SwiftとCoreTextと文字組み

Transcript

1. !.FMPOTXJGU ழࣂ
   େࢤ
   ೔ຊܦࡁ৽ฉࣾ 4XJGUͱ$PSF5FYUͱจࣈ૊Έ

2. 2 ழࣂ
   େࢤʢ*LBJ
   5BJTIJʣ
   ೔ຊܦࡁ৽ฉࣾͷΤϯδχΞ
   ࢴ໘ϏϡʔΞʔΞϓϦͷ։ൃ
   4XJGU
   
   /PEFKT
   
   1ZUIPO
   ϝϩϯ೿ ࣗݾ঺հ

3. จࣈ૊Έ͍ͯ͠·͔͢ʁ 3

4. 4 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ
   ʢผ໊ʣϚεΫϝϩϯ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ

5. 5 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ
   ʢผ໊ʣϚεΫϝϩϯ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ

6. 6 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ
   ʢผ໊ʣϚεΫϝϩϯ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ

7. 7 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ
   ʢผ໊ʣϚεΫϝϩϯ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ ʢผ໊ʣ

8. ΞʔϧεɾϑΣϘϦοτ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ ʢผ໊ʣϚεΫϝϩϯ 8 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ʢผ໊ʣ ʢผ໊ʣ

9. 9 ग़య
   IUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ
   ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ ʹඒ͍͠໢໨໛༷͕Ͱ͍ͯ·͢ɻ ʢผ໊ʣϚεΫϝϩϯ

10. 10

11. ߦ಄ͷׅހΛͭΊΔฤ $PSF5FYU
    Λ࢖ͬͨඳը 11

12. 12  /4"UUSJCVUFE4USJOH
    ͔Β
    $55ZQFTFUUFS
    Λੜ੒
 
  Ұߦͷ௕͞
    %PVCMF
    Λ͋ͨ͑ͯɺվߦ͢Δ·Ͱͷจࣈ਺ ΛಘΔ var

    typesetter = CTTypesetterCreateWithAttributedString(
 attributedText) let count = CTTypesetterSuggestLineBreak(
 typesetter, 0, Double(lineWidth)) $PSF5FYU
    Λ࢖ͬͨඳը
    ʕ
    ߦ಄ͷׅހΛͭΊΔฤ ໢ϝϩϯͷ୅ද඼छͰ͢ɻՌൽ͸྘৭Ͱશ໘ʹ
 ʹ 20 21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

13. 13  $55ZQFTFUUFS
    ͔ΒҰߦ෼ͷ
    $5-JOF
    Λੜ੒
 
  ߦ಄͕࢝ΊׅހͳΒɺӈʹدͤΔ෼ͷ௕͞ΛಘΔ let ctline = CTTypesetterCreateLine(


    typesetter, CFRangeMake(0, count)) let offsetX = fontSize / 2 // ͱΓ͋͑ͣϑΥϯταΠζͷ൒෼ʹ $PSF5FYU
    Λ࢖ͬͨඳը
    ʕ
    ߦ಄ͷׅހΛͭΊΔฤ ʢ

14. 14  ӈʹدͤΔ෼Λઃఆͯ͠ɺ$5-JOF
    Λඳը
 
  ߦ਺෼͘Γ͔͑͢ CGContextSetTextPosition(context, offsetX, offsetY)
 CTLineDraw(ctline,

    context) $PSF5FYU
    Λ࢖ͬͨඳը
    ʕ
    ߦ಄ͷׅހΛͭΊΔฤ ʢผ໊ʣϚεΫϝϩϯ ʢผ໊ʣϚεΫϝϩϯ

15. 15 /4"UUSJCVUFE4USJOH
    ΑΓ΋̏ഒ͘Β͍஗͍
    จࣈ͕ଟ͘ͳΔͱɺNT
    NT
    Λ௒͑Δ ͜ͱ΋
    ಛʹ
    $55ZQFTFUUFS$SFBUF8JUI"UUSJCVUFE4USJOH
    ͕ॏ͍
    
    ͸͍ͭ͜ͷ࣌ؒ
    "UUSJCVUF
    Λଟ͋ͯ͘Δͱ஗͘ͳΔ ύϑΥʔϚϯε

16. HJUIVCDPNJLBJU,FSO-BCFM 16 ߦ಄Ґஔௐ੔ɺࠨɾதԝɾӈɾۉ౳ἧ͑ɺ
 ྡ઀͢Δ໿෺ͷִؒΛௐ੔ɺ۟ಡ఺ͷ௥͍ग़͠
    ͳͲ ϥΠϒϥϦΛ͍ͭͬͯ͘·͢

17. $PSF5FYU
    ͸
    4XJGU
    
    ͰͲ͏มԽ 17 ͓·͚

18. 18 4XJGU
     4XJGU
     $PSF
    (SBQIJDT

19. 19 4XJGU
     4XJGU
     $PSF
    (SBQIJDT

20. 20 $PSF
    5FYU 4XJGU
     4XJGU