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diff _xampp/biorhythm.php @ 0:b12c99b7c3f0

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commit for previous development
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Mon, 19 Jan 2015 17:13:49 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/_xampp/biorhythm.php	Mon Jan 19 17:13:49 2015 +0100
@@ -0,0 +1,206 @@
+<?php
+	include("langsettings.php"); 
+
+	// Biorhythm by Till Gerken
+	// http://www.zend.com/zend/tut/dynamic.php
+	//
+	// Multi-language support by Kai Oswald Seidler, 2003
+	//
+	// Print a standard page header
+	//
+	function pageHeader()
+	{
+	    global $TEXT;
+
+	    print("<html><head>");
+	    print("<title>Biorhythm with PHP</title>");
+	    print('<link href="xampp.css" rel="stylesheet" type="text/css">');
+	    print("</head><body>");
+		
+	    print("&nbsp;<p><h1>".$TEXT['bio-head']."</h1>");
+	    print($TEXT['bio-by']." Till Gerken<br><a class=black href=http://www.zend.com/zend/tut/dynamic.php>http://www.zend.com/zend/tut/dynamic.php</a><p>");
+
+	}
+
+	//
+	// Print a standard page footer
+	//
+	function pageFooter()
+	{
+
+	    include("lang/".file_get_contents("lang.tmp").".php"); 
+	    include("showcode.php"); 
+
+	    print("</body></html>");
+
+	}
+
+	//
+	// Function to draw a curve of the biorythm
+	// Parameters are the day number for which to draw,
+	// period of the specific curve and its color
+	//
+	function drawRhythm($daysAlive, $period, $color)
+	{
+	    global $daysToShow, $image, $diagramWidth, $diagramHeight;
+
+	    // get day on which to center
+	    $centerDay = $daysAlive - ($daysToShow / 2);
+
+	    // calculate diagram parameters
+	    $plotScale = ($diagramHeight - 25) / 2;
+	    $plotCenter = ($diagramHeight - 25) / 2;
+
+	    // draw the curve
+	    for($x = 0; $x <= $daysToShow; $x++)
+	    {
+		// calculate phase of curve at this day, then Y value
+		// within diagram
+		$phase = (($centerDay + $x) % $period) / $period * 2 * pi();
+		$y = 1 - sin($phase) * (float)$plotScale + (float)$plotCenter;
+
+		// draw line from last point to current point
+		if($x > 0)
+		    imageLine($image, $oldX, $oldY,
+			      $x * $diagramWidth / $daysToShow, $y, $color);
+
+		// save current X/Y coordinates as start point for next line
+		$oldX = $x * $diagramWidth / $daysToShow;
+		$oldY = $y;
+	    }
+
+	}
+
+	//
+	// ---- MAIN PROGRAM START ----
+
+	// check if we already have a date to work with,
+	// if not display a form for the user to enter one
+	if(!isset($_REQUEST['birthdate']))
+	{
+	    pageHeader();
+
+	    ?>
+	     <form method="get" action="biorhythm.php">
+	     <!-- Please enter your birthday: -->
+	     <?=$TEXT['bio-ask']?>:
+		<br>
+	     <input type="text" name="birthdate" value="MM/DD/YYYY"><p>
+	     <input type=submit value="<?=$TEXT['bio-ok']?>">
+	     <input type="hidden" name="showpng" value=1>
+	     </form>
+	    <?php
+
+	    pageFooter();
+
+	    exit();
+	}
+
+	// get different parts of the date
+	$birthMonth = substr($_REQUEST['birthdate'], 0, 2);
+	$birthDay = substr($_REQUEST['birthdate'], 3, 2);
+	$birthYear = substr($_REQUEST['birthdate'], 6, 4);
+
+	// check date for validity, display error message if invalid
+	if(!checkDate($birthMonth, $birthDay, $birthYear))
+	{
+	    pageHeader();
+
+	    //print("The date '$birthMonth/$birthDay/$birthYear' is invalid.");
+	    print("<h2>".$TEXT['bio-error1']." '$birthMonth/$birthDay/$birthYear' ".$TEXT['bio-error2'].".</h2>");
+
+	    pageFooter();
+
+	    exit();
+	}
+
+	if(@$_REQUEST['showpng']==1)
+	{
+	    pageHeader();
+	
+	    echo "<img src=\"biorhythm.php?birthdate=".urlencode($_REQUEST['birthdate'])."\">";
+	    pageFooter();
+	    exit();
+	}
+	// specify diagram parameters (these are global)
+	$diagramWidth = 710;
+	$diagramHeight = 400;
+	$daysToShow = 30;
+
+	// calculate the number of days this person is alive
+	// this works because Julian dates specify an absolute number
+	// of days -> the difference between Julian birthday and
+	// "Julian today" gives the number of days alive
+	$daysGone = abs(gregorianToJD($birthMonth, $birthDay, $birthYear)
+			- gregorianToJD(date( "m"), date( "d"), date( "Y")));
+
+	// create image
+	$image = imageCreate($diagramWidth, $diagramHeight);
+
+	// allocate all required colors
+	$colorBackgr       = imageColorAllocate($image, 192, 192, 192);
+	$colorForegr       = imageColorAllocate($image, 255, 255, 255);
+	$colorGrid         = imageColorAllocate($image, 0, 0, 0);
+	$colorCross        = imageColorAllocate($image, 0, 0, 0);
+	$colorPhysical     = imageColorAllocate($image, 0, 0, 255);
+	$colorEmotional    = imageColorAllocate($image, 255, 0, 0);
+	$colorIntellectual = imageColorAllocate($image, 0, 255, 0);
+
+	// clear the image with the background color
+	imageFilledRectangle($image, 0, 0, $diagramWidth - 1, $diagramWidth - 1, $colorBackgr);
+
+	// calculate start date for diagram and start drawing
+	$nrSecondsPerDay = 60 * 60 * 24;
+	$diagramDate = time() - ($daysToShow / 2 * $nrSecondsPerDay)
+		       + $nrSecondsPerDay;
+
+	for ($i = 1; $i < $daysToShow; $i++)
+	{
+	    $thisDate = getDate($diagramDate);
+	    $xCoord = ($diagramWidth / $daysToShow) * $i;
+
+	    // draw day mark and day number
+	    imageLine($image, $xCoord, $diagramHeight - 25, $xCoord,
+		      $diagramHeight - 20, $colorGrid);
+	    imageString($image, 3, $xCoord - 5, $diagramHeight - 16,
+			$thisDate[ "mday"], $colorGrid);
+
+	    $diagramDate += $nrSecondsPerDay;
+	}
+
+	// draw rectangle around diagram (marks its boundaries)
+	imageRectangle($image, 0, 0, $diagramWidth - 1, $diagramHeight - 20,
+		       $colorGrid);
+
+	// draw middle cross
+	imageLine($image, 0, ($diagramHeight - 20) / 2, $diagramWidth,
+		  ($diagramHeight - 20) / 2, $colorCross);
+	imageLine($image, $diagramWidth / 2, 0, $diagramWidth / 2, $diagramHeight - 20,
+		  $colorCross);
+
+	// print descriptive text into the diagram
+	imageString($image, 3, 10, 10,  $TEXT['bio-birthday'].": $birthDay.$birthMonth.$birthYear",
+		    $colorCross);
+	imageString($image, 3, 10, 26,  $TEXT['bio-today'].":    ".  date(  "d.m.Y"),  $colorCross);
+	imageString($image, 3, 10, $diagramHeight - 42,  $TEXT['bio-physical'], $colorPhysical);
+	imageString($image, 3, 10, $diagramHeight - 58,  $TEXT['bio-emotional'], $colorEmotional);
+	imageString($image, 3, 10, $diagramHeight - 74,  $TEXT['bio-intellectual'], $colorIntellectual);
+
+	// now draw each curve with its appropriate parameters
+	drawRhythm($daysGone, 23, $colorPhysical);
+	drawRhythm($daysGone, 28, $colorEmotional);
+	drawRhythm($daysGone, 33, $colorIntellectual);
+
+	// set the content type
+	header("Content-type:  image/png");
+
+	// create an interlaced image for better loading in the browser
+	imageInterlace($image, 1);
+
+	// mark background color as being transparent
+	imageColorTransparent($image, $colorBackgr);
+
+	// now send the picture to the client (this outputs all image data directly)
+	imagePNG($image);
+
+?>