public virtual ImageDiff makeDiff(Screenshot expected, Screenshot actual)
{
var diff = new ImageDiff(expected.getImage(), actual.getImage());
for (int i = 0; i < diff.getDiffImage().Width; i++)
{
for (int j = 0; j < diff.getDiffImage().Height; j++)
{
if (this.insideBothImages(i, j, expected.getImage(), actual.getImage()))
{
if (this.shouldCompare(i, j, expected, actual) && !ImageTool.rgbCompare(expected.getImage().GetPixel(i, j), actual.getImage().GetPixel(i, j), this.colorDistortion))
{
diff.addDiffPoint(i, j);
}
else
{
diff.getDiffImage().SetPixel(i, j, expected.getImage().GetPixel(i, j));
}
}
else
{
this.setSharedPoint(i, j, expected, actual, diff);
}
}
}
return(diff);
}
private Point getReferenceCorner(ImageDiff diff)
{
int x = diff.diffPoints.Min(pt => pt.X);
int y = diff.diffPoints.Min(pt => pt.Y);
return(new Point(x, y));
}
private ICollection <Point> deposeReference(ImageDiff diff)
{
Point reference = this.getReferenceCorner(diff);
ICollection <Point> referenced = new HashSet <Point>();
foreach (Point point in diff.diffPoints)
{
referenced.Add(new Point(point.X - reference.X, point.Y - reference.Y));
}
return(referenced);
}
private void setSharedPoint(int i, int j, Screenshot expected, Screenshot actual, ImageDiff diff)
{
if (Coords.ofImage(expected.getImage()).Contains(new Point(i, j)))
{
diff.getDiffImage().SetPixel(i, j, expected.getImage().GetPixel(i, j));
}
else
{
if (Coords.ofImage(actual.getImage()).Contains(new Point(i, j)))
{
diff.getDiffImage().SetPixel(i, j, actual.getImage().GetPixel(i, j));
}
}
}