<?php
/**
* This code generates an SVG QR code with rounded corners. It uses a round rect for each square and then additional
* paths to fill in the gap where squares are next to each other. Adjacent squares overlap - to almost completely
* eliminate hairline antialias "cracks" that tend to appear when two SVG paths are exactly adjacent to each other.
*
* @see https://github.com/chillerlan/php-qrcode/issues/127
*/
use chillerlan\QRCode\{QRCode, QROptions};
use chillerlan\QRCode\Common\EccLevel;
use chillerlan\QRCode\Data\QRMatrix;
use chillerlan\QRCode\Output\{QROutputInterface, QRMarkupSVG};
require_once dirname(dirname(dirname(__DIR__))).'/autoload.php';
/*
* Class definition
*/
// /**
// * the extended SVG output module
// */
// class MeltedSVGQRCodeOutput extends QRMarkupSVG{
// /**
// * @inheritDoc
// */
// protected function path(string $path, int $M_TYPE):string{
// // omit the "fill" and "opacity" attributes on the path element
// return sprintf('<path class="%s" d="%s"/>', $this->getCssClass($M_TYPE), $path);
// }
// /**
// * @inheritDoc
// */
// protected function collectModules(Closure $transform):array{
// $paths = [];
// // collect the modules for each type
// foreach($this->matrix->matrix() as $y => $row){
// foreach($row as $x => $M_TYPE){
// $M_TYPE_LAYER = $M_TYPE;
// if($this->options->connectPaths && !$this->matrix->checkTypeIn($x, $y, $this->options->excludeFromConnect)){
// // to connect paths we'll redeclare the $M_TYPE_LAYER to data only
// $M_TYPE_LAYER = QRMatrix::M_DATA;
// if($this->matrix->check($x, $y)){
// $M_TYPE_LAYER |= QRMatrix::IS_DARK;
// }
// }
// // if we're going to "melt" the matrix, we'll declare *all* modules as dark,
// // so that light modules with dark parts are rendered in the same path
// if($this->options->melt){
// $M_TYPE_LAYER |= QRMatrix::IS_DARK;
// }
// // collect the modules per $M_TYPE
// $module = $transform($x, $y, $M_TYPE, $M_TYPE_LAYER);
// if(!empty($module)){
// $paths[$M_TYPE_LAYER][] = $module;
// }
// }
// }
// // beautify output
// ksort($paths);
// return $paths;
// }
// /**
// * @inheritDoc
// */
// protected function module(int $x, int $y, int $M_TYPE):string{
// $bits = $this->matrix->checkNeighbours($x, $y, null);
// $check = fn(int $all, int $any = 0):bool => ($bits & ($all | (~$any & 0xff))) === $all;
// $template = ($M_TYPE & QRMatrix::IS_DARK) === QRMatrix::IS_DARK
// ? $this->darkModule($check, $this->options->inverseMelt)
// : $this->lightModule($check, $this->options->inverseMelt);
// $r = $this->options->meltRadius;
// return sprintf($template, $x, $y, $r, (1 - $r), (1 - 2 * $r));
// }
// /**
// * returns a dark module for the given values
// */
// protected function darkModule(Closure $check, bool $invert):string{
// switch(true){
// // 4 rounded
// case !$invert && $check(0b00000000, 0b01010101):
// case $invert && $check(0b00000000, 0b00000000):
// return 'M%1$s,%2$s m0,%3$s v%5$s q0,%3$s %3$s,%3$s h%5$s q%3$s,0 %3$s,-%3$s v-%5$s q0,-%3$s -%3$s,-%3$s h-%5$s q-%3$s,0 -%3$s,%3$sZ';
// // 3 rounded
// case $invert && $check(0b01000000, 0b00000000): // 135
// return 'M%1$s,%2$s m0,1 h%4$s q%3$s,0 %3$s,-%3$s v-%5$s q0,-%3$s -%3$s,-%3$s h-%5$s q-%3$s,0 -%3$s,%3$sZ';
// case $invert && $check(0b00000001, 0b00000000): // 357
// return 'M%1$s,%2$s v%4$s q0,%3$s %3$s,%3$s h%5$s q%3$s,0 %3$s,-%3$s v-%5$s q0,-%3$s -%3$s,-%3$sZ';
// case $invert && $check(0b00000100, 0b00000000): // 571
// return 'M%1$s,%2$s m1,0 v%4$s q0,%3$s -%3$s,%3$s h-%5$s q-%3$s,0 -%3$s,-%3$s v-%5$s q0,-%3$s %3$s,-%3$sZ';
// case $invert && $check(0b00010000, 0b00000000): // 713
// return 'M%1$s,%2$s m1,1 h-%4$s q-%3$s,0 -%3$s,-%3$s v-%5$s q0,-%3$s %3$s,-%3$s h%5$s q%3$s,0 %3$s,%3$sZ';
// // 2 rounded
// case !$invert && $check(0b00100000, 0b01010101): // 13
// case $invert && $check(0b00000000, 0b01110000):
// return 'M%1$s,%2$s m0,1 h1 v-%4$s q0,-%3$s -%3$s,-%3$s h-%5$s q-%3$s,0 -%3$s,%3$sZ';
// case !$invert && $check(0b10000000, 0b01010101): // 35
// case $invert && $check(0b00000000, 0b11000001):
// return 'M%1$s,%2$s v1 h%4$s q%3$s,0 %3$s,-%3$s v-%5$s q0,-%3$s -%3$s,-%3$sZ';
// case !$invert && $check(0b00000010, 0b01010101): // 57
// case $invert && $check(0b00000000, 0b00000111):
// return 'M%1$s,%2$s v%4$s q0,%3$s %3$s,%3$s h%5$s q%3$s,0 %3$s,-%3$s v-%4$sZ';
// case !$invert && $check(0b00001000, 0b01010101): // 71
// case $invert && $check(0b00000000, 0b00011100):
// return 'M%1$s,%2$s m1,1 v-1 h-%4$s q-%3$s,0 -%3$s,%3$s v%5$s q0,%3$s %3$s,%3$sZ';
// // diagonal
// case $invert && $check(0b01000100, 0b00000000): // 15
// return 'M%1$s,%2$s m0,1 h%4$s q%3$s,0 %3$s,-%3$s v-%4$s h-%4$s q-%3$s,0 -%3$s,%3$sZ';
// case $invert && $check(0b00010001, 0b00000000): // 37
// return 'M%1$s,%2$s h%4$s q%3$s,0 %3$s,%3$s v%4$s h-%4$s q-%3$s,0 -%3$s,-%3$sZ';
// // 1 rounded
// case !$invert && $check(0b00101000, 0b01010101): // 1
// case $invert && $check(0b00000000, 0b01111100):
// return 'M%1$s,%2$s m0,1 h1 v-1 h-%4$s q-%3$s,0 -%3$s,%3$sZ';
// case !$invert && $check(0b10100000, 0b01010101): // 3
// case $invert && $check(0b00000000, 0b11110001):
// return 'M%1$s,%2$s h%4$s q%3$s,0 %3$s,%3$s v%4$s h-1Z';
// case !$invert && $check(0b10000010, 0b01010101): // 5
// case $invert && $check(0b00000000, 0b11000111):
// return 'M%1$s,%2$s h1 v%4$s q0,%3$s -%3$s,%3$s h-%4$sZ';
// case !$invert && $check(0b00001010, 0b01010101): // 7
// case $invert && $check(0b00000000, 0b00011111):
// return 'M%1$s,%2$s v%4$s q0,%3$s %3$s,%3$s h%4$s v-1Z';
// }
// // full square
// return 'M%1$s,%2$s h1 v1 h-1Z';
// }
// /**
// * returns a light module for the given values
// */
// protected function lightModule(Closure $check, bool $invert):string{
// switch(true){
// // 4 rounded
// case !$invert && $check(0b11111111, 0b01010101):
// case $invert && $check(0b10101010, 0b01010101):
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m0,1 h-%3$s q%3$s,0 %3$s,-%3$sz m-1,0 v-%3$s q0,%3$s %3$s,%3$sZ';
// // 3 rounded
// case !$invert && $check(0b10111111, 0b00000000): // 135
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m0,1 h-%3$s q%3$s,0 %3$s,-%3$sZ';
// case !$invert && $check(0b11111110, 0b00000000): // 357
// return 'M%1$s,%2$s m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m0,1 h-%3$s q%3$s,0 %3$s,-%3$sz m-1,0 v-%3$s q0,%3$s %3$s,%3$sZ';
// case !$invert && $check(0b11111011, 0b00000000): // 571
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m0,1 v-%3$s q0,%3$s %3$s,%3$sz m1,0 h-%3$s q%3$s,0 %3$s,-%3$sZ';
// case !$invert && $check(0b11101111, 0b00000000): // 713
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m0,1 v-%3$s q0,%3$s %3$s,%3$sz m1,-1 v%3$s q0,-%3$s -%3$s,-%3$sZ';
// // 2 rounded
// case !$invert && $check(0b10001111, 0b01110000): // 13
// case $invert && $check(0b10001010, 0b01010101):
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m1,0 v%3$s q0,-%3$s -%3$s,-%3$sZ';
// case !$invert && $check(0b00111110, 0b11000001): // 35
// case $invert && $check(0b00101010, 0b01010101):
// return 'M%1$s,%2$s m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m0,1 h-%3$s q%3$s,0 %3$s,-%3$sZ';
// case !$invert && $check(0b11111000, 0b00000111): // 57
// case $invert && $check(0b10101000, 0b01010101):
// return 'M%1$s,%2$s m1,1 h-%3$s q%3$s,0 %3$s,-%3$sz m-1,0 v-%3$s q0,%3$s %3$s,%3$sZ';
// case !$invert && $check(0b11100011, 0b00011100): // 71
// case $invert && $check(0b10100010, 0b01010101):
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m0,1 v-%3$s q0,%3$s %3$s,%3$sZ';
// // diagonal
// case !$invert && $check(0b10111011, 0b00000000): // 15
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m1,1 h-%3$s q%3$s,0 %3$s,-%3$sZ';
// case !$invert && $check(0b11101110, 0b00000000): // 37
// return 'M%1$s,%2$s m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m-1,1 v-%3$s q0,%3$s %3$s,%3$sZ';
// // 1 rounded
// case !$invert && $check(0b10000011, 0b01111100): // 1
// case $invert && $check(0b10000010, 0b01010101):
// return 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sZ';
// case !$invert && $check(0b00001110, 0b11110001): // 3
// case $invert && $check(0b00001010, 0b01010101):
// return 'M%1$s,%2$s m1,0 v%3$s q0,-%3$s -%3$s,-%3$sZ';
// case !$invert && $check(0b00111000, 0b11000111): // 5
// case $invert && $check(0b00101000, 0b01010101):
// return 'M%1$s,%2$s m1,1 h-%3$s q%3$s,0 %3$s,-%3$sZ';
// case !$invert && $check(0b11100000, 0b00011111): // 7
// case $invert && $check(0b10100000, 0b01010101):
// return 'M%1$s,%2$s m0,1 v-%3$s q0,%3$s %3$s,%3$sZ';
// }
// // empty block
// return '';
// }
// }
// /**
// * the augmented options class
// */
// class MeltedOutputOptions extends QROptions{
// /**
// * enable "melt" effect
// */
// protected bool $melt = false;
// /**
// * whether to let the melt effect flow along the dark or light modules
// */
// protected bool $inverseMelt = false;
// /**
// * the corner radius for melted modules
// */
// protected float $meltRadius = 0.15;
// /**
// * clamp/set melt corner radius
// */
// protected function set_meltRadius(float $meltRadius):void{
// $this->meltRadius = max(0.01, min(0.5, $meltRadius));
// }
// }
/*
* Runtime
*/
$options = new QROptions([
'melt' => true,
'inverseMelt' => true,
'meltRadius' => 0.4,
'version' => 7,
'eccLevel' => EccLevel::H,
'addQuietzone' => true,
'addLogoSpace' => true,
'logoSpaceWidth' => 13,
'logoSpaceHeight' => 13,
'connectPaths' => true,
'imageBase64' => false,
// 'outputType' => QROutputInterface::CUSTOM,
// 'outputInterface' => MeltedSVGQRCodeOutput::class,
'excludeFromConnect' => [
QRMatrix::M_FINDER_DARK,
QRMatrix::M_FINDER_DOT,
],
'svgDefs' => '
<linearGradient id="rainbow" x1="100%" y2="100%">
<stop stop-color="#e2453c" offset="2.5%"/>
<stop stop-color="#e07e39" offset="21.5%"/>
<stop stop-color="#e5d667" offset="40.5%"/>
<stop stop-color="#51b95b" offset="59.5%"/>
<stop stop-color="#1e72b7" offset="78.5%"/>
<stop stop-color="#6f5ba7" offset="97.5%"/>
</linearGradient>
<style><![CDATA[
.light, .dark{fill: url(#rainbow);}
]]></style>',
]);
$qrcode = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
if(php_sapi_name() !== 'cli'){
header('Content-type: image/svg+xml');
if(extension_loaded('zlib')){
header('Vary: Accept-Encoding');
header('Content-Encoding: gzip');
$qrcode = gzencode($qrcode, 9);
}
}
echo $qrcode;
exit;