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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Phpdftk\Pdf\Conformance\Constraint; |
| 6 | |
| 7 | use Phpdftk\Pdf\Conformance\Inspection\DocumentInspector; |
| 8 | use Phpdftk\Pdf\Conformance\Profile\ConformanceProfile; |
| 9 | use Phpdftk\Pdf\Conformance\Result\ConformanceViolation; |
| 10 | use Phpdftk\Pdf\Conformance\Result\ViolationSeverity; |
| 11 | |
| 12 | /** |
| 13 | * PDF/X: The Info dictionary /Trapped key must be /True or /False. |
| 14 | * |
| 15 | * /Unknown is not acceptable for PDF/X conformance — the trapping |
| 16 | * status must be explicitly declared for prepress workflows. |
| 17 | */ |
| 18 | final class TrappedConstraint implements ConformanceConstraint |
| 19 | { |
| 20 | public function check(DocumentInspector $inspector, ConformanceProfile $profile): array |
| 21 | { |
| 22 | $info = $inspector->getInfo(); |
| 23 | |
| 24 | if ($info === null || $info->trapped === null) { |
| 25 | return [new ConformanceViolation( |
| 26 | clause: '6.3', |
| 27 | message: 'Info /Trapped must be set to /True or /False for ' . $profile->getFamily() . ' conformance', |
| 28 | severity: ViolationSeverity::Error, |
| 29 | objectPath: 'Info.Trapped', |
| 30 | )]; |
| 31 | } |
| 32 | |
| 33 | $value = $info->trapped->value; |
| 34 | if ($value !== 'True' && $value !== 'False') { |
| 35 | return [new ConformanceViolation( |
| 36 | clause: '6.3', |
| 37 | message: sprintf( |
| 38 | 'Info /Trapped is /%s — must be /True or /False for %s conformance', |
| 39 | $value, |
| 40 | $profile->getFamily(), |
| 41 | ), |
| 42 | severity: ViolationSeverity::Error, |
| 43 | objectPath: 'Info.Trapped', |
| 44 | )]; |
| 45 | } |
| 46 | |
| 47 | return []; |
| 48 | } |
| 49 | } |