//checks every pixel in an artImage, and counts each time a specific color occurs
public void determineBitFrequency(ArtImage artImage)
{
BitmapImage bitmap = artImage.getBitmapImage();
byte[] pixels = ConvertBitmapImageToByteArray(bitmap);
int stride = bitmap.PixelWidth * 4;
int currentR = 0;
int currentG = 0;
int currentB = 0;
int currentA = 0;
for (int x = 0; x < bitmap.Width; x++)
{
for (int y = 0; y < bitmap.Height; y++)
{
int index = (y * stride) + (4 * x);
if (index < pixels.Length)
{
currentR = roundNumber(pixels[index]) > 250 ? 255 : roundNumber(pixels[index]);
currentG = roundNumber(pixels[index + 1]) > 250 ? 255 : roundNumber(pixels[index + 1]);
currentB = roundNumber(pixels[index + 2]) > 250 ? 255 : roundNumber(pixels[index + 2]);
currentA = roundNumber(pixels[index + 3]) > 250 ? 255 : roundNumber(pixels[index + 3]);
Color currentColor = Color.FromArgb((byte)currentA, (byte)currentR, (byte)currentG, (byte)currentB);
artImage.countColor(currentColor);
}
}
}
}
private void button3_Click(object sender, RoutedEventArgs e)
{
ArtImage artImage = new ArtImage((BitmapImage)ImagePreview.Source, fileName);
string clusterName = clusterer.AnalyzePicture(artImage);
ClusterPopUp clusterPopUp = new ClusterPopUp();
clusterPopUp.SetTextBox(clusterName);
clusterPopUp.ShowDialog();
SubmitButton.Visibility = Visibility.Hidden;
}
public string AnalyzePicture(ArtImage artImage)
{
string clusterName = "";
double bestDistance = 10000;
for (int i = 1; i <= CLUSTER_COUNT; i++)
{
string clusterNum = "cluster" + i;
IClusterableItem ici = getAverageClusterPointFromArtImageList(clusters[clusterNum]);
double currentDistance = getDistance(ici, artImage);
if (currentDistance <= bestDistance)
{
bestDistance = currentDistance;
clusterName = "Cluster " + i;
}
}
return clusterName;
}