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-rw-r--r--admin/include/functions_upload.inc.php30
1 files changed, 27 insertions, 3 deletions
diff --git a/admin/include/functions_upload.inc.php b/admin/include/functions_upload.inc.php
index eeec315d4..24400c5f5 100644
--- a/admin/include/functions_upload.inc.php
+++ b/admin/include/functions_upload.inc.php
@@ -239,6 +239,10 @@ SELECT
{
$file_path.= 'png';
}
+ elseif (IMAGETYPE_GIF == $type)
+ {
+ $file_path.= 'gif';
+ }
else
{
$file_path.= 'jpg';
@@ -478,6 +482,8 @@ function get_resize_dimensions($width, $height, $max_width, $max_height, $rotati
$ratio_width = $width / $max_width;
$ratio_height = $height / $max_height;
+ $destination_width = $width;
+ $destination_height = $height;
// maximal size exceeded ?
if ($ratio_width > 1 or $ratio_height > 1)
@@ -513,7 +519,9 @@ function pwg_image_resize($result, $source_filepath, $destination_filepath, $max
return $result;
}
- if (is_imagick())
+ $extension = strtolower(get_extension($source_filepath));
+
+ if (is_imagick() and $extension != 'gif')
{
return pwg_image_resize_im($source_filepath, $destination_filepath, $max_width, $max_height, $quality, $strip_metadata);
}
@@ -530,6 +538,8 @@ function pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width
return false;
}
+ $gd_info = gd_info();
+
// extension of the picture filename
$extension = strtolower(get_extension($source_filepath));
@@ -542,9 +552,13 @@ function pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width
{
$source_image = imagecreatefrompng($source_filepath);
}
+ elseif ($extension == 'gif' and $gd_info['GIF Read Support'] and $gd_info['GIF Create Support'])
+ {
+ $source_image = imagecreatefromgif($source_filepath);
+ }
else
{
- die('unsupported file extension');
+ die('[GD] unsupported file extension');
}
$rotation = null;
@@ -594,6 +608,10 @@ function pwg_image_resize_gd($source_filepath, $destination_filepath, $max_width
{
imagepng($destination_image, $destination_filepath);
}
+ elseif ($extension == 'gif')
+ {
+ imagegif($destination_image, $destination_filepath);
+ }
else
{
imagejpeg($destination_image, $destination_filepath, $quality);
@@ -667,6 +685,12 @@ function get_rotation_angle($source_filepath)
{
return null;
}
+
+ list($width, $height, $type) = getimagesize($source_filepath);
+ if (IMAGETYPE_JPEG != $type)
+ {
+ return null;
+ }
if (!function_exists('exif_read_data'))
{
@@ -711,7 +735,7 @@ function pwg_image_infos($path)
function is_valid_image_extension($extension)
{
- return in_array(strtolower($extension), array('jpg', 'jpeg', 'png'));
+ return in_array(strtolower($extension), array('jpg', 'jpeg', 'png', 'gif'));
}
function file_upload_error_message($error_code)