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qrcode.chapril.org/phpqrcode/qrvect.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

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<?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_VECT', true);
class QRvect {
//----------------------------------------------------------------------
public static function eps($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE, $back_color = 0xFFFFFF, $fore_color = 0x000000, $cmyk = false)
{
$vect = self::vectEPS($frame, $pixelPerPoint, $outerFrame, $back_color, $fore_color, $cmyk);
if ($filename === false) {
header("Content-Type: application/postscript");
header('Content-Disposition: filename="qrcode.eps"');
echo $vect;
} else {
if($saveandprint===TRUE){
QRtools::save($vect, $filename);
header("Content-Type: application/postscript");
header('Content-Disposition: filename="qrcode.eps"');
echo $vect;
}else{
QRtools::save($vect, $filename);
}
}
}
//----------------------------------------------------------------------
private static function vectEPS($frame, $pixelPerPoint = 4, $outerFrame = 4, $back_color = 0xFFFFFF, $fore_color = 0x000000, $cmyk = false)
{
$h = count($frame);
$w = strlen($frame[0]);
$imgW = $w + 2*$outerFrame;
$imgH = $h + 2*$outerFrame;
if ($cmyk)
{
// convert color value into decimal eps format
$c = round((($fore_color & 0xFF000000) >> 16) / 255, 5);
$m = round((($fore_color & 0x00FF0000) >> 16) / 255, 5);
$y = round((($fore_color & 0x0000FF00) >> 8) / 255, 5);
$k = round(($fore_color & 0x000000FF) / 255, 5);
$fore_color_string = $c.' '.$m.' '.$y.' '.$k.' setcmykcolor'."\n";
// convert color value into decimal eps format
$c = round((($back_color & 0xFF000000) >> 16) / 255, 5);
$m = round((($back_color & 0x00FF0000) >> 16) / 255, 5);
$y = round((($back_color & 0x0000FF00) >> 8) / 255, 5);
$k = round(($back_color & 0x000000FF) / 255, 5);
$back_color_string = $c.' '.$m.' '.$y.' '.$k.' setcmykcolor'."\n";
}
else
{
// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
$r = round((($fore_color & 0xFF0000) >> 16) / 255, 5);
$b = round((($fore_color & 0x00FF00) >> 8) / 255, 5);
$g = round(($fore_color & 0x0000FF) / 255, 5);
$fore_color_string = $r.' '.$b.' '.$g.' setrgbcolor'."\n";
// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
$r = round((($back_color & 0xFF0000) >> 16) / 255, 5);
$b = round((($back_color & 0x00FF00) >> 8) / 255, 5);
$g = round(($back_color & 0x0000FF) / 255, 5);
$back_color_string = $r.' '.$b.' '.$g.' setrgbcolor'."\n";
}
$output =
'%!PS-Adobe EPSF-3.0'."\n".
'%%Creator: PHPQrcodeLib'."\n".
'%%Title: QRcode'."\n".
'%%CreationDate: '.date('Y-m-d')."\n".
'%%DocumentData: Clean7Bit'."\n".
'%%LanguageLevel: 2'."\n".
'%%Pages: 1'."\n".
'%%BoundingBox: 0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint."\n";
// set the scale
$output .= $pixelPerPoint.' '.$pixelPerPoint.' scale'."\n";
// position the center of the coordinate system
$output .= $outerFrame.' '.$outerFrame.' translate'."\n";
// redefine the 'rectfill' operator to shorten the syntax
$output .= '/F { rectfill } def'."\n";
// set the symbol color
$output .= $back_color_string;
$output .= '-'.$outerFrame.' -'.$outerFrame.' '.($w + 2*$outerFrame).' '.($h + 2*$outerFrame).' F'."\n";
// set the symbol color
$output .= $fore_color_string;
// Convert the matrix into pixels
for($i=0; $i<$h; $i++) {
for($j=0; $j<$w; $j++) {
if( $frame[$i][$j] == '1') {
$y = $h - 1 - $i;
$x = $j;
$output .= $x.' '.$y.' 1 1 F'."\n";
}
}
}
$output .='%%EOF';
return $output;
}
//----------------------------------------------------------------------
public static function svg($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE, $back_color, $fore_color)
{
$vect = self::vectSVG($frame, $pixelPerPoint, $outerFrame, $back_color, $fore_color);
if ($filename === false) {
header("Content-Type: image/svg+xml");
//header('Content-Disposition: attachment, filename="qrcode.svg"');
echo $vect;
} else {
if($saveandprint===TRUE){
QRtools::save($vect, $filename);
header("Content-Type: image/svg+xml");
//header('Content-Disposition: filename="'.$filename.'"');
echo $vect;
}else{
QRtools::save($vect, $filename);
}
}
}
//----------------------------------------------------------------------
private static function vectSVG($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;
$output =
'<?xml version="1.0" encoding="utf-8"?>'."\n".
'<svg version="1.1" baseProfile="full" width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" viewBox="0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint.'"
xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events">'."\n".
'<desc></desc>'."\n";
$output =
'<?xml version="1.0" encoding="utf-8"?>'."\n".
'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">'."\n".
'<svg xmlns="http://www.w3.org/2000/svg" xml:space="preserve" xmlns:xlink="http://www.w3.org/1999/xlink" width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" viewBox="0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint.'">'."\n".
'<desc></desc>'."\n";
if(!empty($back_color)) {
$backgroundcolor = str_pad(dechex($back_color), 6, "0", STR_PAD_LEFT);
$output .= '<rect width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" fill="#'.$backgroundcolor.'" cx="0" cy="0" />'."\n";
}
$output .=
'<defs>'."\n".
'<rect id="p" width="'.$pixelPerPoint.'" height="'.$pixelPerPoint.'" />'."\n".
'</defs>'."\n".
'<g fill="#'.str_pad(dechex($fore_color), 6, "0", STR_PAD_LEFT).'">'."\n";
// Convert the matrix into pixels
for($i=0; $i<$h; $i++) {
for($j=0; $j<$w; $j++) {
if( $frame[$i][$j] == '1') {
$y = ($i + $outerFrame) * $pixelPerPoint;
$x = ($j + $outerFrame) * $pixelPerPoint;
$output .= '<use x="'.$x.'" y="'.$y.'" xlink:href="#p" />'."\n";
}
}
}
$output .=
'</g>'."\n".
'</svg>';
return $output;
}
}
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