public function mathml2accessible($data, $config)
{
$availableLangs = array('en', 'es');
$parsedUrl = parse_url($data['src']);
parse_str($parsedUrl['query']);
$md5 = substr($formula, 0, strlen($formula) - 4);
$lang = 'en';
if (in_array($data['lang'], $availableLangs)) {
$lang = $data['lang'];
}
$accessibilityTextPath = wrs_getCacheDirectory($config) . '/' . $md5 . '.' . $lang . '.txt';
if (is_file($accessibilityTextPath) || $this->createAndSaveAccessibilityText($config, $accessibilityTextPath, $data)) {
return file_get_contents($accessibilityTextPath);
} else {
echo 'Error creating the accessibility file.';
}
}
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with WIRIS Plugin. If not, see <http://www.gnu.org/licenses/>.
//
require_once 'bootstrap.php';
include 'libwiris.php';
$currentPath = dirname($_SERVER['PHP_SELF']) . '/';
if (isset($_POST['image'])) {
$fileName = md5($_POST['image']);
$config = wrs_loadConfig(WRS_CONFIG_FILE);
$formulaPath = wrs_getFormulaDirectory($config) . '/' . $fileName . '.xml';
if (isset($_POST['mml']) && !is_file($formulaPath)) {
file_put_contents($formulaPath, $_POST['mml']);
}
$url = $currentPath . 'showcasimage.php?formula=' . $fileName . '.png';
$imagePath = wrs_getCacheDirectory($config) . '/' . $fileName . '.png';
if (!is_file($imagePath)) {
if (file_put_contents($imagePath, base64_decode($_POST['image'])) !== false) {
echo $url;
} else {
echo $currentPath . '../core/cas.gif';
}
} else {
echo $url;
}
} else {
echo $currentPath . '../core/cas.gif';
}
// This file is part of WIRIS Plugin.
//
// WIRIS Plugin is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// WIRIS Plugin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with WIRIS Plugin. If not, see <http://www.gnu.org/licenses/>.
//
require_once 'bootstrap.php';
include 'libwiris.php';
if (empty($_GET['formula'])) {
echo 'Error: no image name has been sended.';
} else {
$config = wrs_loadConfig(WRS_CONFIG_FILE);
$formula = basename($_GET['formula']);
$filePath = wrs_getCacheDirectory($config) . '/' . $formula;
if (is_file($filePath)) {
header('Content-Type: image/png');
readfile($filePath);
} else {
header('Content-Type: image/gif');
readfile('../core/cas.gif');
}
}
{
global $wrs_xmlFileAttributes;
foreach ($_GET as $key => $value) {
if (in_array($key, $wrs_xmlFileAttributes) || substr($key, 0, 4) == 'font') {
return false;
}
}
return true;
}
if (!empty($_GET['formula'])) {
$config = wrs_loadConfig(WRS_CONFIG_FILE);
$formula = rtrim(basename($_GET['formula']), '.png');
$formulaPath = wrs_getFormulaDirectory($config) . '/' . $formula;
$extension = is_file($formulaPath . '.ini') ? 'ini' : 'xml';
if (mustBeCached()) {
$imagePath = wrs_getCacheDirectory($config) . '/' . $formula . '.png';
if (is_file($imagePath) || createAndSaveImage($config, $formulaPath, $extension, $imagePath)) {
header('Content-Type: image/png');
readfile($imagePath);
} else {
echo 'Error creating the image.';
}
} else {
$imageStream = createImage($config, $formulaPath, $extension, true);
if (is_null($imageStream)) {
echo 'Error creating the image.';
} else {
header('Content-Type: image/png');
echo $imageStream;
}
}
$test_name = 'Creating a random image';
$mathml = '<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mn>' . rand(0, 9999) . '</mn><mo>+</mo><mn>' . rand(0, 9999) . '</mn></mrow></math>';
$api = new com_wiris_plugin_PluginAPI();
$src = $api->mathml2img($mathml, dirname($_SERVER["REQUEST_URI"]));
$prefix = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] ? 'https://' : 'http://';
if (isset($_SERVER['HTTP_HOST'])) {
$host = $_SERVER['HTTP_HOST'] . '/';
} else {
$host = $_SERVER['SERVER_NAME'] . '/';
}
$query = parse_url($src, PHP_URL_QUERY);
$query_array = array();
parse_str($query, $query_array);
$report_text = '<img align="middle" src="' . $src . '" />';
$solution_link = '';
$imageFile = wrs_getCacheDirectory($config) . '/' . $query_array['formula'];
if (ini_get('allow_url_fopen')) {
@fopen($prefix . $host . $src, 'r');
echo wrs_createTableRow($test_name, $report_text, $solution_link, file_exists($imageFile));
} else {
if (function_exists('curl_init')) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $prefix . $host . $src);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$content = curl_exec($ch);
curl_close($ch);
echo wrs_createTableRow($test_name, $report_text, $solution_link, file_exists($imageFile));
} else {
echo wrs_createTableRow($test_name, $report_text, $solution_link, false, false);
}
}