1d8ef7165f
They require further development, due to byte-order differences between platforms. MouseCursor is now derived from WindowIcon, which we will use for INativeWindow.Icon support in the future, in order to remove the dependency to System.Drawing.
101 lines
3.2 KiB
C#
101 lines
3.2 KiB
C#
#region License
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//
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// Cursor.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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namespace OpenTK
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{
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/// <summary>
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/// Represents a predefined or custom mouse cursor.
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/// </summary>
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public sealed class MouseCursor : WindowIcon
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{
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static readonly MouseCursor default_cursor = new MouseCursor();
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static readonly MouseCursor empty_cursor = new MouseCursor(
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new byte[16 * 16 * 4], 16, 16, 0, 0);
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byte[] rgba;
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int width;
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int height;
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int x;
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int y;
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MouseCursor()
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{
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}
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// Todo: make public when byte-order issues are resolved
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internal MouseCursor(byte[] rgba, int width, int height, int x, int y)
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{
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if (rgba == null)
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throw new ArgumentNullException();
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if (width < 0 || width > 256 || height < 0 || height > 256)
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throw new ArgumentOutOfRangeException();
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if (rgba.Length < width * height * 4)
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throw new ArgumentOutOfRangeException();
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if (x < 0 || x >= width || y < 0 || y >= height)
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throw new ArgumentOutOfRangeException();
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this.rgba = rgba;
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this.width = width;
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this.height = height;
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this.x = x;
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this.y = y;
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}
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internal byte[] Rgba { get { return rgba; } }
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internal int Width { get { return width; } }
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internal int Height { get { return height; } }
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internal int X { get { return x; } }
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internal int Y { get { return y; } }
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/// <summary>
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/// Gets the default mouse cursor for this platform.
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/// </summary>
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public static MouseCursor Default
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{
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get
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{
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return default_cursor;
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}
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}
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/// <summary>
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/// Gets an empty (invisible) mouse cursor.
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/// </summary>
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public static MouseCursor Empty
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{
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get
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{
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return empty_cursor;
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}
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}
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}
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}
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