NAME

HIERARCHY

  Glib::Object
  +----Glib::InitiallyUnowned
       +----Gtk2::Object
            +----Gtk2::Widget
                 +----Gtk2::Container
                      +----Goo::Canvas

INTERFACES

  Glib::Object::_Unregistered::AtkImplementorIface
  Gtk2::Buildable

SYNOPSIS

    use Goo::Canvas;
    use Gtk2 '-init';
    use Glib qw(TRUE FALSE);

    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;
    $swin->set_shadow_type('in');
    $window->add($swin);

    my $canvas = Goo::Canvas->new();
    $canvas->set_size_request(600, 450);
    $canvas->set_bounds(0, 0, 1000, 1000);
    $swin->add($canvas);

    my $root = $canvas->get_root_item();
    my $rect = Goo::Canvas::Rect->new(
        $root, 100, 100, 400, 400,
        'line-width' => 10,
        'radius-x' => 20,
        'radius-y' => 10,
        'stroke-color' => 'yellow',
        'fill-color' => 'red'
    );
    $rect->signal_connect('button-press-event',
                          \&on_rect_button_press);

    my $text = Goo::Canvas::Text->new(
        $root, "Hello World", 300, 300, -1, 'center',
        'font' => 'Sans 24',
    );
    $text->rotate(45, 300, 300);
    $window->show_all();
    Gtk2->main;

    sub on_rect_button_press {
        print "Rect item pressed!\n";
        return TRUE;
    }

DESCRIPTION

For more documents, please read GooCanvas Manual and the demo programs provided in the source distribution in both perl-Goo::Canvas and GooCanvas.

METHODS

PROPERTIES

'anchor' (Gtk2::AnchorType : default "north-west" : readable / writable)

Where to place the canvas when it is smaller than the widget's allocated area

'automatic-bounds' (boolean : default false : readable / writable)

If the bounds are automatically calculated based on the bounds of all the items in the canvas

'background-color' (string : default undef : writable)

The color to use for the canvas background

'background-color-rgb' (Glib::UInt : default 0 : writable)

The color to use for the canvas background, specified as a 24-bit integer value, 0xRRGGBB

'bounds-from-origin' (boolean : default true : readable / writable)

If the automatic bounds are calculated from the origin

'bounds-padding' (double : default 0 : readable / writable)

The padding added to the automatic bounds

'clear-background' (boolean : default true : readable / writable)

If the background is cleared before the canvas is painted

'integer-layout' (boolean : default false : readable / writable)

If all item layout is done to the nearest integer

'redraw-when-scrolled' (boolean : default false : readable / writable)

If the canvas is completely redrawn when scrolled, to reduce the flicker of static items

'resolution-x' (double : default 96 : readable / writable)

The horizontal resolution of the display, in dots per inch

'resolution-y' (double : default 96 : readable / writable)

The vertical resolution of the display, in dots per inch

'scale' (double : default 1 : readable / writable)

The magnification factor of the canvas

'scale-x' (double : default 1 : readable / writable)

The horizontal magnification factor of the canvas

'scale-y' (double : default 1 : readable / writable)

The vertical magnification factor of the canvas

'units' (Gtk2::Unit : default "pixel" : readable / writable)

The units to use for the canvas

'x1' (double : default 0 : readable / writable)

The x coordinate of the left edge of the canvas bounds, in canvas units

'x2' (double : default 1000 : readable / writable)

The x coordinate of the right edge of the canvas bounds, in canvas units

'y1' (double : default 0 : readable / writable)

The y coordinate of the top edge of the canvas bounds, in canvas units

'y2' (double : default 1000 : readable / writable)

The y coordinate of the bottom edge of the canvas bounds, in canvas units

SIGNALS

item-created (Goo::Canvas, Goo::Canvas::Item, Goo::Canvas::ItemModel)

set-scroll-adjustments (Goo::Canvas, Gtk2::Adjustment, Gtk2::Adjustment)

ENUMS AND FLAGS

SEE ALSO

COPYRIGHT