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+--- Thread: Processing Multiple Images? (/showthread.php?tid=30440)
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Processing Multiple Images? - El Forum - 05-14-2010
[eluser]Pawel K[/eluser]
I have been trying to use the image library to resize an image in to a 400x400 thumbnail as well as a 200x200 thumb. I am able to do only the first image, I would appreciate any help in understanding why this is happening.
Code:
$image_info = $this->upload->data();
$uploaded_name = $image_info['raw_name'];
$uploaded_ext = $image_info['file_ext'];
chmod($image_info['full_path'], 0777);
$thumb_name = $image_info['raw_name']."-thumb".$image_info['file_ext'];
$big_name = $image_info['raw_name']."-main".$image_info['file_ext'];
#Main Image
$config['image_library'] = 'gd2';
$config['source_image'] = $image_info['full_path'];
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = TRUE;
$config['width'] = $this->config->item('img_width');
$config['height'] = $this->config->item('img_height');
$config['new_image'] = $big_name;
$this->load->library('image_lib', $config);
$this->image_lib->resize();
#Thumb Image
$config['image_library'] = 'gd';
$config['source_image'] = $image_info['file_path'].$big_name;
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = FALSE;
$config['width'] = $this->config->item('thumb_width');
$config['height'] = $this->config->item('thumb_height');
$config['new_image'] = $thumb_name;
$this->load->library('image_lib', $config);
$this->image_lib->resize();
$this->image_lib->clear();
echo "Image 1 errors:".$this->image_lib->display_errors()."<br>";
#Post Data
$prod_name = $this->input->post('product_name');
$prod_description = $this->input->post('product_desc');
$prod_price = $this->input->post('product_price');
$prod_cat = $this->input->post('category');Only the first thumbnail (main) gets created. The second one doesn't. No errors show up.
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]pickupman[/eluser]
User guide is your friend.
Code:
$this->image_lib->clear();Quote:The clear function resets all of the values used when processing an image. You will want to call this if you are processing images in a loop.
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]Pawel K[/eluser]
I should have said I used that but had same issue although an error would popup that the library doesnt support your image type:
Code:
else
{
$image_info = $this->upload->data();
$uploaded_name = $image_info['raw_name'];
$uploaded_ext = $image_info['file_ext'];
chmod($image_info['full_path'], 0777);
$thumb_name = $image_info['raw_name']."-thumb".$image_info['file_ext'];
$big_name = $image_info['raw_name']."-main".$image_info['file_ext'];
#Main Image
$config['image_library'] = 'gd2';
$config['source_image'] = $image_info['full_path'];
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = TRUE;
$config['width'] = $this->config->item('img_width');
$config['height'] = $this->config->item('img_height');
$config['new_image'] = $big_name;
$this->load->library('image_lib', $config);
$this->image_lib->resize();
$this->image_lib->clear();
#Thumb Image
$config['image_library'] = 'gd';
$config['source_image'] = $image_info['file_path'].$big_name;
$config['create_thumb'] = FALSE;
$config['maintain_ratio'] = FALSE;
$config['width'] = $this->config->item('thumb_width');
$config['height'] = $this->config->item('thumb_height');
$config['new_image'] = $thumb_name;
$this->load->library('image_lib', $config);
$this->image_lib->resize();
echo "Image 1 errors:".$this->image_lib->display_errors()."<br>";
#Post Data
$prod_name = $this->input->post('product_name');
$prod_description = $this->input->post('product_desc');
$prod_price = $this->input->post('product_price');
$prod_cat = $this->input->post('category');
#Get Cat lft/rgt values
$cat_get_query = $this->db->query("SELECT * FROM category WHERE id=$prod_cat");
$cat_get_row = $cat_get_query->row();
$cat_left = $cat_get_row->lft;
$cat_right = $cat_get_row->rgt;
$this->db->query("INSERT INTO products (name, description, image, image_ext, price, cat_id, lft, rgt) VALUES ('$prod_name', '$prod_description', '$uploaded_name', '$uploaded_ext', '$prod_price', '$prod_cat', '$cat_left', '$cat_right')");
#Load Successful Page
$this->load->view('admin_add_success');
}Erorr: Your server does not support the GD function required to process this type of image.
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]pickupman[/eluser]
Shouldn't it be:
Code:
$this->image_lib->clear();
#Thumb Image
$config['image_library'] = 'gd2'; //not gdYou have it right for the first image, but a typo for the 2nd.
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]Pawel K[/eluser]
It should be, that was part of me debugging. gd2 does the same thing.
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]pickupman[/eluser]
Can you var_dump the uploaded data to see if the image resources are still available after being processed the first time?
Processing Multiple Images? - El Forum - 05-14-2010
[eluser]Pawel K[/eluser]
Not sure what you mean by var_dump. print_r($image_info); after the last image is processed produces:
Code:
Array (
[file_name] => 1273890547.jpg
[file_type] => image/jpeg [file_path] => /home/----//public_html/cart/images/products/
[full_path] => /home/----//public_html/cart/images/products/1273890547.jpg
[raw_name] => 1273890547
[orig_name] => 1273890547.jpg
[file_ext] => .jpg
[file_size] => 25.88
[is_image] => 1
[image_width] => 400
[image_height] => 300
[image_type] => jpeg
[image_size_str] => width="400" height="300"
)echo $config['source_image']; produces:
Code:
/home/----/public_html/cart/images/products/1273890641-main.jpgThe file 1273890641-main.jpg is on the server in the right place with permissions 777.
I'm not sure if this is what you are looking for, my apologies if it isn't.
Processing Multiple Images? - El Forum - 07-27-2010
[eluser]atlanta[/eluser]
Pawel K did you ever find out anything on this ?
Processing Multiple Images? - El Forum - 07-27-2010
[eluser]atlanta[/eluser]
Hey Pawel K,
I finally found it on the 2nd, 3rd , etc calls instead of doing
$this->load->library('image_lib', $config);
do
$this->image_lib->initialize($config);
and that will load the new config files.
Processing Multiple Images? - El Forum - 02-10-2011
[eluser]Unknown[/eluser]
Thank you! This thread helped solve my image resizing woes with the CI 2.0 image manipulation class. I was trying to resize a few images in a loop and the docs weren't very clear about how to accomplish this. Here's how I did it:
Code:
$this->load->library('image_lib');
$imgs = array('img_1.jpg', 'img_2.jpg', 'img_3.jpg');
foreach($imgs as $img)
{
$config['source_image'] = $img;
$config['width'] = 800;
$config['height'] = 600;
$config['new_image'] = '/resized/' . $img;
$this->image_lib->initialize($config);
$this->image_lib->resize();
$this->image_lib->clear();
}