From cf3abfc67725bb1a4d3ca78bd57848110b60f81b Mon Sep 17 00:00:00 2001
From: Thibault Richy <thibault.richy@ldc.fr>
Date: Mon, 25 Feb 2019 11:25:55 +0100
Subject: [PATCH] ecartement texte

---
 app/Traits/GenerateBR.php | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/app/Traits/GenerateBR.php b/app/Traits/GenerateBR.php
index 6cb46c8..b5642c5 100644
--- a/app/Traits/GenerateBR.php
+++ b/app/Traits/GenerateBR.php
@@ -46,7 +46,13 @@ trait GenerateBR {
         $boxMentions = imagettfbbox(7, 0, $arial, $txt_mentions);
         $white = imagecolorallocate($ImageMentionFond, 255, 255, 255);
         $black = imagecolorallocate($ImageMentionFond, 0, 0, 0);
-        imagettftext($ImageMentionFond , 7 , 0, (415/2)-(abs($boxMentions[4])-abs($boxMentions[6]))/2, 23, $black, $arial, $txt_mentions);
+        $lines_mentions = explode("\r\n", $txt_mentions);
+        $y = 4;
+        foreach ($lines_mentions as $line) {
+            $y = $y +13;
+            $this->imagettftextSp($ImageMentionFond , 7 , 0, (415/2)-(abs($boxMentions[4])-abs($boxMentions[6]))/2, $y, $black, $arial, $line, 1);
+        }
+        
         imagecolortransparent($ImageMentionFond, $white);
         imagecopy($mask, $ImageMentionFond, 335, 235, 0, 0, imagesx($ImageMentionFond), imagesy($ImageMentionFond));
 
@@ -123,6 +129,24 @@ trait GenerateBR {
         return "generation/".$coupon->coupon_code.".png";
     }
 
+    function imagettftextSp($image, $size, $angle, $x, $y, $color, $font, $text, $spacing = 0) {
+        if ($spacing == 0) {
+            imagettftext($image, $size, $angle, $x, $y, $color, $font, $text);
+        } else {
+            $temp_x = $x;
+            $temp_y = $y;
+            //to avoid special char problems
+            $char_array = preg_split('//u',$text, -1, PREG_SPLIT_NO_EMPTY);
+            foreach($char_array as $char) {
+                imagettftext($image, $size, $angle, $temp_x, $temp_y, $color, $font, $char);
+                $bbox = imagettfbbox($size, 0, $font, $char);
+                $temp_x += cos(deg2rad($angle)) * ($spacing + ($bbox[2] - $bbox[0]));
+                $temp_y -= sin(deg2rad($angle)) * ($spacing + ($bbox[2] - $bbox[0]));
+            }
+        }
+    }
+
+
 
     function imagettftext_contour($image, $fontsize, $angle, $x, $y, $color, $font, $text, $color_contour, $contour_haut=1, $contour_bas=1, $contour_gauche=1, $contour_droite=1)
 	{