/usr/share/doc/prima/examples/f_fill is in libprima-perl 1.28-1.4.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 | #!/usr/bin/perl -w
#
# Copyright (c) 1997-2002 The Protein Laboratory, University of Copenhagen
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $Id: f_fill.pl,v 1.10 2005/10/13 17:22:53 dk Exp $
#
=pod
=item NAME
A gradient fill example
=item FEATURES
Demonstrates the usage of graphic context regions.
Note that the $i region is not created, but is assigned
on every onPaint. Tests whether image object is able
to hold a cached region copy.
=cut
use strict;
use Prima qw(Application);
my $i = Prima::Image-> create(
preserveType => 1,
type => im::BW,
font => { size => 100, style => fs::Bold|fs::Italic },
);
$i-> begin_paint_info;
my $textx = $i-> get_text_width( "PRIMA");
my $texty = $i-> font-> height;
$i-> end_paint_info;
$i-> size( $textx + 20, $texty + 20);
my @is = $i-> size;
$i-> begin_paint;
$i-> color( cl::Black);
$i-> bar(0,0,@is);
$i-> color( cl::White);
$i-> text_out( "PRIMA", 0,0);
$i-> end_paint;
my @xpal = ();
for ( 1..32) {
my $x = (32-$_) * 8;
push(@xpal, $x,$x,$x);
};
my $w = Prima::MainWindow-> create(
size => [ @is],
centered => 1,
buffered => 1,
palette => [ @xpal],
onPaint => sub {
my ( $self, $canvas) = @_;
$canvas-> color( cl::Back);
$canvas-> bar( 0, 0, $canvas-> size);
my $xrad = $is[0] / 62;
for ( 1..32) {
my $x = (32-$_) * 8;
$x = ($x<<16)|($x<<8)|$x;
$canvas-> color($x);
$canvas-> fill_ellipse($is[0]/2,$is[1]/2, $xrad*(32-$_)*2, $xrad*(32-$_)*2);
};
$canvas-> region( $i);
for ( 1..32) {
my $x = ($_-1) * 8;
$x = ($x<<16)|($x<<8)|$x;
$canvas-> color($x);
$canvas-> fill_ellipse($is[0]/2,$is[1]/2, $xrad*(32-$_)*2, $xrad*(32-$_)*2);
};
},
);
run Prima;
|