public static BackgroundWorker RenderMinimapWorker()
{
var worker = new BackgroundWorker();
worker.WorkerReportsProgress = true;
worker.WorkerSupportsCancellation = true;
worker.DoWork += (sender, args) =>
{
var w = (BackgroundWorker)sender;
var m = (IReadOnlyMapModel)args.Argument;
using (var map = new MapPixelImageAdapter(m.Tile.TileGrid))
{
int width, height;
if (map.Width > map.Height)
{
width = 252;
height = (int)(252 * (map.Height / (float)map.Width));
}
else
{
height = 252;
width = (int)(252 * (map.Width / (float)map.Height));
}
var wrapper = new NearestNeighbourPaletteWrapper(
new BilinearWrapper(map, width, height),
PaletteFactory.TAPalette);
var b = new Bitmap(wrapper.Width, wrapper.Height);
using (var g = Graphics.FromImage(b))
{
g.FillRectangle(Brushes.Black, new Rectangle(0, 0, b.Width, b.Height));
}
for (var y = 0; y < wrapper.Height; y++)
{
if (w.CancellationPending)
{
args.Cancel = true;
return;
}
for (var x = 0; x < wrapper.Width; x++)
{
b.SetPixel(x, y, wrapper.GetPixel(x, y));
}
var percentComplete = ((y + 1) * 100) / wrapper.Height;
w.ReportProgress(percentComplete);
}
args.Result = b;
}
};
return(worker);
}
public static Bitmap GenerateMinimapLinear(IPixelImage map)
{
int width, height;
if (map.Width > map.Height)
{
width = 252;
height = (int)(252 * (map.Height / (float)map.Width));
}
else
{
height = 252;
width = (int)(252 * (map.Width / (float)map.Height));
}
var wrapper = new NearestNeighbourPaletteWrapper(
new BilinearWrapper(map, width, height),
PaletteFactory.TAPalette);
return(ToBitmap(wrapper));
}
