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<?php
include('Barcode.php');
 
 // -------------------------------------------------- //
 //                  PROPERTIES
 // -------------------------------------------------- //
 
 // download a ttf font here for example : http://www.dafont.com/fr/nottke.font
 //$font     = './NOTTB___.TTF';
 // - -
 
 $fontSize = 10;   // GD1 in px ; GD2 in point
 $marge    = 10;   // between barcode and hri in pixel
 $x        = 125;  // barcode center
 $y        = 125;  // barcode center
 $height   = 50;   // barcode height in 1D ; module size in 2D
 $width    = 2;    // barcode height in 1D ; not use in 2D
 $angle    = 90;   // rotation in degrees : nb : non horizontable barcode might not be usable because of pixelisation
 
 $code     = '123456789012'; // barcode, of course ;)
 $type     = 'ean13';
 
 // -------------------------------------------------- //
 //                    USEFUL
 // -------------------------------------------------- //
 
 function drawCross($im, $color, $x, $y){
 imageline($im, $x - 10, $y, $x + 10, $y, $color);
 imageline($im, $x, $y- 10, $x, $y + 10, $color);
 }
 
 // -------------------------------------------------- //
 //            ALLOCATE GD RESSOURCE
 // -------------------------------------------------- //
 $im     = imagecreatetruecolor(300, 300);
 $black  = ImageColorAllocate($im,0x00,0x00,0x00);
 $white  = ImageColorAllocate($im,0xff,0xff,0xff);
 $red    = ImageColorAllocate($im,0xff,0x00,0x00);
 $blue   = ImageColorAllocate($im,0x00,0x00,0xff);
 imagefilledrectangle($im, 0, 0, 300, 300, $white);
 
 // -------------------------------------------------- //
 //                      BARCODE
 // -------------------------------------------------- //
 $data = Barcode::gd($im, $black, $x, $y, $angle, $type, array('code'=>$code), $width, $height);
 
 // -------------------------------------------------- //
 //                        HRI
 // -------------------------------------------------- //
 if ( isset($font) ){
 $box = imagettfbbox($fontSize, 0, $font, $data['hri']);
 $len = $box[2] - $box[0];
 Barcode::rotate(-$len / 2, ($data['height'] / 2) + $fontSize + $marge, $angle, $xt, $yt);
 imagettftext($im, $fontSize, $angle, $x + $xt, $y + $yt, $blue, $font, $data['hri']);
 }
 // -------------------------------------------------- //
 //                     ROTATE
 // -------------------------------------------------- //
 // Beware ! the rotate function should be use only with right angle
 // Remove the comment below to see a non right rotation
 /** /
 $rot = imagerotate($im, 45, $white);
 imagedestroy($im);
 $im     = imagecreatetruecolor(900, 300);
 $black  = ImageColorAllocate($im,0x00,0x00,0x00);
 $white  = ImageColorAllocate($im,0xff,0xff,0xff);
 $red    = ImageColorAllocate($im,0xff,0x00,0x00);
 $blue   = ImageColorAllocate($im,0x00,0x00,0xff);
 imagefilledrectangle($im, 0, 0, 900, 300, $white);
 
 // Barcode rotation : 90°
 $angle = 90;
 $data = Barcode::gd($im, $black, $x, $y, $angle, $type, array('code'=>$code), $width, $height);
 Barcode::rotate(-$len / 2, ($data['height'] / 2) + $fontSize + $marge, $angle, $xt, $yt);
 imagettftext($im, $fontSize, $angle, $x + $xt, $y + $yt, $blue, $font, $data['hri']);
 imagettftext($im, 10, 0, 60, 290, $black, $font, 'BARCODE ROTATION : 90°');
 
 // barcode rotation : 135
 $angle = 135;
 Barcode::gd($im, $black, $x+300, $y, $angle, $type, array('code'=>$code), $width, $height);
 Barcode::rotate(-$len / 2, ($data['height'] / 2) + $fontSize + $marge, $angle, $xt, $yt);
 imagettftext($im, $fontSize, $angle, $x + 300 + $xt, $y + $yt, $blue, $font, $data['hri']);
 imagettftext($im, 10, 0, 360, 290, $black, $font, 'BARCODE ROTATION : 135°');
 
 // last one : image rotation
 imagecopy($im, $rot, 580, -50, 0, 0, 300, 300);
 imagerectangle($im, 0, 0, 299, 299, $black);
 imagerectangle($im, 299, 0, 599, 299, $black);
 imagerectangle($im, 599, 0, 899, 299, $black);
 imagettftext($im, 10, 0, 690, 290, $black, $font, 'IMAGE ROTATION');
 /**/
 
 // -------------------------------------------------- //
 //                    MIDDLE AXE
 // -------------------------------------------------- //
 imageline($im, $x, 0, $x, 250, $red);
 imageline($im, 0, $y, 250, $y, $red);
 
 // -------------------------------------------------- //
 //                  BARCODE BOUNDARIES
 // -------------------------------------------------- //
 for($i=1; $i<5; $i++){
 drawCross($im, $blue, $data['p'.$i]['x'], $data['p'.$i]['y']);
 }
 
 // -------------------------------------------------- //
 //                    GENERATE
 // -------------------------------------------------- //
 header('Content-type: image/gif');
 imagegif($im);
 imagedestroy($im);
 ?>
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