public static BitmapSource GenerateBitmapSource(int[] picture, MandelBrotArgs args)
{
var pic = GenerateBitmap(picture, args);
var bitmapSource = ConvertToBitmapSource(args, pic);
return(bitmapSource);
}
private static BitmapSource ConvertToBitmapSource(MandelBrotArgs args, Bitmap pic)
{
return(Imaging.CreateBitmapSourceFromHBitmap(pic.GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight((int)args.Size.Width,
(int)args.Size.Height)));
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
Args = new MandelBrotArgs {
ZoomBase = 2,
ZoomFactor = 7,
Iterations = 255,
Size = new Size(512, 512)
};
Picture = MandelbrotService.GenerateBitmapSource(MandelbrotService.Calculate(Args), Args);
IsLoaded = true;
}
public static Bitmap GenerateBitmap(int[] picture, MandelBrotArgs args)
{
var pic = new Bitmap((int)args.Size.Width, (int)args.Size.Height, PixelFormat.Format32bppArgb);
for (var x = 0; x < (long)args.Size.Width; x++)
{
for (var y = 0; y < (long)args.Size.Height; y++)
{
var arrayIndex = (y * (int)args.Size.Width) + x;
var color = picture[arrayIndex];
pic.SetPixel(x, y, GenerateColor(color));
}
}
return(pic);
}
public static int[] Calculate(MandelBrotArgs args)
{
var zoom = args.RealZoom;
var picture = new int[(long)(args.Size.Width * args.Size.Height)];
Parallel.For(0L, (long)args.Size.Height, (height) => {
for (long width = 0; width < (long)args.Size.Width; width++)
{
var c = new Complex(args.Center.X + ((width - (args.Size.Width / 2)) * zoom) /* - zoom /2*/,
args.Center.Y - ((height - (args.Size.Height / 2)) * zoom) /*- zoom /2*/);
picture[(long)(width + (height * args.Size.Width))] = MandelBrotFunction(c, new Complex(args.Z.X, args.Z.Y), args.Iterations);
}
});
return(picture);
}
public static void GenerateDiashow(MandelBrotArgs args, int pictureCount)
{
Parallel.For(args.ZoomFactor, args.ZoomFactor + pictureCount, (zoomfactor) => {
var zoomArgs = new MandelBrotArgs {
Center = new Point {
X = args.Center.X, Y = args.Center.Y
},
Iterations = args.Iterations,
Size = new Size {
Width = args.Size.Width, Height = args.Size.Height
},
Z = new Point {
X = args.Z.X, Y = args.Z.Y
},
ZoomBase = args.ZoomBase,
ZoomFactor = zoomfactor
};
var bitmap = GenerateBitmap(Calculate(zoomArgs), zoomArgs);
SavePicture(bitmap, $"pic_{zoomfactor}.png");
});
}
