mirror of
https://github.com/chillerlan/php-qrcode.git
synced 2026-08-19 23:30:13 +00:00
smiley
110 lines
3.4 KiB
PHP
110 lines
3.4 KiB
PHP
<?php
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/**
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* Class QRImage
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*
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* @filesource QRImage.php
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* @created 05.12.2015
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* @package chillerlan\QRCode\Output
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* @author Smiley <smiley@chillerlan.net>
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* @copyright 2015 Smiley
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* @license MIT
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*/
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namespace chillerlan\QRCode\Output;
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use chillerlan\QRCode\QRCode;
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/**
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*
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*/
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class QRImage extends QROutputBase implements QROutputInterface{
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/**
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* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
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*/
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protected $options;
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/**
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* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
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*/
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public function __construct(QRImageOptions $outputOptions = null){
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$this->options = $outputOptions;
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if(!$this->options instanceof QRImageOptions){
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$this->options = new QRImageOptions;
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}
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// clamp input (determine sane values!)
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$this->options->pixelSize = max(1, min(25, (int)$this->options->pixelSize));
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$this->options->marginSize = max(0, min(25, (int)$this->options->marginSize));
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foreach(['fgRed', 'fgGreen', 'fgBlue', 'bgRed', 'bgGreen', 'bgBlue',] as $val){
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$this->options->{$val} = max(0, min(255, (int)$this->options->{$val}));
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}
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if(!in_array($this->options->type, [QRCode::OUTPUT_IMAGE_PNG, QRCode::OUTPUT_IMAGE_JPG, QRCode::OUTPUT_IMAGE_GIF])){
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$this->options->type = QRCode::OUTPUT_IMAGE_PNG;
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}
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$this->options->transparent = (bool)$this->options->transparent && $this->options->type !== QRCode::OUTPUT_IMAGE_JPG;
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if(!in_array($this->options->pngCompression, range(-1, 9), true)){
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$this->options->pngCompression = -1;
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}
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if(!in_array($this->options->jpegQuality, range(0, 100), true)){
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$this->options->jpegQuality = 85;
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}
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}
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/**
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* @return mixed
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* @throws \chillerlan\QRCode\Output\QRCodeOutputException
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*/
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public function dump(){
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$length = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
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$image = imagecreatetruecolor($length, $length);
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$foreground = imagecolorallocate($image, $this->options->fgRed, $this->options->fgGreen, $this->options->fgBlue);
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$background = imagecolorallocate($image, $this->options->bgRed, $this->options->bgGreen, $this->options->bgBlue);
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if($this->options->transparent){
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imagecolortransparent($image, $background);
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}
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imagefilledrectangle($image, 0, 0, $length, $length, $background);
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for($r = 0; $r < $this->pixelCount; $r++){
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for($c = 0; $c < $this->pixelCount; $c++){
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if($this->matrix[$r][$c]){
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imagefilledrectangle($image,
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$this->options->marginSize + $c * $this->options->pixelSize,
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$this->options->marginSize + $r * $this->options->pixelSize,
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$this->options->marginSize + ($c + 1) * $this->options->pixelSize - 1,
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$this->options->marginSize + ($r + 1) * $this->options->pixelSize - 1,
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$foreground);
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}
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}
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}
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ob_start();
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switch($this->options->type){
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case QRCode::OUTPUT_IMAGE_PNG: imagepng ($image, $this->options->cachefile, (int)$this->options->pngCompression); break;
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case QRCode::OUTPUT_IMAGE_JPG: imagejpeg($image, $this->options->cachefile, (int)$this->options->jpegQuality); break;
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case QRCode::OUTPUT_IMAGE_GIF: imagegif ($image, $this->options->cachefile); break; /** Actually, it's pronounced "DJIFF". *hides* */
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}
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$imageData = ob_get_contents();
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imagedestroy($image);
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ob_end_clean();
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if((bool)$this->options->base64){
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$imageData = 'data:image/'.$this->options->type.';base64,'.base64_encode($imageData);
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}
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return $imageData;
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}
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}
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