public override void Initialize()
{
texture = GLUtils.LoadImage(Application.StartupPath + filePath);
MatchTextureBounds(Owner);
}
public static Texture2D LoadImage(string path)
{
Texture2D _out = null;
if (loadedTextures.TryGetValue(path, out _out))
{
return _out;
}
try
{
using (Bitmap bitmap = new Bitmap(path))
{
int textureID = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, textureID);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.ClampToEdge);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Linear);
BitmapData bmp_data = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmp_data.Width, bmp_data.Height, 0,
OpenTK.Graphics.OpenGL4.PixelFormat.Bgra, PixelType.UnsignedByte, bmp_data.Scan0);
bitmap.UnlockBits(bmp_data);
Texture2D loadedTexture = new Texture2D()
{
TextureID = textureID,
Width = bitmap.Width,
Height = bitmap.Height
};
loadedTextures.Add(path, loadedTexture);
return loadedTexture;
}
}
catch (Exception ex)
{
Debug.Print(ex.ToString());
return new Texture2D();
}
}
public void SetImage(string path)
{
filePath = path;
texture = GLUtils.LoadImage(Application.StartupPath + filePath);
if (AutoResizeWidget)
MatchTextureBounds(Owner);
}