// non-allocation image generator
public static Bitmap GetBitmapLayerAcre(FieldItemLayer layer, int x0, int y0, int scale, int[] acre1, int[] acreScale, Bitmap dest, int transparency = -1)
{
var w = layer.GridWidth;
var h = layer.GridHeight;
LoadPixelsFromLayer(layer, x0, y0, w, acre1);
w *= scale;
h *= scale;
ImageUtil.ScalePixelImage(acre1, acreScale, w, h, scale);
if (transparency >> 24 != 0xFF)
{
ImageUtil.SetAllTransparencyTo(acreScale, transparency);
}
// draw symbols over special items now?
DrawDirectionals(acreScale, layer, w, x0, y0, scale);
// Slap on a grid
DrawGrid(acreScale, w, h, scale);
// Return final data
ImageUtil.SetBitmapData(dest, acreScale);
return(dest);
}
public static Bitmap GetBitmapLayer(FieldItemLayer layer, int x, int y, int[] data, Bitmap dest, int transparency = -1)
{
LoadBitmapLayer(layer.Tiles, data, layer.MapWidth, layer.MapHeight);
if (transparency >> 24 != 0xFF)
{
ImageUtil.SetAllTransparencyTo(data, transparency);
}
ImageUtil.SetBitmapData(dest, data);
return(DrawViewReticle(dest, layer, x, y));
}