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Yusuke Ito
February 18, 2012
Programming
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PDFのはなし1
Yusuke Ito
February 18, 2012
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Transcript
PDF ͷͳ͠ Yusuke Ito, @novi_
About Me • NNCT EI(ిࢠใ) 2010ଔۀ • None (Apr 2010
to Sep 2010) →Lindoc, Inc. (Oct 2010 to Dec 2010) →Musavy, Inc. (Jan 2011 to present) • ຊޠ, English, C, Objective-C HTML, CSS, JS, Ruby, Go ←New • UIσβΠϯ, App/WebσβΠϯ ϋʔυΣΞ, ճ࿏σβΠϯ
PDF on Mac • Keynote • Photoshop • TeX •
Scan Snap • ϓϦϯτը໘
ϓϦϯτը໘
PDF on Web • Google Docs • Slideshare • Research
Paper (e.g. CiNii • ిࢠॻ੶ (e.g. ୡਓग़൛
PDF:Portable Document Format What’s is PDF? Ͱͳ͍ ͬΆ͘ͳ͍ɺը૾
References • Wikipedia ຊޠ, English... • ެࣜͷ༷ॻ: “PDF Reference and
Adobe Extensions to the PDF Specification” • ggrks a.k.a. Googleݕࡧ ˞ެࣜͷ༷ॻʹΑͬͯؒҧ͍͕͋ΔͷͰҙ
͖ͳཧղʹඞཁͳ༧උࣝ Postscript زԿֶ ઢܗ Lab Color HSB Color ϑΥϯτ CID
Font TrueType Type1 Font ൛ OpenGL จࣈίʔυ -;8ѹॖ JPEG ύεۂઢ CMYK Color CMap Unicode ҉߸Խ
ͭ·Γ ༷͕ෳࡶ͗͢Δɻɻɻ ꒪⌓꒪
Versions • 1.4(2001): Acrobat 5.0 - OpenTypeϑΥϯτର Ԡ, ಁ໌ޮՌ, λά͖PDF
• 1.5(2003) Acrobat 6.0 - JPEG 2000, 16bitը૾, ϚϧνϝσΟΞίϯςϯπ • 1.6(2004) Acrobat 7.0 - 3DରԠ • 1.7(2006) Acrobat 8.0 - 3D, ऍػೳ, ηΩϡ ϦςΟڧԽ
Summary w ςΩετPSόΠφϦͳσʔλ w υΩϡϝϯτࣙॻΦϒδΣΫτ ࿈ྻ ͱ ͦͷྻͷू·Γ w ΦϒδΣΫτͷ֊ߏ
3PPUˠ w ϥϯμϜΞΫηε༻ͷΠϯσοΫε͕͋Δ
Dimensions & Graphics w QYEQJ w ࠨԼݪ w ΦϖϨʔλϨϯμϦϯάͱઃఆͷ໋ྩ w
άϥϑΟοΫεςʔτελοΫΛ࣋ͭ FH0QFO(-
Text w "4$**Ҏ֎جຊతʹϑΥϯτͷจࣈίʔυPSά Ϧϑ൪߸ґଘ w ຊޠͳΒϑΥϯτͱͦͷάϦϑ൪߸ w จॻߏΛ࣋ͨͳ͍ˠग़ݱॱҙ ଟ͘ݟͨ Ͱ্͔Βग़ݱ͢Δ
w จॻߏจࣈͷҐஔͰఆˠஈΈॎ ಠࣗΞϧΰϦζϜ͕ඞཁ
1%'Λ ςΩετΤσΟλͰ ॻ͍ͯΈΔɻ
Available framework • Mac: PDF Kit(Obj-C), CoreGraphics(C) • iOS: CoreGraphics
• ڞʹύʔεɾϨϯμϦϯάɾॻ͖ग़͠Λα ϙʔτ
in iOS... w 1%',JUφγ w $PSF(SBQIJDT "1*$(1%' ͕͑Δ w ղੳϨϯμϦϯάॻ͖ग़͠
w ςΩετબࣗͰ࣮ w $(1%'ΛͬͯΦϒδΣΫτͷղੳՄೳ
CGPDFͷܽ w ϑϨʔϜϫʔΫ.BDͷͷΛ΄΅ͦͷ·· Ҡ২ ͨͿΜ w ϝϞϦΛ৯͏ w ϥϯμϜΞΫηεͤͣ ֎෦ΦϒδΣΫτҎ֎
w Ұ୴ϝϞϦʹಡΈࠐΜͩΩϟογϡΛղ์͠ ͳ͍
Security / DRM w $(1%'ʹύεϫʔυʹΑΔ෮߸Խ"1*͕ఏ ڙ͞Ε͍ͯΔ͕ w +#ͯ͠ύονΛ࡞Εɺύεϫʔυൈ͚Δ ͷͰҙ w
ͦ͜·ͰΔͻͱ͍Δͷ͔
Quartz and PDF w .BDʹ͓͍ͯɺ2VBSU[ͷ෦ʹ1%'ͷٕज़ ͕ΘΕ͍ͯΔ w /47JFX1%'ग़ྗઌʹґଘ͠ͳ͍ w $PDPB͕ࠨԼݪͳͷ1%'Λ͍ͬͯΔ͔
Βͱ͍͏આ Ars Technica: http://arstechnica.com/reviews/1q00/ macos-x-gui/macos-x-gui-4.html
Conclusion ڥʹΑͬͯจࣈԽ͚͢Δ ϑΥϯτͷຒΊࠐΈʹىҼ iOSCMYKඇରԠ จॻߏΛ࣋ͨͳ͍ ݩͷ6OJDPEFจࣈΛ࣋ ͨͳ͍ PDF:Portable Document Format
Ͱͳ͍ ͬΆ͘ͳ͍ɺը૾