public static Graymap VerticalStripes(int width, int height, int[] values, int stripeWidth)
{
Graymap map = new Graymap(width, height, values.Max());
int[] line = new int[width];
int valueIndex = 0;
for (int i = 0; i < width; i++)
{
line[i] = values[valueIndex];
if (i % stripeWidth == 0 && i > 0)
{
valueIndex++;
}
if (valueIndex == values.Length)
{
valueIndex = 0;
}
}
for (int y = 0; y < height; y++)
{
map.Data[y] = line;
}
return(map);
}
public static Graymap HorizontalStripes(int width, int height, int[] values, int stripeHeight)
{
Graymap map = new Graymap(width, height, values.Max());
int valueIndex = 0;
for (int y = 0; y < height; y++)
{
Array.Fill(map.Data[y], values[valueIndex]);
if ((y + 1) % stripeHeight == 0 && y > 0)
{
valueIndex++;
}
if (valueIndex == values.Length)
{
valueIndex = 0;
}
}
return(map);
}
public static Graymap GenerateChessboardProtected(int size, int maxValue)
{
Graymap map = new Graymap(size, size, maxValue);
int squareSize = size / 8;
int[] dark = new int[squareSize];
int[] light = new int[squareSize];
Array.Fill(dark, 0);
Array.Fill(light, maxValue);
int[] lightFirst = new int[squareSize * 8];
int[] darkFirst = new int[squareSize * 8];
for (int i = 0; i < 8; i++)
{
Array.Copy(i % 2 == 0 ? dark : light, 0, darkFirst, i * squareSize, squareSize);
Array.Copy(i % 2 == 0 ? light : dark, 0, lightFirst, i * squareSize, squareSize);
}
for (int i = 0; i < 8; i++)
{
if (i % 2 == 0)
{
for (int j = 0; j < squareSize; j++)
{
Array.Copy(lightFirst, map.Data[(i * squareSize) + j], lightFirst.Length);
}
}
else
{
for (int j = 0; j < squareSize; j++)
{
Array.Copy(darkFirst, map.Data[(i * squareSize) + j], darkFirst.Length);
}
}
}
return(map);
}