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<?php |
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/** |
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* phpMyAdmin ShapeFile library |
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* <https://github.com/phpmyadmin/shapefile/>. |
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* |
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* Copyright 2006-2007 Ovidio <ovidio AT users.sourceforge.net> |
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* Copyright 2016 Michal Čihař <[email protected]> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, you can download one from |
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* https://www.gnu.org/copyleft/gpl.html. |
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*/ |
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namespace PhpMyAdmin\ShapeFile; |
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/** |
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* ShapeFile record class. |
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*/ |
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class ShapeRecord |
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{ |
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private $SHPFile = null; |
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private $DBFFile = null; |
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private $ShapeFile = null; |
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private $size = 0; |
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private $read = 0; |
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public $recordNumber = null; |
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public $shapeType = null; |
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public $lastError = ''; |
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public $SHPData = array(); |
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public $DBFData = array(); |
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/** |
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* @param int $shapeType |
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*/ |
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public function __construct($shapeType) |
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{ |
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$this->shapeType = $shapeType; |
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} |
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/** |
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* Loads record from files. |
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* |
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* @param ShapeFile $ShapeFile |
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* @param file &$SHPFile Opened SHP file |
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* @param file &$DBFFile Opened DBF file |
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*/ |
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public function loadFromFile(&$ShapeFile, &$SHPFile, &$DBFFile) |
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{ |
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$this->ShapeFile = $ShapeFile; |
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$this->SHPFile = $SHPFile; |
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$this->DBFFile = $DBFFile; |
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$this->_loadHeaders(); |
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/* No header read */ |
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if ($this->read == 0) { |
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return; |
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} |
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switch ($this->shapeType) { |
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case 0: |
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$this->_loadNullRecord(); |
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break; |
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19 |
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case 1: |
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4 |
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$this->_loadPointRecord(); |
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break; |
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15 |
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case 21: |
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1 |
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$this->_loadPointMRecord(); |
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1 |
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break; |
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case 11: |
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1 |
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$this->_loadPointZRecord(); |
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1 |
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break; |
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13 |
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case 3: |
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1 |
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$this->_loadPolyLineRecord(); |
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1 |
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break; |
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case 23: |
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1 |
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$this->_loadPolyLineMRecord(); |
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1 |
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break; |
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case 13: |
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1 |
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$this->_loadPolyLineZRecord(); |
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1 |
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break; |
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case 5: |
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$this->_loadPolygonRecord(); |
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break; |
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case 25: |
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1 |
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$this->_loadPolygonMRecord(); |
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1 |
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break; |
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6 |
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case 15: |
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$this->_loadPolygonZRecord(); |
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break; |
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4 |
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case 8: |
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1 |
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$this->_loadMultiPointRecord(); |
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1 |
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break; |
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3 |
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case 28: |
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1 |
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$this->_loadMultiPointMRecord(); |
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1 |
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break; |
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2 |
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case 18: |
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$this->_loadMultiPointZRecord(); |
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break; |
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default: |
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$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType)); |
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break; |
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} |
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/* We need to skip rest of the record */ |
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while ($this->read < $this->size) { |
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$this->_loadData('V', 4); |
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} |
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/* Check if we didn't read too much */ |
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if ($this->read != $this->size) { |
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$this->setError(sprintf('Failed to parse record, read=%d, size=%d', $this->read, $this->size)); |
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} |
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if (ShapeFile::supports_dbase() && isset($this->DBFFile)) { |
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$this->_loadDBFData(); |
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} |
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} |
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/** |
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* Saves record to files. |
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* |
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* @param file &$SHPFile Opened SHP file |
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* @param file &$DBFFile Opened DBF file |
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* @param int $recordNumber Record number |
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*/ |
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public function saveToFile(&$SHPFile, &$DBFFile, $recordNumber) |
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{ |
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$this->SHPFile = $SHPFile; |
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$this->DBFFile = $DBFFile; |
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$this->recordNumber = $recordNumber; |
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$this->_saveHeaders(); |
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switch ($this->shapeType) { |
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case 0: |
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// Nothing to save |
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break; |
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case 1: |
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1 |
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$this->_savePointRecord(); |
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1 |
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break; |
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case 21: |
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1 |
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$this->_savePointMRecord(); |
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1 |
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break; |
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case 11: |
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1 |
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$this->_savePointZRecord(); |
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1 |
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break; |
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case 3: |
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1 |
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$this->_savePolyLineRecord(); |
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1 |
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break; |
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case 23: |
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1 |
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$this->_savePolyLineMRecord(); |
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1 |
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break; |
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case 13: |
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1 |
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$this->_savePolyLineZRecord(); |
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1 |
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break; |
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case 5: |
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$this->_savePolygonRecord(); |
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1 |
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break; |
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case 25: |
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$this->_savePolygonMRecord(); |
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break; |
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case 15: |
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$this->_savePolygonZRecord(); |
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1 |
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break; |
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case 8: |
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$this->_saveMultiPointRecord(); |
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break; |
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case 28: |
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$this->_saveMultiPointMRecord(); |
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break; |
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1 |
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case 18: |
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$this->_saveMultiPointZRecord(); |
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1 |
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break; |
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default: |
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$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType)); |
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break; |
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} |
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if (ShapeFile::supports_dbase() && !is_null($this->DBFFile)) { |
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$this->_saveDBFData(); |
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} |
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} |
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/** |
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* Updates DBF data to match header. |
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* |
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* @param array $header DBF structure header |
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*/ |
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public function updateDBFInfo($header) |
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{ |
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$tmp = $this->DBFData; |
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unset($this->DBFData); |
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$this->DBFData = array(); |
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foreach ($header as $value) { |
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$this->DBFData[$value[0]] = (isset($tmp[$value[0]])) ? $tmp[$value[0]] : ''; |
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} |
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} |
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/** |
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* Reads data. |
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* |
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* @param string $type type for unpack() |
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* @param int $count number of bytes |
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* |
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* @return mixed |
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*/ |
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private function _loadData($type, $count) |
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{ |
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$data = $this->ShapeFile->readSHP($count); |
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if ($data === false) { |
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return false; |
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} |
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$this->read += strlen($data); |
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return Util::loadData($type, $data); |
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} |
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/** |
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* Loads metadata header from a file. |
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*/ |
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private function _loadHeaders() |
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{ |
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$this->shapeType = false; |
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$this->recordNumber = $this->_loadData('N', 4); |
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if ($this->recordNumber === false) { |
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return; |
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} |
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// We read the length of the record |
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$this->size = $this->_loadData('N', 4); |
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if ($this->size === false) { |
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return; |
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} |
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$this->size = $this->size * 2 + 8; |
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$this->shapeType = $this->_loadData('V', 4); |
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} |
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/** |
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* Saves metadata header to a file. |
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*/ |
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12 |
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private function _saveHeaders() |
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{ |
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fwrite($this->SHPFile, pack('N', $this->recordNumber)); |
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fwrite($this->SHPFile, pack('N', $this->getContentLength())); |
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fwrite($this->SHPFile, pack('V', $this->shapeType)); |
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} |
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258
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19 |
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private function _loadPoint() |
259
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{ |
260
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$data = array(); |
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$data['x'] = $this->_loadData('d', 8); |
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$data['y'] = $this->_loadData('d', 8); |
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265
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return $data; |
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} |
267
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268
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1 |
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private function _loadPointM() |
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{ |
270
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1 |
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$data = $this->_loadPoint(); |
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272
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1 |
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$data['m'] = $this->_loadData('d', 8); |
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274
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1 |
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return $data; |
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} |
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277
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1 |
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private function _loadPointZ() |
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{ |
279
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1 |
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$data = $this->_loadPoint(); |
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281
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1 |
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$data['z'] = $this->_loadData('d', 8); |
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1 |
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$data['m'] = $this->_loadData('d', 8); |
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284
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1 |
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return $data; |
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} |
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287
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10 |
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private function _savePoint($data) |
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{ |
289
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10 |
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fwrite($this->SHPFile, Util::packDouble($data['x'])); |
290
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10 |
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fwrite($this->SHPFile, Util::packDouble($data['y'])); |
291
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10 |
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} |
292
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293
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1 |
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private function _savePointM($data) |
294
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{ |
295
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['x'])); |
296
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['y'])); |
297
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['m'])); |
298
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1 |
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} |
299
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300
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1 |
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private function _savePointZ($data) |
301
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{ |
302
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['x'])); |
303
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['y'])); |
304
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['z'])); |
305
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1 |
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fwrite($this->SHPFile, Util::packDouble($data['m'])); |
306
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1 |
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} |
307
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308
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private function _loadNullRecord() |
309
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{ |
310
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$this->SHPData = array(); |
311
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} |
312
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313
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4 |
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private function _loadPointRecord() |
314
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{ |
315
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4 |
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$this->SHPData = $this->_loadPoint(); |
316
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4 |
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} |
317
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318
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1 |
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private function _loadPointMRecord() |
319
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{ |
320
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1 |
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$this->SHPData = $this->_loadPointM(); |
321
|
1 |
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} |
322
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323
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1 |
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private function _loadPointZRecord() |
324
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{ |
325
|
1 |
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$this->SHPData = $this->_loadPointZ(); |
326
|
1 |
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} |
327
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328
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1 |
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private function _savePointRecord() |
329
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{ |
330
|
1 |
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$this->_savePoint($this->SHPData); |
331
|
1 |
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} |
332
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|
333
|
1 |
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private function _savePointMRecord() |
334
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{ |
335
|
1 |
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$this->_savePointM($this->SHPData); |
336
|
1 |
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} |
337
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|
338
|
1 |
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private function _savePointZRecord() |
339
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{ |
340
|
1 |
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$this->_savePointZ($this->SHPData); |
341
|
1 |
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} |
342
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343
|
13 |
|
private function _loadBBox() |
344
|
|
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{ |
345
|
13 |
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$this->SHPData['xmin'] = $this->_loadData('d', 8); |
346
|
13 |
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$this->SHPData['ymin'] = $this->_loadData('d', 8); |
347
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13 |
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$this->SHPData['xmax'] = $this->_loadData('d', 8); |
348
|
13 |
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$this->SHPData['ymax'] = $this->_loadData('d', 8); |
349
|
13 |
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} |
350
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|
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|
351
|
4 |
|
private function _loadMultiPointRecord() |
352
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{ |
353
|
4 |
|
$this->SHPData = array(); |
354
|
4 |
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$this->_loadBBox(); |
355
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|
356
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4 |
|
$this->SHPData['numpoints'] = $this->_loadData('V', 4); |
357
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|
358
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4 |
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for ($i = 0; $i < $this->SHPData['numpoints']; ++$i) { |
359
|
4 |
|
$this->SHPData['points'][] = $this->_loadPoint(); |
360
|
4 |
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} |
361
|
4 |
|
} |
362
|
|
|
|
363
|
|
|
/** |
364
|
|
|
* @param string $type |
365
|
|
|
*/ |
366
|
3 |
|
private function _loadMultiPointMZRecord($type) |
367
|
|
|
{ |
368
|
|
|
/* The m dimension is optional, depends on bounding box data */ |
369
|
3 |
|
if ($type == 'm' && !$this->ShapeFile->hasMeasure()) { |
370
|
3 |
|
return; |
371
|
|
|
} |
372
|
|
|
|
373
|
2 |
|
$this->SHPData[$type . 'min'] = $this->_loadData('d', 8); |
374
|
2 |
|
$this->SHPData[$type . 'max'] = $this->_loadData('d', 8); |
375
|
|
|
|
376
|
2 |
|
for ($i = 0; $i < $this->SHPData['numpoints']; ++$i) { |
377
|
2 |
|
$this->SHPData['points'][$i][$type] = $this->_loadData('d', 8); |
378
|
2 |
|
} |
379
|
2 |
|
} |
380
|
|
|
|
381
|
1 |
|
private function _loadMultiPointMRecord() |
382
|
|
|
{ |
383
|
1 |
|
$this->_loadMultiPointRecord(); |
384
|
|
|
|
385
|
1 |
|
$this->_loadMultiPointMZRecord('m'); |
386
|
1 |
|
} |
387
|
|
|
|
388
|
2 |
|
private function _loadMultiPointZRecord() |
389
|
|
|
{ |
390
|
2 |
|
$this->_loadMultiPointRecord(); |
391
|
|
|
|
392
|
2 |
|
$this->_loadMultiPointMZRecord('z'); |
393
|
2 |
|
$this->_loadMultiPointMZRecord('m'); |
394
|
2 |
|
} |
395
|
|
|
|
396
|
3 |
|
private function _saveMultiPointRecord() |
397
|
|
|
{ |
398
|
3 |
|
fwrite($this->SHPFile, pack('dddd', $this->SHPData['xmin'], $this->SHPData['ymin'], $this->SHPData['xmax'], $this->SHPData['ymax'])); |
399
|
|
|
|
400
|
3 |
|
fwrite($this->SHPFile, pack('V', $this->SHPData['numpoints'])); |
401
|
|
|
|
402
|
3 |
|
for ($i = 0; $i < $this->SHPData['numpoints']; ++$i) { |
403
|
3 |
|
$this->_savePoint($this->SHPData['points'][$i]); |
404
|
3 |
|
} |
405
|
3 |
|
} |
406
|
|
|
|
407
|
|
|
/** |
408
|
|
|
* @param string $type |
409
|
|
|
*/ |
410
|
2 |
|
private function _saveMultiPointMZRecord($type) |
411
|
|
|
{ |
412
|
2 |
|
fwrite($this->SHPFile, pack('dd', $this->SHPData[$type . 'min'], $this->SHPData[$type . 'max'])); |
413
|
|
|
|
414
|
2 |
|
for ($i = 0; $i < $this->SHPData['numpoints']; ++$i) { |
415
|
2 |
|
fwrite($this->SHPFile, Util::packDouble($this->SHPData['points'][$i][$type])); |
416
|
2 |
|
} |
417
|
2 |
|
} |
418
|
|
|
|
419
|
1 |
|
private function _saveMultiPointMRecord() |
420
|
|
|
{ |
421
|
1 |
|
$this->_saveMultiPointRecord(); |
422
|
|
|
|
423
|
1 |
|
$this->_saveMultiPointMZRecord('m'); |
424
|
1 |
|
} |
425
|
|
|
|
426
|
1 |
|
private function _saveMultiPointZRecord() |
427
|
|
|
{ |
428
|
1 |
|
$this->_saveMultiPointRecord(); |
429
|
|
|
|
430
|
1 |
|
$this->_saveMultiPointMZRecord('z'); |
431
|
1 |
|
$this->_saveMultiPointMZRecord('m'); |
432
|
1 |
|
} |
433
|
|
|
|
434
|
9 |
|
private function _loadPolyLineRecord() |
435
|
|
|
{ |
436
|
9 |
|
$this->SHPData = array(); |
437
|
9 |
|
$this->_loadBBox(); |
438
|
|
|
|
439
|
9 |
|
$this->SHPData['numparts'] = $this->_loadData('V', 4); |
440
|
9 |
|
$this->SHPData['numpoints'] = $this->_loadData('V', 4); |
441
|
|
|
|
442
|
9 |
|
$numparts = $this->SHPData['numparts']; |
443
|
9 |
|
$numpoints = $this->SHPData['numpoints']; |
444
|
|
|
|
445
|
9 |
|
for ($i = 0; $i < $numparts; ++$i) { |
446
|
9 |
|
$this->SHPData['parts'][$i] = $this->_loadData('V', 4); |
447
|
9 |
|
} |
448
|
|
|
|
449
|
9 |
|
$part = 0; |
450
|
9 |
|
for ($i = 0; $i < $numpoints; ++$i) { |
451
|
9 |
View Code Duplication |
if ($part + 1 < $numparts && $this->SHPData['parts'][$part + 1] == $i) { |
452
|
8 |
|
++$part; |
453
|
8 |
|
} |
454
|
9 |
|
if (!isset($this->SHPData['parts'][$part]['points']) || !is_array($this->SHPData['parts'][$part]['points'])) { |
455
|
9 |
|
$this->SHPData['parts'][$part] = array('points' => array()); |
456
|
9 |
|
} |
457
|
9 |
|
$this->SHPData['parts'][$part]['points'][] = $this->_loadPoint(); |
458
|
9 |
|
} |
459
|
9 |
|
} |
460
|
|
|
|
461
|
|
|
/** |
462
|
|
|
* @param string $type |
463
|
|
|
*/ |
464
|
5 |
|
private function _loadPolyLineMZRecord($type) |
465
|
|
|
{ |
466
|
|
|
/* The m dimension is optional, depends on bounding box data */ |
467
|
5 |
|
if ($type == 'm' && !$this->ShapeFile->hasMeasure()) { |
468
|
5 |
|
return; |
469
|
|
|
} |
470
|
|
|
|
471
|
3 |
|
$this->SHPData[$type . 'min'] = $this->_loadData('d', 8); |
472
|
3 |
|
$this->SHPData[$type . 'max'] = $this->_loadData('d', 8); |
473
|
|
|
|
474
|
3 |
|
$numparts = $this->SHPData['numparts']; |
475
|
3 |
|
$numpoints = $this->SHPData['numpoints']; |
476
|
|
|
|
477
|
3 |
|
$part = 0; |
478
|
3 |
|
for ($i = 0; $i < $numpoints; ++$i) { |
479
|
3 |
View Code Duplication |
if ($part + 1 < $numparts && $this->SHPData['parts'][$part + 1] == $i) { |
480
|
|
|
++$part; |
481
|
|
|
} |
482
|
3 |
|
$this->SHPData['parts'][$part]['points'][$i][$type] = $this->_loadData('d', 8); |
483
|
3 |
|
} |
484
|
3 |
|
} |
485
|
|
|
|
486
|
2 |
|
private function _loadPolyLineMRecord() |
487
|
|
|
{ |
488
|
2 |
|
$this->_loadPolyLineRecord(); |
489
|
|
|
|
490
|
2 |
|
$this->_loadPolyLineMZRecord('m'); |
491
|
2 |
|
} |
492
|
|
|
|
493
|
3 |
|
private function _loadPolyLineZRecord() |
494
|
|
|
{ |
495
|
3 |
|
$this->_loadPolyLineRecord(); |
496
|
|
|
|
497
|
3 |
|
$this->_loadPolyLineMZRecord('z'); |
498
|
3 |
|
$this->_loadPolyLineMZRecord('m'); |
499
|
3 |
|
} |
500
|
|
|
|
501
|
6 |
|
private function _savePolyLineRecord() |
502
|
|
|
{ |
503
|
6 |
|
fwrite($this->SHPFile, pack('dddd', $this->SHPData['xmin'], $this->SHPData['ymin'], $this->SHPData['xmax'], $this->SHPData['ymax'])); |
504
|
|
|
|
505
|
6 |
|
fwrite($this->SHPFile, pack('VV', $this->SHPData['numparts'], $this->SHPData['numpoints'])); |
506
|
|
|
|
507
|
6 |
|
$part_index = 0; |
508
|
6 |
|
for ($i = 0; $i < $this->SHPData['numparts']; ++$i) { |
509
|
6 |
|
fwrite($this->SHPFile, pack('V', $part_index)); |
510
|
6 |
|
$part_index += count($this->SHPData['parts'][$i]['points']); |
511
|
6 |
|
} |
512
|
|
|
|
513
|
6 |
|
foreach ($this->SHPData['parts'] as $partData) { |
514
|
6 |
|
foreach ($partData['points'] as $pointData) { |
515
|
6 |
|
$this->_savePoint($pointData); |
516
|
6 |
|
} |
517
|
6 |
|
} |
518
|
6 |
|
} |
519
|
|
|
|
520
|
|
|
/** |
521
|
|
|
* @param string $type |
522
|
|
|
*/ |
523
|
4 |
|
private function _savePolyLineMZRecord($type) |
524
|
|
|
{ |
525
|
4 |
|
fwrite($this->SHPFile, pack('dd', $this->SHPData[$type . 'min'], $this->SHPData[$type . 'max'])); |
526
|
|
|
|
527
|
4 |
|
foreach ($this->SHPData['parts'] as $partData) { |
528
|
4 |
|
foreach ($partData['points'] as $pointData) { |
529
|
4 |
|
fwrite($this->SHPFile, Util::packDouble($pointData[$type])); |
530
|
4 |
|
} |
531
|
4 |
|
} |
532
|
4 |
|
} |
533
|
|
|
|
534
|
2 |
|
private function _savePolyLineMRecord() |
535
|
|
|
{ |
536
|
2 |
|
$this->_savePolyLineRecord(); |
537
|
|
|
|
538
|
2 |
|
$this->_savePolyLineMZRecord('m'); |
539
|
2 |
|
} |
540
|
|
|
|
541
|
2 |
|
private function _savePolyLineZRecord() |
542
|
|
|
{ |
543
|
2 |
|
$this->_savePolyLineRecord(); |
544
|
|
|
|
545
|
2 |
|
$this->_savePolyLineMZRecord('z'); |
546
|
2 |
|
$this->_savePolyLineMZRecord('m'); |
547
|
2 |
|
} |
548
|
|
|
|
549
|
3 |
|
private function _loadPolygonRecord() |
550
|
|
|
{ |
551
|
3 |
|
$this->_loadPolyLineRecord(); |
552
|
3 |
|
} |
553
|
|
|
|
554
|
1 |
|
private function _loadPolygonMRecord() |
555
|
|
|
{ |
556
|
1 |
|
$this->_loadPolyLineMRecord(); |
557
|
1 |
|
} |
558
|
|
|
|
559
|
2 |
|
private function _loadPolygonZRecord() |
560
|
|
|
{ |
561
|
2 |
|
$this->_loadPolyLineZRecord(); |
562
|
2 |
|
} |
563
|
|
|
|
564
|
1 |
|
private function _savePolygonRecord() |
565
|
|
|
{ |
566
|
1 |
|
$this->_savePolyLineRecord(); |
567
|
1 |
|
} |
568
|
|
|
|
569
|
1 |
|
private function _savePolygonMRecord() |
570
|
|
|
{ |
571
|
1 |
|
$this->_savePolyLineMRecord(); |
572
|
1 |
|
} |
573
|
|
|
|
574
|
1 |
|
private function _savePolygonZRecord() |
575
|
|
|
{ |
576
|
1 |
|
$this->_savePolyLineZRecord(); |
577
|
1 |
|
} |
578
|
|
|
|
579
|
12 |
|
private function _adjustBBox($point) |
580
|
|
|
{ |
581
|
|
|
// Adjusts bounding box based on point |
582
|
12 |
|
$directions = array('x', 'y', 'z', 'm'); |
583
|
12 |
|
foreach ($directions as $direction) { |
584
|
12 |
|
if (!isset($point[$direction])) { |
585
|
8 |
|
continue; |
586
|
|
|
} |
587
|
12 |
|
$min = $direction . 'min'; |
588
|
12 |
|
$max = $direction . 'max'; |
589
|
12 |
|
if (!isset($this->SHPData[$min]) || ($this->SHPData[$min] > $point[$direction])) { |
590
|
12 |
|
$this->SHPData[$min] = $point[$direction]; |
591
|
12 |
|
} |
592
|
12 |
|
if (!isset($this->SHPData[$max]) || ($this->SHPData[$max] < $point[$direction])) { |
593
|
12 |
|
$this->SHPData[$max] = $point[$direction]; |
594
|
12 |
|
} |
595
|
12 |
|
} |
596
|
12 |
|
} |
597
|
|
|
|
598
|
|
|
/** |
599
|
|
|
* Sets dimension to 0 if not set. |
600
|
|
|
* |
601
|
|
|
* @param array $point Point to check |
602
|
|
|
* @param string $dimension Dimension to check |
603
|
|
|
* |
604
|
|
|
* @return array |
605
|
|
|
*/ |
606
|
8 |
|
private function _fixPoint($point, $dimension) |
607
|
|
|
{ |
608
|
8 |
|
if (!isset($point[$dimension])) { |
609
|
8 |
|
$point[$dimension] = 0.0; // no_value |
610
|
8 |
|
} |
611
|
|
|
|
612
|
8 |
|
return $point; |
613
|
|
|
} |
614
|
|
|
|
615
|
|
|
/** |
616
|
|
|
* Adjust point and bounding box when adding point. |
617
|
|
|
* |
618
|
|
|
* @param array $point Point data |
619
|
|
|
* |
620
|
|
|
* @return array Fixed point data |
621
|
|
|
*/ |
622
|
12 |
|
private function _adjustPoint($point) |
623
|
|
|
{ |
624
|
12 |
|
$type = $this->shapeType / 10; |
625
|
12 |
|
if ($type >= 2) { |
626
|
4 |
|
$point = $this->_fixPoint($point, 'm'); |
627
|
12 |
|
} elseif ($type >= 1) { |
628
|
4 |
|
$point = $this->_fixPoint($point, 'z'); |
629
|
4 |
|
$point = $this->_fixPoint($point, 'm'); |
630
|
4 |
|
} |
631
|
|
|
|
632
|
12 |
|
return $point; |
633
|
|
|
} |
634
|
|
|
|
635
|
|
|
/** |
636
|
|
|
* Adds point to a record. |
637
|
|
|
* |
638
|
|
|
* @param array $point Point data |
639
|
|
|
* @param int $partIndex Part index |
640
|
|
|
*/ |
641
|
12 |
|
public function addPoint($point, $partIndex = 0) |
642
|
|
|
{ |
643
|
12 |
|
$point = $this->_adjustPoint($point); |
644
|
12 |
|
switch ($this->shapeType) { |
645
|
12 |
|
case 0: |
646
|
|
|
//Don't add anything |
647
|
|
|
return; |
648
|
12 |
|
case 1: |
649
|
12 |
|
case 11: |
650
|
12 |
|
case 21: |
651
|
|
|
//Substitutes the value of the current point |
652
|
3 |
|
$this->SHPData = $point; |
653
|
3 |
|
break; |
654
|
9 |
|
case 3: |
655
|
9 |
|
case 5: |
656
|
9 |
|
case 13: |
657
|
9 |
|
case 15: |
658
|
9 |
|
case 23: |
659
|
9 |
|
case 25: |
660
|
|
|
//Adds a new point to the selected part |
661
|
6 |
|
$this->SHPData['parts'][$partIndex]['points'][] = $point; |
662
|
6 |
|
$this->SHPData['numparts'] = count($this->SHPData['parts']); |
663
|
6 |
|
$this->SHPData['numpoints'] = 1 + (isset($this->SHPData['numpoints']) ? $this->SHPData['numpoints'] : 0); |
664
|
6 |
|
break; |
665
|
3 |
|
case 8: |
666
|
3 |
|
case 18: |
667
|
3 |
|
case 28: |
668
|
|
|
//Adds a new point |
669
|
3 |
|
$this->SHPData['points'][] = $point; |
670
|
3 |
|
$this->SHPData['numpoints'] = 1 + (isset($this->SHPData['numpoints']) ? $this->SHPData['numpoints'] : 0); |
671
|
3 |
|
break; |
672
|
|
|
default: |
673
|
|
|
$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType)); |
674
|
|
|
|
675
|
|
|
return; |
676
|
12 |
|
} |
677
|
12 |
|
$this->_adjustBBox($point); |
678
|
12 |
|
} |
679
|
|
|
|
680
|
|
|
/** |
681
|
|
|
* Deletes point from a record. |
682
|
|
|
* |
683
|
|
|
* @param int $pointIndex Point index |
684
|
|
|
* @param int $partIndex Part index |
685
|
|
|
*/ |
686
|
12 |
|
public function deletePoint($pointIndex = 0, $partIndex = 0) |
687
|
|
|
{ |
688
|
12 |
|
switch ($this->shapeType) { |
689
|
12 |
|
case 0: |
690
|
|
|
//Don't delete anything |
691
|
|
|
break; |
692
|
12 |
|
case 1: |
693
|
12 |
|
case 11: |
694
|
12 |
|
case 21: |
695
|
|
|
//Sets the value of the point to zero |
696
|
3 |
|
$this->SHPData['x'] = 0.0; |
697
|
3 |
|
$this->SHPData['y'] = 0.0; |
698
|
3 |
|
if (in_array($this->shapeType, array(11, 21))) { |
699
|
2 |
|
$this->SHPData['m'] = 0.0; |
700
|
2 |
|
} |
701
|
3 |
|
if (in_array($this->shapeType, array(11))) { |
702
|
1 |
|
$this->SHPData['z'] = 0.0; |
703
|
1 |
|
} |
704
|
3 |
|
break; |
705
|
9 |
|
case 3: |
706
|
9 |
|
case 5: |
707
|
9 |
|
case 13: |
708
|
9 |
|
case 15: |
709
|
9 |
|
case 23: |
710
|
9 |
|
case 25: |
711
|
|
|
//Deletes the point from the selected part, if exists |
712
|
6 |
|
if (isset($this->SHPData['parts'][$partIndex]) && isset($this->SHPData['parts'][$partIndex]['points'][$pointIndex])) { |
713
|
6 |
|
$count = count($this->SHPData['parts'][$partIndex]['points']) - 1; |
714
|
6 |
|
for ($i = $pointIndex; $i < $count; ++$i) { |
715
|
6 |
|
$this->SHPData['parts'][$partIndex]['points'][$i] = $this->SHPData['parts'][$partIndex]['points'][$i + 1]; |
716
|
6 |
|
} |
717
|
6 |
|
unset($this->SHPData['parts'][$partIndex]['points'][count($this->SHPData['parts'][$partIndex]['points']) - 1]); |
718
|
|
|
|
719
|
6 |
|
$this->SHPData['numparts'] = count($this->SHPData['parts']); |
720
|
6 |
|
--$this->SHPData['numpoints']; |
721
|
6 |
|
} |
722
|
6 |
|
break; |
723
|
3 |
|
case 8: |
724
|
3 |
|
case 18: |
725
|
3 |
|
case 28: |
726
|
|
|
//Deletes the point, if exists |
727
|
3 |
|
if (isset($this->SHPData['points'][$pointIndex])) { |
728
|
3 |
|
$count = count($this->SHPData['points']) - 1; |
729
|
3 |
|
for ($i = $pointIndex; $i < $count; ++$i) { |
730
|
3 |
|
$this->SHPData['points'][$i] = $this->SHPData['points'][$i + 1]; |
731
|
3 |
|
} |
732
|
3 |
|
unset($this->SHPData['points'][count($this->SHPData['points']) - 1]); |
733
|
|
|
|
734
|
3 |
|
--$this->SHPData['numpoints']; |
735
|
3 |
|
} |
736
|
3 |
|
break; |
737
|
|
|
default: |
738
|
|
|
$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType)); |
739
|
|
|
break; |
740
|
12 |
|
} |
741
|
12 |
|
} |
742
|
|
|
|
743
|
|
|
/** |
744
|
|
|
* Returns length of content. |
745
|
|
|
* |
746
|
|
|
* @return int |
747
|
|
|
*/ |
748
|
12 |
|
public function getContentLength() |
749
|
|
|
{ |
750
|
|
|
// The content length for a record is the length of the record contents section measured in 16-bit words. |
751
|
|
|
// one coordinate makes 4 16-bit words (64 bit double) |
752
|
12 |
|
switch ($this->shapeType) { |
753
|
12 |
|
case 0: |
754
|
|
|
$result = 0; |
755
|
|
|
break; |
756
|
12 |
|
case 1: |
757
|
1 |
|
$result = 10; |
758
|
1 |
|
break; |
759
|
11 |
|
case 21: |
760
|
1 |
|
$result = 10 + 4; |
761
|
1 |
|
break; |
762
|
10 |
|
case 11: |
763
|
1 |
|
$result = 10 + 8; |
764
|
1 |
|
break; |
765
|
9 |
|
case 3: |
766
|
9 |
|
case 5: |
767
|
2 |
|
$count = count($this->SHPData['parts']); |
768
|
2 |
|
$result = 22 + 2 * $count; |
769
|
2 |
|
for ($i = 0; $i < $count; ++$i) { |
770
|
2 |
|
$result += 8 * count($this->SHPData['parts'][$i]['points']); |
771
|
2 |
|
} |
772
|
2 |
|
break; |
773
|
7 |
|
case 23: |
774
|
7 |
View Code Duplication |
case 25: |
775
|
2 |
|
$count = count($this->SHPData['parts']); |
776
|
2 |
|
$result = 22 + (2 * 4) + 2 * $count; |
777
|
2 |
|
for ($i = 0; $i < $count; ++$i) { |
778
|
2 |
|
$result += (8 + 4) * count($this->SHPData['parts'][$i]['points']); |
779
|
2 |
|
} |
780
|
2 |
|
break; |
781
|
5 |
|
case 13: |
782
|
5 |
View Code Duplication |
case 15: |
783
|
2 |
|
$count = count($this->SHPData['parts']); |
784
|
2 |
|
$result = 22 + (4 * 4) + 2 * $count; |
785
|
2 |
|
for ($i = 0; $i < $count; ++$i) { |
786
|
2 |
|
$result += (8 + 8) * count($this->SHPData['parts'][$i]['points']); |
787
|
2 |
|
} |
788
|
2 |
|
break; |
789
|
3 |
|
case 8: |
790
|
1 |
|
$result = 20 + 8 * count($this->SHPData['points']); |
791
|
1 |
|
break; |
792
|
2 |
View Code Duplication |
case 28: |
793
|
1 |
|
$result = 20 + (2 * 4) + (8 + 4) * count($this->SHPData['points']); |
794
|
1 |
|
break; |
795
|
1 |
View Code Duplication |
case 18: |
796
|
1 |
|
$result = 20 + (4 * 4) + (8 + 8) * count($this->SHPData['points']); |
797
|
1 |
|
break; |
798
|
|
|
default: |
799
|
|
|
$result = false; |
800
|
|
|
$this->setError(sprintf('The Shape Type "%s" is not supported.', $this->shapeType)); |
801
|
|
|
break; |
802
|
12 |
|
} |
803
|
|
|
|
804
|
12 |
|
return $result; |
805
|
|
|
} |
806
|
|
|
|
807
|
|
|
private function _loadDBFData() |
808
|
|
|
{ |
809
|
|
|
$this->DBFData = @dbase_get_record_with_names($this->DBFFile, $this->recordNumber); |
810
|
|
|
unset($this->DBFData['deleted']); |
811
|
|
|
} |
812
|
|
|
|
813
|
|
|
private function _saveDBFData() |
814
|
|
|
{ |
815
|
|
|
if (count($this->DBFData) == 0) { |
816
|
|
|
return; |
817
|
|
|
} |
818
|
|
|
unset($this->DBFData['deleted']); |
819
|
|
|
if ($this->recordNumber <= dbase_numrecords($this->DBFFile)) { |
820
|
|
|
if (!dbase_replace_record($this->DBFFile, array_values($this->DBFData), $this->recordNumber)) { |
821
|
|
|
$this->setError('I wasn\'t possible to update the information in the DBF file.'); |
822
|
|
|
} |
823
|
|
|
} else { |
824
|
|
|
if (!dbase_add_record($this->DBFFile, array_values($this->DBFData))) { |
825
|
|
|
$this->setError('I wasn\'t possible to add the information to the DBF file.'); |
826
|
|
|
} |
827
|
|
|
} |
828
|
|
|
} |
829
|
|
|
|
830
|
|
|
/** |
831
|
|
|
* Sets error message. |
832
|
|
|
* |
833
|
|
|
* @param string $error |
834
|
|
|
*/ |
835
|
|
|
public function setError($error) |
836
|
|
|
{ |
837
|
|
|
$this->lastError = $error; |
838
|
|
|
} |
839
|
|
|
|
840
|
|
|
/** |
841
|
|
|
* Returns shape name. |
842
|
|
|
* |
843
|
|
|
* @return string |
844
|
|
|
*/ |
845
|
1 |
|
public function getShapeName() |
846
|
|
|
{ |
847
|
1 |
|
return Util::nameShape($this->shapeType); |
848
|
|
|
} |
849
|
|
|
} |
850
|
|
|
|