// <auto-generated>
// This code is generated by csbindgen.
// DON'T CHANGE THIS DIRECTLY.
// </auto-generated>
#pragma warning disable CS8500
#pragma warning disable CS8981
using System;
using System.Runtime.InteropServices;


namespace ServicePoint
{

    public unsafe sealed partial class Bitmap: IDisposable
    {
#nullable enable
        /// <summary>
        ///  Creates a new [SPBitmap] with the specified dimensions.
        ///
        ///  # Arguments
        ///
        ///  - `width`: size in pixels in x-direction
        ///  - `height`: size in pixels in y-direction
        ///
        ///  returns: [SPBitmap] initialized to all pixels off. Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when the width is not dividable by 8
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitmap_free`.
        /// </summary>
        public Bitmap(nuint width, nuint height) : this(sp_bitmap_new(width, height)) {}

        /// <summary>
        ///  Loads a [SPBitmap] with the specified dimensions from the provided data.
        ///
        ///  # Arguments
        ///
        ///  - `width`: size in pixels in x-direction
        ///  - `height`: size in pixels in y-direction
        ///
        ///  returns: [SPBitmap] that contains a copy of the provided data. Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when `data` is NULL
        ///  - when the dimensions and data size do not match exactly.
        ///  - when the width is not dividable by 8
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `data` points to a valid memory location of at least `data_length` bytes in size.
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitmap_free`.
        /// </summary>
        public static Bitmap Load(nuint width, nuint height, byte* data, nuint data_length)
        {
            return new Bitmap(Bitmap.sp_bitmap_load(width, height, data, data_length));
        }

        /// <summary>
        ///  Clones a [SPBitmap].
        ///
        ///  Will never return NULL.
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        ///  - `bitmap` is not written to concurrently
        ///  - the returned instance is freed in some way, either by using a consuming function or
        ///    by explicitly calling `sp_bitmap_free`.
        /// </summary>
        public Bitmap Clone()
        {
            return new Bitmap(Bitmap.sp_bitmap_clone(Instance));
        }

        /// <summary>
        ///  Gets the current value at the specified position in the [SPBitmap].
        ///
        ///  # Arguments
        ///
        ///  - `bitmap`: instance to read from
        ///  - `x` and `y`: position of the cell to read
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///  - when accessing `x` or `y` out of bounds
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        ///  - `bitmap` is not written to concurrently
        /// </summary>
        public bool Get(nuint x, nuint y)
        {
            return Bitmap.sp_bitmap_get(Instance, x, y);
        }

        /// <summary>
        ///  Sets the value of the specified position in the [SPBitmap].
        ///
        ///  # Arguments
        ///
        ///  - `bitmap`: instance to write to
        ///  - `x` and `y`: position of the cell
        ///  - `value`: the value to write to the cell
        ///
        ///  returns: old value of the cell
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///  - when accessing `x` or `y` out of bounds
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        ///  - `bitmap` is not written to or read from concurrently
        /// </summary>
        public void Set(nuint x, nuint y, bool value)
        {
            Bitmap.sp_bitmap_set(Instance, x, y, value);
        }

        /// <summary>
        ///  Sets the state of all pixels in the [SPBitmap].
        ///
        ///  # Arguments
        ///
        ///  - `bitmap`: instance to write to
        ///  - `value`: the value to set all pixels to
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        ///  - `bitmap` is not written to or read from concurrently
        /// </summary>
        public void Fill(bool value)
        {
            Bitmap.sp_bitmap_fill(Instance, value);
        }

        /// <summary>
        ///  Gets the width in pixels of the [SPBitmap] instance.
        ///
        ///  # Arguments
        ///
        ///  - `bitmap`: instance to read from
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        /// </summary>
        public nuint Width()
        {
            return Bitmap.sp_bitmap_width(Instance);
        }

        /// <summary>
        ///  Gets the height in pixels of the [SPBitmap] instance.
        ///
        ///  # Arguments
        ///
        ///  - `bitmap`: instance to read from
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        /// </summary>
        public nuint Height()
        {
            return Bitmap.sp_bitmap_height(Instance);
        }

        /// <summary>
        ///  Gets an unsafe reference to the data of the [SPBitmap] instance.
        ///
        ///  # Panics
        ///
        ///  - when `bitmap` is NULL
        ///
        ///  # Safety
        ///
        ///  The caller has to make sure that:
        ///
        ///  - `bitmap` points to a valid [SPBitmap]
        ///  - the returned memory range is never accessed after the passed [SPBitmap] has been freed
        ///  - the returned memory range is never accessed concurrently, either via the [SPBitmap] or directly
        /// </summary>
        public SPByteSlice UnsafeDataRef()
        {
            return Bitmap.sp_bitmap_unsafe_data_ref(Instance);
        }


        private SPBitmap* _instance;
        internal SPBitmap* Instance
        {
            get
            {
                if (_instance == null)
                    throw new NullReferenceException("instance is null");
                return _instance;
            }
        }

        private Bitmap(SPBitmap* instance)
        {
            ArgumentNullException.ThrowIfNull(instance);
            _instance = instance;
        }

        internal SPBitmap* Into()
        {
            var instance = Instance;
            _instance = null;
            return instance;
        }

        private void Free()
        {
            if (_instance != null)
                Bitmap.sp_bitmap_free(Into());
        }

        public void Dispose()
        {
            Free();
            GC.SuppressFinalize(this);
        }

        ~Bitmap() => Free();
            
        const string __DllName = "servicepoint_binding_c";
#nullable restore
        [DllImport(__DllName, EntryPoint = "sp_bitmap_new", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitmap* sp_bitmap_new(nuint width, nuint height);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitmap* sp_bitmap_load(nuint width, nuint height, byte* data, nuint data_length);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_clone", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPBitmap* sp_bitmap_clone(SPBitmap* bitmap);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_free", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitmap_free(SPBitmap* bitmap);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_get", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        [return: MarshalAs(UnmanagedType.U1)]
        private static extern bool sp_bitmap_get(SPBitmap* bitmap, nuint x, nuint y);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_set", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitmap_set(SPBitmap* bitmap, nuint x, nuint y, [MarshalAs(UnmanagedType.U1)] bool value);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_fill", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern void sp_bitmap_fill(SPBitmap* bitmap, [MarshalAs(UnmanagedType.U1)] bool value);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_width", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern nuint sp_bitmap_width(SPBitmap* bitmap);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_height", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern nuint sp_bitmap_height(SPBitmap* bitmap);

        [DllImport(__DllName, EntryPoint = "sp_bitmap_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
        private static extern SPByteSlice sp_bitmap_unsafe_data_ref(SPBitmap* bitmap);


    }

    [StructLayout(LayoutKind.Sequential)]
    public unsafe partial struct SPBitmap
    {
    }



}