private void AddInput(int ioId, IBytesSource source)
{
if (_inputs.ContainsKey(ioId) || _outputs.ContainsKey(ioId))
{
throw new ArgumentException("ioId", $"ioId {ioId} has already been assigned");
}
_inputs.Add(ioId, source);
}
/// <summary>
/// Draw a watermark from the given BytesSource or StreamSource
/// </summary>
/// <param name="source"></param>
/// <param name="ioId"></param>
/// <param name="watermark"></param>
/// <returns></returns>
public BuildNode Watermark(IBytesSource source, int?ioId, WatermarkOptions watermark)
{
if (ioId == null)
{
ioId = this.Builder.GenerateIoId();
}
this.Builder.AddInput(ioId.Value, source);
return(To(new
{
watermark = watermark.ToImageflowDynamic(ioId.Value)
}));
}
public BuildEndpoint BuildCommandString(IBytesSource source, int?sourceIoId, IOutputDestination dest, int?destIoId, string commandString, ICollection <InputWatermark> watermarks)
{
sourceIoId = sourceIoId ?? GenerateIoId();
AddInput(sourceIoId.Value, source);
destIoId = destIoId ?? GenerateIoId();
AddOutput(destIoId.Value, dest);
if (watermarks != null)
{
foreach (var w in watermarks)
{
if (w.IoId == null && w.Source == null)
{
throw new ArgumentException("InputWatermark instances cannot have both a null IoId and a null Source");
}
if (w.IoId == null)
{
w.IoId = this.GenerateIoId();
}
if (w.Source != null)
{
AddInput(w.IoId.Value, w.Source);
}
}
}
dynamic nodeData = new
{
command_string = new
{
kind = "ir4",
value = commandString,
decode = sourceIoId,
encode = destIoId,
watermarks = watermarks?.Select(w => w.ToImageflowDynamic()).ToArray()
}
};
return(new BuildEndpoint(this, nodeData, null, null));
}
public BuildNode Decode(IBytesSource source, int ioId, DecodeCommands commands)
{
AddInput(ioId, source);
if (commands == null)
{
return(BuildNode.StartNode(this,
new
{
decode = new
{
io_id = ioId
}
}));
}
return(BuildNode.StartNode(this,
new
{
decode = new
{
io_id = ioId,
commands = commands.ToImageflowDynamic()
}
}));
}
public BuildNode Decode(IBytesSource source) => Decode(source, GenerateIoId());
public BuildNode Decode(IBytesSource source, int ioId) => Decode(source, ioId, null);
/// <summary> /// Decode an image into a frame /// </summary> /// <param name="source">Use BytesSource or StreamSource</param> /// <param name="commands">Commands to the decoder, such as JPEG or WebP block-wise downscaling for performance, or to discard the color profile</param> /// <returns></returns> public BuildNode Decode(IBytesSource source, DecodeCommands commands) => Decode(source, GenerateIoId(), commands);
/// <summary>
/// Modify the input image (source) with the given command string and watermarks and encode to the (dest)
/// </summary>
/// <param name="source"></param>
/// <param name="dest"></param>
/// <param name="commandString"></param>
/// <param name="watermarks"></param>
/// <returns></returns>
public BuildEndpoint BuildCommandString(IBytesSource source, IOutputDestination dest, string commandString,
ICollection <InputWatermark> watermarks)
=> BuildCommandString(source, null, dest, null, commandString, watermarks);
public BuildEndpoint BuildCommandString(IBytesSource source, int?sourceIoId, IOutputDestination dest,
int?destIoId, string commandString)
=> BuildCommandString(source, sourceIoId, dest, destIoId, commandString, null);
public BuildEndpoint BuildCommandString(IBytesSource source, IOutputDestination dest, string commandString) => BuildCommandString(source, null, dest, null, commandString);
/// <summary> /// Draw a watermark from the given BytesSource or StreamSource /// </summary> /// <param name="source"></param> /// <param name="watermark"></param> /// <returns></returns> public BuildNode Watermark(IBytesSource source, WatermarkOptions watermark) => Watermark(source, null, watermark);
public InputWatermark(IBytesSource source, int ioId, WatermarkOptions watermark)
{
Source = source;
IoId = ioId;
Watermark = watermark;
}
public InputWatermark(IBytesSource source, WatermarkOptions watermark)
{
Source = source;
Watermark = watermark;
}
