private void Pending_ProgressChanged(object sender, MapCreationProgress e)
{
var pending = (PendingMapsWithID)sender;
decimal progress = e.PercentageComplete;
foreach (var id in pending.IDs)
{
ImportZone.SetProgress(id, progress);
}
}
public static IEnumerable <JavaMap> FromSettings(MapCreationSettings settings, IJavaVersion mapping, IProgress <MapCreationProgress> progress)
{
Bitmap original = ResizeImg(settings.Original, MAP_WIDTH * settings.SplitW, MAP_HEIGHT * settings.SplitH, settings.InterpMode, !settings.Stretch);
LockBitmap final = new LockBitmap((Bitmap)original.Clone());
final.LockBits();
// first index = which map this is
var colors = new byte[settings.NumberOfMaps][];
for (int i = 0; i < colors.Length; i++)
{
colors[i] = new byte[MAP_WIDTH * MAP_HEIGHT];
}
var report = new MapCreationProgress();
#region java map algorithm
for (int y = 0; y < final.Height; y++)
{
report.PercentageComplete = ((decimal)y) / final.Height;
progress.Report(report);
for (int x = 0; x < final.Width; x++)
{
Color oldpixel = final.GetPixel(x, y);
var newpixel = GetBestPixel(oldpixel, settings.Algorithm, mapping);
final.SetPixel(x, y, newpixel);
if (settings.Dither)
{
// floyd-steinberg
int error_a = oldpixel.A - newpixel.A;
int error_r = oldpixel.R - newpixel.R;
int error_g = oldpixel.G - newpixel.G;
int error_b = oldpixel.B - newpixel.B;
GiveError(final, x + 1, y, error_a, error_r, error_g, error_b, 7);
GiveError(final, x - 1, y + 1, error_a, error_r, error_g, error_b, 3);
GiveError(final, x, y + 1, error_a, error_r, error_g, error_b, 5);
GiveError(final, x + 1, y + 1, error_a, error_r, error_g, error_b, 1);
}
int currentmap = y / MAP_HEIGHT * settings.SplitW + x / MAP_WIDTH;
int currentpixel = MAP_WIDTH * (y % MAP_HEIGHT) + (x % MAP_WIDTH);
if (newpixel == Color.FromArgb(0, 0, 0, 0))
{
colors[currentmap][currentpixel] = 0x00;
}
else
{
colors[currentmap][currentpixel] = mapping.ColorToByte(newpixel);
}
}
}
#endregion
final.UnlockBits();
var maps = new List <JavaMap>();
for (int y = 0; y < settings.SplitH; y++)
{
for (int x = 0; x < settings.SplitW; x++)
{
Rectangle crop = new Rectangle(
x * original.Width / settings.SplitW,
y * original.Height / settings.SplitH,
original.Width / settings.SplitW,
original.Height / settings.SplitH);
var map_image = CropImage(final.GetImage(), crop);
maps.Add(new JavaMap(
CropImage(original, crop),
map_image,
colors[settings.SplitW * y + x]));
}
}
return(maps);
}