<?php
/**
* Copyright (C) 2019-2020 Graham Breach
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* For more information, please contact <[email protected]>
*/
namespace Goat1000\SVGGraph;
class EmptyGraph extends Graph {
/**
* Does nothing, no colours to set up
*/
protected function setup()
{
}
/**
* Draws an empty graph
*/
protected function draw()
{
// maybe not completely empty
return $this->underShapes() . $this->overShapes();
}
/**
* Ignore values, not used on empty graph
*/
public function values($values)
{
}
/**
* Drawing nothing, so check nothing
*/
protected function checkValues()
{
}
}
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