[ansel] Patch to create thumbnail from EXIF data

[Heath S. Hendrickson]

Okay, ignore this patch... I just found why I was getting PNG files...  
lemme fix it and resubmit.

heath

Heath S. Hendrickson wrote:

> Okay, so hopefully this patch is a lot more useful than my watermark 
> one...(gotta start somewhere, right).
>
> Anyway, this is a patch to try and create the thumbnail image from the 
> embedded EXIF thumbnail using the native PHP exif_thumbnail command.  
> I used the thumbnail preference sizes, but let it default to the 
> format (the _thumb files created for me were PNG, which seems odd but 
> I'm okay with that).
>
> I found this necessary as images from my DSLR are generally 2MB in 
> size and it takes _forever_ to create the thumbnails using resize.  
> This still won't speed up the creating of the screen resolution images 
> any, but it's a start.
>
> Can someone please test this out and verify that it's working properly?
>
> heath
>
>
> ---- patch for Image.php ----
> [root at space lib]# cvs diff Image.php
> Index: Image.php
> ===================================================================
> RCS file: /usr/local/horde/cvs/ansel/lib/Image.php,v
> retrieving revision 1.18
> diff -r1.18 Image.php
> 117,120c117,126
> <             $dimensions = $this->_image->getDimensions();
> <             
> $this->_image->resize(min($this->_gallery->get('thumbnail_width'), 
> $dimensions['width']),
> <                                   
> min($this->_gallery->get('thumbnail_height'), $dimensions['height']),
> <                                   true);
> ---
> >             // Modified to look for a thumbnail in the EXIF data
> >             $image = exif_thumbnail($data, 
> $this->_gallery->get('thumbnail_width'),
> >                                     
> $this->_gallery->get('thumbnail_height'));
> >             if ($image==false) {
> >                // no thumbnail available, continue to create our own
> >                $dimensions = $this->_image->getDimensions();
> >                
> $this->_image->resize(min($this->_gallery->get('thumbnail_width'), 
> $dimensions['width']),
> >                                      
> min($this->_gallery->get('thumbnail_height'), $dimensions['height']),
> >                                      true);
> >             }
> ------- end patch Image.php
>
>
>