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#!/usr/bin/perl -w
# scalablity.pl ---
# Last modify Time-stamp: <Ye Wenbin 2007-09-29 09:15:37>
# Version: v 0.0 2007/09/26 15:32:25
# Author: Ye Wenbin <wenbinye@gmail.com>
use strict;
use warnings;
use FindBin qw/$Bin/;
use lib "$Bin/../blib/arch";
use lib "$Bin/../blib/lib";
use Goo::Canvas;
use Gtk2 '-init';
use Glib qw(TRUE FALSE);
use Time::HiRes qw/gettimeofday tv_interval/;
use constant {
N_GROUP_COLS => 5,
N_GROUP_ROWS => 5,
# N_GROUP_COLS => 25,
# N_GROUP_ROWS => 20,
N_COLS => 10,
N_ROWS => 10,
PADDING => 10,
};
use Data::Dumper qw(Dumper);
my $use_pixmap = shift;
my $max = 1<<29;
my ($left_offset, $top_offset, $total_width, $total_height);
my @ids;
my $window = Gtk2::Window->new('toplevel');
$window->signal_connect('delete_event' => sub { Gtk2->main_quit; });
$window->set_default_size(640, 600);
my $swin = Gtk2::ScrolledWindow->new;
$window->add($swin);
my $canvas = create_canvas();
$swin->add($canvas);
$window->show_all();
Gtk2->main();
sub create_canvas {
my $canvas = Goo::Canvas->new();
$canvas->set_size_request(600, 450);
my $start = [gettimeofday];
setup_canvas ($canvas);
print "Create Canvas Time Used: ", tv_interval($start), "\n";
$canvas->set_bounds($left_offset, $top_offset,
$left_offset + $total_width, $top_offset + $total_height);
return $canvas;
}
sub setup_canvas {
my $canvas = shift;
my ($root, $group, $item);
my ($pattern, $pixbuf);
my ($item_width, $item_height, $group_width, $group_height, $cell_width, $cell_height);
my @styles;
my ($total_items, $id_item_num) = (0, 0);
$root = $canvas->get_root_item();
if ( $use_pixmap ) {
# my $surface = Cairo::ImageSurface->create_from_png("$Bin/toroid.png");
# $item_width = $surface->get_width;
# $item_height = $surface->get_height;
# $pattern = Goo::Cairo::Pattern->new(
# Cairo::SurfacePattern->create($surface)
# );
$pixbuf = Gtk2::Gdk::Pixbuf->new_from_file("$Bin/toroid.png");
$item_width = $pixbuf->get_width;
$item_height = $pixbuf->get_height;
$pattern = Goo::Cairo::Pattern->new_from_pixbuf($pixbuf);
} else {
$item_width = 400;
$item_height = 19;
}
$cell_width = $item_width + PADDING * 2;
$cell_height = $item_height + PADDING * 2;
$group_width = N_COLS * $cell_width;
$group_height = N_ROWS * $cell_height;
$total_width = N_GROUP_COLS * $group_width;
$total_height = N_GROUP_ROWS * $group_height;
$left_offset = - $total_width / 2;
$top_offset = - $total_height / 2;
for ( 'mediumseagreen', 'steelblue' ) {
my $style = Goo::Canvas::Style->new;
my $color = Gtk2::Gdk::Color->parse($_);
my $pattern = Goo::Cairo::Pattern->new(
Cairo::SolidPattern->create_rgb(
map { $_/65535 } $color->red, $color->green, $color->blue
));
$style->set_property('fill-pattern', $pattern);
push @styles, $style;
}
OUTER:
foreach my $i ( 0..N_GROUP_COLS ) {
foreach my $j ( 0..N_GROUP_ROWS ) {
my $x = $left_offset + ($i * $group_width);
my $y = $top_offset + ($j * $group_height);
$group = Goo::Canvas::Group->new( $root );
$total_items++;
$group->translate($x, $y);
for my $i ( 0..N_COLS ) {
for my $j ( 0..N_ROWS ) {
my $ix = $i * $cell_width + PADDING;
my $iy = $j * $cell_height + PADDING;
my $rotation = $i % 10 * 2;
my $rx = $ix + $item_width / 2;
my $ry = $iy + $item_height / 2;
$ids[$id_item_num] = ($x+$ix) . " - " . ($y+$iy);
if ( $use_pixmap ) {
# use Data::Dumper qw(Dumper);
# print Dumper($pattern, $item_width), "\n";
$item = Goo::Canvas::Image->new(
$group, undef, $ix, $iy,
'pattern' => $pattern,
'width' => $item_width,
'height' => $item_height
);
$item->rotate($rotation, $rx, $ry);
} else {
$item = Goo::Canvas::Rect->new($group, $ix, $iy, $item_width, $item_height);
$item->set_style($styles[($j+1)%2]);
$item->rotate($rotation, $rx, $ry);
}
$item->{"id"} = $ids[$id_item_num];
$item->signal_connect('motion-notify-event',
\&on_motion_notify);
$item = Goo::Canvas::Text->new(
$group,
$ids[$id_item_num],
$ix+$item_width/2, $iy+$item_height/2,
-1, 'center',
"font" => 'Sans 8'
);
$item->rotate($rotation, $rx, $ry);
$id_item_num++;
$total_items+=2;
if ( $max < $total_items ) {
last OUTER;
}
}
}
}
}
print("total items: ", $total_items, "\n");
}
sub on_motion_notify {
my $item = shift;
print( ($item->{id} || "Unknown"),
" item received 'motion-notify' signal\n");
return FALSE;
}
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