PNG to byte[]

[Memorice]

Hey,

I would like to convert a png file (in ARGB format) to a byte array. And a byte array back to a png file.

Example:

A png file with height 10 and width 15 in ARGB format would be a byte array with 10*15*4 bytes. The alpha value of the first pixel would be at index 0, the Red value at index 1, etc...

At the moment I have a program in C# that can do this, by using a pointer to the pixels of the Gdk.Pixbuf from Gtk# library. But the problem is that this requires at least to install gtk runtime environment.

Thanks in advance,

Memorice

 

[Memorice]

The problem is solved:

http://msdn2.microsoft.com/en-us/library/aa970062.aspx

 

[JohnH]

So you're using .Net 3.0 (with WPF PngBitmapDecoder class) and not .Net 2.0?
You can also use Bitmap.LockBits to get the BitmapData, there's some code in post 3 here.