//Alternatively
//1) Put the class VariableStream inside your php file instead of declaring it
//--------------------------
enter code here
class VariableStream
{
var $varname;
var $position;
function stream_open($path, $mode, $options, &$opened_path)
{
$url = parse_url($path);
$this->varname = $url['host'];
if(!isset($GLOBALS[$this->varname]))
{
trigger_error('Global variable '.$this->varname.' does not exist', E_USER_WARNING);
return false;
}
$this->position = 0;
return true;
}
function stream_read($count)
{
$ret = substr($GLOBALS[$this->varname], $this->position, $count);
$this->position += strlen($ret);
return $ret;
}
function stream_eof()
{
return $this->position >= strlen($GLOBALS[$this->varname]);
}
function stream_tell()
{
return $this->position;
}
function stream_seek($offset, $whence)
{
if($whence==SEEK_SET)
{
$this->position = $offset;
return true;
}
return false;
}
function stream_stat()
{
return array();
}
}
//----------------------------------------------------
//2) open and read your mysql longblob that contains your binary data from your image
//in my case the function declaration is this
function showImage($cdImg) {
Global $pdf;
//declare your pdf class
//Connects the way you do. this case assigned as $odbc_conn
$query = 'SELECT cd_img, ds_img, bin_img FROM tb_img WHERE cd_img = '.$cdImg;
$result= mysqli_query($odbc_conn, $query);
$row = mysqli_fetch_array($result);
if (!empty($row["bin_img"]))
{
//IF your data is encoded
//$data=base64_decode($row['bin_img']);
//
$data=$row['bin_img'];
}
mysqli_free_result($result);
mysqli_close($odbc_conn);
stream_wrapper_register('var', 'VariableStream');
$x=null;
$y=null;
$w=0;
$h=0;
$link='';
//Display the image contained in $data
$v = 'img'.md5($data);
$GLOBALS[$v] = $data;
$a = getimagesize('var://'.$v);
if(!$a)
$pdf->Error('Invalid image data');
$type = substr(strstr($a['mime'],'/'),1);
$pdf->Cell(1);
$pdf->Cell(26, 1, '', '', 0,'L');
$pdf->Cell(150, 1, '', '', 1,'L');
//650=150 choose your options for height and width
//845=156
//$xc=ceil((676-$a['width'])/2);
$pdf->Image('var://'.$v, 44, $y, 150, 0, $type, $link);
unset($GLOBALS[$v]);
}