/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
* @return true on successful generation
*/
static function generate($item)
{
if ($item->is_album()) {
if (!($cover = $item->album_cover())) {
return false;
}
$input_file = $cover->file_path();
$input_item = $cover;
} else {
$input_file = $item->file_path();
$input_item = $item;
}
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && !$item->is_album() && !$item->is_movie()) {
$ops["resize"] = $item->resize_path();
}
if (empty($ops)) {
$item->thumb_dirty = 0;
$item->resize_dirty = 0;
$item->save();
return true;
}
try {
foreach ($ops as $target => $output_file) {
if ($input_item->is_movie()) {
// Convert the movie to a JPG first
$output_file = preg_replace("/...\$/", "jpg", $output_file);
try {
movie::extract_frame($input_file, $output_file);
} catch (Exception $e) {
// Assuming this is MISSING_FFMPEG for now
copy(MODPATH . "gallery/images/missing_movie.png", $output_file);
}
$working_file = $output_file;
} else {
$working_file = $input_file;
}
foreach (ORM::factory("graphics_rule")->where("target", $target)->where("active", true)->orderby("priority", "asc")->find_all() as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args));
call_user_func_array(array("graphics", $rule->operation), $args);
$working_file = $output_file;
}
}
if (!empty($ops["thumb"])) {
$dims = getimagesize($item->thumb_path());
$item->thumb_width = $dims[0];
$item->thumb_height = $dims[1];
$item->thumb_dirty = 0;
}
if (!empty($ops["resize"])) {
$dims = getimagesize($item->resize_path());
$item->resize_width = $dims[0];
$item->resize_height = $dims[1];
$item->resize_dirty = 0;
}
$item->save();
} catch (Exception $e) {
// Something went wrong rebuilding the image. Leave it dirty and move on.
// @todo we should handle this better.
Kohana::log("error", "Caught exception rebuilding image: {$item->title}\n" . $e->getMessage() . "\n" . $e->getTraceAsString());
return false;
}
return true;
}
/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
*/
static function generate($item)
{
if ($item->is_album()) {
if (!($cover = $item->album_cover())) {
// This album has no cover; there's nothing to generate. Because of an old bug, it's
// possible that there's an album cover item id that points to an invalid item. In that
// case, just null out the album cover item id. It's not optimal to do that at this low
// level, but it's not trivial to find these cases quickly in an upgrade script and if we
// don't do this, the album may be permanently marked as "needs rebuilding"
//
// ref: http://sourceforge.net/apps/trac/gallery/ticket/1172
// http://gallery.menalto.com/node/96926
if ($item->album_cover_item_id) {
$item->album_cover_item_id = null;
$item->save();
}
return;
}
$input_file = $cover->file_path();
$input_item = $cover;
} else {
$input_file = $item->file_path();
$input_item = $item;
}
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && !$item->is_album() && !$item->is_movie()) {
$ops["resize"] = $item->resize_path();
}
if (empty($ops)) {
$item->thumb_dirty = 0;
$item->resize_dirty = 0;
$item->save();
return;
}
try {
foreach ($ops as $target => $output_file) {
if ($input_item->is_movie()) {
// Convert the movie filename to a JPG first, delete anything that might already be there
$output_file = legal_file::change_extension($output_file, "jpg");
unlink($output_file);
// Run movie_extract_frame events, which can either:
// - generate an output file, bypassing the ffmpeg-based movie::extract_frame
// - add to the options sent to movie::extract_frame (e.g. change frame extract time,
// add de-interlacing arguments to ffmpeg... see movie helper for more info)
// Note that the args are similar to those of the events in gallery_graphics
$movie_options_wrapper = new stdClass();
$movie_options_wrapper->movie_options = array();
module::event("movie_extract_frame", $input_file, $output_file, $movie_options_wrapper, $input_item);
// If no output_file generated by events, run movie::extract_frame with movie_options
clearstatcache();
if (@filesize($output_file) == 0) {
try {
movie::extract_frame($input_file, $output_file, $movie_options_wrapper->movie_options);
} catch (Exception $e) {
// Didn't work, likely because of MISSING_FFMPEG - copy missing_movie instead
copy(MODPATH . "gallery/images/missing_movie.jpg", $output_file);
}
}
$working_file = $output_file;
} else {
$working_file = $input_file;
}
foreach (self::_get_rules($target) as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args), $item);
call_user_func_array($rule->operation, $args);
$working_file = $output_file;
}
}
if (!empty($ops["thumb"])) {
if (file_exists($item->thumb_path())) {
$item->thumb_dirty = 0;
} else {
copy(MODPATH . "gallery/images/missing_photo.png", $item->thumb_path());
}
$dims = getimagesize($item->thumb_path());
$item->thumb_width = $dims[0];
$item->thumb_height = $dims[1];
}
if (!empty($ops["resize"])) {
if (file_exists($item->resize_path())) {
$item->resize_dirty = 0;
} else {
copy(MODPATH . "gallery/images/missing_photo.png", $item->resize_path());
}
$dims = getimagesize($item->resize_path());
$item->resize_width = $dims[0];
$item->resize_height = $dims[1];
}
$item->save();
} catch (Exception $e) {
// Something went wrong rebuilding the image. Leave it dirty and move on.
// @todo we should handle this better.
Kohana_Log::add("error", "Caught exception rebuilding image: {$item->title}\n" . $e->getMessage() . "\n" . $e->getTraceAsString());
throw $e;
}
}
/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
*/
static function generate($item)
{
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && $item->is_photo()) {
$ops["resize"] = $item->resize_path();
}
try {
foreach ($ops as $target => $output_file) {
$working_file = $item->file_path();
// Delete anything that might already be there
@unlink($output_file);
switch ($item->type) {
case "movie":
// Run movie_extract_frame events, which can either:
// - generate an output file, bypassing the ffmpeg-based movie::extract_frame
// - add to the options sent to movie::extract_frame (e.g. change frame extract time,
// add de-interlacing arguments to ffmpeg... see movie helper for more info)
// Note that the args are similar to those of the events in gallery_graphics
$movie_options_wrapper = new stdClass();
$movie_options_wrapper->movie_options = array();
module::event("movie_extract_frame", $working_file, $output_file, $movie_options_wrapper, $item);
// If no output_file generated by events, run movie::extract_frame with movie_options
clearstatcache();
if (@filesize($output_file) == 0) {
try {
movie::extract_frame($working_file, $output_file, $movie_options_wrapper->movie_options);
// If we're here, we know ffmpeg is installed and the movie is valid. Because the
// user may not always have had ffmpeg installed, the movie's width, height, and
// mime type may need updating. Let's use this opportunity to make sure they're
// correct. It's not optimal to do it at this low level, but it's not trivial to find
// these cases quickly in an upgrade script.
list($width, $height, $mime_type) = movie::get_file_metadata($working_file);
// Only set them if they need updating to avoid marking them as "changed"
if ($item->width != $width || $item->height != $height || $item->mime_type != $mime_type) {
$item->width = $width;
$item->height = $height;
$item->mime_type = $mime_type;
}
} catch (Exception $e) {
// Didn't work, likely because of MISSING_FFMPEG - use placeholder
graphics::_replace_image_with_placeholder($item, $target);
break;
}
}
$working_file = $output_file;
case "photo":
// Run the graphics rules (for both movies and photos)
foreach (self::_get_rules($target) as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args), $item);
call_user_func_array($rule->operation, $args);
$working_file = $output_file;
}
break;
case "album":
if (!($cover = $item->album_cover())) {
// This album has no cover; copy its placeholder image. Because of an old bug, it's
// possible that there's an album cover item id that points to an invalid item. In that
// case, just null out the album cover item id. It's not optimal to do that at this low
// level, but it's not trivial to find these cases quickly in an upgrade script and if we
// don't do this, the album may be permanently marked as "needs rebuilding"
//
// ref: http://sourceforge.net/apps/trac/gallery/ticket/1172
// http://galleryproject.org/node/96926
if ($item->album_cover_item_id) {
$item->album_cover_item_id = null;
$item->save();
}
graphics::_replace_image_with_placeholder($item, $target);
break;
}
if ($cover->thumb_dirty) {
graphics::generate($cover);
}
if (!$cover->thumb_dirty) {
// Make the album cover from the cover item's thumb. Run gallery_graphics::resize with
// null options and it will figure out if this is a direct copy or conversion to jpg.
$working_file = $cover->thumb_path();
gallery_graphics::resize($working_file, $output_file, null, $item);
}
break;
}
}
if (!empty($ops["thumb"])) {
if (file_exists($item->thumb_path())) {
$item->thumb_dirty = 0;
} else {
Kohana_Log::add("error", "Failed to rebuild thumb image: {$item->title}");
graphics::_replace_image_with_placeholder($item, "thumb");
}
}
if (!empty($ops["resize"])) {
if (file_exists($item->resize_path())) {
$item->resize_dirty = 0;
} else {
Kohana_Log::add("error", "Failed to rebuild resize image: {$item->title}");
graphics::_replace_image_with_placeholder($item, "resize");
}
}
graphics::_update_item_dimensions($item);
$item->save();
} catch (Exception $e) {
// Something went wrong rebuilding the image. Replace with the placeholder images,
// leave it dirty and move on.
Kohana_Log::add("error", "Caught exception rebuilding images: {$item->title}\n" . $e->getMessage() . "\n" . $e->getTraceAsString());
if ($item->is_photo()) {
graphics::_replace_image_with_placeholder($item, "resize");
}
graphics::_replace_image_with_placeholder($item, "thumb");
try {
graphics::_update_item_dimensions($item);
} catch (Exception $e) {
// Looks like get_file_metadata couldn't identify our placeholders. We should never get
// here, but in the odd case we do, we need to do something. Let's put in hardcoded values.
if ($item->is_photo()) {
list($item->resize_width, $item->resize_height) = array(200, 200);
}
list($item->thumb_width, $item->thumb_height) = array(200, 200);
}
$item->save();
throw $e;
}
}
/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
*/
static function generate($item)
{
if ($item->is_album()) {
if (!($cover = $item->album_cover())) {
// This album has no cover; there's nothing to generate.
return;
}
$input_file = $cover->file_path();
$input_item = $cover;
} else {
$input_file = $item->file_path();
$input_item = $item;
}
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && !$item->is_album() && !$item->is_movie()) {
$ops["resize"] = $item->resize_path();
}
if (empty($ops)) {
$item->thumb_dirty = 0;
$item->resize_dirty = 0;
$item->save();
return;
}
try {
foreach ($ops as $target => $output_file) {
if ($input_item->is_movie()) {
// Convert the movie to a JPG first
$output_file = preg_replace("/...\$/", "jpg", $output_file);
try {
movie::extract_frame($input_file, $output_file);
} catch (Exception $e) {
// Assuming this is MISSING_FFMPEG for now
copy(MODPATH . "gallery/images/missing_movie.png", $output_file);
}
$working_file = $output_file;
} else {
$working_file = $input_file;
}
foreach (self::_get_rules($target) as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args));
call_user_func_array($rule->operation, $args);
$working_file = $output_file;
}
}
if (!empty($ops["thumb"])) {
$dims = getimagesize($item->thumb_path());
$item->thumb_width = $dims[0];
$item->thumb_height = $dims[1];
$item->thumb_dirty = 0;
}
if (!empty($ops["resize"])) {
$dims = getimagesize($item->resize_path());
$item->resize_width = $dims[0];
$item->resize_height = $dims[1];
$item->resize_dirty = 0;
}
$item->save();
} catch (Exception $e) {
// Something went wrong rebuilding the image. Leave it dirty and move on.
// @todo we should handle this better.
Kohana_Log::add("error", "Caught exception rebuilding image: {$item->title}\n" . $e->getMessage() . "\n" . $e->getTraceAsString());
throw $e;
}
}
/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
*/
static function generate($item)
{
if ($item->type == "album") {
$cover = $item->album_cover();
if (!$cover) {
return;
}
$input_file = $cover->file_path();
} else {
$input_file = $item->file_path();
}
$ops = array();
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && $item->type != "album") {
$ops["resize"] = $item->resize_path();
}
if (!$ops) {
return;
}
foreach (array("thumb" => $item->thumb_path(), "resize" => $item->resize_path()) as $target => $output_file) {
$working_file = $input_file;
foreach (ORM::factory("graphics_rule")->where("target", $target)->orderby("priority", "asc")->find_all() as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args));
call_user_func_array(array("graphics", $rule->operation), $args);
$working_file = $output_file;
}
}
if (!empty($ops["thumb"])) {
$dims = getimagesize($item->thumb_path());
$item->thumb_width = $dims[0];
$item->thumb_height = $dims[1];
$item->thumb_dirty = 0;
}
if (!empty($ops["resize"])) {
$dims = getimagesize($item->resize_path());
$item->resize_width = $dims[0];
$item->resize_height = $dims[1];
$item->resize_dirty = 0;
}
$item->save();
}
/**
* Rebuild the thumb and resize for the given item.
* @param Item_Model $item
*/
static function generate($item)
{
if ($item->is_album()) {
if (!($cover = $item->album_cover())) {
// This album has no cover; there's nothing to generate. Because of an old bug, it's
// possible that there's an album cover item id that points to an invalid item. In that
// case, just null out the album cover item id. It's not optimal to do that at this low
// level, but it's not trivial to find these cases quickly in an upgrade script and if we
// don't do this, the album may be permanently marked as "needs rebuilding"
//
// ref: http://sourceforge.net/apps/trac/gallery/ticket/1172
// http://gallery.menalto.com/node/96926
if ($item->album_cover_item_id) {
$item->album_cover_item_id = null;
$item->save();
}
return;
}
$input_file = $cover->file_path();
$input_item = $cover;
} else {
$input_file = $item->file_path();
$input_item = $item;
}
if ($item->thumb_dirty) {
$ops["thumb"] = $item->thumb_path();
}
if ($item->resize_dirty && !$item->is_album() && !$item->is_movie()) {
$ops["resize"] = $item->resize_path();
}
if (empty($ops)) {
$item->thumb_dirty = 0;
$item->resize_dirty = 0;
$item->save();
return;
}
try {
foreach ($ops as $target => $output_file) {
if ($input_item->is_movie()) {
// Convert the movie to a JPG first
$output_file = legal_file::change_extension($output_file, "jpg");
try {
movie::extract_frame($input_file, $output_file);
} catch (Exception $e) {
// Assuming this is MISSING_FFMPEG for now
copy(MODPATH . "gallery/images/missing_movie.jpg", $output_file);
}
$working_file = $output_file;
} else {
$working_file = $input_file;
}
foreach (self::_get_rules($target) as $rule) {
$args = array($working_file, $output_file, unserialize($rule->args), $item);
call_user_func_array($rule->operation, $args);
$working_file = $output_file;
}
}
if (!empty($ops["thumb"])) {
if (file_exists($item->thumb_path())) {
$item->thumb_dirty = 0;
} else {
copy(MODPATH . "gallery/images/missing_photo.png", $item->thumb_path());
}
$dims = getimagesize($item->thumb_path());
$item->thumb_width = $dims[0];
$item->thumb_height = $dims[1];
}
if (!empty($ops["resize"])) {
if (file_exists($item->resize_path())) {
$item->resize_dirty = 0;
} else {
copy(MODPATH . "gallery/images/missing_photo.png", $item->resize_path());
}
$dims = getimagesize($item->resize_path());
$item->resize_width = $dims[0];
$item->resize_height = $dims[1];
}
$item->save();
} catch (Exception $e) {
// Something went wrong rebuilding the image. Leave it dirty and move on.
// @todo we should handle this better.
Kohana_Log::add("error", "Caught exception rebuilding image: {$item->title}\n" . $e->getMessage() . "\n" . $e->getTraceAsString());
throw $e;
}
}
