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#!/usr/bin/perl
# $Id$
# This simple demo has been developped by C. Schlienger <celine@intuilab.com>
use Tk;
use Tk::Zinc;
use strict;
my $defaultfont = '-adobe-helvetica-bold-r-normal-*-120-*-*-*-*-*-*';
my $mw = MainWindow->new();
###########################################
# Text zone
###########################################
my $text = $mw->Scrolled(qw/Text -relief sunken -borderwidth 2 -setgrid true
-height 4 -scrollbars e/);
$text->pack(qw/-expand yes -fill both/);
$text->insert('0.0',
'This toy-appli shows zoom actions on map item.
The following operations are possible:
Click "-" to zoom out
Click "+" to zoom in ' );
###########################################
# Zinc
###########################################
my $zinc_width=600;
my $zinc_height=500;
my $zinc = $mw->Zinc(-width => $zinc_width, -height => $zinc_height,
-font => "10x20",
-borderwidth => 3, -relief => 'sunken',
)->pack;
###########################################
# Waypoints and sector
###########################################
my $mapinfo=$mw->mapinfo("mapinfo","create"); #creation of mapinfo
#--------------------------------
# Waypoints
#--------------------------------
$mw->mapinfo("mapinfo","add","symbol",200,100,0);
$mw->mapinfo("mapinfo","add","symbol",300,150,0);
$mw->mapinfo("mapinfo","add","symbol",400,50,0);
$mw->mapinfo("mapinfo","add","symbol",350,450,0);
$mw->mapinfo("mapinfo","add","symbol",300,250,0);
$mw->mapinfo("mapinfo","add","symbol",170,240,0);
$mw->mapinfo("mapinfo","add","symbol",550,200,0);
#--------------------------------
# Waypoints names
#--------------------------------
$mw->mapinfo("mapinfo","add","text","normal","simple",170,100,"DO");
$mw->mapinfo("mapinfo","add","text","normal","simple",270,160,"RE");
$mw->mapinfo("mapinfo","add","text","normal","simple",410,50,"MI");
$mw->mapinfo("mapinfo","add","text","normal","simple",345,470,"FA");
$mw->mapinfo("mapinfo","add","text","normal","simple",280,265,"SOL");
$mw->mapinfo("mapinfo","add","text","normal","simple",150,240,"LA");
$mw->mapinfo("mapinfo","add","text","normal","simple",555,200,"SI");
#--------------------------------
# Routes
#--------------------------------
$mw->mapinfo("mapinfo","add","line","simple",1,200,100,300,150);
$mw->mapinfo("mapinfo","add","line","simple",1,300,150,400,50);
$mw->mapinfo("mapinfo","add","line","simple",1,300,150,350,450);
$mw->mapinfo("mapinfo","add","line","simple",1,300,250,170,240);
$mw->mapinfo("mapinfo","add","line","simple",1,300,250,550,200);
#--------------------------------
# Sectors
#---------------------------------
$mw->mapinfo("mapinfo","add","line","simple",1,300,0,400,50);
$mw->mapinfo("mapinfo","add","line","simple",1,400,50,500,100);
$mw->mapinfo("mapinfo","add","line","simple",1,500,100,550,200);
$mw->mapinfo("mapinfo","add","line","simple",1,550,200,550,400);
$mw->mapinfo("mapinfo","add","line","simple",1,550,400,350,450);
$mw->mapinfo("mapinfo","add","line","simple",1,350,450,170,240);
$mw->mapinfo("mapinfo","add","line","simple",1,170,240,200,100);
$mw->mapinfo("mapinfo","add","line","simple",1,200,100,300,0);
#--------------------------------
# Sectors
#---------------------------------
my $gpe = $zinc ->add('group',1);
my $map = $zinc ->add('map',$gpe,#creation of the map object which has 'mapinfo' information
-mapinfo=>"mapinfo",
-symbols=>['AtcSymbol15']);
###################################################
# control panel
###################################################
my $rc = $mw->Frame()->pack();
#the reference of the scale function is top-left corner of the zinc object
#so we first translate the group to zoom in order to put its center on top-left corner
#change the scale of the group
#translate the group to put it back at the center of the zinc object
my $minus=$rc->Button(-width => 2,
-height => 2,
-text => '-',
-command=>sub{
$zinc->translate($gpe,-$zinc_width/2,-$zinc_height/2);
$zinc->scale($gpe,0.8,0.8);
$zinc->translate($gpe, $zinc_width/2,$zinc_height/2);
})->pack(-side=>'left');
my $plus=$rc->Button(-width => 2,
-height => 2,
-text => '+',
-command=>sub{
$zinc->translate($gpe, -$zinc_width/2,-$zinc_height/2);
$zinc->scale($gpe,1.2,1.2);
$zinc->translate($gpe,$zinc_width/2,$zinc_height/2);
})->pack(-side => 'right');
MainLoop;
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