From f90caf00185e9f1d9d5d43dcb1aebcefd6fddcdd Mon Sep 17 00:00:00 2001
From: Tiago Malheiro <tiagomalheiro.a@gmail.com>
Date: Fri, 31 May 2019 18:47:57 +0100
Subject: [PATCH] Workaround for line chart fill color

See https://github.com/PHPOffice/PhpSpreadsheet/issues/589
---
 src/PhpSpreadsheet/Writer/Xlsx/Chart.php | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/PhpSpreadsheet/Writer/Xlsx/Chart.php b/src/PhpSpreadsheet/Writer/Xlsx/Chart.php
index 625fd16de2..590690f87e 100644
--- a/src/PhpSpreadsheet/Writer/Xlsx/Chart.php
+++ b/src/PhpSpreadsheet/Writer/Xlsx/Chart.php
@@ -260,7 +260,7 @@ private function writePlotArea(XMLWriter $objWriter, \PhpOffice\PhpSpreadsheet\W
             if ($chartType === DataSeries::TYPE_LINECHART) {
                 //    Line only, Line3D can't be smoothed
                 $objWriter->startElement('c:smooth');
-                $objWriter->writeAttribute('val', (int) $plotGroup->getSmoothLine());
+                $objWriter->writeAttribute('val', (int)$plotGroup->getSmoothLine());
                 $objWriter->endElement();
             } elseif (($chartType === DataSeries::TYPE_BARCHART) || ($chartType === DataSeries::TYPE_BARCHART_3D)) {
                 $objWriter->startElement('c:gapWidth');
@@ -1108,7 +1108,7 @@ private function writePlotGroup($plotGroup, $groupType, $objWriter, &$catIsMulti
             $objWriter->startElement('c:ser');
 
             $plotLabel = $plotGroup->getPlotLabelByIndex($plotSeriesIdx);
-            if ($plotLabel) {
+            if ($plotLabel && $groupType !== DataSeries::TYPE_LINECHART) {
                 $fillColor = $plotLabel->getFillColor();
                 if ($fillColor !== null && !is_array($fillColor)) {
                     $objWriter->startElement('c:spPr');
@@ -1166,6 +1166,13 @@ private function writePlotGroup($plotGroup, $groupType, $objWriter, &$catIsMulti
                 if ($groupType == DataSeries::TYPE_STOCKCHART) {
                     $objWriter->startElement('a:noFill');
                     $objWriter->endElement();
+                } elseif ($plotLabel && $plotLabel->getFillColor() !== null) {
+                    $fillColor = $plotLabel->getFillColor();
+                    $objWriter->startElement('a:solidFill');
+                    $objWriter->startElement('a:srgbClr');
+                    $objWriter->writeAttribute('val', $fillColor);
+                    $objWriter->endElement();
+                    $objWriter->endElement();
                 }
                 $objWriter->endElement();
                 $objWriter->endElement();