//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//     file="RenderStream.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 StgSharp.Math;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp.Graphics
{
    public abstract class RenderStream
    {
        protected (int x, int y, int z) _coordStretch;
        private int refDepth;
        protected Camera NativeCamera;

        private IntPtr canvasHandle;
        private IntPtr contextHandle;
        private IntPtr monitor;
        private IntPtr sharedCanvas;

        private int height;
        private int width;
        protected string name;

        public IntPtr CanvasHandle
        {
            get => canvasHandle;
            internal set => canvasHandle = value;
        }

        public IntPtr ContextHandle
        {
            get => contextHandle;
            internal set => contextHandle = value;
        }

        public int Depth
        {
            get => refDepth;
            internal set => refDepth = value;
        }

        public int Height
        {
            get => height;
            internal set => height = value;
        }

        public vec3d GlobalCoordSize
        {
            get 
            {
                return (
                    Width * 1.0f / _coordStrech.x,
                    Height * 1.0f / _coordStrech.y,
                    refDepth * 1.0f / _coordStrech.z);
            }
        }

        public IntPtr Monitor
        {
            get => monitor;
            internal set => monitor = value;
        }

        public string Name
        {
            get => name;
            internal set => name = value;
        }

        public IntPtr SharedCanvas
        {
            get => sharedCanvas;
            internal set => sharedCanvas = value;
        }

        public int Width
        {
            get => width;
            internal set => width = value;
        }

        internal abstract void CreateCanvas(
            (int width,int height,int depth) size, (int x_stretch,int y_stretch, int z_stretch) coordStrech, string name
            );

        protected abstract void Init();
        protected abstract void Main();
        protected abstract void Deinit();
        protected abstract void ProcessInput();

        internal abstract void InternalInit();
        internal abstract void InternalDraw();
        internal abstract void InternalTerminate();

    }
}