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#!/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: 030_colorspecs,v 1.3 2004/02/12 14:40:25 fredo Exp $
#
#=======================================================================
use PDF::API2;
use PDF::API2::Util;
use POSIX;
use Math::Trig;
my $cx=315;
my $cy=400;
my $cr=15;
my $cs=32;
my $ang=30;
$pdf=PDF::API2->new;
$pdf->mediabox(595,842);
$fnt=$pdf->corefont('Verdana-Bold');
foreach my $z (0 .. 0xf) {
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'RGB Colorspace',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
foreach my $x (0 .. 0xf) {
foreach my $y (0 .. 0xf) {
my $t=sprintf('#%01X%01X%01X',$x,$z,$y);
$gfx->fillcolor($t);
$gfx->circle($cx+($x-8)*$cs,$cy+($y-8)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x-8)*$cs,$cy+($y-8)*$cs,$fnt,8,$t,-color=>'#000',-rotate=>$ang,-hspace=>85,-center=>1);
}
}
}
foreach my $z (0 .. 0xf) {
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'RGB Colorspace (Gamma=2.2)',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
foreach my $x (0 .. 0xf) {
foreach my $y (0 .. 0xf) {
my $t=sprintf('#%01X%01X%01X',$x,$z,$y);
$gfx->fillcolor($x/0xf,$z/0xf,$y/0xf);
$gfx->circle($cx+($x-8)*$cs,$cy+($y-8)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x-8)*$cs,$cy+($y-8)*$cs,$fnt,8,$t,-color=>'#000',-rotate=>$ang,-hspace=>85,-center=>1);
}
}
}
foreach my $z (0 .. 0xf) {
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'CMYK Colorspace',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
foreach my $x (0 .. 0xf) {
foreach my $y (0 .. 0xf) {
my $t=sprintf('%%%01X%01X%01X0',$x,$z,$y);
$gfx->fillcolor($t);
$gfx->circle($cx+($x-8)*$cs,$cy+($y-8)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x-8)*$cs,$cy+($y-8)*$cs,$fnt,8,$t,-color=>'#000',-rotate=>$ang,-hspace=>85,-center=>1);
}
}
}
foreach my $z (0 .. 0xf) {
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'Lab Colorspace',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
foreach my $x (0 .. 0xf) {
foreach my $y (0 .. 0xf) {
my $t=sprintf('$%01X%01X%01X',$z,$x,$y);
$gfx->fillcolor($t);
$gfx->circle($cx+($x-8)*$cs,$cy+($y-8)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x-8)*$cs,$cy+($y-8)*$cs,$fnt,8,$t,-color=>'#000',-rotate=>$ang,-hspace=>85,-center=>1);
}
}
}
my @cols=sort keys %PDF::API2::Util::colors;
while (scalar @cols > 0) {
$page = $pdf->page;
$gfx=$page->gfx;
$gfx->textlabel(300,750,$fnt,20,'Named Colors (RGB)',-color=>'#000',-hspace=>125,-center=>1);
$gfx->strokecolor('#000');
foreach my $x (0 .. 0xf) {
last if(scalar @cols == 0);
foreach my $y (0 .. 0xf) {
last if(scalar @cols == 0);
my $t=shift @cols;
$gfx->fillcolor($t);
$gfx->circle($cx+($x-8)*$cs,$cy+($y-8)*$cs,$cr);
$gfx->fillstroke;
$gfx->textlabel($cx+($x-8)*$cs,$cy+($y-8)*$cs,$fnt,7,$t,-color=>'#000',-rotate=>$ang,-hspace=>85,-center=>1);
}
}
}
$pdf->saveas("$0.pdf");
$pdf->end();
exit;
__END__
|
