private void CreateCurveForGreylevelImageLineData(Point start, Point end)
{
TileView viewer = this.mosaicWindow.TileView;
List <Tile> tiles = viewer.GetVisibleTiles();
if (tiles == null)
{
return;
}
if (MosaicWindow.MosaicInfo.ColorDepth >= 24)
{
return;
}
int max_pixels = Math.Abs((end.X - start.X)) + Math.Abs((end.Y - start.Y));
double[] values = new double[max_pixels];
int len = 0;
foreach (Tile tile in tiles)
{
if (tile.IsDummy)
{
continue;
}
FreeImageAlgorithmsBitmap dib = tile.LoadFreeImageBitmap();
len = dib.GetGreyScalePixelValuesAsDoublesForLine(start, end, out values);
dib.Dispose();
}
PointPairList list = new PointPairList();
double x, y;
for (int i = 0; i < len; i++)
{
x = (double)i;
y = (double)values[i];
list.Add(x, y);
}
if (this.curve != null)
{
this.zedGraphControl.GraphPane.CurveList.Remove(this.curve);
}
this.curve = new LineItem("Profile", list, Color.Black, SymbolType.None);
this.zedGraphControl.GraphPane.CurveList.Insert(0, curve);
this.zedGraphControl.AxisChange();
}