first
This commit is contained in:
Tim Bendt
948
system/vendor/brunodebarros/dompdf/src/Helpers.php
vendored
Executable file
948
system/vendor/brunodebarros/dompdf/src/Helpers.php
vendored
Executable file
@@ -0,0 +1,948 @@
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<?php
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namespace Dompdf;
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class Helpers
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{
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/**
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* print_r wrapper for html/cli output
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*
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* Wraps print_r() output in < pre > tags if the current sapi is not 'cli'.
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* Returns the output string instead of displaying it if $return is true.
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*
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* @param mixed $mixed variable or expression to display
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* @param bool $return
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*
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* @return string|null
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*/
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public static function pre_r($mixed, $return = false)
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{
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if ($return) {
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return "<pre>" . print_r($mixed, true) . "</pre>";
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}
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if (php_sapi_name() !== "cli") {
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echo "<pre>";
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}
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print_r($mixed);
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if (php_sapi_name() !== "cli") {
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echo "</pre>";
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} else {
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echo "\n";
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}
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flush();
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return null;
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}
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/**
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* builds a full url given a protocol, hostname, base path and url
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*
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* @param string $protocol
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* @param string $host
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* @param string $base_path
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* @param string $url
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* @return string
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*
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* Initially the trailing slash of $base_path was optional, and conditionally appended.
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* However on dynamically created sites, where the page is given as url parameter,
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* the base path might not end with an url.
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* Therefore do not append a slash, and **require** the $base_url to ending in a slash
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* when needed.
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* Vice versa, on using the local file system path of a file, make sure that the slash
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* is appended (o.k. also for Windows)
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*/
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public static function build_url($protocol, $host, $base_path, $url)
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{
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$protocol = mb_strtolower($protocol);
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if (strlen($url) == 0) {
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//return $protocol . $host . rtrim($base_path, "/\\") . "/";
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return $protocol . $host . $base_path;
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}
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// Is the url already fully qualified, a Data URI, or a reference to a named anchor?
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// File-protocol URLs may require additional processing (e.g. for URLs with a relative path)
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if ((mb_strpos($url, "://") !== false && substr($url, 0, 7) !== "file://") || mb_substr($url, 0, 1) === "#" || mb_strpos($url, "data:") === 0 || mb_strpos($url, "mailto:") === 0 || mb_strpos($url, "tel:") === 0) {
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return $url;
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}
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if (strpos($url, "file://") === 0) {
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$url = substr($url, 7);
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$protocol = "";
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}
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$ret = "";
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if ($protocol != "file://") {
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$ret = $protocol;
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}
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if (!in_array(mb_strtolower($protocol), ["http://", "https://", "ftp://", "ftps://"])) {
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//On Windows local file, an abs path can begin also with a '\' or a drive letter and colon
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//drive: followed by a relative path would be a drive specific default folder.
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//not known in php app code, treat as abs path
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//($url[1] !== ':' || ($url[2]!=='\\' && $url[2]!=='/'))
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if ($url[0] !== '/' && (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' || (mb_strlen($url) > 1 && $url[0] !== '\\' && $url[1] !== ':'))) {
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// For rel path and local access we ignore the host, and run the path through realpath()
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$ret .= realpath($base_path) . '/';
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}
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$ret .= $url;
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$ret = preg_replace('/\?(.*)$/', "", $ret);
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return $ret;
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}
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// Protocol relative urls (e.g. "//example.org/style.css")
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if (strpos($url, '//') === 0) {
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$ret .= substr($url, 2);
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//remote urls with backslash in html/css are not really correct, but lets be genereous
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} elseif ($url[0] === '/' || $url[0] === '\\') {
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// Absolute path
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$ret .= $host . $url;
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} else {
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// Relative path
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//$base_path = $base_path !== "" ? rtrim($base_path, "/\\") . "/" : "";
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$ret .= $host . $base_path . $url;
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}
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// URL should now be complete, final cleanup
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$parsed_url = parse_url($ret);
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// reproduced from https://www.php.net/manual/en/function.parse-url.php#106731
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$scheme = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : '';
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$host = isset($parsed_url['host']) ? $parsed_url['host'] : '';
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$port = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : '';
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$user = isset($parsed_url['user']) ? $parsed_url['user'] : '';
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$pass = isset($parsed_url['pass']) ? ':' . $parsed_url['pass'] : '';
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$pass = ($user || $pass) ? "$pass@" : '';
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$path = isset($parsed_url['path']) ? $parsed_url['path'] : '';
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$query = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : '';
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$fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : '';
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// partially reproduced from https://stackoverflow.com/a/1243431/264628
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/* replace '//' or '/./' or '/foo/../' with '/' */
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$re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
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for($n=1; $n>0; $path=preg_replace($re, '/', $path, -1, $n)) {}
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$ret = "$scheme$user$pass$host$port$path$query$fragment";
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return $ret;
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}
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/**
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* Builds a HTTP Content-Disposition header string using `$dispositionType`
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* and `$filename`.
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*
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* If the filename contains any characters not in the ISO-8859-1 character
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* set, a fallback filename will be included for clients not supporting the
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* `filename*` parameter.
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*
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* @param string $dispositionType
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* @param string $filename
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* @return string
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*/
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public static function buildContentDispositionHeader($dispositionType, $filename)
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{
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$encoding = mb_detect_encoding($filename);
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$fallbackfilename = mb_convert_encoding($filename, "ISO-8859-1", $encoding);
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$fallbackfilename = str_replace("\"", "", $fallbackfilename);
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$encodedfilename = rawurlencode($filename);
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$contentDisposition = "Content-Disposition: $dispositionType; filename=\"$fallbackfilename\"";
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if ($fallbackfilename !== $filename) {
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$contentDisposition .= "; filename*=UTF-8''$encodedfilename";
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}
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return $contentDisposition;
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}
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/**
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* Converts decimal numbers to roman numerals.
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*
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* As numbers larger than 3999 (and smaller than 1) cannot be represented in
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* the standard form of roman numerals, those are left in decimal form.
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*
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* See https://en.wikipedia.org/wiki/Roman_numerals#Standard_form
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*
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* @param int|string $num
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*
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* @throws Exception
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* @return string
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*/
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public static function dec2roman($num): string
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{
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static $ones = ["", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix"];
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static $tens = ["", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc"];
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static $hund = ["", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm"];
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static $thou = ["", "m", "mm", "mmm"];
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if (!is_numeric($num)) {
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throw new Exception("dec2roman() requires a numeric argument.");
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}
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if ($num >= 4000 || $num <= 0) {
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return (string) $num;
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}
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$num = strrev((string)$num);
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$ret = "";
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switch (mb_strlen($num)) {
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/** @noinspection PhpMissingBreakStatementInspection */
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case 4:
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$ret .= $thou[$num[3]];
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/** @noinspection PhpMissingBreakStatementInspection */
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case 3:
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$ret .= $hund[$num[2]];
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/** @noinspection PhpMissingBreakStatementInspection */
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case 2:
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$ret .= $tens[$num[1]];
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/** @noinspection PhpMissingBreakStatementInspection */
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case 1:
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$ret .= $ones[$num[0]];
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default:
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break;
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}
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return $ret;
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}
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/**
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* Determines whether $value is a percentage or not
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*
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* @param float $value
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*
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* @return bool
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*/
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public static function is_percent($value)
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{
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return false !== mb_strpos($value, "%");
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}
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/**
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* Parses a data URI scheme
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* http://en.wikipedia.org/wiki/Data_URI_scheme
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*
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* @param string $data_uri The data URI to parse
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*
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* @return array|bool The result with charset, mime type and decoded data
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*/
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public static function parse_data_uri($data_uri)
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{
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if (!preg_match('/^data:(?P<mime>[a-z0-9\/+-.]+)(;charset=(?P<charset>[a-z0-9-])+)?(?P<base64>;base64)?\,(?P<data>.*)?/is', $data_uri, $match)) {
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return false;
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}
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$match['data'] = rawurldecode($match['data']);
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$result = [
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'charset' => $match['charset'] ? $match['charset'] : 'US-ASCII',
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'mime' => $match['mime'] ? $match['mime'] : 'text/plain',
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'data' => $match['base64'] ? base64_decode($match['data']) : $match['data'],
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];
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return $result;
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}
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/**
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* Encodes a Uniform Resource Identifier (URI) by replacing non-alphanumeric
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* characters with a percent (%) sign followed by two hex digits, excepting
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* characters in the URI reserved character set.
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*
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* Assumes that the URI is a complete URI, so does not encode reserved
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* characters that have special meaning in the URI.
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*
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* Simulates the encodeURI function available in JavaScript
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* https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/encodeURI
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*
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* Source: http://stackoverflow.com/q/4929584/264628
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*
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* @param string $uri The URI to encode
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* @return string The original URL with special characters encoded
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*/
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public static function encodeURI($uri) {
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$unescaped = [
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'%2D'=>'-','%5F'=>'_','%2E'=>'.','%21'=>'!', '%7E'=>'~',
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'%2A'=>'*', '%27'=>"'", '%28'=>'(', '%29'=>')'
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];
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$reserved = [
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'%3B'=>';','%2C'=>',','%2F'=>'/','%3F'=>'?','%3A'=>':',
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'%40'=>'@','%26'=>'&','%3D'=>'=','%2B'=>'+','%24'=>'$'
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];
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$score = [
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'%23'=>'#'
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];
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return strtr(rawurlencode(rawurldecode($uri)), array_merge($reserved, $unescaped, $score));
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}
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/**
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* Decoder for RLE8 compression in windows bitmaps
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* http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
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*
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* @param string $str Data to decode
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* @param integer $width Image width
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*
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* @return string
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*/
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public static function rle8_decode($str, $width)
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{
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$lineWidth = $width + (3 - ($width - 1) % 4);
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$out = '';
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$cnt = strlen($str);
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for ($i = 0; $i < $cnt; $i++) {
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$o = ord($str[$i]);
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switch ($o) {
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case 0: # ESCAPE
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$i++;
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switch (ord($str[$i])) {
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case 0: # NEW LINE
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$padCnt = $lineWidth - strlen($out) % $lineWidth;
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if ($padCnt < $lineWidth) {
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$out .= str_repeat(chr(0), $padCnt); # pad line
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}
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break;
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case 1: # END OF FILE
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$padCnt = $lineWidth - strlen($out) % $lineWidth;
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if ($padCnt < $lineWidth) {
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$out .= str_repeat(chr(0), $padCnt); # pad line
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}
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break 3;
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case 2: # DELTA
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$i += 2;
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break;
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default: # ABSOLUTE MODE
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$num = ord($str[$i]);
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for ($j = 0; $j < $num; $j++) {
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$out .= $str[++$i];
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}
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if ($num % 2) {
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$i++;
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}
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}
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break;
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default:
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$out .= str_repeat($str[++$i], $o);
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}
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}
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return $out;
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}
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/**
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* Decoder for RLE4 compression in windows bitmaps
|
||||
* see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
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||||
*
|
||||
* @param string $str Data to decode
|
||||
* @param integer $width Image width
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||||
*
|
||||
* @return string
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||||
*/
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public static function rle4_decode($str, $width)
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||||
{
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$w = floor($width / 2) + ($width % 2);
|
||||
$lineWidth = $w + (3 - (($width - 1) / 2) % 4);
|
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$pixels = [];
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$cnt = strlen($str);
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$c = 0;
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|
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for ($i = 0; $i < $cnt; $i++) {
|
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$o = ord($str[$i]);
|
||||
switch ($o) {
|
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case 0: # ESCAPE
|
||||
$i++;
|
||||
switch (ord($str[$i])) {
|
||||
case 0: # NEW LINE
|
||||
while (count($pixels) % $lineWidth != 0) {
|
||||
$pixels[] = 0;
|
||||
}
|
||||
break;
|
||||
case 1: # END OF FILE
|
||||
while (count($pixels) % $lineWidth != 0) {
|
||||
$pixels[] = 0;
|
||||
}
|
||||
break 3;
|
||||
case 2: # DELTA
|
||||
$i += 2;
|
||||
break;
|
||||
default: # ABSOLUTE MODE
|
||||
$num = ord($str[$i]);
|
||||
for ($j = 0; $j < $num; $j++) {
|
||||
if ($j % 2 == 0) {
|
||||
$c = ord($str[++$i]);
|
||||
$pixels[] = ($c & 240) >> 4;
|
||||
} else {
|
||||
$pixels[] = $c & 15;
|
||||
}
|
||||
}
|
||||
|
||||
if ($num % 2 == 0) {
|
||||
$i++;
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
$c = ord($str[++$i]);
|
||||
for ($j = 0; $j < $o; $j++) {
|
||||
$pixels[] = ($j % 2 == 0 ? ($c & 240) >> 4 : $c & 15);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$out = '';
|
||||
if (count($pixels) % 2) {
|
||||
$pixels[] = 0;
|
||||
}
|
||||
|
||||
$cnt = count($pixels) / 2;
|
||||
|
||||
for ($i = 0; $i < $cnt; $i++) {
|
||||
$out .= chr(16 * $pixels[2 * $i] + $pixels[2 * $i + 1]);
|
||||
}
|
||||
|
||||
return $out;
|
||||
}
|
||||
|
||||
/**
|
||||
* parse a full url or pathname and return an array(protocol, host, path,
|
||||
* file + query + fragment)
|
||||
*
|
||||
* @param string $url
|
||||
* @return array
|
||||
*/
|
||||
public static function explode_url($url)
|
||||
{
|
||||
$protocol = "";
|
||||
$host = "";
|
||||
$path = "";
|
||||
$file = "";
|
||||
|
||||
$arr = parse_url($url);
|
||||
if ( isset($arr["scheme"]) ) {
|
||||
$arr["scheme"] = mb_strtolower($arr["scheme"]);
|
||||
}
|
||||
|
||||
// Exclude windows drive letters...
|
||||
if (isset($arr["scheme"]) && $arr["scheme"] !== "file" && strlen($arr["scheme"]) > 1) {
|
||||
$protocol = $arr["scheme"] . "://";
|
||||
|
||||
if (isset($arr["user"])) {
|
||||
$host .= $arr["user"];
|
||||
|
||||
if (isset($arr["pass"])) {
|
||||
$host .= ":" . $arr["pass"];
|
||||
}
|
||||
|
||||
$host .= "@";
|
||||
}
|
||||
|
||||
if (isset($arr["host"])) {
|
||||
$host .= $arr["host"];
|
||||
}
|
||||
|
||||
if (isset($arr["port"])) {
|
||||
$host .= ":" . $arr["port"];
|
||||
}
|
||||
|
||||
if (isset($arr["path"]) && $arr["path"] !== "") {
|
||||
// Do we have a trailing slash?
|
||||
if ($arr["path"][mb_strlen($arr["path"]) - 1] === "/") {
|
||||
$path = $arr["path"];
|
||||
$file = "";
|
||||
} else {
|
||||
$path = rtrim(dirname($arr["path"]), '/\\') . "/";
|
||||
$file = basename($arr["path"]);
|
||||
}
|
||||
}
|
||||
|
||||
if (isset($arr["query"])) {
|
||||
$file .= "?" . $arr["query"];
|
||||
}
|
||||
|
||||
if (isset($arr["fragment"])) {
|
||||
$file .= "#" . $arr["fragment"];
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
$i = mb_stripos($url, "file://");
|
||||
if ($i !== false) {
|
||||
$url = mb_substr($url, $i + 7);
|
||||
}
|
||||
|
||||
$protocol = ""; // "file://"; ? why doesn't this work... It's because of
|
||||
// network filenames like //COMPU/SHARENAME
|
||||
|
||||
$host = ""; // localhost, really
|
||||
$file = basename($url);
|
||||
|
||||
$path = dirname($url);
|
||||
|
||||
// Check that the path exists
|
||||
if ($path !== false) {
|
||||
$path .= '/';
|
||||
|
||||
} else {
|
||||
// generate a url to access the file if no real path found.
|
||||
$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://';
|
||||
|
||||
$host = isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : php_uname("n");
|
||||
|
||||
if (substr($arr["path"], 0, 1) === '/') {
|
||||
$path = dirname($arr["path"]);
|
||||
} else {
|
||||
$path = '/' . rtrim(dirname($_SERVER["SCRIPT_NAME"]), '/') . '/' . $arr["path"];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
$ret = [$protocol, $host, $path, $file,
|
||||
"protocol" => $protocol,
|
||||
"host" => $host,
|
||||
"path" => $path,
|
||||
"file" => $file];
|
||||
return $ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Print debug messages
|
||||
*
|
||||
* @param string $type The type of debug messages to print
|
||||
* @param string $msg The message to show
|
||||
*/
|
||||
public static function dompdf_debug($type, $msg)
|
||||
{
|
||||
global $_DOMPDF_DEBUG_TYPES, $_dompdf_show_warnings, $_dompdf_debug;
|
||||
if (isset($_DOMPDF_DEBUG_TYPES[$type]) && ($_dompdf_show_warnings || $_dompdf_debug)) {
|
||||
$arr = debug_backtrace();
|
||||
|
||||
echo basename($arr[0]["file"]) . " (" . $arr[0]["line"] . "): " . $arr[1]["function"] . ": ";
|
||||
Helpers::pre_r($msg);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Stores warnings in an array for display later
|
||||
* This function allows warnings generated by the DomDocument parser
|
||||
* and CSS loader ({@link Stylesheet}) to be captured and displayed
|
||||
* later. Without this function, errors are displayed immediately and
|
||||
* PDF streaming is impossible.
|
||||
* @see http://www.php.net/manual/en/function.set-error_handler.php
|
||||
*
|
||||
* @param int $errno
|
||||
* @param string $errstr
|
||||
* @param string $errfile
|
||||
* @param string $errline
|
||||
*
|
||||
* @throws Exception
|
||||
*/
|
||||
public static function record_warnings($errno, $errstr, $errfile, $errline)
|
||||
{
|
||||
// Not a warning or notice
|
||||
if (!($errno & (E_WARNING | E_NOTICE | E_USER_NOTICE | E_USER_WARNING | E_STRICT | E_DEPRECATED | E_USER_DEPRECATED))) {
|
||||
throw new Exception($errstr . " $errno");
|
||||
}
|
||||
|
||||
global $_dompdf_warnings;
|
||||
global $_dompdf_show_warnings;
|
||||
|
||||
if ($_dompdf_show_warnings) {
|
||||
echo $errstr . "\n";
|
||||
}
|
||||
|
||||
$_dompdf_warnings[] = $errstr;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param $c
|
||||
* @return bool|string
|
||||
*/
|
||||
public static function unichr($c)
|
||||
{
|
||||
if ($c <= 0x7F) {
|
||||
return chr($c);
|
||||
} else if ($c <= 0x7FF) {
|
||||
return chr(0xC0 | $c >> 6) . chr(0x80 | $c & 0x3F);
|
||||
} else if ($c <= 0xFFFF) {
|
||||
return chr(0xE0 | $c >> 12) . chr(0x80 | $c >> 6 & 0x3F)
|
||||
. chr(0x80 | $c & 0x3F);
|
||||
} else if ($c <= 0x10FFFF) {
|
||||
return chr(0xF0 | $c >> 18) . chr(0x80 | $c >> 12 & 0x3F)
|
||||
. chr(0x80 | $c >> 6 & 0x3F)
|
||||
. chr(0x80 | $c & 0x3F);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts a CMYK color to RGB
|
||||
*
|
||||
* @param float|float[] $c
|
||||
* @param float $m
|
||||
* @param float $y
|
||||
* @param float $k
|
||||
*
|
||||
* @return float[]
|
||||
*/
|
||||
public static function cmyk_to_rgb($c, $m = null, $y = null, $k = null)
|
||||
{
|
||||
if (is_array($c)) {
|
||||
[$c, $m, $y, $k] = $c;
|
||||
}
|
||||
|
||||
$c *= 255;
|
||||
$m *= 255;
|
||||
$y *= 255;
|
||||
$k *= 255;
|
||||
|
||||
$r = (1 - round(2.55 * ($c + $k)));
|
||||
$g = (1 - round(2.55 * ($m + $k)));
|
||||
$b = (1 - round(2.55 * ($y + $k)));
|
||||
|
||||
if ($r < 0) {
|
||||
$r = 0;
|
||||
}
|
||||
if ($g < 0) {
|
||||
$g = 0;
|
||||
}
|
||||
if ($b < 0) {
|
||||
$b = 0;
|
||||
}
|
||||
|
||||
return [
|
||||
$r, $g, $b,
|
||||
"r" => $r, "g" => $g, "b" => $b
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* getimagesize doesn't give a good size for 32bit BMP image v5
|
||||
*
|
||||
* @param string $filename
|
||||
* @param resource $context
|
||||
* @return array The same format as getimagesize($filename)
|
||||
*/
|
||||
public static function dompdf_getimagesize($filename, $context = null)
|
||||
{
|
||||
static $cache = [];
|
||||
|
||||
if (isset($cache[$filename])) {
|
||||
return $cache[$filename];
|
||||
}
|
||||
|
||||
[$width, $height, $type] = getimagesize($filename);
|
||||
|
||||
// Custom types
|
||||
$types = [
|
||||
IMAGETYPE_JPEG => "jpeg",
|
||||
IMAGETYPE_GIF => "gif",
|
||||
IMAGETYPE_BMP => "bmp",
|
||||
IMAGETYPE_PNG => "png",
|
||||
];
|
||||
|
||||
$type = isset($types[$type]) ? $types[$type] : null;
|
||||
|
||||
if ($width == null || $height == null) {
|
||||
[$data, $headers] = Helpers::getFileContent($filename, $context);
|
||||
|
||||
if (!empty($data)) {
|
||||
if (substr($data, 0, 2) === "BM") {
|
||||
$meta = unpack('vtype/Vfilesize/Vreserved/Voffset/Vheadersize/Vwidth/Vheight', $data);
|
||||
$width = (int)$meta['width'];
|
||||
$height = (int)$meta['height'];
|
||||
$type = "bmp";
|
||||
} else {
|
||||
if (strpos($data, "<svg") !== false) {
|
||||
$doc = new \Svg\Document();
|
||||
$doc->loadFile($filename);
|
||||
|
||||
[$width, $height] = $doc->getDimensions();
|
||||
$type = "svg";
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $cache[$filename] = [$width, $height, $type];
|
||||
}
|
||||
|
||||
/**
|
||||
* Credit goes to mgutt
|
||||
* http://www.programmierer-forum.de/function-imagecreatefrombmp-welche-variante-laeuft-t143137.htm
|
||||
* Modified by Fabien Menager to support RGB555 BMP format
|
||||
*/
|
||||
public static function imagecreatefrombmp($filename, $context = null)
|
||||
{
|
||||
if (!function_exists("imagecreatetruecolor")) {
|
||||
trigger_error("The PHP GD extension is required, but is not installed.", E_ERROR);
|
||||
return false;
|
||||
}
|
||||
|
||||
// version 1.00
|
||||
if (!($fh = fopen($filename, 'rb'))) {
|
||||
trigger_error('imagecreatefrombmp: Can not open ' . $filename, E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
|
||||
$bytes_read = 0;
|
||||
|
||||
// read file header
|
||||
$meta = unpack('vtype/Vfilesize/Vreserved/Voffset', fread($fh, 14));
|
||||
|
||||
// check for bitmap
|
||||
if ($meta['type'] != 19778) {
|
||||
trigger_error('imagecreatefrombmp: ' . $filename . ' is not a bitmap!', E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
|
||||
// read image header
|
||||
$meta += unpack('Vheadersize/Vwidth/Vheight/vplanes/vbits/Vcompression/Vimagesize/Vxres/Vyres/Vcolors/Vimportant', fread($fh, 40));
|
||||
$bytes_read += 40;
|
||||
|
||||
// read additional bitfield header
|
||||
if ($meta['compression'] == 3) {
|
||||
$meta += unpack('VrMask/VgMask/VbMask', fread($fh, 12));
|
||||
$bytes_read += 12;
|
||||
}
|
||||
|
||||
// set bytes and padding
|
||||
$meta['bytes'] = $meta['bits'] / 8;
|
||||
$meta['decal'] = 4 - (4 * (($meta['width'] * $meta['bytes'] / 4) - floor($meta['width'] * $meta['bytes'] / 4)));
|
||||
if ($meta['decal'] == 4) {
|
||||
$meta['decal'] = 0;
|
||||
}
|
||||
|
||||
// obtain imagesize
|
||||
if ($meta['imagesize'] < 1) {
|
||||
$meta['imagesize'] = $meta['filesize'] - $meta['offset'];
|
||||
// in rare cases filesize is equal to offset so we need to read physical size
|
||||
if ($meta['imagesize'] < 1) {
|
||||
$meta['imagesize'] = @filesize($filename) - $meta['offset'];
|
||||
if ($meta['imagesize'] < 1) {
|
||||
trigger_error('imagecreatefrombmp: Can not obtain filesize of ' . $filename . '!', E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// calculate colors
|
||||
$meta['colors'] = !$meta['colors'] ? pow(2, $meta['bits']) : $meta['colors'];
|
||||
|
||||
// read color palette
|
||||
$palette = [];
|
||||
if ($meta['bits'] < 16) {
|
||||
$palette = unpack('l' . $meta['colors'], fread($fh, $meta['colors'] * 4));
|
||||
// in rare cases the color value is signed
|
||||
if ($palette[1] < 0) {
|
||||
foreach ($palette as $i => $color) {
|
||||
$palette[$i] = $color + 16777216;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// ignore extra bitmap headers
|
||||
if ($meta['headersize'] > $bytes_read) {
|
||||
fread($fh, $meta['headersize'] - $bytes_read);
|
||||
}
|
||||
|
||||
// create gd image
|
||||
$im = imagecreatetruecolor($meta['width'], $meta['height']);
|
||||
$data = fread($fh, $meta['imagesize']);
|
||||
|
||||
// uncompress data
|
||||
switch ($meta['compression']) {
|
||||
case 1:
|
||||
$data = Helpers::rle8_decode($data, $meta['width']);
|
||||
break;
|
||||
case 2:
|
||||
$data = Helpers::rle4_decode($data, $meta['width']);
|
||||
break;
|
||||
}
|
||||
|
||||
$p = 0;
|
||||
$vide = chr(0);
|
||||
$y = $meta['height'] - 1;
|
||||
$error = 'imagecreatefrombmp: ' . $filename . ' has not enough data!';
|
||||
|
||||
// loop through the image data beginning with the lower left corner
|
||||
while ($y >= 0) {
|
||||
$x = 0;
|
||||
while ($x < $meta['width']) {
|
||||
switch ($meta['bits']) {
|
||||
case 32:
|
||||
case 24:
|
||||
if (!($part = substr($data, $p, 3 /*$meta['bytes']*/))) {
|
||||
trigger_error($error, E_USER_WARNING);
|
||||
return $im;
|
||||
}
|
||||
$color = unpack('V', $part . $vide);
|
||||
break;
|
||||
case 16:
|
||||
if (!($part = substr($data, $p, 2 /*$meta['bytes']*/))) {
|
||||
trigger_error($error, E_USER_WARNING);
|
||||
return $im;
|
||||
}
|
||||
$color = unpack('v', $part);
|
||||
|
||||
if (empty($meta['rMask']) || $meta['rMask'] != 0xf800) {
|
||||
$color[1] = (($color[1] & 0x7c00) >> 7) * 65536 + (($color[1] & 0x03e0) >> 2) * 256 + (($color[1] & 0x001f) << 3); // 555
|
||||
} else {
|
||||
$color[1] = (($color[1] & 0xf800) >> 8) * 65536 + (($color[1] & 0x07e0) >> 3) * 256 + (($color[1] & 0x001f) << 3); // 565
|
||||
}
|
||||
break;
|
||||
case 8:
|
||||
$color = unpack('n', $vide . substr($data, $p, 1));
|
||||
$color[1] = $palette[$color[1] + 1];
|
||||
break;
|
||||
case 4:
|
||||
$color = unpack('n', $vide . substr($data, floor($p), 1));
|
||||
$color[1] = ($p * 2) % 2 == 0 ? $color[1] >> 4 : $color[1] & 0x0F;
|
||||
$color[1] = $palette[$color[1] + 1];
|
||||
break;
|
||||
case 1:
|
||||
$color = unpack('n', $vide . substr($data, floor($p), 1));
|
||||
switch (($p * 8) % 8) {
|
||||
case 0:
|
||||
$color[1] = $color[1] >> 7;
|
||||
break;
|
||||
case 1:
|
||||
$color[1] = ($color[1] & 0x40) >> 6;
|
||||
break;
|
||||
case 2:
|
||||
$color[1] = ($color[1] & 0x20) >> 5;
|
||||
break;
|
||||
case 3:
|
||||
$color[1] = ($color[1] & 0x10) >> 4;
|
||||
break;
|
||||
case 4:
|
||||
$color[1] = ($color[1] & 0x8) >> 3;
|
||||
break;
|
||||
case 5:
|
||||
$color[1] = ($color[1] & 0x4) >> 2;
|
||||
break;
|
||||
case 6:
|
||||
$color[1] = ($color[1] & 0x2) >> 1;
|
||||
break;
|
||||
case 7:
|
||||
$color[1] = ($color[1] & 0x1);
|
||||
break;
|
||||
}
|
||||
$color[1] = $palette[$color[1] + 1];
|
||||
break;
|
||||
default:
|
||||
trigger_error('imagecreatefrombmp: ' . $filename . ' has ' . $meta['bits'] . ' bits and this is not supported!', E_USER_WARNING);
|
||||
return false;
|
||||
}
|
||||
imagesetpixel($im, $x, $y, $color[1]);
|
||||
$x++;
|
||||
$p += $meta['bytes'];
|
||||
}
|
||||
$y--;
|
||||
$p += $meta['decal'];
|
||||
}
|
||||
fclose($fh);
|
||||
return $im;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the content of the file at the specified path using one of
|
||||
* the following methods, in preferential order:
|
||||
* - file_get_contents: if allow_url_fopen is true or the file is local
|
||||
* - curl: if allow_url_fopen is false and curl is available
|
||||
*
|
||||
* @param string $uri
|
||||
* @param resource $context (ignored if curl is used)
|
||||
* @param int $offset
|
||||
* @param int $maxlen (ignored if curl is used)
|
||||
* @return string[]
|
||||
*/
|
||||
public static function getFileContent($uri, $context = null, $offset = 0, $maxlen = null)
|
||||
{
|
||||
$content = null;
|
||||
$headers = null;
|
||||
$result = Helpers::explode_url($uri);
|
||||
$proto = $result["protocol"];
|
||||
$host = $result["host"];
|
||||
$path = $result["path"];
|
||||
$file = $result["file"];
|
||||
$is_local_path = ($proto == '' || $proto === 'file://');
|
||||
|
||||
set_error_handler([self::class, 'record_warnings']);
|
||||
|
||||
try {
|
||||
if (function_exists("get_url_contents")) {
|
||||
$content = get_url_contents($uri);
|
||||
} elseif ($is_local_path || ini_get('allow_url_fopen')) {
|
||||
if ($is_local_path === false) {
|
||||
$uri = Helpers::encodeURI($uri);
|
||||
}
|
||||
if (isset($maxlen)) {
|
||||
$result = file_get_contents($uri, null, $context, $offset, $maxlen);
|
||||
} else {
|
||||
$result = file_get_contents($uri, null, $context, $offset);
|
||||
}
|
||||
if ($result !== false) {
|
||||
$content = $result;
|
||||
}
|
||||
if (isset($http_response_header)) {
|
||||
$headers = $http_response_header;
|
||||
}
|
||||
|
||||
} elseif (function_exists('curl_exec')) {
|
||||
$curl = curl_init($uri);
|
||||
|
||||
//TODO: use $context to define additional curl options
|
||||
curl_setopt($curl, CURLOPT_TIMEOUT, 10);
|
||||
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
|
||||
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
|
||||
curl_setopt($curl, CURLOPT_HEADER, true);
|
||||
if ($offset > 0) {
|
||||
curl_setopt($curl, CURLOPT_RESUME_FROM, $offset);
|
||||
}
|
||||
|
||||
$data = curl_exec($curl);
|
||||
|
||||
if ($data !== false && !curl_errno($curl)) {
|
||||
switch ($http_code = curl_getinfo($curl, CURLINFO_HTTP_CODE)) {
|
||||
case 200:
|
||||
$raw_headers = substr($data, 0, curl_getinfo($curl, CURLINFO_HEADER_SIZE));
|
||||
$headers = preg_split("/[\n\r]+/", trim($raw_headers));
|
||||
$content = substr($data, curl_getinfo($curl, CURLINFO_HEADER_SIZE));
|
||||
break;
|
||||
}
|
||||
}
|
||||
curl_close($curl);
|
||||
}
|
||||
} finally {
|
||||
restore_error_handler();
|
||||
}
|
||||
|
||||
return [$content, $headers];
|
||||
}
|
||||
|
||||
public static function mb_ucwords($str) {
|
||||
$max_len = mb_strlen($str);
|
||||
if ($max_len === 1) {
|
||||
return mb_strtoupper($str);
|
||||
}
|
||||
|
||||
$str = mb_strtoupper(mb_substr($str, 0, 1)) . mb_substr($str, 1);
|
||||
|
||||
foreach ([' ', '.', ',', '!', '?', '-', '+'] as $s) {
|
||||
$pos = 0;
|
||||
while (($pos = mb_strpos($str, $s, $pos)) !== false) {
|
||||
$pos++;
|
||||
// Nothing to do if the separator is the last char of the string
|
||||
if ($pos !== false && $pos < $max_len) {
|
||||
// If the char we want to upper is the last char there is nothing to append behind
|
||||
if ($pos + 1 < $max_len) {
|
||||
$str = mb_substr($str, 0, $pos) . mb_strtoupper(mb_substr($str, $pos, 1)) . mb_substr($str, $pos + 1);
|
||||
} else {
|
||||
$str = mb_substr($str, 0, $pos) . mb_strtoupper(mb_substr($str, $pos, 1));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $str;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user