private void ScaleRegion(TileScaleEntry entry)
{
var sw = Stopwatch.StartNew();
var regionPos = entry.Position;
if (!entry.IsRegionDirty(regionPos.GetBlockBounds()))
{
return;
}
using (var baseImg = entry.GetBitmap())
{
var format = baseImg.PixelFormat;
var sync = new object();
//Parallel.For(0, Scale, tX =>
for (int tX = 0; tX < Scale; tX++)
{
//Parallel.For(0, Scale, tZ =>
for (int tZ = 0; tZ < Scale; tZ++)
{
// Check if update is actually required.
var tilePos = new TilePosition((regionPos.X << Zoom) + tX, (regionPos.Z << Zoom) + tZ,
Zoom);
if (!entry.IsRegionDirty(tilePos.GetBlockBounds()))
{
continue;
}
Bitmap img;
lock (sync)
{
img = baseImg.Clone(
new Rectangle(tX * RegionTileSize.Width, tZ * RegionTileSize.Height,
RegionTileSize.Width, RegionTileSize.Height), format);
}
DrawTile(img, tilePos);
Scaler.OnTileUpdated?.Invoke(this,
new TileUpdateEventArgs(Scaler.LevelId, Scaler.LayerId, tilePos));
} //);
} //);
}
//Log.InfoFormat("Scaled Region {0} to Zoom Level {1} in {2}ms", regionPos, Zoom, sw.ElapsedMilliseconds);
}
