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stgsharp/StgSharp.Common/Graphics/Pixels.cs
T

106 lines
3.0 KiB
C#

//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
// file="Pixels.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.Runtime.InteropServices;
using System.Text;
namespace StgSharp.Graphics
{
public interface IPixel
{
public float Red
{
get;
set;
}
public float Green
{
get;
set;
}
public float Blue
{
get;
set;
}
public float Alpha
{
get;
set;
}
internal int Size
{
get;
}
}
[StructLayout( LayoutKind.Explicit, Size = 32 )]
public unsafe struct Pixel32RGBA : IPixel
{
[FieldOffset( 0 )] private unsafe fixed byte data[ 4 ];
public int Size => 4;
float IPixel.Alpha
{
get => data[ 3 ] / 256 ;
set => data[ 3 ] = ( byte )( value * 256 );
}
float IPixel.Blue
{
get => data[ 2 ] / 256 ;
set => data[ 2 ] = ( byte )( value * 256 );
}
float IPixel.Green
{
get => data[ 1 ] / 256 ;
set => data[ 1 ] = ( byte )( value * 256 );
}
float IPixel.Red
{
get => data[ 0 ] / 256 ;
set => data[ 0 ] = ( byte )( value * 256 );
}
}
}