public void setUserColor(int id, float r, float g, float b)
{
foreach (ThresholdSample ts in samples)
{
if (ts.id == id)
{
ts.userColor = new Color(r, g, b);
return;
}
}
ThresholdSample ts2 = new ThresholdSample();
ts2.id = id;
ts2.userColor = new Color(r, g, b);
samples.Add(ts2);
}
public void setPoint(int id, float x, float y)
{
foreach (ThresholdSample ts in samples)
{
if (ts.id == id)
{
ts.point = new Vector3(x, y, 0);
ts.color = getColor(ts.point);
Debug.Log("Point " + " " + id + " " + x + " " + y + " " + ts.color);
return;
}
}
ThresholdSample ts2 = new ThresholdSample();
ts2.id = id;
ts2.point = new Vector3(x, y, 0);
ts2.color = getColor(ts2.point);
Debug.Log("Add point " + " " + id + " " + x + " " + y + " " + ts2.color);
samples.Add(ts2);
}
public void UpdateThreshold(float sc)
{
Scale = sc;
// Update samples with the point in the vector
if (ThresholdPoints.Length > 0)
{
for (int i = 0; i < ThresholdPoints.Length; i++)
{
samples[i].point = new Vector3(
ThresholdPoints[i].localPosition.x / ThresholdSpace.rect.width,
ThresholdPoints[i].localPosition.y / ThresholdSpace.rect.height,
0);
samples[i].active = true;
samples[i].userColor = getColor(samples[i].point);
}
for (int i = ThresholdPoints.Length; i < samples.Count; i++)
{
samples[i].active = false;
}
}
InitTexture();
int width = (int)(originalImage.width * Scale);
int height = (int)(originalImage.height * Scale);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Color c = originalImage.GetPixel((int)(x / Scale), (int)(y / Scale));
// Compute distance to each color
float d = float.MaxValue;
ThresholdSample tsmin = null;
foreach (ThresholdSample ts in samples)
{
float dref = (new Vector3(c.r, c.g, c.b) - new Vector3(ts.color.r, ts.color.g, ts.color.b)).sqrMagnitude;
if (dref < d)
{
tsmin = ts;
d = dref;
}
}
if (tsmin != null)
{
result.SetPixel(x, y, tsmin.userColor);
}
else
{
result.SetPixel(x, y, c);
}
}
}
result.Apply();
GetComponent <UnityEngine.UI.RawImage>().texture = result;
}
