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ΞϑΟϯม׵ͷ࿩ Ӊࠤݟ ެี

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Ͳ͜Ͱग़ͯ͘Δ͔

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ϏϡʔΛมܗ͢Δ • iOS Ͱͷྫ : CGAffineTransform • UIView ͷ transform ϓϩύςΟɿฏߦҠಈɺ ֦େॖখɺճసɺͳͲ

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ϑΥϯτΛมܗ͢Δ • CTFontCreate ͷҾ਺ʹ౉͢ : ࣼମϑΥϯτΛ ࡞Δ

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ΞϑΟϯม׵͸ ਤܗͷมܗʹ࢖ΘΕ͍ͯΔ

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ਤܗͷมܗ

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ਤܗͷมܗ • ߹ಉม׵ʢϢʔΫϦουม׵ʣ • ૬ࣅม׵ • ΞϑΟϯม׵ • ࣹӨม׵

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߹ಉม׵ • ฏߦҠಈɺճసɺ൓స • ௕͞Λอͭ • ֯౓Λอͭ • → ਤܗͷܗ΍େ͖͞Λม͑ͳ͍

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૬ࣅม׵ • ߹ಉม׵ + ֦େɾॖখ • ௕͞ͷൺΛอͭʢ௕͞Λอͨͳ͍ʣ • ֯౓Λอͭ • → ਤܗͷܗΛม͑ͳ͍ʢେ͖͞͸มΘΔʣ

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ΞϑΟϯม׵ • ૬ࣅม׵ + Ⴉஅมܗʢਖ਼ํܗΛඛܗʹʣ • ௕͞ͷൺΛอͭ • ฏߦੑΛอͭʢ௚֯ੑΛอͨͳ͍ʣ • → ਤܗͷܗ͕มΘΔʢࣼΊʹͳΔʣ

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ࣹӨม׵ • ΞϑΟϯม׵ + ઔܗมܗ • ௕͞ͷൺΛอͨͳ͍ • ௚ઢੑΛอͭʢฏߦੑɾ௚֯ੑΛอͨͳ͍ʣ • → ਤܗͷܗ͕มΘΔ

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ΞϑΟϯม׵ͷΠϝʔδ ܗ͸มΘΔ͚Ͳɺฏߦͳ΋ͷ͸ฏߦͳ··

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ΞϑΟϯม׵ = ฏߦҠಈɺճసɺ൓సɺ ֦େॖখɺႩஅ

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ม׵ͷ਺ࣜ

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Lightning Talk ͳͷͰܰΊʹ

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ճసͷ਺ࣜ ✓ x 0 y 0 ◆ = ✓ cos(t) sin(t) sin(t) cos(t) ◆ ✓ x y ◆

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ฏߦҠಈʴճసͷ਺ࣜ ✓ x 0 y 0 ◆ = ✓ cos(t) sin(t) sin(t) cos(t) ◆ ✓ x y ◆ + ✓ e f ◆

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ΞϑΟϯม׵ͷ਺ࣜ ✓ x 0 y 0 ◆ = ✓ a b c d ◆ ✓ x y ◆ + ✓ e f ◆

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ม׵ͷ߹੒ ʢߦྻදݱͷϝϦοτʣ ✓ a1 b1 c1 d1 ◆ ✓ a2 b2 c2 d2 ◆

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ಉ࣍࠲ඪʹΑΔදݱ ʢฏߦҠಈ΋ߦྻʹؚΊΔʣ 0 @x 0 y 0 1 1 A = 0 @a b e c d f 0 0 1 1 A 0 @x y 1 1 A

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·ͱΊ

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ΞϑΟϯม׵͸ ؆୯ʹ࢖͑ͯศརͳͷͰ ஌͓ͬͯ͘ͱΑ͍