92 lines
3 KiB
C#
92 lines
3 KiB
C#
#region License
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//
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// WindowIcon.cs
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//
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// Author:
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// Stefanos A. <stapostol@gmail.com>
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//
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// Copyright (c) 2006-2014 Stefanos Apostolopoulos
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#endregion
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using System;
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using System.Runtime.InteropServices;
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namespace OpenTK
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{
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/// <summary>
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/// Stores a window icon. A window icon is defined
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/// as a 2-dimensional buffer of RGBA values.
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/// </summary>
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public class WindowIcon
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{
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byte[] argb;
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int width;
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int height;
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internal protected WindowIcon()
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{
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}
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WindowIcon(int width, int height)
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{
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if (width < 0 || width > 256 || height < 0 || height > 256)
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throw new ArgumentOutOfRangeException();
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this.width = width;
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this.height = height;
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}
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internal WindowIcon(byte[] argb, int width, int height)
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: this(width, height)
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{
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if (argb == null)
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throw new ArgumentNullException();
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if (argb.Length < Width * Height * 4)
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throw new ArgumentOutOfRangeException();
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this.argb = argb;
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}
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internal WindowIcon(IntPtr argb, int width, int height)
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: this(width, height)
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{
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if (argb == IntPtr.Zero)
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throw new ArgumentNullException();
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// We assume that width and height are correctly set.
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// If they are not, we will read garbage and probably
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// crash.
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this.argb = new byte[width * height * 4];
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for (int y = 0; y < height; y++)
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{
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var stride = width * 4;
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var offset = new IntPtr(argb.ToInt64() + y * stride);
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Marshal.Copy(offset, Argb, y * stride, stride);
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}
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}
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internal byte[] Argb { get { return argb; } }
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internal int Width { get { return width; } }
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internal int Height { get { return height; } }
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}
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}
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