215 lines
9.1 KiB
PHP
215 lines
9.1 KiB
PHP
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<?php
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/*
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* PHP QR Code encoder
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*
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* Image output of code using GD2
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*
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* PHP QR Code is distributed under LGPL 3
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* Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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define('QR_VECT', true);
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class QRvect {
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//----------------------------------------------------------------------
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public static function eps($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE, $back_color = 0xFFFFFF, $fore_color = 0x000000, $cmyk = false)
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{
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$vect = self::vectEPS($frame, $pixelPerPoint, $outerFrame, $back_color, $fore_color, $cmyk);
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if ($filename === false) {
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header("Content-Type: application/postscript");
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header('Content-Disposition: filename="qrcode.eps"');
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echo $vect;
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} else {
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if($saveandprint===TRUE){
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QRtools::save($vect, $filename);
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header("Content-Type: application/postscript");
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header('Content-Disposition: filename="qrcode.eps"');
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echo $vect;
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}else{
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QRtools::save($vect, $filename);
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}
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}
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}
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//----------------------------------------------------------------------
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private static function vectEPS($frame, $pixelPerPoint = 4, $outerFrame = 4, $back_color = 0xFFFFFF, $fore_color = 0x000000, $cmyk = false)
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{
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$h = count($frame);
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$w = strlen($frame[0]);
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$imgW = $w + 2*$outerFrame;
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$imgH = $h + 2*$outerFrame;
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if ($cmyk)
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{
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// convert color value into decimal eps format
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$c = round((($fore_color & 0xFF000000) >> 16) / 255, 5);
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$m = round((($fore_color & 0x00FF0000) >> 16) / 255, 5);
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$y = round((($fore_color & 0x0000FF00) >> 8) / 255, 5);
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$k = round(($fore_color & 0x000000FF) / 255, 5);
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$fore_color_string = $c.' '.$m.' '.$y.' '.$k.' setcmykcolor'."\n";
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// convert color value into decimal eps format
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$c = round((($back_color & 0xFF000000) >> 16) / 255, 5);
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$m = round((($back_color & 0x00FF0000) >> 16) / 255, 5);
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$y = round((($back_color & 0x0000FF00) >> 8) / 255, 5);
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$k = round(($back_color & 0x000000FF) / 255, 5);
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$back_color_string = $c.' '.$m.' '.$y.' '.$k.' setcmykcolor'."\n";
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}
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else
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{
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// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
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$r = round((($fore_color & 0xFF0000) >> 16) / 255, 5);
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$b = round((($fore_color & 0x00FF00) >> 8) / 255, 5);
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$g = round(($fore_color & 0x0000FF) / 255, 5);
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$fore_color_string = $r.' '.$b.' '.$g.' setrgbcolor'."\n";
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// convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
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$r = round((($back_color & 0xFF0000) >> 16) / 255, 5);
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$b = round((($back_color & 0x00FF00) >> 8) / 255, 5);
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$g = round(($back_color & 0x0000FF) / 255, 5);
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$back_color_string = $r.' '.$b.' '.$g.' setrgbcolor'."\n";
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}
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$output =
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'%!PS-Adobe EPSF-3.0'."\n".
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'%%Creator: PHPQrcodeLib'."\n".
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'%%Title: QRcode'."\n".
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'%%CreationDate: '.date('Y-m-d')."\n".
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'%%DocumentData: Clean7Bit'."\n".
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'%%LanguageLevel: 2'."\n".
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'%%Pages: 1'."\n".
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'%%BoundingBox: 0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint."\n";
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// set the scale
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$output .= $pixelPerPoint.' '.$pixelPerPoint.' scale'."\n";
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// position the center of the coordinate system
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$output .= $outerFrame.' '.$outerFrame.' translate'."\n";
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// redefine the 'rectfill' operator to shorten the syntax
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$output .= '/F { rectfill } def'."\n";
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// set the symbol color
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$output .= $back_color_string;
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$output .= '-'.$outerFrame.' -'.$outerFrame.' '.($w + 2*$outerFrame).' '.($h + 2*$outerFrame).' F'."\n";
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// set the symbol color
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$output .= $fore_color_string;
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// Convert the matrix into pixels
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for($i=0; $i<$h; $i++) {
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for($j=0; $j<$w; $j++) {
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if( $frame[$i][$j] == '1') {
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$y = $h - 1 - $i;
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$x = $j;
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$output .= $x.' '.$y.' 1 1 F'."\n";
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}
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}
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}
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$output .='%%EOF';
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return $output;
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}
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//----------------------------------------------------------------------
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public static function svg($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE, $back_color, $fore_color)
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{
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$vect = self::vectSVG($frame, $pixelPerPoint, $outerFrame, $back_color, $fore_color);
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if ($filename === false) {
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header("Content-Type: image/svg+xml");
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//header('Content-Disposition: attachment, filename="qrcode.svg"');
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echo $vect;
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} else {
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if($saveandprint===TRUE){
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QRtools::save($vect, $filename);
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header("Content-Type: image/svg+xml");
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//header('Content-Disposition: filename="'.$filename.'"');
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echo $vect;
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}else{
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QRtools::save($vect, $filename);
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}
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}
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}
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//----------------------------------------------------------------------
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private static function vectSVG($frame, $pixelPerPoint = 4, $outerFrame = 4, $back_color = 0xFFFFFF, $fore_color = 0x000000)
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{
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$h = count($frame);
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$w = strlen($frame[0]);
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$imgW = $w + 2*$outerFrame;
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$imgH = $h + 2*$outerFrame;
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$output =
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'<?xml version="1.0" encoding="utf-8"?>'."\n".
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'<svg version="1.1" baseProfile="full" width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" viewBox="0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint.'"
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xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events">'."\n".
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'<desc></desc>'."\n";
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$output =
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'<?xml version="1.0" encoding="utf-8"?>'."\n".
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'<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">'."\n".
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'<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 * $pixelPerPoint.'">'."\n".
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'<desc></desc>'."\n";
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if(!empty($back_color)) {
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$backgroundcolor = str_pad(dechex($back_color), 6, "0", STR_PAD_LEFT);
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$output .= '<rect width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" fill="#'.$backgroundcolor.'" cx="0" cy="0" />'."\n";
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}
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$output .=
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'<defs>'."\n".
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'<rect id="p" width="'.$pixelPerPoint.'" height="'.$pixelPerPoint.'" />'."\n".
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'</defs>'."\n".
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'<g fill="#'.str_pad(dechex($fore_color), 6, "0", STR_PAD_LEFT).'">'."\n";
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// Convert the matrix into pixels
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for($i=0; $i<$h; $i++) {
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for($j=0; $j<$w; $j++) {
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if( $frame[$i][$j] == '1') {
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$y = ($i + $outerFrame) * $pixelPerPoint;
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$x = ($j + $outerFrame) * $pixelPerPoint;
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$output .= '<use x="'.$x.'" y="'.$y.'" xlink:href="#p" />'."\n";
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}
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}
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}
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$output .=
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'</g>'."\n".
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'</svg>';
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return $output;
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}
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}
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