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5.2 Font Format Details5.2.1 PostScript Type 1 FontsPostScript font file formats. PostScript Type 1 fonts are always split in two parts: theactual outline data and the metrics information. PDFlib supports the following file formatsfor PostScript Type 1 outline and metrics data on all platforms:> The platform-independent AFM (Adobe Font Metrics) and the Windows-specific PFM(Printer Font Metrics) format for metrics information. While AFM-based font metricscan be rearranged to any encoding supported by the font, common PFM metrics filesfor Western fonts (code page 1252) can only be used with the following encodings:auto, winansi, iso8859-1, unicode, ebcdic. PFM files for symbol fonts can be used withbuiltin encoding. PFM files for other code pages can be used with an encoding whichmatches the code page in the PFM (or any subset thereof), or with encoding builtin tochoose the PFM’s internal code page, or with unicode. For example, a PFM for a cyrillicfont can be used with the encodings cp1250, builtin, and unicode. Encoding auto willselect an appropriate encoding automatically.> The platform-independent PFA (Printer Font ASCII) and the Windows-specific PFB(Printer Font Binary) format for font outline information in the PostScript Type 1 format,(sometimes also called »ATM fonts«).> On the Mac, resource-based PostScript Type 1 fonts, i.e. LWFN (LaserWriter Font) outlinefonts, are also supported. These are accompanied by a font suitcase (FOND resource,or FFIL) which contains metrics data (plus screen fonts, which will be ignoredby PDFlib). PostScript host fonts can be used with the followings encodings: auto,macroman, macroman_apple, unicode, and builtin. However, macroman and macroman_apple may not be accepted for some fonts subject to the glyph complement of thefont.When working with PostScript host fonts the LWFN file must be placed in the samedirectory as the font suitcase, and must be named according to the 5+3+3 rule. Notethat PostScript host fonts are not supported in Carbon-less (Classic) builds of PDFlib.> OpenType fonts with PostScript outlines (*.otf).PostScript font names. If you are working with font files you can use arbitrary aliasnames (see section »Sources of Font Data«, page 101). If you want to know the font’s internalname there are several possibilities to determine it:> Open the font outline file (*.pfa or *.pfb), and look for the string after the entry/FontName. Omit the leading / character from this entry, and use the remainder asthe font name.> If you are working with Windows 2000/XP or Mac OS X 10.4 or above you can doubleclickthe font file and will see a font sample along with the PostScript name of thefont.> Open the AFM metrics file and look for the string after the entry FontName.Note The PostScript font name may differ substantially from the Windows font menu name, e.g.»AvantGarde-Demi« (PostScript name) vs. »AvantGarde, Bold« (Windows font menu name).Also, the font name as given in any Windows .inf file is not relevant for use with PDF.98 Chapter 5: Font Handling
PostScript glyph names. In order to write a custom encoding file or find fonts whichcan be used with one of the supplied encodings you will have to find information aboutthe exact definition of the character set to be defined by the encoding, as well as theglyph names used in the font files. You must also ensure that a chosen font provides allnecessary characters for the encoding. If you happen to have the FontLab 1 font editor(by the way, a great tool for dealing with all kinds of font and encoding issues), you mayuse it to find out about the encodings supported by a given font (look for »code pages«in the FontLab documentation). 2For the convenience of PDFlib users, the PostScript program print_glyphs.ps in the distributionfileset can be used to find the names of all characters contained in a PostScriptfont. In order to use it, enter the name of the font at the end of the PostScript file andsend it (along with the font) to a PostScript printer or convert it to PDF with Acrobat Distiller.The program will print all glyphs in the font, sorted alphabetically by glyph name.In order to address glyphs in a font by their name you can use PDFlib’s syntax forglyph names (see Section 4.6.2, »Character References and Glyph Name References«,page 89).5.2.2 TrueType and OpenType FontsTrueType and OpenType file formats. TT and OT font files are self-contained: they containall required information in a single file. PDFlib supports the following file formatsfor TrueType and OpenType fonts:> Windows TrueType fonts (*.ttf), including CJK fonts> Platform-independent OpenType fonts with TrueType (*.ttf) or PostScript outlines(*.otf), including CJK fonts.> TrueType collections (*.ttc) with multiple fonts in a single file (mostly used for CJKfonts)> End-user defined character (EUDC) fonts (*.tte) created with Microsoft’s eudcedit.exetool.> On the Mac any TrueType font installed on the system (including .dfont) can also beused in PDFlib.TrueType and OpenType font names. If you are working with font files you can use arbitraryalias names (see Section , »Sources of Font Data«, page 101). In the generated PDFthe name of a TrueType font may differ from the name used in PDFlib (or Windows).This is normal, and results from the fact that PDF uses the PostScript name of a True-Type font, which differs from its genuine TrueType name (e.g., TimesNewRomanPSMT vs.Times New Roman).5.2.3 User-Defined (Type 3) FontsType 3 fonts in PDF (as opposed to PostScript Type 3 fonts) are not actually a file format.Instead, the glyphs in a Type 3 font must be defined at runtime with standard PDFlibgraphics functions. Since all PDFlib features for vector graphics, raster images, and eventext output can be used in Type 3 font definitions, there are no restrictions regarding1. See www.fontlab.com2. Information about the glyph names used in PostScript fonts can be found at partners.adobe.com/asn/tech/type/unicodegn.jsp (although font vendors are not required to follow these glyph naming recommendations).5.2 Font Format Details 99
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PDFlib GmbH München, Germanywww.pd
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Contents0 Applying the PDFlib Licen
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5.6.1 Standard CJK Fonts 1165.6.2 C
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10.2.2 Block Properties 22710.2.3 W
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0 Applying the PDFlib License KeyAl
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Licensing options. Different licens
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PDFlib TET (Text Extraction Toolkit
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PDFlib can be integrated directly i
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Improved handling of Chinese, Japan
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1.4 Features in PDFlib/PDFlib+PDI/P
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1.5 Availability of Features in dif
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24 Chapter 1: Introduction
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2.2 COM Binding(This section is onl
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necessary. After fatal exceptions t
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2.4 C++ BindingIn addition to the p
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PDFlib servlets and Java applicatio
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2.6 .NET Binding(This section is on
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More than one way of String handlin
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PHP on Windows will find files with
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2.10 REALbasic Binding 1(This secti
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Now you can compile your program us
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2.13 Tcl BindingInstalling the PDFl
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Error policies. When PDFlib detects
Page 48 and 49: plied), but only the corresponding
Page 50 and 51: name exactly as supplied and try to
Page 52 and 53: 3.1.4 Generating PDF Documents in M
Page 54 and 55: 3.2 Page Descriptions3.2.1 Coordina
Page 56 and 57: In order to facilitate the use of t
Page 58 and 59: Merely constructing a path doesn’
Page 60 and 61: 3.3 Working with ColorNote The PDFl
Page 62 and 63: where is the identifier of the col
Page 64 and 65: Rendering Intents. Although PDFlib
Page 66 and 67: p.set_parameter("errorpolicy", "ret
Page 68 and 69: with a thin black border. Initially
Page 70 and 71: }p.begin_page_ext(pagewidth, pagehe
Page 72 and 73: Table 3.5 Parameters for the JavaSc
Page 74 and 75: 4.2 Important Unicode ConceptsChara
Page 76 and 77: 4.3 Strings in PDFlib4.3.1 String T
Page 78 and 79: EBCDIC UTF-8 BOM). If the usehypert
Page 80 and 81: values 0x7B and 0x7D must be preced
Page 82 and 83: Table 4.4 Availability of glyphs fo
Page 84 and 85: exclam 33 0x0021...If no Unicode va
Page 86 and 87: Table 4.5 Predefined CMaps for Japa
Page 88 and 89: 4.6 Addressing Characters and Glyph
Page 90 and 91: Table 4.8 Control characters and th
Page 92 and 93: glyphcheck=replace: silent approach
Page 94 and 95: 94 Chapter 4: Unicode and Legacy En
Page 96 and 97: 5.1.2 Font EncodingsAll fonts for t
Page 100 and 101: the contents of the characters in a
Page 102 and 103: Path resource category (again, the
Page 104 and 105: When working with host fonts it is
Page 106 and 107: Note The Leopard builds of PDFlib (
Page 108 and 109: put by default. For encodings which
Page 110 and 111: 5.4.2 Glyph ID Addressing for TrueT
Page 112 and 113: 5.5 Font Metrics and Text Variation
Page 114 and 115: Temporarily disabling kerning may b
Page 116 and 117: 5.6 Chinese, Japanese, and Korean F
Page 118 and 119: CJK host font names on Windows can
Page 120 and 121: 120 Chapter 5: Font Handling
Page 122 and 123: tion) if the user coordinate system
Page 124 and 125: color: black and white, grayscale,
Page 126 and 127: PDFlib supports three kinds of tran
Page 128 and 129: BMP> PNG> JPEG> TIFF> GIFFor images
Page 130 and 131: 6.2 Importing PDF Pages with PDI (P
Page 132 and 133: Alternatively, you can use the pdiu
Page 134 and 135: 20Kraxitext on top right of the box
Page 136 and 137: can be used. In Figure 7.5h the tex
Page 138 and 139: 7.1.5 Placing a StampCookbook A ful
Page 140 and 141: 7.2 Multi-Line TextflowsIn addition
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leftindent = &indentparindent = - &
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To fold the famous rocket looper pr
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Our paper planes are the ideal way
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Our paper planesare the ideal way o
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p.fit_textflow(textflow, left_x, le
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7.3 Placing Images and Imported PDF
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Fig. 7.28 Fitting an image into a b
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Fitting an oriented image into a bo
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7.4 Table FormattingThe table forma
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tbl = p.add_table_cell(tbl, 1, 1, "
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cell border as the Material text. T
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those width values will implicitly
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column defining a column width of 1
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The table in Figure 7.42 is spread
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Splitting a row. If the last body d
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To increase the box height to match
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Fig. 7.48 Using the image matchbox
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size of a page. Determining the pag
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8.3 Composite Data Structures and I
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Table 8.2 pCOS path prefixesprefixl
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Table 8.3 Universal pseudo objectso
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Table 8.4 Pseudo objects for PDF ob
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Table 8.5 Pseudo objects for resour
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194 Chapter 8: The pCOS Interface
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Table 9.2 PDFlib features for PDF 1
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to disable any access restrictions.
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Table 9.4 Access restriction keywor
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9.4 PDF/X for Print Production9.4.1
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Table 9.6 Operations which must be
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work as a full PDF/X validator or t
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9.5.2 Generating PDF/A-conforming O
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Table 9.11 Additional requirements
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This statement will retrieve a stri
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Table 9.16 Predefined XMP schemas f
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9.6 Tagged PDFTagged PDF is a certa
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quired, but will enhance the qualit
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* 1 create top part of left column
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optlist = "Title=Insert parent=" +
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exported to other formats. If the A
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Click Add... and select the PDFlib
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scaling factor or rotation. For eac
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10.3 Using the PDFlib Block Plugin
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next step other objects which are p
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Use Ctrl-V (on Windows) or Cmd-V (o
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Associating form fields with corres
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Property overrides can be achieved
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10.5 Standard Properties for Automa
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10.5.2 Text PropertiesText-related
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Table 10.6 Textflow block propertie
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Table 10.6 Textflow block propertie
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10.6 Querying Block Names and Prope
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10.7 PDFlib Block SpecificationThe
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Example. The following fragment sho
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254 Chapter 10: Variable Data and B
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256
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Ffeatures of PDFlib 20fill 57font m
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TrimBox 57TrueType fonts 95TTC (Tru
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