing);
     ui->BarCodeView->setCacheMode(QGraphicsView::CacheBackground);
     ui->BarCodeView->setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
     ui->BarCodeView->setDragMode(QGraphicsView::ScrollHandDrag);
     //ui->graphicsView->resize(400,300);

     ui->BarCodeView->setScene(scene);//设置view的场景

}