public void TestCellsOrdering()
{
ICellsSegmentation segmenter = new AFThresholdBlobSegmentation();
//Load the test data
var testColors = new List<Color>(loader.TestColors);
foreach (var test in loader.Tests)
{
IExtractionResult result;
using (Bitmap input = test.GetBitmap(DataLoader.TestDirectoryInput))
using (Bitmap polyColors = test.GetBitmap(DataLoader.TestDirectoryAny)) {
result = segmenter.Extract(input);
//Left to right, top to bottom reading order. Other orders can
// be obtained through polygon transformations, outside of the
// scope of this test.
ICellReadingOrder readingOrder = new DefaultReadingOrder();
List<Color> outputSequence = new List<Color>(
from polygon in readingOrder.GetReadingOrder(result.Polygons)
let point = polygon.Points.First()
select polyColors.GetPixel(point.X, point.Y));
if (outputSequence.Count > testColors.Count)
throw new FormatException("Wrong test");
for (int i = 0; i < outputSequence.Count; i++)
{
Assert.AreEqual(testColors[i], outputSequence[i]);
}
}
}
}
public void TestSegmenterRequiredPoints()
{
ICellsSegmentation segmenter = new AFThresholdBlobSegmentation();
//Load the test data
var testColors = new HashSet<Color>(loader.TestColors);
foreach (var test in loader.Tests)
{
IExtractionResult result;
using (Bitmap input = test.GetBitmap(DataLoader.TestDirectoryInput))
using (Bitmap expected = test.GetBitmap(DataLoader.TestDirectoryAll)) {
result = segmenter.Extract(input);
CheckAllExpected(expected, result, testColors);
}
}
}
private IEnumerable<TransformedPolygon> getSortedPoly(Bitmap input)
{
AFThresholdBlobSegmentation extractor = new AFThresholdBlobSegmentation();
return getSortedPoly(input, extractor);
}
private void updatePicture()
{
Bitmap b = getOriginalPicture();
AFThresholdBlobSegmentation extractor = new AFThresholdBlobSegmentation(getThresholdValue());
currentResult = (AFThresholdBlobSegmentation.AFThresholdBlobSegmentationResult) extractor.Extract(b);
label1.Text = "";
if (currentResult.FullPage)
{
label1.Text = "Full page; ";
}
if (currentResult.InvertedBorders)
{
label1.Text += "Inverted";
}
foreach (var transform in transforms)
{
b = transform(b);
}
pictureBox2.Image = b;
}
private Bitmap drawFilteredHulls(Bitmap input)
{
AFThresholdBlobSegmentation extractor = new AFThresholdBlobSegmentation();
return MakeBitmap(input.Width, input.Height, (Graphics g) =>
{
IEnumerable<Polygon> polygons = getFilteredPolygons(input);
using (Pen p = new Pen(Color.Red, 3)) {
g.DrawImageUnscaled(input, 0, 0);
foreach (var poly in polygons)
{
g.DrawPolygon(p, poly.Points.ToArray());
}
}
});
}
