Greyscale bars/Display: Difference between revisions

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using System.Drawing;

using System.Windows.Forms;

static class Program

static class Program { static void Main() { Application.Run(new FullScreen()); } }

{

static void Main()

{

Application.Run(new FullScreen());

}

public sealed class FullScreen : Form

{

const int ColorCount = 256;

public FullScreen()

{

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BackgroundImage = ColorBars(Screen.FromControl(this).Bounds);

}

private static Bitmap ColorBars(Rectangle ~~screen~~)

private static Bitmap ColorBars(Rectangle size)

{

~~int~~ ~~width~~ = ~~screen~~.Width, ~~height = screen~~.Height;

var colorBars = new Bitmap(size.Width, size.Height);

Func<int, int, int> forwardColor = (x, divs) => (int)(x * ((float)divs / size.Width)) * ColorCount / divs;

var colorBars = new Bitmap(width, height);

Func<int, int, int> reverseColor = (x, divs) => ColorCount - 1 - forwardColor(x, divs);

var colorLimit = 256;

⚫

Action<int, int, int> setGray = (x, y, gray) => colorBars.SetPixel(x, y, Color.FromArgb(gray, gray, gray));

int stripeHeight = height/4;

~~for~~ (int x = 0; x < ~~width;~~ x++)

Action<int, int, int> setForward = (x, y, divs) => setGray(x, y, forwardColor(x, divs));

Action<int, int, int> setReverse = (x, y, divs) => setGray(x, y, reverseColor(x, divs));

int verticalStripe = size.Height / 4;

⚫

for (int x = 0; x < size.Width; x++)

{

int ~~divisions~~ = 8;

for (int y = 0; y < verticalStripe; y++) setForward(x, y, 8);

⚫

for (int y = verticalStripe; y < verticalStripe * 2; y++) setReverse(x, y, 16);

Func<int> forwardColor = () => x/(width/divisions)*(colorLimit/divisions);

~~Func<~~int> ~~reverseColor~~ = () => ~~colorLimit~~ - 1 - ~~forwardColor~~();

for (int y = verticalStripe * 2; y < verticalStripe * 3; y++) setForward(x, y, 32);

~~Action<~~int> ~~setForward~~ = y => ~~colorBars.SetPixel(x,~~ y, ~~Color.FromArgb~~(~~forwardColor()~~, ~~forwardColor()~~, ~~forwardColor())~~);

for (int y = verticalStripe * 3; y < verticalStripe * 4; y++) setReverse(x, y, 64);

⚫

Action<int> ~~setReverse~~ = y => colorBars.SetPixel(x, y, Color.FromArgb(~~reverseColor()~~, ~~reverseColor()~~, ~~reverseColor()~~));

⚫

for (int y = 0; y < ~~stripeHeight~~; y++) ~~setForward(y);~~

divisions = 16;

⚫

for (int y = ~~stripeHeight~~; y < ~~stripeHeight~~*2; y++) setReverse(y);

divisions = 32;

for (int y = stripeHeight*2; y < stripeHeight*3; y++) setForward(y);

divisions = 64;

for (int y = stripeHeight*3; y < stripeHeight*4; y++) setReverse(y);

}

return colorBars;