snipe-it/app/Models/Labels/DefaultLabel.php

<?php

namespace App\Models\Labels;

use App\Helpers\Helper;
use App\Models\Setting;

class DefaultLabel extends RectangleSheet
{
    private const BARCODE1D_SIZE = 0.15;

    private const BARCODE2D_SIZE = 0.76;
    private const BARCODE2D_MARGIN = 0.075;

    private const LOGO_SIZE = [0.75, 0.50];
    private const LOGO_MARGIN = 0.05;

    private const TEXT_MARGIN = 0.04;


    private float $textSize;

    private float $labelWidth;
    private float $labelHeight;

    private float $labelSpacingH;
    private float $labelSpacingV;

    private float $pageMarginTop;
    private float $pageMarginBottom;
    private float $pageMarginLeft;
    private float $pageMarginRight;

    private float $pageWidth;
    private float $pageHeight;

    private int $columns;
    private int $rows;


    public function __construct() {
        $settings = Setting::getSettings();

        $this->textSize = Helper::convertUnit($settings->labels_fontsize, 'pt', 'in');

        $this->labelWidth  = $settings->labels_width;
        $this->labelHeight = $settings->labels_height;

        $this->labelSpacingH = $settings->labels_display_sgutter;
        $this->labelSpacingV = $settings->labels_display_bgutter;

        $this->pageMarginTop    = $settings->labels_pmargin_top;
        $this->pageMarginBottom = $settings->labels_pmargin_bottom;
        $this->pageMarginLeft   = $settings->labels_pmargin_left;
        $this->pageMarginRight  = $settings->labels_pmargin_right;

        $this->pageWidth  = $settings->labels_pagewidth;
        $this->pageHeight = $settings->labels_pageheight;

        $usableWidth = $this->pageWidth - $this->pageMarginLeft - $this->pageMarginRight;
        $usableHeight = $this->pageHeight - $this->pageMarginTop - $this->pageMarginBottom;

        $this->columns = ($usableWidth + $this->labelSpacingH) / ($this->labelWidth + $this->labelSpacingH);
        $this->rows = ($usableHeight + $this->labelSpacingV) / ($this->labelHeight + $this->labelSpacingV);

        // Make sure the columns and rows are never zero, since that scenario should never happen
        if ($this->columns == 0) {
            $this->columns = 1;
        }

        if ($this->rows == 0) {
            $this->rows = 1;
        }

    }

    public function getUnit()   { return 'in'; }

    public function getPageWidth()  { return $this->pageWidth; }
    public function getPageHeight() { return $this->pageHeight; }

    public function getPageMarginTop()    { return $this->pageMarginTop; }
    public function getPageMarginBottom() { return $this->pageMarginBottom; }
    public function getPageMarginLeft()   { return $this->pageMarginLeft; }
    public function getPageMarginRight()  { return $this->pageMarginRight; }

    public function getColumns() { return $this->columns; }
    public function getRows()    { return $this->rows; }
    public function getLabelBorder() { return 0; }

    public function getLabelWidth()  { return $this->labelWidth; }
    public function getLabelHeight() { return $this->labelHeight; }

    public function getLabelMarginTop()    { return 0; }
    public function getLabelMarginBottom() { return 0; }
    public function getLabelMarginLeft()   { return 0; }
    public function getLabelMarginRight()  { return 0; }

    public function getLabelColumnSpacing() { return $this->labelSpacingH; }
    public function getLabelRowSpacing()    { return $this->labelSpacingV; }

    public function getSupportAssetTag()  { return false; }
    public function getSupport1DBarcode() { return true; }
    public function getSupport2DBarcode() { return true; }
    public function getSupportFields()    { return 4; }
    public function getSupportTitle()     { return true; }
    public function getSupportLogo()      { return true; }

    public function preparePDF($pdf) {}

    public function write($pdf, $record) {

        $asset = $record->get('asset');
        $settings = Setting::getSettings();

        $textY = 0;
        $textX1 = 0;
        $textX2 = $this->getLabelWidth();

        // 1D Barcode
        if ($record->get('barcode1d')) {
            static::write1DBarcode(
                $pdf, $record->get('barcode1d')->content, $record->get('barcode1d')->type,
                0.05, $this->getLabelHeight() - self::BARCODE1D_SIZE,
                $this->getLabelWidth() - 0.1, self::BARCODE1D_SIZE
            );
        }

        // 2D Barcode
        if ($record->get('barcode2d')) {
            static::write2DBarcode(
                $pdf, $record->get('barcode2d')->content, $record->get('barcode2d')->type,
                0, 0, self::BARCODE2D_SIZE, self::BARCODE2D_SIZE
            );
            $textX1 += self::BARCODE2D_SIZE + self::BARCODE2D_MARGIN;
        }

        // Logo
        if ($record->get('logo')) {
            $logoSize = static::writeImage(
                $pdf, $record->get('logo'),
                $this->labelWidth - self::LOGO_SIZE[0], 0,
                self::LOGO_SIZE[0], self::LOGO_SIZE[1],
                'R', 'T', 300, true, false, 0
            );
            $textX2 -= ($logoSize[0] + self::LOGO_MARGIN);
        }

        $textW = $textX2 - $textX1;

        // Title
        if ($record->get('title')) {
            static::writeText(
                $pdf, $record->get('title'),
                $textX1, 0,
                'freesans', 'b', $this->textSize, 'L',
                $textW, $this->textSize,
                true, 0
            );
            $textY += $this->textSize + self::TEXT_MARGIN;
        }

        // Render the selected fields with their labels
        $fieldsDone = 0;
        if ($fieldsDone < $this->getSupportFields()) {

            foreach ($record->get('fields') as $field) {

                // Actually write the selected fields and their matching values
                static::writeText(
                    $pdf, (($field['label']) ? $field['label'].' ' : '') . $field['value'],
                    $textX1, $textY,
                    'freesans', '', $this->textSize, 'L',
                    $textW, $this->textSize,
                    true, 0
                );

                $textY += $this->textSize + self::TEXT_MARGIN;
                $fieldsDone++;
            }
        }
    }

}

?>