:octocat: examples cleanup

examples/MyCustomOutput.php

@@ -1,58 +0,0 @@
-<?php
-/**
- * Class MyCustomOutput
- *
- * @created      24.12.2017
- * @author       Smiley <smiley@chillerlan.net>
- * @copyright    2017 Smiley
- * @license      MIT
- */
-
-namespace chillerlan\QRCodeExamples;
-
-use chillerlan\QRCode\Output\QROutputAbstract;
-
-class MyCustomOutput extends QROutputAbstract{
-
-	/**
-	 * @inheritDoc
-	 */
-	protected function moduleValueIsValid($value):bool{
-		// TODO: Implement moduleValueIsValid() method. (abstract)
-		return false;
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	protected function getModuleValue($value){
-		// TODO: Implement getModuleValue() method. (abstract)
-		return null;
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	protected function getDefaultModuleValue(bool $isDark){
-		// TODO: Implement getDefaultModuleValue() method. (abstract)
-		return null;
-	}
-
-	/**
-	 * @inheritDoc
-	 */
-	public function dump(string $file = null):string{
-		$output = '';
-
-		for($y = 0; $y < $this->moduleCount; $y++){
-			for($x = 0; $x < $this->moduleCount; $x++){
-				$output .= (int)$this->matrix->check($x, $y);
-			}
-
-			$output .= $this->options->eol;
-		}
-
-		return $output;
-	}
-
-}

examples/QRImageWithLogo.php

@@ -1,70 +0,0 @@
-<?php
-/**
- * Class QRImageWithLogo
- *
- * @created      18.11.2020
- * @author       smiley <smiley@chillerlan.net>
- * @copyright    2020 smiley
- * @license      MIT
- *
- * @noinspection PhpComposerExtensionStubsInspection
- */
-
-namespace chillerlan\QRCodeExamples;
-
-use chillerlan\QRCode\Output\{QRGdImage, QRCodeOutputException};
-
-use function imagecopyresampled, imagecreatefrompng, imagesx, imagesy, is_file, is_readable;
-
-class QRImageWithLogo extends QRGdImage{
-
-	/**
-	 * @param string|null $file
-	 * @param string|null $logo
-	 *
-	 * @return string
-	 * @throws \chillerlan\QRCode\Output\QRCodeOutputException
-	 */
-	public function dump(string $file = null, string $logo = null):string{
-		// set returnResource to true to skip further processing for now
-		$this->options->returnResource = true;
-
-		// of course you could accept other formats too (such as resource or Imagick)
-		// i'm not checking for the file type either for simplicity reasons (assuming PNG)
-		if(!is_file($logo) || !is_readable($logo)){
-			throw new QRCodeOutputException('invalid logo');
-		}
-
-		// there's no need to save the result of dump() into $this->image here
-		parent::dump($file);
-
-		$im = imagecreatefrompng($logo);
-
-		// get logo image size
-		$w = imagesx($im);
-		$h = imagesy($im);
-
-		// set new logo size, leave a border of 1 module (no proportional resize/centering)
-		$lw = ($this->options->logoSpaceWidth - 2) * $this->options->scale;
-		$lh = ($this->options->logoSpaceHeight - 2) * $this->options->scale;
-
-		// get the qrcode size
-		$ql = $this->matrix->size() * $this->options->scale;
-
-		// scale the logo and copy it over. done!
-		imagecopyresampled($this->image, $im, ($ql - $lw) / 2, ($ql - $lh) / 2, 0, 0, $lw, $lh, $w, $h);
-
-		$imageData = $this->dumpImage();
-
-		if($file !== null){
-			$this->saveToFile($imageData, $file);
-		}
-
-		if($this->options->imageBase64){
-			$imageData = $this->base64encode($imageData, 'image/'.$this->options->outputType);
-		}
-
-		return $imageData;
-	}
-
-}

examples/QRImageWithText.php

@@ -1,98 +0,0 @@
-<?php
-/**
- * Class QRImageWithText
- *
- * example for additional text
- *
- * @link         https://github.com/chillerlan/php-qrcode/issues/35
- *
- * @created      22.06.2019
- * @author       smiley <smiley@chillerlan.net>
- * @copyright    2019 smiley
- * @license      MIT
- *
- * @noinspection PhpComposerExtensionStubsInspection
- */
-
-namespace chillerlan\QRCodeExamples;
-
-use chillerlan\QRCode\Output\QRGdImage;
-use chillerlan\QRCode\QRCode;
-use function imagechar, imagecolorallocate, imagecolortransparent, imagecopymerge, imagecreatetruecolor,
-	imagedestroy, imagefilledrectangle, imagefontwidth, round, str_split, strlen;
-
-class QRImageWithText extends QRGdImage{
-
-	/**
-	 * @param string|null $file
-	 * @param string|null $text
-	 *
-	 * @return string
-	 */
-	public function dump(string $file = null, string $text = null):string{
-		// set returnResource to true to skip further processing for now
-		$this->options->returnResource = true;
-
-		// there's no need to save the result of dump() into $this->image here
-		parent::dump($file);
-
-		// render text output if a string is given
-		if($text !== null){
-			$this->addText($text);
-		}
-
-		$imageData = $this->dumpImage();
-
-		if($file !== null){
-			$this->saveToFile($imageData, $file);
-		}
-
-		if($this->options->imageBase64){
-			$imageData = $this->base64encode($imageData, 'image/'.$this->options->outputType);
-		}
-
-		return $imageData;
-	}
-
-	/**
-	 * @param string $text
-	 */
-	protected function addText(string $text):void{
-		// save the qrcode image
-		$qrcode = $this->image;
-
-		// options things
-		$textSize  = 3; // see imagefontheight() and imagefontwidth()
-		$textBG    = [200, 200, 200];
-		$textColor = [50, 50, 50];
-
-		$bgWidth  = $this->length;
-		$bgHeight = $bgWidth + 20; // 20px extra space
-
-		// create a new image with additional space
-		$this->image = imagecreatetruecolor($bgWidth, $bgHeight);
-		$background  = imagecolorallocate($this->image, ...$textBG);
-
-		// allow transparency
-		if($this->options->imageTransparent && $this->options->outputType !== QRCode::OUTPUT_IMAGE_JPG){
-			imagecolortransparent($this->image, $background);
-		}
-
-		// fill the background
-		imagefilledrectangle($this->image, 0, 0, $bgWidth, $bgHeight, $background);
-
-		// copy over the qrcode
-		imagecopymerge($this->image, $qrcode, 0, 0, 0, 0, $this->length, $this->length, 100);
-		imagedestroy($qrcode);
-
-		$fontColor = imagecolorallocate($this->image, ...$textColor);
-		$w         = imagefontwidth($textSize);
-		$x         = round(($bgWidth - strlen($text) * $w) / 2);
-
-		// loop through the string and draw the letters
-		foreach(str_split($text) as $i => $chr){
-			imagechar($this->image, $textSize, (int)($i * $w + $x), $this->length, $chr, $fontColor);
-		}
-	}
-
-}

examples/QRSvgWithLogo.php

@@ -1,54 +0,0 @@
-<?php
-/**
- * Class QRSvgWithLogo
- *
- * @created      05.03.2022
- * @author       smiley <smiley@chillerlan.net>
- * @copyright    2022 smiley
- * @license      MIT
- */
-
-namespace chillerlan\QRCodeExamples;
-
-use chillerlan\QRCode\Output\QRMarkupSVG;
-use function ceil, file_get_contents, sprintf;
-
-/**
- * Create SVG QR Codes with embedded logos (that are also SVG)
- */
-class QRSvgWithLogo extends QRMarkupSVG{
-
-	/**
-	 * @inheritDoc
-	 */
-	protected function paths():string{
-		$size = (int)ceil($this->moduleCount * $this->options->svgLogoScale);
-
-		// we're calling QRMatrix::setLogoSpace() manually, so QROptions::$addLogoSpace has no effect here
-		$this->matrix->setLogoSpace($size, $size);
-
-		$svg = parent::paths();
-		$svg .= $this->getLogo();
-
-		return $svg;
-	}
-
-	/**
-	 * returns a <g> element that contains the SVG logo and positions it properly within the QR Code
-	 *
-	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g
-	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/transform
-	 */
-	protected function getLogo():string{
-		// @todo: customize the <g> element to your liking (css class, style...)
-		return sprintf(
-			'%5$s<g transform="translate(%1$s %1$s) scale(%2$s)" class="%3$s">%5$s	%4$s%5$s</g>',
-			($this->moduleCount - ($this->moduleCount * $this->options->svgLogoScale)) / 2,
-			$this->options->svgLogoScale,
-			$this->options->svgLogoCssClass,
-			file_get_contents($this->options->svgLogo),
-			$this->options->eol
-		);
-	}
-
-}

examples/custom_output.php

@@ -4,15 +4,70 @@
  * @author       Smiley <smiley@chillerlan.net>
  * @copyright    2017 Smiley
  * @license      MIT
+ *
+ * @noinspection PhpIllegalPsrClassPathInspection
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Common\EccLevel;
+use chillerlan\QRCode\Output\QROutputAbstract;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
+/*
+ * Class definition
+ */
+
+class MyCustomOutput extends QROutputAbstract{
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function moduleValueIsValid($value):bool{
+		// TODO: Implement moduleValueIsValid() method. (abstract)
+		return false;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function getModuleValue($value){
+		// TODO: Implement getModuleValue() method. (abstract)
+		return null;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function getDefaultModuleValue(bool $isDark){
+		// TODO: Implement getDefaultModuleValue() method. (abstract)
+		return null;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	public function dump(string $file = null):string{
+		$output = '';
+
+		for($y = 0; $y < $this->moduleCount; $y++){
+			for($x = 0; $x < $this->moduleCount; $x++){
+				$output .= (int)$this->matrix->check($x, $y);
+			}
+
+			$output .= $this->options->eol;
+		}
+
+		return $output;
+	}
+
+}
+
+
+/*
+ * Runtime
+ */
+
 $data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';
 
 // invoke the QROutputInterface manually
@@ -29,7 +84,7 @@ $qrOutputInterface = new MyCustomOutput($options, $qrcode->getMatrix());
 var_dump($qrOutputInterface->dump());
 
 
-// or just
+// or just via the options
 $options = new QROptions([
 	'version'         => 5,
 	'eccLevel'        => EccLevel::L,
@@ -38,3 +93,5 @@ $options = new QROptions([
 ]);
 
 var_dump((new QRCode($options))->render($data));
+
+exit;

examples/eps.php

@@ -6,23 +6,19 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Common\EccLevel;
 use chillerlan\QRCode\Data\QRMatrix;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
-
 $options = new QROptions([
 	'version'      => 7,
 	'outputType'   => QRCode::OUTPUT_EPS,
 	'eccLevel'     => EccLevel::L,
 	'scale'        => 5,
 	'addQuietzone' => true,
-	'cachefile'    => __DIR__.'/test.eps',
+#	'cachefile'    => __DIR__.'/test.eps', // save to file
 	'moduleValues' => [
 		// finder
 		QRMatrix::M_FINDER | QRMatrix::IS_DARK     => 0xA71111, // dark (true)
@@ -52,11 +48,16 @@ $options = new QROptions([
 	],
 ]);
 
-// if viewed in the browser, we should push it as file download as EPS isn't usually supported
-header('Content-type: application/postscript');
-header('Content-Disposition: filename="qrcode.eps"');
 
-echo (new QRCode($options))->render($data);
+if(php_sapi_name() !== 'cli'){
+	// if viewed in the browser, we should push it as file download as EPS isn't usually supported
+	header('Content-type: application/postscript');
+	header('Content-Disposition: filename="qrcode.eps"');
+}
+
+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
+
+exit;
 
 
 

examples/fpdf.php

@@ -1,6 +1,9 @@
 <?php
-
-namespace chillerlan\QRCodeExamples;
+/**
+ * @created      03.06.2020
+ * @author       Maximilian Kresse
+ * @license      MIT
+ */
 
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
@@ -8,8 +11,6 @@ use chillerlan\QRCode\Common\EccLevel;
 
 require_once __DIR__ . '/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';
-
 $options = new QROptions([
     'version'      => 7,
     'outputType'   => QRCode::OUTPUT_FPDF,
@@ -44,6 +45,10 @@ $options = new QROptions([
     ],
 ]);
 
-\header('Content-type: application/pdf');
+if(php_sapi_name() !== 'cli'){
+	header('Content-type: application/pdf');
+}
+
+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
-echo (new QRCode($options))->render($data);
+exit;

examples/html.php

@@ -6,8 +6,6 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
@@ -16,36 +14,6 @@ require_once '../vendor/autoload.php';
 
 header('Content-Type: text/html; charset=utf-8');
 
-?>
-<!DOCTYPE html>
-<html lang="en">
-<head>
-	<meta charset="UTF-8"/>
-	<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-	<title>QRCode test</title>
-	<style>
-		div.qrcode{
-            margin: 5em;
-		}
-
-		/* rows */
-		div.qrcode > div {
-			height: 10px;
-		}
-
-		/* modules */
-		div.qrcode > div > span {
-			display: inline-block;
-			width: 10px;
-			height: 10px;
-		}
-	</style>
-</head>
-<body>
-<?php
-
-	$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
-
 	$options = new QROptions([
 		'version'      => 5,
 		'outputType'   => QRCode::OUTPUT_MARKUP_HTML,
@@ -80,7 +48,35 @@ header('Content-Type: text/html; charset=utf-8');
 		],
 	]);
 
-	echo (new QRCode($options))->render($data);
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="UTF-8"/>
+	<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+	<title>QRCode test</title>
+	<style>
+		div.qrcode{
+			margin: 5em;
+		}
+
+		/* rows */
+		div.qrcode > div {
+			height: 10px;
+		}
+
+		/* modules */
+		div.qrcode > div > span {
+			display: inline-block;
+			width: 10px;
+			height: 10px;
+		}
+	</style>
+</head>
+<body>
+<?php
+
+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
 ?>
 </body>

examples/image.php

@@ -6,17 +6,12 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
-use Throwable;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';
-
 $options = new QROptions([
 	'version'             => 7,
 	'outputType'          => QRCode::OUTPUT_IMAGE_PNG,
@@ -58,8 +53,9 @@ $options = new QROptions([
 	],
 ]);
 
+
 try{
-	$im = (new QRCode($options))->render($data);
+	$im = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 }
 catch(Throwable $e){
 	exit($e->getMessage());
@@ -69,7 +65,4 @@ header('Content-type: image/png');
 
 echo $im;
 
-
-
-
-
+exit;

examples/imageWithLogo.php

@@ -4,17 +4,77 @@
  * @author       smiley <smiley@chillerlan.net>
  * @copyright    2020 smiley
  * @license      MIT
+ *
+ * @noinspection PhpComposerExtensionStubsInspection, PhpIllegalPsrClassPathInspection
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Common\EccLevel;
 use chillerlan\QRCode\Data\QRMatrix;
+use chillerlan\QRCode\Output\{QRGdImage, QRCodeOutputException};
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://github.com';
+/*
+ * Class definition
+ */
+
+class QRImageWithLogo extends QRGdImage{
+
+	/**
+	 * @param string|null $file
+	 * @param string|null $logo
+	 *
+	 * @return string
+	 * @throws \chillerlan\QRCode\Output\QRCodeOutputException
+	 */
+	public function dump(string $file = null, string $logo = null):string{
+		// set returnResource to true to skip further processing for now
+		$this->options->returnResource = true;
+
+		// of course you could accept other formats too (such as resource or Imagick)
+		// i'm not checking for the file type either for simplicity reasons (assuming PNG)
+		if(!is_file($logo) || !is_readable($logo)){
+			throw new QRCodeOutputException('invalid logo');
+		}
+
+		// there's no need to save the result of dump() into $this->image here
+		parent::dump($file);
+
+		$im = imagecreatefrompng($logo);
+
+		// get logo image size
+		$w = imagesx($im);
+		$h = imagesy($im);
+
+		// set new logo size, leave a border of 1 module (no proportional resize/centering)
+		$lw = ($this->options->logoSpaceWidth - 2) * $this->options->scale;
+		$lh = ($this->options->logoSpaceHeight - 2) * $this->options->scale;
+
+		// get the qrcode size
+		$ql = $this->matrix->size() * $this->options->scale;
+
+		// scale the logo and copy it over. done!
+		imagecopyresampled($this->image, $im, ($ql - $lw) / 2, ($ql - $lh) / 2, 0, 0, $lw, $lh, $w, $h);
+
+		$imageData = $this->dumpImage();
+
+		if($file !== null){
+			$this->saveToFile($imageData, $file);
+		}
+
+		if($this->options->imageBase64){
+			$imageData = $this->base64encode($imageData, 'image/'.$this->options->outputType);
+		}
+
+		return $imageData;
+	}
+
+}
+
+/*
+ * Runtime
+ */
 
 $options = new QROptions([
 	'version'             => 5,
@@ -31,11 +91,14 @@ $options = new QROptions([
 ]);
 
 $qrcode = new QRCode($options);
-$qrcode->addByteSegment($data);
+$qrcode->addByteSegment('https://github.com');
 
 header('Content-type: image/png');
 
 $qrOutputInterface = new QRImageWithLogo($options, $qrcode->getMatrix());
 
 // dump the output, with an additional logo
+// the logo could also be supplied via the options, see the svgWithLogo example
 echo $qrOutputInterface->dump(null, __DIR__.'/octocat.png');
+
+exit;

examples/imageWithText.php

@@ -7,15 +7,96 @@
  * @author       Smiley <smiley@chillerlan.net>
  * @copyright    2019 Smiley
  * @license      MIT
+ *
+ * @noinspection PhpIllegalPsrClassPathInspection, PhpComposerExtensionStubsInspection
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
+use chillerlan\QRCode\Output\QRGdImage;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';
+/*
+ * Class definition
+ */
+
+class QRImageWithText extends QRGdImage{
+
+	/**
+	 * @inheritDoc
+	 */
+	public function dump(string $file = null, string $text = null):string{
+		// set returnResource to true to skip further processing for now
+		$this->options->returnResource = true;
+
+		// there's no need to save the result of dump() into $this->image here
+		parent::dump($file);
+
+		// render text output if a string is given
+		if($text !== null){
+			$this->addText($text);
+		}
+
+		$imageData = $this->dumpImage();
+
+		if($file !== null){
+			$this->saveToFile($imageData, $file);
+		}
+
+		if($this->options->imageBase64){
+			$imageData = $this->base64encode($imageData, 'image/'.$this->options->outputType);
+		}
+
+		return $imageData;
+	}
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function addText(string $text):void{
+		// save the qrcode image
+		$qrcode = $this->image;
+
+		// options things
+		$textSize  = 3; // see imagefontheight() and imagefontwidth()
+		$textBG    = [200, 200, 200];
+		$textColor = [50, 50, 50];
+
+		$bgWidth  = $this->length;
+		$bgHeight = $bgWidth + 20; // 20px extra space
+
+		// create a new image with additional space
+		$this->image = imagecreatetruecolor($bgWidth, $bgHeight);
+		$background  = imagecolorallocate($this->image, ...$textBG);
+
+		// allow transparency
+		if($this->options->imageTransparent && $this->options->outputType !== QRCode::OUTPUT_IMAGE_JPG){
+			imagecolortransparent($this->image, $background);
+		}
+
+		// fill the background
+		imagefilledrectangle($this->image, 0, 0, $bgWidth, $bgHeight, $background);
+
+		// copy over the qrcode
+		imagecopymerge($this->image, $qrcode, 0, 0, 0, 0, $this->length, $this->length, 100);
+		imagedestroy($qrcode);
+
+		$fontColor = imagecolorallocate($this->image, ...$textColor);
+		$w         = imagefontwidth($textSize);
+		$x         = round(($bgWidth - strlen($text) * $w) / 2);
+
+		// loop through the string and draw the letters
+		foreach(str_split($text) as $i => $chr){
+			imagechar($this->image, $textSize, (int)($i * $w + $x), $this->length, $chr, $fontColor);
+		}
+	}
+
+}
+
+
+/*
+ * Runtime
+ */
 
 $options = new QROptions([
 	'version'      => 7,
@@ -25,11 +106,14 @@ $options = new QROptions([
 ]);
 
 $qrcode = new QRCode($options);
-$qrcode->addByteSegment($data);
+$qrcode->addByteSegment('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
 header('Content-type: image/png');
 
 $qrOutputInterface = new QRImageWithText($options, $qrcode->getMatrix());
 
 // dump the output, with additional text
+// the text could also be supplied via the options, see the svgWithLogo example
 echo $qrOutputInterface->dump(null, 'example text');
+
+exit;

examples/imagick.php

@@ -6,16 +6,12 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
-
 $options = new QROptions([
 	'version'             => 7,
 	'outputType'          => QRCode::OUTPUT_IMAGICK,
@@ -56,9 +52,6 @@ $options = new QROptions([
 
 header('Content-type: image/png');
 
-echo (new QRCode($options))->render($data);
-
-
-
-
+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
+exit;

examples/qrcode-interactive.php

@@ -4,10 +4,10 @@
  * @author       Smiley <smiley@chillerlan.net>
  * @copyright    2017 Smiley
  * @license      MIT
+ *
+ * @noinspection PhpComposerExtensionStubsInspection
  */
 
-namespace chillerlan\QRCodePublic;
-
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\QRCode;
 use chillerlan\QRCode\QROptions;
@@ -86,11 +86,13 @@ try{
 	send_response(['qrcode' => $qrcode]);
 }
 // Pokémon exception handler
-catch(\Exception $e){
+catch(Throwable $e){
 	header('HTTP/1.1 500 Internal Server Error');
 	send_response(['error' => $e->getMessage()]);
 }
 
+exit;
+
 /**
  * @param array $response
  */

examples/reader.php

@@ -8,8 +8,6 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 
 require_once __DIR__.'/../vendor/autoload.php';
@@ -23,3 +21,5 @@ $options->readerIncreaseContrast = true;
 $result = (new QRCode($options))->readFromFile(__DIR__.'/../.github/images/example_image.png');
 
 var_dump($result);
+
+exit;

examples/svg.php

@@ -9,18 +9,12 @@
  * @noinspection PhpComposerExtensionStubsInspection
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
-use function gzencode, header;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
-$gzip = true;
-
 $options = new QROptions([
 	'version'             => 7,
 	'outputType'          => QRCode::OUTPUT_MARKUP_SVG,
@@ -59,14 +53,18 @@ $options = new QROptions([
 	]]></style>',
 ]);
 
-$qrcode = (new QRCode($options))->render($data);
+$qrcode = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
-header('Content-type: image/svg+xml');
+if(php_sapi_name() !== 'cli'){
+	header('Content-type: image/svg+xml');
 
-if($gzip){
-	header('Vary: Accept-Encoding');
-	header('Content-Encoding: gzip');
-	$qrcode = gzencode($qrcode, 9);
+	if(extension_loaded('zlib')){
+		header('Vary: Accept-Encoding');
+		header('Content-Encoding: gzip');
+		$qrcode = gzencode($qrcode, 9);
+	}
 }
 
 echo $qrcode;
+
+exit;

examples/svgWithLogo.php

@@ -8,19 +8,94 @@
  * @noinspection PhpComposerExtensionStubsInspection
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QRCodeException, QROptions};
-use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
-use function file_exists, gzencode, header, is_readable, max, min;
+use chillerlan\QRCode\Data\QRMatrix;
+use chillerlan\QRCode\Output\QRMarkupSVG;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
-$gzip = true;
+/*
+ * Class definition
+ */
+
+/**
+ * Create SVG QR Codes with embedded logos (that are also SVG)
+ */
+class QRSvgWithLogo extends QRMarkupSVG{
+
+	/**
+	 * @inheritDoc
+	 */
+	protected function paths():string{
+		$size = (int)ceil($this->moduleCount * $this->options->svgLogoScale);
+
+		// we're calling QRMatrix::setLogoSpace() manually, so QROptions::$addLogoSpace has no effect here
+		$this->matrix->setLogoSpace($size, $size);
+
+		$svg = parent::paths();
+		$svg .= $this->getLogo();
+
+		return $svg;
+	}
+
+	/**
+	 * returns a <g> element that contains the SVG logo and positions it properly within the QR Code
+	 *
+	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/g
+	 * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/transform
+	 */
+	protected function getLogo():string{
+		// @todo: customize the <g> element to your liking (css class, style...)
+		return sprintf(
+			'%5$s<g transform="translate(%1$s %1$s) scale(%2$s)" class="%3$s">%5$s	%4$s%5$s</g>',
+			($this->moduleCount - ($this->moduleCount * $this->options->svgLogoScale)) / 2,
+			$this->options->svgLogoScale,
+			$this->options->svgLogoCssClass,
+			file_get_contents($this->options->svgLogo),
+			$this->options->eol
+		);
+	}
+
+}
+
+
+/**
+ * augment the QROptions class
+ */
+class SVGWithLogoOptions extends QROptions{
+	// path to svg logo
+	protected string $svgLogo;
+	// logo scale in % of QR Code size, clamped to 10%-30%
+	protected float $svgLogoScale = 0.20;
+	// css class for the logo (defined in $svgDefs)
+	protected string $svgLogoCssClass = '';
+
+	// check logo
+	protected function set_svgLogo(string $svgLogo):void{
+
+		if(!file_exists($svgLogo) || !is_readable($svgLogo)){
+			throw new QRCodeException('invalid svg logo');
+		}
+
+		// @todo: validate svg
+
+		$this->svgLogo = $svgLogo;
+	}
+
+	// clamp logo scale
+	protected function set_svgLogoScale(float $svgLogoScale):void{
+		$this->svgLogoScale = max(0.05, min(0.3, $svgLogoScale));
+	}
+
+}
 
-$options_arr = [
+
+/*
+ * Runtime
+ */
+
+$options = new SVGWithLogoOptions([
 	// SVG logo options (see extended class below)
 	'svgLogo'             => __DIR__.'/github.svg', // logo from: https://github.com/simple-icons/simple-icons
 	'svgLogoScale'        => 0.25,
@@ -60,44 +135,21 @@ $options_arr = [
 		.dark{fill: url(#gradient);}
 		.light{fill: #eaeaea;}
 	]]></style>',
-];
-
-// augment the QROptions class
-$options = new class ($options_arr) extends QROptions{
-	// path to svg logo
-	protected string $svgLogo;
-	// logo scale in % of QR Code size, clamped to 10%-30%
-	protected float $svgLogoScale = 0.20;
-	// css class for the logo (defined in $svgDefs)
-	protected string $svgLogoCssClass = '';
+]);
 
-	// check logo
-	protected function set_svgLogo(string $svgLogo):void{
+$qrcode = (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
 
-		if(!file_exists($svgLogo) || !is_readable($svgLogo)){
-			throw new QRCodeException('invalid svg logo');
-		}
-
-		// @todo: validate svg
 
-		$this->svgLogo = $svgLogo;
-	}
+if(php_sapi_name() !== 'cli'){
+	header('Content-type: image/svg+xml');
 
-	// clamp logo scale
-	protected function set_svgLogoScale(float $svgLogoScale):void{
-		$this->svgLogoScale = max(0.05, min(0.3, $svgLogoScale));
+	if(extension_loaded('zlib')){
+		header('Vary: Accept-Encoding');
+		header('Content-Encoding: gzip');
+		$qrcode = gzencode($qrcode, 9);
 	}
-
-};
-
-$qrcode = (new QRCode($options))->render($data);
-
-header('Content-type: image/svg+xml');
-
-if($gzip){
-	header('Vary: Accept-Encoding');
-	header('Content-Encoding: gzip');
-	$qrcode = gzencode($qrcode, 9);
 }
 
 echo $qrcode;
+
+exit;

examples/text.php

@@ -8,8 +8,6 @@
  * @license      MIT
  */
 
-namespace chillerlan\QRCodeExamples;
-
 use chillerlan\QRCode\{QRCode, QROptions};
 use chillerlan\QRCode\Data\QRMatrix;
 use chillerlan\QRCode\Common\EccLevel;
@@ -17,8 +15,6 @@ use PHPUnit\Util\Color;
 
 require_once __DIR__.'/../vendor/autoload.php';
 
-$data = 'https://www.youtube.com/watch?v=DLzxrzFCyOs&t=43s';
-
 $options = new QROptions([
 	'version'      => 7,
 	'outputType'   => QRCode::OUTPUT_STRING_TEXT,
@@ -60,4 +56,6 @@ $options = new QROptions([
 	],
 ]);
 
-echo (new QRCode($options))->render($data);
+echo (new QRCode($options))->render('https://www.youtube.com/watch?v=dQw4w9WgXcQ');
+
+exit;