public string AsBase64Png()
{
int numBytes;
IntPtr mem = SimpleImageIOCore.WritePngToMemory(data, Width, Height, 3, out numBytes);
byte[] bytes = new byte[numBytes];
Marshal.Copy(mem, bytes, 0, numBytes);
SimpleImageIOCore.FreeMemory(mem);
return(Convert.ToBase64String(bytes));
}
public void WriteToFile(string filename)
{
// First, make sure that the full path exists
var dirname = System.IO.Path.GetDirectoryName(filename);
if (dirname != "")
{
System.IO.Directory.CreateDirectory(dirname);
}
SimpleImageIOCore.WriteImage(data, Width, Height, 3, filename);
}
void LoadFromFile(string filename)
{
// Read the image from the file, it is cached in native memory
int width, height;
int id = SimpleImageIOCore.CacheImage(out width, out height, filename);
if (id < 0)
{
throw new System.IO.IOException($"ERROR: Could not load image file '{filename}'");
}
// Copy to managed memory array
data = new Vector3[height, width];
SimpleImageIOCore.CopyCachedImage(id, data);
}