From 75160b12821f7f4299cce7f0b69c83c1502ae071 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Mon, 27 May 2024 13:08:29 +0200
Subject: 2024-02-19 upstream

---
 .../src/PhpSpreadsheet/Writer/Xls/Font.php         | 147 +++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Font.php

(limited to 'vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Font.php')

diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Font.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Font.php
new file mode 100644
index 0000000..501f03b
--- /dev/null
+++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xls/Font.php
@@ -0,0 +1,147 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Writer\Xls;
+
+use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
+
+class Font
+{
+    /**
+     * Color index.
+     *
+     * @var int
+     */
+    private $colorIndex;
+
+    /**
+     * Font.
+     *
+     * @var \PhpOffice\PhpSpreadsheet\Style\Font
+     */
+    private $font;
+
+    /**
+     * Constructor.
+     */
+    public function __construct(\PhpOffice\PhpSpreadsheet\Style\Font $font)
+    {
+        $this->colorIndex = 0x7FFF;
+        $this->font = $font;
+    }
+
+    /**
+     * Set the color index.
+     *
+     * @param int $colorIndex
+     */
+    public function setColorIndex($colorIndex): void
+    {
+        $this->colorIndex = $colorIndex;
+    }
+
+    /**
+     * Get font record data.
+     *
+     * @return string
+     */
+    public function writeFont()
+    {
+        $font_outline = 0;
+        $font_shadow = 0;
+
+        $icv = $this->colorIndex; // Index to color palette
+        if ($this->font->getSuperscript()) {
+            $sss = 1;
+        } elseif ($this->font->getSubscript()) {
+            $sss = 2;
+        } else {
+            $sss = 0;
+        }
+        $bFamily = 0; // Font family
+        $bCharSet = \PhpOffice\PhpSpreadsheet\Shared\Font::getCharsetFromFontName($this->font->getName()); // Character set
+
+        $record = 0x31; // Record identifier
+        $reserved = 0x00; // Reserved
+        $grbit = 0x00; // Font attributes
+        if ($this->font->getItalic()) {
+            $grbit |= 0x02;
+        }
+        if ($this->font->getStrikethrough()) {
+            $grbit |= 0x08;
+        }
+        if ($font_outline) {
+            $grbit |= 0x10;
+        }
+        if ($font_shadow) {
+            $grbit |= 0x20;
+        }
+
+        $data = pack(
+            'vvvvvCCCC',
+            // Fontsize (in twips)
+            $this->font->getSize() * 20,
+            $grbit,
+            // Colour
+            $icv,
+            // Font weight
+            self::mapBold($this->font->getBold()),
+            // Superscript/Subscript
+            $sss,
+            self::mapUnderline($this->font->getUnderline()),
+            $bFamily,
+            $bCharSet,
+            $reserved
+        );
+        $data .= StringHelper::UTF8toBIFF8UnicodeShort($this->font->getName());
+
+        $length = strlen($data);
+        $header = pack('vv', $record, $length);
+
+        return $header . $data;
+    }
+
+    /**
+     * Map to BIFF5-BIFF8 codes for bold.
+     *
+     * @param bool $bold
+     *
+     * @return int
+     */
+    private static function mapBold($bold)
+    {
+        if ($bold) {
+            return 0x2BC; //  700 = Bold font weight
+        }
+
+        return 0x190; //  400 = Normal font weight
+    }
+
+    /**
+     * Map of BIFF2-BIFF8 codes for underline styles.
+     *
+     * @var array of int
+     */
+    private static $mapUnderline = [
+        \PhpOffice\PhpSpreadsheet\Style\Font::UNDERLINE_NONE => 0x00,
+        \PhpOffice\PhpSpreadsheet\Style\Font::UNDERLINE_SINGLE => 0x01,
+        \PhpOffice\PhpSpreadsheet\Style\Font::UNDERLINE_DOUBLE => 0x02,
+        \PhpOffice\PhpSpreadsheet\Style\Font::UNDERLINE_SINGLEACCOUNTING => 0x21,
+        \PhpOffice\PhpSpreadsheet\Style\Font::UNDERLINE_DOUBLEACCOUNTING => 0x22,
+    ];
+
+    /**
+     * Map underline.
+     *
+     * @param string $underline
+     *
+     * @return int
+     */
+    private static function mapUnderline($underline)
+    {
+        if (isset(self::$mapUnderline[$underline])) {
+            return self::$mapUnderline[$underline];
+        }
+
+        return 0x00;
+    }
+}
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