/// <summary>
/// Create a Mandelbrot Set then show it to the user asynchronously.
/// </summary>
/// <param name="func">The function to invoke asynchronously which will return a bitmap
/// of a Mandelbrot Set</param>
public async void DrawImageAsync(Size bitmapSize, ImageInfo imageInfo)
{
Form.OnRenderStart();
CurrentBitmapSize = bitmapSize;
/*
* get the current time which will be used to calculate how long it took to create and
* then output the MandelbrotSet
*/
long before = DateTimeOffset.Now.ToUnixTimeMilliseconds();
await Task.Run(() =>
{
var bitmap = MandelbrotSetBitmap.Render(bitmapSize, imageInfo);
if (bitmap != null)
{
Form.MandelbrotSet = bitmap;
}
});
long after = DateTimeOffset.Now.ToUnixTimeMilliseconds();
//output the time taken to draw a Mandelbrot Set
Form.CalculationTime = after - before;
Form.AxisWidth = imageInfo.AxisWidth;
Form.AxisHeight = imageInfo.AxisHeight;
Form.OnImageChange(imageInfo);
Form.OnRenderFinish();
}
public void Export()
{
if (form.AreOptionsValid())
{
string path = CreatePath(form.Folder, form.FileName);
var bitmapSize = form.BitmapSize;
var imageInfo = new ImageInfo(
CalculateAxisLengths(form.Magnification),
form.FocusPoint);
MandelbrotSetBitmap.ExportImageAsync(
path,
bitmapSize,
imageInfo,
form.iExportImage);
}
}