1055 lines
27 KiB
PHP
1055 lines
27 KiB
PHP
<?php
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/**
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* @package dompdf
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* @link http://dompdf.github.com/
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* @author Benj Carson <benjcarson@digitaljunkies.ca>
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* @author Helmut Tischer <htischer@weihenstephan.org>
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* @author Fabien Ménager <fabien.menager@gmail.com>
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* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
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*/
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if ( !defined('PHP_VERSION_ID') ) {
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$version = explode('.', PHP_VERSION);
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define('PHP_VERSION_ID', ($version[0] * 10000 + $version[1] * 100 + $version[2]));
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}
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/**
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* Defined a constant if not already defined
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*
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* @param string $name The constant name
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* @param mixed $value The value
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*/
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function def($name, $value = true) {
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if ( !defined($name) ) {
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define($name, $value);
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}
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}
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if ( !function_exists("pre_r") ) {
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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 $return
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*
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* @return string
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*/
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function pre_r($mixed, $return = false) {
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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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}
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else {
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echo "\n";
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}
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flush();
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}
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}
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if ( !function_exists("pre_var_dump") ) {
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/**
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* var_dump wrapper for html/cli output
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*
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* Wraps var_dump() output in < pre > tags if the current sapi is not 'cli'.
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*
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* @param mixed $mixed variable or expression to display.
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*/
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function pre_var_dump($mixed) {
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if ( php_sapi_name() !== "cli" ) {
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echo "<pre>";
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}
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var_dump($mixed);
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if ( php_sapi_name() !== "cli" ) {
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echo "</pre>";
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}
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}
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}
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if ( !function_exists("d") ) {
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/**
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* generic debug function
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*
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* Takes everything and does its best to give a good debug output
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*
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* @param mixed $mixed variable or expression to display.
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*/
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function d($mixed) {
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if ( php_sapi_name() !== "cli" ) {
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echo "<pre>";
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}
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// line
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if ( $mixed instanceof Line_Box ) {
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echo $mixed;
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}
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// other
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else {
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var_export($mixed);
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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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}
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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 $base_url to ending in a slash
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* when needed.
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* Vice versa, on using the local file system path of a file, make sure that the slash
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* is appended (o.k. also for Windows)
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*/
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function build_url($protocol, $host, $base_path, $url) {
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if ( strlen($url) == 0 ) {
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//return $protocol . $host . rtrim($base_path, "/\\") . "/";
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return $protocol . $host . $base_path;
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}
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// Is the url already fully qualified or a Data URI?
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if ( mb_strpos($url, "://") !== false || mb_strpos($url, "data:") === 0 ) {
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return $url;
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}
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$ret = $protocol;
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if ( !in_array(mb_strtolower($protocol), array("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 ( $url[0] !== '/' && (strtoupper(substr(PHP_OS, 0, 3)) !== 'WIN' || ($url[0] !== '\\' && $url[1] !== ':')) ) {
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// For rel path and local acess we ignore the host, and run the path through realpath()
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$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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//remote urls with backslash in html/css are not really correct, but lets be genereous
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if ( $url[0] === '/' || $url[0] === '\\' ) {
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// Absolute path
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$ret .= $host . $url;
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}
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else {
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// Relative path
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//$base_path = $base_path !== "" ? rtrim($base_path, "/\\") . "/" : "";
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$ret .= $host . $base_path . $url;
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}
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return $ret;
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}
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/**
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* parse a full url or pathname and return an array(protocol, host, path,
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* file + query + fragment)
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*
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* @param string $url
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* @return array
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*/
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function explode_url($url) {
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$protocol = "";
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$host = "";
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$path = "";
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$file = "";
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$arr = parse_url($url);
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// Exclude windows drive letters...
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if ( isset($arr["scheme"]) && $arr["scheme"] !== "file" && strlen($arr["scheme"]) > 1 ) {
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$protocol = $arr["scheme"] . "://";
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if ( isset($arr["user"]) ) {
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$host .= $arr["user"];
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if ( isset($arr["pass"]) ) {
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$host .= ":" . $arr["pass"];
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}
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$host .= "@";
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}
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if ( isset($arr["host"]) ) {
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$host .= $arr["host"];
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}
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if ( isset($arr["port"]) ) {
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$host .= ":" . $arr["port"];
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}
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if ( isset($arr["path"]) && $arr["path"] !== "" ) {
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// Do we have a trailing slash?
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if ( $arr["path"][ mb_strlen($arr["path"]) - 1 ] === "/" ) {
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$path = $arr["path"];
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$file = "";
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}
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else {
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$path = rtrim(dirname($arr["path"]), '/\\') . "/";
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$file = basename($arr["path"]);
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}
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}
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if ( isset($arr["query"]) ) {
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$file .= "?" . $arr["query"];
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}
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if ( isset($arr["fragment"]) ) {
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$file .= "#" . $arr["fragment"];
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}
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}
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else {
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$i = mb_strpos($url, "file://");
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if ( $i !== false ) {
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$url = mb_substr($url, $i + 7);
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}
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$protocol = ""; // "file://"; ? why doesn't this work... It's because of
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// network filenames like //COMPU/SHARENAME
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$host = ""; // localhost, really
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$file = basename($url);
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$path = dirname($url);
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// Check that the path exists
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if ( $path !== false ) {
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$path .= '/';
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}
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else {
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// generate a url to access the file if no real path found.
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$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https://' : 'http://';
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$host = isset($_SERVER["HTTP_HOST"]) ? $_SERVER["HTTP_HOST"] : php_uname("n");
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if ( substr($arr["path"], 0, 1) === '/' ) {
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$path = dirname($arr["path"]);
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}
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else {
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$path = '/' . rtrim(dirname($_SERVER["SCRIPT_NAME"]), '/') . '/' . $arr["path"];
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}
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}
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}
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$ret = array($protocol, $host, $path, $file,
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"protocol" => $protocol,
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"host" => $host,
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"path" => $path,
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"file" => $file);
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return $ret;
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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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* @param int $num
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*
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* @throws DOMPDF_Exception
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* @return string
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*/
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function dec2roman($num) {
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static $ones = array("", "i", "ii", "iii", "iv", "v", "vi", "vii", "viii", "ix");
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static $tens = array("", "x", "xx", "xxx", "xl", "l", "lx", "lxx", "lxxx", "xc");
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static $hund = array("", "c", "cc", "ccc", "cd", "d", "dc", "dcc", "dccc", "cm");
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static $thou = array("", "m", "mm", "mmm");
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if ( !is_numeric($num) ) {
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throw new DOMPDF_Exception("dec2roman() requires a numeric argument.");
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}
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if ( $num > 4000 || $num < 0 ) {
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return "(out of range)";
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}
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$num = strrev((string)$num);
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$ret = "";
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switch (mb_strlen($num)) {
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case 4: $ret .= $thou[$num[3]];
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case 3: $ret .= $hund[$num[2]];
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case 2: $ret .= $tens[$num[1]];
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case 1: $ret .= $ones[$num[0]];
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default: 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 $value
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*
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* @return bool
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*/
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function is_percent($value) {
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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 $data_uri The data URI to parse
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*
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* @return array The result with charset, mime type and decoded data
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*/
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function parse_data_uri($data_uri) {
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if (!preg_match('/^data:(?P<mime>[a-z0-9\/+-.]+)(;charset=(?P<charset>[a-z0-9-])+)?(?P<base64>;base64)?\,(?P<data>.*)?/i', $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 = array(
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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 $result;
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}
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/**
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* mb_string compatibility
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*/
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if (!extension_loaded('mbstring')) {
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def('MB_OVERLOAD_MAIL', 1);
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def('MB_OVERLOAD_STRING', 2);
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def('MB_OVERLOAD_REGEX', 4);
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def('MB_CASE_UPPER', 0);
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def('MB_CASE_LOWER', 1);
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def('MB_CASE_TITLE', 2);
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if (!function_exists('mb_convert_encoding')) {
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function mb_convert_encoding($data, $to_encoding, $from_encoding = 'UTF-8') {
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if (str_replace('-', '', strtolower($to_encoding)) === 'utf8') {
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return utf8_encode($data);
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}
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return utf8_decode($data);
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}
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}
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if (!function_exists('mb_detect_encoding')) {
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function mb_detect_encoding($data, $encoding_list = array('iso-8859-1'), $strict = false) {
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return 'iso-8859-1';
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}
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}
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if (!function_exists('mb_detect_order')) {
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function mb_detect_order($encoding_list = array('iso-8859-1')) {
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return 'iso-8859-1';
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}
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}
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if (!function_exists('mb_internal_encoding')) {
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function mb_internal_encoding($encoding = null) {
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if (isset($encoding)) {
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return true;
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}
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return 'iso-8859-1';
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}
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}
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if (!function_exists('mb_strlen')) {
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function mb_strlen($str, $encoding = 'iso-8859-1') {
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switch (str_replace('-', '', strtolower($encoding))) {
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case "utf8": return strlen(utf8_encode($str));
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case "8bit": return strlen($str);
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default: return strlen(utf8_decode($str));
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}
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}
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}
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if (!function_exists('mb_strpos')) {
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function mb_strpos($haystack, $needle, $offset = 0) {
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return strpos($haystack, $needle, $offset);
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}
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}
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if (!function_exists('mb_strrpos')) {
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function mb_strrpos($haystack, $needle, $offset = 0) {
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return strrpos($haystack, $needle, $offset);
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}
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}
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if (!function_exists('mb_strtolower')) {
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function mb_strtolower( $str ) {
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return strtolower($str);
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}
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}
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if (!function_exists('mb_strtoupper')) {
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function mb_strtoupper( $str ) {
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return strtoupper($str);
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}
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}
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if (!function_exists('mb_substr')) {
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function mb_substr($string, $start, $length = null, $encoding = 'iso-8859-1') {
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if ( is_null($length) ) {
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return substr($string, $start);
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}
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return substr($string, $start, $length);
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}
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}
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if (!function_exists('mb_substr_count')) {
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function mb_substr_count($haystack, $needle, $encoding = 'iso-8859-1') {
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return substr_count($haystack, $needle);
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}
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}
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if (!function_exists('mb_encode_numericentity')) {
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function mb_encode_numericentity($str, $convmap, $encoding) {
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return htmlspecialchars($str);
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}
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}
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if (!function_exists('mb_convert_case')) {
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function mb_convert_case($str, $mode = MB_CASE_UPPER, $encoding = array()) {
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switch($mode) {
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case MB_CASE_UPPER: return mb_strtoupper($str);
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case MB_CASE_LOWER: return mb_strtolower($str);
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case MB_CASE_TITLE: return ucwords(mb_strtolower($str));
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default: return $str;
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}
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}
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}
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if (!function_exists('mb_list_encodings')) {
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function mb_list_encodings() {
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return array(
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"ISO-8859-1",
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"UTF-8",
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"8bit",
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);
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}
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}
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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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|
*
|
|
* @param string $str Data to decode
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* @param integer $width Image width
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*
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* @return string
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*/
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function rle8_decode ($str, $width){
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$lineWidth = $width + (3 - ($width-1) % 4);
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$out = '';
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$cnt = strlen($str);
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|
|
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for ($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
|
|
$i++;
|
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switch (ord($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) $out .= str_repeat(chr(0), $padCnt); # pad line
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break;
|
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case 1: # END OF FILE
|
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$padCnt = $lineWidth - strlen($out)%$lineWidth;
|
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if ($padCnt<$lineWidth) $out .= str_repeat(chr(0), $padCnt); # pad line
|
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break 3;
|
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case 2: # DELTA
|
|
$i += 2;
|
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break;
|
|
default: # ABSOLUTE MODE
|
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$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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if ($num % 2) $i++;
|
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}
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break;
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default:
|
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$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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|
|
/**
|
|
* Decoder for RLE4 compression in windows bitmaps
|
|
* see http://msdn.microsoft.com/library/default.asp?url=/library/en-us/gdi/bitmaps_6x0u.asp
|
|
*
|
|
* @param string $str Data to decode
|
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* @param integer $width Image width
|
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*
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* @return string
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*/
|
|
function rle4_decode ($str, $width) {
|
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$w = floor($width/2) + ($width % 2);
|
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$lineWidth = $w + (3 - ( ($width-1) / 2) % 4);
|
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$pixels = array();
|
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$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]);
|
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switch ($o) {
|
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case 0: # ESCAPE
|
|
$i++;
|
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switch (ord($str[$i])){
|
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case 0: # NEW LINE
|
|
while (count($pixels)%$lineWidth != 0) {
|
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$pixels[] = 0;
|
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}
|
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break;
|
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case 1: # END OF FILE
|
|
while (count($pixels)%$lineWidth != 0) {
|
|
$pixels[] = 0;
|
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}
|
|
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 $out;
|
|
}
|
|
|
|
if ( !function_exists("imagecreatefrombmp") ) {
|
|
|
|
/**
|
|
* Credit goes to mgutt
|
|
* http://www.programmierer-forum.de/function-imagecreatefrombmp-welche-variante-laeuft-t143137.htm
|
|
* Modified by Fabien Menager to support RGB555 BMP format
|
|
*/
|
|
function imagecreatefrombmp($filename) {
|
|
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
|
|
$palette = array();
|
|
if ($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: $data = rle8_decode($data, $meta['width']); break;
|
|
case 2: $data = rle4_decode($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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* getimagesize doesn't give a good size for 32bit BMP image v5
|
|
*
|
|
* @param string $filename
|
|
* @return array The same format as getimagesize($filename)
|
|
*/
|
|
function dompdf_getimagesize($filename) {
|
|
static $cache = array();
|
|
|
|
if ( isset($cache[$filename]) ) {
|
|
return $cache[$filename];
|
|
}
|
|
|
|
list($width, $height, $type) = getimagesize($filename);
|
|
|
|
if ( $width == null || $height == null ) {
|
|
$data = file_get_contents($filename, null, null, 0, 26);
|
|
|
|
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 = IMAGETYPE_BMP;
|
|
}
|
|
}
|
|
|
|
return $cache[$filename] = array($width, $height, $type);
|
|
}
|
|
|
|
/**
|
|
* Converts a CMYK color to RGB
|
|
*
|
|
* @param float|float[] $c
|
|
* @param float $m
|
|
* @param float $y
|
|
* @param float $k
|
|
*
|
|
* @return float[]
|
|
*/
|
|
function cmyk_to_rgb($c, $m = null, $y = null, $k = null) {
|
|
if (is_array($c)) {
|
|
list($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 array(
|
|
$r, $g, $b,
|
|
"r" => $r, "g" => $g, "b" => $b
|
|
);
|
|
}
|
|
|
|
function unichr($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 | $c & 0x3F);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if ( !function_exists("date_default_timezone_get") ) {
|
|
function date_default_timezone_get() {
|
|
return "";
|
|
}
|
|
|
|
function date_default_timezone_set($timezone_identifier) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 $errline
|
|
*
|
|
* @throws DOMPDF_Exception
|
|
*/
|
|
function record_warnings($errno, $errstr, $errfile, $errline) {
|
|
|
|
// Not a warning or notice
|
|
if ( !($errno & (E_WARNING | E_NOTICE | E_USER_NOTICE | E_USER_WARNING )) ) {
|
|
throw new DOMPDF_Exception($errstr . " $errno");
|
|
}
|
|
|
|
global $_dompdf_warnings;
|
|
global $_dompdf_show_warnings;
|
|
|
|
if ( $_dompdf_show_warnings ) {
|
|
echo $errstr . "\n";
|
|
}
|
|
|
|
$_dompdf_warnings[] = $errstr;
|
|
}
|
|
|
|
/**
|
|
* Print a useful backtrace
|
|
*/
|
|
function bt() {
|
|
if ( php_sapi_name() !== "cli") {
|
|
echo "<pre>";
|
|
}
|
|
|
|
$bt = debug_backtrace();
|
|
|
|
array_shift($bt); // remove actual bt() call
|
|
echo "\n";
|
|
|
|
$i = 0;
|
|
foreach ($bt as $call) {
|
|
$file = basename($call["file"]) . " (" . $call["line"] . ")";
|
|
if ( isset($call["class"]) ) {
|
|
$func = $call["class"] . "->" . $call["function"] . "()";
|
|
}
|
|
else {
|
|
$func = $call["function"] . "()";
|
|
}
|
|
|
|
echo "#" . str_pad($i, 2, " ", STR_PAD_RIGHT) . ": " . str_pad($file.":", 42) . " $func\n";
|
|
$i++;
|
|
}
|
|
echo "\n";
|
|
|
|
if ( php_sapi_name() !== "cli") {
|
|
echo "</pre>";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Print debug messages
|
|
*
|
|
* @param string $type The type of debug messages to print
|
|
* @param string $msg The message to show
|
|
*/
|
|
function dompdf_debug($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"] ."): " . $arr[1]["function"] . ": ";
|
|
pre_r($msg);
|
|
}
|
|
}
|
|
|
|
if ( !function_exists("print_memusage") ) {
|
|
/**
|
|
* Dump memory usage
|
|
*/
|
|
function print_memusage() {
|
|
global $memusage;
|
|
echo "Memory Usage\n";
|
|
$prev = 0;
|
|
$initial = reset($memusage);
|
|
echo str_pad("Initial:", 40) . $initial . "\n\n";
|
|
|
|
foreach ($memusage as $key=>$mem) {
|
|
$mem -= $initial;
|
|
echo str_pad("$key:" , 40);
|
|
echo str_pad("$mem", 12) . "(diff: " . ($mem - $prev) . ")\n";
|
|
$prev = $mem;
|
|
}
|
|
|
|
echo "\n" . str_pad("Total:", 40) . memory_get_usage() . "\n";
|
|
}
|
|
}
|
|
|
|
if ( !function_exists("enable_mem_profile") ) {
|
|
/**
|
|
* Initialize memory profiling code
|
|
*/
|
|
function enable_mem_profile() {
|
|
global $memusage;
|
|
$memusage = array("Startup" => memory_get_usage());
|
|
register_shutdown_function("print_memusage");
|
|
}
|
|
}
|
|
|
|
if ( !function_exists("mark_memusage") ) {
|
|
/**
|
|
* Record the current memory usage
|
|
*
|
|
* @param string $location a meaningful location
|
|
*/
|
|
function mark_memusage($location) {
|
|
global $memusage;
|
|
if ( isset($memusage) ) {
|
|
$memusage[$location] = memory_get_usage();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( !function_exists('sys_get_temp_dir')) {
|
|
/**
|
|
* Find the current system temporary directory
|
|
*
|
|
* @link http://us.php.net/manual/en/function.sys-get-temp-dir.php#85261
|
|
*/
|
|
function sys_get_temp_dir() {
|
|
if (!empty($_ENV['TMP'])) {
|
|
return realpath($_ENV['TMP']);
|
|
}
|
|
|
|
if (!empty($_ENV['TMPDIR'])) {
|
|
return realpath( $_ENV['TMPDIR']);
|
|
}
|
|
|
|
if (!empty($_ENV['TEMP'])) {
|
|
return realpath( $_ENV['TEMP']);
|
|
}
|
|
|
|
$tempfile=tempnam(uniqid(rand(), true), '');
|
|
if (file_exists($tempfile)) {
|
|
unlink($tempfile);
|
|
return realpath(dirname($tempfile));
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( function_exists("memory_get_peak_usage") ) {
|
|
function DOMPDF_memory_usage(){
|
|
return memory_get_peak_usage(true);
|
|
}
|
|
}
|
|
else if ( function_exists("memory_get_usage") ) {
|
|
function DOMPDF_memory_usage(){
|
|
return memory_get_usage(true);
|
|
}
|
|
}
|
|
else {
|
|
function DOMPDF_memory_usage(){
|
|
return "N/A";
|
|
}
|
|
}
|
|
|
|
if ( function_exists("curl_init") ) {
|
|
function DOMPDF_fetch_url($url, &$headers = null) {
|
|
$ch = curl_init($url);
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
|
|
curl_setopt($ch, CURLOPT_HEADER, true);
|
|
|
|
$data = curl_exec($ch);
|
|
$raw_headers = substr($data, 0, curl_getinfo($ch, CURLINFO_HEADER_SIZE));
|
|
$headers = preg_split("/[\n\r]+/", trim($raw_headers));
|
|
$data = substr($data, curl_getinfo($ch, CURLINFO_HEADER_SIZE));
|
|
curl_close($ch);
|
|
|
|
return $data;
|
|
}
|
|
}
|
|
else {
|
|
function DOMPDF_fetch_url($url, &$headers = null) {
|
|
$data = file_get_contents($url);
|
|
$headers = $http_response_header;
|
|
|
|
return $data;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Affect null to the unused objects
|
|
* @param mixed $object
|
|
*/
|
|
if ( PHP_VERSION_ID < 50300 ) {
|
|
function clear_object(&$object) {
|
|
if ( is_object($object) ) {
|
|
foreach ($object as &$value) {
|
|
clear_object($value);
|
|
}
|
|
}
|
|
|
|
$object = null;
|
|
unset($object);
|
|
}
|
|
}
|
|
else {
|
|
function clear_object(&$object) {
|
|
// void
|
|
}
|
|
}
|