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<?php |
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/** |
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* Copyright (C) 2018-2023 Graham Breach |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/** |
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* For more information, please contact <graham@goat1000.com> |
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*/ |
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|
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namespace Goat1000\SVGGraph; |
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|
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class Figures { |
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|
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private $graph; |
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private $settings; |
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private $loaded = false; |
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private $figure_map = []; |
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|
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public function __construct(&$graph, &$settings) |
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{ |
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$this->graph =& $graph; |
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$this->settings =& $settings; |
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} |
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|
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/** |
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* Load figures from options list |
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*/ |
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public function load() |
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{ |
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if($this->loaded) |
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return; |
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$this->loaded = true; |
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|
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if(!isset($this->settings['figure'])) |
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return; |
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|
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if(!is_array($this->settings['figure']) || |
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!isset($this->settings['figure'][0])) |
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throw new \Exception('Malformed figure option.'); |
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|
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if(!is_array($this->settings['figure'][0])) { |
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$this->addFigure($this->settings['figure']); |
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} else { |
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foreach($this->settings['figure'] as $figure) { |
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$this->addFigure($figure); |
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} |
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} |
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} |
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|
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/** |
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* Adds a figure to the list |
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*/ |
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private function addFigure($figure_array) |
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{ |
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$name = array_shift($figure_array); |
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if(isset($this->figure_map[$name])) |
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throw new \Exception('Figure [' . $name . '] defined more than once.'); |
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$content = ''; |
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$shapes = $this->graph->getShapeList(); |
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if(!is_array($figure_array[0])) { |
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$shape = $shapes->getShape($figure_array); |
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$content .= $shape->draw($this->graph); |
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} else { |
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foreach($figure_array as $s) { |
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$shape = $shapes->getShape($s); |
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$content .= $shape->draw($this->graph); |
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} |
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} |
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$id = $this->graph->defs->defineSymbol($content); |
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$this->figure_map[$name] = $id; |
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} |
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|
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/** |
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* Returns a figure's symbol ID by name |
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*/ |
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public function getFigure($name) |
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{ |
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$this->load(); |
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if(isset($this->figure_map[$name])) |
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return $this->figure_map[$name]; |
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return null; |
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} |
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} |
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|
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