I have a Mysql database with data about images in it. The important
field is URL which has the name of the image in the images folder. I
can get this from the datbase and I then want to use the php image
resize class (copied below) to resize the image on the fly. so the PHP
code will be something like:
while(list($url) = mysql_fetch_row($result)) {
$image = "/home/richsnap/public_html/ecozenhtml/images/$url";
etc...
I then want to use the following class (which I got from
code.google.com) to resize the image on the fly:
<?php
/**
* Manage Image Fucntions
*
*/
class Image {
var $width;
var $height;
var $thumb_width;
var $thumb_height;
var $maxSize = array();
function Image($folder='', $width='', $height='', $thumb_width='',
$thumb_height=''){
$this->folder = $folder;
$this->width = $width;
$this->height = $height;
$this->thumb_width = $thumb_width;
$this->thumb_height = $thumb_height;
}
function MaxSize($size){
$this->maxSize = $size;
}
//calculates how to stuff a big img into a lil space
function CalcSize($CurH,$CurW,$MaxH,$MaxW) {
$HRatio = $CurH/$MaxH;
$WRatio = $CurW/$MaxW;
if($HRatio > $WRatio){
$result[0] = floor($CurW*($MaxH/$CurH));
$result[1] = $MaxH;
}else{
$result[0] = $MaxW;
$result[1] = floor($CurH*($MaxW/$CurW));
}
return($result);
}
function Resize($img,$target='', $type='full', $quality=80){
// create an image of the given filetype
if (strpos($img,".jpg") !== false or strpos($img,".jpeg") !== false) {
$image = @imagecreatefromjpeg($img);
$extension = ".jpg";
} elseif (strpos($img,".png") !== false) {
$image = @imagecreatefrompng($img);
$extension = ".png";
} elseif (strpos($img,".gif") !== false) {
$image = @imagecreatefromgif($img);
$extension = ".gif";
}
if (!$image)
return false;
$size = getimagesize ($img);
if ($size[1] >= $this->maxSize[1] || $size[0] >= $this->maxSize[0]){
// calculate missing values
$size2 = $this->CalcSize($size[1],$size[0],$this->maxSize[1],$this->maxSize[0]);
$width = $size2[0];
$height = $size2[1];
}else{
$width = $size[0];
$height = $size[1];
}
$thumb = imagecreatetruecolor ($width, $height);
if (function_exists("imagecopyresampled")){
if (!@imagecopyresampled($thumb, $image, 0, 0, 0, 0, $width,
$height, $size[0], $size[1])) {
imagecopyresized($thumb, $image, 0, 0, 0, 0, $width, $height,
$size[0], $size[1]);
}
}else{
imagecopyresized($thumb, $image, 0, 0, 0, 0, $width, $height,
$size[0], $size[1]);
}
if (!$target) {
$target = "temp".$extension;
}
switch($type){
case 'full':
$this->width = $width;
$this->height = $height;
break;
case 'thumb':
$this->thumb_width = $width;
$this->thumb_height = $height;
break;
}
$return = true;
switch ($extension) {
case ".jpg":
imagejpeg($thumb, $target, $quality);
break;
case ".gif":
imagegif($thumb, $target);
break;
case ".png":
imagepng($thumb, $target);
break;
default:
$return = false;
}
// report the success (or fail) of the action
return $return;
}
function Rotate($degrees){
for ($i=0; $i<2; $i++){
$img = DIR_PICTURES . $this->gallery_id . '/';
if ($i > 0)
$img .= 'thumbs/';
$img .= $this->name;
if (strpos($img,".jpg") !== false or strpos($img,".jpeg") !== false) {
$source = imagecreatefromjpeg($img);
$extension = ".jpg";
} elseif (strpos($img,".png") !== false) {
$source = ImageCreateFromPng($img);
$extension = ".png";
} elseif (strpos($img,".gif") !== false) {
$source = ImageCreateFromGif($img);
$extension = ".gif";
}
// Rotate
$rotate = imagerotate($source, $degrees, 0);
$return = 'The Image has successfully been rotated';
switch ($extension) {
case ".jpg":
imagejpeg($rotate, $img, 100);
break;
case ".gif":
imagegif($rotate, $img);
break;
case ".png":
imagepng($rotate, $img);
break;
default:
$return = 'Image could not be rotated, Please try again.';
}
clearstatcache();
$size = getimagesize ($img);
if ($i > 0){
$this->thumb_width = $size[0];
$this->thumb_height = $size[1];
}else{
$this->width = $size[0];
$this->height = $size[1];
}
// report the success (or fail) of the action
}
return $return;
}
}
?>
how can I do this? I would like to be bale to do somehting like:
print("<img src='resizeimage(120,120)$display'>").
Thanks |