protected override void WriteFile(HttpResponseBase response)
{
response.Clear();
if(!string.IsNullOrEmpty(Etag))
{
response.AppendHeader("ETag", Etag);
}
response.ContentType = "image/png";
var renderer = new IdenticonRenderer();
using(Bitmap b = renderer.Render(Code, Size))
{
using(var stream = new MemoryStream())
{
b.Save(stream, ImageFormat.Png);
stream.WriteTo(response.OutputStream);
}
}
}
private void GenerateCivIdenticons()
{
List<Entity> civs = Entities.Where(entity => entity.IsCiv).ToList();
List<string> races = Entities.Where(entity => entity.IsCiv).GroupBy(entity => entity.Race).Select(entity => entity.Key).OrderBy(entity => entity).ToList();
int identiconSeed = Events.Count;
Random code = new Random(identiconSeed);
//Calculates color
//Creates a variety of colors
//Races 1 to 6 get a medium color
//Races 7 to 12 get a light color
//Races 13 to 18 get a dark color
//19+ reduced color variance
int maxHue = 300;
int colorVariance;
if (races.Count <= 1)
colorVariance = 0;
else if (races.Count <= 6) colorVariance = Convert.ToInt32(Math.Floor(maxHue / Convert.ToDouble(races.Count - 1)));
else if (races.Count > 18) colorVariance = Convert.ToInt32(Math.Floor(maxHue / (Math.Ceiling(races.Count / 3.0) - 1)));
else colorVariance = 60;
foreach (Entity civ in civs)
{
int colorIndex = races.IndexOf(civ.Race);
Color raceColor;
if (colorIndex * colorVariance < 360) raceColor = Formatting.HsvToRgb(colorIndex * colorVariance, 1, 1.0);
else if (colorIndex * colorVariance < 720) raceColor = Formatting.HsvToRgb(colorIndex * colorVariance - 360, 0.4, 1);
else if (colorIndex * colorVariance < 1080) raceColor = Formatting.HsvToRgb(colorIndex * colorVariance - 720, 1, 0.4);
else raceColor = Color.Black;
int identiconCode;
IdenticonRenderer identiconRenderer = new IdenticonRenderer();
identiconCode = code.Next();
civ.IdenticonCode = identiconCode;
int alpha;
if (races.Count <= 12) alpha = 175;
else alpha = 175;
if (!MainRaces.ContainsKey(civ.Race))
{
MainRaces.Add(civ.Race, raceColor);
}
civ.IdenticonColor = Color.FromArgb(alpha, raceColor);
civ.LineColor = raceColor;
using (MemoryStream identiconStream = new MemoryStream())
{
using (Bitmap identicon = identiconRenderer.Render(identiconCode, 64, civ.IdenticonColor))
{
identicon.Save(identiconStream, System.Drawing.Imaging.ImageFormat.Png);
byte[] identiconBytes = identiconStream.GetBuffer();
civ.Identicon = new Bitmap(identicon);
civ.IdenticonString = Convert.ToBase64String(identiconBytes);
}
}
using (MemoryStream smallIdenticonStream = new MemoryStream())
{
using (Bitmap smallIdenticon = identiconRenderer.Render(identiconCode, 24, civ.IdenticonColor))
{
smallIdenticon.Save(smallIdenticonStream, System.Drawing.Imaging.ImageFormat.Png);
byte[] smallIdenticonBytes = smallIdenticonStream.GetBuffer();
civ.SmallIdenticonString = Convert.ToBase64String(smallIdenticonBytes);
}
}
foreach (Entity group in civ.Groups)
{
group.Identicon = civ.Identicon;
group.SmallIdenticonString = civ.SmallIdenticonString;
}
}
Bitmap nullIdenticon = new Bitmap(64, 64);
using (Graphics nullGraphics = Graphics.FromImage(nullIdenticon))
{
using (SolidBrush nullBrush = new SolidBrush(Color.FromArgb(150, Color.Red)))
nullGraphics.FillRectangle(nullBrush, new Rectangle(0, 0, 64, 64));
Entities.Where(entity => entity.Identicon == null).ToList().ForEach(entity => entity.Identicon = nullIdenticon);
}
}
public static void SetIdenticonAsUserImage(User user)
{
var code = Guid.NewGuid().GetHashCode();
var profileImage = new IdenticonRenderer().Render(code, SIZE);
user.ProfileImageBytes = ProfileImageHelper.ConvertForDb(profileImage);
}
public Bitmap GetIdenticon(int size)
{
IdenticonRenderer identiconRenderer = new IdenticonRenderer();
return identiconRenderer.Render(IdenticonCode, size, IdenticonColor);
}