protected override RequestedAction PostRenderImage(ImageState s)
{
if (s.destBitmap == null)
{
return(RequestedAction.None);
}
string str = null;
int i = 0;
if ("true".Equals(s.settings["r.autoeyes"], StringComparison.OrdinalIgnoreCase))
{
List <ObjRect> eyes;
using (var ed = new EyeDetection()) eyes = ed.DetectFeatures(s.sourceBitmap);
List <PointF> points = new List <PointF>();
foreach (ObjRect r in eyes)
{
points.Add(new PointF(r.X, r.Y)); points.Add(new PointF(r.X2, r.Y2));
}
PointF[] newPoints = c.CurrentImageBuilder.TranslatePoints(points.ToArray(), s.originalSize, new ResizeSettings(s.settings));
using (Graphics g = Graphics.FromImage(s.destBitmap)){
for (i = 0; i < newPoints.Length - 1; i += 2)
{
float x1 = newPoints[i].X;
float y1 = newPoints[i].Y;
float x2 = newPoints[i + 1].X;
float y2 = newPoints[i + 1].Y;
float t;
if (x1 > x2)
{
t = x2; x2 = x1; x1 = t;
}
if (y1 > y2)
{
t = y1; y1 = y2; y2 = t;
}
g.DrawRectangle(eyes[i / 2].Feature == FeatureType.Eye ? Pens.Green : Pens.Gray, new Rectangle((int)x1, (int)y1, (int)(x2 - x1), (int)(y2 - y1)));
}
}
}
str = s.settings["r.filter"]; //radius
if (!string.IsNullOrEmpty(str) && int.TryParse(str, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out i))
{
using (s.destBitmap) {
s.destBitmap = new RedEyeFilter((short)i).Apply(s.destBitmap);
}
//Note to future self: sobel/canny/eye kernel convolutions were not helpful; they were dead ends.
}
return(RequestedAction.None);
}
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);
}