protected void LoadBRDF()
{
if (BRDFLoaded)
{
return;
}
BRDFLoaded = true;
Bitmap bmp = (Bitmap)Bitmap.FromFile(System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "brdf.png"));
FloatBitmap fbmp = FloatBitmap.FromBitmap(bmp);
BRDFLut.Bind();
BRDFLut.SetData(fbmp.Image, PixelFormat.Rgba, fbmp.Width, fbmp.Height);
BRDFLut.SetFilter((int)TextureMinFilter.Linear, (int)TextureMagFilter.Linear);
BRDFLut.SetWrap((int)TextureWrapMode.ClampToEdge);
GLTextuer2D.Unbind();
}
static void Main(string[] args)
{
string fpath = "E:\\Test\\input.png";
string spath = "E:\\Test\\output.png";
using (System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(fpath))
{
FloatBitmap bitmap = FloatBitmap.FromBitmap(bmp);
float[] f = new float[Math.Max(bitmap.Width, bitmap.Height)];
for (int x = 0; x < bitmap.Width; ++x)
{
for (int y = 0; y < bitmap.Height; ++y)
{
float r, g, b, a;
bitmap.GetPixel(x, y, out r, out g, out b, out a);
f[y] = r;
}
float[] d = dt(f, bitmap.Height);
for (int y = 0; y < bitmap.Height; ++y)
{
float fx = d[y];
bitmap.SetPixel(x, y, fx, fx, fx, 1);
}
}
for (int y = 0; y < bitmap.Height; ++y)
{
for (int x = 0; x < bitmap.Width; ++x)
{
float r, g, b, a;
bitmap.GetPixel(x, y, out r, out g, out b, out a);
f[x] = r;
}
float[] d = dt(f, bitmap.Width);
for (int x = 0; x < bitmap.Width; ++x)
{
float fx = d[x];
bitmap.SetPixel(x, y, fx, fx, fx, 1);
}
}
}
}
void Process()
{
Task.Run(() =>
{
try
{
if (!string.IsNullOrEmpty(path) && File.Exists(path))
{
Bitmap bmp = (Bitmap)Bitmap.FromFile(path);
if (bmp != null && bmp.Width > 0 && bmp.Height > 0)
{
width = bmp.Width;
height = bmp.Height;
brush = FloatBitmap.FromBitmap(bmp);
}
}
else if (!string.IsNullOrEmpty(relativePath) && ParentGraph != null && !string.IsNullOrEmpty(ParentGraph.CWD) && File.Exists(System.IO.Path.Combine(ParentGraph.CWD, relativePath)))
{
Bitmap bmp = (Bitmap)Bitmap.FromFile(System.IO.Path.Combine(ParentGraph.CWD, relativePath));
if (bmp != null && bmp.Width > 0 && bmp.Height > 0)
{
width = bmp.Width;
height = bmp.Height;
brush = FloatBitmap.FromBitmap(bmp);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
}
System.GC.Collect();
})
.ContinueWith(t =>
{
App.Current.Dispatcher.Invoke(() =>
{
if (brush == null)
{
return;
}
CreateBufferIfNeeded();
buffer.Bind();
buffer.SetData(brush.Image, OpenTK.Graphics.OpenGL.PixelFormat.Rgba, width, height);
GLTextuer2D.Unbind();
brush = null;
Updated();
Output.Data = buffer;
Output.Changed();
});
});
}