mirror of
https://github.com/chillerlan/php-qrcode.git
synced 2026-08-17 14:31:08 +00:00
smiley
168 lines
3.9 KiB
PHP
168 lines
3.9 KiB
PHP
<?php
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/**
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* Randomly colored modules example
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*
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* @see https://github.com/chillerlan/php-qrcode/discussions/136
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*
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* @created 09.07.2022
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* @author Smiley <smiley@chillerlan.net>
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* @copyright 2022 Smiley
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* @license MIT
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*
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* @noinspection PhpIllegalPsrClassPathInspection
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*/
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declare(strict_types=1);
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use chillerlan\QRCode\{QRCode, QROptions};
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use chillerlan\QRCode\Common\EccLevel;
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use chillerlan\QRCode\Data\QRMatrix;
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use chillerlan\QRCode\Output\QRMarkupSVG;
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require_once __DIR__.'/../vendor/autoload.php';
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/*
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* Class definition
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*/
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// the extended SVG output module
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class RandomDotsSVGOutput extends QRMarkupSVG{
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protected function path(string $path, int $M_TYPE):string{
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// omit the "fill" and "opacity" attributes on the path element
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return sprintf('<path class="%s" d="%s"/>', $this->getCssClass($M_TYPE), $path);
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}
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/**
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* To alter the layer a module appears on, we need to re-implement the collection method
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*
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* @inheritDoc
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*/
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protected function collectModules(Closure $transform):array{
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$paths = [];
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$dotColors = $this->options->dotColors; // avoid magic getter in long loops
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// collect the modules for each type
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foreach($this->matrix->getMatrix() as $y => $row){
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foreach($row as $x => $M_TYPE){
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$M_TYPE_LAYER = $M_TYPE;
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if($this->connectPaths && !$this->matrix->checkTypeIn($x, $y, $this->excludeFromConnect)){
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// to connect paths we'll redeclare the $M_TYPE_LAYER to data only
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$M_TYPE_LAYER = QRMatrix::M_DATA;
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if($this->matrix->isDark($M_TYPE)){
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$M_TYPE_LAYER = QRMatrix::M_DATA_DARK;
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}
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}
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// randomly assign another $M_TYPE_LAYER for the given types
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// note that the layer id has to be an integer value,
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// ideally outside the several bitmask values
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if($M_TYPE_LAYER === QRMatrix::M_DATA_DARK){
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$M_TYPE_LAYER = array_rand($dotColors);
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}
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// collect the modules per $M_TYPE
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$module = $transform($x, $y, $M_TYPE, $M_TYPE_LAYER);
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if(!empty($module)){
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$paths[$M_TYPE_LAYER][] = $module;
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}
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}
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}
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// beautify output
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ksort($paths);
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return $paths;
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}
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}
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/**
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* the extended options with the $dotColors option
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*
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* @property array<int, string> $dotColors
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*/
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class RandomDotsOptions extends QROptions{
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/**
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* a map of $M_TYPE_LAYER => color
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*
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* @see \array_rand()
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* @var array<int, string>
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*/
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protected array $dotColors = [];
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}
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/*
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* Runtime
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*/
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// prepare the options
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$options = new RandomDotsOptions;
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// our custom dot colors
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// adding the IS_DARK flag so that the proper layer css class is assigned
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$options->dotColors = [
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(111 | QRMatrix::IS_DARK) => '#e2453c',
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(222 | QRMatrix::IS_DARK) => '#e07e39',
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(333 | QRMatrix::IS_DARK) => '#e5d667',
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(444 | QRMatrix::IS_DARK) => '#51b95b',
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(555 | QRMatrix::IS_DARK) => '#1e72b7',
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(666 | QRMatrix::IS_DARK) => '#6f5ba7',
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];
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// generate the CSS for the several colored layers
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$layerColors = '';
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foreach($options->dotColors as $layer => $color){
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$layerColors .= sprintf("\n\t\t.qr-%s{ fill: %s; }", $layer, $color);
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}
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$options->svgDefs = '
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<style><![CDATA[
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.dark{ fill: #424242; }
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'.$layerColors.'
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]]></style>';
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// set the custom output interface
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$options->outputInterface = RandomDotsSVGOutput::class;
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// common qrcode options
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$options->version = 5;
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$options->eccLevel = EccLevel::H;
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$options->addQuietzone = true;
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$options->outputBase64 = false;
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$options->drawLightModules = false;
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$options->connectPaths = true;
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$options->excludeFromConnect = [
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QRMatrix::M_FINDER_DARK,
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QRMatrix::M_FINDER_DOT,
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QRMatrix::M_ALIGNMENT_DARK,
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];
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$options->drawCircularModules = true;
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$options->circleRadius = 0.4;
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$options->keepAsSquare = [
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QRMatrix::M_FINDER_DARK,
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QRMatrix::M_FINDER_DOT,
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QRMatrix::M_ALIGNMENT_DARK,
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];
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$out = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
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// dump the output
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if(PHP_SAPI !== 'cli'){
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header('content-type: image/svg+xml');
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}
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echo $out;
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exit;
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