<?php
// Create Thumbnail and a new output of radar image
// I've found for code to work, you need to have a graphic
// of the output file name on your server and CHMOD 666
// This also crops the DBZ off the edge so you have to make
// Your input file 562 pixels wide and it crops down to 512

// Shut off error reporting so we don't get any errors displaying for visitors
error_reporting(0);

if ( empty($_REQUEST['force']) ) 
        $_REQUEST['force']="0";

$Force = $_REQUEST['force'];


//
$my_input_file = $_SERVER['DOCUMENT_ROOT'] . '/radar/koax_br248.jpg';
$my_output_file2 = $_SERVER['DOCUMENT_ROOT'] . '/radar/koax_br248c.jpg';
$my_output_file = $_SERVER['DOCUMENT_ROOT'] . '/radar/miniradar.jpg';

if (filesize($my_input_file) > 40000) {

$mytime = time();

	// set output jpeg quality
	$jpeg_quality = 90;

	// set thumbnail height to use
	$thumb_height = 120;

	// set thumbnail width to use
	$thumb_width = 120; 

	// $size[0] = the width of input image : $size[1] = the height of input image
	$size = getimagesize($my_input_file);

	$cropStartX = 50;
	$cropStartY = 0;
	$cropW  = 512;
	$cropH  = 512;
	$quality = 90;

// Cache the image until there's a new original to make a thumbnail of
// This greatly reduces server load and page load time.
if (filemtime($my_input_file) > filemtime($my_output_file)) {

	if ($size[0]==562) {

		sleep (1);

		// Create two images
		$origimg = imagecreatefromjpeg($my_input_file);
		$cropimg = imagecreatetruecolor($cropW,$cropH);

		// Crop
		imagecopyresized($cropimg, $origimg, 0, 0, $cropStartX, $cropStartY, $size[0], $size[1], $size[0], $size[1]);

		$white = imagecolorallocate ($cropimg, 255,255,255);
		putenv('TZ=US/Central');
		$imagetime = date("g:i A");
		imagestring($cropimg,FF_ARIAL,470,503,$imagetime,$white);

		imagejpeg($cropimg,$my_output_file2,$quality);

		// destroy the images
		imagedestroy($cropimg);
		imagedestroy($origimg);
	}

	$size = getimagesize($my_output_file2);

	// create image in memory
	$src_img = imagecreatefromjpeg($my_output_file2);
	$dst_img = imagecreatetruecolor($thumb_width,$thumb_height);
	imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_width, $thumb_height, $size[0], $size[1]);

	// write output image
	imagejpeg($dst_img, $my_output_file, $jpeg_quality); 

	// free memory used
	imagedestroy($src_img);
	imagedestroy($dst_img);

} else if (filemtime($my_input_file) < $mytime - 1500) {

	$size = getimagesize($my_output_file2);

	sleep (1);

	// create image in memory
	$org_img = imagecreatefromjpeg($my_input_file);
	$src_img = imagecreatefromjpeg($my_output_file2);
	$dst_img = imagecreatetruecolor($thumb_width,$thumb_height);
	imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_width, $thumb_height, $size[0], $size[1]);

	// If radar image is over 20 minutes old, add text that radar is down
	$white = imagecolorallocate ($dst_img, 255,255,255);
	imagestring($dst_img,2,20,50,"RADAR DOWN",$white);
	imagestring($src_img,2,230,280,"RADAR DOWN",$white);

	$Notupdated = "RADAR HAS NOT UPDATED IN LAST 25+ MINUTES";

	imagestring($src_img,2,100,380,$Notupdated,$white);

	// write output image
	imagejpeg($dst_img, $my_output_file, $jpeg_quality);
	imagejpeg($org_img, $my_input_file, 100);
	imagejpeg($src_img, $my_output_file2, 100);

	// free memory used
	imagedestroy($org_img);
	imagedestroy($src_img);
	imagedestroy($dst_img);

} else if ($Force==1) {

	if ($size[0]==562) {

		sleep (2);

		// Create two images
		$origimg = imagecreatefromjpeg($my_input_file);
		$cropimg = imagecreatetruecolor($cropW,$cropH);

		// Crop
		imagecopyresized($cropimg, $origimg, 0, 0, $cropStartX, $cropStartY, $size[0], $size[1], $size[0], $size[1]);

		$white = imagecolorallocate ($cropimg, 255,255,255);
		putenv('TZ=US/Central');
		$imagetime = date("g:i A");
		imagestring($cropimg,FF_ARIAL,470,503,$imagetime,$white);

		imagejpeg($cropimg,$my_output_file2,$quality);

		// destroy the images
		imagedestroy($cropimg);
		imagedestroy($origimg);
	}

	$size = getimagesize($my_output_file2);

	// create image in memory
	$src_img = imagecreatefromjpeg($my_output_file2);
	$dst_img = imagecreatetruecolor($thumb_width,$thumb_height);
	imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $thumb_width, $thumb_height, $size[0], $size[1]);

	// write output image
	imagejpeg($dst_img, $my_output_file, $jpeg_quality); 

	// free memory used
	imagedestroy($src_img);
	imagedestroy($dst_img);
	echo "done";

}

}

?>