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Add initial support for PDF thumbnails

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This commit is contained in:
Nathan Gray 2015-02-12 18:24:47 +00:00
parent 42a28d1343
commit e1e870c174
2 changed files with 35 additions and 5 deletions
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34
etemplate/thumbnail.php
View File

@ -308,12 +308,18 @@ function gd_image_load($file)
return imagecreatefromwbmp($file);
}
}
else if ($type == 'application' && strpos($image_type,'vnd.oasis.opendocument.') === 0)
else if ($type == 'application')
{
if(strpos($image_type,'vnd.oasis.opendocument.') === 0)
{
// OpenDocuments have thumbnails inside already
return get_opendocument_thumbnail($file);
}
else if($image_type == 'pdf')
{
return get_pdf_thumbnail($file);
}
}
return false;
}
@ -366,6 +372,30 @@ function get_opendocument_thumbnail($file)
return $image;
}
/**
* Extract the thumbnail from a PDF file and apply a colored mask
* so you can tell what type it is, and so it looks a little better in larger
* thumbnails (eg: in tiled view).
*
* Requires ImageMagick & ghostscript.
*
* @param string $file
* @return resource GD image
*/
function get_pdf_thumbnail($file)
{
if(!class_exists('Imagick')) return false;
$im = new Imagick($file);
$im->setimageformat('png');
$im->setresolution(300, 300);
$gd = imagecreatefromstring($im->getimageblob());
//$mask = imagecreatefrompng('templates/default/images/mask_pdf.png');
//imagecopyresampled($image, $mask,0,0,0,0,imagesx($mask),imagesy($mask),imagesx($mask),imagesy($mask));
return $gd;
}
/**
* Create an gd_image with transparent background.
*

2
phpgwapi/js/jsapi/egw_images.js
View File

@ -135,7 +135,7 @@ egw.extend('images', egw.MODULE_GLOBAL, function() {
}
else if (typeof _path == 'string' && (type[0] == 'image' && type[1].match(/^(png|jpe?g|gif|bmp)$/) ||
type[0] == 'application' && type[1].indexOf('vnd.oasis.opendocument.') === 0))
type[0] == 'application' && (type[1].indexOf('vnd.oasis.opendocument.') === 0 || type[1] == 'pdf')))
{
var thsize = this.config('link_list_thumbnail') || 64;
image = this.link('/etemplate/thumbnail.php',{ 'path': _path, 'thsize': thsize});