Changes between Initial Version and Version 1 of PHPMapscript_FPDF

Timestamp:

Feb 4, 2009, 1:30:01 PM (15 years ago)

Author:

bitner

Comment:

Add page content

PHPMapscript_FPDF

@@ +1 @@
+This is the code used in the printing function for the MapServer application running at http://maps.macnoise.com/interactive/
+
+Much of this code is hard coded specifically for this application, but hopefully bits and pieces can serve as a useful example.
+
+{{{
+<?php
+set_time_limit(60000);
+ini_set('max_execution_time',0);
+dl("php_mapscript.so");
+$mapfile=$_REQUEST['map'];
+$map = ms_newMapObj($mapfile);
+$map->selectOutputFormat('jpeg'); //fpdf seems to play better with jpeg
+
+//get map extent
+if ($_REQUEST['mapext']) { 
+       $mapext = $_REQUEST['mapext'];
+       $extent = explode(" ", $mapext);
+       $map->setExtent($extent[0], $extent[1],$extent[2], $extent[3]);
+}
+
+//get list of layers and cycle through to turn them on
+if (isset($_REQUEST['layers'])) {
+       $layerlist = rtrim($_REQUEST['layers']);
+       $layers = explode(" ", $layerlist);
+       $numLayers = $map->numlayers;
+       for ($i = 0; $i < $numLayers; $i++) {
+               $activeLayer = $map->getlayer($i);
+                           if ($activeLayer->status != 2) $activeLayer->set("status", 0);
+       }
+       foreach ($layers as $l) {
+               $activeLayer = $map->getlayerbyname($l);
+               $activeLayer->set("status", 1);
+       }
+}
+$ft=$map->getlayerbyname('FlightTracks');
+$ftstat=$ft->status;
+// this is used to allow cgi substitutions in data strings
+for ($i = 0; $i < $map->numlayers; $i++) {
+        $activeLayer = $map->getlayer($i);
+        $datastring=$activeLayer->data;
+        if (preg_match_all("/%([\w].+?)%/",$datastring,$matches,PREG_SET_ORDER)>0){
+                foreach ($matches as $match){
+                        $search=$match[0];
+                        $replace=$match[1];
+                        if (isset($_REQUEST[$replace])){
+                                $replaceval=$_REQUEST[$replace];
+                                $datastring=str_replace($search,$replaceval,$datastring);
+                                $activeLayer->set("data",$datastring);
+                        } else {
+                                if (!($activeLayer->name == 'FlightTracks' && isset($_REQUEST['sDate']) && isset($_REQUEST['eDate']))) $activeLayer->set("status", 0);
+                        }
+                }
+        
+        }                  
+}
+$headerstring='';
+
+//conditionals used to only display certain messages when certain layers are turned on
+$ft=$map->getlayerbyname('FlightTracks');
+$ftstat=$ft->status;
+$add=$map->getlayerbyname('house');
+$addstat=$add->status;
+if ($ftstat==1) $headerstring=$headerstring.'Time Period: '.$_REQUEST['sDate'].'-'.$_REQUEST['eDate'];
+if ($addstat==1) $headerstring=$headerstring.' Address Shown: '.$_REQUEST['add'];
+
+
+$resolution=isset($_REQUEST['resolution'])?$_REQUEST['resolution']:150; //allows to set resolution or defaults to 150dpi
+$mapfile_resolution=$map->resolution;
+$scalefactor=$resolution/$mapfile_resolution; //how much everything needs to be multiplied by
+$map->set('resolution',$resolution); // set new resolution for min/max scale renderings
+
+
+// loop through layers to extract class images and names and to resize styles and truetype symbols
+$numLayers = $map->numlayers;
+$classimages=array();
+$classnames=array();
+for ($i=0; $i < $numLayers; $i++) {
+        $layer = $map->getlayer($i);
+        if ($layer->status == 1 ){
+        for ($j=0; $j < $layer->numclasses; $j++) {
+                $class = $layer->getClass($j);
+                $label = $class->label;
+                if ($layer->type !=4){
+                        $classimageobj=$class->createLegendIcon(60,60);
+                        $classimages[]=$classimageobj->saveWebImage();
+                        $classnames[]=$class->name;
+                }
+                if ($label->mindistance>1){
+                        $md=$label->mindistance;
+                        $newmd=$md*$scalefactor;
+                        $label->set('mindistance',$newmd);
+                }
+                if ($label->type == 'TRUETYPE') {
+                        $labelsize=$label->size;
+                        $newlabelsize=$labelsize*$scalefactor;
+                        $label->set('size',$newlabelsize);
+                }
+                for ($k=0; $k < $class->numstyles; $k++) {
+                        $style = $class->getStyle($k);
+                        $style->set("size", $style->size * $scalefactor);
+                        $style->set("offsetx", $style->offsetx * $scalefactor);
+                        $style->set("offsety", $style->offsety * $scalefactor);
+                }
+        }
+        }
+}
+$nrows=ceil(count($classnames)/4); // make 4 columns to display legend
+$legheight=$nrows*.25; // determine height of legend
+$mapheight=9.3-$legheight; // determine area left to draw map
+$legstart=$mapheight+1.05; // determine where to start the legend
+
+$map->set("width", 7.6*$resolution);
+$map->set("height", $resolution*$mapheight); // make map rectangle fit page
+//echo $mapheight*$resolution;
+//draw map
+$imgMap = $map->draw();
+$urlMap = $imgMap->saveWebImage();
+
+require('fpdf.php');
+class PDF extends FPDF
+{
+//Page header
+function Header()
+{ 
+   
+}
+
+//Page footer
+function Footer()
+{
+    $this->SetY(-1);
+    $this->SetFont('Arial','I',7);
+}
+function draw_legend($textarray,$imgarray,$startx,$starty,$nr){ // function draws the 4 column table
+        $this->SetFont('Times','',12);
+        $y=$starty-.25;
+        $x=$startx;
+        $first=true;
+        
+        for ($i=0;$i<count($textarray);$i++){
+                if ($i==$nr or $i==2*$nr or $i==3*$nr) {
+                        $y=$starty-.25;
+                        $x=$x+1.9;
+                        $first=false;
+                }
+                $y=$y+.25;
+                $imgurl=$imgarray[$i];
+                $text=$textarray[$i];
+                $this->Image($imgurl,$x,$y,.20,.20);
+                $this->Text($x+.25,$y+.15,$text);
+        }
+}
+}
+
+//Instanciation of inherited class
+$pdf=new PDF('P','in','letter');
+
+$pdf->SetDisplayMode('fullpage');
+$pdf->SetMargins(.25,.25);
+
+$pdf->AddPage();
+
+
+$pdf->SetFont('Arial','B',14);
+$pdf->Cell(0,.50,'MACNOISE Interactive Map',0,1,'C');
+$pdf->SetFont('Arial','',10);
+$pdf->Cell(0,.02,$headerstring,0,1,'C');
+
+
+$pdf->SetLineWidth(.1);
+$pdf->SetDrawColor(0,0,150);
+$pdf->Rect(.25,.25,8,10.5);
+
+$pdf->Image($urlMap,.45,.9,7.6,$mapheight);
+$pdf->Image("/var/apache/htdocs/graphics/MACnorth1.png",.45,.9,1,1);
+
+$pdf->SetLineWidth(.01);
+$pdf->SetDrawColor(0,0,200);
+$pdf->Rect(.40,.85,7.7,$mapheight+.1);
+$pdf->Rect(.40,$legstart,7.7,$legheight+.1);
+
+$date=date('M j, Y g:i');
+$datemessage="Map created by http://maps.macnoise.com/interactive/ on $date. This information is to be used for reference purposes only.";
+$disclaimer="The Metropolitan Airports Commission does not guarantee accuracy of the material contained herein and is not responsible for misuse or misinterpretation.";
+$pdf->SetFont('Arial','I',7);
+$pdf->Text(.45,10.55,$datemessage);
+$pdf->Text(.45,10.65,$disclaimer);
+$pdf->SetTitle('MACNoise Interactive Map');
+$pdf->draw_legend($classnames,$classimages,.45,$legstart+.05,$nrows);
+
+$pdf->Output();
+//$pdf->Output('macnoise.pdf','D');
+?>
+}}}