/**
* Apply media transformation to media in specified field of current loaded row. When a transformation is applied
* it is applied to all versions, including the "original." A copy of the original is stashed in a "virtual" version named "_undo_"
* to make it possible to recover the original media, if desired, by calling removeMediaTransformations().
*
* @param string $ps_field The name of the media field
* @param string $ps_op A valid media transformation op code, as defined by the media plugin handling the media being transformed.
* @param array $pa_params The parameters for the op code, as defined by the media plugin handling the media being transformed.
* @param array $pa_options An array of options. No options are currently implemented.
*
* @return bool True on success, false if an error occurred.
*/
public function applyMediaTransformation($ps_field, $ps_op, $pa_params, $pa_options = null)
{
$va_media_info = $this->getMediaInfo($ps_field);
if (!is_array($va_media_info)) {
return null;
}
if (isset($pa_options['revert']) && $pa_options['revert'] && isset($va_media_info['_undo_'])) {
$vs_path = $vs_undo_path = $this->getMediaPath($ps_field, '_undo_');
$va_transformation_history = array();
} else {
$vs_path = $this->getMediaPath($ps_field, 'original');
// Copy original into "undo" slot (if undo slot is empty)
$vs_undo_path = !isset($va_media_info['_undo_']) ? $vs_path : $this->getMediaPath($ps_field, '_undo_');
if (!is_array($va_transformation_history = $va_media_info['TRANSFORMATION_HISTORY'])) {
$va_transformation_history = array();
}
}
// TODO: Check if transformation valid for this media
// Apply transformation to original
$o_media = new Media();
$o_media->read($vs_path);
$o_media->transform($ps_op, $pa_params);
$va_transformation_history[$ps_op][] = $pa_params;
$vs_tmp_basename = tempnam(caGetTempDirPath(), 'ca_media_rotation_tmp');
$o_media->write($vs_tmp_basename, $o_media->get('mimetype'), array());
// Regenerate derivatives
$this->setMode(ACCESS_WRITE);
$this->set($ps_field, $vs_tmp_basename . "." . $va_media_info['original']['EXTENSION'], $vs_undo_path ? array('undo' => $vs_undo_path, 'TRANSFORMATION_HISTORY' => $va_transformation_history) : array('TRANSFORMATION_HISTORY' => $va_transformation_history));
$this->setAsChanged($ps_field);
$this->update();
return $this->numErrors() ? false : true;
}
public function write($filepath, $mimetype, $pa_options = null)
{
if (!$this->handle) {
return false;
}
if (!($ext = $this->info["EXPORT"][$mimetype])) {
# this plugin can't write this mimetype
return false;
}
# is mimetype valid?
switch ($mimetype) {
# ------------------------------------
case 'image/jpeg':
$vn_preview_width = $this->properties["width"];
$vn_preview_height = $this->properties["height"];
if (caMediaPluginFFfmpegInstalled($this->ops_path_to_ffmpeg)) {
if (($vn_start_secs = $this->properties["duration"] / 8) > 120) {
$vn_start_secs = 120;
// always take a frame from the first two minutes to ensure performance (ffmpeg gets slow if it has to seek far into a movie to extract a frame)
}
exec($this->ops_path_to_ffmpeg . " -ss " . $vn_start_secs . " -i " . caEscapeShellArg($this->filepath) . " -f mjpeg -t 0.001 -y " . caEscapeShellArg($filepath . "." . $ext), $va_output, $vn_return);
if ($vn_return < 0 || $vn_return > 1 || !@filesize($filepath . "." . $ext)) {
@unlink($filepath . "." . $ext);
// don't throw error as ffmpeg cannot generate frame still from all files
} else {
// resize image to desired dimensions
$o_media = new Media();
$o_media->read($filepath . "." . $ext);
$o_media->transform('SCALE', array('width' => $vn_preview_width, 'height' => $vn_preview_height, 'mode' => 'bounding_box', 'antialiasing' => 0.5));
$o_media->write($filepath . "_tmp", 'image/jpeg', array());
if (!$o_media->numErrors()) {
rename($filepath . "_tmp." . $ext, $filepath . "." . $ext);
} else {
@unlink($filepath . "_tmp." . $ext);
}
}
}
// if output file doesn't exist, ffmpeg failed or isn't installed
// so use default icons
if (!file_exists($filepath . "." . $ext)) {
return __CA_MEDIA_VIDEO_DEFAULT_ICON__;
}
$this->properties["mimetype"] = $mimetype;
$this->properties["typename"] = isset($this->typenames[$mimetype]) ? $this->typenames[$mimetype] : $mimetype;
break;
# ------------------------------------
# ------------------------------------
default:
if ($mimetype != $this->handle["mime_type"]) {
# this plugin can't write this mimetype (no conversions allowed)
$this->postError(1610, _t("Can't convert '%1' to %2", $this->handle["mime_type"], $mimetype), "WLPlugQuicktimeVR->write()");
return false;
}
# write the file
if (!copy($this->filepath, $filepath . "." . $ext)) {
$this->postError(1610, _t("Couldn't write file to '%1'", $filepath), "WLPlugQuicktimeVR->write()");
return false;
}
break;
# ------------------------------------
}
return $filepath . "." . $ext;
}
/**
* Method invoked when the task queue needs to actually execute the task. For mediaproc this means
* actually doing the processing of media!
*
* Return false on failure/error and sets the error property with an error description. Returns an array
* with processing details on success.
*
* @param array $pa_parameters An unserialized parameters array for the current task (eg. unserialized data from ca_task_queue.parameters)
* @return array Returns false on error, or an array with processing details on success
*/
public function process($pa_parameters)
{
$vs_table = $pa_parameters["TABLE"];
// name of table of record we're processing
$vs_field = $pa_parameters["FIELD"];
// name of field in record we're processing
$vs_pk = $pa_parameters["PK"];
// Field name of primary key of record we're processing
$vn_id = $pa_parameters["PK_VAL"];
// Value of primary key
$vs_input_mimetype = $pa_parameters["INPUT_MIMETYPE"];
// Mimetype of input file
$vs_input_file = $pa_parameters["FILENAME"];
// Full path to input file
// Array of media versions to process; keys are version names,
// values are arrays with info about processing for that version
// Currently the info array contains a single key, 'VOLUME', which indicates
// the volume the version should be written to
$va_versions = $pa_parameters["VERSIONS"];
$va_options = $pa_parameters["OPTIONS"];
// Array of processing options; names of options to employ are keys, settings are values
// If true, then input media is *not* deleted
$vb_dont_delete_original_media = (bool) $pa_parameters["DONT_DELETE_OLD_MEDIA"];
$va_report = array('errors' => array(), 'notes' => array());
$o_dm = Datamodel::load();
$o_media_volumes = new MediaVolumes();
$o_media = new Media();
$o_media_proc_settings = new MediaProcessingSettings($vs_table, $vs_field);
$vs_media_type = $o_media_proc_settings->canAccept($vs_input_mimetype);
$va_version_info = $o_media_proc_settings->getMediaTypeVersions($vs_media_type);
if (!file_exists($vs_input_file)) {
$o_eventlog = new EventLog();
$o_eventlog->log(array("CODE" => "DEBG", "SOURCE" => "TaskQueue->mediaproc->process()", "MESSAGE" => "Record {$vs_table}.field = file '{$vs_input_file}' did not exist; queued file was discarded"));
$va_report['errors'][] = _t("Record %1.field = file '%2' did not exist; queued file was discarded", $vs_table, $vs_input_file);
return $va_report;
}
if ($t_instance = $o_dm->getInstanceByTableName($vs_table, true)) {
if ($t_instance->hasField($vs_field)) {
if (!$t_instance->load($vn_id)) {
# record no longer exists
if (!$vb_dont_delete_original_media) {
@unlink($vs_input_file);
}
$o_eventlog = new EventLog();
$o_eventlog->log(array("CODE" => "DEBG", "SOURCE" => "TaskQueue->mediaproc->process()", "MESSAGE" => "Record {$vs_table}.field = {$vn_id} did not exist; queued file was discarded"));
$o_media->cleanup();
$va_report['errors'][] = _t("Record %1.field = %2 did not exist; queued file was discarded", $vs_table, $vn_id);
return $va_report;
}
} else {
# bad field name
$this->error->setError(551, _t("Invalid media field '%1' in table '%2'", $vs_field, $vs_table), "mediaproc->process()");
return false;
}
} else {
# bad table name
$this->error->setError(550, _t("Invalid media field table '%1'", $vs_table), "mediaproc->process()");
return false;
}
$va_old_media_to_delete = array();
foreach ($va_versions as $v => $va_version_settings) {
$vs_use_icon = null;
if (!file_exists($vs_input_file)) {
$this->error->setError(505, _t("Input media file '%1' does not exist", $vs_input_file), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if (!is_readable($vs_input_file)) {
$this->error->setError(506, _t("Denied permission to read input media file '%1'", $vs_input_file), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if (!$o_media->read($vs_input_file)) {
$this->error->setError(1600, _t("Could not process input media file '%1': %2", $vs_input_file, join('; ', $o_media->getErrors())), "mediaproc->process()");
$o_media->cleanup();
return false;
}
$vs_rule = isset($va_version_info[$v]['RULE']) ? $va_version_info[$v]['RULE'] : '';
$va_rules = $o_media_proc_settings->getMediaTransformationRule($vs_rule);
$va_volume_info = $o_media_volumes->getVolumeInformation($va_version_settings['VOLUME']);
if (sizeof($va_rules) == 0) {
$vs_output_mimetype = $vs_input_mimetype;
#
# don't process this media, just copy the file
#
$vs_ext = $o_media->mimetype2extension($vs_output_mimetype);
if (!$vs_ext) {
$this->error->setError(1600, _t("File could not be copied for %1; can't convert mimetype %2 to extension", $vs_field, $vs_output_mimetype), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if (($vs_dirhash = $this->_getDirectoryHash($va_volume_info["absolutePath"], $vn_id)) === false) {
$this->error->setError(1600, _t("Couldn't create subdirectory for file for %1", $vs_field), "mediaproc->process()");
$o_media->cleanup();
return false;
}
$vs_magic = rand(0, 99999);
$vs_filepath = $va_volume_info["absolutePath"] . "/" . $vs_dirhash . "/" . $vs_magic . "_" . $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v . "." . $vs_ext;
if (!copy($vs_input_file, $vs_filepath)) {
$this->error->setError(504, _t("File could not be copied for %1", $vs_field), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if (is_array($va_volume_info["mirrors"]) && sizeof($va_volume_info["mirrors"]) > 0) {
$entity_key = join("/", array($vs_table, $vs_field, $vn_id, $v));
$row_key = join("/", array($vs_table, $vn_id));
foreach ($va_volume_info["mirrors"] as $vs_mirror_code => $va_mirror_info) {
$vs_mirror_method = $va_mirror_info["method"];
$vs_queue = $vs_mirror_method . "mirror";
$tq = new TaskQueue();
if (!$tq->cancelPendingTasksForEntity($entity_key)) {
$this->error->setError(560, _t("Could not cancel pending tasks"), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if ($tq->addTask($vs_queue, array("MIRROR" => $vs_mirror_code, "VOLUME" => $va_version_settings['VOLUME'], "FIELD" => $vs_field, "TABLE" => $vs_table, "VERSION" => $v, "FILES" => array(array("FILE_PATH" => $vs_filepath, "ABS_PATH" => $va_volume_info["absolutePath"], "HASH" => $vs_dirhash, "FILENAME" => $vs_magic . "_" . $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v . "." . $vs_ext)), "MIRROR_INFO" => $va_mirror_info, "PK" => $vs_pk, "PK_VAL" => $vn_id), array("priority" => 100, "entity_key" => $entity_key, "row_key" => $row_key))) {
continue;
} else {
$this->error->setError(100, _t("Couldn't queue mirror using '%1' for version '%2' (handler '%3')", $vs_mirror_method, $v, $vs_queue), "mediaproc->process()");
}
}
}
$media_desc[$v] = array("VOLUME" => $va_version_settings['VOLUME'], "MIMETYPE" => $vs_output_mimetype, "WIDTH" => $o_media->get("width"), "HEIGHT" => $o_media->get("height"), "PROPERTIES" => $o_media->getProperties(), "FILENAME" => $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v . "." . $vs_ext, "HASH" => $vs_dirhash, "MAGIC" => $vs_magic, "EXTENSION" => $vs_ext, "MD5" => md5_file($vs_filepath));
} else {
$o_media->set('version', $v);
while (list($operation, $pa_parameters) = each($va_rules)) {
if ($operation === 'SET') {
foreach ($pa_parameters as $pp => $pv) {
if ($pp == 'format') {
$vs_output_mimetype = $pv;
} else {
$o_media->set($pp, $pv);
}
}
} else {
if (!$o_media->transform($operation, $pa_parameters)) {
$this->error = $o_media->errors[0];
$o_media->cleanup();
return false;
}
}
}
if (!$vs_output_mimetype) {
$vs_output_mimetype = $vs_input_mimetype;
}
if (!($vs_ext = $o_media->mimetype2extension($vs_output_mimetype))) {
$this->error->setError(1600, _t("File could not be processed for %1; can't convert mimetype %2 to extension", $vs_field, $vs_output_mimetype), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if (($vs_dirhash = $this->_getDirectoryHash($va_volume_info["absolutePath"], $vn_id)) === false) {
$this->error->setError(1600, _t("Couldn't create subdirectory for file for %1", $vs_field), "mediaproc->process()");
$o_media->cleanup();
return false;
}
$vs_magic = rand(0, 99999);
$vs_filepath = $va_volume_info["absolutePath"] . "/" . $vs_dirhash . "/" . $vs_magic . "_" . $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v;
if (!($vs_output_file = $o_media->write($vs_filepath, $vs_output_mimetype, $va_options))) {
$this->error = $o_media->errors[0];
$o_media->cleanup();
return false;
} else {
if ($vs_output_file === __CA_MEDIA_VIDEO_DEFAULT_ICON__ || $vs_output_file === __CA_MEDIA_AUDIO_DEFAULT_ICON__ || $vs_output_file === __CA_MEDIA_DOCUMENT_DEFAULT_ICON__) {
$vs_use_icon = $vs_output_file;
} else {
$va_output_files[] = $vs_output_file;
}
}
if (is_array($va_volume_info["mirrors"]) && sizeof($va_volume_info["mirrors"]) > 0) {
$entity_key = join("/", array($vs_table, $vs_field, $vn_id, $v));
$row_key = join("/", array($vs_table, $vn_id));
foreach ($va_volume_info["mirrors"] as $vs_mirror_code => $va_mirror_info) {
$vs_mirror_method = $va_mirror_info["method"];
$vs_queue = $vs_mirror_method . "mirror";
$tq = new TaskQueue();
if (!$tq->cancelPendingTasksForEntity($entity_key)) {
$this->error->setError(560, _t("Could not cancel pending tasks"), "mediaproc->process()");
$o_media->cleanup();
return false;
}
if ($tq->addTask($vs_queue, array("MIRROR" => $vs_mirror_code, "VOLUME" => $va_version_settings['VOLUME'], "FIELD" => $vs_field, "TABLE" => $vs_table, "VERSION" => $v, "FILES" => array(array("FILE_PATH" => $vs_filepath, "ABS_PATH" => $va_volume_info["absolutePath"], "HASH" => $vs_dirhash, "FILENAME" => $vs_magic . "_" . $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v . "." . $vs_ext)), "MIRROR_INFO" => $va_mirror_info, "PK" => $vs_pk, "PK_VAL" => $vn_id), array("priority" => 100, "entity_key" => $entity_key, "row_key" => $row_key))) {
continue;
} else {
$this->error->setError(100, _t("Couldn't queue mirror using '%1' for version '%2' (handler '%3')", $vs_mirror_method, $v, $vs_queue), "mediaproc->process()");
}
}
}
if ($vs_use_icon) {
$media_desc[$v] = array("MIMETYPE" => $vs_output_mimetype, "USE_ICON" => $vs_use_icon, "WIDTH" => $o_media->get("width"), "HEIGHT" => $o_media->get("height"));
} else {
$media_desc[$v] = array("VOLUME" => $va_version_settings['VOLUME'], "MIMETYPE" => $vs_output_mimetype, "WIDTH" => $o_media->get("width"), "HEIGHT" => $o_media->get("height"), "PROPERTIES" => $o_media->getProperties(), "FILENAME" => $vs_table . "_" . $vs_field . "_" . $vn_id . "_" . $v . "." . $vs_ext, "HASH" => $vs_dirhash, "MAGIC" => $vs_magic, "EXTENSION" => $vs_ext, "MD5" => md5_file($vs_filepath . "." . $vs_ext));
}
}
if (!$vb_dont_delete_original_media) {
$vs_old_media_path = $t_instance->getMediaPath($vs_field, $v);
if ($vs_old_media_path && $vs_filepath . "." . $vs_ext != $vs_old_media_path && $vs_input_file != vs_old_media_path) {
//@unlink($t_instance->getMediaPath($vs_field, $v));
$va_old_media_to_delete[] = $vs_old_media_path;
}
}
}
#
# Update record
#
if ($t_instance->load($vn_id)) {
if (method_exists($t_instance, "useBlobAsMediaField")) {
// support for attributes - force field to be FT_MEDIA
$t_instance->useBlobAsMediaField(true);
}
$md = $t_instance->get($vs_field);
$va_merged_media_desc = is_array($md) ? $md : array();
foreach ($media_desc as $vs_k => $va_v) {
$va_merged_media_desc[$vs_k] = $va_v;
}
$t_instance->setMode(ACCESS_WRITE);
$t_instance->setMediaInfo($vs_field, $va_merged_media_desc);
$t_instance->update();
if ($t_instance->numErrors()) {
# get rid of files we just created
foreach ($va_output_files as $vs_to_delete) {
@unlink($vs_to_delete);
}
$this->error->setError(560, _t("Could not update %1.%2: %3", $vs_table, $vs_field, join(", ", $t_instance->getErrors())), "mediaproc->process()");
$o_media->cleanup();
return false;
}
$va_report['notes'][] = _t("Processed file %1", $vs_input_file);
// Generate preview frames for media that support that (Eg. video)
// and add them as "multifiles" assuming the current model supports that (ca_object_representations does)
$o_config = Configuration::load();
if (((bool) $o_config->get('video_preview_generate_frames') || (bool) $o_config->get('document_preview_generate_pages')) && method_exists($t_instance, 'addFile')) {
$o_media->read($vs_input_file);
$va_preview_frame_list = $o_media->writePreviews(array('width' => $o_media->get("width"), 'height' => $o_media->get("height"), 'numberOfFrames' => $o_config->get('video_preview_max_number_of_frames'), 'numberOfPages' => $o_config->get('document_preview_max_number_of_pages'), 'frameInterval' => $o_config->get('video_preview_interval_between_frames'), 'pageInterval' => $o_config->get('document_preview_interval_between_pages'), 'startAtTime' => $o_config->get('video_preview_start_at'), 'endAtTime' => $o_config->get('video_preview_end_at'), 'startAtPage' => $o_config->get('document_preview_start_page'), 'outputDirectory' => __CA_APP_DIR__ . '/tmp'));
$t_instance->removeAllFiles();
// get rid of any previously existing frames (they might be hanging around if we're editing an existing record)
if (is_array($va_preview_frame_list)) {
foreach ($va_preview_frame_list as $vn_time => $vs_frame) {
$t_instance->addFile($vs_frame, $vn_time, true);
// the resource path for each frame is it's time, in seconds (may be fractional) for video, or page number for documents
@unlink($vs_frame);
// clean up tmp preview frame file
}
}
}
if (!$vb_dont_delete_original_media) {
@unlink($vs_input_file);
}
foreach ($va_old_media_to_delete as $vs_to_delete) {
@unlink($vs_to_delete);
}
$o_media->cleanup();
return $va_report;
} else {
# record no longer exists
if (!$vb_dont_delete_original_media) {
@unlink($vs_input_file);
}
$o_eventlog = new EventLog();
$o_eventlog->log(array("CODE" => "DEBG", "SOURCE" => "TaskQueue->mediaproc->process()", "MESSAGE" => "Record {$vs_table}.field = {$vn_id} did not exist; queued file was discarded"));
$o_media->cleanup();
$va_report['errors'][] = _t("Record {$vs_table}.field = {$vn_id} did not exist; queued file was discarded");
return $va_report;
}
}
/**
* @param array $pa_options Options include:
* dontUseDefaultIcons = If set to true, write will fail rather than use default icons when preview can't be generated. Default is false – to use default icons.
*
*/
public function write($ps_filepath, $ps_mimetype, $pa_options = null)
{
if (!$this->handle) {
return false;
}
$vb_dont_allow_default_icons = isset($pa_options['dontUseDefaultIcons']) && $pa_options['dontUseDefaultIcons'] ? true : false;
# is mimetype valid?
if (!($vs_ext = $this->info["EXPORT"][$ps_mimetype])) {
$this->postError(1610, _t("Can't convert file to %1", $ps_mimetype), "WLPlugPDFWand->write()");
return false;
}
# write the file
if ($ps_mimetype == "application/pdf") {
if (!copy($this->filepath, $ps_filepath . ".pdf")) {
$this->postError(1610, _t("Couldn't write file to '%1'", $ps_filepath), "WLPlugPDFWand->write()");
return false;
}
} else {
$vb_use_default_icon = true;
if (caMediaPluginGhostscriptInstalled($this->ops_ghostscript_path)) {
$vn_scaling_correction = $this->get("scaling_correction");
$vs_res = "72x72";
if (ceil($this->get("resolution")) > 0) {
$vn_res = $this->get("resolution");
if ($vn_scaling_correction) {
$vn_res *= 2;
}
$vs_res = ceil($vn_res) . "x" . ceil($vn_res);
}
$vn_page = ceil($this->get("page"));
$vn_quality = ceil($this->get("quality"));
if ($vn_quality > 100) {
$vn_quality = 100;
}
if ($vn_quality < 1) {
$vn_quality = 50;
}
if ($vn_page < 1) {
$vn_page = 1;
}
if ($this->get("antialiasing")) {
$vs_antialiasing = "-dTextAlphaBits=4 -dGraphicsAlphaBits=4";
} else {
$vs_antialiasing = "";
}
$vb_processed_preview = false;
switch ($ps_mimetype) {
case 'image/jpeg':
exec($this->ops_ghostscript_path . " -dNOPAUSE -dBATCH -sDEVICE=" . ($vn_scaling_correction ? "tiff24nc" : "jpeg") . " {$vs_antialiasing} -dJPEGQ=" . $vn_quality . " -dFirstPage=" . $vn_page . " -dLastPage=" . $vn_page . " -sOutputFile=" . caEscapeShellArg($ps_filepath . "." . $vs_ext) . " -r" . $vs_res . " " . caEscapeShellArg($this->handle["filepath"]), $va_output, $vn_return);
if ($vn_return == 0) {
$vb_processed_preview = true;
}
break;
case 'image/tiff':
case 'image/png':
case 'image/gif':
exec($this->ops_ghostscript_path . " -dNOPAUSE -dBATCH -sDEVICE=tiff24nc {$vs_antialiasing} -dFirstPage=" . $vn_page . " -dLastPage=" . $vn_page . " -sOutputFile=" . caEscapeShellArg($ps_filepath . "." . $vs_ext) . " -r" . $vs_res . " " . caEscapeShellArg($this->handle["filepath"]), $va_output, $vn_return);
if ($vn_return == 0) {
$vb_processed_preview = true;
}
break;
default:
//die("Unsupported output type in PDF plug-in: $ps_mimetype [this shouldn't happen]");
break;
}
if ($vb_processed_preview) {
if ($vs_crop = $this->get("crop")) {
$o_media = new Media();
list($vn_w, $vn_h) = explode("x", $vs_crop);
if ($vn_w > 0 && $vn_h > 0) {
$o_media->read($ps_filepath . "." . $vs_ext);
if (!$o_media->numErrors()) {
$o_media->transform('SCALE', array('mode' => 'fill_box', 'antialiasing' => 0.5, 'width' => $vn_w, 'height' => $vn_h));
$o_media->write($ps_filepath, $ps_mimetype, array());
if (!$o_media->numErrors()) {
$this->properties["width"] = $vn_w;
$this->properties["height"] = $vn_h;
$vb_use_default_icon = false;
}
}
}
} else {
if ($vn_scaling_correction) {
$o_media = new Media(true);
$o_media->read($ps_filepath . "." . $vs_ext);
if (!$o_media->numErrors()) {
$vn_w = $o_media->get('width') * $vn_scaling_correction;
$vn_h = $o_media->get('height') * $vn_scaling_correction;
if ($vn_w > $vn_h || $this->get("target_height") == 0) {
$vn_r = $this->get("target_width") / $vn_w;
$vn_w = $this->get("target_width");
$vn_h *= $vn_r;
} else {
$vn_r = $this->get("target_height") / $vn_h;
$vn_h = $this->get("target_height");
$vn_w *= $vn_r;
}
$vn_w = ceil($vn_w);
$vn_h = ceil($vn_h);
$this->properties["width"] = $vn_w;
$this->properties["height"] = $vn_h;
$o_media->transform('SCALE', array('mode' => 'bounding_box', 'antialiasing' => 0.5, 'width' => $vn_w, 'height' => $vn_h));
$o_media->transform('UNSHARPEN_MASK', array('sigma' => 0.5, 'radius' => 1, 'threshold' => 1.0, 'amount' => 0.1));
$o_media->set('quality', $vn_quality);
$o_media->write($ps_filepath, $ps_mimetype, array());
if (!$o_media->numErrors()) {
$vb_use_default_icon = false;
}
}
} else {
$vb_use_default_icon = false;
}
}
}
}
if ($vb_use_default_icon) {
return $vb_dont_allow_default_icons ? null : __CA_MEDIA_DOCUMENT_DEFAULT_ICON__;
}
}
$this->properties["mimetype"] = $ps_mimetype;
$this->properties["filesize"] = filesize($ps_filepath . "." . $vs_ext);
$this->properties["typename"] = $this->typenames[$ps_mimetype];
return $ps_filepath . "." . $vs_ext;
}
/**
* @param array $pa_options Options include:
* dontUseDefaultIcons = If set to true, write will fail rather than use default icons when preview can't be generated. Default is false – to use default icons.
*
*/
public function write($ps_filepath, $ps_mimetype, $pa_options = null)
{
if (!$this->handle) {
return false;
}
$vb_dont_allow_default_icons = isset($pa_options['dontUseDefaultIcons']) && $pa_options['dontUseDefaultIcons'] ? true : false;
# is mimetype valid?
if (!($vs_ext = $this->info["EXPORT"][$ps_mimetype])) {
$this->postError(1610, _t("Can't convert file to %1", $ps_mimetype), "WLPlugMediaOffice->write()");
return false;
}
# write the file
if ($ps_mimetype == "application/msword") {
if (!copy($this->filepath, $ps_filepath . ".doc")) {
$this->postError(1610, _t("Couldn't write file to '%1'", $ps_filepath), "WLPlugMediaOffice->write()");
return false;
}
} else {
if (!isset(WLPlugMediaOffice::$s_pdf_conv_cache[$this->filepath]) && $this->opb_libre_office_installed) {
$vs_tmp_dir_path = caGetTempDirPath();
$va_tmp = explode("/", $this->filepath);
$vs_out_file = array_pop($va_tmp);
putenv("HOME={$vs_tmp_dir_path}");
// libreoffice will fail silently if you don't set this environment variable to a directory it can write to. Nice way to waste a day debugging. Yay!
exec($this->ops_libreoffice_path . " --nologo --nofirststartwizard --headless -convert-to pdf " . caEscapeShellArg($this->filepath) . " -outdir " . caEscapeShellArg($vs_tmp_dir_path) . " 2>&1", $va_output, $vn_return);
exec($this->ops_libreoffice_path . " --nologo --nofirststartwizard --headless -convert-to html " . caEscapeShellArg($this->filepath) . " -outdir " . caEscapeShellArg($vs_tmp_dir_path) . " 2>&1", $va_output, $vn_return);
$va_out_file = explode(".", $vs_out_file);
if (sizeof($va_out_file) > 1) {
array_pop($va_out_file);
}
$this->handle['content'] = strip_tags(file_get_contents("{$vs_tmp_dir_path}/" . join(".", $va_out_file) . ".html"));
$va_out_file[] = 'pdf';
WLPlugMediaOffice::$s_pdf_conv_cache[$this->filepath] = "{$vs_tmp_dir_path}/" . join(".", $va_out_file);
$o_media = new Media();
if ($o_media->read(WLPlugMediaOffice::$s_pdf_conv_cache[$this->filepath])) {
$this->set('width', $this->ohandle["width"] = $o_media->get('width'));
$this->set('height', $this->ohandle["height"] = $o_media->get('height'));
$this->set('resolution', $this->ohandle["resolution"] = $o_media->get('resolution'));
}
}
if ($vs_media = WLPlugMediaOffice::$s_pdf_conv_cache[$this->filepath]) {
switch ($ps_mimetype) {
case 'application/pdf':
$o_media = new Media();
$o_media->read($vs_media);
$o_media->set('version', $this->get('version'));
$o_media->write($ps_filepath, $ps_mimetype, array());
$vs_filepath_with_extension = $ps_filepath . ".pdf";
break;
case 'image/jpeg':
$o_media = new Media();
$o_media->read($vs_media);
$o_media->set('version', $this->get('version'));
foreach ($this->opa_transformations as $va_transform) {
$o_media->transform($va_transform['op'], $va_transform['params']);
}
$o_media->write($ps_filepath, $ps_mimetype, array());
$this->set('width', $o_media->get('width'));
$this->set('height', $o_media->get('height'));
$vs_filepath_with_extension = $ps_filepath . ".jpg";
break;
}
}
# use default media icons
if (!file_exists($vs_filepath_with_extension)) {
// always jpegs
return $vb_dont_allow_default_icons ? null : __CA_MEDIA_DOCUMENT_DEFAULT_ICON__;
}
}
$this->properties["mimetype"] = $ps_mimetype;
$this->properties["filesize"] = filesize($ps_filepath . "." . $vs_ext);
//$this->properties["typename"] = $this->typenames[$ps_mimetype];
return $ps_filepath . "." . $vs_ext;
}