mirror of
https://github.com/chillerlan/php-qrcode.git
synced 2026-08-24 23:37:54 +00:00
smiley
116 lines
3.0 KiB
PHP
116 lines
3.0 KiB
PHP
<?php
|
|
/**
|
|
* Class QRImage
|
|
*
|
|
* @filesource QRImage.php
|
|
* @created 05.12.2015
|
|
* @package chillerlan\QRCode\Output
|
|
* @author Smiley <smiley@chillerlan.net>
|
|
* @copyright 2015 Smiley
|
|
* @license MIT
|
|
*/
|
|
|
|
namespace chillerlan\QRCode\Output;
|
|
|
|
use chillerlan\QRCode\QRCode;
|
|
|
|
/**
|
|
*
|
|
*/
|
|
class QRImage extends QROutputAbstract{
|
|
|
|
/**
|
|
* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
|
|
*/
|
|
protected $options;
|
|
|
|
/**
|
|
* @var \chillerlan\QRCode\Output\QRImageOptions $outputOptions
|
|
*/
|
|
public function __construct(QRImageOptions $outputOptions = null){
|
|
$this->options = $outputOptions;
|
|
|
|
if(!$this->options instanceof QRImageOptions){
|
|
$this->options = new QRImageOptions;
|
|
}
|
|
|
|
// clamp input (determine sane values!)
|
|
$this->options->pixelSize = max(1, min(25, (int)$this->options->pixelSize));
|
|
$this->options->marginSize = max(0, min(25, (int)$this->options->marginSize));
|
|
|
|
foreach(['fgRed', 'fgGreen', 'fgBlue', 'bgRed', 'bgGreen', 'bgBlue'] as $val){
|
|
$this->options->{$val} = max(0, min(255, (int)$this->options->{$val}));
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @return string
|
|
*/
|
|
public function dump(){
|
|
$length = $this->pixelCount * $this->options->pixelSize + $this->options->marginSize * 2;
|
|
$image = imagecreatetruecolor($length, $length);
|
|
$foreground = imagecolorallocate($image, $this->options->fgRed, $this->options->fgGreen, $this->options->fgBlue);
|
|
$background = imagecolorallocate($image, $this->options->bgRed, $this->options->bgGreen, $this->options->bgBlue);
|
|
|
|
if((bool)$this->options->transparent && $this->options->type !== QRCode::OUTPUT_IMAGE_JPG){
|
|
imagecolortransparent($image, $background);
|
|
}
|
|
|
|
imagefilledrectangle($image, 0, 0, $length, $length, $background);
|
|
|
|
foreach($this->matrix as $r => $row){
|
|
foreach($row as $c => $pixel){
|
|
if($pixel){
|
|
imagefilledrectangle($image,
|
|
$this->options->marginSize + $c * $this->options->pixelSize,
|
|
$this->options->marginSize + $r * $this->options->pixelSize,
|
|
$this->options->marginSize + ($c + 1) * $this->options->pixelSize - 1,
|
|
$this->options->marginSize + ($r + 1) * $this->options->pixelSize - 1,
|
|
$foreground);
|
|
}
|
|
}
|
|
}
|
|
|
|
ob_start();
|
|
|
|
switch($this->options->type){
|
|
case QRCode::OUTPUT_IMAGE_JPG:
|
|
imagejpeg(
|
|
$image,
|
|
$this->options->cachefile,
|
|
in_array($this->options->jpegQuality, range(0, 100), true)
|
|
? $this->options->jpegQuality
|
|
: 85
|
|
);
|
|
break;
|
|
case QRCode::OUTPUT_IMAGE_GIF: /** Actually, it's pronounced "DJIFF". *hides* */
|
|
imagegif(
|
|
$image,
|
|
$this->options->cachefile
|
|
);
|
|
break;
|
|
case QRCode::OUTPUT_IMAGE_PNG:
|
|
default:
|
|
imagepng(
|
|
$image,
|
|
$this->options->cachefile,
|
|
in_array($this->options->pngCompression, range(-1, 9), true)
|
|
? $this->options->pngCompression
|
|
: -1
|
|
);
|
|
}
|
|
|
|
$imageData = ob_get_contents();
|
|
imagedestroy($image);
|
|
ob_end_clean();
|
|
|
|
if((bool)$this->options->base64){
|
|
$imageData = 'data:image/'.$this->options->type.';base64,'.base64_encode($imageData);
|
|
}
|
|
|
|
return $imageData;
|
|
}
|
|
|
|
}
|