[Mapbender-commits] r2145 - branches/2.4.5/http/classes

[svn_mapbender at osgeo.org]

Author: astrid_emde
Date: 2008-02-27 07:47:00 -0500 (Wed, 27 Feb 2008)
New Revision: 2145

Added:
   branches/2.4.5/http/classes/class_weldMaps2Image.php
Log:
new class for Export Image
http://www.mapbender.org/ExportMapimage

Added: branches/2.4.5/http/classes/class_weldMaps2Image.php
===================================================================
--- branches/2.4.5/http/classes/class_weldMaps2Image.php	                        (rev 0)
+++ branches/2.4.5/http/classes/class_weldMaps2Image.php	2008-02-27 12:47:00 UTC (rev 2145)
@@ -0,0 +1,166 @@
+<?php
+# $Id$
+# http://www.mapbender.org/
+# Copyright (C) 2002 CCGIS 
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+require_once(dirname(__FILE__)."/class_stripRequest.php");
+require_once(dirname(__FILE__)."/class_mb_exception.php");
+require_once(dirname(__FILE__)."/class_connector.php");
+include_once(dirname(__FILE__)."/../../conf/mapbender.conf");
+ 
+ /*
+  * Class generats Images (jpegs/pngs/geotiff) 
+  * of Image-URL-Array
+  * For geotiff export gdal is necessary
+  * 
+  */
+ class weldMaps2Image{
+ 	
+	var $urls = array();
+	var $filename; 	
+ 	
+ 	function weldMaps2Image($urls, $array_file){
+ 		$this->urls = $urls;
+  		$this->array_file = $array_file;
+ 	}
+ 	
+ 	
+	function getImage($imageTyp_imp, $outputKind=''){
+		
+		$imageTyp="";
+		$imageTyp=$imageTyp_imp;
+		
+		if($imageTyp=='jpg'){
+			$imageTyp='jpeg';
+		}
+				
+		if(!$this->urls || $this->urls == ""){
+			$e = new mb_exception("weldMaps2Image: no maprequests delivered");
+		}
+		$obj1 = new stripRequest($this->urls[0]);
+		$width = $obj1->get("width");
+		$height = $obj1->get("height");
+		$wms_srs = $obj1->get("srs");
+		$wms_bbox = $obj1->get("bbox");
+		$wms_format = $obj1->getFormat();
+		
+		$image = imagecreatetruecolor($width, $height	);
+		$white = ImageColorAllocate($image,255,255,255); 
+		ImageFilledRectangle($image,0,0,$width,$height,$white); 
+	
+		for($i=0; $i<count($this->urls); $i++){
+			$obj = new stripRequest($this->urls[$i]);
+			if($imageTyp=='geotiff'){
+				$this->urls[$i] = $obj->setFormat($wms_format);
+			} else {
+				$this->urls[$i] = $obj->setFormat($imageTyp);	
+			}	
+			
+			$this->urls[$i] = $obj->encodeGET();			
+			$img = $this->loadImage($this->urls[$i]);				
+			if($img != false){
+				imagecopy($image, $img, 0, 0, 0, 0, $width, $height);
+			}
+			else{
+				$e = new mb_exception("weldMaps2Image: unable to load image: " . $this->urls[$i]);
+			}
+		}		
+		
+		$filename = $this->array_file['dir']."/";
+		$timestamp = time();			
+		$filenameOnly =$this->array_file['filename'].md5($timestamp);
+		
+		if($imageTyp=='png'){
+			
+			$filenameOnly .= '.png';
+			$filename .= $filenameOnly;
+
+			imagepng($image, $filename);
+			
+			echo $this->downloadLink("../php/download.php?download=".$filenameOnly);
+			
+		} else if($imageTyp=='jpeg'){
+			
+			$filenameOnly .= '.jpeg';
+			$filename .= $filenameOnly;
+			imagejpeg($image, $filename);
+			
+			echo $this->downloadLink("../php/download.php?download=".$filenameOnly);
+					
+		} else if($imageTyp=='geotiff'){
+			
+			$filenameOnly .= '.'.$wms_format;
+			$filename .= $filenameOnly;
+			
+			if ($wms_format=='png'){
+				imagepng($image, $filename);	
+			} else if ($wms_format=='jpeg'){
+				imagejpeg($image, $filename);	
+			} else {
+				$e = new mb_exception("weldMaps2Image: unable to generate temp-Image for getiff: " . $filename);
+			}
+			
+			// gdal_translate...
+			$wms_bbox = str_replace(',', ' ', $wms_bbox);
+			$filename_tif = str_replace($wms_format, 'tif', $filenameOnly);
+
+			$tmp_dir = $this->array_file['dir'];
+			$cmd = "gdal_translate -a_srs ".$wms_srs." -a_ullr ".$wms_bbox." ".$tmp_dir.$filenameOnly." ".$tmp_dir.$filename_tif;
+//			echo "cmd: <br>".$cmd."<br>";
+			exec($cmd);
+			
+			
+			echo "<br>";
+			echo $this->downloadLink("../php/download.php?download=".$filename_tif);
+					
+		}else {
+			
+		}
+		
+		
+	}
+	
+	function loadImage ($imgurl) {
+
+		$x = new connector($imgurl);		
+		$im = @imagecreatefromstring($x->file);
+		if(!$im){
+			$im = false;
+			$e = new mb_exception("weldMaps2Image: unable to load image: ".$imgurl);
+		}  
+		return $im;
+		
+	}
+ 	
+ 	function downloadLink($link){
+ 		return "<a href=".$link.">Image Download</a>";
+ 	}
+ 	
+ }
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+ 
+?>


Property changes on: branches/2.4.5/http/classes/class_weldMaps2Image.php
___________________________________________________________________
Name: svn:keywords
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