public static SKImageInfo DecodeBounds(SKStreamRewindable stream, SKColorType pref = SKColorType.Unknown)
{
SKImageInfo info;
SKImageDecoder.DecodeStreamBounds(stream, out info, pref);
return(info);
}
public SKImageDecoder(SKStreamRewindable stream)
: this(SkiaApi.sk_imagedecoder_factory(stream.Handle))
{
if (Handle == IntPtr.Zero)
{
throw new ArgumentException("Unable to find a decoder for the sream.", "stream");
}
}
public static SKBitmap Decode(SKStreamRewindable stream, SKColorType pref = SKColorType.Unknown)
{
var bitmap = new SKBitmap();
if (!SKImageDecoder.DecodeStream(stream, bitmap, pref))
{
bitmap.Dispose();
bitmap = null;
}
return(bitmap);
}
public static bool DecodeStreamBounds(SKStreamRewindable stream, out SKImageInfo info, SKColorType pref, ref SKImageDecoderFormat format)
{
using (var bitmap = new SKBitmap())
{
if (DecodeStream(stream, bitmap, pref, SKImageDecoderMode.DecodePixels, ref format))
{
info = bitmap.Info;
return(true);
}
info = SKImageInfo.Empty;
return(false);
}
}
public static SKImageDecoderFormat GetFormat(SKStreamRewindable stream)
{
return(SkiaApi.sk_imagedecoder_get_stream_format(stream.Handle));
}
public static bool DecodeStream(SKStreamRewindable stream, SKBitmap bitmap, SKColorType pref, SKImageDecoderMode mode, ref SKImageDecoderFormat format)
{
return(SkiaApi.sk_imagedecoder_decode_stream(stream.Handle, bitmap.Handle, pref, mode, ref format));
}
public static bool DecodeStream(SKStreamRewindable stream, SKBitmap bitmap, SKColorType pref = SKColorType.Unknown, SKImageDecoderMode mode = SKImageDecoderMode.DecodePixels)
{
SKImageDecoderFormat format = SKImageDecoderFormat.Unknown;
return(DecodeStream(stream, bitmap, pref, mode, ref format));
}
public static bool DecodeStreamBounds(SKStreamRewindable stream, out SKImageInfo info, SKColorType pref = SKColorType.Unknown)
{
SKImageDecoderFormat format = SKImageDecoderFormat.Unknown;
return(DecodeStreamBounds(stream, out info, pref, ref format));
}