jerome-labidurie/index.php

## index.php
<html>

<head>
	<title> static images </title>
</head>

<body>
<pre>

<?php

function make_thumb($src, $dest, $desired_width) {

	/* read the source image */
// 	$source_image = imagecreatefromjpeg($src);
	$source_image = imagecreatefromstring ( file_get_contents($src) );
	$width = imagesx($source_image);
	$height = imagesy($source_image);

	/* find the "desired height" of this thumbnail, relative to the desired width  */
	if ($height > $width) {
		$desired_height = $desired_width;
		$desired_width = floor($width * ($desired_height / $height));
	} else {
		$desired_height = floor($height * ($desired_width / $width));
	}

	/* create a new, "virtual" image */
	$virtual_image = imagecreatetruecolor($desired_width, $desired_height);

	/* copy source image at a resized size */
	imagecopyresampled($virtual_image, $source_image, 0, 0, 0, 0, $desired_width, $desired_height, $width, $height);

	/* create the physical thumbnail image to its destination */
	imagejpeg($virtual_image, $dest);
}


/** display images */
$IMG_PATTERN = "*.{jpg,JPG,jpeg,png,PNG,gif,GIF}";
$W = 4; // page width
$H = 6; // page height
$PAGE_SIZE = $W * $H;
$THUMBS='thumbs'; // thumbnails directory

if (! is_dir($THUMBS)) {
	mkdir($THUMBS);
}

if (isset( $_GET['page'] ) ) {
	$start = ( ($_GET['page'] - 1) * $PAGE_SIZE ) + 1; // numéro d'image de départ
	$page = $_GET['page']; // numéro de page
} else {
	$start = 1;
	$page = 1;
}

// navigation
if ($page > 1) {
	echo "<a href='?page=" . ($page-1) ."'> prev </a>";
}
echo "<a href='?page=" . ($page + 1) . "'> next </a>\n";

// table d'images de la page
$c = 1;
echo "<table><tr>";
foreach (glob($IMG_PATTERN, GLOB_BRACE) as $filename) {
	if ($c >= $start) {
		if ($c < $start + $PAGE_SIZE) {
			// on est dans la page à afficher
			// get thumbnail path
			$filename_no_ext = reset(explode('.', $filename));
			$thumbnail = $THUMBS . '/' . $filename_no_ext . '.jpg';
			if (! is_file($thumbnail) ) {
				// create thumbnail
				make_thumb ($filename, $thumbnail, 150);
			}
			// affiche thum et lien image
			echo "\t<td> <a href='$filename'><img src='$thumbnail'><br/>$filename</a> </td>\n";
			if (( ($c-$start+1)  % $W) == 0) {
				// fin de ligne
				echo "</tr><tr>\n";
			}
		} else {
			// on a dépassé la page, stop
			break;
		}
	}
	$c += 1;
}
echo "</tr></table>\n";

// navigation
if ($page > 1) {
	echo "<a href='?page=" . ($page-1) ."'> prev </a>";
}
echo "<a href='?page=" . ($page + 1) . "'> next </a>\n";

?>

</pre>

</body>
</html>
	<html>

	<head>
	<title> static images </title>
	</head>

	<body>
	<pre>

	<?php

	function make_thumb($src, $dest, $desired_width) {

	/* read the source image */
	// $source_image = imagecreatefromjpeg($src);
	$source_image = imagecreatefromstring ( file_get_contents($src) );
	$width = imagesx($source_image);
	$height = imagesy($source_image);

	/* find the "desired height" of this thumbnail, relative to the desired width */
	if ($height > $width) {
	$desired_height = $desired_width;
	$desired_width = floor($width * ($desired_height / $height));
	} else {
	$desired_height = floor($height * ($desired_width / $width));
	}

	/* create a new, "virtual" image */
	$virtual_image = imagecreatetruecolor($desired_width, $desired_height);

	/* copy source image at a resized size */
	imagecopyresampled($virtual_image, $source_image, 0, 0, 0, 0, $desired_width, $desired_height, $width, $height);

	/* create the physical thumbnail image to its destination */
	imagejpeg($virtual_image, $dest);
	}


	/** display images */
	$IMG_PATTERN = "*.{jpg,JPG,jpeg,png,PNG,gif,GIF}";
	$W = 4; // page width
	$H = 6; // page height
	$PAGE_SIZE = $W * $H;
	$THUMBS='thumbs'; // thumbnails directory

	if (! is_dir($THUMBS)) {
	mkdir($THUMBS);
	}

	if (isset( $_GET['page'] ) ) {
	$start = ( ($_GET['page'] - 1) * $PAGE_SIZE ) + 1; // numéro d'image de départ
	$page = $_GET['page']; // numéro de page
	} else {
	$start = 1;
	$page = 1;
	}

	// navigation
	if ($page > 1) {
	echo "<a href='?page=" . ($page-1) ."'> prev </a>";
	}
	echo "<a href='?page=" . ($page + 1) . "'> next </a>\n";

	// table d'images de la page
	$c = 1;
	echo "<table><tr>";
	foreach (glob($IMG_PATTERN, GLOB_BRACE) as $filename) {
	if ($c >= $start) {
	if ($c < $start + $PAGE_SIZE) {
	// on est dans la page à afficher
	// get thumbnail path
	$filename_no_ext = reset(explode('.', $filename));
	$thumbnail = $THUMBS . '/' . $filename_no_ext . '.jpg';
	if (! is_file($thumbnail) ) {
	// create thumbnail
	make_thumb ($filename, $thumbnail, 150);
	}
	// affiche thum et lien image
	echo "\t<td> <a href='$filename'><img src='$thumbnail'><br/>$filename</a> </td>\n";
	if (( ($c-$start+1) % $W) == 0) {
	// fin de ligne
	echo "</tr><tr>\n";
	}
	} else {
	// on a dépassé la page, stop
	break;
	}
	}
	$c += 1;
	}
	echo "</tr></table>\n";

	// navigation
	if ($page > 1) {
	echo "<a href='?page=" . ($page-1) ."'> prev </a>";
	}
	echo "<a href='?page=" . ($page + 1) . "'> next </a>\n";

	?>

	</pre>

	</body>
	</html>