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);
}
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);
}