/// <summary>
/// Returns true if the subregion of the other image matches the region at (x,y) of this image.
/// </summary>
public bool Matches(int at_x, int at_y, Image other, Rectangle region)
{
if (at_x < 0 || at_y < 0 || (at_x + region.Width) > Width || (at_y + region.Height) > Height)
{
throw new Exception("Invalid selection(s)");
}
if (Width != other.Width || Height != other.Height)
{
return(false);
}
else
{
Color[,] image1 = GetPixels(new Rectangle(at_x, at_y, region.Width, region.Height));
Color[,] image2 = other.GetPixels(region);
int width = image1.GetLength(0);
int height = image1.GetLength(1);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
if (image1[x, y] == image2[x, y])
{
return(false);
}
}
}
return(true);
}
}
/// <summary>
/// Returns true if the images have the same pixels.
/// </summary>
public bool Matches(Image other)
{
if (Width != other.Width || Height != other.Height)
{
return(false);
}
else
{
Color[,] image1 = GetPixels(new Rectangle(0, 0, Width, Height));
Color[,] image2 = other.GetPixels(new Rectangle(0, 0, Width, Height));
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
if (image1[x, y] == image2[x, y])
{
return(false);
}
}
}
return(true);
}
}
