#pragma warning disable CS1591

using MediaBrowser.Model.Drawing;

namespace MediaBrowser.Controller.Drawing
{
    public static class ImageHelper
    {
        public static ImageDimensions GetNewImageSize(ImageProcessingOptions options, ImageDimensions originalImageSize)
        {
            // Determine the output size based on incoming parameters
            var newSize = DrawingUtils.Resize(originalImageSize, options.Width ?? 0, options.Height ?? 0, options.MaxWidth ?? 0, options.MaxHeight ?? 0);
            newSize = DrawingUtils.ResizeFill(newSize, options.FillWidth, options.FillHeight);

            // Never encode larger than the source. Upscaling adds no detail, and the requested
            // width/height are caller-controlled, so without this an unauthenticated request can
            // pin a CPU and allocate several GB encoding a single image.
            return DrawingUtils.ScaleDownToFit(newSize, originalImageSize);
        }
    }
}