87 lines
2.5 KiB
C#
87 lines
2.5 KiB
C#
#region license
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// This file is part of Vocaluxe.
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//
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// Vocaluxe is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Vocaluxe is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
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#endregion
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using System;
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using System.Drawing;
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namespace VocaluxeLib.Draw
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{
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/// <summary>
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/// Reference to a texture in the drawing driver
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/// </summary>
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public class CTextureRef : IDisposable
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{
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public int ID { get; private set; }
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/// <summary>
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/// Size of original image (e.g. of bmp)
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/// </summary>
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public Size OrigSize;
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public float OrigAspect
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{
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get { return (float)OrigSize.Width / OrigSize.Height; }
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}
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/// <summary>
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/// Current size when drawn
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/// </summary>
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public SRectF Rect;
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public SColorF Color = new SColorF(1f, 1f, 1f, 1f);
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/// <summary>
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/// Creates a new texture reference
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/// </summary>
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/// <param name="id">ID of the texture</param>
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/// <param name="origSize">Original size (Bitmap size)</param>
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public CTextureRef(int id, Size origSize)
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{
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ID = id;
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OrigSize = origSize;
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Rect = new SRectF(0f, 0f, origSize.Width, origSize.Height, 0f);
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}
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~CTextureRef()
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{
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Dispose();
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}
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public void Dispose()
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{
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if (ID >= 0)
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{
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//Free textures that are no longer referenced
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CTextureRef tmp = this;
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CBase.Drawing.RemoveTexture(ref tmp);
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}
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SetRemoved();
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}
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/// <summary>
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/// Call this from the graphics driver to denote that this reference is remove and no longer valid <br />
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/// This avoids the finalizer
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/// </summary>
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public void SetRemoved()
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{
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if (ID < 0)
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throw new ObjectDisposedException(GetType().Name);
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ID = -1;
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GC.SuppressFinalize(this);
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}
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}
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} |