#!/usr/bin/perl
#=======================================================================
# ____ ____ _____ _ ____ ___ ____
# | _ \| _ \| ___| _ _ / \ | _ \_ _| |___ \
# | |_) | | | | |_ (_) (_) / _ \ | |_) | | __) |
# | __/| |_| | _| _ _ / ___ \| __/| | / __/
# |_| |____/|_| (_) (_) /_/ \_\_| |___| |_____|
#
# A Perl Module Chain to faciliate the Creation and Modification
# of High-Quality "Portable Document Format (PDF)" Files.
#
# Copyright 1999-2004 Alfred Reibenschuh <areibens@cpan.org>.
#
#=======================================================================
#
# PERMISSION TO USE, COPY, MODIFY, AND DISTRIBUTE THIS FILE FOR
# ANY PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT
# THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL
# COPIES.
#
# THIS FILE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
# 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 FILE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $Id: 032_separation,v 2.0 2005/11/16 02:16:00 areibens Exp $
#
#=======================================================================
use PDF::API3::Compat::API2;
use PDF::API3::Compat::API2::Util;
use POSIX;
use Math::Trig;
my $cx=50;
my $cy=50;
my $cr=15;
my $cs=30;
my $ang=30;
$pdf=PDF::API3::Compat::API2->new;
$pdf->mediabox(595,842);
$fnt=$pdf->corefont('Verdana-Bold');
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'Separation Colorspace(s)',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
my $y=0;
foreach my $csn (qw( Red %0ff0 Green %f0f0 Blue %ff00 Cyan %f000 Magenta %0f00 Yellow %00f0 )) {
my $csp=$pdf->colorspace_separation($csn,$csn);
$gfx->textlabel($cx,$cy+($y*$cs),$fnt,8,$csn,-color=>'#000',-hspace=>85,-right=>1);
foreach my $x (0 .. 0xf) {
$gfx->fillcolor($csp,sprintf('%0.4f',$x/0xf));
$gfx->circle($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$fnt,8,sprintf('%0.4f',$x/0xf),-color=>'#000',-hspace=>85,-center=>1);
}
$y++;
}
my $csp=$pdf->colorspace_separation('All','#000');
$gfx->textlabel($cx,$cy+($y*$cs),$fnt,8,'All',-color=>'#000',-hspace=>85,-right=>1);
foreach my $x (0 .. 0xf) {
$gfx->fillcolor($csp,sprintf('%0.4f',$x/0xf));
$gfx->circle($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$fnt,8,sprintf('%0.4f',$x/0xf),-color=>'#000',-hspace=>85,-center=>1);
}
$y++;
$csp=$pdf->colorspace_separation('None','#000');
$gfx->textlabel($cx,$cy+($y*$cs),$fnt,8,'None',-color=>'#000',-hspace=>85,-right=>1);
foreach my $x (0 .. 0xf) {
$gfx->fillcolor($csp,sprintf('%0.4f',$x/0xf));
$gfx->circle($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x+1)*$cs,$cy+($y+0.5)*$cs,$fnt,8,sprintf('%0.4f',$x/0xf),-color=>'#000',-hspace=>85,-center=>1);
}
$y++;
delete $gfx->{Filter};
$pdf->saveas("$0.pdf");
$pdf->end();
exit;
__END__