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<?php
require($ADEI_ROOTDIR . "/classes/jpgraph.php");
class DRAWText {
var $req;
var $height, $width;
var $graph;
var $tmpfile;
var $ready;
function __construct(REQUEST $req = NULL) {
global $TMP_PATH;
global $GRAPH_DEFAULT_HEIGHT;
global $GRAPH_DEFAULT_WIDTH;
if ($req) $this->req = $req;
else $this->req = new REQUEST();
$this->ready = false;
if (isset($this->req->props['height'])) $this->height = $this->req->props['height'];
else $this->height = $GRAPH_DEFAULT_HEIGHT;
if (isset($this->req->props['width'])) $this->width = $this->req->props['width'];
else $this->width = $GRAPH_DEFAULT_WIDTH;
$this->tmpfile = $this->GetTmpFile();
}
function GetTmpFile() {
global $ADEI_SESSION;
global $TMP_PATH;
$dir = "clients/" . $ADEI_SESSION . "/messages/";
if (!is_dir($TMP_PATH . "/" . $dir)) {
if (!@mkdir($TMP_PATH . "/" . $dir, 0755, true))
throw new ADEIException(translate("DRAWText class have not access to the temporary directory"));
}
return $dir . time() . "_" . rand() . ".png";
}
function CreateMessage($header, $msg) {
$this->graph = new CanvasGraph($this->width, $this->height, 'auto');
$this->graph->SetMargin(5,11,6,11);
$this->graph->SetShadow();
$this->graph->SetMarginColor( "teal");
$this->graph->InitFrame();
$text_width = $this->width - 50;
if ($text_width < 100) return;
$text = new Text($msg, 25, 25);
$text->SetFont(FF_ARIAL, FS_NORMAL, 24);
// $text->Align('left', 'top');
// $text->ParagraphAlign('left');
// $text->SetBox( "white", "black","gray");
$width = $text->GetWidth($this->graph->img);
if ($width > $text_width) {
$char_width = ceil($width / strlen($msg));
$cpl = $text_width / $char_width;
/*
Does not taken into the account by GetWidth function
$text->SetWordWrap($cpl);
*/
$wmsg = wordwrap($msg, $cpl, "\n", true);
$text->Set($wmsg);
$width = $text->GetWidth($this->graph->img);
while (($width > $text_width)&&($cpl>10)) {
$cpl-=$cpl/10;
$wmsg = wordwrap($msg, $cpl, "\n", true);
$text->Set($wmsg);
$width = $text->GetWidth($this->graph->img);
}
}
$text->Stroke( $this->graph->img);
}
function Save($file = false) {
global $TMP_PATH;
if ($this->ready) {
if ($file) {
copy($TMP_PATH . "/" . $this->tmpfile, $file);
return true;
}
return $this->tmpfile;
}
if ($file) {
$this->graph->Stroke($file);
return true;
}
$fp = fopen($TMP_PATH . "/" . $this->tmpfile . ".tmp", "w+");
if ($fp) flock($fp, LOCK_EX);
$this->graph->Stroke($TMP_PATH . "/" . $this->tmpfile);
if ($fp) fclose($fp);
return $this->tmpfile;
}
static function Display($file = false) {
global $TMP_PATH;
if ($file) {
if (preg_match("/^[A-Za-z0-9\/_]\.png$/",$str)) return false;
$fp = fopen($TMP_PATH . "/" . $file . ".tmp", "w+");
if ($fp) flock($fp, LOCK_SH);
$res = @readfile($TMP_PATH . "/" . $file);
if ($fp) fclose($fp);
return $res;
}
return false;
}
}
?>
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