#include "fm_speed_widget.h"
#include <QPainter.h>
#include <QDebug>

FMSpeedWidget::FMSpeedWidget(QWidget *parent) : QWidget(parent)
{
    currentSpeed = -1;
    numberPixmap = QPixmap(":/image/num_15x25.png");
    barPixmapOn = QPixmap(":/image/speed_on.png");
    barPixmapOff = QPixmap(":/image/speed_off.png");
}
void FMSpeedWidget::updateSpeed(int speed)
{
    currentSpeed = speed;
    update();

}

void FMSpeedWidget::paintEvent(QPaintEvent *pe)
{
    Q_UNUSED(pe);
    QPainter painter(this);

    int x = (rect().width()-barPixmapOn.size().width()) / 2;
    int y = (rect().height()-barPixmapOn.size().height()) / 2;
    painter.drawPixmap(x,y,currentSpeed >= 0 ? barPixmapOn : barPixmapOff);


    const int numWidth = 15;
    const int numHeight = 25;

    int x0 = (rect().width()- (numWidth*3) ) / 2;
    int x1 = x0 + numWidth;
    int x2 = x1 + numWidth;
    y = 21;

    int sx[4] = {0,};
    if(currentSpeed < 0)
    {
        sx[0] = sx[1] = sx[2] = numWidth * 10; // -
    }
    else {
        char cidx[4] = {0,};
        sprintf(cidx,"%03d",currentSpeed);
        sx[0] = (int)(cidx[0] - '0') * numWidth;
        sx[1] = (int)(cidx[1] - '0') * numWidth;
        sx[2] = (int)(cidx[2] - '0') * numWidth;
    }
    //inline void QPainter::drawPixmap(int x, int y, const QPixmap &pm,
    //                                 int sx, int sy, int sw, int sh)

    painter.drawPixmap(x0,y,numberPixmap,sx[0],0,numWidth,numHeight);
    painter.drawPixmap(x1,y,numberPixmap,sx[1],0,numWidth,numHeight);
    painter.drawPixmap(x2,y,numberPixmap,sx[2],0,numWidth,numHeight);



    //QPoint offset = QPoint(rect().width()-barPixmapOn.size().width())

    //painter.drawPixmap(0,0,barPixmapOn.size().width(),barPixmapOn.size().height(), barPixmapOn);

//    QStyleOption o;
//    o.initFrom(this);
//    QPainter p(this);
//    style()->drawPrimitive(QStyle::PE_Widget, &o, &p, this);


//    QPixmap indicatorPixmap;
//    painter->fillRect(option.rect,background);
//    QRect iconRect = option.rect;

//    // 좌표 CONTROL 과 동일하게 처리 되어야 함
//    iconRect.setLeft(iconRect.left() + 7);
//    iconRect.setTop(iconRect.top() + 5);

//    if (item->checked) {
//        indicatorPixmap = QPixmap(":/image/checkbox_checked.png");
//    }
//    else {
//        indicatorPixmap = QPixmap(":/image/checkbox_unchecked.png");
//    }
    //QApplication::style()->drawItemPixmap(painter, iconRect, 0, indicatorPixmap );

}