public void UpdateColors()
{
int desiredWidth = _ObjectWidth;
int desiredHeight = _ObjectHeight;
if (Crop != null)
{
Crop.SetImage(Bitmap, desiredWidth, desiredHeight);
desiredWidth = Crop.GetWidth();
desiredHeight = Crop.GetHeight();
}
var resampled = Resampler.Resample(Bitmap, desiredWidth, desiredHeight);
var colors = resampled.ToColors();
for (int i = 0; i < Colors.Length; i++)
{
Colors[i] = new UnityEngine.Color(0f, 0f, 0f, 0f);
}
var startX = (int)(_ObjectX + (_ObjectWidth - desiredWidth) / 2f);
var startY = (int)(_ObjectY + (_ObjectHeight - desiredHeight) / 2f);
for (int y = _ObjectY; y < _ObjectY + _ObjectHeight; y++)
{
for (int x = _ObjectX; x < _ObjectX + _ObjectWidth; x++)
{
if (x >= startX && y >= startY && x < startX + desiredWidth && y < startY + desiredHeight)
{
int px = x;
int py = y;
if (px >= 0 && px < _Width && py >= 0 && py < _Height)
{
Colors[px + py * _Width] = colors[(x - startX) + (y - startY) * desiredWidth];
}
}
}
}
UpdateTexture();
}
public void ParsePattern(ICrop crop, ISampling sampling, IColorQuantizer quantizer, IColorCache colorCache)
{
if (!this.IsParsing)
{
IsParsing = true;
Thread thread = new Thread(() =>
{
var bmp = new Bitmap((System.Drawing.Image)Image.Clone());
int desiredWidth = 32;
int desiredHeight = 32;
if (crop != null)
{
crop.SetImage(bmp);
desiredWidth = crop.GetWidth();
desiredHeight = crop.GetHeight();
}
if (quantizer is BaseColorCacheQuantizer colorCacheQuantizer)
{
colorCacheQuantizer.ChangeCacheProvider(colorCache);
}
var sampledBmp = sampling.Resample(bmp, desiredWidth, desiredHeight);
bmp.Dispose();
bmp = sampledBmp;
Bitmap croppedBmp = new Bitmap(32, 32, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(croppedBmp))
{
graphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
graphics.DrawImage(bmp, (32 - bmp.Width) / 2, (32 - bmp.Height) / 2, bmp.Width, bmp.Height);
}
bmp.Dispose();
bmp = croppedBmp;
var transparentPixels = new bool[bmp.Width * bmp.Height];
for (var y = 0; y < bmp.Height; y++)
{
for (var x = 0; x < bmp.Width; x++)
{
transparentPixels[x + y * bmp.Width] = bmp.GetPixel(x, y).A != 255;
}
}
var targetImage = ImageBuffer.QuantizeImage(bmp, quantizer, null, 15, 1);
bmp.Dispose();
bmp = new Bitmap(targetImage);
for (var y = 0; y < bmp.Height; y++)
{
for (var x = 0; x < bmp.Width; x++)
{
if (transparentPixels[x + y * bmp.Width])
{
bmp.SetPixel(x, y, System.Drawing.Color.FromArgb(0, 0, 0, 0));
}
}
}
Result = bmp;
IsReady = true;
IsParsing = false;
});
thread.Start();
}
}