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:octocat: cleanup

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codemasher
2020-11-18 19:10:39 +01:00
parent 0776006400
commit 934f18c404
1 changed files with 26 additions and 31 deletions
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examples/QRImageWithText.php
+26 -31
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@@ -3,7 +3,8 @@
* Class QRImageWithText
*
* example for additional text
* @link https://github.com/chillerlan/php-qrcode/issues/35
*
* @link https://github.com/chillerlan/php-qrcode/issues/35
*
* @filesource QRImageWithText.php
* @created 22.06.2019
@@ -11,12 +12,17 @@
* @author smiley <smiley@chillerlan.net>
* @copyright 2019 smiley
* @license MIT
*
* @noinspection PhpComposerExtensionStubsInspection
*/
namespace chillerlan\QRCodeExamples;
use chillerlan\QRCode\Output\QRImage;
use function base64_encode, imagechar, imagecolorallocate, imagecolortransparent, imagecopymerge, imagecreatetruecolor,
imagedestroy, imagefilledrectangle, imagefontwidth, in_array, round, str_split, strlen;
class QRImageWithText extends QRImage{
/**
@@ -26,22 +32,11 @@ class QRImageWithText extends QRImage{
* @return string
*/
public function dump(string $file = null, string $text = null):string{
$file ??= $this->options->cachefile;
// set returnResource to true to skip further processing for now
$this->options->returnResource = true;
$this->image = \imagecreatetruecolor($this->length, $this->length);
$background = \imagecolorallocate($this->image, ...$this->options->imageTransparencyBG);
if((bool)$this->options->imageTransparent && \in_array($this->options->outputType, $this::TRANSPARENCY_TYPES, true)){
\imagecolortransparent($this->image, $background);
}
\imagefilledrectangle($this->image, 0, 0, $this->length, $this->length, $background);
foreach($this->matrix->matrix() as $y => $row){
foreach($row as $x => $M_TYPE){
$this->setPixel($x, $y, $this->moduleValues[$M_TYPE]);
}
}
// 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){
@@ -54,8 +49,8 @@ class QRImageWithText extends QRImage{
$this->saveToFile($imageData, $file);
}
if((bool)$this->options->imageBase64){
$imageData = 'data:image/'.$this->options->outputType.';base64,'.\base64_encode($imageData);
if($this->options->imageBase64){
$imageData = 'data:image/'.$this->options->outputType.';base64,'.base64_encode($imageData);
}
return $imageData;
@@ -69,7 +64,7 @@ class QRImageWithText extends QRImage{
$qrcode = $this->image;
// options things
$textSize = 3; // see imagefontheight() and imagefontwidth()
$textSize = 3; // see imagefontheight() and imagefontwidth()
$textBG = [200, 200, 200];
$textColor = [50, 50, 50];
@@ -77,28 +72,28 @@ class QRImageWithText extends QRImage{
$bgHeight = $bgWidth + 20; // 20px extra space
// create a new image with additional space
$this->image = \imagecreatetruecolor($bgWidth, $bgHeight);
$background = \imagecolorallocate($this->image, ...$textBG);
$this->image = imagecreatetruecolor($bgWidth, $bgHeight);
$background = imagecolorallocate($this->image, ...$textBG);
// allow transparency
if((bool)$this->options->imageTransparent && \in_array($this->options->outputType, $this::TRANSPARENCY_TYPES, true)){
\imagecolortransparent($this->image, $background);
if($this->options->imageTransparent && in_array($this->options->outputType, $this::TRANSPARENCY_TYPES, true)){
imagecolortransparent($this->image, $background);
}
// fill the background
\imagefilledrectangle($this->image, 0, 0, $bgWidth, $bgHeight, $background);
imagefilledrectangle($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);
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);
$fontColor = imagecolorallocate($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, $fontColor);
foreach(str_split($text) as $i => $chr){
imagechar($this->image, $textSize, (int)($i * $w + $x), $this->length, $chr, $fontColor);
}
}