void EArrow::paintEvent( QPaintEvent * ) {
QPointF p1,p2;
QLineF polyLine;
QPainter painter( this );
painter.setRenderHint( QPainter::Antialiasing );
painter.setPen( QPen( getLineColor(), getLineSize(), Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin ) );
painter.setBrush( getBrushColor() );
int m_margin = 3;
if (VERTICAL == getArrowDirection()) {
p1 = QPointF( width()/2, m_margin );
p2 = QPointF( width()/2, height()-m_margin );
} else if (RIGTHBOTTOM == getArrowDirection()) {
p1 = QPointF( m_margin, m_margin );
p2 = QPointF( width()-m_margin, height()-m_margin );
} else if (RIGTHTOP == getArrowDirection()) {
p1 = QPointF( m_margin, height()-m_margin );
p2 = QPointF( width()-m_margin, m_margin );
} else { // HORIZONTAL
p1 = QPointF( m_margin, height()/2 );
p2 = QPointF( width()-m_margin, height()/2 );
}
polyLine = QLineF( p1, p2 );
painter.drawLine(polyLine);
if (LEFT == getArrowMode()) {
painter.drawPolygon( getHead(p1,p2) );
} else if (RIGTH == getArrowMode()) {
painter.drawPolygon(getHead(p2,p1));
} else if (DOUBLE == getArrowMode()) {
painter.drawPolygon(getHead(p1,p2));
painter.drawPolygon(getHead(p2,p1));
}
}
void caGraphics::paintEvent( QPaintEvent *event )
{
Q_UNUSED(event);
if(thisHide) return;
int m_margin = 3;
QPointF p1,p2;
QPainter painter( this );
painter.setRenderHint( QPainter::Antialiasing );
int margin = thisLineSize/2;
int w = width() - 2 * margin;
int h = height() - 2 * margin;
// do not increase linesize beyond the canvas size
if(w <= 0 || h <= 0) {
setLineSize(thisLineSize-1);
}
margin = thisLineSize/2;
w = width() - 2 * margin;
h = height() - 2 * margin;
int x = margin;
int y = margin;
if(thisLineStyle == Dash) {
painter.setPen( QPen( getLineColor(), getLineSize(), Qt::DotLine, Qt::SquareCap) );
} else if (thisLineStyle == BigDash) {
painter.setPen( QPen( getLineColor(), getLineSize(), Qt::DashLine, Qt::SquareCap) );
} else {
painter.setPen( QPen( getLineColor(), getLineSize(), Qt::SolidLine, Qt::SquareCap) );
}
if(thisFillStyle == Filled) {
painter.setBrush(getForeground());
}
if(getForm() == Rectangle) {
QPolygonF rectangle;
rectangle.append(QPointF(x,y));
rectangle.append(QPointF(x+w,y));
rectangle.append(QPointF(x+w,y+h));
rectangle.append(QPointF(x,y+h));
rectangle.append(QPointF(x,y));
// rotate
QPolygonF rotated = rotateObject(thisTiltAngle, w, h, thisLineSize, rectangle);
painter.drawPolygon(rotated);
} else if(getForm() == Circle) {
// rotate my calculated ellipse
QPolygonF rotated = rotateObject(thisTiltAngle, w, h, thisLineSize, drawCircle(x, x+w, y, y+h));
painter.drawPolygon(rotated);
} else if(getForm() == Triangle) {
QPolygonF triangle;
triangle.append(QPointF(x+w/2,0));
triangle.append(QPointF(x,y+h));
triangle.append(QPointF(x+w,y+h));
triangle.append(QPointF(x+w/2,0));
// rotate
QPolygonF rotated = rotateObject(thisTiltAngle, w, h, thisLineSize, triangle);
painter.drawPolygon(rotated);
} else if(getForm() == Arc) {
if(thisFillStyle == Filled) {
painter.drawPie (x, y, w, h, thisStartAngle * 16, thisSpanAngle * 16);
} else {
painter.drawArc (x, y, w, h, thisStartAngle * 16, thisSpanAngle * 16);
}
} else if(getForm() == Line) {
QPolygonF line;
line.append(QPointF(x,y+h/2));
line.append(QPointF(x+w,y+h/2));
// rotate
QPolygonF rotated = rotateObject(thisTiltAngle, w, h, thisLineSize, line);
painter.drawPolygon(rotated);
} else if(getForm() == Arrow) {
QPolygonF lines;
QPolygonF head1;
QPolygonF head2;
p1 = QPointF( m_margin, height()/2 );
p2 = QPointF( width()-m_margin, height()/2 );
lines.append(p1);
lines.append(p2);
head1 = getHead(p1,p2);
if (getArrowMode() == Double) {
head2 = getHead(p2,p1);
}
for(int i=0; i<head1.count(); i++) lines.append(head1.at(i));
for(int i=0; i<head2.count(); i++) lines.append(head2.at(i));
// rotate
QPolygonF rotated = rotateObject(thisTiltAngle, w, h, thisLineSize, lines);
painter.drawPolygon(rotated);
}
}
