public override void Run()
{
var cached = true;
this.searchResult = state.GetOrAddNeedle(needle, () =>
{
cached = false;
var image = state.Image(needle.Key).Clone();
var magnification = 0.1;
image.Resize(new Percentage(magnification * 100));
var result = FindHighEntropyStrip(image, needle.Gravity, NeedleSize * magnification, this);
result.Point.X /= magnification;
result.Point.Y /= magnification;
return(result);
});
var resultLabel = $"Not found ({searchResult.Entropy})";
if (searchResult.MeetsThreshold())
{
resultLabel = $"Found at ({searchResult.Point}), {searchResult.Entropy}";
}
Complete(resultLabel, cached);
}
public override void ShowPreview(Renderer renderer)
{
var image = state.Image(needle.Key).Clone();
var searchArea = NeedleSearchArea(image, needle.Gravity);
var rows = searchArea.Item1;
var columns = searchArea.Item2;
var minX = columns.Min();
var maxX = columns.Max();
var minY = rows.Min();
var maxY = rows.Max();
var preview = image;
var rect = new Drawables()
.StrokeWidth(2)
.StrokeColor(new MagickColor("yellow"))
.FillOpacity(new Percentage(0))
.Rectangle(minX, minY, maxX, maxY);
preview.Draw(rect);
if (searchResult != null)
{
var needleRect = new Drawables()
.StrokeWidth(2)
.StrokeColor(new MagickColor(searchResult.MeetsThreshold() ? "green" : "red"))
.FillOpacity(new Percentage(0))
.Rectangle(searchResult.Point.X, searchResult.Point.Y, searchResult.Point.X + NeedleSize, searchResult.Point.Y + NeedleSize);
preview.Draw(needleRect);
}
renderer.DisplayImages(preview);
}
