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Switching to using phpqrcode for QR code generation, as Google is due to shut down it's QR code generation API.

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This commit is contained in:
Tom Slominski
2015-02-24 22:41:58 +00:00
parent fd2b74a5f5
commit 4683e2bd3d
17 changed files with 4972 additions and 4 deletions
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public/phpqrcode/qrsvg.php Executable file
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<?php
/*
* PHP QR Code encoder
*
* SVG output support
*
* Based on libqrencode C library distributed under LGPL 2.1
* Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi <fukuchi@megaui.net>
*
* PHP QR Code is distributed under LGPL 3
* Copyright (C) 2010-2013 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
*/
/** @addtogroup OutputGroup */
/** @{ */
class QRsvgOutput extends QRarea {
public function __construct($source_tab)
{
parent::__construct($source_tab);
}
//----------------------------------------------------------------------
public function mapX($px)
{
return $px;
}
//----------------------------------------------------------------------
public function mapY($py)
{
return $py;
}
//----------------------------------------------------------------------
public function getRawSvg()
{
$lib = array();
$svg = array();
$aggregate_paths = array();
foreach ($this->paths as $path) {
switch ($path[0]) {
case QR_AREA_PATH:
$pNum = 0;
foreach($path[1] as $pathDetails) {
$px = array_shift($pathDetails);
$py = array_shift($pathDetails);
$rle_steps = array_shift($pathDetails);
$aggregate_add = 'M'.$px.','.$py.' ';
while(count($rle_steps) > 0) {
$delta = 1;
$operator = array_shift($rle_steps);
if (($operator != 'R') && ($operator != 'L') && ($operator != 'T') && ($operator != 'B')) {
$delta = (int)$operator;
$operator = array_shift($rle_steps);
}
if ($operator == 'R') $aggregate_add .= 'h'.$delta;
if ($operator == 'L') $aggregate_add .= 'h-'.$delta;
if ($operator == 'T') $aggregate_add .= 'v-'.$delta;
if ($operator == 'B') $aggregate_add .= 'v'.$delta;
}
$aggregate_paths[] = $aggregate_add;
$pNum++;
}
break;
case QR_AREA_POINT:
$symb = array_shift($path);
while(count($path) > 0) {
$px = array_shift($path);
$py = array_shift($path);
$aggregate_paths[] = 'M'.$px.','.$py.' v1h1v-1h-1';
}
break;
case QR_AREA_RECT:
$symb = array_shift($path);
while(count($path) > 0) {
$px = array_shift($path);
$py = array_shift($path);
$ex = array_shift($path);
$ey = array_shift($path);
$w = $ex-$px;
$h = $ey-$py;
$aggregate_paths[] = 'M'.$px.','.$py.' h'.$w.'v'.$h.'h-'.$w.'v-'.$h;
}
break;
case QR_AREA_LSHAPE:
$symb = array_shift($path);
$l_shapes[0] = 'm1,0h1v2h-2v-1h1z';
$l_shapes[1] = 'h1v1h1v1h-2z';
$l_shapes[2] = 'h2v2h-1v-1h-1z';
$l_shapes[3] = 'h2v1h-1v1h-1z';
while(count($path) > 0) {
$px = array_shift($path);
$py = array_shift($path);
$mode = (int)array_shift($path);
$aggregate_paths[] = 'M'.$px.','.$py.' '.$l_shapes[$mode];
}
break;
case QR_AREA_TRACKER:
if (!isset($lib['tracker'])) {
$lib['tracker'] = '<symbol id="tracker"><path d="m 0 7 0 7 7 0 0 -7 -7 0 z m 1 1 5 0 0 5 -5 0 0 -5 z m 1 1 0 3 3 0 0 -3 -3 0 z" style="fill:#000000;stroke:none"></path></symbol>';
}
$symb = array_shift($path);
$px = array_shift($path);
$py = array_shift($path);
$svg[] = '<use x="'.$px.'" y="'.($py-7).'" xlink:href="#tracker"></use>';
break;
}
}
$svg[] = '<path d="'.join(' ', $aggregate_paths).'" style="fill:#000000;stroke:none" ></path>';
return join("\n", $lib)."\n".join("\n", $svg);
}
}
/** @} */