public static AvgColor[] ExtendHeight(this AvgColor[] colors, int height)
{
var extended = new AvgColor[colors.Length * height];
for (var i = 0; i < height; i++)
{
Array.Copy(colors, 0, extended, i * colors.Length, colors.Length);
}
return(extended);
}
public static AvgColor[] FlipHorizontal(this AvgColor[] colors, int width)
{
if (colors == null || width <= 0)
{
return(colors);
}
var flipped = new AvgColor[colors.Length];
for (var i = 0; i < colors.Length; i += width)
{
for (int j = 0, k = width - 1; j < width; ++j, --k)
{
flipped[i + j] = colors[i + k];
}
}
return(flipped);
}
public static AvgColor[] FlipVertical(this AvgColor[] colors, int width)
{
if (colors == null || width <= 0)
{
return(colors);
}
var flipped = new AvgColor[colors.Length];
for (int i = 0, j = colors.Length - width; i < colors.Length; i += width, j -= width)
{
for (var k = 0; k < width; ++k)
{
flipped[i + k] = colors[j + k];
}
}
return(flipped);
}
