protected override void Draw2D(Pi2PictureBox box, Graphics g, Graphics pickGraphics)
{
if (ControlPoints.Count >= 2)
{
Vec2 p1 = box.PictureToScreen(ControlPoints[0].GetXY());
Vec2 p2 = box.PictureToScreen(ControlPoints[1].GetXY());
float x = (float)Math.Min(p1.X, p2.X);
float y = (float)Math.Min(p1.Y, p2.Y);
float w = (float)Math.Abs(p2.X - p1.X);
float h = (float)Math.Abs(p2.Y - p1.Y);
using (Pen pen = new Pen(Color, (float)LineWidth))
{
g.DrawRectangle(pen, x, y, w, h);
if (DrawCenterCross)
{
float s = 20;
float cx = x + w / 2.0f;
float cy = y + h / 2.0f;
pen.DashStyle = CenterCrossStyle;
g.DrawLine(pen, cx, y - s, cx, y + h + s);
g.DrawLine(pen, x - s, cy, x + w + s, cy);
}
}
using (Pen pen = box.GetPickPen(this))
pickGraphics.DrawRectangle(pen, x, y, w, h);
}
}
protected override void Draw2D(Pi2PictureBox box, Graphics g, Graphics pickGraphics)
{
if (ControlPoints.Count >= 2)
{
Vec2 p1 = box.PictureToScreen(ControlPoints[0].GetXY());
Vec2 p2 = box.PictureToScreen(ControlPoints[1].GetXY());
using (Pen pen = new Pen(Color, (float)LineWidth))
g.DrawLine(pen, p1.ToPointF(), p2.ToPointF());
using (Pen pen = box.GetPickPen(this))
pickGraphics.DrawLine(pen, p1.ToPointF(), p2.ToPointF());
}
}
protected override void Draw2D(Pi2PictureBox box, Graphics g, Graphics pickGraphics)
{
Vec2 p1 = box.PictureToScreen(new Vec2(box.OriginalWidth / 2.0, 0));
Vec2 p2 = box.PictureToScreen(new Vec2(box.OriginalWidth / 2.0, box.OriginalHeight));
Vec2 p3 = box.PictureToScreen(new Vec2(0, box.OriginalHeight / 2.0));
Vec2 p4 = box.PictureToScreen(new Vec2(box.OriginalWidth, box.OriginalHeight / 2.0));
using (Pen pen = new Pen(Color, (float)LineWidth))
{
g.DrawLine(pen, p1.ToPointF(), p2.ToPointF());
g.DrawLine(pen, p3.ToPointF(), p4.ToPointF());
}
using (Pen pen = box.GetPickPen(this))
{
pickGraphics.DrawLine(pen, p1.ToPointF(), p2.ToPointF());
pickGraphics.DrawLine(pen, p3.ToPointF(), p4.ToPointF());
}
}
/// <summary>
/// Gets line width adjusted for highlighting.
/// </summary>
/// <returns></returns>
//protected double GetLineWidthAdjustedForHighlighting()
//{
// if (!IsHighlighted)
// return LineWidth;
// else
// return 2 * LineWidth;
//}
protected void DrawControlPoint(Pi2PictureBox box, Graphics g, Graphics pickGraphics, int pi, int currZ)
{
Vec3 p = ControlPoints[pi];
if (Math.Abs(p.Z - currZ) < 0.5f)
{
const float R = 3;
Vec2 pos = box.PictureToScreen(p.GetXY());
RectangleF rect = new RectangleF((float)(pos.X - R), (float)(pos.Y - R), 2 * R, 2 * R);
g.FillRectangle(Brushes.WhiteSmoke, rect);
g.DrawRectangle(Pens.Black, rect.X, rect.Y, rect.Width, rect.Height);
using (Brush b = box.GetPickBrush(this, pi))
pickGraphics.FillRectangle(b, rect.X, rect.Y, rect.Width, rect.Height);
}
}