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butterfly.cpp
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#include "butterfly.h"
#include <math.h>
const static double PI=3.1416;
//static bool pre = 0;
Butterfly::Butterfly(QObject *parent) :
QObject(parent)
{
up = 1234;
pix_up.load("C://keshe/交换图片/1234 111111.png");
//pix_down.load("C://keshe/交换图片/1234 111111.png");
startTimer(50);//刷新频率20Hz
}
QRectF Butterfly::boundingRect() const
{
qreal adjust =2;
return QRectF(-pix_up.width()/2-adjust,-pix_up.height()/2-adjust,pix_up.width()+adjust*2,pix_up.height()+adjust*2);
}
void Butterfly::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
switch(up)
{
case 1234:
pix_up.load("C://keshe/交换图片/1234 111111.png");
break;
case 1243:
pix_up.load("C://keshe/交换图片/1243 101111.png");
break;
case 1324:
pix_up.load("C://keshe/交换图片/1324 101010.png");
break;
case 1342:
pix_up.load("C://keshe/交换图片/1342 101011.png");
break;
case 1423:
pix_up.load("C://keshe/交换图片/1423 111010.png");
break;
case 1432:
pix_up.load("C://keshe/交换图片/1432 111011.png");
break;
case 2134:
pix_up.load("C://keshe/交换图片/2134 111101.png");
break;
case 2143:
pix_up.load("C://keshe/交换图片/2143 111100.png");
break;
case 2314:
pix_up.load("C://keshe/交换图片/2314 110101.png");
break;
case 2341:
pix_up.load("C://keshe/交换图片/2341 110100.png");
break;
case 2413:
pix_up.load("C://keshe/交换图片/2413 100101.png");
break;
case 2431:
pix_up.load("C://keshe/交换图片/2431 100100.png");
break;
case 3124:
pix_up.load("C://keshe/交换图片/3124 101000.png");
break;
case 3142:
pix_up.load("C://keshe/交换图片/3142 101001.png");
break;
case 3214:
pix_up.load("C://keshe/交换图片/3214 001000.png");
break;
case 3241:
pix_up.load("C://keshe/交换图片/3241 001001.png");
break;
case 3412:
pix_up.load("C://keshe/交换图片/3412 000000.png");
break;
case 3421:
pix_up.load("C://keshe/交换图片/3421 000001.png");
break;
case 4123:
pix_up.load("C://keshe/交换图片/4123 000111.png");
break;
case 4132:
pix_up.load("C://keshe/交换图片/4132 000110.png");
break;
case 4213:
pix_up.load("C://keshe/交换图片/4213 100111.png");
break;
case 4231:
pix_up.load("C://keshe/交换图片/4231 100110.png");
break;
case 4312:
pix_up.load("C://keshe/交换图片/4312 100011.png");
break;
case 4321:
pix_up.load("C://keshe/交换图片/4321 100010.png");
break;
default:
//此处应弹出错误信息框
break;
}
painter->drawPixmap(boundingRect().topLeft(),pix_up);
}
void Butterfly::timerEvent(QTimerEvent *)
{
update();
}