public static Image <Rgba32> ToImage(ImageInfo imageInfo, PointGetter pointGetter)
{
var img = new Image <Rgba32>(imageInfo.Width, imageInfo.Height);
for (int i = 0; i < imageInfo.Pixels.Length; i++)
{
Point point = pointGetter(i, imageInfo.Width);
Rgba32 color = imageInfo.Palette[imageInfo.Pixels[i]];
img[point.X, point.Y] = color;
}
return(img);
}
public static void SaveAsPng(string file, Cell[] bank, uint blockSize, ImageInfo imageInfo, bool tiled = false, bool debug = false)
{
int minY = bank.Min(i => i.YOffset);
int yShift = minY < 0 ? -minY : 0;
int minX = bank.Min(i => i.XOffset);
int xShift = minX < 0 ? -minX : 0;
PointGetter pointGetter = tiled ? new PointGetter(PointUtil.GetPointTiled8) : new PointGetter(PointUtil.GetPoint);
Rgba32[] palette32 = imageInfo.Palette;
palette32[0] = Color.Transparent;
using (var graphic = new Image <Rgba32>(imageInfo.Width, imageInfo.Height))
{
for (int i = 0; i < bank.Length; i++)
{
Cell cell = bank[i];
if (cell.Width == 0x00 || cell.Height == 0x00)
{
continue;
}
int tileOffset = cell.TileOffset << (byte)blockSize;
int bankDataOffset = 0;
var startByte = tileOffset * 0x20 + bankDataOffset;
byte[] cellPixels = imageInfo.Pixels.Skip(startByte).Take(cell.Width * cell.Height).ToArray();
using (var cellImg = ToImage(new ImageInfo(cellPixels, palette32, cell.Width, cell.Height), pointGetter))
{
cellImg.Mutate(g =>
{
if (cell.FlipX)
{
g.Flip(FlipMode.Horizontal);
}
if (cell.FlipY)
{
g.Flip(FlipMode.Vertical);
}
});
graphic.Mutate(g =>
{
g.DrawImage(
image: cellImg,
location: new Point(cell.XOffset + xShift, cell.YOffset + yShift),
opacity: 1);
});
}
}
if (debug)
{
graphic.Mutate(g =>
{
for (int i = 0; i < bank.Length; i++)
{
var cell = bank[i];
g.DrawText(i.ToString(), SystemFonts.CreateFont("Arial", 9), Color.Black, new PointF(cell.XOffset + 2 + xShift, cell.YOffset + 2 + yShift));
g.Draw(new Pen(Color.Red, 1), new RectangleF(cell.XOffset + xShift, cell.YOffset + yShift, cell.Width, cell.Height));
}
});
}
graphic.SaveAsPng(file);
}
}
