// Copyright © 2017 Paddy Xu
// 
// This file is part of QuickLook program.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System.Windows;
using ImageMagick;
using QuickLook.Plugin.ImageViewer.Exiv2;

namespace QuickLook.Plugin.ImageViewer
{
    internal static class ImageFileHelper
    {
        internal static Size GetImageSize(string path, Meta meta)
        {
            var size = meta.GetSize();

            if (!size.IsEmpty)
                return size;

            try
            {
                var info = new MagickImageInfo(path);

                if (meta.GetOrientation() == OrientationType.RightTop ||
                    meta.GetOrientation() == OrientationType.LeftBotom)
                    return new Size {Width = info.Height, Height = info.Width};
                return new Size {Width = info.Width, Height = info.Height};
            }
            catch (MagickException)
            {
                return Size.Empty;
            }
        }
    }
}