Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
SwiftとCoreTextと文字組み
Search
Taishi Ikai
July 26, 2016
Technology
1
620
SwiftとCoreTextと文字組み
Taishi Ikai
July 26, 2016
Tweet
Share
More Decks by Taishi Ikai
See All by Taishi Ikai
日経電子版でApp内課金を導入した話 / Nikkei uses In-App Purchase
ikait
2
2.8k
安定的 60 fps をめざす / the way to 60 fps
ikait
19
5.6k
紙面ビューアーを支える サーバーレスアーキテクチャ / serverless architecture supports Nikkei's paper viewer
ikait
43
40k
Typography and Fonts と日本語フォントまわり
ikait
2
3.1k
Other Decks in Technology
See All in Technology
Conquering PDFs: document understanding beyond plain text
inesmontani
PRO
1
360
Porting PicoRuby to Another Microcontroller: ESP32
yuuu
4
500
意思決定を支える検索体験を目指してやってきたこと
hinatades
PRO
0
330
テストって楽しい!開発を加速させるテストの魅力 / Testing is Fun! The Fascinating of Testing to Accelerate Development
aiandrox
0
140
OpsJAWS34_CloudTrailLake_for_Organizations
hiashisan
0
190
Cross Data Platforms Meetup LT 20250422
tarotaro0129
1
840
クラウド開発環境Cloud Workstationsの紹介
yunosukey
0
210
企業が押さえるべきMCPの未来
takaakikakei
0
150
LiteXとオレオレCPUで作る自作SoC奮闘記
msyksphinz
0
890
白金鉱業Meetup_Vol.18_生成AIはデータサイエンティストを代替するのか?
brainpadpr
3
200
PagerDuty×ポストモーテムで築く障害対応文化/Building a culture of incident response with PagerDuty and postmortems
aeonpeople
3
480
OPENLOGI Company Profile for engineer
hr01
1
25k
Featured
See All Featured
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
5
540
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.3k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
119
51k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
14
1.4k
The Cost Of JavaScript in 2023
addyosmani
49
7.7k
YesSQL, Process and Tooling at Scale
rocio
172
14k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Building Better People: How to give real-time feedback that sticks.
wjessup
367
19k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.2k
Side Projects
sachag
453
42k
VelocityConf: Rendering Performance Case Studies
addyosmani
329
24k
Thoughts on Productivity
jonyablonski
69
4.6k
Transcript
!.FMPOTXJGU ழࣂେࢤຊܦࡁ৽ฉࣾ 4XJGUͱ$PSF5FYUͱจࣈΈ
2 ழࣂେࢤʢ*LBJ5BJTIJʣ ຊܦࡁ৽ฉࣾͷΤϯδχΞ ࢴ໘ϏϡʔΞʔΞϓϦͷ։ൃ 4XJGU/PEFKT1ZUIPO ϝϩϯ ࣗݾհ
จࣈΈ͍ͯ͠·͔͢ʁ 3
4 ग़యIUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ ʢผ໊ʣϚεΫϝϩϯ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ
5 ग़యIUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ ʢผ໊ʣϚεΫϝϩϯ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ
6 ग़యIUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ ʢผ໊ʣϚεΫϝϩϯ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ
7 ग़యIUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ ʢผ໊ʣϚεΫϝϩϯ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ ʢผ໊ʣ
ΞʔϧεɾϑΣϘϦοτ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ ʢผ໊ʣϚεΫϝϩϯ 8 ग़యIUUQPFDOFUTZPLV[BJNFMPO ʢผ໊ʣ ʢผ໊ʣ
9 ग़యIUUQPFDOFUTZPLV[BJNFMPO ΞʔϧεɾϑΣϘϦοτ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ ʹඒ͍༷͕͠Ͱ͍ͯ·͢ɻ ʢผ໊ʣϚεΫϝϩϯ
10
ߦ಄ͷׅހΛͭΊΔฤ $PSF5FYUΛͬͨඳը 11
12 /4"UUSJCVUFE4USJOH͔Β$55ZQFTFUUFSΛੜ Ұߦͷ͞ %PVCMF Λ͋ͨ͑ͯɺվߦ͢Δ·Ͱͷจࣈ ΛಘΔ var
typesetter = CTTypesetterCreateWithAttributedString( attributedText) let count = CTTypesetterSuggestLineBreak( typesetter, 0, Double(lineWidth)) $PSF5FYUΛͬͨඳըʕߦ಄ͷׅހΛͭΊΔฤ ϝϩϯͷදछͰ͢ɻՌൽ৭Ͱશ໘ʹ ʹ 20 21 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
13 $55ZQFTFUUFS͔ΒҰߦͷ$5-JOFΛੜ ߦ಄͕࢝ΊׅހͳΒɺӈʹدͤΔͷ͞ΛಘΔ let ctline = CTTypesetterCreateLine(
typesetter, CFRangeMake(0, count)) let offsetX = fontSize / 2 // ͱΓ͋͑ͣϑΥϯταΠζͷʹ $PSF5FYUΛͬͨඳըʕߦ಄ͷׅހΛͭΊΔฤ ʢ
14 ӈʹدͤΔΛઃఆͯ͠ɺ$5-JOFΛඳը ߦ͘Γ͔͑͢ CGContextSetTextPosition(context, offsetX, offsetY) CTLineDraw(ctline,
context) $PSF5FYUΛͬͨඳըʕߦ಄ͷׅހΛͭΊΔฤ ʢผ໊ʣϚεΫϝϩϯ ʢผ໊ʣϚεΫϝϩϯ
15 /4"UUSJCVUFE4USJOHΑΓ̏ഒ͘Β͍͍ จࣈ͕ଟ͘ͳΔͱɺNT NT Λ͑Δ ͜ͱ ಛʹ$55ZQFTFUUFS$SFBUF8JUI"UUSJCVUFE4USJOH͕ॏ͍ ͍ͭ͜ͷ࣌ؒ "UUSJCVUFΛଟ͋ͯ͘Δͱ͘ͳΔ ύϑΥʔϚϯε
HJUIVCDPNJLBJU,FSO-BCFM 16 ߦ಄Ґஔௐɺࠨɾதԝɾӈɾۉἧ͑ɺ ྡ͢ΔͷִؒΛௐɺ۟ಡͷ͍ग़͠ͳͲ ϥΠϒϥϦΛ͍ͭͬͯ͘·͢
$PSF5FYU4XJGUͰͲ͏มԽ 17 ͓·͚
18 4XJGU 4XJGU $PSF(SBQIJDT
19 4XJGU 4XJGU $PSF(SBQIJDT
20 $PSF5FYU 4XJGU 4XJGU