private void PreviewPanel_Paint(object sender, PaintEventArgs e)
{
//Graphics g = e.Graphics;
using (Bitmap bmp = new Bitmap(PreviewPanel.Width, PreviewPanel.Height))
{
using (Graphics g = Graphics.FromImage(bmp))
{
g.Clip = new Region();
using (SolidBrush b = new SolidBrush(PreviewPanel.BackColor))
g.FillRectangle(b, 0, 0, PreviewPanel.Width, PreviewPanel.Height);
if (ScanInfo != null)
{
try
{
ScanLine line = null;
LaserCorrection corr = null;
double size = ScanInfo.Size() * 0.66f;
double factor = Math.Min(PreviewPanel.Width, PreviewPanel.Height) / size;
Matrix4d baseMatrix = Matrix4d.Scale(factor);
PointF center = new PointF(PreviewPanel.Width / 2, PreviewPanel.Height / 2);
DrawGrid(g, center, (float)factor);
int currentLaser = CurrentLaserIndex;
List <ScanLine> selectedLaserLine = new List <ScanLine>();
for (int i = 0; i < ScanInfo.Count; i++)
{
line = ScanInfo[i];
corr = new LaserCorrection();
corr.LoadFromSettings(line.LaserID);
bool selected = currentLaser == line.LaserID;
if (!selected)
{
DrawScanLine(g, center, factor, line, corr, false);
}
else
{
selectedLaserLine.Add(line);
}
}
corr = new LaserCorrection();
corr.LoadFromSettings(selectedLaserLine[Math.Max(0, currentLaser)].LaserID);
corr.Apply(Drag);
for (int i = 0; i < selectedLaserLine.Count; i++)
{
DrawScanLine(g, center, factor, selectedLaserLine[i], corr, true);
}
}
catch
{
}
}
}
e.Graphics.Clip = new Region();
e.Graphics.DrawImageUnscaled(bmp, new Point(0, 0));
}
}
void CommitCorrection()
{
if (CurrentLaserIndex >= 0)
{
LaserCorrection cor = new LaserCorrection();
cor.LoadFromSettings(CurrentLaserIndex);
cor.Apply(Drag);
cor.SaveToSettings(CurrentLaserIndex);
Drag.Init();
}
}
void ClearCorrection(int index)
{
LaserCorrection cor = new LaserCorrection();
cor.SaveToSettings(index);
}
protected void DrawScanLine(Graphics g, PointF translation, double scale, ScanLine line, LaserCorrection corr, bool selected)
{
List <PointF> points = new List <PointF>(line.Count);
Matrix4d m = corr.GetMatrix();
int laserid = line.LaserID;
int count = line.Count;
Color baseCol = GetLaserColor(laserid);
Color col = Color.FromArgb(selected ? 128 / NumClass : 64 / NumClass, baseCol);
for (int i = 0; i < line.Count; i++)
{
Point3D p = line[i];
Vector3d v = Vector3d.Transform(p.Position, m);
PointF pt = new PointF((float)(v.X * scale), (float)(v.Z * scale));
pt.X += translation.X;
pt.Y += translation.Y;
points.Add(pt);
}
using (SolidBrush b = new SolidBrush(col))
g.FillPolygon(b, points.ToArray());
using (Pen b = new Pen(Color.FromArgb(selected ? 128 : 64, baseCol)))
g.DrawPolygon(b, points.ToArray());
}