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                           Figures
2.1    Creating PDF files using the Adobe PDF printer 44
2.2    Creating PDF files using Acrobat Distiller 45
3.1    PDF components 48
3.2    Initial structure of a PDF file 91
3.3    Structure of an updated PDF file 100
3.4    Public-key encryption algorithm 130
3.5    Structure of a PDF document 138
3.6    Inheritance of attributes 149
3.7    Relationship between string types 158
3.8    Mapping with the Decode array 173
4.1    Graphics objects 197
4.2    Device space 200
4.3    User space 202
4.4    Relationships among coordinate systems 204
4.5    Effects of coordinate transformations 205
4.6    Effect of transformation order 206
4.7    Miter length 217
4.8    Cubic Bézier curve generated by the c operator 228
4.9    Cubic Bézier curves generated by the v and y operators 229
4.10   Nonzero winding number rule 233
4.11   Even-odd rule 234
4.12   Color specification 238
4.13   Color rendering 239
4.14   Component transformations in a CIE-based ABC color space 245
4.15   Component transformations in a CIE-based A color space 246
4.16   Starting a new triangle in a free-form Gouraud-shaded triangle mesh 316
4.17   Connecting triangles in a free-form Gouraud-shaded triangle mesh 317
4.18   Varying the value of the edge flag to create different shapes 318
4.19   Lattice-form triangle meshes 319
4.20   Coordinate mapping from a unit square to a four-sided Coons patch 322
4.21   Painted area and boundary of a Coons patch 323
4.22   Color values and edge flags in Coons patch meshes 325
4.23   Edge connections in a Coons patch mesh 326
4.24   Control points in a tensor-product patch 328
4.25   Typical sampled image 334
4.26   Source image coordinate system 338
4.27   Mapping the source image 338


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