# This one's all mine. Well, its GPL/Artisitic but I"m the author and creator. # I think you need gimp 1.1 or better for this - if you don't, please let
# me know
# I'm hacking this on top of my sethspin script, so this is doing even more
# stuff it wasn't really designed to do. Hence if you thought sethspin was
# a bit ugly, look at this one...
# I think it was tigert that suggested this. It turned out to be less
# complex than I orginally thought so I figured I'd give it a spin.
# Seth Burgess
# <sjburges@gimp.org>
use Gimp qw(:auto);
use Gimp::Fu;
use Gimp::Util;
# Uncomment below to spew forth much data about whats going on.
#Gimp::set_trace(TRACE_ALL);
sub saw { # a sawtooth function on PI
($val) = @_;
if ($val < 3.14159/2.0) {
return ($val/3.14159) ;
}
elsif ($val < 3.14159) {
return (-1+$val/3.14159);
}
elsif ($val < 3.14159+3.14159/2.0) {
return ($val/3.14159) ;
}
else {
return (-1+$val/3.14159);
}
}
sub spin_layer { # the function for actually spinning the layer
my ($img, $spin, $dest, $numframes, $prp, $blinds) = @_;
"Take one image. Spin it about the multiple axes, and end up with another image. I made it for easy web buttons, mostly because somebody suggested to me.",
"Seth Burgess",
"Seth Burgess <sjburges\@gimp.org>",
"1.3",
N_"<Toolbox>/Xtns/Animation/Billboard...",
"*",
[
[PF_DRAWABLE, "source", "What drawable to spin from?"],
[PF_DRAWABLE, "destination","What drawable to spin to?"],
[PF_INT8, "frames", "How many frames to use?", 16],
[PF_COLOR, "background", "What color to use for background if not transparent", [0,0,0]],
[PF_SLIDER, "perspective", "How much perspective effect to get", 40, [0,255,5]],
[PF_TOGGLE, "spin_back", "Also spin back?" , 0],
[PF_TOGGLE, "convert_indexed", "Convert to indexed?", 1],
[PF_SPINNER, "billboard_slats", "Number of shades", 3, [1,50,1]],