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@@ -89,46 +89,35 @@ In order to do so, we need to collect the modules per `$M_TYPE` before we can re
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}
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```
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-We've introduced another method that handles the module rendering, which incooperates handling of the `QROptions::$drawLightModules` setting:
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-
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-```php
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- protected function module(int $x, int $y, int $M_TYPE):string{
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-
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- if(!$this->drawLightModules && !$this->matrix->isDark($M_TYPE)){
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- return '';
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- }
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-
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- return sprintf('x: %s, y: %s', $x, $y);
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- }
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-```
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-
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Speaking of option settings, there's also `QROptions::$connectPaths` which we haven't taken care of yet - the good news is that we don't need to as it is already implemented!
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We'll modify the above `dump()` method to use `QROutputAbstract::collectModules()` instead.
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-The module collector accepts a `Closure` as its only parameter, which is called with 4 parameters:
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+The module collector calls a method `moduleTransform()` internally, which is called with 4 parameters:
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- `$x` : current column
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- `$y` : current row
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- `$M_TYPE` : field value
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- `$M_TYPE_LAYER`: (possibly modified) field value that acts as layer id
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-We only need the first 3 parameters, so our closure would look as follows:
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+We'## introduce another method that handles the module rendering, which incooperates handling of the `QROptions::$drawLightModules` setting:
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```php
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-$closure = fn(int $x, int $y, int $M_TYPE):string => $this->module($x, $y, $M_TYPE);
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-```
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+ protected function moduleTransform(int $x, int $y, int $M_TYPE, int $M_TYPE_LAYER):string{
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-As of PHP 8.1+ we can narrow this down with the [first class callable syntax](https://www.php.net/manual/en/functions.first_class_callable_syntax.php):
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+ if(!$this->drawLightModules && !$this->matrix->isDark($M_TYPE)){
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+ return '';
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+ }
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-```php
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-$closure = $this->module(...);
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+ return sprintf('x: %s, y: %s', $x, $y);
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+ }
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```
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+
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This is our final output method then:
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```php
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public function dump(string $file = null):string{
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- $collections = $this->collectModules($this->module(...));
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+ $collections = $this->collectModules();
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// build the final output
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$out = [];
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@@ -151,8 +140,7 @@ This is our final output method then:
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To run the output we just need to set the `QROptions::$outputInterface` to our custom class:
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```php
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-$options = new QROptions;
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-$options->outputType = QROutputInterface::CUSTOM;
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+$options = new QROptions;
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$options->outputInterface = MyCustomOutput::class;
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$options->connectPaths = true;
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$options->drawLightModules = true;
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@@ -169,7 +157,20 @@ $qrcode->addByteSegment('test');
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var_dump($qrcode->render());
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```
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+Alternatively, you can invoke the `QROutputInterface` manually:
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+
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+```php
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+$qrcode = new QRCode($options);
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+$qrOutputInterface = new MyCustomOutput($options, $qrcode->getMatrix($data));
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+
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+//dump the output, which is equivalent to QRCode::render()
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+$qrOutputInterface->dump();
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+// render to file
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+$qrOutputInterface->dump('/path/to/qrcode.svg');
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+```
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+
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The output looks similar to the following:
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+
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```
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these-modules-are-light (000000000010)
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@@ -227,7 +228,7 @@ class MyCustomOutput extends QROutputAbstract{
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return implode("\n", $out);
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}
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- protected function module(int $x, int $y, int $M_TYPE):string{
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+ protected function moduleTransform(int $x, int $y, int $M_TYPE, int $M_TYPE_LAYER):string{
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if(!$this->drawLightModules && !$this->matrix->isDark($M_TYPE)){
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return '';
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smiley