public void DrawAreaBrightness()
{
if (selectRec == null)
{
return;
}
DCTestLibrary.PhotoTest pt = new DCTestLibrary.PhotoTest();
DrawGraphic dg = new DrawGraphic(DrawCanvas);
WriteableBitmap sb = TargetImage.Source as WriteableBitmap;
Point isp = DrawGraphic.getImagePosition(sp, TargetImage);
Point iep = DrawGraphic.getImagePosition(ep, TargetImage);
double iw = DrawGraphic.getImageDistance(Math.Abs(iep.X - isp.X), TargetImage);
double ih = DrawGraphic.getImageDistance(Math.Abs(iep.Y - isp.Y), TargetImage);
WriteableBitmap cb = pt.getImageArea(sb, (int)isp.X, (int)isp.Y, (int)iw, (int)ih);
List <int> tl = pt.getBrightPixNum(cb);
dg.ForeColor = Colors.Blue;
dg.DrawBrightPixNumHistogram(tl);
textPointCountValue.Text = (iw * ih).ToString();
List <Color> cl = pt.getImageColorList(cb);
ShowBrightInfor(cl);
}
