private static Color GetPixelColor(IntPoint ptEnd, Bitmap bm)
{
System.Drawing.Imaging.BitmapData bpData =
bm.LockBits(new Rectangle(0, 0, bm.Width, bm.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite,
bm.PixelFormat);
byte[] rgbValues = new byte[4]; //just need to store a single pixel (r,g,b)
//int thisPixel = ptEnd.x * 3 + ptEnd.y * bpData.Stride;
IntPtr px = bpData.Scan0;
System.Runtime.InteropServices.Marshal.Copy(px, rgbValues, 0, 4);// + (int)bmpData.Scan0.ToInt64();
//returns the position of the R byte of the
//pixel corresponding to ptEnd
byte R = rgbValues[1];
byte G = rgbValues[2];
byte B = rgbValues[3];
//System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, px, 3);
//System.Runtime.InteropServices.Marshal.Release(px);
rgbValues = null;
px = IntPtr.Zero;
bm.UnlockBits(bpData);
bpData = null;
return Color.FromArgb(R, G, B);
}
private static void DrawToBitmap(IntPoint ptEnd, Color endColor, Bitmap bm)
{
System.Drawing.Imaging.BitmapData bpData =
bm.LockBits(new Rectangle(0, 0, bm.Width, bm.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite,
bm.PixelFormat);
byte[] rgbValues = new byte[4]; //just need to store a single pixel (r,g,b)
int thisPixel = ptEnd.x + ptEnd.y ;
IntPtr px = bpData.Scan0 + thisPixel;
System.Runtime.InteropServices.Marshal.Copy(px, rgbValues, 0, 4);
if( rgbValues[0] != (byte)1 )
{
rgbValues[0] = (byte)1;
rgbValues[1] = (byte)endColor.R;
rgbValues[2] = (byte)endColor.G;
rgbValues[3] = (byte)endColor.B;
}
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, px, 4);
bm.UnlockBits(bpData);
bpData = null;
}
private static IntPoint GetNextPoint(IntPoint ptStart, Random rnd, int width, int height)
{
//MUST HANDLE CASE WHERE X OFFSET GOES TO ANOTHER LINE OR TO TOP OR BOTTOM OF BITMAP
int X = ptStart.x;
int Y = ptStart.y;
X = X + rnd.Next(-1, 2);
Y = Y + rnd.Next(-1, 2);
while (X < 0 | X > width)
{
X = X < 0 ? X + 1 : X - 1; ;
}
while (Y < 0 | Y > height)
{
Y = Y < 0 ? Y + 1: Y - 1;
}
return new IntPoint(X, Y);
}
static void Main()
{
Random randomW = new Random();
//Random randomC = new Random();
Random rr = new Random();
Random rg = new Random();
Random rb = new Random();
Random random = new Random();
Random randomR = new Random();
Random randomG = new Random();
Random randomB = new Random();
Random pc = new Random();
Random myRandom = new Random();
//int LineLength = 1;
int FileSize = 1000000; //in bytes
int x = (int)Math.Truncate(Math.Sqrt(FileSize / 36));
int Width = 4 * x; // Screen.GetBounds(new Point(5, 5)).Width;
int Height = 3 * x; //Screen.GetBounds( new Point(5,5) ).Height;
Random pick = new Random();
//for (int g = 1; g < 20; g++)
//{
Color overlayColor = new Color();
overlayColor = Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255));
int redCenter = randomR.Next(0, 255);
int greenCenter = randomR.Next(0, 255);
int blueCenter = randomR.Next(0, 255);
int redTop = 0, redBottom = 0, greenTop = 0, greenBottom = 0, blueTop = 0, blueBottom = 0;
// pick a color to emphasize
int picker = 2;// pick.Next(0, 3);
switch (picker)
{
case 1:
{
greenCenter = (greenCenter - greenCenter / 5);
blueCenter = (blueCenter - blueCenter / 5);
redTop = redCenter + ((255 - redCenter) / 5);
greenTop = greenCenter + ((255 - greenCenter) / 5);
blueTop = blueCenter + ((255 - blueCenter) / 5);
redBottom = (redCenter - redCenter / 5);
greenBottom = (greenCenter - greenCenter / 5);
blueBottom = (blueCenter - blueCenter / 5);
break;
}
case 2:
{
redCenter = (redCenter - redCenter / 5);
blueCenter = (blueCenter - blueCenter / 5);
redTop = redCenter + ((255 - redCenter) / 5);
greenTop = greenCenter + ((255 - greenCenter) / 5);
blueTop = blueCenter + ((255 - blueCenter) / 5);
redBottom = (redCenter - redCenter / 5);
greenBottom = (greenCenter - greenCenter / 5);
blueBottom = (blueCenter - blueCenter / 5);
break;
}
case 3:
{
redCenter = (redCenter - redCenter / 5);
greenCenter = (greenCenter - greenCenter / 5);
redTop = redCenter + ((255 - redCenter) / 5);
greenTop = greenCenter + ((255 - greenCenter) / 5);
blueTop = blueCenter + ((255 - blueCenter) / 5);
redBottom = (redCenter - redCenter / 5);
greenBottom = (greenCenter - greenCenter / 5);
blueBottom = (blueCenter - blueCenter / 5);
break;
}
}
//do
//{
// bottom = rRange.Next(0, 255);
// top = rRange.Next(0, 255);
//} while (bottom > top);
double dR, dG, dB;
Bitmap bm = new Bitmap(Width, Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
//DO NOT DELETE THE FOLLOWING COMMENTED SECTION IT ALLOWS FOR INDIVIDUALLY SETTING PIXELS IN THE BITMAP
System.Drawing.Imaging.BitmapData bmpData =
bm.LockBits(new Rectangle(0,0,bm.Width,bm.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite,
bm.PixelFormat);
IntPtr ln1 = bmpData.Scan0;
int bytes = Math.Abs(bmpData.Stride) * bm.Height;
byte[] rgbValues = new byte[bytes];
System.Runtime.InteropServices.Marshal.Copy( ln1, rgbValues, 0, bytes );
//int ColorScale = 100;
dR = randomR.Next(0, 255);
dG = randomG.Next(0, 255);
dB = randomB.Next(0, 255);
int colorR = (int)Math.Truncate(dR);
int colorG = (int)Math.Truncate(dG);
int colorB = (int)Math.Truncate(dB);
for( int thisPixel = 0;thisPixel<rgbValues.Length-2; thisPixel++ )
{
//rgbValues[thisPixel-1] = (byte)0;
//rgbValues[thisPixel ] = (byte)colorR;
//rgbValues[thisPixel + 1] = (byte)colorG;
//rgbValues[thisPixel + 2] = (byte)colorB;
rgbValues[thisPixel] = (byte)255;
//if (thisPixel % 4 == 0)
// rgbValues[thisPixel] = (byte)255;
//if (thisPixel % 4 == 1 && !(thisPixel % 4 == 0))
// rgbValues[thisPixel] = (byte)255;
//if (thisPixel % 4 == 2 && !(thisPixel % 4 == 0) && !(thisPixel % 2 == 0) && !(thisPixel % 1 == 0))
// rgbValues[thisPixel] = (byte)255;
//if (!(thisPixel % 4 == 3) && !(thisPixel % 3 == 0) && !(thisPixel % 2 == 0) && !(thisPixel % 1 == 0))
// rgbValues[thisPixel] = (byte)255;
//dR = randomR.Next(0, 255);
//dG = randomR.Next(0, 255);
//dB = randomR.Next(0, 255);
//colorR = (int)Math.Truncate(dR);
//colorG = (int)Math.Truncate(dG);
//colorB = (int)Math.Truncate(dB);
}
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ln1, bytes);
bm.UnlockBits(bmpData);
// int Height = 1300;
// int Width = 2000;
//Form MainForm = new Form();
///MainForm.AutoSize = true;
//MainForm.MinimumSize = new Size(Width, Height);
//MainForm.Activate();
//MainForm.Show();
//PictureBox pb = new PictureBox();
//MainForm.Controls.Add(pb);
//MainForm.WindowState = System.Windows.Forms.FormWindowState.Maximized;
//pb.Size = new Size(Width, Height);
//pb.Show();
//int seventeen = myRandom.Next(1, 2);
// switch ( seventeen )
//
// {
//
// case 1 :
// pb.BackColor = System.Drawing.Color.White;
// break;
// case 2 :
//pb.BackColor = System.Drawing.Color.Black;
// break;
//
// }
int i;
int randomNumber; randomNumber = random.Next(0, 255);
for (int g = 1; g < 10; g++)
{
IntPoint ptStart = new IntPoint(random.Next(Width), random.Next(Height));
// Bitmap bm = new Bitmap(@"C:\Users\Kyland\Desktop\Test Projects\Random Bitmaps\Blank.bmp");
double rnd;
rnd = pc.Next(0, 8);
//pb.BackgroundImage = bm;
//System.Drawing.Graphics Drawer = System.Drawing.Graphics.FromImage(bm);
//Drawer.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
//Drawer.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//int PenCase = (int)Math.Truncate(rnd);
int PenCase = 4;
Color startColor = Color.FromArgb(0,0,0);
//float blendC1R, blendC1G, blendC1B, blendC2R, blendC2G, blendC2B = new float();
IntPoint ptEnd = new IntPoint(0,0);
//System.Drawing.Imaging.BitmapData bpData =
//bm.LockBits(new Rectangle(0, 0, bm.Width, bm.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite,
//bm.PixelFormat);
for (i = 1; i < 100000; i++)
//do
{
IntPoint[] pts = new IntPoint[2];
int c;
Random randomC = new Random();
Color endColor = new Color();
switch (PenCase)
{
case 1:
{
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
//ptEnd.Offset(random.Next(-(LineLength), LineLength + 1), random.Next(-(LineLength), LineLength + 1));
break;
}
case 2:
{ //black
//pn.Width = randomW.Next(0, 5);
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 3:
{ //all colors, random line width between 0 and 5 px
endColor = Color.FromArgb(random.Next(0,255),random.Next(0,255), random.Next(0,255), random.Next(0,255));
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 4:
{ //all colors, thinnest line width
ptEnd = GetNextPoint(ptStart, random, bm.Width, bm.Height);
//endColor = Blend(overlayColor, GetPixelColor(ptEnd, bm));
endColor = Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255), random.Next(0, 255));
pts[0] = ptStart;
pts[1] = ptEnd;
DrawToBitmap(ptEnd, endColor, bm);
//Drawer.DrawLine(pn, ptStart, ptEnd);
ptStart = ptEnd;
//pn.Color = endColor;
//pn.Width = 1;
break;
}
case 5:
{ //greyscale
c = randomC.Next(0, 255);
//pn.Color = System.Drawing.Color.FromArgb(c, c, c);
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 6:
{ //white
//pn.Color = System.Drawing.Color.White;
//ptEnd.X = ptStart.X;
//ptEnd.Y = ptStart.Y;
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 7:
{ //black thinnest line width
//pn.Width = 1;
//ptEnd.X = ptStart.X;
//ptEnd.Y = ptStart.Y;
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 8: //all colors, wider line width
{
//pn.Color = System.Drawing.Color.FromArgb( rr.Next(redBottom, redTop), rr.Next(greenBottom, greenCenter), rr.Next(blueBottom, blueTop) );
//pn.Width = randomW.Next(0, 50);
//ptEnd.X = ptStart.X;
//ptEnd.Y = ptStart.Y;
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
default:
{
//ptEnd.X = ptStart.X;
//ptEnd.Y = ptStart.Y;
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
} //end switch
//while (ptEnd.X == pb.ClientRectangle.X | ptEnd.Y == pb.ClientRectangle.Y
// | ptEnd.X == pb.ClientRectangle.Right | ptEnd.Y == pb.ClientRectangle.Bottom)
//{
// if (ptEnd.X == pb.ClientRectangle.X)
// ptEnd.X = ptEnd.X + 1;
// if (ptEnd.Y == pb.ClientRectangle.Y)
// ptEnd.Y = ptEnd.Y + 1;
// if (ptEnd.X == pb.ClientRectangle.Right)
// ptEnd.X = ptEnd.X - 1;
// if (ptEnd.Y == pb.ClientRectangle.Bottom)
// ptEnd.Y = ptEnd.Y - 1;
//}
//if (ptStart.IsEmpty)
// ptStart = new Point(random.Next(0, Width), random.Next(0, Height));
//pb.Refresh();
//
//Application.DoEvents();
pts = null;
}
//while (System.DateTime.Now.Minute != 15);
//pn.Dispose();
//Drawer.Dispose();
//bm.Save(@"C:\Users\kylan_000\Desktop\Test Projects\Random Bitmaps\RandomArt.RandomWalk\WithBlending\Random Walk " + DateTime.Now.Month + "-" + DateTime.Now.Day + "-" + DateTime.Now.Year + " " + DateTime.Now.Hour + "h" + DateTime.Now.Minute + "m" + DateTime.Now.Second + "s" + ".bmp", System.Drawing.Imaging.ImageFormat.Bmp);
//MainForm.Dispose();
}
bm.Save(@"C:\Users\kylan_000\Desktop\Test Projects\Random Bitmaps\RandomArt.RandomWalk\WithBlending\Random Walk " + DateTime.Now.Month + "-" + DateTime.Now.Day + "-" + DateTime.Now.Year + " " + DateTime.Now.Hour + "h" + DateTime.Now.Minute + "m" + DateTime.Now.Second + "s" + ".bmp", System.Drawing.Imaging.ImageFormat.Bmp);
}