Paint.net文件类型插件

我曾经写过这样的插件。 先别管模板了,你可以从头开始。

首先添加对PaintDotnet.Base、PaintDotnet.Core和PaintDotnet.Data的引用。

接下来需要一个从FileType类继承的类:

public class SampleFileType : FileType
{
    public SampleFileType() : base ("Sample file type", FileTypeFlags.SupportsSaving |
                                FileTypeFlags.SupportsLoading,
                                new string[] { ".sample" })
    {

    }

    protected override void OnSave(Document input, System.IO.Stream output, SaveConfigToken token, Surface scratchSurface, ProgressEventHandler callback)
    {
        //Here you get the image from Paint.NET and you'll have to convert it
        //and write the resulting bytes to the output stream (this will save it to the specified file)

        using (RenderArgs ra = new RenderArgs(new Surface(input.Size)))
        {
            //You must call this to prepare the bitmap
                    input.Render(ra);

            //Now you can access the bitmap and perform some logic on it
            //In this case I'm converting the bitmap to something else (byte[])
            var sampleData = ConvertBitmapToSampleFormat(ra.Bitmap);

            output.Write(sampleData, 0, sampleData.Length);                
        }
    }

    protected override Document OnLoad(System.IO.Stream input)
    {
        //Input is the binary data from the file
        //What you need to do here is convert that date to a valid instance of System.Drawing.Bitmap
        //In the end you need to return it by Document.FromImage(bitmap)

        //The ConvertFromFileToBitmap, just like the ConvertBitmapSampleFormat,
        //is simply a function which takes the binary data and converts it to a valid instance of System.Drawing.Bitmap
        //You will have to define a function like this which does whatever you want to the data

        using(var bitmap = ConvertFromFileToBitmap(input))
        {
            return Document.FromImage(bitmap);
        }
    }
}

最后,您必须告诉Pain.Net您要加载哪些文件类型类,在本例中是一个实例,但是您可以在一个库中有多个实例。

public class SampleFileTypeFactory : IFileTypeFactory
{
    public FileType[] GetFileTypeInstances()
    {
        return new FileType[] { new SampleFileType() };
    }

我希望这有帮助,让我知道如果你有问题。 }