Exemplo n.º 1
0
        /// <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();
                }
            }
        }
Exemplo n.º 2
0
        /// <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();
            }
        }