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<?php
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// $Id: avatar_gallery.module,v 1.6 2008/05/11 01:55:32 pfournier Exp $
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/**
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* Implementation of hook_menu()
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*
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* @see hook_menu()
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*/
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function avatar_gallery_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'admin/settings/avatar_gallery',
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'title' => t('Avatar gallery'),
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'description' => t('Configure the avatar gallery.'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('avatar_gallery_admin_settings'),
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'access' => user_access('administer site configuration'),
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$items[] = array(
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'path' => 'admin/settings/avatar_gallery/settings',
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'title' => t('Settings'),
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'description' => t('Configure images and text.'),
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'access' => user_access('administer site configuration'),
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'type' => MENU_DEFAULT_LOCAL_TASK),
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'weight' => 0,
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);
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$items[] = array(
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'path' => 'admin/settings/avatar_gallery/view',
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'title' => t('View'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('avatar_gallery_view'),
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'access' => user_access('administer site configuration'),
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'type' => MENU_LOCAL_TASK,
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'weight' => 1,
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);
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}
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return $items;
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}
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/**
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* Implementation of hook_block().
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*/
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function avatar_gallery_block($op = 'list', $delta = 0) {
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$menu = menu_get_menu();
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if ($op == 'list') {
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$blocks[]=array("info"=>t("Avatar gallery"));
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return $blocks;
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}
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else if ($op == 'view') {
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$data['subject'] = t("Avatar gallery");
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$result = db_fetch_object(db_query("SELECT COUNT(u.uid) as count FROM {users} u WHERE u.status != 0 and u.uid != 0"));
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$members = format_plural($result->count, '1 user', '@count users');
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if (module_exists('profile')) {
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$members = l($members, 'profile');
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}
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$data['content'] .= '<div id="usercount">'.t('There are !members on @sitename.', array('!members' => $members, '@sitename' => variable_get('site_name', 'drupal'))).'</div>';
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$data['content'] .= _avatar_gallery_imagemap();
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return $data;
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}
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}
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/**
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* Implementation of hook_user()
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*
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* On user creation or modification, regenerates the gallery
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*/
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function avatar_gallery_user($op, $edit, $user) {
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switch ($op) {
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case 'update':
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{
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avatar_gallery_regenerate();
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break;
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}
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case 'login':
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{
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$order = variable_get('avatar_gallery_ordering', 0);
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if ($order == 2) {
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avatar_gallery_regenerate();
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}
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break;
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}
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case 'insert':
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case 'delete':
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{
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if (isset($edit["picture"])) {
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avatar_gallery_regenerate();
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}
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break;
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}
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}
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}
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/**
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* Menu callback to display the avatar gallery.
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*
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* @see _avatar_gallery_imagemap()
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*/
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function avatar_gallery_view() {
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$form['gallery'] = array(
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'#value' => _avatar_gallery_imagemap(),
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Regenerate'),
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);
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return $form;
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}
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function avatar_gallery_view_submit($form_id, $form_values) {
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avatar_gallery_regenerate();
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return "admin/settings/avatar_gallery/view";
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}
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/**
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* Menu callback for administration settings page.
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*/
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function avatar_gallery_admin_settings() {
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$form['visual'] = array(
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'#type' => 'fieldset',
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'#title' => t('General Settings'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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$form['visual']['avatar_gallery_ordering'] = array(
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'#type' => 'select',
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'#title' => t('Ordering'),
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'#description' => t('Ordering of the pictures, left to right, then top to bottom.'),
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'#options' => _avatar_gallery_ordering('strings'),
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'#default_value' => variable_get('avatar_gallery_ordering', '0'),
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);
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$form['visual']['avatar_gallery_num_cols'] = array(
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'#type' => 'textfield',
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'#title' => t('Columns'),
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'#description' => t('Number of pictures in one row of the gallery.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_num_cols', 6),
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);
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$form['visual']['avatar_gallery_num_rows'] = array(
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'#type' => 'textfield',
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'#title' => t('Rows'),
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'#size' => 5,
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'#maxlength' => 5,
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'#description' => t('Maximum number of rows in the gallery. Zero means no limit (all users will be listed).'),
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'#default_value' => variable_get('avatar_gallery_num_rows', 0),
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);
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$form['visual']['avatar_gallery_margin'] = array(
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'#type' => 'textfield',
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'#title' => t('Margin'),
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'#description' => t('Margin around the avatar gallery, in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_margin', 25),
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);
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$form['visual']['avatar_gallery_hspacing'] = array(
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'#type' => 'textfield',
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'#title' => t('Column Width'),
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'#description' => t('Column width, in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_hspacing', 100),
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);
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$form['visual']['avatar_gallery_vspacing'] = array(
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'#type' => 'textfield',
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'#title' => t('Row Height'),
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'#description' => t('Row height, in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_vspacing', 100),
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);
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$form['visual']['avatar_gallery_thumb_hsize'] = array(
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'#type' => 'textfield',
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'#title' => t('Picture Width'),
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'#description' => t('Width of the pictures, in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_thumb_hsize', 85),
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);
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$form['visual']['avatar_gallery_thumb_vsize'] = array(
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'#type' => 'textfield',
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'#title' => t('Picture Height'),
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'#description' => t('Height of the pictures, in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_thumb_vsize', 85),
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);
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$form['visual']['avatar_gallery_crop_images'] = array(
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'#type' => 'checkbox',
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'#title' => t('Crop Images'),
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'#description' => t('Crop the images so that their aspect ratio matches the one specified by Picture Width and Picture Height, above.'),
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'#default_value' => variable_get('avatar_gallery_crop_images', FALSE),
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);
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$form['visual']['avatar_gallery_quality'] = array(
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'#type' => 'textfield',
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'#title' => t('JPEG Quality'),
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'#description' => t('An integer between 0 and 100; higher values means better looking pictures, but larger gallery size.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_quality', 80),
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);
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$form['visual']['background_color'] = array(
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'#type' => 'fieldset',
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'#title' => t('Background Color'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['visual']['background_color']['avatar_gallery_bcolr'] = array(
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'#type' => 'textfield',
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'#title' => t('Red'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_bcolr', 255),
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);
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$form['visual']['background_color']['avatar_gallery_bcolg'] = array(
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'#type' => 'textfield',
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'#title' => t('Green'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_bcolg', 255),
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);
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$form['visual']['background_color']['avatar_gallery_bcolb'] = array(
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'#type' => 'textfield',
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'#title' => t('Blue'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_bcolb', 255),
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);
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$form['text'] = array(
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'#type' => 'fieldset',
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'#title' => t('Text Settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['text']['avatar_gallery_showtext'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show User Name'),
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'#description' => t('Show user name under each picture.'),
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'#default_value' => variable_get('avatar_gallery_showtext', 0),
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);
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$form['text']['avatar_gallery_font'] = array(
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'#type' => 'textfield',
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'#title' => t('TrueType Font Path'),
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'#description' => t('Path of the TrueType font to use for the text (e.g. files/arial.ttf).'),
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'#size' => 50,
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'#maxlength' => 80,
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'#default_value' => variable_get('avatar_gallery_font', ''),
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);
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$form['text']['avatar_gallery_textsize'] = array(
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'#type' => 'textfield',
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'#title' => t('Font Size'),
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'#description' => t('Font size in pixels.'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_textsize', 15),
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);
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$form['text']['text_color'] = array(
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'#type' => 'fieldset',
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'#title' => t('Text Color'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['text']['text_color']['avatar_gallery_tcolr'] = array(
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'#type' => 'textfield',
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'#title' => t('Red'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_tcolr', 0),
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);
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$form['text']['text_color']['avatar_gallery_tcolg'] = array(
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'#type' => 'textfield',
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'#title' => t('Green'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_tcolg', 0),
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);
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$form['text']['text_color']['avatar_gallery_tcolb'] = array(
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'#type' => 'textfield',
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'#title' => t('Blue'),
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'#size' => 5,
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'#maxlength' => 5,
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'#default_value' => variable_get('avatar_gallery_tcolb', 0),
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);
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$form['misc'] = array(
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'#type' => 'fieldset',
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'#title' => t('Missing Picture'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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$form['misc']['avatar_gallery_showall'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show users with no avatars'),
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'#default_value' => variable_get('avatar_gallery_showall', 0),
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);
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$form['misc']['avatar_gallery_miss_image'] = array(
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'#type' => 'textfield',
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'#title' => t('Image for missing avatars'),
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'#description' => t('Path of the image to use for users with no picture (e.g. files/avatar.jpg).'),
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'#size' => 50,
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'#maxlength' => 80,
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'#default_value' => variable_get('avatar_gallery_miss_image', ''),
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);
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return system_settings_form($form);
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}
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function _avatar_gallery_ordering($type) {
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if ($type == 'strings') {
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return array(
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'0' => t('Newest first'),
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'1' => t('By name'),
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'2' => t('Last log in'),
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);
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}
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else if ($type == 'sql') {
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return array(
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'created DESC',
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'name ASC',
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'login DESC',
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);
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}
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}
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/**
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* Generate the HTML code necessary to display the image and the area map
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*
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* @args $root string the base url of links
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* @returns string generally an <IMG> tag followed by a <AREA> tag
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*/
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function _avatar_gallery_imagemap() {
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$img_file = variable_get('file_directory_path', 'files' ) . '/' . variable_get('avatar_gallery_image_name', 'avatar_gallery.jpg');
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$img = theme_image($img_file, t('Avatar gallery'), t('Avatar gallery'), array('border' => 0, 'usemap' => '#avatar_gallery_areamap'), FALSE) . _avatar_gallery_areamap_dyn($root);
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| 339 |
return $img;
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}
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| 341 |
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/**
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* Build an areamap from coordinates cached by avatar_gallery_regenerate()
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| 344 |
*
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| 345 |
* This will call avatar_gallery_regenerate() to recreate the cache if
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| 346 |
* missing or expired
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| 347 |
*
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| 348 |
* @arg $root string the base of urls
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| 349 |
* @return string an <areamap> named avatar_gallery_areamap
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| 350 |
* corresponding to the image created by avatar_gallery_regenerate()
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| 351 |
* @see avatar_gallery_regenerate()
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| 352 |
*/
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| 353 |
function _avatar_gallery_areamap_dyn($root = '') {
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| 354 |
if (!$cache = cache_get('avatar_gallery_coordinates')) {
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| 355 |
avatar_gallery_regenerate();
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| 356 |
$cache = cache_get('avatar_gallery_coordinates');
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| 357 |
}
|
| 358 |
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| 359 |
$coords = unserialize($cache->data);
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| 360 |
if ($coords) {
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| 361 |
$amap = '';
|
| 362 |
foreach ($coords as $uid => $coord) {
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| 363 |
$amap .= '<area shape="rect" coords="' . $coord . '" href="' . $root . url("user/" . $uid) . '">';
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| 364 |
}
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| 365 |
return '<map name="avatar_gallery_areamap">' . $amap . '</map>';
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| 366 |
}
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| 367 |
else {
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| 368 |
return '<map name="avatar_gallery_areamap"/>';
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| 369 |
}
|
| 370 |
}
|
| 371 |
|
| 372 |
/**
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| 373 |
* Regenerate the avatar gallery
|
| 374 |
*
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| 375 |
* This is where most of the work is done. here the image is created
|
| 376 |
* and the coordinates of the image map are computed and cached as
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| 377 |
* avatar_gallery_coordinates in the cache system.
|
| 378 |
*
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| 379 |
* The image is created in $file_directory_path/avatar_gallery_md5(time()).jpg
|
| 380 |
*/
|
| 381 |
function avatar_gallery_regenerate()
|
| 382 |
{
|
| 383 |
$order_value = variable_get('avatar_gallery_ordering', 0);
|
| 384 |
$order_sql = _avatar_gallery_ordering('sql');
|
| 385 |
$order = $order_sql[$order_value];
|
| 386 |
|
| 387 |
$miss_image = variable_get('avatar_gallery_miss_image', '');
|
| 388 |
$show_miss = variable_get('avatar_gallery_showall', 0) && $miss_image;
|
| 389 |
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| 390 |
$numcols = variable_get('avatar_gallery_num_cols', 6);
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| 391 |
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| 392 |
$query = 'SELECT uid,name,picture FROM {users} WHERE status != 0 and uid != 0';
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| 393 |
if (!$show_miss) {
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| 394 |
$query .= ' and picture <> \'\'';
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| 395 |
}
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| 396 |
$query .= ' ORDER BY %s';
|
| 397 |
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| 398 |
$row_limit = variable_get('avatar_gallery_num_rows', 0);
|
| 399 |
if ($row_limit != 0) {
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| 400 |
$limit = $row_limit * $numcols;
|
| 401 |
$query .= ' LIMIT ' . $limit;
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| 402 |
}
|
| 403 |
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| 404 |
$items = array();
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| 405 |
$result = db_query($query, $order);
|
| 406 |
while ($account = db_fetch_object($result)) {
|
| 407 |
$items[] = $account;
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| 408 |
}
|
| 409 |
|
| 410 |
// create background
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| 411 |
$hspacing = variable_get('avatar_gallery_hspacing', 100);
|
| 412 |
$vspacing = variable_get('avatar_gallery_vspacing', 100);
|
| 413 |
$margin = variable_get('avatar_gallery_margin', 25);
|
| 414 |
|
| 415 |
$bcolr = variable_get('avatar_gallery_bcolr', 255);
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| 416 |
$bcolg = variable_get('avatar_gallery_bcolg', 255);
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| 417 |
$bcolb = variable_get('avatar_gallery_bcolb', 255);
|
| 418 |
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| 419 |
$new_w = variable_get('avatar_gallery_thumb_hsize', 85);
|
| 420 |
$new_h = variable_get('avatar_gallery_thumb_vsize', 85);
|
| 421 |
$crop = variable_get('avatar_gallery_crop_images', FALSE);
|
| 422 |
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| 423 |
$textsize = variable_get('avatar_gallery_textsize', 15);
|
| 424 |
$font = variable_get('avatar_gallery_font', '');
|
| 425 |
$showtext = variable_get('avatar_gallery_showtext', 0) && $font;
|
| 426 |
$tcolr = variable_get('avatar_gallery_tcolr', 0);
|
| 427 |
$tcolg = variable_get('avatar_gallery_tcolg', 0);
|
| 428 |
$tcolb = variable_get('avatar_gallery_tcolb', 0);
|
| 429 |
|
| 430 |
$quality = variable_get('avatar_gallery_quality', 80);
|
| 431 |
|
| 432 |
$maxx = $numcols * $hspacing + $margin * 2;
|
| 433 |
$maxy = ceil(count($items) / $numcols) * $vspacing + $margin * 2;
|
| 434 |
|
| 435 |
if ($maxy == 0) {
|
| 436 |
$maxy = $vspacing;
|
| 437 |
}
|
| 438 |
|
| 439 |
$dst_img = ImageCreateTrueColor($maxx, $maxy);
|
| 440 |
$bcol = imagecolorallocate($dst_img, $bcolr, $bcolg, $bcolb);
|
| 441 |
imagefill($dst_img, 0, 0, $bcol);
|
| 442 |
|
| 443 |
$tcol = imagecolorallocate($dst_img, $tcolr, $tcolg, $tcolb);
|
| 444 |
|
| 445 |
if ($showtext) {
|
| 446 |
$dimensions = imagettfbbox($textsize, 0, $font, 'W');
|
| 447 |
$lineHeight = ($dimensions[1] - $dimensions[7]); // the height of a single line
|
| 448 |
}
|
| 449 |
|
| 450 |
$colnum = -1;
|
| 451 |
$rownum = 0;
|
| 452 |
foreach ($items as $k => $v) {
|
| 453 |
|
| 454 |
$picfile = $v->picture;
|
| 455 |
if ($picfile != '' || $show_miss) {
|
| 456 |
if ($picfile == '' || !file_exists($picfile)) {
|
| 457 |
if ($miss_image == '') {
|
| 458 |
drupal_set_message(t('The missing image file has not been specified'));
|
| 459 |
}
|
| 460 |
$picfile = $miss_image;
|
| 461 |
}
|
| 462 |
$colnum++;
|
| 463 |
if ($colnum >= $numcols) {
|
| 464 |
$rownum++;
|
| 465 |
$colnum=0;
|
| 466 |
}
|
| 467 |
|
| 468 |
// we have a picture
|
| 469 |
$image_data = @getimagesize($picfile);
|
| 470 |
$image_type = $image_data[2];
|
| 471 |
if ($image_type == 1) {
|
| 472 |
$src_img = imagecreatefromgif($picfile);
|
| 473 |
}
|
| 474 |
elseif ($image_type == 2) {
|
| 475 |
$src_img = imagecreatefromjpeg($picfile);
|
| 476 |
}
|
| 477 |
elseif ($image_type == 3) {
|
| 478 |
$src_img = imagecreatefrompng($picfile);
|
| 479 |
}
|
| 480 |
else {
|
| 481 |
if ($picfile != '') {
|
| 482 |
drupal_set_message(t('Avatar Gallery: unsupported image format: @picfile', array('@picfile' => $picfile)));
|
| 483 |
}
|
| 484 |
continue;
|
| 485 |
}
|
| 486 |
|
| 487 |
$old_w = imagesx($src_img);
|
| 488 |
$old_h = imagesy($src_img);
|
| 489 |
|
| 490 |
if ($crop) {
|
| 491 |
$thumb_w = $new_w;
|
| 492 |
$thumb_h = $new_h;
|
| 493 |
|
| 494 |
$pic_x = $colnum * $hspacing + $margin;
|
| 495 |
$pic_y = $rownum * $vspacing + $margin;
|
| 496 |
|
| 497 |
if (($old_w / $old_h) > ($new_w / $new_h)) {
|
| 498 |
$w = $new_w * $old_h / $new_h;
|
| 499 |
|
| 500 |
$crop_x = ($old_w - $w) / 2;
|
| 501 |
$crop_y = 0;
|
| 502 |
|
| 503 |
$old_w = $w;
|
| 504 |
}
|
| 505 |
else if (($old_w / $old_h) < ($new_w / $new_h)) {
|
| 506 |
$h = $new_h * $old_w / $new_w;
|
| 507 |
|
| 508 |
$crop_x = 0;
|
| 509 |
$crop_y = ($old_h - $h) / 2;
|
| 510 |
|
| 511 |
$old_h = $h;
|
| 512 |
}
|
| 513 |
else if (($old_w / $old_h) == ($new_w / $new_h)) {
|
| 514 |
$crop_x = 0;
|
| 515 |
$crop_y = 0;
|
| 516 |
}
|
| 517 |
}
|
| 518 |
else {
|
| 519 |
if (($old_w / $old_h) > ($new_w / $new_h)) {
|
| 520 |
$thumb_w = $new_w;
|
| 521 |
$thumb_h = $old_h * ($new_w/$old_w);
|
| 522 |
}
|
| 523 |
else if (($old_w / $old_h) < ($new_w / $new_h)) {
|
| 524 |
$thumb_w = $old_w * ($new_h/$old_h);
|
| 525 |
$thumb_h = $new_h;
|
| 526 |
}
|
| 527 |
else if (($old_w / $old_h) == ($new_w / $new_h)) {
|
| 528 |
$thumb_w = $new_w;
|
| 529 |
$thumb_h = $new_h;
|
| 530 |
}
|
| 531 |
|
| 532 |
$maxs = max($thumb_w, $thumb_h);
|
| 533 |
|
| 534 |
$pic_x = ($maxs-$thumb_w)/2 + $colnum * $hspacing + $margin;
|
| 535 |
$pic_y = ($maxs-$thumb_h)/2 + $rownum * $vspacing + $margin;
|
| 536 |
|
| 537 |
$crop_x = 0;
|
| 538 |
$crop_y = 0;
|
| 539 |
}
|
| 540 |
|
| 541 |
imagecopyresampled(
|
| 542 |
$dst_img, $src_img,
|
| 543 |
$pic_x, $pic_y,
|
| 544 |
$crop_x, $crop_y,
|
| 545 |
$thumb_w, $thumb_h,
|
| 546 |
$old_w, $old_h);
|
| 547 |
|
| 548 |
$coords[$v->uid] = $pic_x.",".$pic_y.",".($pic_x+$thumb_w).",".($pic_y+$thumb_h);
|
| 549 |
|
| 550 |
// now write name of user under picture
|
| 551 |
if ($showtext) {
|
| 552 |
$dimensions = imagettfbbox($textsize, 0, $font, $v->name);
|
| 553 |
$lineWidth = $dimensions[2] - $dimensions[0]; // get the length of this line, if the word is to be included
|
| 554 |
|
| 555 |
$leftStart=-$lineWidth/2;
|
| 556 |
imagettftext(
|
| 557 |
$dst_img,
|
| 558 |
$textsize,
|
| 559 |
0,
|
| 560 |
$colnum * $hspacing + $margin + $new_w / 2 + $leftStart,
|
| 561 |
$rownum * $vspacing + $margin + $new_h + $lineHeight,
|
| 562 |
$tcol,
|
| 563 |
$font,
|
| 564 |
$v->name);
|
| 565 |
}
|
| 566 |
|
| 567 |
// destroy thumbnail
|
| 568 |
imagedestroy($src_img);
|
| 569 |
}
|
| 570 |
}
|
| 571 |
|
| 572 |
$current_image_path = variable_get('file_directory_path', 'files') . '/' . variable_get('avatar_gallery_image_name', 'avatar_gallery.jpg');
|
| 573 |
|
| 574 |
$new_image_name = 'avatar_gallery_' . md5(time()) . '.jpg';
|
| 575 |
imagejpeg($dst_img, variable_get('file_directory_path', 'files') . '/' . $new_image_name, $quality);
|
| 576 |
variable_set('avatar_gallery_image_name', $new_image_name);
|
| 577 |
|
| 578 |
if (file_exists($current_image_path)) {
|
| 579 |
file_delete($current_image_path);
|
| 580 |
}
|
| 581 |
|
| 582 |
imagedestroy($dst_img);
|
| 583 |
|
| 584 |
cache_clear_all('avatar_gallery_coordinates', 'cache');
|
| 585 |
cache_set('avatar_gallery_coordinates', 'cache', serialize($coords), CACHE_PERMANENT);
|
| 586 |
}
|
| 587 |
|
| 588 |
?>
|
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