public void Display()
{
CSCL.Imaging.Graphic image=new CSCL.Imaging.Graphic((uint)width, (uint)height, Format.RGB);
for(Int64 i=Constants.GraphicMemoryDisplayAdressStart; i<width*height; i++)
{
Int64 x=i%width;
Int64 y=i/width;
byte r=data[i+0];
byte g=data[i+1];
byte b=data[i+2];
byte a=data[i+3];
image.SetPixel((int)x, (int)y, Color.FromArgb(a, r, g, b));
}
image.SaveToPNG("display.png");
}
/// <summary>
/// Applies an edge filter to the bitmap.
/// </summary>
/// <param name="bitmap">A bitmap.</param>
/// <returns>Edge bitmap.</returns>
public static Graphic DetectEdges(Graphic bitmap)
{
Graphic grayscaleMap=bitmap.ConvertToGray();
Graphic edgeMap=new Graphic(grayscaleMap.Width, grayscaleMap.Height, Format.RGB);
for(int y=1; y<edgeMap.Height-1; y++)
{
for(int x=1; x<edgeMap.Width-1; x++)
{
int sum=System.Math.Abs(grayscaleMap.GetPixel(x-1, y-1).R+grayscaleMap.GetPixel(x, y-1).R+grayscaleMap.GetPixel(x+1, y-1).R
-grayscaleMap.GetPixel(x-1, y+1).R-grayscaleMap.GetPixel(x, y+1).R-grayscaleMap.GetPixel(x+1, y+1).R);
System.Drawing.Color z1=grayscaleMap.GetPixel(x-1, y-1);
System.Drawing.Color z2=grayscaleMap.GetPixel(x, y-1);
System.Drawing.Color z3=grayscaleMap.GetPixel(x+1, y-1);
System.Drawing.Color z4=grayscaleMap.GetPixel(x-1, y+1);
System.Drawing.Color z5=grayscaleMap.GetPixel(x, y+1);
System.Drawing.Color z6=grayscaleMap.GetPixel(x+1, y+1);
int foo=z1.R+z2.R+z3.R-z4.R-z5.R-z6.R;
if(sum>255)
sum=255;
sum=255-sum;
edgeMap.SetPixel(x, y, System.Drawing.Color.FromArgb(255, sum, sum, sum));
}
}
return edgeMap;
}