public static void PaintHandle(IPaintTo3D paintTo3D, PointF pf, int width, Color color)
{
paintTo3D.SetColor(color);
paintTo3D.SetLineWidth(null);
paintTo3D.SetLinePattern(null);
paintTo3D.Line2D((int)pf.X - width, (int)pf.Y - width, (int)pf.X - width, (int)pf.Y + width);
paintTo3D.Line2D((int)pf.X - width, (int)pf.Y + width, (int)pf.X + width, (int)pf.Y + width);
paintTo3D.Line2D((int)pf.X + width, (int)pf.Y + width, (int)pf.X + width, (int)pf.Y - width);
paintTo3D.Line2D((int)pf.X + width, (int)pf.Y - width, (int)pf.X - width, (int)pf.Y - width);
//paintTo3D.Point2D((int)pf.X + width, (int)pf.Y + width);
//paintTo3D.Point2D((int)pf.X + width, (int)pf.Y - width);
//paintTo3D.Point2D((int)pf.X - width, (int)pf.Y + width);
//paintTo3D.Point2D((int)pf.X - width, (int)pf.Y - width);
}
public static void PaintHandle(IPaintTo3D paintTo3D, int x, int y, int width, Color color)
{
paintTo3D.SetLineWidth(null); // dünnstmöglich
paintTo3D.SetLinePattern(null);
paintTo3D.SetColor(color);
paintTo3D.Line2D(x - width, y - width, x - width, y + width);
paintTo3D.Line2D(x - width, y + width, x + width, y + width);
paintTo3D.Line2D(x + width, y + width, x + width, y - width);
paintTo3D.Line2D(x + width, y - width, x - width, y - width);
// ohne die folgenden Aufrufe fehlt meist ein Punkt im Quadrat
// hängt vom OpenGl Treiber ab: manchmal sind diese Punkte versetzt
//paintTo3D.Point2D(x - width, y - width);
//paintTo3D.Point2D(x - width, y + width);
//paintTo3D.Point2D(x + width, y + width);
//paintTo3D.Point2D(x + width, y - width);
}
private void RepaintZoomRect(Rectangle IsInvalid, IView View, IPaintTo3D PaintToActive)
{
if (View != activeView)
{
return; // nur ein Fadenkreuz bzw. Rechteck
}
Color bckgnd = Frame.GetColorSetting("Colors.Background", Color.AliceBlue);
Color infocolor;
if (bckgnd.GetBrightness() > 0.5)
{
infocolor = Color.Black;
}
else
{
infocolor = Color.White;
}
Rectangle ClipRect = View.Canvas.ClientRectangle;
switch (Mode)
{
case 0: // Fadenkreuz zeichnen
PaintToActive.SetColor(infocolor);
PaintToActive.Line2D(FirstPoint.X, ClipRect.Top, FirstPoint.X, ClipRect.Bottom);
PaintToActive.Line2D(ClipRect.Left, FirstPoint.Y, ClipRect.Right, FirstPoint.Y);
break;
case 1: // Rechteck zeichnen
PaintToActive.SetColor(infocolor);
PaintToActive.Line2D(FirstPoint.X, FirstPoint.Y, SecondPoint.X, FirstPoint.Y);
PaintToActive.Line2D(SecondPoint.X, FirstPoint.Y, SecondPoint.X, SecondPoint.Y);
PaintToActive.Line2D(SecondPoint.X, SecondPoint.Y, FirstPoint.X, SecondPoint.Y);
PaintToActive.Line2D(FirstPoint.X, SecondPoint.Y, FirstPoint.X, FirstPoint.Y);
break;
}
}