Hi,
I would like to know the correct usage of fl_draw_image(). Lets say I want to
draw my custom buffer inside my window, at positions 0,0 with dimensions 20x20
pixels.
I doesn't show up if I do it this way:
// make a dummy image buffer
uchar buf[20 * 20 * 3];
for (int i = 0; i < 20; ++i)
{
for (int j = 0; j < 20; ++j)
{
buf[3*(i * 20 + j)] = 100;
buf[3*(i * 20 + j) + 1] = 25;
buf[3*(i * 20 + j) + 2] = 200;
}
}
Fl_Window *win = new Fl_Window(500, 200);
fl_draw_image(buf, 0, 0, 20, 20); // do I call it here?
win->end();
Fl::visual(FL_RGB);
win->show();
return(Fl::run());
And if I call it After win->show(), I see it, but at 0,0 coords of my screen,
not the window. This is not what I want. It also doesn't seem to get updated.
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