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File: Qiblah.php

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  Classes of Dr Ahmed Elsheshtawy  >  Qiblah Direction Calculator  >  Qiblah.php  >  Download  
File: Qiblah.php
Role: Example script
Content type: text/plain
Description: Qibla Graphic Direction Test
Class: Qiblah Direction Calculator
Determine the Qiblah direction
Author: By
Last change:
Date: 6 years ago
Size: 5,450 bytes
 

Contents

Class file image Download
<?php
// ----------------------------------------------------------------------
//Copyrights 2009 Mewsoft Corp. All rights reserved.
//Program Author : Dr. Ahmed Amin Elsheshtawy, Ph.D
//Home Page : http://www.islamware.com, http://www.mewsoft.com
//Contact Email : support@mewsoft.com
//Products : Auction, Classifieds, Directory, PPC, Forums, Snapshotter
// ----------------------------------------------------------------------
// LICENSE
// This program is open source product; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License (LGPL)
// as published by the Free Software Foundation; either version 3
// of the License, 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 Lesser General Public License for more details.

// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------
   
   
require_once(dirname(__FILE__)."/Qiblah.class.php");
   
//-------------------------------------------------------------------------------------------------------
    // http://localhost/php/Qiblah-Class/QiblahDirection.php?latitude=10&longitude=20

   
if (isset($_REQUEST['latitude']) && isset($_REQUEST['longitude'])) {
           
$origin_latitude = floatval ($_REQUEST['latitude']);
           
$origin_longitude = floatval ($_REQUEST['longitude']);
    }
    else {
           
// default for Cairo, Egypt
           
$origin_latitude = 30.1;
           
$origin_longitude = 31.3;
    }

   
$qiblah = new Qiblah();
   
$qiblah_angle = $qiblah->getDirection($origin_latitude, $origin_longitude);
   
//$qiblah_angle = 300;
    //echo "GCDistance: " . $qiblah->GreatCircleDistance(30.1, 31.3, 21, 40) . " <br />\n";
    //-------------------------------------------------------------------------------------------------------
    //-------------------------------------------------------------------------------------------------------
   
function draw_radius($im, $x, $y, $radius, $angle, $color)
    {
       
$x1 = $x + $radius * cos(deg2rad($angle-90));
       
$y1 = $y + $radius * sin(deg2rad($angle-90));
       
imageline($im, $x, $y, $x1, $y1, $color);
       
arrow($im, $x, $y, $x1, $y1, 10, 3, $color);
    }

    function
arrow($img, $x1, $y1, $x2, $y2, $arrow_length, $arrow_width, $color)
    {
       
$distance = sqrt(pow($x1 - $x2, 2) + pow($y1 - $y2, 2));
       
$dx = $x2 + ($x1 - $x2) * $arrow_length / $distance;
       
$dy = $y2 + ($y1 - $y2) * $arrow_length / $distance;
       
$k = $arrow_width / $arrow_length;
       
$x2o = $x2 - $dx;
       
$y2o = $dy - $y2;
       
$x3 = $y2o * $k + $dx;
       
$y3 = $x2o * $k + $dy;
       
$x4 = $dx - $y2o * $k;
       
$y4 = $dy - $x2o * $k;
       
imageline($img, $x1, $y1, $dx, $dy, $color);
       
imageline($img, $x3, $y3, $x4, $y4, $color);
       
imageline($img, $x3, $y3, $x2, $y2, $color);
       
imageline($img, $x2, $y2, $x4, $y4, $color);
    }
   
//-------------------------------------------------------------------------------------------------------
    //-------------------------------------------------------------------------------------------------------
    /**
        add compass background image
    */
   
$image_compass = imagecreatefromgif('qiblahcompass.gif');

   
imageantialias($im, true);

   
$centrx = imagesx($image_compass)/2;
   
$centry = imagesy($image_compass)/2;
   
$radius_percentage = 0.65;
   
$radius = imagesx($image_compass)/2 * $radius_percentage;
   
imagesetthickness($image_compass, 3);
   
//$pointer_color = ImageColorAllocate($im, 255, hexdec("CC"), 00);
    //$pointer_color = ImageColorAllocate($im, 155, 240, 100);
    //$pointer_color = ImageColorAllocate($im, 255, 0, 0);
   
$pointer_color = ImageColorAllocate($image_compass, 0, 255, 0);
   
//-------------------------------------------------------------------------------------------------------
    /**
        draw the line and arraw from the origin source location to Kaba location
    */
   
draw_radius($image_compass, $centrx, $centry, $radius, $qiblah_angle, $pointer_color);
   
//-------------------------------------------------------------------------------------------------------
    /**
        Merge the Kaba image with the compass image at the kaba location
    */
   
$image_kaba = imagecreatefromjpeg('kaba.jpg');
   
$radius_kaba_percentage = .85;
   
$radius_kaba = imagesx($image_compass)/2 * $radius_kaba_percentage;
   
$x1 = $centrx + $radius_kaba * cos(deg2rad($qiblah_angle-90));
   
$y1 = $centry + $radius_kaba * sin(deg2rad($qiblah_angle-90));
   
imagecopymerge($image_compass,
                                   
$image_kaba, $x1-imagesx($image_kaba)/2, $y1-imagesy($image_kaba)/2,
                                   
0, 0,
                                   
imagesx($image_kaba), imagesy($image_kaba),
                                   
75
                                   
);
   
//-------------------------------------------------------------------------------------------------------
    // Output the HTTP header Content-type
    //Header('Content-type: image/gif');
    // Send GIF output to client browser
   
ImageGif($image_compass);
   
ImageDestroy($image_compass);
   
//-------------------------------------------------------------------------------------------------------
    //-------------------------------------------------------------------------------------------------------
    //print "$qiblah_angle \n<br>";
?>