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Opengl C#

Graphics and GPU Programming Programming OpenGL

Started by jast112 April 16, 2008 07:43 AM

2 comments, last by Dave Hunt 11 years ago

jast112

122

Author

April 16, 2008 07:43 AM

Hey all. Anyone can tell me why are my screenshots black???? plz help ty Im using CsGl Here is the code.


  Size s = Size;

            Bitmap b = new Bitmap(s.Width, s.Height,
            PixelFormat.Format32bppArgb);
            BitmapData bd = b.LockBits(new Rectangle(0, 0, s.Width, s.Height),
            ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
            GL.glReadPixels(0, 0, 1600, 1200, GL.GL_BGRA_EXT,
            GL.GL_UNSIGNED_BYTE, bd.Scan0);
            b.UnlockBits(bd);
            //b.RotateFlip();
            b.Save(@"D:\screen.bmp", ImageFormat.Bmp);

Regards, fadah. [Edited by - jast112 on April 16, 2008 11:40:33 AM]

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jast112

122

Author

April 16, 2008 11:41 AM

Why are my screenshots black am i missing something???

sYnced

102

April 26, 2013 09:16 PM

what is your library ?

Dave Hunt

4,872

April 29, 2013 03:40 AM

Is there a reason you specified a format for glReadPixels that doesn't match the format of your Bitmap object?

This topic is closed to new replies.

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