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<?php |
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/** |
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* Copyright (C) 2019-2022 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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* Data class for SVG attribute |
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*/ |
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class Attribute { |
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public $name; |
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public $value; |
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public $encoding; |
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public $units = ''; |
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|
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// these properties require units to work well |
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private static $require_units = [ |
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'baseline-shift' => 1, |
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'font-size' => 1, |
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'kerning' => 1, |
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'letter-spacing' => 1, |
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'stroke-dashoffset' => 1, |
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'stroke-width' => 1, |
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'word-spacing' => 1, |
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]; |
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|
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public function __construct($name, $value, $encoding) |
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{ |
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$this->name = $name; |
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if(isset(Attribute::$require_units[$name])) |
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$this->units = 'px'; |
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$this->value = $value; |
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$this->encoding = $encoding; |
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|
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if(is_numeric($value)) |
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$this->value = new Number($value, $this->units); |
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} |
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|
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public function __toString() |
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{ |
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if($this->value === null) |
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return ''; |
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if(is_object($this->value)) |
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return (string)$this->value; |
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|
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return htmlspecialchars($this->value, ENT_COMPAT, $this->encoding); |
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} |
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} |
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|
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|
