void MouseEvents::canvasReleaseEvent(QMouseEvent * e)
{
//Debug("Button Pressed");
QgsPoint point = mCanvas->getCoordinateTransform()->toMapCoordinates(e->x(), e->y());
if(e->button() == Qt::RightButton && (e->state() & Qt::LeftButton) == 0) // restart
{
emit RightPoint(point);
}
else if (e->button()== Qt::LeftButton)
{
emit LeftPoint(point);
}
}
void CVxDisplayArea::DrawGrid(QPainter& painter,int iW, int iH)
{
float fW = 1.0 * iW/m_iCol;
float fH = 1.0 * iH/(m_iRow + 1);
//画竖直线。
float fStartX = 0;
for ( int i = 0; i < m_iCol; i ++ )
{
QPoint topPoint(fStartX, 0);
QPoint bottomPoint(fStartX,iH);
painter.drawLine(topPoint,bottomPoint);
QString strDegree = QString("E ") + QString::number(120)+ GetDegreeStr() + QString::number(15.001) + GetMinuteStr();
painter.drawText(fStartX + 5, 15, strDegree);
fStartX += fW;
}
//画竖直线。
float fStartY = 0;
for ( int i = 0; i < m_iRow + 1 + 1; i ++ )//多画最底下一条和副显示区域之间的横线。
{
QPoint LeftPoint(0, fStartY);
QPoint RightPoint(iW,fStartY);
painter.drawLine(LeftPoint,RightPoint);
if ( i < m_iRow)
{
QString strDegree = QString("N ") + QString::number(120)+ GetDegreeStr() + QString::number(15.001) + GetMinuteStr();
painter.drawText( 5, fStartY + fH - 10, strDegree);
}
fStartY += fH;
}
}