Exemplo n.º 1
0
        protected override void Execute(CodeActivityContext context)
        {
            Image originalImage  = context.GetValue(this.ImageToConvert);
            Color undesiredColor = context.GetValue(this.ColorToChange);
            Color desiredColor   = context.GetValue(this.ColorToSet);

            // Get number of pixels to skip
            int skipLeft   = context.GetValue(this.SkipPixelsFromLeft);
            int skipTop    = context.GetValue(this.SkipPixelsFromTop);
            int skipRight  = context.GetValue(this.SkipPixelsFromRight);
            int skipBottom = context.GetValue(this.SkipPixelsFromBottom);

            Bitmap newBitmap = new Bitmap(originalImage);

            for (int x = 0 + skipLeft; x < newBitmap.Width - skipRight; x++)
            {
                for (int y = 0 + skipBottom; y < newBitmap.Height - skipTop; y++)
                {
                    var originalColor = newBitmap.GetPixel(x, y);
                    if (StaticHelpers.ClassifyAsGeneralColor(originalColor) == undesiredColor)
                    {
                        newBitmap.SetPixel(x, y, desiredColor);
                    }
                }
            }

            ChangedImage.Set(context, newBitmap);
        }
Exemplo n.º 2
0
        protected override void Execute(CodeActivityContext context)
        {
            Bitmap originalImage = (Bitmap)context.GetValue(this.ImageToCheck);
            // Get number of pixels to skip
            int skipLeft   = context.GetValue(this.SkipPixelsFromLeft);
            int skipTop    = context.GetValue(this.SkipPixelsFromTop);
            int skipRight  = context.GetValue(this.SkipPixelsFromRight);
            int skipBottom = context.GetValue(this.SkipPixelsFromBottom);

            var  foundColors        = new Dictionary <Color, double>();
            long totalScannedPixels = 0;

            for (int x = 0 + skipLeft; x < originalImage.Width - skipRight; x++)
            {
                for (int y = 0 + skipBottom; y < originalImage.Height - skipTop; y++)
                {
                    var originalColor = StaticHelpers.ClassifyAsGeneralColor(originalImage.GetPixel(x, y));
                    if (foundColors.ContainsKey(originalColor))
                    {
                        foundColors[originalColor] += 1;
                    }
                    else
                    {
                        foundColors[originalColor] = 1;
                    }

                    totalScannedPixels += 1;
                }
            }

            var sortedFoundColors = new SortedList <double, Color>(foundColors.Count());

            foreach (var color in foundColors.Keys)
            {
                sortedFoundColors.Add(foundColors[color] / totalScannedPixels, color);
            }

            ColorsInImage.Set(context, sortedFoundColors);
        }