Umfaki Wethegi Yemetadata ye-PDF/A
Engeza amathegi emetadata ye-PDF/A (akuyona inguqulo egcwele ye-PDF/A)
Isibuyekezo sokugcina:Ukufaka amathegi e-PDF/A kusetha amasimu wemetadata atusiwe e-PDF zegcino (isihloko, umdali, umkhiqizi, izinsuku zokudala/zokuguqulwa) kusetshenziswa i-pdf-lib. Qaphela: ukuthobela ngokuphelele kwe-PDF/A — ama-XMP stream, amaphrofayela ombala afakiwe, ukuqinisekiswa kwefonti — kudinga amathuluzi aseseva; lokhu kuwukuhlola okungcono kakhulu kwemetadata kwemisebenzi yesiphequluli.
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Ifayela lakho lihlala edivaysini yakho — alilayishwa
Indlela yokufaka i-PDF amathegi emetadata ye-PDF/A
- 1
Layisha i-PDF ngokuyihudulela ebhokisini elingenhla noma ngokuchofoza ukuze uphende amafayela akho.
- 2
Chofoza Shintsha. Ithuluzi lengeza imetadata yesisekelo ye-PDF/A (isihloko, umdali, umkhiqizi, izinsuku zokudala/ukuguqula) kufayela.
- 3
Landa i-PDF elifakwe amathegi. Qaphela: umphumela ngeke udlule umhloli weqiniso we-PDF/A — funda ngezansi ngesizathu.
Ithuluzi leli liyini (futhi liyini elingayikho)
Ithuluzi leli lengeza amathegi amaningi emetadata ye-PDF/A. Alenzi inqubo egcwele yokuguqula ye-PDF/A: akukho ukufakwa kwephaketha ye-XMP, akukho ukufakwa kwephrofayela yombala ye-ICC, futhi akukho ukunciphisa amafonti. Ngakho, umphumela uzohluleka kunoma yimuphi umhloli we-PDF/A oqinile futhi uzokwaliwa amanxeba, ama-archive kahulumeni, nezinhlelo zokuhambisa zemboni elawulwayo. Sebenzisa ithuluzi leli ekugcineni okungahlelekile noma uma udinga kuphela ukusetha izinkambu zomkhiqizi/umdali ezibonwa ngababukeli be-PDF abavamile. Ukuze uthole ukuhambisana okusemthethweni kwe-PDF/A, sebenzisa i-Adobe Acrobat Pro noma i-GhostScript — bobabili baphatha inqubo egcwele.
Uma umsebenzi wakho ungadingi i-PDF/A edlula umhloli, usengakwazi ukuhlanganisa ukufaka amathegi emetadata nokwenza flat izinto ezisebenzayo ukukhwelisa idatha yefomu namasignesha, ukunciphisa usayizi wefayela ukuze uthunyelwe nge-imeyili, noma ukuhlanganisa ama-PDF amaningi kube idokhumenti eyodwa esulungele ukugcinwa.
Iyini i-PDF/A, futhi ukuhambisana kweqiniso kudinga ini?
I-PDF/A yingxenye yefomethi ye-PDF evunyelwe yi-ISO eyakhelwe ukulondolozwa kwedijithali. Ukuhambisana kweqiniso kudinga ukuthi wonke amafonti afakwe futhi anciphiswe, wonke umbala ubhekise kuphrofayela ye-ICC efakiwe noma isikhala sombala esingaxhomekile kudivayisi, izinkomba zangaphandle ne-JavaScript zisuswe, futhi futhi istream semetadata ye-XMP ifakwe edokhumenti elichaza izinga lokuhambisana lwefayela. Amazinga okuhambisana: PDF/A-1 (eqinile kakhulu, ngokusekelwe ku-PDF 1.4), PDF/A-2 (yengeza i-JPEG 2000, ukucwenga, izingqimba), PDF/A-3 (ivumela okuhambisana okusha nakomalokhu). Ithuluzi lethu eliyisibhrawuza liphatha kuphela amathegi emetadata asondelene ne-XMP, hhayi umsebenzi wokwakha ogcwele — ngakho-ke phatha umphumela wayo njenge-PDF efakelwe amathegi emetadata, hhayi ifayela elihambisana ne-PDF/A.