/// <summary>
/// Writes the resulting graphics as a PNG image to the specified stream.
/// <para>
/// The canvas can no longer be used for drawing after calling this method.</para>
/// </summary>
/// <param name="stream">The stream to write to.</param>
public void WriteTo(Stream stream)
{
_canvas.Dispose();
_canvas = null;
using (var image = SKImage.FromBitmap(_bitmap))
using (var data = image.Encode(SKEncodedImageFormat.Png, 90))
using (var imageDataStream = data.AsStream())
{
PngProcessor.InsertDpi(imageDataStream, stream, _dpi);
}
Close();
}
/// <summary>
/// Writes the resulting graphics as a PNG image to the specified file path.
/// <para>
/// The canvas can no longer be used for drawing after calling this method.</para>
/// </summary>
/// <param name="path">The path (file name) to write to.</param>
public void SaveAs(string path)
{
_canvas.Dispose();
_canvas = null;
using (var image = SKImage.FromBitmap(_bitmap))
using (var data = image.Encode(SKEncodedImageFormat.Png, 90))
using (var imageDataStream = data.AsStream())
using (var stream = File.OpenWrite(path))
{
PngProcessor.InsertDpi(imageDataStream, stream, _dpi);
}
Close();
}
/// <summary>
/// Gets the resulting graphics encoded as a PNG image in a byte array.
/// <para>
/// The canvas can no longer be used for drawing after calling this method.</para>
/// </summary>
/// <returns>The byte array containing the PNG image</returns>
public override byte[] ToByteArray()
{
_canvas.Dispose();
_canvas = null;
byte[] result;
using (var image = SKImage.FromBitmap(_bitmap))
using (var data = image.Encode(SKEncodedImageFormat.Png, 90))
using (var imageDataStream = data.AsStream())
{
var buffer = new MemoryStream();
PngProcessor.InsertDpi(imageDataStream, buffer, _dpi);
result = buffer.ToArray();
}
Close();
return(result);
}