for ($x = 0; $x < count($notes); $x++) {
$ratio = $preview_width / $notes[$x]['preview_width'];
$notes[$x]['width'] = $ratio * $notes[$x]['width'];
$notes[$x]['height'] = $ratio * $notes[$x]['height'];
$notes[$x]['top_pos'] = $ratio * $notes[$x]['top_pos'];
$notes[$x]['left_pos'] = $ratio * $notes[$x]['left_pos'];
$notes[$x]['note'] = str_replace(chr(13) . chr(10), '<br />\\n', $notes[$x]['note']);
$notes[$x]['note'] = str_replace(chr(13), '<br />\\n', $notes[$x]['note']);
$notes[$x]['note'] = str_replace(chr(10), '<br />\\n', $notes[$x]['note']);
if (!$annotate_show_author) {
$notes[$x]['note'] = substr(strstr($notes[$x]['note'], ": "), 2);
}
if ($x > 0) {
$json .= ",";
}
$json .= "{";
$json .= '"top":' . round($notes[$x]['top_pos']) . ', ';
$json .= '"left":' . round($notes[$x]['left_pos']) . ', ';
$json .= '"width":' . round($notes[$x]['width']) . ', ';
$json .= '"height":' . round($notes[$x]['height']) . ', ';
$json .= '"text":"' . config_encode($notes[$x]['note']) . '", ';
$json .= '"id":"' . $notes[$x]['note_id'] . '", ';
if (isset($userref) && ($notes[$x]['user'] == $userref || in_array($usergroup, $annotate_admin_edit_access))) {
$json .= '"editable":true';
} else {
$json .= '"editable":false';
}
$json .= "}";
}
$json .= "]";
echo $json;
/**
* A subset json_encode function that only works on $config arrays but has none
* of the version-to-version variability and other "unusual" behavior of PHP's.
* implementation.
*
* @param $config mixed a configuration variables array. This *must* be an array
* whose elements are UTF-8 encoded strings, booleans, numbers or arrays
* of such elements and whose keys are either numbers or UTF-8 encoded
* strings.
* @return json encoded version of $config or null if $config is beyond our
* capabilities to encode
*/
function config_json_encode($config)
{
$i=0;
$simple_keys = true;
foreach ($config as $name => $value)
{
if (!is_numeric($name) || ($name != $i++))
{
$simple_keys = false;
break;
}
}
$output = $simple_keys?'[':'{';
foreach ($config as $name => $value)
{
if (!$simple_keys)
{
$output .= '"' . config_encode($name) . '":';
}
if (is_string($value))
{
$output .= '"' . config_encode($value) . '"';
}
elseif (is_bool($value))
{
$output .= $value?'true':'false';
}
elseif (is_numeric($value))
{
$output .= strval($value);
}
elseif (is_array($value))
{
$output .= config_json_encode($value);
}
else
{
return NULL; // Give up; beyond our capabilities
}
$output .= ', ';
}
if (substr($output, -2) == ', ')
{
$output = substr($output, 0, -2);
}
return $output . ($simple_keys?']':'}');
}
