//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//     file="FormThreadAttribute.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.Text;

namespace StgSharp.Graphics
{
    /// <summary>
    /// Mark that a method in a <see cref="Form"/> 
    /// should be called when rendering.
    /// </summary>
    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
    public class RenderActivityAttribute : Attribute
    {

        internal bool _isRenderProgress;
        internal int _priority;

        public RenderActivityAttribute()
        {
            _priority = (int)RenderPriority.Default;
        }

        public RenderActivityAttribute(RenderPriority priority)
        {
            _priority = (int)priority;
        }
        public RenderActivityAttribute(int priority)
        {
            _priority = priority;
        }

        public int Priority { get => _priority; set => _priority = value; }

    }


    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
    public class MultiFrameActivityAttribute : Attribute
    {

        internal int _minFrameCount;

    }

    /// <summary>
    /// Priority level of a render activity.
    /// </summary>
    public enum RenderPriority : int
    {
        /// <summary>
        /// One level higher than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Pre_1 = -1,
        /// <summary>
        /// Two level higher than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Pre_2 = -2,
        /// <summary>
        /// Three level higher than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Pre_3 = -3,
        /// <summary>
        /// One level lower than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Aft_1 = 1,
        /// <summary>
        /// Two level lower than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Aft_2 = 2,
        /// <summary>
        /// Three level lower than <see  cref="RenderPriority.Default"/>.
        /// </summary>
        Aft_3 = 3,
        /// <summary>
        /// Highest priority, in <see cref="RenderPriority"/>, it is <see cref="Pre_3"/>.
        /// </summary>
        Highest = Pre_3,
        /// <summary>
        /// Default priority, usually <see cref="Form.Main"/> is in this priority.
        /// </summary>
        Default = 0,
        /// <summary>
        /// Lowest priority, in <see cref="RenderPriority"/>, it is <see cref="Aft_3"/>.
        /// </summary>
        Least = Aft_3,
    }
}