first stage of headline element handling refactoring

[tt-rss.git] / lib / phpqrcode / qrimage.php

<?php\r
/*\r
 * PHP QR Code encoder\r
 *\r
 * Image output of code using GD2\r
 *\r
 * PHP QR Code is distributed under LGPL 3\r
 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>\r
 *\r
 * This library is free software; you can redistribute it and/or\r
 * modify it under the terms of the GNU Lesser General Public\r
 * License as published by the Free Software Foundation; either\r
 * version 3 of the License, or any later version.\r
 *\r
 * This library is distributed in the hope that it will be useful,\r
 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
 * Lesser General Public License for more details.\r
 *\r
 * You should have received a copy of the GNU Lesser General Public\r
 * License along with this library; if not, write to the Free Software\r
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r
 */\r
 \r
    define('QR_IMAGE', true);\r
\r
    class QRimage {\r
    \r
        //----------------------------------------------------------------------\r
        public static function png($frame, $filename = false, $pixelPerPoint = 4, $outerFrame = 4,$saveandprint=FALSE) \r
        {\r
            $image = self::image($frame, $pixelPerPoint, $outerFrame);\r
            \r
            if ($filename === false) {\r
                Header("Content-type: image/png");\r
                ImagePng($image);\r
            } else {\r
                if($saveandprint===TRUE){\r
                    ImagePng($image, $filename);\r
                    header("Content-type: image/png");\r
                    ImagePng($image);\r
                }else{\r
                    ImagePng($image, $filename);\r
                }\r
            }\r
            \r
            ImageDestroy($image);\r
        }\r
    \r
        //----------------------------------------------------------------------\r
        public static function jpg($frame, $filename = false, $pixelPerPoint = 8, $outerFrame = 4, $q = 85) \r
        {\r
            $image = self::image($frame, $pixelPerPoint, $outerFrame);\r
            \r
            if ($filename === false) {\r
                Header("Content-type: image/jpeg");\r
                ImageJpeg($image, null, $q);\r
            } else {\r
                ImageJpeg($image, $filename, $q);            \r
            }\r
            \r
            ImageDestroy($image);\r
        }\r
    \r
        //----------------------------------------------------------------------\r
        private static function image($frame, $pixelPerPoint = 4, $outerFrame = 4) \r
        {\r
            $h = count($frame);\r
            $w = strlen($frame[0]);\r
            \r
            $imgW = $w + 2*$outerFrame;\r
            $imgH = $h + 2*$outerFrame;\r
            \r
            $base_image =ImageCreate($imgW, $imgH);\r
            \r
            $col[0] = ImageColorAllocate($base_image,255,255,255);\r
            $col[1] = ImageColorAllocate($base_image,0,0,0);\r
\r
            imagefill($base_image, 0, 0, $col[0]);\r
\r
            for($y=0; $y<$h; $y++) {\r
                for($x=0; $x<$w; $x++) {\r
                    if ($frame[$y][$x] == '1') {\r
                        ImageSetPixel($base_image,$x+$outerFrame,$y+$outerFrame,$col[1]); \r
                    }\r
                }\r
            }\r
            \r
            $target_image =ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);\r
            ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW, $imgH);\r
            ImageDestroy($base_image);\r
            \r
            return $target_image;\r
        }\r
    }