qrcode.chapril.org-libreqr/phpqrcode/qrimage.php
Miraty 8a2a605f45 Ajout de la recherche OpenSearch
Possibilité de générer un code QR depuis la barre de recherche, en
ajoutant le générateur comme moteur de recherche.
2019-03-17 16:03:43 +01:00

108 lines
4.0 KiB
PHP
Executable File

<?php
/*
* PHP QR Code encoder
*
* Image output of code using GD2
*
* PHP QR Code is distributed under LGPL 3
* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
define('QR_IMAGE', true);
class QRimage {
//----------------------------------------------------------------------
public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE, $back_color, $fore_color)
{
$image = self::image($frame, $pixelPerPoint, $outerFrame, $back_color, $fore_color);
if ($filename === false) {
Header("Content-type: image/png");
ImagePng($image);
} else {
if($saveandprint===TRUE){
ImagePng($image, $filename);
header("Content-type: image/png");
ImagePng($image);
}else{
ImagePng($image, $filename);
}
}
ImageDestroy($image);
}
//----------------------------------------------------------------------
public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85)
{
$image = self::image($frame, $pixelPerPoint, $outerFrame);
if ($filename === false) {
Header("Content-type: image/jpeg");
ImageJpeg($image, null, $q);
} else {
ImageJpeg($image, $filename, $q);
}
ImageDestroy($image);
}
//----------------------------------------------------------------------
private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4, $back_color = 0xFFFFFF, $fore_color = 0x000000)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2*$outerFrame;
$imgH = $h + 2*$outerFrame;
$base_image =ImageCreate($imgW, $imgH);
// convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255)
$r1 = round((($fore_color & 0xFF0000) >> 16), 5);
$g1 = round((($fore_color & 0x00FF00) >> 8), 5);
$b1 = round(($fore_color & 0x0000FF), 5);
// convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255)
$r2 = round((($back_color & 0xFF0000) >> 16), 5);
$g2 = round((($back_color & 0x00FF00) >> 8), 5);
$b2 = round(($back_color & 0x0000FF), 5);
$col[0] = ImageColorAllocate($base_image, $r2, $g2, $b2);
$col[1] = ImageColorAllocate($base_image, $r1, $g1, $b1);
imagefill($base_image, 0, 0, $col[0]);
for($y=0; $y<$h; $y++) {
for($x=0; $x<$w; $x++) {
if ($frame[$y][$x] == '1') {
ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]);
}
}
}
$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
ImageDestroy($base_image);
return $target_image;
}
}