users can add pictures to their profiles; users can like and dislike videos

[living-lab-site.git] / application / libraries / Image.php

diff --git a/application/libraries/Image.php b/application/libraries/Image.php
index c4cd5fe..dda9368 100644 (file)
--- a/application/libraries/Image.php
+++ b/application/libraries/Image.php
@@ -8,6 +8,8 @@
  * @copyright  2006 Simon Jarvis, 2011 Călin-Andrei Burloiu
  */
 
+define('IMAGETYPE_AUTO', 0);
+
 class Image {
         
        var $image;
@@ -25,6 +27,16 @@ class Image {
                }
        }
        function save($filename, $image_type=IMAGETYPE_JPEG, $compression=60, $permissions=null) {
+               if( $image_type == IMAGETYPE_AUTO) {
+                       if (preg_match('/\.jpg$/', $filename) 
+                                       || preg_match('/\.jpeg$/', $filename))
+                               $image_type = IMAGETYPE_JPEG;
+                       elseif (preg_match('/\.gif$/', $filename))
+                               $image_type = IMAGETYPE_GIF;
+                       elseif (preg_match('/\.png$/', $filename))
+                               $image_type = IMAGETYPE_PNG;
+               }
+               
                if( $image_type == IMAGETYPE_JPEG ) {
                        imagejpeg($this->image,$filename,$compression);
                } elseif( $image_type == IMAGETYPE_GIF ) {
@@ -32,6 +44,7 @@ class Image {
                } elseif( $image_type == IMAGETYPE_PNG ) {
                        imagepng($this->image,$filename);
                }
+               
                if( $permissions != null) {
                        chmod($filename,$permissions);
                }
@@ -45,42 +58,43 @@ class Image {
                        imagepng($this->image);
                }
        }
-       function saveThumbnail($filename, $width, $height)
+       function save_thumbnail($filename, $width, $height,
+                       $image_type=IMAGETYPE_JPEG)
        {
-               $ratio = $this->getWidth() / $this->getHeight();
+               $ratio = $this->get_width() / $this->get_height();
                $thumbRatio = $width / $height;
 
                if($ratio < $thumbRatio)
-               $this->resizeToHeight($height);
+                       $this->resize_to_height($height);
                else
-               $this->resizeToWidth($width);
+                       $this->resize_to_width($width);
 
-               $this->save($filename);
+               $this->save($filename, $image_type);
        }
-       function getWidth() {
+       function get_width() {
                return imagesx($this->image);
        }
-       function getHeight() {
+       function get_height() {
                return imagesy($this->image);
        }
-       function resizeToHeight($height) {
-               $ratio = $height / $this->getHeight();
-               $width = $this->getWidth() * $ratio;
+       function resize_to_height($height) {
+               $ratio = $height / $this->get_height();
+               $width = $this->get_width() * $ratio;
                $this->resize($width,$height);
        }
-       function resizeToWidth($width) {
-               $ratio = $width / $this->getWidth();
-               $height = $this->getheight() * $ratio;
+       function resize_to_width($width) {
+               $ratio = $width / $this->get_width();
+               $height = $this->get_height() * $ratio;
                $this->resize($width,$height);
        }
        function scale($scale) {
-               $width = $this->getWidth() * $scale/100;
-               $height = $this->getheight() * $scale/100;
+               $width = $this->get_width() * $scale/100;
+               $height = $this->get_height() * $scale/100;
                $this->resize($width,$height);
        }
        function resize($width,$height) {
                $new_image = imagecreatetruecolor($width, $height);
-               imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->getWidth(), $this->getHeight());
+               imagecopyresampled($new_image, $this->image, 0, 0, 0, 0, $width, $height, $this->get_width(), $this->get_height());
                $this->image = $new_image;
        }
 }