static int DrawToBitmap(ref TBitmap bm, BitmapPoint pt, Color color)
{
int x = pt.x;
int y = pt.y;
bm.values[x + (y * (bm.Width-1))].R = (byte)color.R;
bm.values[x + (y * (bm.Width-1))].G = (byte)color.G;
bm.values[x + (y * (bm.Width-1))].B = (byte)color.B;
bm.values[x + (y * (bm.Width-1))].A = (byte)color.A;
bm.values[x + (y * (bm.Width-1))].point = pt;
return 1;
}
public RandomWalk(int maxFileSize, bool populateSpace = false, bool createBitmap = false, BitmapPoint? startingPoint = null, string bitmapFilePath = null)
{
int numberDrawn = 0;
if (bitmapFilePath == null)
_filePath = @"C:\Users\kylan_000\Desktop\Test Projects\Random Bitmaps\RandomArt.2013\WithPointers\";
else _filePath = bitmapFilePath;
_space = new Space();
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 = 10000000; //in bytes
int x = (int)Math.Truncate(Math.Sqrt(maxFileSize / 36)) + 1;
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();
Console.WriteLine("Setting up data structure...");
if (createBitmap)
{
_tBitmap = new TBitmap(Width, Height);
Console.WriteLine("Initializing bitmap...");
for (int k = 0; k < _tBitmap.values.Length; k++)
{
_tBitmap.values[k].R = (byte)0;
_tBitmap.values[k].G = (byte)0;
_tBitmap.values[k].B = (byte)0;
_tBitmap.values[k].A = (byte)0;
}
}
int i;
int randomNumber; randomNumber = random.Next(0, 255);
//for (int g = 1; g < 10; g++)
//{
BitmapPoint ptStart = startingPoint == null ? new BitmapPoint(random.Next(Width), random.Next(Height)) : new BitmapPoint(((BitmapPoint)startingPoint).x,((BitmapPoint)startingPoint).y);
double rnd;
rnd = pc.Next(0, 8);
int PenCase = 4;
Color startColor = Color.FromArgb(random.Next(0,255),random.Next(0,255),random.Next(0,255));
BitmapPoint ptEnd = new BitmapPoint(0, 0);
Random randomC = new Random();
int iMax = (int)Math.Truncate(Math.Pow(maxFileSize, 0.9));
Console.WriteLine("Generating random walk...");
for (i = 1; i < iMax; i++)
//do
{
//IntPoint[] pts = new IntPoint[2];
int c;
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));
//ptEnd = GetNextPoint(ptStart, random, bpData.Stride, bpData.Height);
break;
}
case 4:
{ //all colors, thinnest line width
ptEnd = GetNextPoint(new Point(ptStart.x, ptStart.y), random, Width, Height);
endColor = Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255), random.Next(0, 255));
//endColor = Blend(startColor, GetPixelColor(ptEnd, tBm), random);
if(createBitmap)
numberDrawn += DrawToBitmap(ref _tBitmap, ptEnd, endColor);
ptStart.x = ptEnd.x; ptStart.y = ptEnd.y;
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
if (populateSpace)
{
_space.Add(new BitmapPoint(ptEnd.x, ptEnd.y));
_size++;
}
}
//}
if(createBitmap)
WriteDataToStandardBitmap(ref _tBitmap);
}
private static Color GetPixelColor(BitmapPoint ptEnd, TBitmap bm)
{
return Color.FromArgb(bm.values[ptEnd.x + ptEnd.y * bm.Height].R, bm.values[ptEnd.x + ptEnd.y * bm.Height].G, bm.values[ptEnd.x + ptEnd.y * bm.Height].B);
}
