Added entry for classes/imgsize.php
pecesama
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30f76eecd6
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1304ab1eee
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@ -1,94 +1,94 @@
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<?php
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<?php
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if(!defined('entry') || !entry) die('Not a valid page');
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if(!defined('entry')) define('entry',true);
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header ("Content-type: image/jpeg");
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header ("Content-type: image/jpeg");
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header('Cache-Control: max-age=172800, must-revalidate');
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header('Cache-Control: max-age=172800, must-revalidate');
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header('Expires: ' . date('r', time()+120));
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header('Expires: ' . date('r', time()+120));
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/*
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/*
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JPEG / PNG Image Resizer
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JPEG / PNG Image Resizer
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Parameters (passed via URL):
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Parameters (passed via URL):
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img = path / url of jpeg or png image file
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img = path / url of jpeg or png image file
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percent = if this is defined, image is resized by it's
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percent = if this is defined, image is resized by it's
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value in percent (i.e. 50 to divide by 50 percent)
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value in percent (i.e. 50 to divide by 50 percent)
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w = image width
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w = image width
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h = image height
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h = image height
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constrain = if this is parameter is passed and w and h are set
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constrain = if this is parameter is passed and w and h are set
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to a size value then the size of the resulting image
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to a size value then the size of the resulting image
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is constrained by whichever dimension is smaller
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is constrained by whichever dimension is smaller
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Requires the PHP GD Extension
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Requires the PHP GD Extension
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Outputs the resulting image in JPEG Format
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Outputs the resulting image in JPEG Format
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By: Michael John G. Lopez - www.sydel.net
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By: Michael John G. Lopez - www.sydel.net
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Filename : imgsize.php
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Filename : imgsize.php
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*/
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*/
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$img = $_GET['img'];
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$img = $_GET['img'];
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$percent = $_GET['percent'];
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$percent = $_GET['percent'];
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$constrain = $_GET['constrain'];
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$constrain = $_GET['constrain'];
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$w = $_GET['w'];
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$w = $_GET['w'];
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$h = $_GET['h'];
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$h = $_GET['h'];
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// get image size of img
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// get image size of img
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$x = @getimagesize($img);
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$x = @getimagesize($img);
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// image width
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// image width
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$sw = $x[0];
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$sw = $x[0];
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// image height
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// image height
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$sh = $x[1];
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$sh = $x[1];
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if ($percent > 0) {
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if ($percent > 0) {
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// calculate resized height and width if percent is defined
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// calculate resized height and width if percent is defined
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$percent = $percent * 0.01;
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$percent = $percent * 0.01;
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$w = $sw * $percent;
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$w = $sw * $percent;
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$h = $sh * $percent;
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$h = $sh * $percent;
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} else {
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} else {
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if (isset ($w) AND !isset ($h)) {
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if (isset ($w) AND !isset ($h)) {
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// autocompute height if only width is set
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// autocompute height if only width is set
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$h = (100 / ($sw / $w)) * .01;
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$h = (100 / ($sw / $w)) * .01;
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$h = @round ($sh * $h);
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$h = @round ($sh * $h);
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} elseif (isset ($h) AND !isset ($w)) {
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} elseif (isset ($h) AND !isset ($w)) {
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// autocompute width if only height is set
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// autocompute width if only height is set
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$w = (100 / ($sh / $h)) * .01;
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$w = (100 / ($sh / $h)) * .01;
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$w = @round ($sw * $w);
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$w = @round ($sw * $w);
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} elseif (isset ($h) AND isset ($w) AND isset ($constrain)) {
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} elseif (isset ($h) AND isset ($w) AND isset ($constrain)) {
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// get the smaller resulting image dimension if both height
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// get the smaller resulting image dimension if both height
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// and width are set and $constrain is also set
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// and width are set and $constrain is also set
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$hx = (100 / ($sw / $w)) * .01;
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$hx = (100 / ($sw / $w)) * .01;
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$hx = @round ($sh * $hx);
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$hx = @round ($sh * $hx);
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$wx = (100 / ($sh / $h)) * .01;
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$wx = (100 / ($sh / $h)) * .01;
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$wx = @round ($sw * $wx);
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$wx = @round ($sw * $wx);
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if ($hx < $h) {
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if ($hx < $h) {
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$h = (100 / ($sw / $w)) * .01;
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$h = (100 / ($sw / $w)) * .01;
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$h = @round ($sh * $h);
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$h = @round ($sh * $h);
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} else {
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} else {
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$w = (100 / ($sh / $h)) * .01;
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$w = (100 / ($sh / $h)) * .01;
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$w = @round ($sw * $w);
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$w = @round ($sw * $w);
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}
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}
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}
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}
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}
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}
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$im = @ImageCreateFromJPEG ($img) or // Read JPEG Image
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$im = @ImageCreateFromJPEG ($img) or // Read JPEG Image
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$im = @ImageCreateFromPNG ($img) or // or PNG Image
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$im = @ImageCreateFromPNG ($img) or // or PNG Image
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$im = @ImageCreateFromGIF ($img) or // or GIF Image
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$im = @ImageCreateFromGIF ($img) or // or GIF Image
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$im = false; // If image is not JPEG, PNG, or GIF
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$im = false; // If image is not JPEG, PNG, or GIF
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if (!$im) {
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if (!$im) {
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// We get errors from PHP's ImageCreate functions...
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// We get errors from PHP's ImageCreate functions...
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// So let's echo back the contents of the actual image.
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// So let's echo back the contents of the actual image.
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readfile ($img);
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readfile ($img);
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} else {
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} else {
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// Create the resized image destination
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// Create the resized image destination
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$thumb = @ImageCreateTrueColor ($w, $h);
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$thumb = @ImageCreateTrueColor ($w, $h);
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// Copy from image source, resize it, and paste to image destination
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// Copy from image source, resize it, and paste to image destination
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@ImageCopyResampled ($thumb, $im, 0, 0, 0, 0, $w, $h, $sw, $sh);
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@ImageCopyResampled ($thumb, $im, 0, 0, 0, 0, $w, $h, $sw, $sh);
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// Output resized image
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// Output resized image
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@ImageJPEG ($thumb);
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@ImageJPEG ($thumb);
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}
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}
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?>
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?>
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@ -2,8 +2,10 @@
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if(!defined('entry') || !entry) die('Not a valid page');
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if(!defined('entry') || !entry) die('Not a valid page');
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/*
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/*
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* Created on Sep 15, 2007
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* Created on Sep 15, 2007
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* Modified on Sep 22, 2007
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*
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*
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* Known Entry Points
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* Known Entry Points
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* api.php
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* install.php
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* install.php
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* index.php
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* index.php
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* login.php
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* login.php
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@ -17,7 +19,8 @@
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* admin/admin.php
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* admin/admin.php
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* admin/comments.php
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* admin/comments.php
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* admin/users.php
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* admin/users.php
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*admin/form.autosave.php
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* admin/form.autosave.php
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* classes/imgsize.php
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*/
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*/
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