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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* SSL Helpers
*
* @author dkmaurya
* @version 1.0
* @license MIT License Copyright (c) 2010
*/
// ------------------------------------------------------------------------
if ( ! function_exists('Image_thumb'))
{
/*
R - Image Resizing
C - Image Cropping
X - Image Rotation
W - Image Watermarking
$config['master_dim'] options = auto, width, height
echo $this->image_lib->display_errors();
$this->image_lib->display_errors('<p>', '</p>');
echo get_image('album_images',$row->photo1,200,150,'R');
R, AR
*/
function Image_thumb($thumb=array(),$perform='R')
{
$ci = &get_instance();
$ci->load->library('image_lib');
$config['image_library'] = 'gd2';
$config['create_thumb'] = TRUE;
$config['thumb_marker'] = FALSE;
$config['source_image'] = $thumb['source_path'].$thumb['org_image'];
$config['width'] = $thumb['width'];
$config['height'] = $thumb['height'];
$thum_img_name = "thumb_".$thumb['width']."_".$thumb['height']."_".$thumb['org_image'];
$config['new_image'] = THUMB_DIR."/".$thum_img_name;
if(!file_exists(THUMB_DIR."/".$thum_img_name) )
{
if ( $perform=='C')
{
list($original_width, $original_height, $file_type, $attr) = @getimagesize($config['source_image']);
/*
use if you want to crop image from centre
$crop_x = ($original_width / 2) - ($thumb['width'] / 2);
$crop_y = ($original_height / 2) - ($thumb['height'] / 2);
$config['x_axis'] = $thumb['width'];
$config['y_axis'] = $thumb['height'];
*/
$ratio = $original_width/$original_height;
$thumbRatio = $thumb['width'] / $thumb['height'];
if( $ratio < $thumbRatio )
{
$srcHeight = round($original_height*$ratio/$thumbRatio);
$config['y_axis'] = round(($original_height-$srcHeight)/2);
} else
{
$srcWidth = round($original_width*$thumbRatio/$ratio);
$config['x_axis'] = round(($original_width-$srcWidth)/2);
}
$config['maintain_ratio'] = FALSE;
$ci->image_lib->initialize($config);
$ci->image_lib->crop();
$ci->image_lib->clear();
}
if ( $perform=='AR')
{
$config['ar_width'] = $thumb['width'];
$config['ar_height'] = $thumb['height'];
$config['maintain_ratio'] = FALSE;
$config['master_dim'] = "height";
if ($thumb['width'] > $thumb['height'] )
{
$config['master_dim'] = "width";
}
$ci->image_lib->initialize($config);
$ci->image_lib->adaptive_resize();
$ci->image_lib->clear();
}
if ( $perform=='R')
{
list($original_width, $original_height, $file_type, $attr) = @getimagesize($config['source_image']);
$config['width'] = ( $thumb['width'] >=$original_width ) ? $original_width : $thumb['width'] ;
$config['height'] = ( $thumb['height'] >=$original_height ) ? $original_height : $thumb['height'] ;
$config['maintain_ratio'] = TRUE;
$ci->image_lib->initialize($config);
$ci->image_lib->resize();
$ci->image_lib->clear();
}
}
}
}
if ( ! function_exists('get_image'))
{
function get_image($dir="",$image="",$w=50,$h=50,$option='R')
{
$ci = &get_instance();
$ci->load->helper(array('thumbnail'));
//$the_img = theme_url()."images/noimg1.gif";
$the_img = base_url()."webroot/front/images_not_found.jpg";
if($dir!='')
{
$thumbc = array();
$thumbc['width'] = $w;
$thumbc['height'] = $h;
$thumbc['source_path'] = UPLOAD_DIR.'/'.$dir.'/';
$file_path = UPLOAD_DIR.'/'.$dir."/$image";
echo file_exists($file_path); die;
if($image!="" && file_exists($file_path))
{
$thumbc['org_image'] = $image;
Image_thumb($thumbc,$option);
$cache_file = "thumb_".$thumbc['width']."_".$thumbc['height']."_".$image;
$imgbCachePath = UPLOAD_DIR."/thumb_cache/".$cache_file;
if( ($image!='') && ( file_exists($imgbCachePath) ) )
{
$the_img = THUMB_DIR.$cache_file;
}
}else
{
$thumbc = array();
$thumbc['width'] = $w;
$thumbc['height'] = $h;
$thumbc['source_path'] = UPLOAD_DIR."front/";
$thumbc['org_image'] = "images_not_found.jpg";
Image_thumb($thumbc,$option);
$cache_file = "thumb_".$thumbc['width']."_".$thumbc['height']."_".$thumbc['org_image'];
$imgbCachePath = UPLOAD_DIR."/thumb_cache/".$cache_file;
if( file_exists($imgbCachePath) )
{
$the_img = THUMB_DIR.$cache_file;
}
}
}
return $the_img;
}
}
/* End of file thumbnail_helper.php */
/* Location: ./application/helpers/thumbnail_helper.php */