NAME

Chart::Sequence::Renderer::Imager - Render a sequence diagram with Imager.pm

SYNOPSIS

DESCRIPTION

METHODS

lay_out
    $renderer->lay_out( $sequence );
    $renderer->lay_out( $sequence, {
        Layout => $layout,
    } );

Uses Chart::Sequence::Layout if no $layout module reference is provided.

Prepares a sequence for rendering with this renderer.

render_to_file

Given a layed out sequence, generate an image file.

    $renderer->render_to_file( $s, "foo.png" );

Lays out the image if it's not layed out.

render
    $renderer->render( $s, "png" );

Given a layed out sequence, render it and return it.

Lays out image if not layed out.

Methods called by the layout engine

string_metrics

Returns the bounding box for a string:

    {
        w     => $width,
        h     => $height,
        xoffs => $x_offset,
        yoffs => $y_offset,
        font  => $font_handle,
    }

The height is normalized for the entire font so that the strings will always line up.

LIMITATIONS

COPYRIGHT

    Copyright 2002, R. Barrie Slaymaker, Jr., All Rights Reserved

LICENSE

You may use this module under the terms of the BSD, Artistic, oir GPL licenses, any version.

AUTHOR

Barrie Slaymaker <barries@slaysys.com>