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);
}
}
/// <summary>
/// Draws control points if DrawControlPoints is set.
/// </summary>
protected void DoDrawControlPoints(Pi2PictureBox box, Graphics g, Graphics pickGraphics, int currZ)
{
for (int n = 0; n < ControlPoints.Count; n++)
{
DrawControlPoint(box, g, pickGraphics, n, currZ);
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="picture">Picture box whose histogram is to be shown.</param>
public HistogramDialog(Pi2PictureBox picture)
{
InitializeComponent();
Histogram = new HistogramBox(picture);
Histogram.Dock = DockStyle.Fill;
Controls.Add(Histogram);
}
public override void Draw(Pi2PictureBox box, Graphics g, Graphics pickGraphics, int currZ)
{
if ((ControlPoints.Count > 0 && (Math.Abs(ControlPoints[0].Z - currZ) < 0.5 || DrawToAllSlices)) ||
RequiredPointCount <= 0)
{
Draw2D(box, g, pickGraphics);
for (int n = 0; n < ControlPoints.Count; n++)
{
DrawControlPoint(box, g, pickGraphics, n, (int)Math.Round(ControlPoints[n].Z));
}
}
}
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());
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pictureBox"></param>
public HistogramBox(Pi2PictureBox pictureBox)
{
InitializeComponent();
chartHist = new Chart();
chartHist.NewSeries();
chartHist.NewSeries();
chartHist.NewSeries();
chartHist.XAxis.Label = "Gray value";
chartHist.YAxis.Label = "Count";
chartHist.Dock = DockStyle.Fill;
Controls.Add(chartHist);
chartHist.BringToFront();
PictureBox = pictureBox;
}
/// <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);
}
}
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>
/// Constructor
/// </summary>
public Pi2PictureViewer()
{
InitializeComponent();
labelPixelValue.Text = String.Empty;
labelSliceNumber.Text = String.Empty;
scrollBarSlice.Visible = false;
PictureBox = new Pi2PictureBox();
PictureBox.AutoResize = false;
PictureBox.Dock = DockStyle.Fill;
PictureBox.MouseDown += PictureBox_MouseDown;
PictureBox.MouseMove += PictureBox_MouseMove;
PictureBox.MouseUp += PictureBox_MouseUp;
PictureBox.MouseWheel += PictureBox_MouseWheel;
PictureBox.ImageLoaded += PictureBox_ImageLoaded;
Controls.Add(PictureBox);
//Mode = MouseMode.AddAnnotation;
Mode = MouseMode.Pan;
Profile = new ProfileDialog(this);
// DEBUG: Test annotations
//NewAnnotationName = "Line segment";
NewAnnotationName = "Horizontal line";
//HLineAnnotation ann = new HLineAnnotation();
//ann.ControlPoints.Add(new Vec3(0, 60, 0));
//PictureBox.Annotations.Add(ann);
//LineSegmentAnnotation ann2 = new LineSegmentAnnotation();
//ann2.ControlPoints.Add(new Vec3(10, 20, 0));
//ann2.ControlPoints.Add(new Vec3(200, 180, 0));
//ann2.LineWidth = 2;
//ann2.DrawToAllSlices = true;
//ann2.Color = Color.Red;
//PictureBox.Annotations.Add(ann2);
}
/// <summary> /// Method that draws the 2D annotation, discarding all Z coordinates of control points. /// </summary> /// <param name="box">Picture box that owns the annotation.</param> /// <param name="g">Graphics where to draw to.</param> /// <param name="pickGraphics">Graphics where pick info is going to be drawn to.</param> protected abstract void Draw2D(Pi2PictureBox box, Graphics g, Graphics pickGraphics);
/// <summary>
/// Draw this object to the given renderer.
/// This version of Draw method is called if no data is required by the drawing object.
/// The default implementation draws control points if appropriate.
/// </summary>
public virtual void Draw(Pi2PictureBox box, Graphics g, Graphics pickGraphics, int currZ)
{
DoDrawControlPoints(box, g, pickGraphics, currZ);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="pictureBox"></param>
public HistogramBox(Pi2PictureBox pictureBox)
{
InitializeComponent();
this.PictureBox = pictureBox;
}
