void DrawShapes(QPainter painter)
{
painter.SetRenderHint(QPainter.RenderHint.Antialiasing);
painter.Pen = new QPen(new QBrush(new QColor("Gray")), 1);
painter.Brush = new QColor("Gray");
var path = new QPainterPath();
path.MoveTo(5, 5);
path.CubicTo(40, 5, 50, 50, 99, 99);
path.CubicTo(5, 99, 50, 50, 5, 5);
painter.DrawPath(path);
painter.DrawPie(130, 20, 90, 60, 30 * 16, 120 * 16);
painter.DrawChord(240, 30, 90, 60, 0, 16 * 180);
var rectangle = new QRect(new QPoint(20, 120), new QSize(80, 50));
painter.DrawRoundedRect(rect: rectangle, xRadius: 10, yRadius: 10);
// to be implemented
//var points = new List<QPoint>();
//points.Add ( new QPoint ( 130, 140 ) );
//points.Add ( new QPoint ( 180, 170 ) );
//points.Add ( new QPoint ( 180, 140 ) );
//points.Add ( new QPoint ( 220, 110 ) );
//points.Add ( new QPoint ( 140, 100 ) );
//// http://doc.qt.io/qt-5/qpolygon.html#QPolygon-2 , we should be able to pase point list
//var polygon = new QPolygon(points);
//painter.DrawPolygon ( polygon );
// this is workaround for DrawPolygon
unsafe
{
var polygon = new QPolygon();
var points = new int[] { 130, 140, 180, 170, 180, 140, 220, 110, 140, 100 };
fixed(int *point = points)
{
polygon.SetPoints(points.Length / 2, ref *point);
}
painter.DrawPolygon(polygon);
}
painter.DrawRect(250, 110, 60, 60);
var baseline = new QPointF(20, 250);
var font = new QFont("Georgia", 55);
var forntPath = new QPainterPath();
forntPath.AddText(baseline, font, "Q");
painter.DrawPath(forntPath);
painter.DrawEllipse(140, 200, 60, 60);
painter.DrawEllipse(240, 200, 90, 60);
}
private void PaintCannon(QPainter painter)
{
painter.SetPen(Qt.PenStyle.NoPen);
painter.SetBrush(Qt.GlobalColor.blue);
painter.Save();
painter.Translate(0, Height());
painter.DrawPie(new QRect(-35, -35, 70, 70), 0, 90 * 16);
painter.Rotate(-currentAngle);
painter.DrawRect(barrelRect);
painter.Restore();
}
protected override void PaintEvent(QPaintEvent ev)
{
using (QPainter painter = new QPainter(this)) {
painter.SetPen(Qt.PenStyle.NoPen);
painter.SetBrush(new QBrush(new QColor(0,0,255)));
painter.Translate(0,Rect.Height());
painter.DrawPie(new QRect(-35,-35,70,70),0,90 * 16);
painter.Rotate(-currentAngle);
painter.DrawRect(30,-5,20,10);
painter.End();
}
}
private void paintCannon(QPainter painter)
{
painter.Begin(this); // should not be necessary
painter.SetPen(Qt.PenStyle.NoPen);
painter.SetBrush(new QBrush(Qt.GlobalColor.blue));
painter.Save();
painter.Translate(0, Height());
painter.DrawPie(new QRect(-35, -35, 70, 70), 0, 90 * 16);
painter.Rotate(-currentAngle);
painter.DrawRect(barrelRect);
painter.Restore();
painter.End(); // should not be necessary
}
public override void Paint(QPainter painter, QStyleOptionGraphicsItem option, QWidget widget)
{
painter.SetBrush(Qt.GlobalColor.gray);
painter.DrawRect(-20, -58, 40, 2); // front axel
painter.DrawRect(-20, 7, 40, 2); // rear axel
painter.SetBrush(color);
painter.DrawRect(-25, -79, 50, 10); // front wing
painter.DrawEllipse(-25, -48, 50, 20); // side pods
painter.DrawRect(-25, -38, 50, 35); // side pods
painter.DrawRect(-5, 9, 10, 10); // back pod
painter.DrawEllipse(-10, -81, 20, 100); // main body
painter.DrawRect(-17, 19, 34, 15); // rear wing
painter.SetBrush(Qt.GlobalColor.black);
painter.DrawPie(-5, -51, 10, 15, 0, 180 * 16);
painter.DrawRect(-5, -44, 10, 10); // cocpit
painter.Save();
painter.Translate(-20, -58);
painter.Rotate(wheelsAngle);
painter.DrawRect(-10, -7, 10, 15); // front left
painter.Restore();
painter.Save();
painter.Translate(20, -58);
painter.Rotate(wheelsAngle);
painter.DrawRect(0, -7, 10, 15); // front left
painter.Restore();
painter.DrawRect(-30, 0, 12, 17); // rear left
painter.DrawRect(19, 0, 12, 17); // rear right
}