/[drupal]/contributions/modules/watermark/watermark.module
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revision 1.5.2.5, Sat Jul 7 17:53:29 2007 UTC revision 1.5.2.6, Sat May 17 20:38:05 2008 UTC
# Line 1  Line 1 
1  <?php  <?php
2    
3  // $Id: watermark.module,v 1.5.2.4 2007/07/03 17:59:47 kbahey Exp $  // $Id: watermark.module,v 1.5.2.5 2007/07/07 17:53:29 kbahey Exp $
4  // Author: Khalid Baheyeldin of http://2bits.com  // Author: Khalid Baheyeldin of http://2bits.com
5  // Additional features by schnizZzla for http://BerlinerStrassen.com  // Additional features by schnizZzla for http://BerlinerStrassen.com
6    
# Line 59  function watermark_admin_settings() { Line 59  function watermark_admin_settings() {
59    $form['watermark'] = array(    $form['watermark'] = array(
60      '#type' => 'fieldset',      '#type' => 'fieldset',
61      '#title' => t('Watermark'),      '#title' => t('Watermark'),
62      '#collapsible' => true,      '#collapsible' => TRUE,
63      '#weight' => -1,      '#weight' => -1,
64    );    );
65    
66    $form['watermark'][WATERMARK_ENABLE] = array(    $form['watermark'][WATERMARK_ENABLE] = array(
67      '#type' => 'checkbox',      '#type' => 'checkbox',
68      '#title' => t('Enable watermarking of new images?'),      '#title' => t('Enable watermarking of new images?'),
69      '#default_value' => variable_get(WATERMARK_ENABLE, false),      '#default_value' => variable_get(WATERMARK_ENABLE, FALSE),
70      '#description' => t('Check this box to enable watermarking of new images.'),      '#description' => t('Check this box to enable watermarking of new images.'),
71      );      );
72    
# Line 75  function watermark_admin_settings() { Line 75  function watermark_admin_settings() {
75      '#title' => t('Watermark overlay image'),      '#title' => t('Watermark overlay image'),
76      '#size' => 70,      '#size' => 70,
77      '#maxlength' => 255,      '#maxlength' => 255,
78      '#required' => true,      '#required' => TRUE,
79      '#default_value' => variable_get(WATERMARK_PATH, ''),      '#default_value' => variable_get(WATERMARK_PATH, ''),
80      '#description' => t('Path of the image that should be used as the watermark image, relative to the Drupal root.  This should be a truecolor (32 bit) PNG file with an alpha channel, but other formats may work.'),      '#description' => t('Path of the image that should be used as the watermark image, relative to the Drupal root.  This should be a truecolor (32 bit) PNG file with an alpha channel, but other formats may work.'),
81      );      );
# Line 103  function watermark_admin_settings() { Line 103  function watermark_admin_settings() {
103    $form['watermark']['scaling'] = array(    $form['watermark']['scaling'] = array(
104      '#type' => 'fieldset',      '#type' => 'fieldset',
105      '#title' => t('Watermark scaling'),      '#title' => t('Watermark scaling'),
106      '#collapsible' => true,      '#collapsible' => TRUE,
107      '#collapsed' => true,      '#collapsed' => TRUE,
108    );    );
109    
110    $form['watermark']['scaling'][WATERMARK_SCALING] = array(    $form['watermark']['scaling'][WATERMARK_SCALING] = array(
111      '#type' => 'checkbox',      '#type' => 'checkbox',
112      '#title' => t('Scale watermark'),      '#title' => t('Scale watermark'),
113      '#description' => t('Use scaling, if you want the watermark to be proportional to the image width. Please note that the watermark is scaled only, when it is too big.'),      '#description' => t('Use scaling, if you want the watermark to be proportional to the image width. Please note that the watermark is scaled only, when it is too big.'),
114      '#default_value' => variable_get(WATERMARK_SCALING, false),      '#default_value' => variable_get(WATERMARK_SCALING, FALSE),
115    );    );
116    
117    $form['watermark']['scaling'][WATERMARK_SCALING_PERCENTAGE] = array(    $form['watermark']['scaling'][WATERMARK_SCALING_PERCENTAGE] = array(
# Line 133  function watermark_admin_settings() { Line 133  function watermark_admin_settings() {
133    $form['watermark']['labels'] = array(    $form['watermark']['labels'] = array(
134      '#type' => 'fieldset',      '#type' => 'fieldset',
135      '#title' => t('Apply watermark to the following images'),      '#title' => t('Apply watermark to the following images'),
136      '#collapsible' => false,      '#collapsible' => FALSE,
137      '#description' => t('Check which images you want to apply watermarks for.'),      '#description' => t('Check which images you want to apply watermarks for.'),
138    );    );
139    
140    foreach (_image_get_sizes() as $size) {    foreach (_image_get_sizes() as $id => $size) {
141      $label_list[] = $size['label'];      $label_var = WATERMARK . $id;
   }  
   $label_list[] = IMAGE_ORIGINAL;  
   
   foreach ($label_list as $label) {  
     $label_var = WATERMARK . $label;  
142      $form['watermark']['labels'][$label_var] = array(      $form['watermark']['labels'][$label_var] = array(
143        '#type' => 'checkbox',        '#type' => 'checkbox',
144        '#title' => $label,        '#title' => $size['label'] . " ($id)",
145        '#default_value' => variable_get($label_var, false),        '#default_value' => variable_get($label_var, FALSE),
146      );      );
147    }    }
148    
# Line 158  function watermark_admin_settings() { Line 153  function watermark_admin_settings() {
153    $form['watermark']['toggles'] = array(    $form['watermark']['toggles'] = array(
154      '#type' => 'fieldset',      '#type' => 'fieldset',
155      '#title' => t('Toggles'),      '#title' => t('Toggles'),
156      '#collapsible' => true,      '#collapsible' => TRUE,
157      '#collapsed' => true,      '#collapsed' => TRUE,
158    );    );
159    
160    $form['watermark']['toggles'][WATERMARK_EXCLUDE_TERMS] = array(    $form['watermark']['toggles'][WATERMARK_EXCLUDE_TERMS] = array(
# Line 169  function watermark_admin_settings() { Line 164  function watermark_admin_settings() {
164      '#description' => $exclude_terms_description,      '#description' => $exclude_terms_description,
165      '#default_value' => variable_get(WATERMARK_EXCLUDE_TERMS, array()),      '#default_value' => variable_get(WATERMARK_EXCLUDE_TERMS, array()),
166      '#options' => _watermark_get_gallery_terms(),      '#options' => _watermark_get_gallery_terms(),
167      '#multiple' => true,      '#multiple' => TRUE,
168    );    );
169    
170    return system_settings_form($form);    return system_settings_form($form);
# Line 213  function watermark_check_functions() { Line 208  function watermark_check_functions() {
208    }    }
209    
210    if (!empty($errors)) {    if (!empty($errors)) {
211      return false;      return FALSE;
212    }    }
213    
214    return true;    return TRUE;
215  }  }
216    
217  function watermark_nodeapi(&$node, $op, $teaser = null, $page = null) {  function watermark_nodeapi(&$node, $op, $teaser = null, $page = null) {
# Line 224  function watermark_nodeapi(&$node, $op, Line 219  function watermark_nodeapi(&$node, $op,
219      return;      return;
220    }    }
221    
222    if (!variable_get(WATERMARK_ENABLE, false)) {    if (!variable_get(WATERMARK_ENABLE, FALSE)) {
223      return;      return;
224    }    }
225    
# Line 259  function watermark_nodeapi(&$node, $op, Line 254  function watermark_nodeapi(&$node, $op,
254  function watermark_form_alter($form_id, &$form) {  function watermark_form_alter($form_id, &$form) {
255    // additional option to toggle watermark process when a user has "manage watermarks" permission    // additional option to toggle watermark process when a user has "manage watermarks" permission
256    if ($form_id == 'image_node_form' && user_access(WATERMARK_PERM_MANAGE)) {    if ($form_id == 'image_node_form' && user_access(WATERMARK_PERM_MANAGE)) {
257      $apply_watermark = true;      $apply_watermark = TRUE;
258    
259      if (preg_match('/^\/node\/[0-9]+\/edit$/i', $form['#action'])) {      if (preg_match('/^\/node\/[0-9]+\/edit$/i', $form['#action'])) {
260        $apply_watermark = false;        $apply_watermark = FALSE;
261      }      }
262      else if ($form['#action'] != '/node/add/image') {      else if ($form['#action'] != '/node/add/image') {
263        return;        return;
# Line 271  function watermark_form_alter($form_id, Line 266  function watermark_form_alter($form_id,
266      $form['watermark'] = array(      $form['watermark'] = array(
267        '#type' => 'fieldset',        '#type' => 'fieldset',
268        '#title' => t('Watermark settings'),        '#title' => t('Watermark settings'),
269        '#collapsible' => true,        '#collapsible' => TRUE,
270        '#collapsed' => false,        '#collapsed' => FALSE,
271      );      );
272      $form['watermark']['wm_apply'] = array(      $form['watermark']['wm_apply'] = array(
273        '#title' => t('Apply watermark'),        '#title' => t('Apply watermark'),
# Line 287  function _watermark_apply($node) { Line 282  function _watermark_apply($node) {
282    $watermark = variable_get(WATERMARK_PATH, '');    $watermark = variable_get(WATERMARK_PATH, '');
283    $location = variable_get(WATERMARK_LOCATION, 0);    $location = variable_get(WATERMARK_LOCATION, 0);
284    foreach ($node->images as $label => $filepath) {    foreach ($node->images as $label => $filepath) {
285      if (variable_get(WATERMARK . $label, false)) {      if (variable_get(WATERMARK . $label, FALSE)) {
286        if (_watermark_process($filepath, $watermark, $location)) {        if (_watermark_process($filepath, $watermark, $location)) {
287          drupal_set_message(t('Watermark applied to image: %file', array('%file' => $label)));          drupal_set_message(t('Watermark applied to image: %file', array('%file' => $label)));
288        }        }
# Line 301  function _watermark_apply($node) { Line 296  function _watermark_apply($node) {
296    
297  function _watermark_process($image_path, $watermark_path, $location) {  function _watermark_process($image_path, $watermark_path, $location) {
298    // init return status    // init return status
299    $status = false;    $status = FALSE;
300    
301    $scaling = variable_get(WATERMARK_SCALING, false);    $scaling = variable_get(WATERMARK_SCALING, FALSE);
302    
303    if (!$wm_info = _watermark_make_image($watermark_path)) {    if (!$wm_info = _watermark_make_image($watermark_path)) {
304      return false;      return FALSE;
305    }    }
306    $wm = $wm_info['handle'];    $wm = $wm_info['handle'];
307    
308    if (!$im_info = _watermark_make_image($image_path)) {    if (!$im_info = _watermark_make_image($image_path)) {
309      return false;      return FALSE;
310    }    }
311    $im = $im_info['handle'];    $im = $im_info['handle'];
312    
# Line 322  function _watermark_process($image_path, Line 317  function _watermark_process($image_path,
317      imagedestroy($im);      imagedestroy($im);
318      $im = $new_im;      $im = $new_im;
319    }    }
320    imagealphablending($im, true);    imagealphablending($im, TRUE);
321    
322    $im_x = $im_info['width'];    $im_x = $im_info['width'];
323    $im_y = $im_info['height'];    $im_y = $im_info['height'];
# Line 418  function _watermark_process($image_path, Line 413  function _watermark_process($image_path,
413      watchdog(WATERMARK_WATCHDOG, $msg, WATCHDOG_ERROR);      watchdog(WATERMARK_WATCHDOG, $msg, WATCHDOG_ERROR);
414    }    }
415    else {    else {
416      $status = true;      $status = TRUE;
417    }    }
418    
419    imagedestroy($im);    imagedestroy($im);
# Line 431  function _watermark_make_image($file) { Line 426  function _watermark_make_image($file) {
426    
427    if (!file_exists($file)) {    if (!file_exists($file)) {
428      drupal_set_message(t('Image file %file not found.', array('%file' => $file ) ), 'error');      drupal_set_message(t('Image file %file not found.', array('%file' => $file ) ), 'error');
429      return false;      return FALSE;
430    }    }
431    
432    $type = exif_imagetype($file);    $type = exif_imagetype($file);
# Line 452  function _watermark_make_image($file) { Line 447  function _watermark_make_image($file) {
447      default:      default:
448        // Unsupported type        // Unsupported type
449        drupal_set_message(t('Image file %file is an unsupported format type=%type.', array( '%file' => $file, '%type' => $type ) ), 'error');        drupal_set_message(t('Image file %file is an unsupported format type=%type.', array( '%file' => $file, '%type' => $type ) ), 'error');
450        return false;        return FALSE;
451    }    }
452    
453    $function = 'imagecreatefrom'. $type;    $function = 'imagecreatefrom'. $type;
# Line 460  function _watermark_make_image($file) { Line 455  function _watermark_make_image($file) {
455    
456    if (!$handle) {    if (!$handle) {
457      drupal_set_message(t('Failed to create handle for image file %file via function %function.', array( '%file' => $file, '%function' => $function )), 'error');      drupal_set_message(t('Failed to create handle for image file %file via function %function.', array( '%file' => $file, '%function' => $function )), 'error');
458      return false;      return FALSE;
459    }    }
460    
461    // create image info    // create image info
# Line 507  function _watermark_get_gallery_vid() { Line 502  function _watermark_get_gallery_vid() {
502      if (!$vid) {      if (!$vid) {
503    
504        // change: we don't want to create any vocabulary here        // change: we don't want to create any vocabulary here
505        return false;        return FALSE;
506      }      }
507      variable_set('image_gallery_nav_vocabulary', $vid);      variable_set('image_gallery_nav_vocabulary', $vid);
508    }    }
# Line 530  function _watermark_is_node_excluded($no Line 525  function _watermark_is_node_excluded($no
525          foreach ($tids as $tid => $status) {          foreach ($tids as $tid => $status) {
526            if ($status!=0 && in_array($tid, $excluded_tids)) {            if ($status!=0 && in_array($tid, $excluded_tids)) {
527              // at least one term matches excluded terms              // at least one term matches excluded terms
528              return true;              return TRUE;
529            }            }
530          }          }
531        }        }
532        // it's not a multiple select vocabulary        // it's not a multiple select vocabulary
533        else if (!empty($tids) && $vid == $gallery_vid && in_array($tids, $excluded_tids)) {        else if (!empty($tids) && $vid == $gallery_vid && in_array($tids, $excluded_tids)) {
534          // excluded term found          // excluded term found
535          return true;          return TRUE;
536        }        }
537      }      }
538    }    }
539    return false;    return FALSE;
540  }  }
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