Bitmap.SetPixel(x,y, Color) too slow

Question

So currently I\'m creating a 1000x1000 bitmap and it\'s spending about .3 seconds simply calling the Bitmap.SetPixel() function.

I\'m actually only drawing probably

Answer 1

Bob Powell has an excellent tutorial on accessing pixel maps directly in memory.

Answer 2

FastPixel?: http://www.codeproject.com/KB/GDI-plus/FastPixel.aspx

Answer 3

I can recommend FastBitmap:

FastBitmap fb = new FastBitmap(b);
fb.LockImage();

...

fb.SetPixel(x, y, Color.Red);

...

fb.UnlockImage();

Answer 4

Modern blockbuster video games do all the pixel setting behind the scenes in hardware; they give the hardware a buffer of geometries and the highly parallelized hardware does all the math. OpenGL and DirectX are APIs for talking to the hardware.

Search gamedev.net for some tutorials.