public static RasterImagePipeline ToRasterImagePipeline(this HttpRequest source, Stream stream = null,
Crop.EPosition position = Crop.EPosition.Center)
{
return(ToRasterImagePipeline(source.Query, stream, position));
}
public static RasterImagePipeline ToRasterImagePipeline(this IQueryCollection source, Stream stream = null,
Crop.EPosition position = Crop.EPosition.NotSpecified)
{
var ret = new RasterImagePipeline {
SourceStream = stream
};
var ws = WidthParms.Where(source.ContainsKey).Select(i => source[i].ToString()).FirstOrDefault();
var hs = HeightParms.Where(source.ContainsKey).Select(i => source[i].ToString()).FirstOrDefault();
var f = FormatParms.Where(source.ContainsKey).Select(i => source[i].ToString()).FirstOrDefault();
var p = PositionParms.Where(source.ContainsKey).Select(i => source[i].ToString()).FirstOrDefault();
var w = ws != null?int.Parse(ws) : (int?)null;
var h = hs != null?int.Parse(hs) : (int?)null;
if (position == Crop.EPosition.NotSpecified)
{
position = Crop.EPosition.Center;
if (p != null)
{
switch (p.ToLower())
{
case "top":
position = Crop.EPosition.TopCenter;
break;
case "bottom":
position = Crop.EPosition.BottomCenter;
break;
case "left":
position = Crop.EPosition.Left;
break;
case "right":
position = Crop.EPosition.Right;
break;
default:
position = Crop.EPosition.Center;
break;
}
}
}
if ((w ?? h) != null) // If [w]idth or [h]eight are defined,
{
ret.Items.Add(new Resize {
Width = w, Height = h, Proportional = true
});
ret.Items.Add(new Crop {
Width = w, Height = h, Proportional = true, Position = position
});
}
if (f != null)
{
ret.Format = SixLabors.ImageSharp.Configuration.Default.ImageFormatsManager
.FindFormatByFileExtension(f);
}
return(ret);
}
