Dan Weber wrote:
> Hi guys,
>
> I'm working on application that needs the ability to render to an RGB image
> rather than an X display. Is there anyway I can do this with FLTK and still
> make it interactive? (i.e. my application supplies button events and such)
>
> Dan
I think this is what you want:
http://seriss.com/people/erco/fltk/#FlDrawImage
It shows how to render an animated image into a ram buffer 'pixbuf'
and then slaps it onto the fltk screen.
The methods PlotPixel() and RenderPicture() manage 'rendering' the image
and drawing it into the buffer.
The only FLTK part is really just deriving a class and declaring
a draw() method to transfer the buffer to the screen:
// FLTK DRAW METHOD
void draw() {
fl_draw_image((const uchar*)&pixbuf, 0, 0, XSIZE, YSIZE, 3, XSIZE*3);
}
It does this whenever the image is damaged or updated.
(A timer triggers it to change the image, causing it to animate)
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