/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="start"></param>
/// <param name="maxEyeRadius">Should be 2-3 percent of max(width/height)</param>
/// <param name="maxPointSearchDistance">In source pixels, the max distance from 'start' from which to look for the starting point. Good default: roughly 24 display pixels.</param>
public static void MarkEye(UnmanagedImage image, Point start, int maxEyeRadius, float maxPointSearchDistance = 0)
{
int maxRadius = maxEyeRadius * 2 + (int)Math.Ceiling(maxPointSearchDistance);
//Find subset
Rectangle subset = new Rectangle(start.X - maxRadius, start.Y - maxRadius, maxRadius * 2, maxRadius * 2);
if (subset.X < 0)
{
subset.Width += subset.X; subset.X = 0;
}
if (subset.Y < 0)
{
subset.Height += subset.Y; subset.Y = 0;
}
if (subset.Right >= image.Width)
{
subset.Width -= (subset.Right - image.Width + 1);
}
if (subset.Bottom >= image.Height)
{
subset.Height -= (subset.Bottom - image.Height + 1);
}
start.X -= subset.X;
start.Y -= subset.Y;
//Skip processing if we're slightly out of bounds
if (subset.X < 0 || subset.Y < 0 || subset.Width < 0 || subset.Height < 0 || subset.Right >= image.Width || subset.Bottom >= image.Height)
{
return;
}
UnmanagedImage red = null;
try{
Point startAt = start;
using (UnmanagedImage c = new Crop(subset).Apply(image)) {
red = new RedEyeFilter(2).Apply(c);
if (maxPointSearchDistance > 0)
{
startAt = new ManualSearcher().FindMaxPixel(c, start, maxPointSearchDistance);
}
}
var fill = new AdaptiveCircleFill(red, startAt, start, maxEyeRadius * 2);
fill.FirstPass();
fill.SecondPass();
fill.CorrectRedEye(image, subset.X, subset.Y);
//fill.MarkFilledPixels(image, subset.X, subset.Y, new byte[] { 0, 255, 0, 0 });
//fill.SetPixel(image, startAt.X + subset.X, startAt.Y + subset.Y, new byte[] { 255, 255, 0, 0 });
}finally{
if (red != null)
{
red.Dispose();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="image"></param>
/// <param name="start"></param>
/// <param name="maxEyeRadius">Should be 2-3 percent of max(width/height)</param>
/// <param name="maxPointSearchDistance">In source pixels, the max distance from 'start' from which to look for the starting point. Good default: roughly 24 display pixels.</param>
public static void MarkEye(UnmanagedImage image, Point start, int maxEyeRadius, float maxPointSearchDistance = 0)
{
int maxRadius = maxEyeRadius * 2 + (int)Math.Ceiling(maxPointSearchDistance);
//Find subset
Rectangle subset = new Rectangle(start.X - maxRadius,start.Y - maxRadius,maxRadius * 2, maxRadius * 2);
if (subset.X < 0) { subset.Width += subset.X; subset.X = 0; }
if (subset.Y < 0) { subset.Height += subset.Y; subset.Y = 0; }
if (subset.Right >= image.Width) subset.Width -= (subset.Right - image.Width + 1);
if (subset.Bottom >= image.Height) subset.Height -= (subset.Bottom - image.Height + 1);
start.X -= subset.X;
start.Y -= subset.Y;
//Skip processing if we're slightly out of bounds
if (subset.X < 0 || subset.Y < 0 || subset.Width < 0 || subset.Height < 0 || subset.Right >= image.Width || subset.Bottom >= image.Height) return;
UnmanagedImage red = null;
try{
Point startAt = start;
using (UnmanagedImage c = new Crop(subset).Apply(image)) {
red = new RedEyeFilter(2).Apply(c);
if (maxPointSearchDistance > 0) startAt = new ManualSearcher().FindMaxPixel(c,start,maxPointSearchDistance);
}
var fill = new AdaptiveCircleFill(red, startAt, start, maxEyeRadius * 2);
fill.FirstPass();
fill.SecondPass();
fill.CorrectRedEye(image, subset.X, subset.Y);
//fill.MarkFilledPixels(image, subset.X, subset.Y, new byte[] { 0, 255, 0, 0 });
//fill.SetPixel(image, startAt.X + subset.X, startAt.Y + subset.Y, new byte[] { 255, 255, 0, 0 });
}finally{
if (red != null) red.Dispose();
}
}
protected override RequestedAction Render(ImageState s)
{
if (base.Render(s) == RequestedAction.Cancel)
{
return(RequestedAction.Cancel);
}
bool detecteyes = s.settings.Get <bool>("r.detecteyes", false);
bool getlayout = s.settings.Get <bool>("r.getlayout", false);
if (detecteyes || getlayout)
{
var d = new DetectionResponse <ObjRect>();
try {
//Only detect eyes if it was requested.
if (detecteyes)
{
using (var ed = new EyeDetection()) { d.features = ed.DetectFeatures(s.sourceBitmap); }
}
} catch (TypeInitializationException e) {
throw e;
} catch (Exception e) {
d.message = e.Message;
}
d.PopulateFrom(s);
throw d.GetResponseException(s.settings["callback"]);
}
if (s.sourceBitmap == null)
{
return(RequestedAction.None);
}
if (!string.IsNullOrEmpty(s.settings["r.eyes"]))
{
double[] eyes = NameValueCollectionExtensions.GetList <double>(s.settings, "r.eyes", 0);
// lock source bitmap data
BitmapData data = s.sourceBitmap.LockBits(
new Rectangle(0, 0, s.sourceBitmap.Width, s.sourceBitmap.Height),
ImageLockMode.ReadWrite, s.sourceBitmap.PixelFormat);
try {
UnmanagedImage ui = new UnmanagedImage(data);
for (var i = 0; i < eyes.Length / 5; i++)
{
var x = eyes[i * 5];
var y = eyes[i * 5 + 1];
var w = eyes[i * 5 + 2];
var h = eyes[i * 5 + 3];
var a = eyes[i * 5 + 4];
var cx = x + w / 2;
var cy = y + h / 2;
var radius = Math.Sqrt(w * w + h * h) / 2;
AdaptiveCircleFill.MarkEye(ui, new System.Drawing.Point((int)cx, (int)cy), (int)Math.Ceiling(radius), (float)(a > 6 ? radius / 4 : radius));
}
} finally {
// unlock image
s.sourceBitmap.UnlockBits(data);
}
}
return(RequestedAction.None);
}