ee3dbba6cc
Schneespur — Open-source winter service documentation software (PWA + Admin). GPS tracking via OwnTracks, weather data, photo evidence, and legally compliant service records for winter maintenance operators. License: AGPL-3.0-or-later
120 lines
4 KiB
PHP
120 lines
4 KiB
PHP
<?php
|
|
|
|
namespace App\Services;
|
|
|
|
use App\Models\Job;
|
|
|
|
class PhotoAnnotationService
|
|
{
|
|
private const FONT_SIZE = 14;
|
|
|
|
private const LINE_HEIGHT = 22;
|
|
|
|
private const PADDING = 16;
|
|
|
|
private const STRIP_BG = [255, 255, 255];
|
|
|
|
private const TEXT_COLOR = [40, 40, 40];
|
|
|
|
private const LABEL_COLOR = [120, 120, 120];
|
|
|
|
public function annotate(string $imageContent, Job $job): string
|
|
{
|
|
$source = imagecreatefromstring($imageContent);
|
|
if ($source === false) {
|
|
throw new \RuntimeException('Failed to decode image for annotation.');
|
|
}
|
|
|
|
$job->loadMissing(['customer', 'weatherSnapshots']);
|
|
|
|
$lines = $this->buildMetadataLines($job);
|
|
|
|
$fontPath = resource_path('fonts/DejaVuSans.ttf');
|
|
if (! file_exists($fontPath)) {
|
|
imagedestroy($source);
|
|
throw new \RuntimeException('DejaVu Sans font not found at: ' . $fontPath);
|
|
}
|
|
|
|
$stripHeight = self::PADDING + (count($lines) * self::LINE_HEIGHT) + self::PADDING;
|
|
$srcWidth = imagesx($source);
|
|
$srcHeight = imagesy($source);
|
|
|
|
$canvas = imagecreatetruecolor($srcWidth, $srcHeight + $stripHeight);
|
|
if ($canvas === false) {
|
|
imagedestroy($source);
|
|
throw new \RuntimeException('Failed to create annotation canvas.');
|
|
}
|
|
|
|
imagecopy($canvas, $source, 0, 0, 0, 0, $srcWidth, $srcHeight);
|
|
imagedestroy($source);
|
|
|
|
$bgColor = imagecolorallocate($canvas, ...self::STRIP_BG);
|
|
imagefilledrectangle($canvas, 0, $srcHeight, $srcWidth - 1, $srcHeight + $stripHeight - 1, $bgColor);
|
|
|
|
$borderColor = imagecolorallocate($canvas, 200, 200, 200);
|
|
imageline($canvas, 0, $srcHeight, $srcWidth - 1, $srcHeight, $borderColor);
|
|
|
|
$textColor = imagecolorallocate($canvas, ...self::TEXT_COLOR);
|
|
$labelColor = imagecolorallocate($canvas, ...self::LABEL_COLOR);
|
|
|
|
$y = $srcHeight + self::PADDING + self::FONT_SIZE;
|
|
foreach ($lines as $line) {
|
|
if (str_contains($line, ': ')) {
|
|
[$label, $value] = explode(': ', $line, 2);
|
|
|
|
imagettftext($canvas, self::FONT_SIZE, 0, self::PADDING, $y, $labelColor, $fontPath, $label . ': ');
|
|
|
|
$labelBox = imagettfbbox(self::FONT_SIZE, 0, $fontPath, $label . ': ');
|
|
$labelWidth = abs($labelBox[2] - $labelBox[0]);
|
|
|
|
imagettftext($canvas, self::FONT_SIZE, 0, self::PADDING + $labelWidth, $y, $textColor, $fontPath, $value);
|
|
} else {
|
|
imagettftext($canvas, self::FONT_SIZE, 0, self::PADDING, $y, $textColor, $fontPath, $line);
|
|
}
|
|
|
|
$y += self::LINE_HEIGHT;
|
|
}
|
|
|
|
ob_start();
|
|
imagejpeg($canvas, null, 90);
|
|
$output = ob_get_clean();
|
|
imagedestroy($canvas);
|
|
|
|
return $output;
|
|
}
|
|
|
|
private function buildMetadataLines(Job $job): array
|
|
{
|
|
$lines = [];
|
|
|
|
$lines[] = 'Einsatz: #' . $job->id . ' — ' . ($job->type?->label() ?? '');
|
|
|
|
$object = $job->customerObject;
|
|
$customerLine = $job->customer?->name ?? '';
|
|
if ($object?->street) {
|
|
$customerLine .= ', ' . $object->street;
|
|
}
|
|
if ($object?->zip || $object?->city) {
|
|
$customerLine .= ', ' . trim(($object->zip ?? '') . ' ' . ($object->city ?? ''));
|
|
}
|
|
if ($object?->name && $object->name !== $job->customer?->name) {
|
|
$customerLine .= ' (' . $object->name . ')';
|
|
}
|
|
$lines[] = 'Kunde: ' . $customerLine;
|
|
|
|
$lines[] = 'Datum: ' . ($job->started_at?->format('d.m.Y H:i') ?? '');
|
|
|
|
$weather = $job->weatherSnapshots->first();
|
|
if ($weather && $weather->fetched_at) {
|
|
$lines[] = 'Wetter: ' . $weather->temperature . '°C, '
|
|
. $weather->precipitation . 'mm, '
|
|
. $weather->snow_depth . 'cm Schnee';
|
|
}
|
|
|
|
if ($object?->lat && $object?->lon) {
|
|
$lines[] = 'GPS: ' . $object->lat . ', ' . $object->lon;
|
|
}
|
|
|
|
return $lines;
|
|
}
|
|
}
|