private Point CalculateHotSpot(ImageAnalyzer.Region r)
{
Point geoAverage = new Point(); // Geometric Average
Point hotSpot;
Point left, right, top, bottom;
int turn = 0;
// Check geometric average
geoAverage.X = r.GeometricSum.X / r.Pixels.Count;
geoAverage.Y = r.GeometricSum.Y / r.Pixels.Count;
if (ImageAnalyzerObject.Pixels[geoAverage.X, geoAverage.Y].Region.ColorID == r.ColorID)
{
return(geoAverage);
}
int s = 0;
foreach (ImageAnalyzer.CPoint p in r.Pixels)
{
s += p.X;
}
// Check left, top, right and bottom point of geoAverage
bool notFound = true;
left = top = right = bottom = hotSpot = geoAverage;
while (notFound)
{
switch (turn)
{
case 0: // Left
if (left.X > r.Boundaries.X)
{
left.X -= 1;
if (ImageAnalyzerObject.Pixels[left.X, left.Y].Region.ColorID == r.ColorID)
{
hotSpot = left;
notFound = false; // HotSpot found
}
}
break;
case 1: // Top
if (top.Y > r.Boundaries.Y)
{
top.Y -= 1;
if (ImageAnalyzerObject.Pixels[top.X, top.Y].Region.ColorID == r.ColorID)
{
hotSpot = top;
notFound = false; // HotSpot found
}
}
break;
case 2: // Right
if (right.X < r.Boundaries.Right - 1)
{
right.X += 1;
if (ImageAnalyzerObject.Pixels[right.X, right.Y].Region.ColorID == r.ColorID)
{
hotSpot = right;
notFound = false; // HotSpot found
}
}
break;
case 3: // Bottom
if (bottom.Y < r.Boundaries.Bottom - 1)
{
bottom.Y += 1;
if (ImageAnalyzerObject.Pixels[bottom.X, bottom.Y].Region.ColorID == r.ColorID)
{
hotSpot = bottom;
notFound = false; // HotSpot found
}
}
break;
}
// Change direction
turn++;
if (turn == 4)
{
turn = 0;
}
}
return(hotSpot);
}
private void picOutput_MouseMove(object sender, MouseEventArgs e)
{
Point p;
p = ImageAnalyzerObject.GetOriginalPixelLocation(
(int)(e.X / _zoomScale), (int)(e.Y / _zoomScale));
// If mouse does not leave the current cell, we should do nothing.
if (p.X == _mouseInfo.OriginalPixelLocation.X && p.Y == _mouseInfo.OriginalPixelLocation.Y)
{
return;
}
else
{
_mouseInfo.OriginalPixelLocation = p;
}
if (p.X == -1)
{
// Mouse is in border area of output image
lblStatusLeft.Text = "";
}
else
{
if (ImageAnalyzerObject.HighlightRegions)
{
ImageAnalyzer.Region previouslyHighlightedRegion = ImageAnalyzerObject.HighlightedRegion;
ImageAnalyzer.Region r = ImageAnalyzerObject.Pixels[p.X, p.Y].Region;
ImageAnalyzerObject.HighlightedRegion = r;
// Invalidate picOutput
picOutput.Invalidate(ImageAnalyzerObject.GetRegionBoundariesOnOutputImage(r.Boundaries, _zoomScale));
if (previouslyHighlightedRegion != null)
{
picOutput.Invalidate(ImageAnalyzerObject.GetRegionBoundariesOnOutputImage(previouslyHighlightedRegion.Boundaries, _zoomScale));
}
}
#region Update Left Status Bar
_tmpStrBuilder.Remove(0, _tmpStrBuilder.Length);//_tmpStrBuilder.Clear();
_tmpStrBuilder.Append("XY={");
_tmpStrBuilder.Append(p.X + 1);
_tmpStrBuilder.Append(", ");
_tmpStrBuilder.Append(ImageAnalyzerObject.Input.Height - p.Y);
_tmpStrBuilder.Append("} RGBA={");
_tmpStrBuilder.Append(ImageAnalyzerObject.Pixels[p.X, p.Y].Color.R);
_tmpStrBuilder.Append(", ");
_tmpStrBuilder.Append(ImageAnalyzerObject.Pixels[p.X, p.Y].Color.G);
_tmpStrBuilder.Append(", ");
_tmpStrBuilder.Append(ImageAnalyzerObject.Pixels[p.X, p.Y].Color.B);
_tmpStrBuilder.Append(", ");
_tmpStrBuilder.Append(ImageAnalyzerObject.Pixels[p.X, p.Y].Color.A);
_tmpStrBuilder.Append("} ColorID={");
_mouseInfo.ColorID = ImageAnalyzerObject.UsedColors[ImageAnalyzerObject.Pixels[p.X, p.Y].Color.ToArgb()];
_tmpStrBuilder.Append(_mouseInfo.ColorID);
_tmpStrBuilder.Append("}");
lblStatusLeft.Text = _tmpStrBuilder.ToString();
#endregion
}
#region Pan Image
if ((e.Button == System.Windows.Forms.MouseButtons.Left) && (_selectedTool == Tool.Pan))
{
int deltaX = _mouseInfo.PanStartLocation.X - e.X;
int deltaY = _mouseInfo.PanStartLocation.Y - e.Y;
tabOutputImage.AutoScrollPosition = new Point(
deltaX - tabOutputImage.AutoScrollPosition.X,
deltaY - tabOutputImage.AutoScrollPosition.Y);
}
#endregion
}