public async Task <ActionResult <byte[]> > GetFractalImage(
int height, int width, double realStart, double realEnd, double imagStart, double imagEnd,
int maxIterations, FractalColorType colorType, string fractalName)
{
try
{
ParametersDto parameters = new ParametersDto
{
Height = height,
Width = width,
xMinimum = realStart,
xMaximum = realEnd,
yMinimum = imagStart,
yMaximum = imagEnd,
MaxIterations = maxIterations,
ColorType = colorType,
FractalName = fractalName,
MaxValueExtent = 2d
};
return(await fractalService.GetFractalByteArray(parameters));
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return(BadRequest(ex));
}
}
/// <summary>
/// Gets the fractal pixel color for a given iteration
/// </summary>
/// <param name="iteration">Current fractal Iteration</param>
/// <param name="maxIterations">Maximum Iterations</param>
/// <param name="colorType">FractalColorType</param>
/// <returns>Color</returns>
public static Color GetColor(int iteration, int maxIterations, FractalColorType colorType)
{
double hue;
int color;
switch (colorType)
{
case FractalColorType.BlueScheme:
hue = 255 - iteration * 255 / maxIterations;
return(GetColorFromHSV(hue, 1d, (iteration < maxIterations ? 1d : 0d)));
case FractalColorType.RedScheme:
hue = 255 * iteration / maxIterations;
return(GetColorFromHSV(hue, 1d, (iteration < maxIterations ? 1d : 0d)));
case FractalColorType.BlackAndWhite:
default:
hue = 255 - iteration * 255 / maxIterations;
color = (int)hue;
return(Color.FromArgb(color, color, color));
}
}
