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<?php |
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/** |
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* Copyright (C) 2015-2021 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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/** |
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* Arbitrary shapes for adding to graphs |
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*/ |
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class ShapeList { |
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|
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const ABOVE = 1; |
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const BELOW = 0; |
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|
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private $graph; |
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private $shapes = []; |
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|
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public function __construct(&$graph) |
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{ |
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$this->graph =& $graph; |
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} |
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|
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/** |
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* Load shapes from options list |
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*/ |
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public function load(&$settings) |
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{ |
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if(!isset($settings['shape'])) |
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return; |
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|
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if(!is_array($settings['shape']) || !isset($settings['shape'][0])) |
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throw new \Exception('Malformed shape option'); |
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|
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if(!is_array($settings['shape'][0])) { |
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$this->addShape($settings['shape']); |
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return; |
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} |
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|
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foreach($settings['shape'] as $shape) |
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$this->addShape($shape); |
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} |
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|
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/** |
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* Draw all the shapes for the selected depth |
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*/ |
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public function draw($depth) |
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{ |
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$content = []; |
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foreach($this->shapes as $shape) { |
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if($shape->depth($depth)) |
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$content[] = $shape->draw($this->graph); |
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} |
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return implode($content); |
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} |
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|
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/** |
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* Adds a shape from config array |
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*/ |
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private function addShape(&$shape_array) |
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{ |
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$this->shapes[] = $this->getShape($shape_array); |
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} |
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|
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/** |
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* Returns a shape class |
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*/ |
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public function getShape(&$shape_array) |
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{ |
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$shape = $shape_array[0]; |
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unset($shape_array[0]); |
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|
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$class_map = [ |
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'circle' => 'Goat1000\\SVGGraph\\Circle', |
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'ellipse' => 'Goat1000\\SVGGraph\\Ellipse', |
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'rect' => 'Goat1000\\SVGGraph\\Rect', |
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'line' => 'Goat1000\\SVGGraph\\Line', |
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'polyline' => 'Goat1000\\SVGGraph\\PolyLine', |
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'polygon' => 'Goat1000\\SVGGraph\\Polygon', |
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'path' => 'Goat1000\\SVGGraph\\Path', |
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'marker' => 'Goat1000\\SVGGraph\\MarkerShape', |
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'figure' => 'Goat1000\\SVGGraph\\FigureShape', |
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'image' => 'Goat1000\\SVGGraph\\Image', |
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'text' => 'Goat1000\\SVGGraph\\TextShape', |
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]; |
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|
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if(isset($class_map[$shape]) && class_exists($class_map[$shape])) { |
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$depth = ShapeList::BELOW; |
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if(isset($shape_array['depth']) && $shape_array['depth'] == 'above') |
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$depth = ShapeList::ABOVE; |
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|
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if(isset($shape_array['clip_to_grid']) && $shape_array['clip_to_grid'] && |
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method_exists($this->graph, 'gridClipPath')) { |
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$clip_id = $this->graph->gridClipPath(); |
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$shape_array['clip-path'] = 'url(#' . $clip_id . ')'; |
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} |
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unset($shape_array['depth'], $shape_array['clip_to_grid']); |
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return new $class_map[$shape]($shape_array, $depth); |
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} |
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throw new \Exception('Unknown shape [' . $shape . ']'); |
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} |
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} |
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|
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