', $this->getCssClass($M_TYPE), $path);
}
protected function collectModules():array{
$paths = [];
$melt = $this->options->melt; // avoid magic getter in long loops
// collect the modules for each type
foreach($this->matrix->getMatrix() as $y => $row){
foreach($row as $x => $M_TYPE){
$M_TYPE_LAYER = $M_TYPE;
if($this->connectPaths && !$this->matrix->checkTypeIn($x, $y, $this->excludeFromConnect)){
// to connect paths we'll redeclare the $M_TYPE_LAYER to data only
$M_TYPE_LAYER = QRMatrix::M_DATA;
if($this->matrix->isDark($M_TYPE)){
$M_TYPE_LAYER = QRMatrix::M_DATA_DARK;
}
}
// if we're going to "melt" the matrix, we'll declare *all* modules as dark,
// so that light modules with dark parts are rendered in the same path
if($melt){
$M_TYPE_LAYER |= QRMatrix::IS_DARK;
}
// collect the modules per $M_TYPE
$module = $this->moduleTransform($x, $y, $M_TYPE, $M_TYPE_LAYER);
if(!empty($module)){
$paths[$M_TYPE_LAYER][] = $module;
}
}
}
// beautify output
ksort($paths);
return $paths;
}
protected function moduleTransform(int $x, int $y, int $M_TYPE, int $M_TYPE_LAYER):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 $invert):string {
return match (true) {
!$invert && $check(0b00000000, 0b01010101),
$invert && $check(0b00000000, 0b00000000)
=> 'M%1$s %2$s m0.5,0 l0.5,0.5 l-0.5,0.5 l-0.5,-0.5Z',
$invert && $check(0b01000000, 0b00000000)
=> 'M%1$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',
$invert && $check(0b00000001, 0b00000000)
=> 'M%1$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',
$invert && $check(0b00000100, 0b00000000)
=> 'M%1$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',
$invert && $check(0b00010000, 0b00000000)
=> 'M%1$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$sZ',
!$invert && $check(0b00100000, 0b01010101),
$invert && $check(0b00000000, 0b01110000)
=> 'M%1$s,%2$s m0,1 h1 l-0.5,-1Z',
!$invert && $check(0b10000000, 0b01010101),
$invert && $check(0b00000000, 0b11000001)
=> 'M%1$s,%2$s v1 l1,-0.5Z',
!$invert && $check(0b00000010, 0b01010101),
$invert && $check(0b00000000, 0b00000111)
=> 'M%1$s,%2$s h1 l-0.5,1Z',
!$invert && $check(0b00001000, 0b01010101),
$invert && $check(0b00000000, 0b00011100)
=> 'M%1$s,%2$s m1,1 v-1 l-1,0.5Z',
$invert && $check(0b01000100, 0b00000000)
=> 'M%1$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',
$invert && $check(0b00010001, 0b00000000)
=> 'M%1$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',
!$invert && $check(0b00101000, 0b01010101),
$invert && $check(0b00000000, 0b01111100)
=> 'M%1$s,%2$s m0,1 h1 v-1 h-%4$s q-%3$s,0 -%3$s,%3$sZ',
!$invert && $check(0b10100000, 0b01010101),
$invert && $check(0b00000000, 0b11110001)
=> 'M%1$s,%2$s h%4$s q%3$s,0 %3$s,%3$s v%4$s h-1Z',
!$invert && $check(0b10000010, 0b01010101),
$invert && $check(0b00000000, 0b11000111)
=> 'M%1$s,%2$s h1 v%4$s q0,%3$s -%3$s,%3$s h-%4$sZ',
!$invert && $check(0b00001010, 0b01010101),
$invert && $check(0b00000000, 0b00011111)
=> 'M%1$s,%2$s v%4$s q0,%3$s %3$s,%3$s h%4$s v-1Z',
default
=> 'M%1$s,%2$s h1 v1 h-1Z',
};
}
/**
* returns a light module for the given values
*/
protected function lightModule(Closure $check, bool $invert):string {
return match (true) {
!$invert && $check(0b11111111, 0b01010101), $invert && $check(0b10101010, 0b01010101)
=> 'M%1$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$sZ',
!$invert && $check(0b10111111, 0b00000000)
=> 'M%1$s,%2$s h%3$sz m1,0 v%3$s q0,-%3$s -%3$s,-%3$sz m0,1 h-%3$s Z',
!$invert && $check(0b11111110, 0b00000000)
=> 'M%1$s,%2$s m1,0 v%3$s z m0,1 h-%3$s q%3$s,0 %3$s,-%3$sz m-1,0 v-%3$s Z',
!$invert && $check(0b11111011, 0b00000000)
=> 'M%1$s,%2$s h%3$s z m0,1 v-%3$s q0,%3$s %3$s,%3$sz m1,0 h-%3$s Z',
!$invert && $check(0b11101111, 0b00000000)
=> 'M%1$s,%2$s h%3$s q-%3$s,0 -%3$s,%3$sz m0,1 v-%3$s z m1,-1 v%3$s Z',
!$invert && $check(0b10001111, 0b01110000),
$invert && $check(0b10001010, 0b01010101),
!$invert && $check(0b00111110, 0b11000001),
$invert && $check(0b00101010, 0b01010101),
!$invert && $check(0b11111000, 0b00000111),
$invert && $check(0b10101000, 0b01010101),
!$invert && $check(0b11100011, 0b00011100),
$invert && $check(0b10100010, 0b01010101),
!$invert && $check(0b10111011, 0b00000000),
!$invert && $check(0b11101110, 0b00000000),
!$invert && $check(0b10000011, 0b01111100),
$invert && $check(0b10000010, 0b01010101),
!$invert && $check(0b00001110, 0b11110001),
$invert && $check(0b00001010, 0b01010101),
!$invert && $check(0b00111000, 0b11000111),
$invert && $check(0b00101000, 0b01010101),
!$invert && $check(0b11100000, 0b00011111),
$invert && $check(0b10100000, 0b01010101)
=> 'M%1$s,%2$s ',
default => '',
};
}
}
/**
* the augmented options class
*
* @property bool $melt
* @property bool $inverseMelt
* @property float $meltRadius
*/
class GroupShapeOutputOptions 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 GroupShapeOutputOptions;
// settings from the custom options class
$options->melt = true;
$options->inverseMelt = true;
$options->meltRadius = 0.5;
$options->version = 5;
$options->outputInterface = GroupShapeSVGQRCodeOutput::class;
$options->outputBase64 = false;
$options->addQuietzone = true;
$options->eccLevel = EccLevel::H;
$options->addLogoSpace = true;
$options->logoSpaceWidth = 13;
$options->logoSpaceHeight = 13;
$options->connectPaths = true;
$options->excludeFromConnect = [
QRMatrix::M_FINDER_DARK,
QRMatrix::M_FINDER_DOT,
];
$options->svgDefs = '
';
$out = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
if(PHP_SAPI !== 'cli'){
header('Content-type: image/svg+xml');
if(extension_loaded('zlib')){
header('Vary: Accept-Encoding');
header('Content-Encoding: gzip');
$out = gzencode($out, 9);
}
}
echo $out;
exit;