//***************************?coordinate.cpp?*********************
#include?“mainwindow.h“
#include?“ui_mainwindow.h“
#include?
#include?
#include?


//?radarWidget中畫圖
bool?MainWindow::eventFilter（Qobject?*obj?QEvent?*e）
{
????if（obj?==?ui->radarWidget）
????{
????????if（e->type（）?==?QEvent::Paint）
????????{
????????????draw（）;
????????????qDebug（）<<“Workinggggggggggggggggggggggggggg................................“;
????????????return?true;
????????}
????????else
????????{
????????????qDebug（）<<“Waiting“;
????????}
????}
????return?QMainWindow::eventFilter（obj?e）;
}

void?MainWindow::draw（）
{
????extern?float?floatData[20][2];??????//?聲明下在mainwindow.cpp里面定義的全局變量
????extern?int?dcFlag;???????????????????//?dcFlag?=?1?時候相當不斷刷新，?等于0時候相當于關(guān)閉，進行清屏操作，留背景
????extern?int?ti;
????QPainter?painter（ui->radarWidget）;
????QPixmap?pix;
????pix.load（“:/coordinate05-18.png“）;
????painter.drawPixmap（0?0?400?440?pix）;

????painter.setBrush（Qt::red）;??????????????//先設(shè)定好畫筆顏色
????painter.translate（194?432）;????????//?變換坐標原點

????float?radian?=?0.140;???????????????//設(shè)定弧度，讓其按照指定的角度偏移


//????dcFlag?=?1;


????qDebug（）<????if（dcFlag?==?1）
????{
????????int?x?=?0;
????????//?2012-05-18，考慮角度偏移的坐標確定，改小號圖像
????????for（int?j?=?0;?j?????????{
????????????x?=?int（floatData[j][0]?/?10）;
????????????switch（x）
????????????{
????????????case?0:
????????????????if（floatData[j][1]?==?0）
????????????????{
????????????????????painter.drawEllipse（0?-（floatData[j][0]?*?4.5）?10?10）;???????????????//?0m?-?10m內(nèi)0度偏角
????????????????}

????????????????else?if（floatData[j][1]?==?4）
????????????????{
????????????????????painter.drawEllipse（（floatData[j][0]?*?4.5）?*?qSin（radian）
????????????????????????????????????????-（（floatData[j][0]?*?4.5）?*?qCos（radian））?10?10）;????//?4度偏角
????????????????}

????????????????qDebug（）<<（floatData[j][0]?*?4.5）<<（floatData[j][0]?*?4.5）?*?qSin（radian）
???????????????????????<<（（floatData[j][0]?*?4.5）?*?qCos（radian））;
????????????????break;
????????????case?1:
????????????????if（floatData[j][1]?==?0）
????????????????????painter.drawEllipse（0?-（45?+?（floatData[j][0]?-?10）?*?4.4）?10?10）;???//?10m?-?20m內(nèi)
????????????????else?if（floatData[j][1]?==?4）
????????????????????painter.drawEllipse（（45?+?（floatData[j][0]?-?10）?*?4.4）?*?qSin（radian）
????????????????????????????????????????-（（45?+?（floatData[j][0]?-?10）?*?4.4）?*?qCos（radian））?10?10）;???//?10m?-?20m內(nèi)
????????????????break;
????????????case?2:
????????????????if（floatData[j][1]?==?0）
????????????????????painter.drawEllipse（0?-（89?+?（floatData[j][0]?-?20）?*?4.2）?10?10）;??//?20m?-?30m內(nèi)
????????????????else?if（floatData[j][1]?==?4）
????????????????????painter.drawEllipse（（89?+?（floatData[j][0]?-?20）?*?4.2）?*?qSin（radian）
????????????????????????????????????????-（89?+?（floatData[j][0]?-?20）?*?4.2）?*?qCo

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8604??2012-06-26?13:27??Qt_Interface_poll_Windows_V7\coordinate.cpp

?????文件??????67083??2012-05-19?22:56??Qt_Interface_poll_Windows_V7\coordinate05-18.png

?????文件????????819??2012-06-26?13:19??Qt_Interface_poll_Windows_V7\main.cpp

?????文件???????8821??2012-06-26?13:27??Qt_Interface_poll_Windows_V7\mainwindow.cpp

?????文件???????1304??2012-06-26?12:20??Qt_Interface_poll_Windows_V7\mainwindow.h

?????文件???????9085??2012-06-26?12:11??Qt_Interface_poll_Windows_V7\mainwindow.ui

?????文件??????38286??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\posix_qextserialport.cpp

?????文件???????1934??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\posix_qextserialport.h

?????文件???????6528??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\qextserialbase.cpp

?????文件???????6974??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\qextserialbase.h

?????文件???????3260??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\qextserialport.cpp

?????文件????????867??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\qextserialport.h

?????文件?????????98??2012-06-26?11:50??Qt_Interface_poll_Windows_V7\Qt_Interface_poll.qrc

?????文件????????478??2012-06-26?12:10??Qt_Interface_poll_Windows_V7\Qt_Interface_poll_Windows_V7.pro

?????文件??????14603??2012-06-26?13:27??Qt_Interface_poll_Windows_V7\Qt_Interface_poll_Windows_V7.pro.user

?????文件??????34893??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\win_qextserialport.cpp

?????文件???????4476??2012-05-11?22:39??Qt_Interface_poll_Windows_V7\win_qextserialport.h

?????目錄??????????0??2012-06-26?12:15??Qt_Interface_poll_Windows_V7

-----------?---------??----------?-----??----

???????????????208113????????????????????18