Server IP : 85.214.239.14 / Your IP : 18.226.17.3 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/3/root/var/www/wordpress/phpMyAdmin/libraries/classes/Gis/ |
Upload File : |
<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Handles actions related to GIS LINESTRING objects * * @package PhpMyAdmin-GIS */ declare(strict_types=1); namespace PhpMyAdmin\Gis; use TCPDF; /** * Handles actions related to GIS LINESTRING objects * * @package PhpMyAdmin-GIS */ class GisLineString extends GisGeometry { // Hold the singleton instance of the class private static $_instance; /** * A private constructor; prevents direct creation of object. * * @access private */ private function __construct() { } /** * Returns the singleton. * * @return GisLineString the singleton * @access public */ public static function singleton() { if (! isset(self::$_instance)) { self::$_instance = new GisLineString(); } return self::$_instance; } /** * Scales each row. * * @param string $spatial spatial data of a row * * @return array an array containing the min, max values for x and y coordinates * @access public */ public function scaleRow($spatial) { // Trim to remove leading 'LINESTRING(' and trailing ')' $linestring = mb_substr( $spatial, 11, mb_strlen($spatial) - 12 ); return $this->setMinMax($linestring, []); } /** * Adds to the PNG image object, the data related to a row in the GIS dataset. * * @param string $spatial GIS POLYGON object * @param string|null $label Label for the GIS POLYGON object * @param string $line_color Color for the GIS POLYGON object * @param array $scale_data Array containing data related to scaling * @param resource $image Image object * * @return resource the modified image object * @access public */ public function prepareRowAsPng( $spatial, ?string $label, $line_color, array $scale_data, $image ) { // allocate colors $black = imagecolorallocate($image, 0, 0, 0); $red = hexdec(mb_substr($line_color, 1, 2)); $green = hexdec(mb_substr($line_color, 3, 2)); $blue = hexdec(mb_substr($line_color, 4, 2)); $color = imagecolorallocate($image, $red, $green, $blue); // Trim to remove leading 'LINESTRING(' and trailing ')' $linesrting = mb_substr( $spatial, 11, mb_strlen($spatial) - 12 ); $points_arr = $this->extractPoints($linesrting, $scale_data); foreach ($points_arr as $point) { if (! isset($temp_point)) { $temp_point = $point; } else { // draw line section imageline( $image, $temp_point[0], $temp_point[1], $point[0], $point[1], $color ); $temp_point = $point; } } // print label if applicable if (isset($label) && trim($label) != '') { imagestring( $image, 1, $points_arr[1][0], $points_arr[1][1], trim($label), $black ); } return $image; } /** * Adds to the TCPDF instance, the data related to a row in the GIS dataset. * * @param string $spatial GIS LINESTRING object * @param string|null $label Label for the GIS LINESTRING object * @param string $line_color Color for the GIS LINESTRING object * @param array $scale_data Array containing data related to scaling * @param TCPDF $pdf TCPDF instance * * @return TCPDF the modified TCPDF instance * @access public */ public function prepareRowAsPdf($spatial, ?string $label, $line_color, array $scale_data, $pdf) { // allocate colors $red = hexdec(mb_substr($line_color, 1, 2)); $green = hexdec(mb_substr($line_color, 3, 2)); $blue = hexdec(mb_substr($line_color, 4, 2)); $line = [ 'width' => 1.5, 'color' => [ $red, $green, $blue, ], ]; // Trim to remove leading 'LINESTRING(' and trailing ')' $linesrting = mb_substr( $spatial, 11, mb_strlen($spatial) - 12 ); $points_arr = $this->extractPoints($linesrting, $scale_data); foreach ($points_arr as $point) { if (! isset($temp_point)) { $temp_point = $point; } else { // draw line section $pdf->Line( $temp_point[0], $temp_point[1], $point[0], $point[1], $line ); $temp_point = $point; } } // print label if (isset($label) && trim($label) != '') { $pdf->SetXY($points_arr[1][0], $points_arr[1][1]); $pdf->SetFontSize(5); $pdf->Cell(0, 0, trim($label)); } return $pdf; } /** * Prepares and returns the code related to a row in the GIS dataset as SVG. * * @param string $spatial GIS LINESTRING object * @param string $label Label for the GIS LINESTRING object * @param string $line_color Color for the GIS LINESTRING object * @param array $scale_data Array containing data related to scaling * * @return string the code related to a row in the GIS dataset * @access public */ public function prepareRowAsSvg($spatial, $label, $line_color, array $scale_data) { $line_options = [ 'name' => $label, 'id' => $label . mt_rand(), 'class' => 'linestring vector', 'fill' => 'none', 'stroke' => $line_color, 'stroke-width' => 2, ]; // Trim to remove leading 'LINESTRING(' and trailing ')' $linesrting = mb_substr( $spatial, 11, mb_strlen($spatial) - 12 ); $points_arr = $this->extractPoints($linesrting, $scale_data); $row = '<polyline points="'; foreach ($points_arr as $point) { $row .= $point[0] . ',' . $point[1] . ' '; } $row .= '"'; foreach ($line_options as $option => $val) { $row .= ' ' . $option . '="' . trim((string) $val) . '"'; } $row .= '/>'; return $row; } /** * Prepares JavaScript related to a row in the GIS dataset * to visualize it with OpenLayers. * * @param string $spatial GIS LINESTRING object * @param int $srid Spatial reference ID * @param string $label Label for the GIS LINESTRING object * @param string $line_color Color for the GIS LINESTRING object * @param array $scale_data Array containing data related to scaling * * @return string JavaScript related to a row in the GIS dataset * @access public */ public function prepareRowAsOl($spatial, $srid, $label, $line_color, array $scale_data) { $style_options = [ 'strokeColor' => $line_color, 'strokeWidth' => 2, 'label' => $label, 'fontSize' => 10, ]; if ($srid == 0) { $srid = 4326; } $result = $this->getBoundsForOl($srid, $scale_data); // Trim to remove leading 'LINESTRING(' and trailing ')' $linesrting = mb_substr( $spatial, 11, mb_strlen($spatial) - 12 ); $points_arr = $this->extractPoints($linesrting, null); $result .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector(' . $this->getLineForOpenLayers($points_arr, $srid) . ', null, ' . json_encode($style_options) . '));'; return $result; } /** * Generate the WKT with the set of parameters passed by the GIS editor. * * @param array $gis_data GIS data * @param int $index Index into the parameter object * @param string $empty Value for empty points * * @return string WKT with the set of parameters passed by the GIS editor * @access public */ public function generateWkt(array $gis_data, $index, $empty = '') { $no_of_points = isset($gis_data[$index]['LINESTRING']['no_of_points']) ? $gis_data[$index]['LINESTRING']['no_of_points'] : 2; if ($no_of_points < 2) { $no_of_points = 2; } $wkt = 'LINESTRING('; for ($i = 0; $i < $no_of_points; $i++) { $wkt .= ((isset($gis_data[$index]['LINESTRING'][$i]['x']) && trim((string) $gis_data[$index]['LINESTRING'][$i]['x']) != '') ? $gis_data[$index]['LINESTRING'][$i]['x'] : $empty) . ' ' . ((isset($gis_data[$index]['LINESTRING'][$i]['y']) && trim((string) $gis_data[$index]['LINESTRING'][$i]['y']) != '') ? $gis_data[$index]['LINESTRING'][$i]['y'] : $empty) . ','; } $wkt = mb_substr( $wkt, 0, mb_strlen($wkt) - 1 ); $wkt .= ')'; return $wkt; } /** * Generate parameters for the GIS data editor from the value of the GIS column. * * @param string $value of the GIS column * @param int $index of the geometry * * @return array params for the GIS data editor from the value of the GIS column * @access public */ public function generateParams($value, $index = -1) { $params = []; if ($index == -1) { $index = 0; $data = GisGeometry::generateParams($value); $params['srid'] = $data['srid']; $wkt = $data['wkt']; } else { $params[$index]['gis_type'] = 'LINESTRING'; $wkt = $value; } // Trim to remove leading 'LINESTRING(' and trailing ')' $linestring = mb_substr( $wkt, 11, mb_strlen($wkt) - 12 ); $points_arr = $this->extractPoints($linestring, null); $no_of_points = count($points_arr); $params[$index]['LINESTRING']['no_of_points'] = $no_of_points; for ($i = 0; $i < $no_of_points; $i++) { $params[$index]['LINESTRING'][$i]['x'] = $points_arr[$i][0]; $params[$index]['LINESTRING'][$i]['y'] = $points_arr[$i][1]; } return $params; } }