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<?php |
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/** |
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* Copyright (C) 2017-2022 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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class SemiDonutGraph extends DonutGraph { |
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|
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/** |
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* Override to set the options for semi-ness |
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*/ |
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public function __construct($w, $h, array $settings, array $fixed_settings = []) |
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{ |
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$reverse = isset($settings['reverse']) && $settings['reverse']; |
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$flipped = isset($settings['flipped']) && $settings['flipped']; |
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|
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$start = 180; |
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if($flipped) { |
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$start = 0; |
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$reverse = !$reverse; |
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} |
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if($reverse) { |
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$start += 180; |
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} |
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|
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$fixed = [ |
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'reverse' => $reverse, |
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'start_angle' => $start, |
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'end_angle' => $start + 180, |
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'slice_fit' => true |
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]; |
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$fixed_settings = array_merge($fixed, $fixed_settings); |
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parent::__construct($w, $h, $settings, $fixed_settings); |
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} |
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|
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/** |
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* Overridden to keep inner text in the middle |
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*/ |
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public function dataLabelPosition($dataset, $index, &$item, $x, $y, $w, $h, |
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$label_w, $label_h) |
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{ |
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if($dataset === 'innertext') { |
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if($this->getOption('flipped')) |
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$y_offset = new Number($label_h / 2); |
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else |
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$y_offset = new Number($label_h / -2); |
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return ['centre middle 0 ' . $y_offset, [$x, $y] ]; |
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} |
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|
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return parent::dataLabelPosition($dataset, $index, $item, $x, $y, $w, $h, |
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$label_w, $label_h); |
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} |
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} |
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|
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