'textfield',
'#title' => t('Width'),
'#required' => TRUE,
'#default_value' => $data['width'],
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#required' => TRUE,
'#default_value' => $data['height'],
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['xoffset'] = array(
'#type' => 'textfield',
'#title' => t('X offset'),
'#default_value' => $data['xoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: left, center, or right.'),
);
$form['yoffset'] = array(
'#type' => 'textfield',
'#title' => t('Y offset'),
'#default_value' => $data['yoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: top, center, or bottom.'),
);
$form['resizable'] = array(
'#type' => 'checkbox',
'#title' => t('Is the toolbox resizable or not?'),
'#default_value' => $data['resizable'],
'#description' => t('If the toolbox is resized, the crop values won\'t be respected, so you should add a Scale action after the ImageCrop.'),
);
$description = t('Enter an aspect ratio to preserve during resizing. This can take one of the following formats:');
$description .= '- '. t('A float (like 0.5 or 2).') .'
';
$description .= '- '. t('The string \'KEEP\'. This will constrain the aspect ratio to that of the original image.') .'
';
$description .= '- '. t('The string \'CROP\'. This will constrain the aspect ratio to the dimensions set above.') .'
';
$description .= t('Leave blank for no aspect ratio constraints.');
$form['aspect'] = array(
'#type' => 'textfield',
'#title' => t('Aspect ratio'),
'#default_value' => $data['aspect'],
'#description' => $description,
'#element_validate' => array('imagecrop_validate_aspect'),
);
$form['disable_if_no_data'] = array(
'#type' => 'checkbox',
'#title' => t('Don\'t crop if cropping region wasn\'t set.'),
'#default_value' => $data['disable_if_no_data'],
);
return $form;
}
/**
* Display properties of a single action
*
* @param $element passed on by imagecache
* @return string
*/
function theme_imagecrop_javascript($element) {
$data = $element['#value'];
return 'width: '. $data['width'] .', height: '. $data['height'] .', xoffset: '. $data['xoffset'] .', yoffset: '. $data['yoffset'] .', resizable: '. $data['resizable'] .', aspect ratio: '. $data['aspect'] .', don\'t crop if region is not set: '. $data['disable_if_no_data'];
}
/**
* Callback to perform the crop on an image
*
* @param $image current image resource
* @param $data values associated with this action
* @return false or true
*/
function imagecrop_javascript_image(&$image, $data) {
$presetid = '';
// if a global presetid is been set, it meens the image is generated from the imagecrop module
if (isset($GLOBALS['imagecrop_presetid'])) {
$presetid = $GLOBALS['imagecrop_presetid'];
}
// and if not, then get the id from list of all presets
else {
$args = explode('/', $_GET['q']);
$key = array_search('imagecache', $args);
if ($key != FALSE) {
$key++;
$presetname = $args[$key];
$all_presets = imagecache_presets();
foreach ($all_presets as $preset) {
if ($preset['presetname'] == $presetname) {
$presetid = $preset['presetid'];
break;
}
}
}
}
if (!empty($presetid)) {
$row = db_fetch_object(db_query("SELECT xoffset,yoffset,width,height,scale FROM {imagecrop} ic INNER JOIN {files} f on f.fid = ic.fid WHERE f.filepath = '%s' AND ic.presetid = %d AND reference = 'files'", $image->source, $presetid));
// support for node images (this sucks in a way, because images are not stored in the files table)
if (module_exists('node_images')) {
$directory = variable_get('node_images_path', 'node_images');
$pos = strpos($image->source, $directory);
if ($pos !== FALSE)
$row = db_fetch_object(db_query("SELECT xoffset,yoffset,width,height,scale FROM {imagecrop} ic INNER JOIN {node_images} ni on ni.id = ic.fid WHERE ni.filepath = '%s' AND ic.presetid = %d AND reference = 'node_images'", $image->source, $presetid));
}
$firstscale = FALSE;
// fill cropping info from database
if (!empty($row)) {
$data['xoffset'] = $row->xoffset;
$data['yoffset'] = $row->yoffset;
$data['width'] = $row->width;
$data['height'] = $row->height;
$firstscale = TRUE;
}
else {
// If there is no data in DB, use default or exit
if ($data['disable_if_no_data'] == 1) {
return TRUE;
}
}
// add scale if necessary
if ($row->scale != 'original' && $firstscale == TRUE) {
if (!imageapi_image_scale($image, $row->scale, '', FALSE)) {
watchdog('imagecrop', t('imagecache_scale_image failed before imagecrop'), WATCHDOG_ERROR);
return FALSE;
}
}
}
if (!imageapi_image_crop($image, $data['xoffset'], $data['yoffset'], $data['width'], $data['height'])) {
watchdog('imagecrop', t('imagecrop_javascript failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, TRUE))), WATCHDOG_ERROR);
return FALSE;
}
return TRUE;
}