文字とPDFとPDFKit

macOSのPDFKitで取れる文字について。

2019.09.08 at macOS native Symposium #5
https://macos-native.connpass.com/event/138153/

Transcript

1. จࣈͱ1%'ͱ
   1%',JU
   CZ5.0500,"
   BUNBD04OBUJWF4ZNQPTJVN
   https://macos-native.connpass.com/event/138153/
   

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2. "CPVUUIF4QFBLFS
   w 5.0500,"!U@NPUPPLB
   w $3.ͱ͔࡞ͬͯΔਓ
   w ͳ͔ͥ࢓ࣄͷଟ͘Ͱ1%'ʹؔΘΔ
   w ׽ࣈ5BML ೥
   ͔Βͷ

   .BDϢʔβɾΞϓϦ։ൃऀʢϒϥϯΫ௕Ίʣ
   w ࡞Δ.BDΞϓϦ͸ࣗ෼ઐ༻ͷ΋ͷ͹͔Γ
   w ."4৹ࠪʹ௨Βͳ͍΋ͷ͹͔Γ
   

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3. ࠷ۙग़ͨ͠ΞϓϦ
   $IBS7JFXFS
   BWBJMBCMFPO.BD"QQ4UPSF
   

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4. View Slide

5. ໨࣍
   w 1%'ϑΝΠϧͷதͷจࣈ
   w 1%',JUͰऔΕΔจࣈ
   w 5P6OJDPEF.BQΛา͘
   

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6. 1%'ϑΝΠϧͷதͷจࣈ
   w ϥελը૾
   w ಡΉʹ͸0$3ٕज़͕ඞཁ
   w ϕΫλը૾ʢΞ΢τϥΠϯԽ͞Εͨจࣈʣ
   w ͜Ε΋0$3ٕज़͕ඞཁ
   w ςΩετඳըίϚϯυͰॻ͔Εͨจࣈ
   w ʮී௨ʹʯಡΊΔͷ͸ɺ͜Ε͚ͩ
   

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7. 1%'ͷςΩετඳըίϚϯυ
   w ࠲ඪΛࢦఆͯ͠
   w ϑΥϯτ΍αΠζΛࢦఆͯ͠
   w จࣈྻΛࢦఆͯ͠ɺඳ͘
   

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8. ςΩετͷจࣈίʔυ
   w ϑΥϯτͷʮαϒηοτຒΊࠐΈʯ
   w จࣈͷඳըίϚϯυ͸ɺαϒηοτதͷจࣈͷ*%Λࢦ͢
   w ʮʯ͸ʮ͋ʯɺʮʯ͸ʮ͍ʯͱ͍ͬͨײ͡
   w ඳըίϚϯυͰඳ͔ΕΔจࣈ͕ɺ

   6OJDPEF্ͷԿͳͷ͔Θ͔Βͳ͘ͳΔ
   w 5P6OJDPEF.BQʢৄࡉ͸ޙड़ʣ
   w ʮςΩετΛಡΉʯܥͷಈ͖͸ɺେ఍͜ΕΛ࢖ͬͯΔ
   

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9. ໨࣍
   w 1%'ϑΝΠϧͷதͷจࣈ
   w 1%',JUͰऔΕΔจࣈ
   w 5P6OJDPEF.BQΛา͘
   

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10. 1%',JUͰऔΕΔจࣈ
    w จࣈྻશମʢ1%'ϑΝΠϧશମPSࢦఆͨ͠ϖʔδશମʣ
    w Oจࣈ໨ͷ/43FDU
    w ࢦఆͨ͠/41PJOU͕Կจࣈ໨ͷจࣈΛࢦ͢ͷ͔ʁ
    

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11. 1%',JUͰऔΕΔจࣈ
    σϞ
    1MBZ(SPVOEʹू߹
    ιʔείʔυ
    https://gist.github.com/motooka/b826fe7ef534ab42f0b3b83567af8d97
    

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12. ࢼͨ͠จࣈ
    w ͜ͷ݁Ռ͸ɺ1%'࡞੒ϓϩάϥϜͷ࢓༷ʹԠͯ͡มΘΓ·͢ʂ
    w ͜͜Ͱ͸ɺ.48PSEͷ1%'ΤΫεϙʔτػೳͰͷྫͰ͢ɻ
    w ୙఺ɾ൒୙఺ΛؚΉจࣈʮύεϫʔυʯ
    w /'%ਖ਼نԽ͞Εͨঢ়ଶͰऔΕΔʢͪͳΈʹ5P6OJDPEF.BQͰ͸/'$ਖ਼نԽʣ
    w 65'Ͱ4VSSPHBUF1BJSʹͳΔֆจࣈʮʯ6'"
    w ͦͷ··औΕΔ
    w ;8+ ;FSP8JEUI+PJOFS
    Ͱܨ͛ͨֆจࣈ

    ʮ$ʯ8PNBO;8+8PNBO;8+(JSM
    w औΕͳ͍ʢԽ͚Δʣ
    w ҟମࣈηϨΫλ෇͖ʮ❄ʯ66&''
    w ҟମࣈηϨΫλ͕ൈ͚མͪͯʮ❄ʯʹͳΔ
    

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13. ໨࣍
    w 1%'ϑΝΠϧͷதͷจࣈ
    w 1%',JUͰऔΕΔจࣈ
    w 5P6OJDPEF.BQΛา͘
    

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14. )VNBO3FBEBCMF1%'
    w 1%'͸όΠφϦͰ͋ΓςΩετͰ͋Δ
    w 5P6OJDPEF.BQ౳͸௨ৗ͸ѹॖ͞Ε͍ͯΔ
    w )VNBO3FBEBCMFͰ͸ͳ͍
    w ৳௕͢Ε͹)VNBO3FBEBCMFʹͳΔ
    

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15. QEGUL
    w 1%'ϑΝΠϧΛՃ޻ͯ͘͠ΕΔπʔϧ
    w 1%'ϑΝΠϧ಺ͷѹॖ෦෼ͷ৳௕΋Ͱ͖Δ
    w ΊͬͪΌݹ͍
    w :PTFNJUF·Ͱ͸ී௨ʹಈ͍ͨ
    w ඇެࣜϏϧυͰ͸.PKBWFͰ΋ಈ͘Β͍͚͠Ͳා͍
    w 6CVOUVͳΒެࣜϏϧυ͕࢖͑Δ
    w ͸μϝ
    

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16. QEGULΛ%PDLFSͰ࢖͏
    w docker run -it --rm --mount type=bind,source="$
    (pwd)/work",dst="/work/" ubuntu:16.04 bash
    w ΧϨϯτσΟϨΫτϦ಺ͷʮXPSLʯΛϚ΢ϯτ
    w ࠶ར༻Λߟྀ͠ͳ͍ߏ੒
    w apt update; apt install -y pdftk
    w QEGULΛΠϯετʔϧ
    w pdftk test1.pdf output - uncompress > test1.1.pdf
    w QEGULͰ1%'ϑΝΠϧ಺༰Λ৳௕
    

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17. 5P6OJDPEF.BQΛಡΉ
    w )VNBO3FBEBCMFͳ1%'ΛςΩετΤσΟλͰ։͘
    w ʮ5P6OJDPEFʯͰݕࡧ
    w ʮ3ʯͱॻ͍ͯ͋ͬͨΒʮ?ʯͰݕࡧ
    w ͦΕͰݟ͑ͨ΋ͷ͕5P6OJDPEF.BQͷ࣮ଶ
    w CFHJOCGDIBS΍CFHJOCGSBOHF͕.BQຊମ
    w 6OJDPEFଆʢӈଆʣ͸େ఍͸65'#&
    

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18. 5P6OJDPEF.BQΛಡΉ
    σϞ
    

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19. ໨࣍
    w 1%'ϑΝΠϧͷதͷจࣈ
    w 1%',JUͰऔΕΔจࣈ
    w 5P6OJDPEF.BQΛา͘
    

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20. ·ͱΊ
    w จࣈͷඳըํ๏ʹΑͬͯऔΕͳ͍จࣈ΋͋Δ
    w ϥελը૾౳
    w จࣈ͕औΕΔඳըํ๏Ͱ΋ɺऔΕͳ͍จࣈ΋͋Δ
    w 5P6OJDPEF.BQͰਖ਼ࣔ͘͠͞Εͳ͍จࣈ
    w ࠲ඪͷߟ͑ํɿࠨԼݪ఺ͰEQJͷ࠲ඪܥ
    w )VNBO3FBEBCMF1%'
    

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21. ࢀߟࢿྉ
    w 1%'ߏ଄ղઆʢॻ੶ʣ

    +PIO8IJUJOHUPOஶଜ্խষ༁
    w 1%',JU

    IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOQEGLJU
    

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22. 2"
    

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23. ׬
    

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