diff options
| author | friendica <info@friendica.com> | 2014-01-07 20:36:16 -0800 |
|---|---|---|
| committer | friendica <info@friendica.com> | 2014-01-07 20:36:16 -0800 |
| commit | 8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309 (patch) | |
| tree | 52d4b15d798933c068a8eb12374ac192db8fbb42 /library/phpqrcode/qrimage.php | |
| parent | 401183780540812929e35a59348b7f2e347d4b8f (diff) | |
| download | volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.tar.gz volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.tar.bz2 volse-hubzilla-8b93881ce7ab4e0a8b0c8426da1ddfeed19c2309.zip | |
qr code support
Diffstat (limited to 'library/phpqrcode/qrimage.php')
| -rw-r--r-- | library/phpqrcode/qrimage.php | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/library/phpqrcode/qrimage.php b/library/phpqrcode/qrimage.php new file mode 100644 index 000000000..10b0a6e1b --- /dev/null +++ b/library/phpqrcode/qrimage.php @@ -0,0 +1,95 @@ +<?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)
+ {
+ $image = self::image($frame, $pixelPerPoint, $outerFrame);
+
+ if ($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)
+ {
+ $h = count($frame);
+ $w = strlen($frame[0]);
+
+ $imgW = $w + 2*$outerFrame;
+ $imgH = $h + 2*$outerFrame;
+
+ $base_image =ImageCreate($imgW, $imgH);
+
+ $col[0] = ImageColorAllocate($base_image,255,255,255);
+ $col[1] = ImageColorAllocate($base_image,0,0,0);
+
+ 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;
+ }
+ }
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