GD-MapTileGenerator/example.php at master · NC22/GD-MapTileGenerator · GitHub

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<?php
error_reporting(E_ALL | E_STRICT);

// An example with include tile map by using Leaflet

class Example {

    private $mode;
    private $root;
    private $mapFile = 'test';
    private $mapDir = 'tiles/'; // back slash at the end is important

    // information about current or old uploaded map
    private $mapZoomMax = false;
    private $mapExist = false;

    private $log = '';

    public function __construct() {
        $this->root = dirname(__FILE__) . '/';
        require_once($this->root . 'GDMapTileGenerator.class.php');

        // restore tiles info - I usually save info about map zoom in database

        $mapDirAbs = $this->root . $this->mapDir;
        if (is_dir($mapDirAbs)) {
            $zoomMax = 0;
            while(is_dir($mapDirAbs . $zoomMax)) $zoomMax++;
            if ($zoomMax) $zoomMax--;

            $this->mapZoomMax = $zoomMax;
            $this->mapExist = true;
        }
    }

    public function log($err) {
        $this->log .= $err . '<br>';
    }

    public static function deleteDir($dirPath, $removeDir = true)
    {
        if (!is_dir($dirPath))
            return;
        $files = glob($dirPath . '*', GLOB_MARK);
        foreach ($files as $file) {
            if (is_dir($file))
                self::deleteDir($file);
            else
                unlink($file);
        }

        if ($removeDir and is_dir($dirPath)) rmdir($dirPath);
    }

    public function exec() {

        $this->mode = empty($_GET['mode']) ? 'default' : $_GET['mode'];
        if ($this->mode == 'upload') {

            if (!empty($_POST['image-upload'])) {

                if (empty($_FILES['image-file']['tmp_name']) or !is_uploaded_file($_FILES['image-file']['tmp_name'])) $this->show('Upload file fail');

                $extension = strtolower(substr($_FILES['image-file']['name'], 1 + strrpos($_FILES['image-file']['name'], ".")));

                $this->deleteDir($this->root . $this->mapDir, false);

                $file = $this->root . $this->mapFile . '.' . $extension;

                if (file_exists($file)) unlink($file);

                if (!move_uploaded_file($_FILES['image-file']['tmp_name'], $file)) $this->show('Move uploaded file fail');

                chmod($file, 0664);

                $generator = new Kelly\GDMapTileGenerator($file, false, true);
                $generator->set('callback', array($this, 'log')); //  '\Kelly\Tool::log'
                $generator->set('ext', 'png');
                $generator->set('storage', $this->mapDir);

                ini_set("memory_limit", "-1");
                ini_set("max_execution_time", 0);

                if ($generator->exec()) {

                    $this->mapZoomMax = $generator->get('maxZoom');
                    if (!$this->mapZoomMax) $this->mapZoomMax = 2;

                    $this->mapExist = true;

                } else $this->show('Tile map generation fail');
            }

        }

        $this->show();
    }


    public function show($err = 'No errors') {

        $showMap = false;
        if ($this->mode == 'show' and $err == 'No errors' and $this->mapZoomMax !== false) {
            $showMap = true;
        }
    ?>
    <!DOCTYPE html>
    <html lang="en">
        <head>
            <title>GDMapTileGenerator example</title>

            <?php if ($showMap) { ?>
                <link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.2/dist/leaflet.css" />
                <script src="https://unpkg.com/leaflet@1.0.2/dist/leaflet.js"></script>
            <?php } ?>

            <meta charset="UTF-8">

            <style>
                body, html {
                    padding : 0px;
                    margin : 0px;
                    width : 100%;
                    height : 100%;
                }

                form {
                    padding : 24px;
                }

                body {
                    background : #e2e2e2;
                }

                #map-container {
                    margin-top : 0px;
                }

                .notice {
                    display : block;
                    background : rgba(242, 114, 114, 0.8);
                    height : 32px;
                    line-height : 32px;
                    border-radius : 6px;
                    color : #fff;
                    padding-left : 12px;
                }
            </style>
        </head>

        <body>

            <?php if (!$showMap) { ?>

                <form action="example.php?mode=upload" method="post" enctype='multipart/form-data'>
                    <?php if ($this->mapExist) { ?>
                        <p> You uploaded some tilemap. <a href="?mode=show">SHOW</a>
                    <?php } ?>
                    <p class="notice">
                        This file created for testing purposes only. It shows an example of creating map tile from image with help of GDMapTileGenerator class
                    </p>
                    <p>Choose an image (Upload max size : <?php echo ini_get('upload_max_filesize'); ?> | Post data max size : <?php echo ini_get('post_max_size'); ?>)</p>

                    <input type="hidden" name="image-upload" value="1">
                    <input type="file" name="image-file">
                    <input type="submit" value="Upload">


                    <?php if ($err or $this->log) { ?>

                        <p>Upload errors : <?php echo $err; ?></p>
                        <p>Tile generator log : <br><?php echo $this->log; ?></p>

                    <?php } ?>
                </form>

            <?php } elseif ($showMap) { ?>

                <div id="map-container" style="width : 100%; height : 100%;"></div>

                <script>
                    var maxZoom = <?php echo $this->mapZoomMax; ?>;
                    if (maxZoom <= 0) maxZoom = 0;

                    var minZoom = 1;
                    if (maxZoom == 0) minZoom = 0;

                    var map = L.map('map-container', {
                        center: [0.0, 0.0],
                        zoom: maxZoom,
                    });

                    var mapLayer = L.tileLayer(
                        '<?php echo $this->mapDir; ?>{z}/{x}/{y}.png', {
                        maxZoom: maxZoom,
                        minZoom: minZoom,
                        tms: false,
                        crs: L.CRS.Simple,
                        continuousWorld: false,
                        noWrap: true
                    });

                    mapLayer.addTo(map);
                </script>

         <?php } ?>

        </body>

    </html>

    <?

    exit;
    }
}

$page = new Example();
$page->exec();