/**
* Crops vertically this rectangle by increasing top side and/or reducing the bottom side.
*
* @param int $pixels - the amount to substract from the height
* @param string $coi - a 4 character string (or null) containing the center of interest
*/
function crop_v($pixels, $coi)
{
if ($this->height() <= $pixels) {
return;
}
$tlcrop = floor($pixels / 2);
if (!empty($coi)) {
$coit = floor($this->b * char_to_fraction($coi[1]));
$coib = ceil($this->b * char_to_fraction($coi[3]));
$availableT = $coit > $this->t ? $coit - $this->t : 0;
$availableB = $coib < $this->b ? $this->b - $coib : 0;
if ($availableT + $availableB >= $pixels) {
if ($availableT < $tlcrop) {
$tlcrop = $availableT;
} elseif ($availableB < $tlcrop) {
$tlcrop = $pixels - $availableB;
}
}
}
$this->t += $tlcrop;
$this->b -= $pixels - $tlcrop;
}
function parse_custom_params($tokens)
{
if (count($tokens) < 1) {
ierror('Empty array while parsing Sizing', 400);
}
$crop = 0;
$min_size = null;
$token = array_shift($tokens);
if ($token[0] == 's') {
$size = url_to_size(substr($token, 1));
} elseif ($token[0] == 'e') {
$crop = 1;
$size = $min_size = url_to_size(substr($token, 1));
} else {
$size = url_to_size($token);
if (count($tokens) < 2) {
ierror('Sizing arr', 400);
}
$token = array_shift($tokens);
$crop = char_to_fraction($token);
$token = array_shift($tokens);
$min_size = url_to_size($token);
}
return new DerivativeParams(new SizingParams($size, $crop, $min_size));
}
$query = 'SELECT * FROM ' . IMAGES_TABLE . ' WHERE id=' . $_GET['image_id'];
$row = pwg_db_fetch_assoc(pwg_query($query));
if (isset($_POST['submit'])) {
foreach (ImageStdParams::get_defined_type_map() as $params) {
if ($params->sizing->max_crop != 0) {
delete_element_derivatives($row, $params->type);
}
}
delete_element_derivatives($row, IMG_CUSTOM);
$uid = '&b=' . time();
$conf['question_mark_in_urls'] = $conf['php_extension_in_urls'] = true;
if ($conf['derivative_url_style'] == 1) {
$conf['derivative_url_style'] = 0;
//auto
}
} else {
$uid = '';
}
$tpl_var = array('TITLE' => render_element_name($row), 'ALT' => $row['file'], 'U_IMG' => DerivativeImage::url(IMG_LARGE, $row));
if (!empty($row['coi'])) {
$tpl_var['coi'] = array('l' => char_to_fraction($row['coi'][0]), 't' => char_to_fraction($row['coi'][1]), 'r' => char_to_fraction($row['coi'][2]), 'b' => char_to_fraction($row['coi'][3]));
}
foreach (ImageStdParams::get_defined_type_map() as $params) {
if ($params->sizing->max_crop != 0) {
$derivative = new DerivativeImage($params, new SrcImage($row));
$template->append('cropped_derivatives', array('U_IMG' => $derivative->get_url() . $uid, 'HTM_SIZE' => $derivative->get_size_htm()));
}
}
$template->assign($tpl_var);
$template->set_filename('picture_coi', 'picture_coi.tpl');
$template->assign_var_from_handle('ADMIN_CONTENT', 'picture_coi');