archive/piwigo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

multi size external imagemagick use 4:2:2 chroma subsampling as imagick extension (reduce file size by 20-30% with "almost" no human perception)

Browse source 
git-svn-id: http://piwigo.org/svn/trunk@14723 68402e56-0260-453c-a942-63ccdbb3a9ee
This commit is contained in:
rvelices 2012-05-03 18:07:51 +00:00
commit c8827c24a4
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
admin/include/image.class.php
View file

@ -601,6 +601,8 @@ class image_ext_imagick implements imageInterface
function write($destination_filepath) function write($destination_filepath)
{ {
$this->add_command('interlace', 'line'); // progressive rendering $this->add_command('interlace', 'line'); // progressive rendering
// use 4:2:2 chroma subsampling (reduce file size by 20-30% with "almost" no human perception)
$this->add_command('sampling-factor', '4:2:2' );
$exec = $this->imagickdir.'convert'; $exec = $this->imagickdir.'convert';
$exec .= ' "'.realpath($this->source_filepath).'"'; $exec .= ' "'.realpath($this->source_filepath).'"';