Re: [newbie] How to plot to drawing_area

["Individual . ." <individual mi cl>]

On Sunday, February 2, 2003, at 09:57 AM, Roland Smith wrote:
>
> Plotting pixel by pixel is _slow_. It's better to use GdkRGB, e.g. 
> using
> gdk_draw_rgb_image(). What you have to do is read from the png file to 
> a buffer
> containing an array of rgb values. This is then drawn to a drawable. 
> See the
> example in the GDK manual.
>

Ah! yes, speed is important.

I shall look at that example. I've also started learning about Xlib and 
making a window directly, bypassing Gtk, and I seem to be close to 
achieving what I want. That said, I really don't know if what I am 
doing is at all efficient.


Paul