PDFlib 8 Windows COM/.NET Tutorial

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1.3.2 Font Handling and Text Output Complex script shaping and bidirectional text formatting. Simple scripts, e.g. Latin, are scripts in which characters are placed one after the other from left to right. Complex scripts require additional processing for shaping the text (selecting appropriate glyph form depending on context), reordering characters, or formatting text from right to left. PDFlib supports complex script output for a variety of scripts including the Arabic, Hebrew, Devanagari, and Thai scripts. Fallback fonts. Fallback fonts are a powerful mechanism for dealing with a variety of font and encoding-related restrictions. You can mix and match fonts, pull missing glyphs from another font, extend encodings, etc. Fallback fonts can adjust the size of individual glyphs automatically to account for design differences in the combined fonts. OpenType layout features. OpenType layout features add intelligence to an Open- Type font in the form of additional tables in the font file. These tables describe advanced typographic features such as ligatures, small capitals, swash characters, etc. They also support advanced CJK text output with halfwidth, fullwidth, and proportional glyphs, alternate forms, and many others. Retain fonts across documents. Fonts and associated data can be kept in memory after the generated document is finished. This improves performance since the font doesn’t have to be parsed again for the next document, while still doing document-specific processing such as font subsetting. SING fonts for CJK Gaiji characters. The Japanese term Gaiji refers to custom characters (e.g. family or place names) which are in common use, but are not included in any encoding standard. Adobe’s SING font architecture (glyphlets) solves the Gaiji problem for CJK text. PDFlib supports SING fonts as well as the related Microsoft concept of EUDC fonts (end-user defined fonts). Using the fallback font feature SING and EUDC fonts can be merged into an existing font. Redesigned font engine. PDFlib’s font engine has been redesigned and streamlined, resulting in a variety of Unicode and encoding-related advantages as well as general performance improvements and reduced memory requirements. Due to the redesign some restrictions could be eliminated and the functionality of existing features extended. For example, it is now possible to address more than 256 glyphs in Type 1 or Type 3 fonts, address swash characters by glyph name, etc. Wrap text around image clipping paths. The Textflow formatting engine wraps text around arbitrary paths and can also use the clipping path of an imported TIFF or JPEG image. This way multi-line text can be wrapped around an image. Text on a path. Text can be placed on arbitrary vector paths consisting of an arbitrary mixture of straight line segments, curves, and arcs. The paths can be constructed programmatically. Alternatively, the clipping paths from TIFF or JPEG images can be extracted and used as text paths. 18 Chapter 1: Introduction (Edition for COM, .NET, and REALbasic)
1.3.3 PDFlib Block Plugin and PDFlib Personalization Server (PPS) The PDFlib Block Plugin is used to prepare PDF documents for Block filling (personalization) with the PDFlib Personalization Server (PPS). Preview PPS Block processing in Acrobat. The Plugin can generate previews of the Block filling process with PPS directly in Acrobat. The immediate preview allows designers to quickly review the results of PPS-filling their Block documents before submitting them to the server for processing. The preview PDF contains bookmarks, layers, and annotations with possible error messages as debugging and development aids. The preview feature speeds up development cycles and can also be used as an interactive test framework for trying PDFlib features. Clone PDF/A or PDF/X status of the Block container. When generating Block previews based on PDF/A or PDF/X documents, the Block Plugin can clone all relevant aspects of the standard, e.g. standard identification, output intent, and metadata. If a Block filling operation in PDF/A or PDF/X cloning mode would violate the selected standard (e.g. because a default image uses RGB color space although the document does not contain a suitable output intent) an error message will be displayed. This way users can catch potential standard violations very early in the workflow. Redesigned user interface and snap-to-grid. The user interface of the PDFlib Block Plugin has been restructured to facilitate access to the large number of existing and new Block properties. The new snap-to-grid feature is useful for quickly laying out Blocks according to a design raster. Additional Block properties. More Block properties have been added to the Block Plugin and PPS, e.g. for specifying transparency of text, image, or PDF contents placed in a Block. Leverage PDFlib 8 features with Blocks. Relevant new features of PDFlib 8 such as text output for complex scripts and OpenType layout features can be activated directly with Block properties. For example, Blocks can be filled with Arabic or Hindi text. 1.3 What’s new in PDFlib/PDFlib+PDI/PPS 8? 19
Page 1 and 2: ABC PDFlib, PDFlib+PDI, PPS A libra
Page 3 and 4: Contents 0 Applying the PDFlib Lice
Page 5 and 6: 5.2 Unicode Characters and Glyphs 1
Page 7 and 8: 8.4 Matchboxes 243 8.4.1 Decorating
Page 9 and 10: 0 Applying the PDFlib License Key R
Page 11 and 12: Licensing options. Different licens
Page 13 and 14: 1 Introduction 1.1 Roadmap to Docum
Page 15 and 16: 1.2 PDFlib Programming What is PDFl
Page 17: 1.3 What’s new in PDFlib/PDFlib+P
Page 21 and 22: 1.4 Features in PDFlib Table 1.1 li
Page 23 and 24: Table 1.1 Feature list for PDFlib t
Page 25 and 26: 1.6 Additional Features in PPS Tabl
Page 27 and 28: 2 PDFlib Language Bindings Note It
Page 29 and 30: 2.3 COM Binding COM (Component Obje
Page 31 and 32: Supply your license key at runtime
Page 33 and 34: eference calls for an int type argu
Page 35 and 36: 2.5 C++ Binding (This section is on
Page 37 and 38: 2.7 .NET Binding Note Detailed info
Page 39 and 40: 2.8 Objective-C Binding (This secti
Page 41 and 42: 2.10 PHP Binding (This section is o
Page 43 and 44: 2.12 REALbasic Binding Installing t
Page 45 and 46: 2.14 Ruby Binding (This section is
Page 47 and 48: 3 Creating PDF Documents 3.1 Genera
Page 49 and 50: Enable warning logging in the devel
Page 51 and 52: Table 3.1 Resource categories suppo
Page 53 and 54: myencoding=myencoding.enc . ICCProf
Page 55 and 56: 2 GB file size limit: The PDF/A-1 s
Page 57 and 58: Visualizing coordinates. In order t
Page 59 and 60: Table 3.2 Minimum and maximum page
Page 61 and 62: Instead of creating a path object w
Page 63 and 64: Proxy for the target page. PDFlib c
Page 65 and 66: 3.3.2 Protecting Documents with PDF
Page 67 and 68: 3.4 Web-Optimized (Linearized) PDF
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Cookbook A full code sample can be
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HKS® colors. The HKS color system
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Use the file name determined in the
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3.6 Interactive Elements Cookbook C
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3.7 Georeferenced PDF Cookbook A fu
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Examples for projected coordinate s
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4 Unicode and Legacy Encodings This
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4.2 Single-Byte (8-Bit) Encodings 8
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exclam 33 0x0021 ... If no Unicode
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p.set_parameter("SearchPath", "/pat
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Objective-C > Python > REALbasic >
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If an escape sequence cannot be res
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Character references are not substi
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5 Font Handling 5.1 Font Formats 5.
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SING fonts usually contain only a s
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5.2 Unicode Characters and Glyphs 5
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complex script shaping and OpenType
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5.3.2 Converting Unicode Values to
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5.4 Loading Fonts 5.4.1 Selecting a
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Glyphid encoding. PDFlib supports e
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If you know the character code you
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TrueType and OpenType fonts. The fo
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.tte .ttf .otf .gai .afm .pfm .ttc
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The keywords are case-insensitive.
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Caveats. Note the following when wo
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Add Gaiji characters to a font. Thi
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Legal aspects of font embedding. It
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5.6 Querying Font Information info_
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Query the font-specific name of a g
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6 Text Output 6.1 Text Output Metho
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descender = p.info_font(font, "desc
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6.3 OpenType Layout Features Cookbo
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Table 6.1 Supported OpenType featur
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will prevent them from being replac
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6.4 Complex Script Output Cookbook
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Requirements for shaping. A font fo
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6.4.3 Complex Script Shaping The sh
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You can use the writingdirx keyword
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6.5 Chinese, Japanese, and Korean T
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The keepnative option is false by d
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The vert feature (vertical writing)
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7 Importing Images and PDF Pages PD
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String optlist13 = "OPI-1.3 { ALDIm
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GIF images. PDFlib supports all GIF
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channels which are identified by na
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In order to colorize an image with
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You can not re-use individual eleme
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Encrypted PDF documents without the
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Positioning an image in the box. We
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Fig. 7.4 The rotate option Fig. 7.5
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Fig. 7.8 Adjusting the page size. L
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8 Text and Table Formatting 8.1 Pla
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Generated output Option list for fi
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To illustrate the size of the match
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Long Distance Glider with sensation
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8.2 Multi-Line Textflows In additio
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normal text. Font, font size, and e
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leftindent = 15 parindent = 20 lead
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Explicitly setting options. Note th
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leftindent = &indent parindent = -
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To fold the famous rocket looper pr
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8.2.8 Controlling the standard Line
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Our paper planes are the ideal way
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French text. As a result, the guill
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String imageoptlist = "scale=2"; p.
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8.3 Table Formatting The table form
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tbl = p.add_table_cell(tbl, 1, 1, "
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In addition, we want the baseline o
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8.3.3 Table and Column Widths When
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if (tbl == -1) throw new Exception(
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esult = p.fit_table(tbl, llx, lly,
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Figure 8.38 shows how the Textflow
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Continue the table in the next fitb
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To increase the box height to match
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Fig. 8.43 Using the image matchbox
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9 The pCOS Interface The pCOS (PDFl
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10 PDF Versions and Standards 10.1
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Table 10.1 PDFlib features which re
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10.3 PDF/X for Print Production 10.
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Table 10.2 Operations which must be
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10.3.3 Output Intent and Standard O
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Table 10.5 Compatible PDF/X input l
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10.4.2 Generating PDF/A-conforming
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Additional requirements and restric
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While PDFlib can correct certain it
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Table 10.13 Predefined XMP schemas
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tree is created in multiple travers
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All parts of a Textflow (all calls
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* 1 create header */ p.set_text_pos
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Acrobat’s Accessibility Checker.
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11 PPS and the PDFlib Block Plugin
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11.2 Overview of the Block Concept
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Table 11.1 Comparison of PDF form f
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Fig. 11.1 Visualization of Blocks I
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Fig. 11.3 Grid preferences in Acrob
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Note Do not confuse the default val
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PDFlib Blocks choose PDFlib Blocks,
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If you do not want to keep the conv
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Fig. 11.4 Preview PDF for the conta
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PDF/X-3:2002, PDF/X-3:2003 PDF/X-4,
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Placing the imported page on top of
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The third method, i.e. filling a PD
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11.6.2 Rectangle Properties Rectang
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Table 11.7 Text appearance properti
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11.6.5 Text Formatting Properties T
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Table 11.9 Text formatting properti
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Table 11.11 Fitting properties for
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11.6.7 Properties for default Conte
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Querying custom properties. Custom
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Data types for Block properties. Pr
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endobj /Name /job_title /Subtype /T
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A Revision History Date Changes Jun
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Index A Acrobat plugin for creating
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N name strings 108 in non-Unicode c
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ABC PDFlib GmbH Franziska-Bilek-Weg
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