PDFlib 8 Windows COM/.NET Tutorial

5.2 Unicode Characters and Glyphs 121
5.2.1 Glyph IDs 121
5.2.2 Unicode Mappings for Glyphs 121
5.2.3 Unicode Control Characters 122
5.3 The Text Processing Pipeline 124
5.3.1 Normalizing Input Strings to Unicode 124
5.3.2 Converting Unicode Values to Glyph IDs 125
5.3.3 Transforming Glyph IDs 126
5.4 Loading Fonts 127
5.4.1 Selecting an Encoding for Text Fonts 127
5.4.2 Selecting an Encoding for symbolic Fonts 129
5.4.3 Example: Selecting a Glyph from the Wingdings Symbol Font 130
5.4.4 Searching for Fonts 132
5.4.5 Host Fonts on Windows and Mac OS X 137
5.4.6 Fallback Fonts 139
5.5 Font Embedding and Subsetting 143
5.5.1 Font Embedding 143
5.5.2 Font Subsetting 144
5.6 Querying Font Information 146
5.6.1 Font-independent Encoding, Unicode, and Glyph Name Queries 146
5.6.2 Font-specific Encoding, Unicode, and Glyph Name Queries 147
5.6.3 Querying Codepage Coverage and Fallback Fonts 148
6 Text Output 151
6.1 Text Output Methods 151
6.2 Font Metrics and Text Variations 153
6.2.1 Font and Glyph Metrics 153
6.2.2 Kerning 154
6.2.3 Text Variations 155
6.3 OpenType Layout Features 158
6.3.1 Supported OpenType Layout Features 158
6.3.2 OpenType Layout Features with Textlines and Textflows 160
6.4 Complex Script Output 164
6.4.1 Complex Scripts 164
6.4.2 Script and Language 166
6.4.3 Complex Script Shaping 168
6.4.4 Bidirectional Formatting 168
6.4.5 Arabic Text Formatting 170
6.5 Chinese, Japanese, and Korean Text Output 172
6.5.1 Standard CJK Fonts 172
6.5.2 Custom CJK Fonts 174
6.5.3 EUDC and SING Fonts for Gaiji Characters 175
6.5.4 OpenType Layout Features for advanced CJK Text Output 176
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