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   ଖͷೋ How to Use CGPDF API.
2. How to use CGPDF • ԿؾʹPDFͷαϙʔτ͸͋Γ͕͍ͨ(Mac, iOS) Android, WP7͸֎෦ϥΠϒϥϦ͕ඞཁ (ࠓ೔ݱࡏ) • API͸CͰ࣮૷
3. Opening, Getting Information of the PDF • CGPDFDocument (URL or DataProvider) • CGPDFPage αΠζ(Bounding Box, Clipping Box), ճస, ϖʔδ਺, ϝλσʔλ, όʔδϣϯ, ύε ϫʔυϩοΫ • CFType (Λܧঝ)
4. Sample Code • Apple Developer: ZoomingPDFViewer key: ֦େॖখ, ඇಉظඳը, TiledLayer
5. • Parent-Children Ϟσϧ • CGPDFDocument-CGPDFPage • PageΑΓ΋ઌʹDocumentΛղ์ͯ͠͠·Θ ͳ͍Α͏ʹ஫ҙ!! Memory Management Page Document Retain/strong Assign/weak
6. Drawing • CGContextDrawPDFPage ύεͷଟ͍PDF΍ը૾ͷେ͖͍PDF͸ඳըʹ ͕͔͔࣌ؒΔ • ඇಉظඳը͕͓͢͢Ί e.g. CATiledLayer • c.f. ઌ΄ͲͷZoomingPDFViewer
7. ͍Α͍ΑPDF಺෦΁ • CGPDFScanner: ContentStream(≒ϖʔδ಺) ͷPDFΦϖϨʔλΛղੳ • CGPDFDocumentGetCatalog: Documentͷ Catalog(≒ϧʔτΦϒδΣΫτ)Λऔಘ • CGPDFPageGetDictionary: ϖʔδΛى఺ͱ͢ ΔPDFΦϒδΣΫτΛऔಘ ✴ NOTE: Not CF Type
8. API PDFObject CGPDFObject - (൚༻ܕ) CGPDFDictionary Dictionary CGPDFArray Array CGPDFString String CGPDFStream Stream
9. Q. ໨࣍Λऔಘ͢Δʹ͸? • PDFͷCatalog͔Β໨࣍σʔλΛύʔε
10. Q. UnicodeςΩετʹม׵ ͢Δʹ͸ 1. ςΩετؔ࿈ͷΦϖϨʔλΛநग़ 2. άϦϑ൪߸͔ΒUnicodeʹม׵ 3. Ґஔతߏ଄Λղੳ 4. ςΩετʹม׵
11. Q. ॻ͖ग़͢͠Δ • CGPDFContext Λ࢖͏ • ผͷϥΠϒϥϦΛ࢖͏ • ࣗ෼Ͱ࣮૷͢Δ (ղੳΑΓ΋ָ)