public void RankPicture(string filename)
{
var bitmap = new ColorsBitmap <ColorRgb>(filename);
double totalDist = 0;
foreach (var circle in Query.Circles)
{
if (circle.X >= bitmap.Width || circle.Y >= bitmap.Height)
{
// this happens, but why?? how could this error happen?
// are the data mixed up in some way?
return;
}
var targetPoint = circle.FindMeantPixel(bitmap);
var targetColor = bitmap.GetPixel(targetPoint.X, targetPoint.Y);
var distX = circle.X - targetPoint.X;
var distY = circle.Y - targetPoint.Y;
// TODO: make use of ALL methods in the delegate, not just the last one
var lastRmDist = rmDistances(circle.Color, targetColor, distX, distY);
totalDist += lastRmDist;
}
double avgDist = totalDist / Query.Circles.Length;
ranks.TryAdd(Path.GetFileName(filename), avgDist);
}
public void Draw <T>(Bitmap bitmapToDraw, ColorsBitmap <T> bitmapToSearchTarget, bool showRadius, bool showTarget, bool showOrderOfCircles) where T : Color3d, new()
{
var g = Graphics.FromImage(bitmapToDraw);
foreach (Circle c in Circles)
{
if (showTarget)
{
var target = c.FindMeantPixel(bitmapToSearchTarget);
var pen2 = new Pen(Color.LightSkyBlue, 3);
g.DrawLine(pen2, c.X, c.Y, target.X, target.Y);
}
var pen = new Pen((Color)c.Color.ConvertToRgb(), 5);
g.DrawEllipse(pen, c.X - 5, c.Y - 5, 10, 10);
if (showOrderOfCircles)
{
var brush = Brushes.Coral;
var font = new Font(FontFamily.GenericSansSerif, 6, FontStyle.Bold);
g.DrawString(c.EntryOrder.ToString(), font, brush, c.X, c.Y);
}
if (showRadius)
{
var pen2 = new Pen(Color.GreenYellow, 1);
g.DrawEllipse(pen2, c.X - SearchDiameter / 2, c.Y - SearchDiameter / 2, SearchDiameter, SearchDiameter);
}
}
}
/// <param name="frame"></param>
/// <param name="MaxAllowedDistance">Maximum distance of colors in one cluster. If 0, default value will be used.</param>
public ColorClusterer(ColorsBitmap <T> image, int MaxAllowedDistance = 0)
{
this.image = image.GetRgbBitmap();
if (MaxAllowedDistance > 0)
{
this.MaxAllowedDistance = MaxAllowedDistance;
}
}
private void _annotatePicture <T>() where T : Color3d, new()
{
var bitmapForDrawing = (Bitmap)MainPictureBox.Image;
var bitmapForSearching = new ColorsBitmap <T>(new Bitmap(MainPictureBox.Image));
var p = new Picture(Program.DbConn);
p.Load(CurrentPicturePath, circleFilter);
foreach (var ans in p.Answers)
{
ans.Draw(
bitmapToDraw: bitmapForDrawing,
bitmapToSearchTarget: bitmapForSearching,
showRadius: checkBoxShowRadius.Checked,
showTarget: checkBoxTarget.Checked,
showOrderOfCircles: checkBoxNumbers.Checked
);
}
}
public Point FindMeantPixel <T>(ColorsBitmap <T> bitmap) where T : Color3d, new()
{
int beginX = Math.Max(0, X - SearchDiameter / 2);
int beginY = Math.Max(0, Y - SearchDiameter / 2);
Point closestPoint = new Point(X, Y);
double closestColorDistance = Color.Get4dDistanceL2(bitmap.GetAveragePixel(X, Y), 0);
for (int iX = 0; iX < SearchDiameter; iX++)
{
for (int iY = 0; iY < SearchDiameter; iY++)
{
int currentPointX = beginX + iX;
int currentPointY = beginY + iY;
if (currentPointX < 0 || currentPointY < 0 || currentPointX >= bitmap.Width || currentPointY >= bitmap.Height)
{
continue;
}
int distFromPoint = (int)Math.Sqrt((X - currentPointX) * (X - currentPointX) + (Y - currentPointY) * (Y - currentPointY));
if (distFromPoint <= SearchDiameter / 2)
{
var pixel = bitmap.GetAveragePixel(currentPointX, currentPointY);
double colorDist = Color.Get4dDistanceL2(pixel, distFromPoint);
if (colorDist > MinimumColorDist && colorDist < closestColorDistance)
{
closestColorDistance = colorDist;
closestPoint = new Point(currentPointX, currentPointY);
}
}
}
}
return(closestPoint);
}
