| 1 |
<?php |
| 2 |
/** |
| 3 |
* Copyright (C) 2019-2020 Graham Breach |
| 4 |
* |
| 5 |
* This program is free software: you can redistribute it and/or modify |
| 6 |
* it under the terms of the GNU Lesser General Public License as published by |
| 7 |
* the Free Software Foundation, either version 3 of the License, or |
| 8 |
* (at your option) any later version. |
| 9 |
* |
| 10 |
* This program is distributed in the hope that it will be useful, |
| 11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 |
* GNU Lesser General Public License for more details. |
| 14 |
* |
| 15 |
* You should have received a copy of the GNU Lesser General Public License |
| 16 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 |
*/ |
| 18 |
/** |
| 19 |
* For more information, please contact <graham@goat1000.com> |
| 20 |
*/ |
| 21 |
|
| 22 |
namespace Goat1000\SVGGraph; |
| 23 |
|
| 24 |
class EmptyGraph extends Graph { |
| 25 |
|
| 26 |
/** |
| 27 |
* Does nothing, no colours to set up |
| 28 |
*/ |
| 29 |
protected function setup() |
| 30 |
{ |
| 31 |
} |
| 32 |
|
| 33 |
/** |
| 34 |
* Draws an empty graph |
| 35 |
*/ |
| 36 |
protected function draw() |
| 37 |
{ |
| 38 |
// maybe not completely empty |
| 39 |
return $this->underShapes() . $this->overShapes(); |
| 40 |
} |
| 41 |
|
| 42 |
/** |
| 43 |
* Ignore values, not used on empty graph |
| 44 |
*/ |
| 45 |
public function values($values) |
| 46 |
{ |
| 47 |
} |
| 48 |
|
| 49 |
/** |
| 50 |
* Drawing nothing, so check nothing |
| 51 |
*/ |
| 52 |
protected function checkValues() |
| 53 |
{ |
| 54 |
} |
| 55 |
} |
| 56 |
|
| 57 |
|
