commitall

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Axis.php

@@ -0,0 +1,298 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+/**
+ * Created by PhpStorm.
+ * User: Wiktor Trzonkowski
+ * Date: 6/17/14
+ * Time: 12:11 PM.
+ */
+class Axis extends Properties
+{
+    const AXIS_TYPE_CATEGORY = 'catAx';
+    const AXIS_TYPE_DATE = 'dateAx';
+    const AXIS_TYPE_VALUE = 'valAx';
+
+    const TIME_UNIT_DAYS = 'days';
+    const TIME_UNIT_MONTHS = 'months';
+    const TIME_UNIT_YEARS = 'years';
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->fillColor = new ChartColor();
+    }
+
+    /**
+     * Chart Major Gridlines as.
+     *
+     * @var ?GridLines
+     */
+    private $majorGridlines;
+
+    /**
+     * Chart Minor Gridlines as.
+     *
+     * @var ?GridLines
+     */
+    private $minorGridlines;
+
+    /**
+     * Axis Number.
+     *
+     * @var mixed[]
+     */
+    private $axisNumber = [
+        'format' => self::FORMAT_CODE_GENERAL,
+        'source_linked' => 1,
+        'numeric' => null,
+    ];
+
+    /** @var string */
+    private $axisType = '';
+
+    /**
+     * Axis Options.
+     *
+     * @var mixed[]
+     */
+    private $axisOptions = [
+        'minimum' => null,
+        'maximum' => null,
+        'major_unit' => null,
+        'minor_unit' => null,
+        'orientation' => self::ORIENTATION_NORMAL,
+        'minor_tick_mark' => self::TICK_MARK_NONE,
+        'major_tick_mark' => self::TICK_MARK_NONE,
+        'axis_labels' => self::AXIS_LABELS_NEXT_TO,
+        'horizontal_crosses' => self::HORIZONTAL_CROSSES_AUTOZERO,
+        'horizontal_crosses_value' => null,
+        'textRotation' => null,
+        'hidden' => null,
+        'majorTimeUnit' => self::TIME_UNIT_YEARS,
+        'minorTimeUnit' => self::TIME_UNIT_MONTHS,
+        'baseTimeUnit' => self::TIME_UNIT_DAYS,
+    ];
+
+    /**
+     * Fill Properties.
+     *
+     * @var ChartColor
+     */
+    private $fillColor;
+
+    private const NUMERIC_FORMAT = [
+        Properties::FORMAT_CODE_NUMBER,
+        Properties::FORMAT_CODE_DATE,
+        Properties::FORMAT_CODE_DATE_ISO8601,
+    ];
+
+    /**
+     * Get Series Data Type.
+     *
+     * @param mixed $format_code
+     */
+    public function setAxisNumberProperties($format_code, ?bool $numeric = null, int $sourceLinked = 0): void
+    {
+        $format = (string) $format_code;
+        $this->axisNumber['format'] = $format;
+        $this->axisNumber['source_linked'] = $sourceLinked;
+        if (is_bool($numeric)) {
+            $this->axisNumber['numeric'] = $numeric;
+        } elseif (in_array($format, self::NUMERIC_FORMAT, true)) {
+            $this->axisNumber['numeric'] = true;
+        }
+    }
+
+    /**
+     * Get Axis Number Format Data Type.
+     *
+     * @return string
+     */
+    public function getAxisNumberFormat()
+    {
+        return $this->axisNumber['format'];
+    }
+
+    /**
+     * Get Axis Number Source Linked.
+     *
+     * @return string
+     */
+    public function getAxisNumberSourceLinked()
+    {
+        return (string) $this->axisNumber['source_linked'];
+    }
+
+    public function getAxisIsNumericFormat(): bool
+    {
+        return $this->axisType === self::AXIS_TYPE_DATE || (bool) $this->axisNumber['numeric'];
+    }
+
+    public function setAxisOption(string $key, ?string $value): void
+    {
+        if ($value !== null && $value !== '') {
+            $this->axisOptions[$key] = $value;
+        }
+    }
+
+    /**
+     * Set Axis Options Properties.
+     */
+    public function setAxisOptionsProperties(
+        string $axisLabels,
+        ?string $horizontalCrossesValue = null,
+        ?string $horizontalCrosses = null,
+        ?string $axisOrientation = null,
+        ?string $majorTmt = null,
+        ?string $minorTmt = null,
+        ?string $minimum = null,
+        ?string $maximum = null,
+        ?string $majorUnit = null,
+        ?string $minorUnit = null,
+        ?string $textRotation = null,
+        ?string $hidden = null,
+        ?string $baseTimeUnit = null,
+        ?string $majorTimeUnit = null,
+        ?string $minorTimeUnit = null
+    ): void {
+        $this->axisOptions['axis_labels'] = $axisLabels;
+        $this->setAxisOption('horizontal_crosses_value', $horizontalCrossesValue);
+        $this->setAxisOption('horizontal_crosses', $horizontalCrosses);
+        $this->setAxisOption('orientation', $axisOrientation);
+        $this->setAxisOption('major_tick_mark', $majorTmt);
+        $this->setAxisOption('minor_tick_mark', $minorTmt);
+        $this->setAxisOption('minimum', $minimum);
+        $this->setAxisOption('maximum', $maximum);
+        $this->setAxisOption('major_unit', $majorUnit);
+        $this->setAxisOption('minor_unit', $minorUnit);
+        $this->setAxisOption('textRotation', $textRotation);
+        $this->setAxisOption('hidden', $hidden);
+        $this->setAxisOption('baseTimeUnit', $baseTimeUnit);
+        $this->setAxisOption('majorTimeUnit', $majorTimeUnit);
+        $this->setAxisOption('minorTimeUnit', $minorTimeUnit);
+    }
+
+    /**
+     * Get Axis Options Property.
+     *
+     * @param string $property
+     *
+     * @return ?string
+     */
+    public function getAxisOptionsProperty($property)
+    {
+        return $this->axisOptions[$property];
+    }
+
+    /**
+     * Set Axis Orientation Property.
+     *
+     * @param string $orientation
+     */
+    public function setAxisOrientation($orientation): void
+    {
+        $this->axisOptions['orientation'] = (string) $orientation;
+    }
+
+    public function getAxisType(): string
+    {
+        return $this->axisType;
+    }
+
+    public function setAxisType(string $type): self
+    {
+        if ($type === self::AXIS_TYPE_CATEGORY || $type === self::AXIS_TYPE_VALUE || $type === self::AXIS_TYPE_DATE) {
+            $this->axisType = $type;
+        } else {
+            $this->axisType = '';
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set Fill Property.
+     *
+     * @param ?string $color
+     * @param ?int $alpha
+     * @param ?string $AlphaType
+     */
+    public function setFillParameters($color, $alpha = null, $AlphaType = ChartColor::EXCEL_COLOR_TYPE_RGB): void
+    {
+        $this->fillColor->setColorProperties($color, $alpha, $AlphaType);
+    }
+
+    /**
+     * Get Fill Property.
+     *
+     * @param string $property
+     *
+     * @return string
+     */
+    public function getFillProperty($property)
+    {
+        return (string) $this->fillColor->getColorProperty($property);
+    }
+
+    public function getFillColorObject(): ChartColor
+    {
+        return $this->fillColor;
+    }
+
+    /**
+     * Get Line Color Property.
+     *
+     * @deprecated 1.24.0
+     *      Use the getLineColor property in the Properties class instead
+     * @see Properties::getLineColorProperty()
+     *
+     * @param string $propertyName
+     *
+     * @return null|int|string
+     */
+    public function getLineProperty($propertyName)
+    {
+        return $this->getLineColorProperty($propertyName);
+    }
+
+    /** @var string */
+    private $crossBetween = ''; // 'between' or 'midCat' might be better
+
+    public function setCrossBetween(string $crossBetween): self
+    {
+        $this->crossBetween = $crossBetween;
+
+        return $this;
+    }
+
+    public function getCrossBetween(): string
+    {
+        return $this->crossBetween;
+    }
+
+    public function getMajorGridlines(): ?GridLines
+    {
+        return $this->majorGridlines;
+    }
+
+    public function getMinorGridlines(): ?GridLines
+    {
+        return $this->minorGridlines;
+    }
+
+    public function setMajorGridlines(?GridLines $gridlines): self
+    {
+        $this->majorGridlines = $gridlines;
+
+        return $this;
+    }
+
+    public function setMinorGridlines(?GridLines $gridlines): self
+    {
+        $this->minorGridlines = $gridlines;
+
+        return $this;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Chart.php

@@ -0,0 +1,789 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\Settings;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class Chart
+{
+    /**
+     * Chart Name.
+     *
+     * @var string
+     */
+    private $name = '';
+
+    /**
+     * Worksheet.
+     *
+     * @var ?Worksheet
+     */
+    private $worksheet;
+
+    /**
+     * Chart Title.
+     *
+     * @var ?Title
+     */
+    private $title;
+
+    /**
+     * Chart Legend.
+     *
+     * @var ?Legend
+     */
+    private $legend;
+
+    /**
+     * X-Axis Label.
+     *
+     * @var ?Title
+     */
+    private $xAxisLabel;
+
+    /**
+     * Y-Axis Label.
+     *
+     * @var ?Title
+     */
+    private $yAxisLabel;
+
+    /**
+     * Chart Plot Area.
+     *
+     * @var ?PlotArea
+     */
+    private $plotArea;
+
+    /**
+     * Plot Visible Only.
+     *
+     * @var bool
+     */
+    private $plotVisibleOnly = true;
+
+    /**
+     * Display Blanks as.
+     *
+     * @var string
+     */
+    private $displayBlanksAs = DataSeries::EMPTY_AS_GAP;
+
+    /**
+     * Chart Asix Y as.
+     *
+     * @var Axis
+     */
+    private $yAxis;
+
+    /**
+     * Chart Asix X as.
+     *
+     * @var Axis
+     */
+    private $xAxis;
+
+    /**
+     * Top-Left Cell Position.
+     *
+     * @var string
+     */
+    private $topLeftCellRef = 'A1';
+
+    /**
+     * Top-Left X-Offset.
+     *
+     * @var int
+     */
+    private $topLeftXOffset = 0;
+
+    /**
+     * Top-Left Y-Offset.
+     *
+     * @var int
+     */
+    private $topLeftYOffset = 0;
+
+    /**
+     * Bottom-Right Cell Position.
+     *
+     * @var string
+     */
+    private $bottomRightCellRef = '';
+
+    /**
+     * Bottom-Right X-Offset.
+     *
+     * @var int
+     */
+    private $bottomRightXOffset = 10;
+
+    /**
+     * Bottom-Right Y-Offset.
+     *
+     * @var int
+     */
+    private $bottomRightYOffset = 10;
+
+    /** @var ?int */
+    private $rotX;
+
+    /** @var ?int */
+    private $rotY;
+
+    /** @var ?int */
+    private $rAngAx;
+
+    /** @var ?int */
+    private $perspective;
+
+    /** @var bool */
+    private $oneCellAnchor = false;
+
+    /** @var bool */
+    private $autoTitleDeleted = false;
+
+    /** @var bool */
+    private $noFill = false;
+
+    /** @var bool */
+    private $roundedCorners = false;
+
+    /**
+     * Create a new Chart.
+     * majorGridlines and minorGridlines are deprecated, moved to Axis.
+     *
+     * @param mixed $name
+     * @param mixed $plotVisibleOnly
+     * @param string $displayBlanksAs
+     */
+    public function __construct($name, ?Title $title = null, ?Legend $legend = null, ?PlotArea $plotArea = null, $plotVisibleOnly = true, $displayBlanksAs = DataSeries::EMPTY_AS_GAP, ?Title $xAxisLabel = null, ?Title $yAxisLabel = null, ?Axis $xAxis = null, ?Axis $yAxis = null, ?GridLines $majorGridlines = null, ?GridLines $minorGridlines = null)
+    {
+        $this->name = $name;
+        $this->title = $title;
+        $this->legend = $legend;
+        $this->xAxisLabel = $xAxisLabel;
+        $this->yAxisLabel = $yAxisLabel;
+        $this->plotArea = $plotArea;
+        $this->plotVisibleOnly = $plotVisibleOnly;
+        $this->displayBlanksAs = $displayBlanksAs;
+        $this->xAxis = $xAxis ?? new Axis();
+        $this->yAxis = $yAxis ?? new Axis();
+        if ($majorGridlines !== null) {
+            $this->yAxis->setMajorGridlines($majorGridlines);
+        }
+        if ($minorGridlines !== null) {
+            $this->yAxis->setMinorGridlines($minorGridlines);
+        }
+    }
+
+    /**
+     * Get Name.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): self
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    /**
+     * Get Worksheet.
+     */
+    public function getWorksheet(): ?Worksheet
+    {
+        return $this->worksheet;
+    }
+
+    /**
+     * Set Worksheet.
+     *
+     * @return $this
+     */
+    public function setWorksheet(?Worksheet $worksheet = null)
+    {
+        $this->worksheet = $worksheet;
+
+        return $this;
+    }
+
+    public function getTitle(): ?Title
+    {
+        return $this->title;
+    }
+
+    /**
+     * Set Title.
+     *
+     * @return $this
+     */
+    public function setTitle(Title $title)
+    {
+        $this->title = $title;
+
+        return $this;
+    }
+
+    public function getLegend(): ?Legend
+    {
+        return $this->legend;
+    }
+
+    /**
+     * Set Legend.
+     *
+     * @return $this
+     */
+    public function setLegend(Legend $legend)
+    {
+        $this->legend = $legend;
+
+        return $this;
+    }
+
+    public function getXAxisLabel(): ?Title
+    {
+        return $this->xAxisLabel;
+    }
+
+    /**
+     * Set X-Axis Label.
+     *
+     * @return $this
+     */
+    public function setXAxisLabel(Title $label)
+    {
+        $this->xAxisLabel = $label;
+
+        return $this;
+    }
+
+    public function getYAxisLabel(): ?Title
+    {
+        return $this->yAxisLabel;
+    }
+
+    /**
+     * Set Y-Axis Label.
+     *
+     * @return $this
+     */
+    public function setYAxisLabel(Title $label)
+    {
+        $this->yAxisLabel = $label;
+
+        return $this;
+    }
+
+    public function getPlotArea(): ?PlotArea
+    {
+        return $this->plotArea;
+    }
+
+    /**
+     * Set Plot Area.
+     */
+    public function setPlotArea(PlotArea $plotArea): self
+    {
+        $this->plotArea = $plotArea;
+
+        return $this;
+    }
+
+    /**
+     * Get Plot Visible Only.
+     *
+     * @return bool
+     */
+    public function getPlotVisibleOnly()
+    {
+        return $this->plotVisibleOnly;
+    }
+
+    /**
+     * Set Plot Visible Only.
+     *
+     * @param bool $plotVisibleOnly
+     *
+     * @return $this
+     */
+    public function setPlotVisibleOnly($plotVisibleOnly)
+    {
+        $this->plotVisibleOnly = $plotVisibleOnly;
+
+        return $this;
+    }
+
+    /**
+     * Get Display Blanks as.
+     *
+     * @return string
+     */
+    public function getDisplayBlanksAs()
+    {
+        return $this->displayBlanksAs;
+    }
+
+    /**
+     * Set Display Blanks as.
+     *
+     * @param string $displayBlanksAs
+     *
+     * @return $this
+     */
+    public function setDisplayBlanksAs($displayBlanksAs)
+    {
+        $this->displayBlanksAs = $displayBlanksAs;
+
+        return $this;
+    }
+
+    public function getChartAxisY(): Axis
+    {
+        return $this->yAxis;
+    }
+
+    /**
+     * Set yAxis.
+     */
+    public function setChartAxisY(?Axis $axis): self
+    {
+        $this->yAxis = $axis ?? new Axis();
+
+        return $this;
+    }
+
+    public function getChartAxisX(): Axis
+    {
+        return $this->xAxis;
+    }
+
+    /**
+     * Set xAxis.
+     */
+    public function setChartAxisX(?Axis $axis): self
+    {
+        $this->xAxis = $axis ?? new Axis();
+
+        return $this;
+    }
+
+    /**
+     * Get Major Gridlines.
+     *
+     * @deprecated 1.24.0 Use Axis->getMajorGridlines()
+     * @see Axis::getMajorGridlines()
+     *
+     * @codeCoverageIgnore
+     */
+    public function getMajorGridlines(): ?GridLines
+    {
+        return $this->yAxis->getMajorGridLines();
+    }
+
+    /**
+     * Get Minor Gridlines.
+     *
+     * @deprecated 1.24.0 Use Axis->getMinorGridlines()
+     * @see Axis::getMinorGridlines()
+     *
+     * @codeCoverageIgnore
+     */
+    public function getMinorGridlines(): ?GridLines
+    {
+        return $this->yAxis->getMinorGridLines();
+    }
+
+    /**
+     * Set the Top Left position for the chart.
+     *
+     * @param string $cellAddress
+     * @param int $xOffset
+     * @param int $yOffset
+     *
+     * @return $this
+     */
+    public function setTopLeftPosition($cellAddress, $xOffset = null, $yOffset = null)
+    {
+        $this->topLeftCellRef = $cellAddress;
+        if ($xOffset !== null) {
+            $this->setTopLeftXOffset($xOffset);
+        }
+        if ($yOffset !== null) {
+            $this->setTopLeftYOffset($yOffset);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the top left position of the chart.
+     *
+     * Returns ['cell' => string cell address, 'xOffset' => int, 'yOffset' => int].
+     *
+     * @return array{cell: string, xOffset: int, yOffset: int} an associative array containing the cell address, X-Offset and Y-Offset from the top left of that cell
+     */
+    public function getTopLeftPosition(): array
+    {
+        return [
+            'cell' => $this->topLeftCellRef,
+            'xOffset' => $this->topLeftXOffset,
+            'yOffset' => $this->topLeftYOffset,
+        ];
+    }
+
+    /**
+     * Get the cell address where the top left of the chart is fixed.
+     *
+     * @return string
+     */
+    public function getTopLeftCell()
+    {
+        return $this->topLeftCellRef;
+    }
+
+    /**
+     * Set the Top Left cell position for the chart.
+     *
+     * @param string $cellAddress
+     *
+     * @return $this
+     */
+    public function setTopLeftCell($cellAddress)
+    {
+        $this->topLeftCellRef = $cellAddress;
+
+        return $this;
+    }
+
+    /**
+     * Set the offset position within the Top Left cell for the chart.
+     *
+     * @param ?int $xOffset
+     * @param ?int $yOffset
+     *
+     * @return $this
+     */
+    public function setTopLeftOffset($xOffset, $yOffset)
+    {
+        if ($xOffset !== null) {
+            $this->setTopLeftXOffset($xOffset);
+        }
+
+        if ($yOffset !== null) {
+            $this->setTopLeftYOffset($yOffset);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the offset position within the Top Left cell for the chart.
+     *
+     * @return int[]
+     */
+    public function getTopLeftOffset()
+    {
+        return [
+            'X' => $this->topLeftXOffset,
+            'Y' => $this->topLeftYOffset,
+        ];
+    }
+
+    /**
+     * @param int $xOffset
+     *
+     * @return $this
+     */
+    public function setTopLeftXOffset($xOffset)
+    {
+        $this->topLeftXOffset = $xOffset;
+
+        return $this;
+    }
+
+    public function getTopLeftXOffset(): int
+    {
+        return $this->topLeftXOffset;
+    }
+
+    /**
+     * @param int $yOffset
+     *
+     * @return $this
+     */
+    public function setTopLeftYOffset($yOffset)
+    {
+        $this->topLeftYOffset = $yOffset;
+
+        return $this;
+    }
+
+    public function getTopLeftYOffset(): int
+    {
+        return $this->topLeftYOffset;
+    }
+
+    /**
+     * Set the Bottom Right position of the chart.
+     *
+     * @param string $cellAddress
+     * @param int $xOffset
+     * @param int $yOffset
+     *
+     * @return $this
+     */
+    public function setBottomRightPosition($cellAddress = '', $xOffset = null, $yOffset = null)
+    {
+        $this->bottomRightCellRef = $cellAddress;
+        if ($xOffset !== null) {
+            $this->setBottomRightXOffset($xOffset);
+        }
+        if ($yOffset !== null) {
+            $this->setBottomRightYOffset($yOffset);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the bottom right position of the chart.
+     *
+     * @return array an associative array containing the cell address, X-Offset and Y-Offset from the top left of that cell
+     */
+    public function getBottomRightPosition()
+    {
+        return [
+            'cell' => $this->bottomRightCellRef,
+            'xOffset' => $this->bottomRightXOffset,
+            'yOffset' => $this->bottomRightYOffset,
+        ];
+    }
+
+    /**
+     * Set the Bottom Right cell for the chart.
+     *
+     * @return $this
+     */
+    public function setBottomRightCell(string $cellAddress = '')
+    {
+        $this->bottomRightCellRef = $cellAddress;
+
+        return $this;
+    }
+
+    /**
+     * Get the cell address where the bottom right of the chart is fixed.
+     */
+    public function getBottomRightCell(): string
+    {
+        return $this->bottomRightCellRef;
+    }
+
+    /**
+     * Set the offset position within the Bottom Right cell for the chart.
+     *
+     * @param ?int $xOffset
+     * @param ?int $yOffset
+     *
+     * @return $this
+     */
+    public function setBottomRightOffset($xOffset, $yOffset)
+    {
+        if ($xOffset !== null) {
+            $this->setBottomRightXOffset($xOffset);
+        }
+
+        if ($yOffset !== null) {
+            $this->setBottomRightYOffset($yOffset);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get the offset position within the Bottom Right cell for the chart.
+     *
+     * @return int[]
+     */
+    public function getBottomRightOffset()
+    {
+        return [
+            'X' => $this->bottomRightXOffset,
+            'Y' => $this->bottomRightYOffset,
+        ];
+    }
+
+    /**
+     * @param int $xOffset
+     *
+     * @return $this
+     */
+    public function setBottomRightXOffset($xOffset)
+    {
+        $this->bottomRightXOffset = $xOffset;
+
+        return $this;
+    }
+
+    public function getBottomRightXOffset(): int
+    {
+        return $this->bottomRightXOffset;
+    }
+
+    /**
+     * @param int $yOffset
+     *
+     * @return $this
+     */
+    public function setBottomRightYOffset($yOffset)
+    {
+        $this->bottomRightYOffset = $yOffset;
+
+        return $this;
+    }
+
+    public function getBottomRightYOffset(): int
+    {
+        return $this->bottomRightYOffset;
+    }
+
+    public function refresh(): void
+    {
+        if ($this->worksheet !== null && $this->plotArea !== null) {
+            $this->plotArea->refresh($this->worksheet);
+        }
+    }
+
+    /**
+     * Render the chart to given file (or stream).
+     *
+     * @param string $outputDestination Name of the file render to
+     *
+     * @return bool true on success
+     */
+    public function render($outputDestination = null)
+    {
+        if ($outputDestination == 'php://output') {
+            $outputDestination = null;
+        }
+
+        $libraryName = Settings::getChartRenderer();
+        if ($libraryName === null) {
+            return false;
+        }
+
+        // Ensure that data series values are up-to-date before we render
+        $this->refresh();
+
+        $renderer = new $libraryName($this);
+
+        return $renderer->render($outputDestination); // @phpstan-ignore-line
+    }
+
+    public function getRotX(): ?int
+    {
+        return $this->rotX;
+    }
+
+    public function setRotX(?int $rotX): self
+    {
+        $this->rotX = $rotX;
+
+        return $this;
+    }
+
+    public function getRotY(): ?int
+    {
+        return $this->rotY;
+    }
+
+    public function setRotY(?int $rotY): self
+    {
+        $this->rotY = $rotY;
+
+        return $this;
+    }
+
+    public function getRAngAx(): ?int
+    {
+        return $this->rAngAx;
+    }
+
+    public function setRAngAx(?int $rAngAx): self
+    {
+        $this->rAngAx = $rAngAx;
+
+        return $this;
+    }
+
+    public function getPerspective(): ?int
+    {
+        return $this->perspective;
+    }
+
+    public function setPerspective(?int $perspective): self
+    {
+        $this->perspective = $perspective;
+
+        return $this;
+    }
+
+    public function getOneCellAnchor(): bool
+    {
+        return $this->oneCellAnchor;
+    }
+
+    public function setOneCellAnchor(bool $oneCellAnchor): self
+    {
+        $this->oneCellAnchor = $oneCellAnchor;
+
+        return $this;
+    }
+
+    public function getAutoTitleDeleted(): bool
+    {
+        return $this->autoTitleDeleted;
+    }
+
+    public function setAutoTitleDeleted(bool $autoTitleDeleted): self
+    {
+        $this->autoTitleDeleted = $autoTitleDeleted;
+
+        return $this;
+    }
+
+    public function getNoFill(): bool
+    {
+        return $this->noFill;
+    }
+
+    public function setNoFill(bool $noFill): self
+    {
+        $this->noFill = $noFill;
+
+        return $this;
+    }
+
+    public function getRoundedCorners(): bool
+    {
+        return $this->roundedCorners;
+    }
+
+    public function setRoundedCorners(?bool $roundedCorners): self
+    {
+        if ($roundedCorners !== null) {
+            $this->roundedCorners = $roundedCorners;
+        }
+
+        return $this;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/ChartColor.php

@@ -0,0 +1,177 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+class ChartColor
+{
+    const EXCEL_COLOR_TYPE_STANDARD = 'prstClr';
+    const EXCEL_COLOR_TYPE_SCHEME = 'schemeClr';
+    const EXCEL_COLOR_TYPE_RGB = 'srgbClr';
+    /** @deprecated 1.24 use EXCEL_COLOR_TYPE_RGB instead */
+    const EXCEL_COLOR_TYPE_ARGB = 'srgbClr';
+    const EXCEL_COLOR_TYPES = [
+        self::EXCEL_COLOR_TYPE_ARGB,
+        self::EXCEL_COLOR_TYPE_SCHEME,
+        self::EXCEL_COLOR_TYPE_STANDARD,
+    ];
+
+    /** @var string */
+    private $value = '';
+
+    /** @var string */
+    private $type = '';
+
+    /** @var ?int */
+    private $alpha;
+
+    /** @var ?int */
+    private $brightness;
+
+    /**
+     * @param string|string[] $value
+     */
+    public function __construct($value = '', ?int $alpha = null, ?string $type = null, ?int $brightness = null)
+    {
+        if (is_array($value)) {
+            $this->setColorPropertiesArray($value);
+        } else {
+            $this->setColorProperties($value, $alpha, $type, $brightness);
+        }
+    }
+
+    public function getValue(): string
+    {
+        return $this->value;
+    }
+
+    public function setValue(string $value): self
+    {
+        $this->value = $value;
+
+        return $this;
+    }
+
+    public function getType(): string
+    {
+        return $this->type;
+    }
+
+    public function setType(string $type): self
+    {
+        $this->type = $type;
+
+        return $this;
+    }
+
+    public function getAlpha(): ?int
+    {
+        return $this->alpha;
+    }
+
+    public function setAlpha(?int $alpha): self
+    {
+        $this->alpha = $alpha;
+
+        return $this;
+    }
+
+    public function getBrightness(): ?int
+    {
+        return $this->brightness;
+    }
+
+    public function setBrightness(?int $brightness): self
+    {
+        $this->brightness = $brightness;
+
+        return $this;
+    }
+
+    /**
+     * @param null|float|int|string $alpha
+     * @param null|float|int|string $brightness
+     */
+    public function setColorProperties(?string $color, $alpha = null, ?string $type = null, $brightness = null): self
+    {
+        if (empty($type) && !empty($color)) {
+            if (substr($color, 0, 1) === '*') {
+                $type = 'schemeClr';
+                $color = substr($color, 1);
+            } elseif (substr($color, 0, 1) === '/') {
+                $type = 'prstClr';
+                $color = substr($color, 1);
+            } elseif (preg_match('/^[0-9A-Fa-f]{6}$/', $color) === 1) {
+                $type = 'srgbClr';
+            }
+        }
+        if ($color !== null) {
+            $this->setValue("$color");
+        }
+        if ($type !== null) {
+            $this->setType($type);
+        }
+        if ($alpha === null) {
+            $this->setAlpha(null);
+        } elseif (is_numeric($alpha)) {
+            $this->setAlpha((int) $alpha);
+        }
+        if ($brightness === null) {
+            $this->setBrightness(null);
+        } elseif (is_numeric($brightness)) {
+            $this->setBrightness((int) $brightness);
+        }
+
+        return $this;
+    }
+
+    public function setColorPropertiesArray(array $color): self
+    {
+        return $this->setColorProperties(
+            $color['value'] ?? '',
+            $color['alpha'] ?? null,
+            $color['type'] ?? null,
+            $color['brightness'] ?? null
+        );
+    }
+
+    public function isUsable(): bool
+    {
+        return $this->type !== '' && $this->value !== '';
+    }
+
+    /**
+     * Get Color Property.
+     *
+     * @param string $propertyName
+     *
+     * @return null|int|string
+     */
+    public function getColorProperty($propertyName)
+    {
+        $retVal = null;
+        if ($propertyName === 'value') {
+            $retVal = $this->value;
+        } elseif ($propertyName === 'type') {
+            $retVal = $this->type;
+        } elseif ($propertyName === 'alpha') {
+            $retVal = $this->alpha;
+        } elseif ($propertyName === 'brightness') {
+            $retVal = $this->brightness;
+        }
+
+        return $retVal;
+    }
+
+    public static function alphaToXml(int $alpha): string
+    {
+        return (string) (100 - $alpha) . '000';
+    }
+
+    /**
+     * @param float|int|string $alpha
+     */
+    public static function alphaFromXml($alpha): int
+    {
+        return 100 - ((int) $alpha / 1000);
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/DataSeries.php

@@ -0,0 +1,419 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class DataSeries
+{
+    const TYPE_BARCHART = 'barChart';
+    const TYPE_BARCHART_3D = 'bar3DChart';
+    const TYPE_LINECHART = 'lineChart';
+    const TYPE_LINECHART_3D = 'line3DChart';
+    const TYPE_AREACHART = 'areaChart';
+    const TYPE_AREACHART_3D = 'area3DChart';
+    const TYPE_PIECHART = 'pieChart';
+    const TYPE_PIECHART_3D = 'pie3DChart';
+    const TYPE_DOUGHNUTCHART = 'doughnutChart';
+    const TYPE_DONUTCHART = self::TYPE_DOUGHNUTCHART; // Synonym
+    const TYPE_SCATTERCHART = 'scatterChart';
+    const TYPE_SURFACECHART = 'surfaceChart';
+    const TYPE_SURFACECHART_3D = 'surface3DChart';
+    const TYPE_RADARCHART = 'radarChart';
+    const TYPE_BUBBLECHART = 'bubbleChart';
+    const TYPE_STOCKCHART = 'stockChart';
+    const TYPE_CANDLECHART = self::TYPE_STOCKCHART; // Synonym
+
+    const GROUPING_CLUSTERED = 'clustered';
+    const GROUPING_STACKED = 'stacked';
+    const GROUPING_PERCENT_STACKED = 'percentStacked';
+    const GROUPING_STANDARD = 'standard';
+
+    const DIRECTION_BAR = 'bar';
+    const DIRECTION_HORIZONTAL = self::DIRECTION_BAR;
+    const DIRECTION_COL = 'col';
+    const DIRECTION_COLUMN = self::DIRECTION_COL;
+    const DIRECTION_VERTICAL = self::DIRECTION_COL;
+
+    const STYLE_LINEMARKER = 'lineMarker';
+    const STYLE_SMOOTHMARKER = 'smoothMarker';
+    const STYLE_MARKER = 'marker';
+    const STYLE_FILLED = 'filled';
+
+    const EMPTY_AS_GAP = 'gap';
+    const EMPTY_AS_ZERO = 'zero';
+    const EMPTY_AS_SPAN = 'span';
+
+    /**
+     * Series Plot Type.
+     *
+     * @var string
+     */
+    private $plotType;
+
+    /**
+     * Plot Grouping Type.
+     *
+     * @var string
+     */
+    private $plotGrouping;
+
+    /**
+     * Plot Direction.
+     *
+     * @var string
+     */
+    private $plotDirection;
+
+    /**
+     * Plot Style.
+     *
+     * @var null|string
+     */
+    private $plotStyle;
+
+    /**
+     * Order of plots in Series.
+     *
+     * @var int[]
+     */
+    private $plotOrder = [];
+
+    /**
+     * Plot Label.
+     *
+     * @var DataSeriesValues[]
+     */
+    private $plotLabel = [];
+
+    /**
+     * Plot Category.
+     *
+     * @var DataSeriesValues[]
+     */
+    private $plotCategory = [];
+
+    /**
+     * Smooth Line. Must be specified for both DataSeries and DataSeriesValues.
+     *
+     * @var bool
+     */
+    private $smoothLine;
+
+    /**
+     * Plot Values.
+     *
+     * @var DataSeriesValues[]
+     */
+    private $plotValues = [];
+
+    /**
+     * Plot Bubble Sizes.
+     *
+     * @var DataSeriesValues[]
+     */
+    private $plotBubbleSizes = [];
+
+    /**
+     * Create a new DataSeries.
+     *
+     * @param null|mixed $plotType
+     * @param null|mixed $plotGrouping
+     * @param int[] $plotOrder
+     * @param DataSeriesValues[] $plotLabel
+     * @param DataSeriesValues[] $plotCategory
+     * @param DataSeriesValues[] $plotValues
+     * @param null|string $plotDirection
+     * @param bool $smoothLine
+     * @param null|string $plotStyle
+     */
+    public function __construct($plotType = null, $plotGrouping = null, array $plotOrder = [], array $plotLabel = [], array $plotCategory = [], array $plotValues = [], $plotDirection = null, $smoothLine = false, $plotStyle = null)
+    {
+        $this->plotType = $plotType;
+        $this->plotGrouping = $plotGrouping;
+        $this->plotOrder = $plotOrder;
+        $keys = array_keys($plotValues);
+        $this->plotValues = $plotValues;
+        if (!isset($plotLabel[$keys[0]])) {
+            $plotLabel[$keys[0]] = new DataSeriesValues();
+        }
+        $this->plotLabel = $plotLabel;
+
+        if (!isset($plotCategory[$keys[0]])) {
+            $plotCategory[$keys[0]] = new DataSeriesValues();
+        }
+        $this->plotCategory = $plotCategory;
+
+        $this->smoothLine = $smoothLine;
+        $this->plotStyle = $plotStyle;
+
+        if ($plotDirection === null) {
+            $plotDirection = self::DIRECTION_COL;
+        }
+        $this->plotDirection = $plotDirection;
+    }
+
+    /**
+     * Get Plot Type.
+     *
+     * @return string
+     */
+    public function getPlotType()
+    {
+        return $this->plotType;
+    }
+
+    /**
+     * Set Plot Type.
+     *
+     * @param string $plotType
+     *
+     * @return $this
+     */
+    public function setPlotType($plotType)
+    {
+        $this->plotType = $plotType;
+
+        return $this;
+    }
+
+    /**
+     * Get Plot Grouping Type.
+     *
+     * @return string
+     */
+    public function getPlotGrouping()
+    {
+        return $this->plotGrouping;
+    }
+
+    /**
+     * Set Plot Grouping Type.
+     *
+     * @param string $groupingType
+     *
+     * @return $this
+     */
+    public function setPlotGrouping($groupingType)
+    {
+        $this->plotGrouping = $groupingType;
+
+        return $this;
+    }
+
+    /**
+     * Get Plot Direction.
+     *
+     * @return string
+     */
+    public function getPlotDirection()
+    {
+        return $this->plotDirection;
+    }
+
+    /**
+     * Set Plot Direction.
+     *
+     * @param string $plotDirection
+     *
+     * @return $this
+     */
+    public function setPlotDirection($plotDirection)
+    {
+        $this->plotDirection = $plotDirection;
+
+        return $this;
+    }
+
+    /**
+     * Get Plot Order.
+     *
+     * @return int[]
+     */
+    public function getPlotOrder()
+    {
+        return $this->plotOrder;
+    }
+
+    /**
+     * Get Plot Labels.
+     *
+     * @return DataSeriesValues[]
+     */
+    public function getPlotLabels()
+    {
+        return $this->plotLabel;
+    }
+
+    /**
+     * Get Plot Label by Index.
+     *
+     * @param mixed $index
+     *
+     * @return DataSeriesValues|false
+     */
+    public function getPlotLabelByIndex($index)
+    {
+        $keys = array_keys($this->plotLabel);
+        if (in_array($index, $keys)) {
+            return $this->plotLabel[$index];
+        }
+
+        return false;
+    }
+
+    /**
+     * Get Plot Categories.
+     *
+     * @return DataSeriesValues[]
+     */
+    public function getPlotCategories()
+    {
+        return $this->plotCategory;
+    }
+
+    /**
+     * Get Plot Category by Index.
+     *
+     * @param mixed $index
+     *
+     * @return DataSeriesValues|false
+     */
+    public function getPlotCategoryByIndex($index)
+    {
+        $keys = array_keys($this->plotCategory);
+        if (in_array($index, $keys)) {
+            return $this->plotCategory[$index];
+        } elseif (isset($keys[$index])) {
+            return $this->plotCategory[$keys[$index]];
+        }
+
+        return false;
+    }
+
+    /**
+     * Get Plot Style.
+     *
+     * @return null|string
+     */
+    public function getPlotStyle()
+    {
+        return $this->plotStyle;
+    }
+
+    /**
+     * Set Plot Style.
+     *
+     * @param null|string $plotStyle
+     *
+     * @return $this
+     */
+    public function setPlotStyle($plotStyle)
+    {
+        $this->plotStyle = $plotStyle;
+
+        return $this;
+    }
+
+    /**
+     * Get Plot Values.
+     *
+     * @return DataSeriesValues[]
+     */
+    public function getPlotValues()
+    {
+        return $this->plotValues;
+    }
+
+    /**
+     * Get Plot Values by Index.
+     *
+     * @param mixed $index
+     *
+     * @return DataSeriesValues|false
+     */
+    public function getPlotValuesByIndex($index)
+    {
+        $keys = array_keys($this->plotValues);
+        if (in_array($index, $keys)) {
+            return $this->plotValues[$index];
+        }
+
+        return false;
+    }
+
+    /**
+     * Get Plot Bubble Sizes.
+     *
+     * @return DataSeriesValues[]
+     */
+    public function getPlotBubbleSizes(): array
+    {
+        return $this->plotBubbleSizes;
+    }
+
+    /**
+     * Set Plot Bubble Sizes.
+     *
+     * @param DataSeriesValues[] $plotBubbleSizes
+     */
+    public function setPlotBubbleSizes(array $plotBubbleSizes): self
+    {
+        $this->plotBubbleSizes = $plotBubbleSizes;
+
+        return $this;
+    }
+
+    /**
+     * Get Number of Plot Series.
+     *
+     * @return int
+     */
+    public function getPlotSeriesCount()
+    {
+        return count($this->plotValues);
+    }
+
+    /**
+     * Get Smooth Line.
+     *
+     * @return bool
+     */
+    public function getSmoothLine()
+    {
+        return $this->smoothLine;
+    }
+
+    /**
+     * Set Smooth Line.
+     *
+     * @param bool $smoothLine
+     *
+     * @return $this
+     */
+    public function setSmoothLine($smoothLine)
+    {
+        $this->smoothLine = $smoothLine;
+
+        return $this;
+    }
+
+    public function refresh(Worksheet $worksheet): void
+    {
+        foreach ($this->plotValues as $plotValues) {
+            if ($plotValues !== null) {
+                $plotValues->refresh($worksheet, true);
+            }
+        }
+        foreach ($this->plotLabel as $plotValues) {
+            if ($plotValues !== null) {
+                $plotValues->refresh($worksheet, true);
+            }
+        }
+        foreach ($this->plotCategory as $plotValues) {
+            if ($plotValues !== null) {
+                $plotValues->refresh($worksheet, false);
+            }
+        }
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/DataSeriesValues.php

@@ -0,0 +1,595 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
+use PhpOffice\PhpSpreadsheet\Calculation\Functions;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class DataSeriesValues extends Properties
+{
+    const DATASERIES_TYPE_STRING = 'String';
+    const DATASERIES_TYPE_NUMBER = 'Number';
+
+    private const DATA_TYPE_VALUES = [
+        self::DATASERIES_TYPE_STRING,
+        self::DATASERIES_TYPE_NUMBER,
+    ];
+
+    /**
+     * Series Data Type.
+     *
+     * @var string
+     */
+    private $dataType;
+
+    /**
+     * Series Data Source.
+     *
+     * @var ?string
+     */
+    private $dataSource;
+
+    /**
+     * Format Code.
+     *
+     * @var string
+     */
+    private $formatCode;
+
+    /**
+     * Series Point Marker.
+     *
+     * @var string
+     */
+    private $pointMarker;
+
+    /** @var ChartColor */
+    private $markerFillColor;
+
+    /** @var ChartColor */
+    private $markerBorderColor;
+
+    /**
+     * Series Point Size.
+     *
+     * @var int
+     */
+    private $pointSize = 3;
+
+    /**
+     * Point Count (The number of datapoints in the dataseries).
+     *
+     * @var int
+     */
+    private $pointCount = 0;
+
+    /**
+     * Data Values.
+     *
+     * @var mixed[]
+     */
+    private $dataValues = [];
+
+    /**
+     * Fill color (can be array with colors if dataseries have custom colors).
+     *
+     * @var null|ChartColor|ChartColor[]
+     */
+    private $fillColor;
+
+    /** @var bool */
+    private $scatterLines = true;
+
+    /** @var bool */
+    private $bubble3D = false;
+
+    /** @var ?Layout */
+    private $labelLayout;
+
+    /** @var TrendLine[] */
+    private $trendLines = [];
+
+    /**
+     * Create a new DataSeriesValues object.
+     *
+     * @param string $dataType
+     * @param string $dataSource
+     * @param null|mixed $formatCode
+     * @param int $pointCount
+     * @param mixed $dataValues
+     * @param null|mixed $marker
+     * @param null|ChartColor|ChartColor[]|string|string[] $fillColor
+     * @param string $pointSize
+     */
+    public function __construct($dataType = self::DATASERIES_TYPE_NUMBER, $dataSource = null, $formatCode = null, $pointCount = 0, $dataValues = [], $marker = null, $fillColor = null, $pointSize = '3')
+    {
+        parent::__construct();
+        $this->markerFillColor = new ChartColor();
+        $this->markerBorderColor = new ChartColor();
+        $this->setDataType($dataType);
+        $this->dataSource = $dataSource;
+        $this->formatCode = $formatCode;
+        $this->pointCount = $pointCount;
+        $this->dataValues = $dataValues;
+        $this->pointMarker = $marker;
+        if ($fillColor !== null) {
+            $this->setFillColor($fillColor);
+        }
+        if (is_numeric($pointSize)) {
+            $this->pointSize = (int) $pointSize;
+        }
+    }
+
+    /**
+     * Get Series Data Type.
+     *
+     * @return string
+     */
+    public function getDataType()
+    {
+        return $this->dataType;
+    }
+
+    /**
+     * Set Series Data Type.
+     *
+     * @param string $dataType Datatype of this data series
+     *                                Typical values are:
+     *                                    DataSeriesValues::DATASERIES_TYPE_STRING
+     *                                        Normally used for axis point values
+     *                                    DataSeriesValues::DATASERIES_TYPE_NUMBER
+     *                                        Normally used for chart data values
+     *
+     * @return $this
+     */
+    public function setDataType($dataType)
+    {
+        if (!in_array($dataType, self::DATA_TYPE_VALUES)) {
+            throw new Exception('Invalid datatype for chart data series values');
+        }
+        $this->dataType = $dataType;
+
+        return $this;
+    }
+
+    /**
+     * Get Series Data Source (formula).
+     *
+     * @return ?string
+     */
+    public function getDataSource()
+    {
+        return $this->dataSource;
+    }
+
+    /**
+     * Set Series Data Source (formula).
+     *
+     * @param ?string $dataSource
+     *
+     * @return $this
+     */
+    public function setDataSource($dataSource)
+    {
+        $this->dataSource = $dataSource;
+
+        return $this;
+    }
+
+    /**
+     * Get Point Marker.
+     *
+     * @return string
+     */
+    public function getPointMarker()
+    {
+        return $this->pointMarker;
+    }
+
+    /**
+     * Set Point Marker.
+     *
+     * @param string $marker
+     *
+     * @return $this
+     */
+    public function setPointMarker($marker)
+    {
+        $this->pointMarker = $marker;
+
+        return $this;
+    }
+
+    public function getMarkerFillColor(): ChartColor
+    {
+        return $this->markerFillColor;
+    }
+
+    public function getMarkerBorderColor(): ChartColor
+    {
+        return $this->markerBorderColor;
+    }
+
+    /**
+     * Get Point Size.
+     */
+    public function getPointSize(): int
+    {
+        return $this->pointSize;
+    }
+
+    /**
+     * Set Point Size.
+     *
+     * @return $this
+     */
+    public function setPointSize(int $size = 3)
+    {
+        $this->pointSize = $size;
+
+        return $this;
+    }
+
+    /**
+     * Get Series Format Code.
+     *
+     * @return string
+     */
+    public function getFormatCode()
+    {
+        return $this->formatCode;
+    }
+
+    /**
+     * Set Series Format Code.
+     *
+     * @param string $formatCode
+     *
+     * @return $this
+     */
+    public function setFormatCode($formatCode)
+    {
+        $this->formatCode = $formatCode;
+
+        return $this;
+    }
+
+    /**
+     * Get Series Point Count.
+     *
+     * @return int
+     */
+    public function getPointCount()
+    {
+        return $this->pointCount;
+    }
+
+    /**
+     * Get fill color object.
+     *
+     * @return null|ChartColor|ChartColor[]
+     */
+    public function getFillColorObject()
+    {
+        return $this->fillColor;
+    }
+
+    private function stringToChartColor(string $fillString): ChartColor
+    {
+        $value = $type = '';
+        if (substr($fillString, 0, 1) === '*') {
+            $type = 'schemeClr';
+            $value = substr($fillString, 1);
+        } elseif (substr($fillString, 0, 1) === '/') {
+            $type = 'prstClr';
+            $value = substr($fillString, 1);
+        } elseif ($fillString !== '') {
+            $type = 'srgbClr';
+            $value = $fillString;
+            $this->validateColor($value);
+        }
+
+        return new ChartColor($value, null, $type);
+    }
+
+    private function chartColorToString(ChartColor $chartColor): string
+    {
+        $type = (string) $chartColor->getColorProperty('type');
+        $value = (string) $chartColor->getColorProperty('value');
+        if ($type === '' || $value === '') {
+            return '';
+        }
+        if ($type === 'schemeClr') {
+            return "*$value";
+        }
+        if ($type === 'prstClr') {
+            return "/$value";
+        }
+
+        return $value;
+    }
+
+    /**
+     * Get fill color.
+     *
+     * @return string|string[] HEX color or array with HEX colors
+     */
+    public function getFillColor()
+    {
+        if ($this->fillColor === null) {
+            return '';
+        }
+        if (is_array($this->fillColor)) {
+            $array = [];
+            foreach ($this->fillColor as $chartColor) {
+                $array[] = $this->chartColorToString($chartColor);
+            }
+
+            return $array;
+        }
+
+        return $this->chartColorToString($this->fillColor);
+    }
+
+    /**
+     * Set fill color for series.
+     *
+     * @param ChartColor|ChartColor[]|string|string[] $color HEX color or array with HEX colors
+     *
+     * @return   DataSeriesValues
+     */
+    public function setFillColor($color)
+    {
+        if (is_array($color)) {
+            $this->fillColor = [];
+            foreach ($color as $fillString) {
+                if ($fillString instanceof ChartColor) {
+                    $this->fillColor[] = $fillString;
+                } else {
+                    $this->fillColor[] = $this->stringToChartColor($fillString);
+                }
+            }
+        } elseif ($color instanceof ChartColor) {
+            $this->fillColor = $color;
+        } else {
+            $this->fillColor = $this->stringToChartColor($color);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Method for validating hex color.
+     *
+     * @param string $color value for color
+     *
+     * @return bool true if validation was successful
+     */
+    private function validateColor($color)
+    {
+        if (!preg_match('/^[a-f0-9]{6}$/i', $color)) {
+            throw new Exception(sprintf('Invalid hex color for chart series (color: "%s")', $color));
+        }
+
+        return true;
+    }
+
+    /**
+     * Get line width for series.
+     *
+     * @return null|float|int
+     */
+    public function getLineWidth()
+    {
+        return $this->lineStyleProperties['width'];
+    }
+
+    /**
+     * Set line width for the series.
+     *
+     * @param null|float|int $width
+     *
+     * @return $this
+     */
+    public function setLineWidth($width)
+    {
+        $this->lineStyleProperties['width'] = $width;
+
+        return $this;
+    }
+
+    /**
+     * Identify if the Data Series is a multi-level or a simple series.
+     *
+     * @return null|bool
+     */
+    public function isMultiLevelSeries()
+    {
+        if (!empty($this->dataValues)) {
+            return is_array(array_values($this->dataValues)[0]);
+        }
+
+        return null;
+    }
+
+    /**
+     * Return the level count of a multi-level Data Series.
+     *
+     * @return int
+     */
+    public function multiLevelCount()
+    {
+        $levelCount = 0;
+        foreach ($this->dataValues as $dataValueSet) {
+            $levelCount = max($levelCount, count($dataValueSet));
+        }
+
+        return $levelCount;
+    }
+
+    /**
+     * Get Series Data Values.
+     *
+     * @return mixed[]
+     */
+    public function getDataValues()
+    {
+        return $this->dataValues;
+    }
+
+    /**
+     * Get the first Series Data value.
+     *
+     * @return mixed
+     */
+    public function getDataValue()
+    {
+        $count = count($this->dataValues);
+        if ($count == 0) {
+            return null;
+        } elseif ($count == 1) {
+            return $this->dataValues[0];
+        }
+
+        return $this->dataValues;
+    }
+
+    /**
+     * Set Series Data Values.
+     *
+     * @param array $dataValues
+     *
+     * @return $this
+     */
+    public function setDataValues($dataValues)
+    {
+        $this->dataValues = Functions::flattenArray($dataValues);
+        $this->pointCount = count($dataValues);
+
+        return $this;
+    }
+
+    public function refresh(Worksheet $worksheet, bool $flatten = true): void
+    {
+        if ($this->dataSource !== null) {
+            $calcEngine = Calculation::getInstance($worksheet->getParent());
+            $newDataValues = Calculation::unwrapResult(
+                $calcEngine->_calculateFormulaValue(
+                    '=' . $this->dataSource,
+                    null,
+                    $worksheet->getCell('A1')
+                )
+            );
+            if ($flatten) {
+                $this->dataValues = Functions::flattenArray($newDataValues);
+                foreach ($this->dataValues as &$dataValue) {
+                    if (is_string($dataValue) && !empty($dataValue) && $dataValue[0] == '#') {
+                        $dataValue = 0.0;
+                    }
+                }
+                unset($dataValue);
+            } else {
+                [$worksheet, $cellRange] = Worksheet::extractSheetTitle($this->dataSource, true);
+                $dimensions = Coordinate::rangeDimension(str_replace('$', '', $cellRange));
+                if (($dimensions[0] == 1) || ($dimensions[1] == 1)) {
+                    $this->dataValues = Functions::flattenArray($newDataValues);
+                } else {
+                    $newArray = array_values(array_shift(/** @scrutinizer ignore-type */ $newDataValues));
+                    foreach ($newArray as $i => $newDataSet) {
+                        $newArray[$i] = [$newDataSet];
+                    }
+
+                    foreach ($newDataValues as $newDataSet) {
+                        $i = 0;
+                        foreach ($newDataSet as $newDataVal) {
+                            array_unshift($newArray[$i++], $newDataVal);
+                        }
+                    }
+                    $this->dataValues = $newArray;
+                }
+            }
+            $this->pointCount = count($this->dataValues);
+        }
+    }
+
+    public function getScatterLines(): bool
+    {
+        return $this->scatterLines;
+    }
+
+    public function setScatterLines(bool $scatterLines): self
+    {
+        $this->scatterLines = $scatterLines;
+
+        return $this;
+    }
+
+    public function getBubble3D(): bool
+    {
+        return $this->bubble3D;
+    }
+
+    public function setBubble3D(bool $bubble3D): self
+    {
+        $this->bubble3D = $bubble3D;
+
+        return $this;
+    }
+
+    /**
+     * Smooth Line. Must be specified for both DataSeries and DataSeriesValues.
+     *
+     * @var bool
+     */
+    private $smoothLine;
+
+    /**
+     * Get Smooth Line.
+     *
+     * @return bool
+     */
+    public function getSmoothLine()
+    {
+        return $this->smoothLine;
+    }
+
+    /**
+     * Set Smooth Line.
+     *
+     * @param bool $smoothLine
+     *
+     * @return $this
+     */
+    public function setSmoothLine($smoothLine)
+    {
+        $this->smoothLine = $smoothLine;
+
+        return $this;
+    }
+
+    public function getLabelLayout(): ?Layout
+    {
+        return $this->labelLayout;
+    }
+
+    public function setLabelLayout(?Layout $labelLayout): self
+    {
+        $this->labelLayout = $labelLayout;
+
+        return $this;
+    }
+
+    public function setTrendLines(array $trendLines): self
+    {
+        $this->trendLines = $trendLines;
+
+        return $this;
+    }
+
+    public function getTrendLines(): array
+    {
+        return $this->trendLines;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Exception.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
+
+class Exception extends PhpSpreadsheetException
+{
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/GridLines.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+/**
+ * Created by PhpStorm.
+ * User: Wiktor Trzonkowski
+ * Date: 7/2/14
+ * Time: 2:36 PM.
+ */
+class GridLines extends Properties
+{
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Layout.php

@@ -0,0 +1,543 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+class Layout
+{
+    /**
+     * layoutTarget.
+     *
+     * @var ?string
+     */
+    private $layoutTarget;
+
+    /**
+     * X Mode.
+     *
+     * @var ?string
+     */
+    private $xMode;
+
+    /**
+     * Y Mode.
+     *
+     * @var ?string
+     */
+    private $yMode;
+
+    /**
+     * X-Position.
+     *
+     * @var ?float
+     */
+    private $xPos;
+
+    /**
+     * Y-Position.
+     *
+     * @var ?float
+     */
+    private $yPos;
+
+    /**
+     * width.
+     *
+     * @var ?float
+     */
+    private $width;
+
+    /**
+     * height.
+     *
+     * @var ?float
+     */
+    private $height;
+
+    /**
+     * Position - t=top.
+     *
+     * @var string
+     */
+    private $dLblPos = '';
+
+    /** @var string */
+    private $numFmtCode = '';
+
+    /** @var bool */
+    private $numFmtLinked = false;
+
+    /**
+     * show legend key
+     * Specifies that legend keys should be shown in data labels.
+     *
+     * @var ?bool
+     */
+    private $showLegendKey;
+
+    /**
+     * show value
+     * Specifies that the value should be shown in a data label.
+     *
+     * @var ?bool
+     */
+    private $showVal;
+
+    /**
+     * show category name
+     * Specifies that the category name should be shown in the data label.
+     *
+     * @var ?bool
+     */
+    private $showCatName;
+
+    /**
+     * show data series name
+     * Specifies that the series name should be shown in the data label.
+     *
+     * @var ?bool
+     */
+    private $showSerName;
+
+    /**
+     * show percentage
+     * Specifies that the percentage should be shown in the data label.
+     *
+     * @var ?bool
+     */
+    private $showPercent;
+
+    /**
+     * show bubble size.
+     *
+     * @var ?bool
+     */
+    private $showBubbleSize;
+
+    /**
+     * show leader lines
+     * Specifies that leader lines should be shown for the data label.
+     *
+     * @var ?bool
+     */
+    private $showLeaderLines;
+
+    /** @var ?ChartColor */
+    private $labelFillColor;
+
+    /** @var ?ChartColor */
+    private $labelBorderColor;
+
+    /** @var ?ChartColor */
+    private $labelFontColor;
+
+    /**
+     * Create a new Layout.
+     */
+    public function __construct(array $layout = [])
+    {
+        if (isset($layout['layoutTarget'])) {
+            $this->layoutTarget = $layout['layoutTarget'];
+        }
+        if (isset($layout['xMode'])) {
+            $this->xMode = $layout['xMode'];
+        }
+        if (isset($layout['yMode'])) {
+            $this->yMode = $layout['yMode'];
+        }
+        if (isset($layout['x'])) {
+            $this->xPos = (float) $layout['x'];
+        }
+        if (isset($layout['y'])) {
+            $this->yPos = (float) $layout['y'];
+        }
+        if (isset($layout['w'])) {
+            $this->width = (float) $layout['w'];
+        }
+        if (isset($layout['h'])) {
+            $this->height = (float) $layout['h'];
+        }
+        if (isset($layout['dLblPos'])) {
+            $this->dLblPos = (string) $layout['dLblPos'];
+        }
+        if (isset($layout['numFmtCode'])) {
+            $this->numFmtCode = (string) $layout['numFmtCode'];
+        }
+        $this->initBoolean($layout, 'showLegendKey');
+        $this->initBoolean($layout, 'showVal');
+        $this->initBoolean($layout, 'showCatName');
+        $this->initBoolean($layout, 'showSerName');
+        $this->initBoolean($layout, 'showPercent');
+        $this->initBoolean($layout, 'showBubbleSize');
+        $this->initBoolean($layout, 'showLeaderLines');
+        $this->initBoolean($layout, 'numFmtLinked');
+        $this->initColor($layout, 'labelFillColor');
+        $this->initColor($layout, 'labelBorderColor');
+        $this->initColor($layout, 'labelFontColor');
+    }
+
+    private function initBoolean(array $layout, string $name): void
+    {
+        if (isset($layout[$name])) {
+            $this->$name = (bool) $layout[$name];
+        }
+    }
+
+    private function initColor(array $layout, string $name): void
+    {
+        if (isset($layout[$name]) && $layout[$name] instanceof ChartColor) {
+            $this->$name = $layout[$name];
+        }
+    }
+
+    /**
+     * Get Layout Target.
+     *
+     * @return ?string
+     */
+    public function getLayoutTarget()
+    {
+        return $this->layoutTarget;
+    }
+
+    /**
+     * Set Layout Target.
+     *
+     * @param ?string $target
+     *
+     * @return $this
+     */
+    public function setLayoutTarget($target)
+    {
+        $this->layoutTarget = $target;
+
+        return $this;
+    }
+
+    /**
+     * Get X-Mode.
+     *
+     * @return ?string
+     */
+    public function getXMode()
+    {
+        return $this->xMode;
+    }
+
+    /**
+     * Set X-Mode.
+     *
+     * @param ?string $mode
+     *
+     * @return $this
+     */
+    public function setXMode($mode)
+    {
+        $this->xMode = (string) $mode;
+
+        return $this;
+    }
+
+    /**
+     * Get Y-Mode.
+     *
+     * @return ?string
+     */
+    public function getYMode()
+    {
+        return $this->yMode;
+    }
+
+    /**
+     * Set Y-Mode.
+     *
+     * @param ?string $mode
+     *
+     * @return $this
+     */
+    public function setYMode($mode)
+    {
+        $this->yMode = (string) $mode;
+
+        return $this;
+    }
+
+    /**
+     * Get X-Position.
+     *
+     * @return null|float|int
+     */
+    public function getXPosition()
+    {
+        return $this->xPos;
+    }
+
+    /**
+     * Set X-Position.
+     *
+     * @param ?float $position
+     *
+     * @return $this
+     */
+    public function setXPosition($position)
+    {
+        $this->xPos = (float) $position;
+
+        return $this;
+    }
+
+    /**
+     * Get Y-Position.
+     *
+     * @return null|float
+     */
+    public function getYPosition()
+    {
+        return $this->yPos;
+    }
+
+    /**
+     * Set Y-Position.
+     *
+     * @param ?float $position
+     *
+     * @return $this
+     */
+    public function setYPosition($position)
+    {
+        $this->yPos = (float) $position;
+
+        return $this;
+    }
+
+    /**
+     * Get Width.
+     *
+     * @return ?float
+     */
+    public function getWidth()
+    {
+        return $this->width;
+    }
+
+    /**
+     * Set Width.
+     *
+     * @param ?float $width
+     *
+     * @return $this
+     */
+    public function setWidth($width)
+    {
+        $this->width = $width;
+
+        return $this;
+    }
+
+    /**
+     * Get Height.
+     *
+     * @return null|float
+     */
+    public function getHeight()
+    {
+        return $this->height;
+    }
+
+    /**
+     * Set Height.
+     *
+     * @param ?float $height
+     *
+     * @return $this
+     */
+    public function setHeight($height)
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
+    public function getShowLegendKey(): ?bool
+    {
+        return $this->showLegendKey;
+    }
+
+    /**
+     * Set show legend key
+     * Specifies that legend keys should be shown in data labels.
+     */
+    public function setShowLegendKey(?bool $showLegendKey): self
+    {
+        $this->showLegendKey = $showLegendKey;
+
+        return $this;
+    }
+
+    public function getShowVal(): ?bool
+    {
+        return $this->showVal;
+    }
+
+    /**
+     * Set show val
+     * Specifies that the value should be shown in data labels.
+     */
+    public function setShowVal(?bool $showDataLabelValues): self
+    {
+        $this->showVal = $showDataLabelValues;
+
+        return $this;
+    }
+
+    public function getShowCatName(): ?bool
+    {
+        return $this->showCatName;
+    }
+
+    /**
+     * Set show cat name
+     * Specifies that the category name should be shown in data labels.
+     */
+    public function setShowCatName(?bool $showCategoryName): self
+    {
+        $this->showCatName = $showCategoryName;
+
+        return $this;
+    }
+
+    public function getShowSerName(): ?bool
+    {
+        return $this->showSerName;
+    }
+
+    /**
+     * Set show data series name.
+     * Specifies that the series name should be shown in data labels.
+     */
+    public function setShowSerName(?bool $showSeriesName): self
+    {
+        $this->showSerName = $showSeriesName;
+
+        return $this;
+    }
+
+    public function getShowPercent(): ?bool
+    {
+        return $this->showPercent;
+    }
+
+    /**
+     * Set show percentage.
+     * Specifies that the percentage should be shown in data labels.
+     */
+    public function setShowPercent(?bool $showPercentage): self
+    {
+        $this->showPercent = $showPercentage;
+
+        return $this;
+    }
+
+    public function getShowBubbleSize(): ?bool
+    {
+        return $this->showBubbleSize;
+    }
+
+    /**
+     * Set show bubble size.
+     * Specifies that the bubble size should be shown in data labels.
+     */
+    public function setShowBubbleSize(?bool $showBubbleSize): self
+    {
+        $this->showBubbleSize = $showBubbleSize;
+
+        return $this;
+    }
+
+    public function getShowLeaderLines(): ?bool
+    {
+        return $this->showLeaderLines;
+    }
+
+    /**
+     * Set show leader lines.
+     * Specifies that leader lines should be shown in data labels.
+     */
+    public function setShowLeaderLines(?bool $showLeaderLines): self
+    {
+        $this->showLeaderLines = $showLeaderLines;
+
+        return $this;
+    }
+
+    public function getLabelFillColor(): ?ChartColor
+    {
+        return $this->labelFillColor;
+    }
+
+    public function setLabelFillColor(?ChartColor $chartColor): self
+    {
+        $this->labelFillColor = $chartColor;
+
+        return $this;
+    }
+
+    public function getLabelBorderColor(): ?ChartColor
+    {
+        return $this->labelBorderColor;
+    }
+
+    public function setLabelBorderColor(?ChartColor $chartColor): self
+    {
+        $this->labelBorderColor = $chartColor;
+
+        return $this;
+    }
+
+    public function getLabelFontColor(): ?ChartColor
+    {
+        return $this->labelFontColor;
+    }
+
+    public function setLabelFontColor(?ChartColor $chartColor): self
+    {
+        $this->labelFontColor = $chartColor;
+
+        return $this;
+    }
+
+    public function getDLblPos(): string
+    {
+        return $this->dLblPos;
+    }
+
+    public function setDLblPos(string $dLblPos): self
+    {
+        $this->dLblPos = $dLblPos;
+
+        return $this;
+    }
+
+    public function getNumFmtCode(): string
+    {
+        return $this->numFmtCode;
+    }
+
+    public function setNumFmtCode(string $numFmtCode): self
+    {
+        $this->numFmtCode = $numFmtCode;
+
+        return $this;
+    }
+
+    public function getNumFmtLinked(): bool
+    {
+        return $this->numFmtLinked;
+    }
+
+    public function setNumFmtLinked(bool $numFmtLinked): self
+    {
+        $this->numFmtLinked = $numFmtLinked;
+
+        return $this;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Legend.php

@@ -0,0 +1,150 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+class Legend
+{
+    /** Legend positions */
+    const XL_LEGEND_POSITION_BOTTOM = -4107; //    Below the chart.
+    const XL_LEGEND_POSITION_CORNER = 2; //    In the upper right-hand corner of the chart border.
+    const XL_LEGEND_POSITION_CUSTOM = -4161; //    A custom position.
+    const XL_LEGEND_POSITION_LEFT = -4131; //    Left of the chart.
+    const XL_LEGEND_POSITION_RIGHT = -4152; //    Right of the chart.
+    const XL_LEGEND_POSITION_TOP = -4160; //    Above the chart.
+
+    const POSITION_RIGHT = 'r';
+    const POSITION_LEFT = 'l';
+    const POSITION_BOTTOM = 'b';
+    const POSITION_TOP = 't';
+    const POSITION_TOPRIGHT = 'tr';
+
+    const POSITION_XLREF = [
+        self::XL_LEGEND_POSITION_BOTTOM => self::POSITION_BOTTOM,
+        self::XL_LEGEND_POSITION_CORNER => self::POSITION_TOPRIGHT,
+        self::XL_LEGEND_POSITION_CUSTOM => '??',
+        self::XL_LEGEND_POSITION_LEFT => self::POSITION_LEFT,
+        self::XL_LEGEND_POSITION_RIGHT => self::POSITION_RIGHT,
+        self::XL_LEGEND_POSITION_TOP => self::POSITION_TOP,
+    ];
+
+    /**
+     * Legend position.
+     *
+     * @var string
+     */
+    private $position = self::POSITION_RIGHT;
+
+    /**
+     * Allow overlay of other elements?
+     *
+     * @var bool
+     */
+    private $overlay = true;
+
+    /**
+     * Legend Layout.
+     *
+     * @var ?Layout
+     */
+    private $layout;
+
+    /**
+     * Create a new Legend.
+     *
+     * @param string $position
+     * @param bool $overlay
+     */
+    public function __construct($position = self::POSITION_RIGHT, ?Layout $layout = null, $overlay = false)
+    {
+        $this->setPosition($position);
+        $this->layout = $layout;
+        $this->setOverlay($overlay);
+    }
+
+    /**
+     * Get legend position as an excel string value.
+     *
+     * @return string
+     */
+    public function getPosition()
+    {
+        return $this->position;
+    }
+
+    /**
+     * Get legend position using an excel string value.
+     *
+     * @param string $position see self::POSITION_*
+     *
+     * @return bool
+     */
+    public function setPosition($position)
+    {
+        if (!in_array($position, self::POSITION_XLREF)) {
+            return false;
+        }
+
+        $this->position = $position;
+
+        return true;
+    }
+
+    /**
+     * Get legend position as an Excel internal numeric value.
+     *
+     * @return false|int
+     */
+    public function getPositionXL()
+    {
+        // Scrutinizer thinks the following could return string. It is wrong.
+        return array_search($this->position, self::POSITION_XLREF);
+    }
+
+    /**
+     * Set legend position using an Excel internal numeric value.
+     *
+     * @param int $positionXL see self::XL_LEGEND_POSITION_*
+     *
+     * @return bool
+     */
+    public function setPositionXL($positionXL)
+    {
+        if (!isset(self::POSITION_XLREF[$positionXL])) {
+            return false;
+        }
+
+        $this->position = self::POSITION_XLREF[$positionXL];
+
+        return true;
+    }
+
+    /**
+     * Get allow overlay of other elements?
+     *
+     * @return bool
+     */
+    public function getOverlay()
+    {
+        return $this->overlay;
+    }
+
+    /**
+     * Set allow overlay of other elements?
+     *
+     * @param bool $overlay
+     */
+    public function setOverlay($overlay): void
+    {
+        $this->overlay = $overlay;
+    }
+
+    /**
+     * Get Layout.
+     *
+     * @return ?Layout
+     */
+    public function getLayout()
+    {
+        return $this->layout;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/PlotArea.php

@@ -0,0 +1,166 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class PlotArea
+{
+    /**
+     * No fill in plot area (show Excel gridlines through chart).
+     *
+     * @var bool
+     */
+    private $noFill = false;
+
+    /**
+     * PlotArea Gradient Stop list.
+     * Each entry is a 2-element array.
+     *     First is position in %.
+     *     Second is ChartColor.
+     *
+     * @var array[]
+     */
+    private $gradientFillStops = [];
+
+    /**
+     * PlotArea Gradient Angle.
+     *
+     * @var ?float
+     */
+    private $gradientFillAngle;
+
+    /**
+     * PlotArea Layout.
+     *
+     * @var ?Layout
+     */
+    private $layout;
+
+    /**
+     * Plot Series.
+     *
+     * @var DataSeries[]
+     */
+    private $plotSeries = [];
+
+    /**
+     * Create a new PlotArea.
+     *
+     * @param DataSeries[] $plotSeries
+     */
+    public function __construct(?Layout $layout = null, array $plotSeries = [])
+    {
+        $this->layout = $layout;
+        $this->plotSeries = $plotSeries;
+    }
+
+    public function getLayout(): ?Layout
+    {
+        return $this->layout;
+    }
+
+    /**
+     * Get Number of Plot Groups.
+     */
+    public function getPlotGroupCount(): int
+    {
+        return count($this->plotSeries);
+    }
+
+    /**
+     * Get Number of Plot Series.
+     *
+     * @return int
+     */
+    public function getPlotSeriesCount()
+    {
+        $seriesCount = 0;
+        foreach ($this->plotSeries as $plot) {
+            $seriesCount += $plot->getPlotSeriesCount();
+        }
+
+        return $seriesCount;
+    }
+
+    /**
+     * Get Plot Series.
+     *
+     * @return DataSeries[]
+     */
+    public function getPlotGroup()
+    {
+        return $this->plotSeries;
+    }
+
+    /**
+     * Get Plot Series by Index.
+     *
+     * @param mixed $index
+     *
+     * @return DataSeries
+     */
+    public function getPlotGroupByIndex($index)
+    {
+        return $this->plotSeries[$index];
+    }
+
+    /**
+     * Set Plot Series.
+     *
+     * @param DataSeries[] $plotSeries
+     *
+     * @return $this
+     */
+    public function setPlotSeries(array $plotSeries)
+    {
+        $this->plotSeries = $plotSeries;
+
+        return $this;
+    }
+
+    public function refresh(Worksheet $worksheet): void
+    {
+        foreach ($this->plotSeries as $plotSeries) {
+            $plotSeries->refresh($worksheet);
+        }
+    }
+
+    public function setNoFill(bool $noFill): self
+    {
+        $this->noFill = $noFill;
+
+        return $this;
+    }
+
+    public function getNoFill(): bool
+    {
+        return $this->noFill;
+    }
+
+    public function setGradientFillProperties(array $gradientFillStops, ?float $gradientFillAngle): self
+    {
+        $this->gradientFillStops = $gradientFillStops;
+        $this->gradientFillAngle = $gradientFillAngle;
+
+        return $this;
+    }
+
+    /**
+     * Get gradientFillAngle.
+     */
+    public function getGradientFillAngle(): ?float
+    {
+        return $this->gradientFillAngle;
+    }
+
+    /**
+     * Get gradientFillStops.
+     *
+     * @return array
+     */
+    public function getGradientFillStops()
+    {
+        return $this->gradientFillStops;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Properties.php

@@ -0,0 +1,985 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+/**
+ * Created by PhpStorm.
+ * User: nhw2h8s
+ * Date: 7/2/14
+ * Time: 5:45 PM.
+ */
+abstract class Properties
+{
+    /** @deprecated 1.24 use constant from ChartColor instead */
+    const EXCEL_COLOR_TYPE_STANDARD = ChartColor::EXCEL_COLOR_TYPE_STANDARD;
+    /** @deprecated 1.24 use constant from ChartColor instead */
+    const EXCEL_COLOR_TYPE_SCHEME = ChartColor::EXCEL_COLOR_TYPE_SCHEME;
+    /** @deprecated 1.24 use constant from ChartColor instead */
+    const EXCEL_COLOR_TYPE_ARGB = ChartColor::EXCEL_COLOR_TYPE_ARGB;
+
+    const
+        AXIS_LABELS_LOW = 'low';
+    const AXIS_LABELS_HIGH = 'high';
+    const AXIS_LABELS_NEXT_TO = 'nextTo';
+    const AXIS_LABELS_NONE = 'none';
+
+    const
+        TICK_MARK_NONE = 'none';
+    const TICK_MARK_INSIDE = 'in';
+    const TICK_MARK_OUTSIDE = 'out';
+    const TICK_MARK_CROSS = 'cross';
+
+    const
+        HORIZONTAL_CROSSES_AUTOZERO = 'autoZero';
+    const HORIZONTAL_CROSSES_MAXIMUM = 'max';
+
+    const
+        FORMAT_CODE_GENERAL = 'General';
+    const FORMAT_CODE_NUMBER = '#,##0.00';
+    const FORMAT_CODE_CURRENCY = '$#,##0.00';
+    const FORMAT_CODE_ACCOUNTING = '_($* #,##0.00_);_($* (#,##0.00);_($* "-"??_);_(@_)';
+    const FORMAT_CODE_DATE = 'm/d/yyyy';
+    const FORMAT_CODE_DATE_ISO8601 = 'yyyy-mm-dd';
+    const FORMAT_CODE_TIME = '[$-F400]h:mm:ss AM/PM';
+    const FORMAT_CODE_PERCENTAGE = '0.00%';
+    const FORMAT_CODE_FRACTION = '# ?/?';
+    const FORMAT_CODE_SCIENTIFIC = '0.00E+00';
+    const FORMAT_CODE_TEXT = '@';
+    const FORMAT_CODE_SPECIAL = '00000';
+
+    const
+        ORIENTATION_NORMAL = 'minMax';
+    const ORIENTATION_REVERSED = 'maxMin';
+
+    const
+        LINE_STYLE_COMPOUND_SIMPLE = 'sng';
+    const LINE_STYLE_COMPOUND_DOUBLE = 'dbl';
+    const LINE_STYLE_COMPOUND_THICKTHIN = 'thickThin';
+    const LINE_STYLE_COMPOUND_THINTHICK = 'thinThick';
+    const LINE_STYLE_COMPOUND_TRIPLE = 'tri';
+    const LINE_STYLE_DASH_SOLID = 'solid';
+    const LINE_STYLE_DASH_ROUND_DOT = 'sysDot';
+    const LINE_STYLE_DASH_SQUARE_DOT = 'sysDash';
+    /** @deprecated 1.24 use LINE_STYLE_DASH_SQUARE_DOT instead */
+    const LINE_STYLE_DASH_SQUERE_DOT = 'sysDash';
+    const LINE_STYPE_DASH_DASH = 'dash';
+    const LINE_STYLE_DASH_DASH_DOT = 'dashDot';
+    const LINE_STYLE_DASH_LONG_DASH = 'lgDash';
+    const LINE_STYLE_DASH_LONG_DASH_DOT = 'lgDashDot';
+    const LINE_STYLE_DASH_LONG_DASH_DOT_DOT = 'lgDashDotDot';
+    const LINE_STYLE_CAP_SQUARE = 'sq';
+    const LINE_STYLE_CAP_ROUND = 'rnd';
+    const LINE_STYLE_CAP_FLAT = 'flat';
+    const LINE_STYLE_JOIN_ROUND = 'round';
+    const LINE_STYLE_JOIN_MITER = 'miter';
+    const LINE_STYLE_JOIN_BEVEL = 'bevel';
+    const LINE_STYLE_ARROW_TYPE_NOARROW = null;
+    const LINE_STYLE_ARROW_TYPE_ARROW = 'triangle';
+    const LINE_STYLE_ARROW_TYPE_OPEN = 'arrow';
+    const LINE_STYLE_ARROW_TYPE_STEALTH = 'stealth';
+    const LINE_STYLE_ARROW_TYPE_DIAMOND = 'diamond';
+    const LINE_STYLE_ARROW_TYPE_OVAL = 'oval';
+    const LINE_STYLE_ARROW_SIZE_1 = 1;
+    const LINE_STYLE_ARROW_SIZE_2 = 2;
+    const LINE_STYLE_ARROW_SIZE_3 = 3;
+    const LINE_STYLE_ARROW_SIZE_4 = 4;
+    const LINE_STYLE_ARROW_SIZE_5 = 5;
+    const LINE_STYLE_ARROW_SIZE_6 = 6;
+    const LINE_STYLE_ARROW_SIZE_7 = 7;
+    const LINE_STYLE_ARROW_SIZE_8 = 8;
+    const LINE_STYLE_ARROW_SIZE_9 = 9;
+
+    const
+        SHADOW_PRESETS_NOSHADOW = null;
+    const SHADOW_PRESETS_OUTER_BOTTTOM_RIGHT = 1;
+    const SHADOW_PRESETS_OUTER_BOTTOM = 2;
+    const SHADOW_PRESETS_OUTER_BOTTOM_LEFT = 3;
+    const SHADOW_PRESETS_OUTER_RIGHT = 4;
+    const SHADOW_PRESETS_OUTER_CENTER = 5;
+    const SHADOW_PRESETS_OUTER_LEFT = 6;
+    const SHADOW_PRESETS_OUTER_TOP_RIGHT = 7;
+    const SHADOW_PRESETS_OUTER_TOP = 8;
+    const SHADOW_PRESETS_OUTER_TOP_LEFT = 9;
+    const SHADOW_PRESETS_INNER_BOTTTOM_RIGHT = 10;
+    const SHADOW_PRESETS_INNER_BOTTOM = 11;
+    const SHADOW_PRESETS_INNER_BOTTOM_LEFT = 12;
+    const SHADOW_PRESETS_INNER_RIGHT = 13;
+    const SHADOW_PRESETS_INNER_CENTER = 14;
+    const SHADOW_PRESETS_INNER_LEFT = 15;
+    const SHADOW_PRESETS_INNER_TOP_RIGHT = 16;
+    const SHADOW_PRESETS_INNER_TOP = 17;
+    const SHADOW_PRESETS_INNER_TOP_LEFT = 18;
+    const SHADOW_PRESETS_PERSPECTIVE_BELOW = 19;
+    const SHADOW_PRESETS_PERSPECTIVE_UPPER_RIGHT = 20;
+    const SHADOW_PRESETS_PERSPECTIVE_UPPER_LEFT = 21;
+    const SHADOW_PRESETS_PERSPECTIVE_LOWER_RIGHT = 22;
+    const SHADOW_PRESETS_PERSPECTIVE_LOWER_LEFT = 23;
+
+    const POINTS_WIDTH_MULTIPLIER = 12700;
+    const ANGLE_MULTIPLIER = 60000; // direction and size-kx size-ky
+    const PERCENTAGE_MULTIPLIER = 100000; // size sx and sy
+
+    /** @var bool */
+    protected $objectState = false; // used only for minor gridlines
+
+    /** @var ?float */
+    protected $glowSize;
+
+    /** @var ChartColor */
+    protected $glowColor;
+
+    /** @var array */
+    protected $softEdges = [
+        'size' => null,
+    ];
+
+    /** @var array */
+    protected $shadowProperties = self::PRESETS_OPTIONS[0];
+
+    /** @var ChartColor */
+    protected $shadowColor;
+
+    public function __construct()
+    {
+        $this->lineColor = new ChartColor();
+        $this->glowColor = new ChartColor();
+        $this->shadowColor = new ChartColor();
+        $this->shadowColor->setType(ChartColor::EXCEL_COLOR_TYPE_STANDARD);
+        $this->shadowColor->setValue('black');
+        $this->shadowColor->setAlpha(40);
+    }
+
+    /**
+     * Get Object State.
+     *
+     * @return bool
+     */
+    public function getObjectState()
+    {
+        return $this->objectState;
+    }
+
+    /**
+     * Change Object State to True.
+     *
+     * @return $this
+     */
+    public function activateObject()
+    {
+        $this->objectState = true;
+
+        return $this;
+    }
+
+    public static function pointsToXml(float $width): string
+    {
+        return (string) (int) ($width * self::POINTS_WIDTH_MULTIPLIER);
+    }
+
+    public static function xmlToPoints(string $width): float
+    {
+        return ((float) $width) / self::POINTS_WIDTH_MULTIPLIER;
+    }
+
+    public static function angleToXml(float $angle): string
+    {
+        return (string) (int) ($angle * self::ANGLE_MULTIPLIER);
+    }
+
+    public static function xmlToAngle(string $angle): float
+    {
+        return ((float) $angle) / self::ANGLE_MULTIPLIER;
+    }
+
+    public static function tenthOfPercentToXml(float $value): string
+    {
+        return (string) (int) ($value * self::PERCENTAGE_MULTIPLIER);
+    }
+
+    public static function xmlToTenthOfPercent(string $value): float
+    {
+        return ((float) $value) / self::PERCENTAGE_MULTIPLIER;
+    }
+
+    /**
+     * @param null|float|int|string $alpha
+     */
+    protected function setColorProperties(?string $color, $alpha, ?string $colorType): array
+    {
+        return [
+            'type' => $colorType,
+            'value' => $color,
+            'alpha' => ($alpha === null) ? null : (int) $alpha,
+        ];
+    }
+
+    protected const PRESETS_OPTIONS = [
+        //NONE
+        0 => [
+            'presets' => self::SHADOW_PRESETS_NOSHADOW,
+            'effect' => null,
+            //'color' => [
+            //    'type' => ChartColor::EXCEL_COLOR_TYPE_STANDARD,
+            //    'value' => 'black',
+            //    'alpha' => 40,
+            //],
+            'size' => [
+                'sx' => null,
+                'sy' => null,
+                'kx' => null,
+                'ky' => null,
+            ],
+            'blur' => null,
+            'direction' => null,
+            'distance' => null,
+            'algn' => null,
+            'rotWithShape' => null,
+        ],
+        //OUTER
+        1 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 2700000 / self::ANGLE_MULTIPLIER,
+            'algn' => 'tl',
+            'rotWithShape' => '0',
+        ],
+        2 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 5400000 / self::ANGLE_MULTIPLIER,
+            'algn' => 't',
+            'rotWithShape' => '0',
+        ],
+        3 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 8100000 / self::ANGLE_MULTIPLIER,
+            'algn' => 'tr',
+            'rotWithShape' => '0',
+        ],
+        4 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'algn' => 'l',
+            'rotWithShape' => '0',
+        ],
+        5 => [
+            'effect' => 'outerShdw',
+            'size' => [
+                'sx' => 102000 / self::PERCENTAGE_MULTIPLIER,
+                'sy' => 102000 / self::PERCENTAGE_MULTIPLIER,
+            ],
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'algn' => 'ctr',
+            'rotWithShape' => '0',
+        ],
+        6 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 10800000 / self::ANGLE_MULTIPLIER,
+            'algn' => 'r',
+            'rotWithShape' => '0',
+        ],
+        7 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 18900000 / self::ANGLE_MULTIPLIER,
+            'algn' => 'bl',
+            'rotWithShape' => '0',
+        ],
+        8 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 16200000 / self::ANGLE_MULTIPLIER,
+            'rotWithShape' => '0',
+        ],
+        9 => [
+            'effect' => 'outerShdw',
+            'blur' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 38100 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 13500000 / self::ANGLE_MULTIPLIER,
+            'algn' => 'br',
+            'rotWithShape' => '0',
+        ],
+        //INNER
+        10 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 2700000 / self::ANGLE_MULTIPLIER,
+        ],
+        11 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 5400000 / self::ANGLE_MULTIPLIER,
+        ],
+        12 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 8100000 / self::ANGLE_MULTIPLIER,
+        ],
+        13 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+        ],
+        14 => [
+            'effect' => 'innerShdw',
+            'blur' => 114300 / self::POINTS_WIDTH_MULTIPLIER,
+        ],
+        15 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 10800000 / self::ANGLE_MULTIPLIER,
+        ],
+        16 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 18900000 / self::ANGLE_MULTIPLIER,
+        ],
+        17 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 16200000 / self::ANGLE_MULTIPLIER,
+        ],
+        18 => [
+            'effect' => 'innerShdw',
+            'blur' => 63500 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 50800 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 13500000 / self::ANGLE_MULTIPLIER,
+        ],
+        //perspective
+        19 => [
+            'effect' => 'outerShdw',
+            'blur' => 152400 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 317500 / self::POINTS_WIDTH_MULTIPLIER,
+            'size' => [
+                'sx' => 90000 / self::PERCENTAGE_MULTIPLIER,
+                'sy' => -19000 / self::PERCENTAGE_MULTIPLIER,
+            ],
+            'direction' => 5400000 / self::ANGLE_MULTIPLIER,
+            'rotWithShape' => '0',
+        ],
+        20 => [
+            'effect' => 'outerShdw',
+            'blur' => 76200 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 18900000 / self::ANGLE_MULTIPLIER,
+            'size' => [
+                'sy' => 23000 / self::PERCENTAGE_MULTIPLIER,
+                'kx' => -1200000 / self::ANGLE_MULTIPLIER,
+            ],
+            'algn' => 'bl',
+            'rotWithShape' => '0',
+        ],
+        21 => [
+            'effect' => 'outerShdw',
+            'blur' => 76200 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 13500000 / self::ANGLE_MULTIPLIER,
+            'size' => [
+                'sy' => 23000 / self::PERCENTAGE_MULTIPLIER,
+                'kx' => 1200000 / self::ANGLE_MULTIPLIER,
+            ],
+            'algn' => 'br',
+            'rotWithShape' => '0',
+        ],
+        22 => [
+            'effect' => 'outerShdw',
+            'blur' => 76200 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 12700 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 2700000 / self::ANGLE_MULTIPLIER,
+            'size' => [
+                'sy' => -23000 / self::PERCENTAGE_MULTIPLIER,
+                'kx' => -800400 / self::ANGLE_MULTIPLIER,
+            ],
+            'algn' => 'bl',
+            'rotWithShape' => '0',
+        ],
+        23 => [
+            'effect' => 'outerShdw',
+            'blur' => 76200 / self::POINTS_WIDTH_MULTIPLIER,
+            'distance' => 12700 / self::POINTS_WIDTH_MULTIPLIER,
+            'direction' => 8100000 / self::ANGLE_MULTIPLIER,
+            'size' => [
+                'sy' => -23000 / self::PERCENTAGE_MULTIPLIER,
+                'kx' => 800400 / self::ANGLE_MULTIPLIER,
+            ],
+            'algn' => 'br',
+            'rotWithShape' => '0',
+        ],
+    ];
+
+    protected function getShadowPresetsMap(int $presetsOption): array
+    {
+        return self::PRESETS_OPTIONS[$presetsOption] ?? self::PRESETS_OPTIONS[0];
+    }
+
+    /**
+     * Get value of array element.
+     *
+     * @param mixed $properties
+     * @param mixed $elements
+     *
+     * @return mixed
+     */
+    protected function getArrayElementsValue($properties, $elements)
+    {
+        $reference = &$properties;
+        if (!is_array($elements)) {
+            return $reference[$elements];
+        }
+
+        foreach ($elements as $keys) {
+            $reference = &$reference[$keys];
+        }
+
+        return $reference;
+    }
+
+    /**
+     * Set Glow Properties.
+     *
+     * @param float $size
+     * @param ?string $colorValue
+     * @param ?int $colorAlpha
+     * @param ?string $colorType
+     */
+    public function setGlowProperties($size, $colorValue = null, $colorAlpha = null, $colorType = null): void
+    {
+        $this
+            ->activateObject()
+            ->setGlowSize($size);
+        $this->glowColor->setColorPropertiesArray(
+            [
+                'value' => $colorValue,
+                'type' => $colorType,
+                'alpha' => $colorAlpha,
+            ]
+        );
+    }
+
+    /**
+     * Get Glow Property.
+     *
+     * @param array|string $property
+     *
+     * @return null|array|float|int|string
+     */
+    public function getGlowProperty($property)
+    {
+        $retVal = null;
+        if ($property === 'size') {
+            $retVal = $this->glowSize;
+        } elseif ($property === 'color') {
+            $retVal = [
+                'value' => $this->glowColor->getColorProperty('value'),
+                'type' => $this->glowColor->getColorProperty('type'),
+                'alpha' => $this->glowColor->getColorProperty('alpha'),
+            ];
+        } elseif (is_array($property) && count($property) >= 2 && $property[0] === 'color') {
+            $retVal = $this->glowColor->getColorProperty($property[1]);
+        }
+
+        return $retVal;
+    }
+
+    /**
+     * Get Glow Color Property.
+     *
+     * @param string $propertyName
+     *
+     * @return null|int|string
+     */
+    public function getGlowColor($propertyName)
+    {
+        return $this->glowColor->getColorProperty($propertyName);
+    }
+
+    public function getGlowColorObject(): ChartColor
+    {
+        return $this->glowColor;
+    }
+
+    /**
+     * Get Glow Size.
+     *
+     * @return ?float
+     */
+    public function getGlowSize()
+    {
+        return $this->glowSize;
+    }
+
+    /**
+     * Set Glow Size.
+     *
+     * @param ?float $size
+     *
+     * @return $this
+     */
+    protected function setGlowSize($size)
+    {
+        $this->glowSize = $size;
+
+        return $this;
+    }
+
+    /**
+     * Set Soft Edges Size.
+     *
+     * @param ?float $size
+     */
+    public function setSoftEdges($size): void
+    {
+        if ($size !== null) {
+            $this->activateObject();
+            $this->softEdges['size'] = $size;
+        }
+    }
+
+    /**
+     * Get Soft Edges Size.
+     *
+     * @return string
+     */
+    public function getSoftEdgesSize()
+    {
+        return $this->softEdges['size'];
+    }
+
+    /**
+     * @param mixed $value
+     */
+    public function setShadowProperty(string $propertyName, $value): self
+    {
+        $this->activateObject();
+        if ($propertyName === 'color' && is_array($value)) {
+            $this->shadowColor->setColorPropertiesArray($value);
+        } else {
+            $this->shadowProperties[$propertyName] = $value;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set Shadow Properties.
+     *
+     * @param int $presets
+     * @param string $colorValue
+     * @param string $colorType
+     * @param null|float|int|string $colorAlpha
+     * @param null|float $blur
+     * @param null|int $angle
+     * @param null|float $distance
+     */
+    public function setShadowProperties($presets, $colorValue = null, $colorType = null, $colorAlpha = null, $blur = null, $angle = null, $distance = null): void
+    {
+        $this->activateObject()->setShadowPresetsProperties((int) $presets);
+        if ($presets === 0) {
+            $this->shadowColor->setType(ChartColor::EXCEL_COLOR_TYPE_STANDARD);
+            $this->shadowColor->setValue('black');
+            $this->shadowColor->setAlpha(40);
+        }
+        if ($colorValue !== null) {
+            $this->shadowColor->setValue($colorValue);
+        }
+        if ($colorType !== null) {
+            $this->shadowColor->setType($colorType);
+        }
+        if (is_numeric($colorAlpha)) {
+            $this->shadowColor->setAlpha((int) $colorAlpha);
+        }
+        $this
+            ->setShadowBlur($blur)
+            ->setShadowAngle($angle)
+            ->setShadowDistance($distance);
+    }
+
+    /**
+     * Set Shadow Presets Properties.
+     *
+     * @param int $presets
+     *
+     * @return $this
+     */
+    protected function setShadowPresetsProperties($presets)
+    {
+        $this->shadowProperties['presets'] = $presets;
+        $this->setShadowPropertiesMapValues($this->getShadowPresetsMap($presets));
+
+        return $this;
+    }
+
+    protected const SHADOW_ARRAY_KEYS = ['size', 'color'];
+
+    /**
+     * Set Shadow Properties Values.
+     *
+     * @param mixed $reference
+     *
+     * @return $this
+     */
+    protected function setShadowPropertiesMapValues(array $propertiesMap, &$reference = null)
+    {
+        $base_reference = $reference;
+        foreach ($propertiesMap as $property_key => $property_val) {
+            if (is_array($property_val)) {
+                if (in_array($property_key, self::SHADOW_ARRAY_KEYS, true)) {
+                    $reference = &$this->shadowProperties[$property_key];
+                    $this->setShadowPropertiesMapValues($property_val, $reference);
+                }
+            } else {
+                if ($base_reference === null) {
+                    $this->shadowProperties[$property_key] = $property_val;
+                } else {
+                    $reference[$property_key] = $property_val;
+                }
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set Shadow Blur.
+     *
+     * @param ?float $blur
+     *
+     * @return $this
+     */
+    protected function setShadowBlur($blur)
+    {
+        if ($blur !== null) {
+            $this->shadowProperties['blur'] = $blur;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set Shadow Angle.
+     *
+     * @param null|float|int|string $angle
+     *
+     * @return $this
+     */
+    protected function setShadowAngle($angle)
+    {
+        if (is_numeric($angle)) {
+            $this->shadowProperties['direction'] = $angle;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Set Shadow Distance.
+     *
+     * @param ?float $distance
+     *
+     * @return $this
+     */
+    protected function setShadowDistance($distance)
+    {
+        if ($distance !== null) {
+            $this->shadowProperties['distance'] = $distance;
+        }
+
+        return $this;
+    }
+
+    public function getShadowColorObject(): ChartColor
+    {
+        return $this->shadowColor;
+    }
+
+    /**
+     * Get Shadow Property.
+     *
+     * @param string|string[] $elements
+     *
+     * @return array|string
+     */
+    public function getShadowProperty($elements)
+    {
+        if ($elements === 'color') {
+            return [
+                'value' => $this->shadowColor->getValue(),
+                'type' => $this->shadowColor->getType(),
+                'alpha' => $this->shadowColor->getAlpha(),
+            ];
+        }
+
+        return $this->getArrayElementsValue($this->shadowProperties, $elements);
+    }
+
+    public function getShadowArray(): array
+    {
+        $array = $this->shadowProperties;
+        if ($this->getShadowColorObject()->isUsable()) {
+            $array['color'] = $this->getShadowProperty('color');
+        }
+
+        return $array;
+    }
+
+    /** @var ChartColor */
+    protected $lineColor;
+
+    /** @var array */
+    protected $lineStyleProperties = [
+        'width' => null, //'9525',
+        'compound' => '', //self::LINE_STYLE_COMPOUND_SIMPLE,
+        'dash' => '', //self::LINE_STYLE_DASH_SOLID,
+        'cap' => '', //self::LINE_STYLE_CAP_FLAT,
+        'join' => '', //self::LINE_STYLE_JOIN_BEVEL,
+        'arrow' => [
+            'head' => [
+                'type' => '', //self::LINE_STYLE_ARROW_TYPE_NOARROW,
+                'size' => '', //self::LINE_STYLE_ARROW_SIZE_5,
+                'w' => '',
+                'len' => '',
+            ],
+            'end' => [
+                'type' => '', //self::LINE_STYLE_ARROW_TYPE_NOARROW,
+                'size' => '', //self::LINE_STYLE_ARROW_SIZE_8,
+                'w' => '',
+                'len' => '',
+            ],
+        ],
+    ];
+
+    public function copyLineStyles(self $otherProperties): void
+    {
+        $this->lineStyleProperties = $otherProperties->lineStyleProperties;
+        $this->lineColor = $otherProperties->lineColor;
+        $this->glowSize = $otherProperties->glowSize;
+        $this->glowColor = $otherProperties->glowColor;
+        $this->softEdges = $otherProperties->softEdges;
+        $this->shadowProperties = $otherProperties->shadowProperties;
+    }
+
+    public function getLineColor(): ChartColor
+    {
+        return $this->lineColor;
+    }
+
+    /**
+     * Set Line Color Properties.
+     *
+     * @param string $value
+     * @param ?int $alpha
+     * @param ?string $colorType
+     */
+    public function setLineColorProperties($value, $alpha = null, $colorType = null): void
+    {
+        $this->activateObject();
+        $this->lineColor->setColorPropertiesArray(
+            $this->setColorProperties(
+                $value,
+                $alpha,
+                $colorType
+            )
+        );
+    }
+
+    /**
+     * Get Line Color Property.
+     *
+     * @param string $propertyName
+     *
+     * @return null|int|string
+     */
+    public function getLineColorProperty($propertyName)
+    {
+        return $this->lineColor->getColorProperty($propertyName);
+    }
+
+    /**
+     * Set Line Style Properties.
+     *
+     * @param null|float|int|string $lineWidth
+     * @param string $compoundType
+     * @param string $dashType
+     * @param string $capType
+     * @param string $joinType
+     * @param string $headArrowType
+     * @param string $headArrowSize
+     * @param string $endArrowType
+     * @param string $endArrowSize
+     * @param string $headArrowWidth
+     * @param string $headArrowLength
+     * @param string $endArrowWidth
+     * @param string $endArrowLength
+     */
+    public function setLineStyleProperties($lineWidth = null, $compoundType = '', $dashType = '', $capType = '', $joinType = '', $headArrowType = '', $headArrowSize = '', $endArrowType = '', $endArrowSize = '', $headArrowWidth = '', $headArrowLength = '', $endArrowWidth = '', $endArrowLength = ''): void
+    {
+        $this->activateObject();
+        if (is_numeric($lineWidth)) {
+            $this->lineStyleProperties['width'] = $lineWidth;
+        }
+        if ($compoundType !== '') {
+            $this->lineStyleProperties['compound'] = $compoundType;
+        }
+        if ($dashType !== '') {
+            $this->lineStyleProperties['dash'] = $dashType;
+        }
+        if ($capType !== '') {
+            $this->lineStyleProperties['cap'] = $capType;
+        }
+        if ($joinType !== '') {
+            $this->lineStyleProperties['join'] = $joinType;
+        }
+        if ($headArrowType !== '') {
+            $this->lineStyleProperties['arrow']['head']['type'] = $headArrowType;
+        }
+        if (array_key_exists($headArrowSize, self::ARROW_SIZES)) {
+            $this->lineStyleProperties['arrow']['head']['size'] = $headArrowSize;
+            $this->lineStyleProperties['arrow']['head']['w'] = self::ARROW_SIZES[$headArrowSize]['w'];
+            $this->lineStyleProperties['arrow']['head']['len'] = self::ARROW_SIZES[$headArrowSize]['len'];
+        }
+        if ($endArrowType !== '') {
+            $this->lineStyleProperties['arrow']['end']['type'] = $endArrowType;
+        }
+        if (array_key_exists($endArrowSize, self::ARROW_SIZES)) {
+            $this->lineStyleProperties['arrow']['end']['size'] = $endArrowSize;
+            $this->lineStyleProperties['arrow']['end']['w'] = self::ARROW_SIZES[$endArrowSize]['w'];
+            $this->lineStyleProperties['arrow']['end']['len'] = self::ARROW_SIZES[$endArrowSize]['len'];
+        }
+        if ($headArrowWidth !== '') {
+            $this->lineStyleProperties['arrow']['head']['w'] = $headArrowWidth;
+        }
+        if ($headArrowLength !== '') {
+            $this->lineStyleProperties['arrow']['head']['len'] = $headArrowLength;
+        }
+        if ($endArrowWidth !== '') {
+            $this->lineStyleProperties['arrow']['end']['w'] = $endArrowWidth;
+        }
+        if ($endArrowLength !== '') {
+            $this->lineStyleProperties['arrow']['end']['len'] = $endArrowLength;
+        }
+    }
+
+    public function getLineStyleArray(): array
+    {
+        return $this->lineStyleProperties;
+    }
+
+    public function setLineStyleArray(array $lineStyleProperties = []): self
+    {
+        $this->activateObject();
+        $this->lineStyleProperties['width'] = $lineStyleProperties['width'] ?? null;
+        $this->lineStyleProperties['compound'] = $lineStyleProperties['compound'] ?? '';
+        $this->lineStyleProperties['dash'] = $lineStyleProperties['dash'] ?? '';
+        $this->lineStyleProperties['cap'] = $lineStyleProperties['cap'] ?? '';
+        $this->lineStyleProperties['join'] = $lineStyleProperties['join'] ?? '';
+        $this->lineStyleProperties['arrow']['head']['type'] = $lineStyleProperties['arrow']['head']['type'] ?? '';
+        $this->lineStyleProperties['arrow']['head']['size'] = $lineStyleProperties['arrow']['head']['size'] ?? '';
+        $this->lineStyleProperties['arrow']['head']['w'] = $lineStyleProperties['arrow']['head']['w'] ?? '';
+        $this->lineStyleProperties['arrow']['head']['len'] = $lineStyleProperties['arrow']['head']['len'] ?? '';
+        $this->lineStyleProperties['arrow']['end']['type'] = $lineStyleProperties['arrow']['end']['type'] ?? '';
+        $this->lineStyleProperties['arrow']['end']['size'] = $lineStyleProperties['arrow']['end']['size'] ?? '';
+        $this->lineStyleProperties['arrow']['end']['w'] = $lineStyleProperties['arrow']['end']['w'] ?? '';
+        $this->lineStyleProperties['arrow']['end']['len'] = $lineStyleProperties['arrow']['end']['len'] ?? '';
+
+        return $this;
+    }
+
+    /**
+     * @param mixed $value
+     */
+    public function setLineStyleProperty(string $propertyName, $value): self
+    {
+        $this->activateObject();
+        $this->lineStyleProperties[$propertyName] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get Line Style Property.
+     *
+     * @param array|string $elements
+     *
+     * @return string
+     */
+    public function getLineStyleProperty($elements)
+    {
+        return $this->getArrayElementsValue($this->lineStyleProperties, $elements);
+    }
+
+    protected const ARROW_SIZES = [
+        1 => ['w' => 'sm', 'len' => 'sm'],
+        2 => ['w' => 'sm', 'len' => 'med'],
+        3 => ['w' => 'sm', 'len' => 'lg'],
+        4 => ['w' => 'med', 'len' => 'sm'],
+        5 => ['w' => 'med', 'len' => 'med'],
+        6 => ['w' => 'med', 'len' => 'lg'],
+        7 => ['w' => 'lg', 'len' => 'sm'],
+        8 => ['w' => 'lg', 'len' => 'med'],
+        9 => ['w' => 'lg', 'len' => 'lg'],
+    ];
+
+    /**
+     * Get Line Style Arrow Size.
+     *
+     * @param int $arraySelector
+     * @param string $arrayKaySelector
+     *
+     * @return string
+     */
+    protected function getLineStyleArrowSize($arraySelector, $arrayKaySelector)
+    {
+        return self::ARROW_SIZES[$arraySelector][$arrayKaySelector] ?? '';
+    }
+
+    /**
+     * Get Line Style Arrow Parameters.
+     *
+     * @param string $arrowSelector
+     * @param string $propertySelector
+     *
+     * @return string
+     */
+    public function getLineStyleArrowParameters($arrowSelector, $propertySelector)
+    {
+        return $this->getLineStyleArrowSize($this->lineStyleProperties['arrow'][$arrowSelector]['size'], $propertySelector);
+    }
+
+    /**
+     * Get Line Style Arrow Width.
+     *
+     * @param string $arrow
+     *
+     * @return string
+     */
+    public function getLineStyleArrowWidth($arrow)
+    {
+        return $this->getLineStyleProperty(['arrow', $arrow, 'w']);
+    }
+
+    /**
+     * Get Line Style Arrow Excel Length.
+     *
+     * @param string $arrow
+     *
+     * @return string
+     */
+    public function getLineStyleArrowLength($arrow)
+    {
+        return $this->getLineStyleProperty(['arrow', $arrow, 'len']);
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/IRenderer.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
+
+use PhpOffice\PhpSpreadsheet\Chart\Chart;
+
+interface IRenderer
+{
+    /**
+     * IRenderer constructor.
+     */
+    public function __construct(Chart $chart);
+
+    /**
+     * Render the chart to given file (or stream).
+     *
+     * @param string $filename Name of the file render to
+     *
+     * @return bool true on success
+     */
+    public function render($filename);
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraph.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
+
+/**
+ * Jpgraph is not oficially maintained in Composer, so the version there
+ * could be out of date. For that reason, all unit test requiring Jpgraph
+ * are skipped. So, do not measure code coverage for this class till that
+ * is fixed.
+ *
+ * This implementation uses abandoned package
+ * https://packagist.org/packages/jpgraph/jpgraph
+ *
+ * @codeCoverageIgnore
+ */
+class JpGraph extends JpGraphRendererBase
+{
+    protected static function init(): void
+    {
+        static $loaded = false;
+        if ($loaded) {
+            return;
+        }
+
+        // JpGraph is no longer included with distribution, but user may install it.
+        // So Scrutinizer's complaint that it can't find it is reasonable, but unfixable.
+        \JpGraph\JpGraph::load();
+        \JpGraph\JpGraph::module('bar');
+        \JpGraph\JpGraph::module('contour');
+        \JpGraph\JpGraph::module('line');
+        \JpGraph\JpGraph::module('pie');
+        \JpGraph\JpGraph::module('pie3d');
+        \JpGraph\JpGraph::module('radar');
+        \JpGraph\JpGraph::module('regstat');
+        \JpGraph\JpGraph::module('scatter');
+        \JpGraph\JpGraph::module('stock');
+
+        $loaded = true;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/JpGraphRendererBase.php

@@ -0,0 +1,852 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
+
+use AccBarPlot;
+use AccLinePlot;
+use BarPlot;
+use ContourPlot;
+use Graph;
+use GroupBarPlot;
+use LinePlot;
+use PhpOffice\PhpSpreadsheet\Chart\Chart;
+use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
+use PieGraph;
+use PiePlot;
+use PiePlot3D;
+use PiePlotC;
+use RadarGraph;
+use RadarPlot;
+use ScatterPlot;
+use Spline;
+use StockPlot;
+
+/**
+ * Base class for different Jpgraph implementations as charts renderer.
+ */
+abstract class JpGraphRendererBase implements IRenderer
+{
+    private static $width = 640;
+
+    private static $height = 480;
+
+    private static $colourSet = [
+        'mediumpurple1', 'palegreen3', 'gold1', 'cadetblue1',
+        'darkmagenta', 'coral', 'dodgerblue3', 'eggplant',
+        'mediumblue', 'magenta', 'sandybrown', 'cyan',
+        'firebrick1', 'forestgreen', 'deeppink4', 'darkolivegreen',
+        'goldenrod2',
+    ];
+
+    private static $markSet;
+
+    private $chart;
+
+    private $graph;
+
+    private static $plotColour = 0;
+
+    private static $plotMark = 0;
+
+    /**
+     * Create a new jpgraph.
+     */
+    public function __construct(Chart $chart)
+    {
+        static::init();
+        $this->graph = null;
+        $this->chart = $chart;
+
+        self::$markSet = [
+            'diamond' => MARK_DIAMOND,
+            'square' => MARK_SQUARE,
+            'triangle' => MARK_UTRIANGLE,
+            'x' => MARK_X,
+            'star' => MARK_STAR,
+            'dot' => MARK_FILLEDCIRCLE,
+            'dash' => MARK_DTRIANGLE,
+            'circle' => MARK_CIRCLE,
+            'plus' => MARK_CROSS,
+        ];
+    }
+
+    /**
+     * This method should be overriden in descendants to do real JpGraph library initialization.
+     */
+    abstract protected static function init(): void;
+
+    private function formatPointMarker($seriesPlot, $markerID)
+    {
+        $plotMarkKeys = array_keys(self::$markSet);
+        if ($markerID === null) {
+            //    Use default plot marker (next marker in the series)
+            self::$plotMark %= count(self::$markSet);
+            $seriesPlot->mark->SetType(self::$markSet[$plotMarkKeys[self::$plotMark++]]);
+        } elseif ($markerID !== 'none') {
+            //    Use specified plot marker (if it exists)
+            if (isset(self::$markSet[$markerID])) {
+                $seriesPlot->mark->SetType(self::$markSet[$markerID]);
+            } else {
+                //    If the specified plot marker doesn't exist, use default plot marker (next marker in the series)
+                self::$plotMark %= count(self::$markSet);
+                $seriesPlot->mark->SetType(self::$markSet[$plotMarkKeys[self::$plotMark++]]);
+            }
+        } else {
+            //    Hide plot marker
+            $seriesPlot->mark->Hide();
+        }
+        $seriesPlot->mark->SetColor(self::$colourSet[self::$plotColour]);
+        $seriesPlot->mark->SetFillColor(self::$colourSet[self::$plotColour]);
+        $seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
+
+        return $seriesPlot;
+    }
+
+    private function formatDataSetLabels($groupID, $datasetLabels, $rotation = '')
+    {
+        $datasetLabelFormatCode = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getFormatCode() ?? '';
+        //    Retrieve any label formatting code
+        $datasetLabelFormatCode = stripslashes($datasetLabelFormatCode);
+
+        $testCurrentIndex = 0;
+        foreach ($datasetLabels as $i => $datasetLabel) {
+            if (is_array($datasetLabel)) {
+                if ($rotation == 'bar') {
+                    $datasetLabels[$i] = implode(' ', $datasetLabel);
+                } else {
+                    $datasetLabel = array_reverse($datasetLabel);
+                    $datasetLabels[$i] = implode("\n", $datasetLabel);
+                }
+            } else {
+                //    Format labels according to any formatting code
+                if ($datasetLabelFormatCode !== null) {
+                    $datasetLabels[$i] = NumberFormat::toFormattedString($datasetLabel, $datasetLabelFormatCode);
+                }
+            }
+            ++$testCurrentIndex;
+        }
+
+        return $datasetLabels;
+    }
+
+    private function percentageSumCalculation($groupID, $seriesCount)
+    {
+        $sumValues = [];
+        //    Adjust our values to a percentage value across all series in the group
+        for ($i = 0; $i < $seriesCount; ++$i) {
+            if ($i == 0) {
+                $sumValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
+            } else {
+                $nextValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
+                foreach ($nextValues as $k => $value) {
+                    if (isset($sumValues[$k])) {
+                        $sumValues[$k] += $value;
+                    } else {
+                        $sumValues[$k] = $value;
+                    }
+                }
+            }
+        }
+
+        return $sumValues;
+    }
+
+    private function percentageAdjustValues($dataValues, $sumValues)
+    {
+        foreach ($dataValues as $k => $dataValue) {
+            $dataValues[$k] = $dataValue / $sumValues[$k] * 100;
+        }
+
+        return $dataValues;
+    }
+
+    private function getCaption($captionElement)
+    {
+        //    Read any caption
+        $caption = ($captionElement !== null) ? $captionElement->getCaption() : null;
+        //    Test if we have a title caption to display
+        if ($caption !== null) {
+            //    If we do, it could be a plain string or an array
+            if (is_array($caption)) {
+                //    Implode an array to a plain string
+                $caption = implode('', $caption);
+            }
+        }
+
+        return $caption;
+    }
+
+    private function renderTitle(): void
+    {
+        $title = $this->getCaption($this->chart->getTitle());
+        if ($title !== null) {
+            $this->graph->title->Set($title);
+        }
+    }
+
+    private function renderLegend(): void
+    {
+        $legend = $this->chart->getLegend();
+        if ($legend !== null) {
+            $legendPosition = $legend->getPosition();
+            switch ($legendPosition) {
+                case 'r':
+                    $this->graph->legend->SetPos(0.01, 0.5, 'right', 'center'); //    right
+                    $this->graph->legend->SetColumns(1);
+
+                    break;
+                case 'l':
+                    $this->graph->legend->SetPos(0.01, 0.5, 'left', 'center'); //    left
+                    $this->graph->legend->SetColumns(1);
+
+                    break;
+                case 't':
+                    $this->graph->legend->SetPos(0.5, 0.01, 'center', 'top'); //    top
+
+                    break;
+                case 'b':
+                    $this->graph->legend->SetPos(0.5, 0.99, 'center', 'bottom'); //    bottom
+
+                    break;
+                default:
+                    $this->graph->legend->SetPos(0.01, 0.01, 'right', 'top'); //    top-right
+                    $this->graph->legend->SetColumns(1);
+
+                    break;
+            }
+        } else {
+            $this->graph->legend->Hide();
+        }
+    }
+
+    private function renderCartesianPlotArea($type = 'textlin'): void
+    {
+        $this->graph = new Graph(self::$width, self::$height);
+        $this->graph->SetScale($type);
+
+        $this->renderTitle();
+
+        //    Rotate for bar rather than column chart
+        $rotation = $this->chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotDirection();
+        $reverse = $rotation == 'bar';
+
+        $xAxisLabel = $this->chart->getXAxisLabel();
+        if ($xAxisLabel !== null) {
+            $title = $this->getCaption($xAxisLabel);
+            if ($title !== null) {
+                $this->graph->xaxis->SetTitle($title, 'center');
+                $this->graph->xaxis->title->SetMargin(35);
+                if ($reverse) {
+                    $this->graph->xaxis->title->SetAngle(90);
+                    $this->graph->xaxis->title->SetMargin(90);
+                }
+            }
+        }
+
+        $yAxisLabel = $this->chart->getYAxisLabel();
+        if ($yAxisLabel !== null) {
+            $title = $this->getCaption($yAxisLabel);
+            if ($title !== null) {
+                $this->graph->yaxis->SetTitle($title, 'center');
+                if ($reverse) {
+                    $this->graph->yaxis->title->SetAngle(0);
+                    $this->graph->yaxis->title->SetMargin(-55);
+                }
+            }
+        }
+    }
+
+    private function renderPiePlotArea(): void
+    {
+        $this->graph = new PieGraph(self::$width, self::$height);
+
+        $this->renderTitle();
+    }
+
+    private function renderRadarPlotArea(): void
+    {
+        $this->graph = new RadarGraph(self::$width, self::$height);
+        $this->graph->SetScale('lin');
+
+        $this->renderTitle();
+    }
+
+    private function renderPlotLine($groupID, $filled = false, $combination = false): void
+    {
+        $grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
+
+        $index = array_keys($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder())[0];
+        $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($index)->getPointCount();
+        if ($labelCount > 0) {
+            $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
+            $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels);
+            $this->graph->xaxis->SetTickLabels($datasetLabels);
+        }
+
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+        $seriesPlots = [];
+        if ($grouping == 'percentStacked') {
+            $sumValues = $this->percentageSumCalculation($groupID, $seriesCount);
+        } else {
+            $sumValues = [];
+        }
+
+        //    Loop through each data series in turn
+        for ($i = 0; $i < $seriesCount; ++$i) {
+            $index = array_keys($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder())[$i];
+            $dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($index)->getDataValues();
+            $marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($index)->getPointMarker();
+
+            if ($grouping == 'percentStacked') {
+                $dataValues = $this->percentageAdjustValues($dataValues, $sumValues);
+            }
+
+            //    Fill in any missing values in the $dataValues array
+            $testCurrentIndex = 0;
+            foreach ($dataValues as $k => $dataValue) {
+                while ($k != $testCurrentIndex) {
+                    $dataValues[$testCurrentIndex] = null;
+                    ++$testCurrentIndex;
+                }
+                ++$testCurrentIndex;
+            }
+
+            $seriesPlot = new LinePlot($dataValues);
+            if ($combination) {
+                $seriesPlot->SetBarCenter();
+            }
+
+            if ($filled) {
+                $seriesPlot->SetFilled(true);
+                $seriesPlot->SetColor('black');
+                $seriesPlot->SetFillColor(self::$colourSet[self::$plotColour++]);
+            } else {
+                //    Set the appropriate plot marker
+                $this->formatPointMarker($seriesPlot, $marker);
+            }
+            $dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($index)->getDataValue();
+            $seriesPlot->SetLegend($dataLabel);
+
+            $seriesPlots[] = $seriesPlot;
+        }
+
+        if ($grouping == 'standard') {
+            $groupPlot = $seriesPlots;
+        } else {
+            $groupPlot = new AccLinePlot($seriesPlots);
+        }
+        $this->graph->Add($groupPlot);
+    }
+
+    private function renderPlotBar($groupID, $dimensions = '2d'): void
+    {
+        $rotation = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotDirection();
+        //    Rotate for bar rather than column chart
+        if (($groupID == 0) && ($rotation == 'bar')) {
+            $this->graph->Set90AndMargin();
+        }
+        $grouping = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
+
+        $index = array_keys($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder())[0];
+        $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($index)->getPointCount();
+        if ($labelCount > 0) {
+            $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
+            $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels, $rotation);
+            //    Rotate for bar rather than column chart
+            if ($rotation == 'bar') {
+                $datasetLabels = array_reverse($datasetLabels);
+                $this->graph->yaxis->SetPos('max');
+                $this->graph->yaxis->SetLabelAlign('center', 'top');
+                $this->graph->yaxis->SetLabelSide(SIDE_RIGHT);
+            }
+            $this->graph->xaxis->SetTickLabels($datasetLabels);
+        }
+
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+        $seriesPlots = [];
+        if ($grouping == 'percentStacked') {
+            $sumValues = $this->percentageSumCalculation($groupID, $seriesCount);
+        } else {
+            $sumValues = [];
+        }
+
+        //    Loop through each data series in turn
+        for ($j = 0; $j < $seriesCount; ++$j) {
+            $index = array_keys($this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder())[$j];
+            $dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($index)->getDataValues();
+            if ($grouping == 'percentStacked') {
+                $dataValues = $this->percentageAdjustValues($dataValues, $sumValues);
+            }
+
+            //    Fill in any missing values in the $dataValues array
+            $testCurrentIndex = 0;
+            foreach ($dataValues as $k => $dataValue) {
+                while ($k != $testCurrentIndex) {
+                    $dataValues[$testCurrentIndex] = null;
+                    ++$testCurrentIndex;
+                }
+                ++$testCurrentIndex;
+            }
+
+            //    Reverse the $dataValues order for bar rather than column chart
+            if ($rotation == 'bar') {
+                $dataValues = array_reverse($dataValues);
+            }
+            $seriesPlot = new BarPlot($dataValues);
+            $seriesPlot->SetColor('black');
+            $seriesPlot->SetFillColor(self::$colourSet[self::$plotColour++]);
+            if ($dimensions == '3d') {
+                $seriesPlot->SetShadow();
+            }
+            if (!$this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)) {
+                $dataLabel = '';
+            } else {
+                $dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($j)->getDataValue();
+            }
+            $seriesPlot->SetLegend($dataLabel);
+
+            $seriesPlots[] = $seriesPlot;
+        }
+        //    Reverse the plot order for bar rather than column chart
+        if (($rotation == 'bar') && ($grouping != 'percentStacked')) {
+            $seriesPlots = array_reverse($seriesPlots);
+        }
+
+        if ($grouping == 'clustered') {
+            $groupPlot = new GroupBarPlot($seriesPlots);
+        } elseif ($grouping == 'standard') {
+            $groupPlot = new GroupBarPlot($seriesPlots);
+        } else {
+            $groupPlot = new AccBarPlot($seriesPlots);
+            if ($dimensions == '3d') {
+                $groupPlot->SetShadow();
+            }
+        }
+
+        $this->graph->Add($groupPlot);
+    }
+
+    private function renderPlotScatter($groupID, $bubble): void
+    {
+        $scatterStyle = $bubbleSize = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
+
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+
+        //    Loop through each data series in turn
+        for ($i = 0; $i < $seriesCount; ++$i) {
+            $dataValuesY = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
+            $dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
+
+            foreach ($dataValuesY as $k => $dataValueY) {
+                $dataValuesY[$k] = $k;
+            }
+
+            $seriesPlot = new ScatterPlot($dataValuesX, $dataValuesY);
+            if ($scatterStyle == 'lineMarker') {
+                $seriesPlot->SetLinkPoints();
+                $seriesPlot->link->SetColor(self::$colourSet[self::$plotColour]);
+            } elseif ($scatterStyle == 'smoothMarker') {
+                $spline = new Spline($dataValuesY, $dataValuesX);
+                [$splineDataY, $splineDataX] = $spline->Get(count($dataValuesX) * self::$width / 20);
+                $lplot = new LinePlot($splineDataX, $splineDataY);
+                $lplot->SetColor(self::$colourSet[self::$plotColour]);
+
+                $this->graph->Add($lplot);
+            }
+
+            if ($bubble) {
+                $this->formatPointMarker($seriesPlot, 'dot');
+                $seriesPlot->mark->SetColor('black');
+                $seriesPlot->mark->SetSize($bubbleSize);
+            } else {
+                $marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
+                $this->formatPointMarker($seriesPlot, $marker);
+            }
+            $dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
+            $seriesPlot->SetLegend($dataLabel);
+
+            $this->graph->Add($seriesPlot);
+        }
+    }
+
+    private function renderPlotRadar($groupID): void
+    {
+        $radarStyle = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
+
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+
+        //    Loop through each data series in turn
+        for ($i = 0; $i < $seriesCount; ++$i) {
+            $dataValuesY = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
+            $dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
+            $marker = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
+
+            $dataValues = [];
+            foreach ($dataValuesY as $k => $dataValueY) {
+                $dataValues[$k] = implode(' ', array_reverse($dataValueY));
+            }
+            $tmp = array_shift($dataValues);
+            $dataValues[] = $tmp;
+            $tmp = array_shift($dataValuesX);
+            $dataValuesX[] = $tmp;
+
+            $this->graph->SetTitles(array_reverse($dataValues));
+
+            $seriesPlot = new RadarPlot(array_reverse($dataValuesX));
+
+            $dataLabel = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
+            $seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
+            if ($radarStyle == 'filled') {
+                $seriesPlot->SetFillColor(self::$colourSet[self::$plotColour]);
+            }
+            $this->formatPointMarker($seriesPlot, $marker);
+            $seriesPlot->SetLegend($dataLabel);
+
+            $this->graph->Add($seriesPlot);
+        }
+    }
+
+    private function renderPlotContour($groupID): void
+    {
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+
+        $dataValues = [];
+        //    Loop through each data series in turn
+        for ($i = 0; $i < $seriesCount; ++$i) {
+            $dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
+
+            $dataValues[$i] = $dataValuesX;
+        }
+        $seriesPlot = new ContourPlot($dataValues);
+
+        $this->graph->Add($seriesPlot);
+    }
+
+    private function renderPlotStock($groupID): void
+    {
+        $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+        $plotOrder = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotOrder();
+
+        $dataValues = [];
+        //    Loop through each data series in turn and build the plot arrays
+        foreach ($plotOrder as $i => $v) {
+            $dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($v);
+            if ($dataValuesX === false) {
+                continue;
+            }
+            $dataValuesX = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($v)->getDataValues();
+            foreach ($dataValuesX as $j => $dataValueX) {
+                $dataValues[$plotOrder[$i]][$j] = $dataValueX;
+            }
+        }
+        if (empty($dataValues)) {
+            return;
+        }
+
+        $dataValuesPlot = [];
+        // Flatten the plot arrays to a single dimensional array to work with jpgraph
+        $jMax = count($dataValues[0]);
+        for ($j = 0; $j < $jMax; ++$j) {
+            for ($i = 0; $i < $seriesCount; ++$i) {
+                $dataValuesPlot[] = $dataValues[$i][$j] ?? null;
+            }
+        }
+
+        // Set the x-axis labels
+        $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
+        if ($labelCount > 0) {
+            $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
+            $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels);
+            $this->graph->xaxis->SetTickLabels($datasetLabels);
+        }
+
+        $seriesPlot = new StockPlot($dataValuesPlot);
+        $seriesPlot->SetWidth(20);
+
+        $this->graph->Add($seriesPlot);
+    }
+
+    private function renderAreaChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea();
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotLine($i, true, false);
+        }
+    }
+
+    private function renderLineChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea();
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotLine($i, false, false);
+        }
+    }
+
+    private function renderBarChart($groupCount, $dimensions = '2d'): void
+    {
+        $this->renderCartesianPlotArea();
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotBar($i, $dimensions);
+        }
+    }
+
+    private function renderScatterChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea('linlin');
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotScatter($i, false);
+        }
+    }
+
+    private function renderBubbleChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea('linlin');
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotScatter($i, true);
+        }
+    }
+
+    private function renderPieChart($groupCount, $dimensions = '2d', $doughnut = false, $multiplePlots = false): void
+    {
+        $this->renderPiePlotArea();
+
+        $iLimit = ($multiplePlots) ? $groupCount : 1;
+        for ($groupID = 0; $groupID < $iLimit; ++$groupID) {
+            $exploded = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
+            $datasetLabels = [];
+            if ($groupID == 0) {
+                $labelCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex(0)->getPointCount();
+                if ($labelCount > 0) {
+                    $datasetLabels = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex(0)->getDataValues();
+                    $datasetLabels = $this->formatDataSetLabels($groupID, $datasetLabels);
+                }
+            }
+
+            $seriesCount = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
+            //    For pie charts, we only display the first series: doughnut charts generally display all series
+            $jLimit = ($multiplePlots) ? $seriesCount : 1;
+            //    Loop through each data series in turn
+            for ($j = 0; $j < $jLimit; ++$j) {
+                $dataValues = $this->chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($j)->getDataValues();
+
+                //    Fill in any missing values in the $dataValues array
+                $testCurrentIndex = 0;
+                foreach ($dataValues as $k => $dataValue) {
+                    while ($k != $testCurrentIndex) {
+                        $dataValues[$testCurrentIndex] = null;
+                        ++$testCurrentIndex;
+                    }
+                    ++$testCurrentIndex;
+                }
+
+                if ($dimensions == '3d') {
+                    $seriesPlot = new PiePlot3D($dataValues);
+                } else {
+                    if ($doughnut) {
+                        $seriesPlot = new PiePlotC($dataValues);
+                    } else {
+                        $seriesPlot = new PiePlot($dataValues);
+                    }
+                }
+
+                if ($multiplePlots) {
+                    $seriesPlot->SetSize(($jLimit - $j) / ($jLimit * 4));
+                }
+
+                if ($doughnut && method_exists($seriesPlot, 'SetMidColor')) {
+                    $seriesPlot->SetMidColor('white');
+                }
+
+                $seriesPlot->SetColor(self::$colourSet[self::$plotColour++]);
+                if (count($datasetLabels) > 0) {
+                    $seriesPlot->SetLabels(array_fill(0, count($datasetLabels), ''));
+                }
+                if ($dimensions != '3d') {
+                    $seriesPlot->SetGuideLines(false);
+                }
+                if ($j == 0) {
+                    if ($exploded) {
+                        $seriesPlot->ExplodeAll();
+                    }
+                    $seriesPlot->SetLegends($datasetLabels);
+                }
+
+                $this->graph->Add($seriesPlot);
+            }
+        }
+    }
+
+    private function renderRadarChart($groupCount): void
+    {
+        $this->renderRadarPlotArea();
+
+        for ($groupID = 0; $groupID < $groupCount; ++$groupID) {
+            $this->renderPlotRadar($groupID);
+        }
+    }
+
+    private function renderStockChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea('intint');
+
+        for ($groupID = 0; $groupID < $groupCount; ++$groupID) {
+            $this->renderPlotStock($groupID);
+        }
+    }
+
+    private function renderContourChart($groupCount): void
+    {
+        $this->renderCartesianPlotArea('intint');
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $this->renderPlotContour($i);
+        }
+    }
+
+    private function renderCombinationChart($groupCount, $outputDestination)
+    {
+        $this->renderCartesianPlotArea();
+
+        for ($i = 0; $i < $groupCount; ++$i) {
+            $dimensions = null;
+            $chartType = $this->chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
+            switch ($chartType) {
+                case 'area3DChart':
+                case 'areaChart':
+                    $this->renderPlotLine($i, true, true);
+
+                    break;
+                case 'bar3DChart':
+                    $dimensions = '3d';
+                    // no break
+                case 'barChart':
+                    $this->renderPlotBar($i, $dimensions);
+
+                    break;
+                case 'line3DChart':
+                case 'lineChart':
+                    $this->renderPlotLine($i, false, true);
+
+                    break;
+                case 'scatterChart':
+                    $this->renderPlotScatter($i, false);
+
+                    break;
+                case 'bubbleChart':
+                    $this->renderPlotScatter($i, true);
+
+                    break;
+                default:
+                    $this->graph = null;
+
+                    return false;
+            }
+        }
+
+        $this->renderLegend();
+
+        $this->graph->Stroke($outputDestination);
+
+        return true;
+    }
+
+    public function render($outputDestination)
+    {
+        self::$plotColour = 0;
+
+        $groupCount = $this->chart->getPlotArea()->getPlotGroupCount();
+
+        $dimensions = null;
+        if ($groupCount == 1) {
+            $chartType = $this->chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotType();
+        } else {
+            $chartTypes = [];
+            for ($i = 0; $i < $groupCount; ++$i) {
+                $chartTypes[] = $this->chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
+            }
+            $chartTypes = array_unique($chartTypes);
+            if (count($chartTypes) == 1) {
+                $chartType = array_pop($chartTypes);
+            } elseif (count($chartTypes) == 0) {
+                echo 'Chart is not yet implemented<br />';
+
+                return false;
+            } else {
+                return $this->renderCombinationChart($groupCount, $outputDestination);
+            }
+        }
+
+        switch ($chartType) {
+            case 'area3DChart':
+                $dimensions = '3d';
+                // no break
+            case 'areaChart':
+                $this->renderAreaChart($groupCount);
+
+                break;
+            case 'bar3DChart':
+                $dimensions = '3d';
+                // no break
+            case 'barChart':
+                $this->renderBarChart($groupCount, $dimensions);
+
+                break;
+            case 'line3DChart':
+                $dimensions = '3d';
+                // no break
+            case 'lineChart':
+                $this->renderLineChart($groupCount);
+
+                break;
+            case 'pie3DChart':
+                $dimensions = '3d';
+                // no break
+            case 'pieChart':
+                $this->renderPieChart($groupCount, $dimensions, false, false);
+
+                break;
+            case 'doughnut3DChart':
+                $dimensions = '3d';
+                // no break
+            case 'doughnutChart':
+                $this->renderPieChart($groupCount, $dimensions, true, true);
+
+                break;
+            case 'scatterChart':
+                $this->renderScatterChart($groupCount);
+
+                break;
+            case 'bubbleChart':
+                $this->renderBubbleChart($groupCount);
+
+                break;
+            case 'radarChart':
+                $this->renderRadarChart($groupCount);
+
+                break;
+            case 'surface3DChart':
+            case 'surfaceChart':
+                $this->renderContourChart($groupCount);
+
+                break;
+            case 'stockChart':
+                $this->renderStockChart($groupCount);
+
+                break;
+            default:
+                echo $chartType . ' is not yet implemented<br />';
+
+                return false;
+        }
+        $this->renderLegend();
+
+        $this->graph->Stroke($outputDestination);
+
+        return true;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/MtJpGraphRenderer.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart\Renderer;
+
+/**
+ * Jpgraph is not oficially maintained in Composer.
+ *
+ * This renderer implementation uses package
+ * https://packagist.org/packages/mitoteam/jpgraph
+ *
+ * This package is up to date for August 2022 and has PHP 8.1 support.
+ */
+class MtJpGraphRenderer extends JpGraphRendererBase
+{
+    protected static function init(): void
+    {
+        static $loaded = false;
+        if ($loaded) {
+            return;
+        }
+
+        \mitoteam\jpgraph\MtJpGraph::load([
+            'bar',
+            'contour',
+            'line',
+            'pie',
+            'pie3d',
+            'radar',
+            'regstat',
+            'scatter',
+            'stock',
+        ]);
+
+        $loaded = true;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Renderer/PHP Charting Libraries.txt

@@ -0,0 +1,23 @@
+ChartDirector
+	https://www.advsofteng.com/cdphp.html
+
+GraPHPite
+	http://graphpite.sourceforge.net/
+
+JpGraph
+	https://jpgraph.net/
+	Used composer packages:
+        https://packagist.org/packages/jpgraph/jpgraph (\PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph)
+        https://packagist.org/packages/mitoteam/jpgraph (\PhpOffice\PhpSpreadsheet\Chart\Renderer\MtJpGraphRenderer)
+
+LibChart
+	https://naku.dohcrew.com/libchart/pages/introduction/
+
+pChart
+	http://pchart.sourceforge.net/
+
+TeeChart
+	https://www.steema.com/
+
+PHPGraphLib
+    http://www.ebrueggeman.com/phpgraphlib

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/Title.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+use PhpOffice\PhpSpreadsheet\RichText\RichText;
+
+class Title
+{
+    /**
+     * Title Caption.
+     *
+     * @var array|RichText|string
+     */
+    private $caption = '';
+
+    /**
+     * Title Layout.
+     *
+     * @var ?Layout
+     */
+    private $layout;
+
+    /**
+     * Create a new Title.
+     *
+     * @param array|RichText|string $caption
+     */
+    public function __construct($caption = '', ?Layout $layout = null)
+    {
+        $this->caption = $caption;
+        $this->layout = $layout;
+    }
+
+    /**
+     * Get caption.
+     *
+     * @return array|RichText|string
+     */
+    public function getCaption()
+    {
+        return $this->caption;
+    }
+
+    public function getCaptionText(): string
+    {
+        $caption = $this->caption;
+        if (is_string($caption)) {
+            return $caption;
+        }
+        if ($caption instanceof RichText) {
+            return $caption->getPlainText();
+        }
+        $retVal = '';
+        foreach ($caption as $textx) {
+            /** @var RichText|string */
+            $text = $textx;
+            if ($text instanceof RichText) {
+                $retVal .= $text->getPlainText();
+            } else {
+                $retVal .= $text;
+            }
+        }
+
+        return $retVal;
+    }
+
+    /**
+     * Set caption.
+     *
+     * @param array|RichText|string $caption
+     *
+     * @return $this
+     */
+    public function setCaption($caption)
+    {
+        $this->caption = $caption;
+
+        return $this;
+    }
+
+    public function getLayout(): ?Layout
+    {
+        return $this->layout;
+    }
+}

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Chart/TrendLine.php

@@ -0,0 +1,226 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Chart;
+
+class TrendLine extends Properties
+{
+    const TRENDLINE_EXPONENTIAL = 'exp';
+    const TRENDLINE_LINEAR = 'linear';
+    const TRENDLINE_LOGARITHMIC = 'log';
+    const TRENDLINE_POLYNOMIAL = 'poly'; // + 'order'
+    const TRENDLINE_POWER = 'power';
+    const TRENDLINE_MOVING_AVG = 'movingAvg'; // + 'period'
+    const TRENDLINE_TYPES = [
+        self::TRENDLINE_EXPONENTIAL,
+        self::TRENDLINE_LINEAR,
+        self::TRENDLINE_LOGARITHMIC,
+        self::TRENDLINE_POLYNOMIAL,
+        self::TRENDLINE_POWER,
+        self::TRENDLINE_MOVING_AVG,
+    ];
+
+    /** @var string */
+    private $trendLineType = 'linear'; // TRENDLINE_LINEAR
+
+    /** @var int */
+    private $order = 2;
+
+    /** @var int */
+    private $period = 3;
+
+    /** @var bool */
+    private $dispRSqr = false;
+
+    /** @var bool */
+    private $dispEq = false;
+
+    /** @var string */
+    private $name = '';
+
+    /** @var float */
+    private $backward = 0.0;
+
+    /** @var float */
+    private $forward = 0.0;
+
+    /** @var float */
+    private $intercept = 0.0;
+
+    /**
+     * Create a new TrendLine object.
+     */
+    public function __construct(
+        string $trendLineType = '',
+        ?int $order = null,
+        ?int $period = null,
+        bool $dispRSqr = false,
+        bool $dispEq = false,
+        ?float $backward = null,
+        ?float $forward = null,
+        ?float $intercept = null,
+        ?string $name = null
+    ) {
+        parent::__construct();
+        $this->setTrendLineProperties(
+            $trendLineType,
+            $order,
+            $period,
+            $dispRSqr,
+            $dispEq,
+            $backward,
+            $forward,
+            $intercept,
+            $name
+        );
+    }
+
+    public function getTrendLineType(): string
+    {
+        return $this->trendLineType;
+    }
+
+    public function setTrendLineType(string $trendLineType): self
+    {
+        $this->trendLineType = $trendLineType;
+
+        return $this;
+    }
+
+    public function getOrder(): int
+    {
+        return $this->order;
+    }
+
+    public function setOrder(int $order): self
+    {
+        $this->order = $order;
+
+        return $this;
+    }
+
+    public function getPeriod(): int
+    {
+        return $this->period;
+    }
+
+    public function setPeriod(int $period): self
+    {
+        $this->period = $period;
+
+        return $this;
+    }
+
+    public function getDispRSqr(): bool
+    {
+        return $this->dispRSqr;
+    }
+
+    public function setDispRSqr(bool $dispRSqr): self
+    {
+        $this->dispRSqr = $dispRSqr;
+
+        return $this;
+    }
+
+    public function getDispEq(): bool
+    {
+        return $this->dispEq;
+    }
+
+    public function setDispEq(bool $dispEq): self
+    {
+        $this->dispEq = $dispEq;
+
+        return $this;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): self
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    public function getBackward(): float
+    {
+        return $this->backward;
+    }
+
+    public function setBackward(float $backward): self
+    {
+        $this->backward = $backward;
+
+        return $this;
+    }
+
+    public function getForward(): float
+    {
+        return $this->forward;
+    }
+
+    public function setForward(float $forward): self
+    {
+        $this->forward = $forward;
+
+        return $this;
+    }
+
+    public function getIntercept(): float
+    {
+        return $this->intercept;
+    }
+
+    public function setIntercept(float $intercept): self
+    {
+        $this->intercept = $intercept;
+
+        return $this;
+    }
+
+    public function setTrendLineProperties(
+        ?string $trendLineType = null,
+        ?int $order = 0,
+        ?int $period = 0,
+        ?bool $dispRSqr = false,
+        ?bool $dispEq = false,
+        ?float $backward = null,
+        ?float $forward = null,
+        ?float $intercept = null,
+        ?string $name = null
+    ): self {
+        if (!empty($trendLineType)) {
+            $this->setTrendLineType($trendLineType);
+        }
+        if ($order !== null) {
+            $this->setOrder($order);
+        }
+        if ($period !== null) {
+            $this->setPeriod($period);
+        }
+        if ($dispRSqr !== null) {
+            $this->setDispRSqr($dispRSqr);
+        }
+        if ($dispEq !== null) {
+            $this->setDispEq($dispEq);
+        }
+        if ($backward !== null) {
+            $this->setBackward($backward);
+        }
+        if ($forward !== null) {
+            $this->setForward($forward);
+        }
+        if ($intercept !== null) {
+            $this->setIntercept($intercept);
+        }
+        if ($name !== null) {
+            $this->setName($name);
+        }
+
+        return $this;
+    }
+}