protected override object EvaluatePreview(SDK.PreviewContext context)
{
var ffamily = Evaluate(); if (ffamily == null)
{
return(null);
}
using (var o = ffamily.RenderText("Lorem ipsum dolor sit amet", 48, 4, PIXEL32.Black, TextGraphicsOptions.Default) as IMAGE32)
{
return(o.CreatePreview(context));
}
}
protected override object EvaluatePreview(SDK.PreviewContext context)
{
// TODO: create image with palette
return(null);
}
// the preview is probably failing in the sink because it's a final object
protected override object EvaluatePreview(SDK.PreviewContext previewContext)
{
var result = Evaluate();
return(result == null ? "NULL" : string.Join(" ", result.AsArray()));
}
protected override object EvaluatePreview(SDK.PreviewContext previewContext)
{
return(Image.CreatePreview(previewContext));
}
protected override object EvaluatePreview(SDK.PreviewContext context)
{
return(Evaluate().CreatePreview(context));
}
// TODO: add boolean to enable TILEABLE mode:
// before applying the effect, we create a multitile, then apply the effect, then crop back to the original.
// TODO: unfortunately, this doesn't return anything that can be used as a preview.
// Ideally, the preview for this object would be the preview of the parent TransformStack up to this node.
// so the preview would be to add a SDK.PreviewContext property called UseParentPreview.
// when the parent preview is called, it should somehow, know which child node requested the preview
protected override object EvaluatePreview(SDK.PreviewContext previewContext)
{
return(null);
}
