From f5e7bfeb893f0c384772b3deeaf1687fea3e4d27 Mon Sep 17 00:00:00 2001
From: Olivier Pichon <op@united-asian.com>
Date: Sat, 21 Jan 2017 15:37:43 +0700
Subject: [PATCH] fixed border in multicell printing across columns

---
 tcpdf.php | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/tcpdf.php b/tcpdf.php
index 89ff0ff..74fb678 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -1822,9 +1822,9 @@ class TCPDF {
 	/**
 	 * This is the class constructor.
 	 * It allows to set up the page format, the orientation and the measure unit used in all the methods (except for the font sizes).
-	 * 
+	 *
 	 * IMPORTANT: Please note that this method sets the mb_internal_encoding to ASCII, so if you are using the mbstring module functions with TCPDF you need to correctly set/unset the mb_internal_encoding when needed.
-	 * 
+	 *
 	 * @param $orientation (string) page orientation. Possible values are (case insensitive):<ul><li>P or Portrait (default)</li><li>L or Landscape</li><li>'' (empty string) for automatic orientation</li></ul>
 	 * @param $unit (string) User measure unit. Possible values are:<ul><li>pt: point</li><li>mm: millimeter (default)</li><li>cm: centimeter</li><li>in: inch</li></ul><br />A point equals 1/72 of inch, that is to say about 0.35 mm (an inch being 2.54 cm). This is a very common unit in typography; font sizes are expressed in that unit.
 	 * @param $format (mixed) The format used for pages. It can be either: one of the string values specified at getPageSizeFromFormat() or an array of parameters specified at setPageFormat().
@@ -4691,7 +4691,7 @@ class TCPDF {
 	 * Defines the page and position a link points to.
 	 * @param $link (int) The link identifier returned by AddLink()
 	 * @param $y (float) Ordinate of target position; -1 indicates the current position. The default value is 0 (top of page)
-	 * @param $page (int) Number of target page; -1 indicates the current page (default value). If you prefix a page number with the * character, then this page will not be changed when adding/deleting/moving pages. 
+	 * @param $page (int) Number of target page; -1 indicates the current page (default value). If you prefix a page number with the * character, then this page will not be changed when adding/deleting/moving pages.
 	 * @public
 	 * @since 1.5
 	 * @see AddLink()
@@ -5944,7 +5944,9 @@ class TCPDF {
 			if ($startpage == $endpage) {
 				// single page
 				for ($column = $startcolumn; $column <= $endcolumn; ++$column) { // for each column
-					$this->selectColumn($column);
+					if ($column != $this->current_column) {
+						$this->selectColumn($column);
+					}
 					if ($this->rtl) {
 						$this->x -= $mc_margin['R'];
 					} else {
@@ -5973,7 +5975,9 @@ class TCPDF {
 				} // end for each column
 			} elseif ($page == $startpage) { // first page
 				for ($column = $startcolumn; $column < $this->num_columns; ++$column) { // for each column
-					$this->selectColumn($column);
+					if ($column != $this->current_column) {
+						$this->selectColumn($column);
+					}
 					if ($this->rtl) {
 						$this->x -= $mc_margin['R'];
 					} else {
@@ -5992,7 +5996,9 @@ class TCPDF {
 				} // end for each column
 			} elseif ($page == $endpage) { // last page
 				for ($column = 0; $column <= $endcolumn; ++$column) { // for each column
-					$this->selectColumn($column);
+					if ($column != $this->current_column) {
+						$this->selectColumn($column);
+					}
 					if ($this->rtl) {
 						$this->x -= $mc_margin['R'];
 					} else {
@@ -9798,7 +9804,7 @@ class TCPDF {
 			//$out .= ' /XFA ';
 			$out .= ' >>';
 			// signatures
-			if ($this->sign AND isset($this->signature_data['cert_type']) 
+			if ($this->sign AND isset($this->signature_data['cert_type'])
 				AND (empty($this->signature_data['approval']) OR ($this->signature_data['approval'] != 'A'))) {
 				if ($this->signature_data['cert_type'] > 0) {
 					$out .= ' /Perms << /DocMDP '.($this->sig_obj_id + 1).' 0 R >>';
@@ -17723,7 +17729,7 @@ Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value:
 										$spacew = ($spacewidth * $ns);
 									}
 									$offset = $strpiece[2][1] + strlen($strpiece[2][0]);
-									$epsposend = strpos($pmid, $this->epsmarker.'Q', $offset);				
+									$epsposend = strpos($pmid, $this->epsmarker.'Q', $offset);
 									if ($epsposend !== null) {
 										$epsposend += strlen($this->epsmarker.'Q');
 										$epsposbeg = strpos($pmid, 'q'.$this->epsmarker, $offset);
@@ -23681,7 +23687,7 @@ Putting 1 is equivalent to putting 0 and calling Ln() just after. Default value:
 		}
 		return $name;
 	}
-		
+
 	/**
 	 * Sets the opening SVG element handler function for the XML parser. (*** TO BE COMPLETED ***)
 	 * @param $parser (resource) The first parameter, parser, is a reference to the XML parser calling the handler.