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!.FMPOTXJGU ழࣂେࢤ೔ຊܦࡁ৽ฉࣾ 4XJGUͱ$PSF5FYUͱจࣈ૊Έ

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2 ழࣂେࢤʢ*LBJ5BJTIJʣ ೔ຊܦࡁ৽ฉࣾͷΤϯδχΞ ࢴ໘ϏϡʔΞʔΞϓϦͷ։ൃ 4XJGU/PEFKT1ZUIPO ϝϩϯ೿ ࣗݾ঺հ

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จࣈ૊Έ͍ͯ͠·͔͢ʁ 3

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

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

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

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

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

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

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ߦ಄ͷׅހΛͭΊΔฤ $PSF5FYUΛ࢖ͬͨඳը 11

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12 /4"UUSJCVUFE4USJOH͔Β$55ZQFTFUUFSΛੜ੒
 
 Ұߦͷ௕͞ %PVCMF Λ͋ͨ͑ͯɺվߦ͢Δ·Ͱͷจࣈ਺ ΛಘΔ var typesetter = CTTypesetterCreateWithAttributedString(
 attributedText) let count = CTTypesetterSuggestLineBreak(
 typesetter, 0, Double(lineWidth)) $PSF5FYUΛ࢖ͬͨඳըʕߦ಄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

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13 $55ZQFTFUUFS͔ΒҰߦ෼ͷ$5-JOFΛੜ੒
 
 ߦ಄͕࢝ΊׅހͳΒɺӈʹدͤΔ෼ͷ௕͞ΛಘΔ let ctline = CTTypesetterCreateLine(
 typesetter, CFRangeMake(0, count)) let offsetX = fontSize / 2 // ͱΓ͋͑ͣϑΥϯταΠζͷ൒෼ʹ $PSF5FYUΛ࢖ͬͨඳըʕߦ಄ͷׅހΛͭΊΔฤ ʢ

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14 ӈʹدͤΔ෼Λઃఆͯ͠ɺ$5-JOFΛඳը
 
 ߦ਺෼͘Γ͔͑͢ CGContextSetTextPosition(context, offsetX, offsetY)
 CTLineDraw(ctline, context) $PSF5FYUΛ࢖ͬͨඳըʕߦ಄ͷׅހΛͭΊΔฤ ʢผ໊ʣϚεΫϝϩϯ ʢผ໊ʣϚεΫϝϩϯ

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15 /4"UUSJCVUFE4USJOHΑΓ΋̏ഒ͘Β͍஗͍ จࣈ͕ଟ͘ͳΔͱɺNT NT Λ௒͑Δ ͜ͱ΋ ಛʹ$55ZQFTFUUFS$SFBUF8JUI"UUSJCVUFE4USJOH͕ॏ͍ ͸͍ͭ͜ͷ࣌ؒ "UUSJCVUFΛଟ͋ͯ͘Δͱ஗͘ͳΔ ύϑΥʔϚϯε

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

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$PSF5FYU͸4XJGUͰͲ͏มԽ 17 ͓·͚

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18 4XJGU 4XJGU $PSF(SBQIJDT

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19 4XJGU 4XJGU $PSF(SBQIJDT

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20 $PSF5FYU 4XJGU 4XJGU