Script file generated from LiVES
<define>
|1.7
</define>
<name>
jigsaw
</name>
<version>
1
</version>
<author>
saulgoode|http://chiselapp.com/user/saulgoode/repository/RFX-GIMP/home
</author>
<description>
Jigsaw|jigsaw transitioning|1|2|
</description>
<requires>
gimp
</requires>
<params>
horiz_pieces|Horizontal pieces|num0|0|0|1000000|
vert_pieces|Vertical pieces|num0|0|0|1000000|
curvey_edges|Curvey edges|bool|0|
clip_position|Clipboard positioning|string_list|0|Normal|Centered|Scaled|
</params>
<param_window>
layout|p0|p1|
layout|p2|
layout|hseparator|
layout|p3|p4|
</param_window>
<properties>
0x0000
</properties>
<language_code>
0xF0
</language_code>
<pre>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 or higher
# as published by the Free Software Foundation.
use IO::Socket;
use Text::Balanced;
if ($ENV{'RFXGIMP_PORT'}) {
$rfx_port = $ENV{'RFXGIMP_PORT'};
}
else {
$rfx_port = 10008;
}
$sock = new IO::Socket::INET ( PeerAddr => 'localhost',
PeerPort => $rfx_port,
Proto => 'tcp'
);
if ( not defined $sock ) {
my $rfx_pid = fork();
if (not defined $rfx_pid) {
&sig_error("UNABLE TO EXECUTE GIMP: Not enough resources");
}
elsif ($rfx_pid == 0) {
if ( -f $tmpdir . "rfxgimp.pid") {
open(PIDFILE, $tmpdir . "rfxgimp.pid");
# should probably do some sanity checking for the off chance that
# the PID has been recycled or the system has rebooted (e.g, check
# if process was executed with /usr/bin/perl. But for now...
kill(15, -<PIDFILE>); # the negative PID means kill all children, too.
close(PIDFILE);
}
setpgid($$,0); # change the pgroup to this forked process, rather than
# the original LiVES (so that we don't kill LiVES when
# this prgroup is killed).
open(PIDFILE, ">" . $tmpdir . "rfxgimp.pid"); # overwrite old file
print PIDFILE $$;
close(PIDFILE);
my $start_gimp = qq{ gimp -i -b "(plug-in-script-fu-server 1 $rfx_port \\\"\\\")" & };
system ( $start_gimp ); # though started as separate process, GIMP now
# is part of this spawned child's pgroup, not the LiVES pgroup
sleep(); # do nothing, forever
&sig_error("GIMP killed by external process\n");
}
else {
while (not defined $sock) {
sleep (1);
$sock = new IO::Socket::INET ( PeerAddr => 'localhost',
PeerPort => $rfx_port,
Proto => 'tcp'
);
}
}
}
# Define a Perl subroutine for sending messages to the SF server and waiting
# for a response.
#
sub rfx_sendmsg {
my $message = $_[0];
my $len = length ($message);
if ($len > 65535) {
&sig_error("ERROR: script is too long for one server request: $len > 65535");
};
# send script to GIMP
my $header = pack( 'an', 'G', $len);
syswrite( $sock, $_ ) for ($header, $message);
# wait for response
my $rin = '';
vec( $rin, fileno($sock), 1 ) = 1;
select( $rin, undef, undef, undef ); # wait (forever) for response start
select( undef, undef, undef, .1 ); # wait a bit for response to finish
# increase wait if INVALID/INCOMPLETE RESPONSE occurs
# response
$len = sysread( $sock, $header, 4 ) or &sig_error("INVALID RESPONSE: empty response");
( $len == 4 and $header =~ /^G/ ) or &sig_error("INVALID RESPONSE: bad header");
my $status;
($status, $len) = unpack( 'xCn', $header );
my $response;
( sysread( $sock, $response, $len ) == $len ) or &sig_error("INCOMPLETE RESPONSE: $response");
# exit if response is not "Success"
if ( $status and $response =~ /^Error: Success\n/i ) {
&sig_error("UNSUCCESSFUL EXECUTION: Script-fu error");
}
$status;
}
# define a Script-fu utility function to save frames using the PNG or JPG
# compression levels specified in 'gimprc'.
# To specify a PNG compression level of 5, include the following line
# in gimprc:
# (rfx-png-compression "5")
# If not specified then a default level of "3" is assumed.
# "3" is a good choice for PNGs because higher levels double the write
# times while only offering about 15% reduction in file size.
# To specify a JPG compression level of 85, include the following line
# in gimprc:
# (rfx-jpg-compression "85")
# If not specified then a default level of "93" is assumed.
# NOTE: 'rfx-save-frame' DELETES the image.
&rfx_sendmsg( qq{
(begin
(define rfx-curtmpdir "$curtmpdir")
(define rfx-imgext "$img_ext")
(unless (defined? 'rfx-save-frame)
(define rfx-png-compression (catch #f (gimp-gimprc-query "rfx-png-compression")))
(set! rfx-png-compression (if rfx-png-compression
(string->number (car rfx-png-compression))
3 ))
(define rfx-jpg-compression (catch #f (gimp-gimprc-query "rfx-jpg-compression")))
(set! rfx-jpg-compression (if rfx-jpg-compression
(string->number (car rfx-jpg-compression))
93 ))
(define (rfx-save-frame image basename)
(let ((filename (string-append rfx-curtmpdir DIR-SEPARATOR basename))
(layer (car (gimp-image-get-active-layer image))) )
(if (string-ci=? rfx-imgext ".jpg")
(begin
(gimp-context-push)
(gimp-context-set-background '(6 6 6))
(let loop ((layers (vector->list (cadr (gimp-image-get-layers image)))))
(unless (null? layers)
(if (= (car layers) layer)
(gimp-drawable-set-visible layer TRUE)
(gimp-drawable-set-visible (car layers) FALSE) )
(loop (cdr layers)) ))
(set! layer (car (gimp-image-flatten image)))
(file-jpeg-save RUN-NONINTERACTIVE
image
layer
filename
filename
(/ rfx-jpg-compression 100)
0 ; smoothing
1 ; optimize
1 ; progressive
"" ; comment
0 ; subsmp (0-4)
1 ; baseline
0 ; restart
0 ;dct
)
(gimp-context-pop) )
(begin
(unless (zero? (car (gimp-image-base-type image)))
(gimp-image-convert-rgb image) )
(file-png-save2 RUN-NONINTERACTIVE
image
layer
filename
filename
FALSE ; interlace
rfx-png-compression
FALSE ; bkgd
(car (gimp-drawable-has-alpha layer))
FALSE ; offs
FALSE ; phys
FALSE ; time
TRUE ; comment
FALSE ; svtrans
)))
(gimp-image-delete image) )))
(define (make-progressor start delta . period)
(let ((start start)
(value start)
(delta delta)
(period (if (null? period)
#f
(car period)) ))
(lambda ()
(let ((temp value))
(set! value (if (and period (>= (+ value delta) (+ start period)))
(- (+ value delta) period)
(+ value delta) ))
temp ))))
)
}
);
</pre>
<loop>
# $p0 - Horizontal pieces
# $p1 - Vertical pieces
# $p2 - Curved edges (boolean)
# $p3 - Clipboard position (normal, centered, scaled)
&rfx_sendmsg (
qq{
(begin
(when (= $frame $start)
(define rfx-jigsaw-pieces '())
(define rfx-jigsaw-keyframes '())
(let* ((jigsaw-image (car (gimp-image-new $width $height RGB)))
(layer (car (gimp-layer-new jigsaw-image
$width
$height
RGBA-IMAGE
"jigsaw"
100
NORMAL-MODE ))))
(gimp-image-add-layer jigsaw-image layer 0)
(gimp-drawable-fill layer WHITE-FILL)
(plug-in-jigsaw RUN-NONINTERACTIVE jigsaw-image layer $p0 $p1 $p2 0 0)
(let row-loop ((row $p1))
(unless (zero? row)
(let col-loop ((col $p0))
(if (zero? col)
(row-loop (pred row))
(begin
(gimp-fuzzy-select layer
(- (* (/ $width $p0) col) (/ $width $p0 2))
(- (* (/ $height $p1) row) (/ $height $p1 2))
128
CHANNEL-OP-REPLACE
FALSE
FALSE
0
FALSE )
(plug-in-sel2path RUN-NONINTERACTIVE jigsaw-image layer)
(set! rfx-jigsaw-pieces
(cons (car (gimp-vectors-export-to-string
jigsaw-image
(car (gimp-image-get-active-vectors jigsaw-image)) ))
rfx-jigsaw-pieces ))
(col-loop (pred col)) )))))
(gimp-image-delete jigsaw-image)
)
;; randomize the list of pieces
(let ((number-of-pieces (* $p0 $p1)))
(set! rfx-jigsaw-pieces
(let loop ((lis rfx-jigsaw-pieces)
(k number-of-pieces) )
(if (zero? k)
lis
(let ((index (random number-of-pieces)))
(loop (append (list-tail lis index)
(list-tail (reverse lis) (- (length lis) index)) )
(pred k) ))))))
(let ((next-keyframe (make-progressor $start (/ (- $end $start) (succ (* $p0 $p1))))))
(next-keyframe) ; start with fully shown clipboard
(set! rfx-jigsaw-keyframes (map next-keyframe rfx-jigsaw-pieces))
)
)
(let* ((input-file (string-append "$curtmpdir" DIR-SEPARATOR "$in"))
(image (car (gimp-file-load RUN-NONINTERACTIVE input-file input-file)))
(layer (car (gimp-image-get-active-layer image)))
(input-file2 (string-append "$in2"))
(image2 (car (gimp-file-load RUN-NONINTERACTIVE input-file2 input-file2)))
(b-layer (car (gimp-layer-new-from-drawable
(car (gimp-image-get-active-layer image2))
image ))) )
(gimp-image-undo-disable image)
(gimp-image-add-layer image b-layer 1)
(cond
((= $p3 1) ; centered
(gimp-layer-set-offsets b-layer
(/ (- $width (car (gimp-drawable-width b-layer))) 2)
(/ (- $height (car (gimp-drawable-height b-layer))) 2) ))
((= $p3 2) ; scaled
(gimp-layer-scale-full b-layer $width $height TRUE INTERPOLATION-CUBIC)
(gimp-layer-set-offsets b-layer 0 0) ))
(gimp-image-delete image2)
(gimp-layer-add-alpha layer)
(gimp-selection-none image)
(let loop ((number-of-keyframes (length rfx-jigsaw-keyframes))
(pieces rfx-jigsaw-pieces) )
(unless (zero? number-of-keyframes)
(let ((path (vector-ref (cadr (gimp-vectors-import-from-string image
(car pieces)
-1
TRUE
FALSE ))
0 )))
(gimp-vectors-to-selection path CHANNEL-OP-ADD TRUE FALSE 0 0)
(loop (pred number-of-keyframes)
(cdr pieces) ))))
(gimp-selection-grow image 1)
(if (pair? rfx-jigsaw-keyframes)
(gimp-edit-clear layer) )
(when (and (pair? rfx-jigsaw-keyframes)
(>= $frame (car rfx-jigsaw-keyframes)) )
(set! rfx-jigsaw-keyframes (cdr rfx-jigsaw-keyframes)) )
(gimp-image-merge-visible-layers image CLIP-TO-IMAGE)
(rfx-save-frame image "$out")
)
)
}
);
</loop>
<post>
</post>
<onchange>
init|$p0_max = 50;
init|$p1_max = 50;
init|$p0 = 3;
init|$p1 = 3;
</onchange>