//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//     file="AnimationBuilder.cs"
//     Project: StgSharp
//     AuthorGroup: Nitload Space
//     Copyright (c) Nitload Space. All rights reserved.
//     
//     Permission is hereby granted, free of charge, to any person 
//     obtaining a copy of this software and associated documentation 
//     files (the “Software”), to deal in the Software without restriction, 
//     including without limitation the rights to use, copy, modify, merge,
//     publish, distribute, sublicense, and/or sell copies of the Software, 
//     and to permit persons to whom the Software is furnished to do so, 
//     subject to the following conditions:
//     
//     The above copyright notice and 
//     this permission notice shall be included in all copies 
//     or substantial portions of the Software.
//     
//     THE SOFTWARE IS PROVIDED “AS IS”, 
//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//     
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Net;
using System.Text;

namespace StgSharp.Graphics
{
    public sealed class AnimationBuilder: IImageProvider
    {

        private Image cache;

        private TimeFunction time;

        public AnimationBuilder(
            Func<float, Image> builderFunc, 
            TimeFunction timeline
            )
        {
            time = timeline;
            BuilderFunc = builderFunc;
        }

        public Func<float, Image> BuilderFunc { get; set; }

        public bool IsComplete
        {
            get => time.IsComplete;
        }

        public Image GetAnimationFrame()
        {
            if (!time.IsComplete)
            {
                cache = BuilderFunc(time.Calculate());
            }
            return cache;
        }

        public void reset()
        {
            time.Reset();
        }

        Image IImageProvider.ProvideImage()
        {
            return GetAnimationFrame();
        }
    }
}