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/// Call this from the graphics driver to denote that this reference is remove and no longer valid 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