95 lines
3.5 KiB
PHP
95 lines
3.5 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_IMAGE', true);
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class QRimage {
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//----------------------------------------------------------------------
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public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE)
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{
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$image = self::image($frame, $pixelPerPoint, $outerFrame);
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if ($filename === false) {
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Header("Content-type: image/png");
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ImagePng($image);
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} else {
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if($saveandprint===TRUE){
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ImagePng($image, $filename);
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header("Content-type: image/png");
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ImagePng($image);
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}else{
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ImagePng($image, $filename);
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}
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}
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ImageDestroy($image);
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}
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//----------------------------------------------------------------------
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public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85)
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{
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$image = self::image($frame, $pixelPerPoint, $outerFrame);
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if ($filename === false) {
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Header("Content-type: image/jpeg");
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ImageJpeg($image, null, $q);
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} else {
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ImageJpeg($image, $filename, $q);
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}
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ImageDestroy($image);
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}
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//----------------------------------------------------------------------
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private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4)
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{
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$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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$base_image =ImageCreate($imgW, $imgH);
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$col[0] = ImageColorAllocate($base_image,255,255,255);
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$col[1] = ImageColorAllocate($base_image,0,0,0);
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imagefill($base_image, 0, 0, $col[0]);
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for($y=0; $y<$h; $y++) {
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for($x=0; $x<$w; $x++) {
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if ($frame[$y][$x] == '1') {
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ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]);
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}
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}
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}
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$target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
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ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);
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ImageDestroy($base_image);
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return $target_image;
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}
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}
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