void MyButton::paintEvent(QPaintEvent *e){
/*绘制按钮的形状*/
QPainter g(this);
int w=width();
int h=height();
QPoint pTop(w/2,2);
QPoint pBottom(w/2,h-2);
QPoint pLeft(2,h/2);
QPoint pRight(w-2,h/2);
QColor cWhite(255,255,255);
QColor cBlack( 0, 0, 0);
QBrush bWhite(cWhite);
QBrush bBlack(cBlack);
QPen penWhite(bWhite,2);
QPen penBlack(bBlack,2);
/*白色*/
g.setPen(penWhite);
g.drawLine(pTop,pLeft);
g.drawLine(pTop,pRight);
/*黑色*/
g.setPen(penBlack);
g.drawLine(pBottom,pLeft);
g.drawLine(pBottom,pRight);
}
//Draw a single hexagon centered at (x,y).
// These are screen coordinates, not board coordinates.
void drawHex(float x, float y, float sideLen){
//point 1 is sideLen up from the center
ofPoint pTop(x,y-sideLen);
ofPoint pBot(x,y+sideLen);
ofPoint pRtTop(x+0.86602540378444*sideLen,y-0.5*sideLen);
ofPoint pRtBot(x+0.86602540378444*sideLen,y+0.5*sideLen);
ofPoint pLtTop(x-0.86602540378444*sideLen,y-0.5*sideLen);
ofPoint pLtBot(x-0.86602540378444*sideLen,y+0.5*sideLen);
ofSetLineWidth(1.0);
ofLine(pTop,pRtTop);
ofLine(pRtTop,pRtBot);
ofLine(pRtBot, pBot);
ofLine(pBot,pLtBot);
ofLine(pLtBot,pLtTop);
ofLine(pLtTop,pTop);
}
