public static PPath CreateRectangle(float x, float y, float width, float height)
{
PPath rect = new PPath();
SetPathToRectangle(rect, x, y, width, height);
return(rect);
}
public static PPath CreateLine(float x1, float y1, float x2, float y2)
{
PPath line = new PPath();
line.AddPoint(new PointF(x1, y1));
line.AddPoint(new PointF(x2, y2));
return(line);
}
private static void SetPathToRectangle(PPath path, float x, float y, float width, float height)
{
path.Reset();
path.AddPoint(new PointF(x, y));
path.AddPoint(new PointF(x + width, y));
path.AddPoint(new PointF(x + width, y + height));
path.AddPoint(new PointF(x, y + height));
path.Closed = true;
}
protected override void OnStartDrag(object sender, PInputEventArgs e)
{
base.OnStartDrag (sender, e);
squiggle = new PPath();
lastPoint = e.Position;
//squiggle.Pen = new Pen(Brushes.Black, (float)(1/ e.Camera.ViewScale));
layer.AddChild(squiggle);
}
protected override void OnEndDrag(object sender, PInputEventArgs e)
{
base.OnEndDrag (sender, e);
UpdateSquiggle(e);
squiggle = null;
}
private static void SetPathToRectangle(PPath path, float x, float y, float width, float height)
{
path.Reset();
path.AddPoint(new PointF(x, y));
path.AddPoint(new PointF(x+width, y));
path.AddPoint(new PointF(x+width, y+height));
path.AddPoint(new PointF(x, y+height));
path.Closed = true;
}
public static PPath CreateRectangle(float x, float y, float width, float height)
{
PPath rect = new PPath();
SetPathToRectangle(rect, x, y, width, height);
return rect;
}
public static PPath CreateLine(float x1, float y1, float x2, float y2)
{
PPath line = new PPath();
line.AddPoint(new PointF(x1, y1));
line.AddPoint(new PointF(x2, y2));
return line;
}
/// <summary>
/// Sets some initial values for the marquee including it's brush and pen.
/// </summary>
/// <param name="e">A PInputEventArgs that contains the event data.</param>
protected virtual void InitializeMarquee(PInputEventArgs e)
{
marquee = PPath.CreateRectangle(presspt.X, presspt.Y, 0, 0);
marquee.Brush = marqueeBrush;
marquee.Pen = pens[0];
marqueeParent.AddChild(marquee);
marqueeMap.Clear();
}
/// <summary>
/// Ends a marquee selection sequence.
/// </summary>
/// <param name="e">A PInputEventArgs that contains the event data.</param>
/// <remarks>
/// <b>Notes to Inheritors:</b> Subclasses can override this method to be notified
/// at the end of a marquee selection sequence.
/// <para>
/// Overriding methods must still call <c>base.EndMarqueeSelection()</c> for correct
/// behavior.
/// </para>
/// </remarks>
protected virtual void EndMarqueeSelection(PInputEventArgs e)
{
// Remove marquee
marquee.RemoveFromParent();
marquee = null;
}