Fpdi extensions from the internet

MyFpdi.php

<?php
namespace Mcustiel\Tests;

use setasign\Fpdi\Fpdi;

class MyFpdi extends Fpdi
{
    const NEW_LINE = "\n";
    const CARRIAGE_RETURN = "\r";
    const SPACE = ' ';
    
    /**
     * @var float
     */
    public $angle = 0;

    /**
     * @param float $c
     * @param float $m
     * @param float $y
     * @param float $k
     */
    public function SetTextColorCMYK($c, $m, $y, $k)
    {
        // Set color for text
        $this->TextColor = sprintf('%.3F %.3F %.3F %.3F k', $c / 100, $m / 100, $y / 100, $k / 100);
        $this->ColorFlag = ($this->FillColor != $this->TextColor);
    }

    /**
     * @param float $angle
     */
    public function Rotate($angle)
    {
        if ($this->angle != 0) {
            $this->_out('Q');
        }
        $this->angle = $angle;
        if ($angle != 0) {
            $angle = deg2rad($angle);
            $cos = cos($angle);
            $sin = sin($angle);
            $horizontalTranslation = $this->x * $this->k;
            $verticalTranslation = ($this->h - $this->y) * $this->k;
            $this->_out(
                sprintf(
                    'q %.5F %.5F %.5F %.5F %.2F %.2F cm 1 0 0 1 %.2F %.2F cm',
                    $cos,
                    $sin,
                    -$sin,
                    $cos,
                    $horizontalTranslation,
                    $verticalTranslation,
                    -$horizontalTranslation,
                    -$verticalTranslation
                )
            );
        }
    }

    public function _endpage()
    {
        if ($this->angle != 0) {
            $this->angle = 0;
            $this->_out('Q');
        }
        parent::_endpage();
    }

    // TODO: Here we can simulate horizontal alignments from InDesign
    // TODO: Check what happens it we try to simulate vertical alignment of the text in its own line
    public function TextBox($text, $width, $height, $horizontalAlign = 'L', $verticalAlign = 'T', $lineHeightScale = 1.0)
    {
        $cellMargin = $this->cMargin;
        $this->cMargin = 0;
        $rowHeight = $this->FontSize * $lineHeightScale;
        $lines = explode(self::NEW_LINE, $text);
        $contentBlockHeight = $height - $rowHeight * count($lines);
        $yPos = $this->getTextTopPosition($verticalAlign, $contentBlockHeight, $cellMargin);
        $xPos = $this->GetX();
        foreach ($lines as $line) {
            $this->SetY($yPos);
            $this->SetX($xPos);
            $this->Cell($width, $rowHeight, trim($line), 0, 0, $horizontalAlign);
            $yPos += $rowHeight - $this->LineWidth / 2.0;
        }
        $this->SetX($xPos);
        $this->setY($yPos + $height);
        $this->cMargin = $cellMargin;
    }

    /**
     * @param string $verticalAlign
     * @param float $contentBlockHeight
     * @param float $cellMargin
     *
     * @return float
     */
    private function getTextTopPosition($verticalAlign, $contentBlockHeight, $cellMargin)
    {
        switch ($verticalAlign) {
            case 'B':
                $yPos = $this->GetY() + $contentBlockHeight;
                break;
            case 'M':
                $yPos = $this->GetY() + $contentBlockHeight / 2.0;
                break;
            default:
                $yPos = $this->GetY();
        }
        $yPos += $cellMargin / 2.0;

        return $yPos;
    }
}

test.php

<?php

require_once __DIR__ . '/../vendor/autoload.php';

use Mcustiel\Tests\MyFpdi;

$fpdi = new MyFpdi('L', 'mm', [100, 200]);
$fpdi->AddPage();

$templateId = $fpdi->beginTemplate();
$fpdi->SetFont('Arial');
$fpdi->SetFontSize(16);
$fpdi->SetTextColorCMYK(10, 25, 85, 0);
$fpdi->SetY(0);
$fpdi->TextBox('I am a potato', 60, 20);
$fpdi->Rect($fpdi->GetX(), 0, 60, 20);
$fpdi->SetY(25);
$fpdi->SetTextColorCMYK(0, 0, 0, 77);
$fpdi->TextBox('I am a potato', 60, 20, 'C', 'M');
$fpdi->Rect($fpdi->GetX(), 25, 60, 20);
$fpdi->SetY(50);
$fpdi->SetTextColorCMYK(0, 11, 12, 0);
$fpdi->TextBox('I am a potato', 60, 20, 'R', 'B');
$fpdi->Rect($fpdi->GetX(), 50, 60, 20);
$fpdi->endTemplate();
$fpdi->useTemplate($templateId);
$fpdi->Output('F', __DIR__ . '/out.pdf');