1251
Index
fully opaque 573-574 usage application dictionary 382-383, 386
generation number. See generation numbers OCMD object type 366
hierarchy 137, 713 OCProperties entry (document catalog) 141, 375, 385
identifier. See object identifiers
OEB (Open eBook) file format
indirect references. See indirect object references
standard attribute owner 914
length 40
Tagged PDF 893
as logical structure content items 857, 859, 861, 868-
869 OEB-1.00 standard attribute owner 914-915
number. See object numbers Off appearance state
processing 41 check box field 686
subtype. See object subtypes radio button field 689
syntax 51-65 OFF entry (optional content configuration dictionary)
topmost 573 376
type. See object types OFF state (optional content groups) 365-367, 371, 376,
See also 378, 382-383, 385, 667-668
array objects offset printing presses 974
boolean objects
OID entry (certificate seed value dictionary) 701
compressed objects
dictionary objects OLE (Object Linking and Embedding) 98
direct objects ON entry (optional content configuration dictionary) 376
external objects (XObjects) ON state (optional content groups) 365-367, 371, 376, 378,
form XObjects 382-383, 385, 667-668
function objects Once play mode (movie) 786
graphics objects OneColumn page layout 140
group XObjects
image XObjects OnInstantiate entry (3D stream dictionary) 797-798
indirect objects Online annotation usage rights 735
inline image objects Online form usage rights 735
integer objects OP entry
multimedia objects graphics state parameter dictionary 221, 284, 743
null object (null) rendition action dictionary 669
numeric objects op entry (graphics state parameter dictionary) 221, 284
page objects opacity 35, 195, 514-515
path objects alpha source parameter 212, 223, 341
PostScript XObjects anti-aliasing 527
real objects
backdrop 529
reference XObjects
in basic compositing formula 518
shading objects
computation 526-529
stream objects
current alpha constant 212, 222, 341
string objects
fully opaque objects 573-574
text objects
in JPEG2000 images 88
transparency group XObjects
notation for 517
OBJR object type 868 soft masks 516, 527, 550
ObjStm object type 101 specifying 549-551
OC entry See also
alternate image dictionary 347, 349 constant opacity
annotation dictionary 608 group opacity
image dictionary 343, 349, 374 mask opacity
type 1 form dictionary 360 object opacity
OC marked-content tag 370-371 result opacity
OCG object type 364 source opacity
OCGs entry opacity constant 527
optional content membership dictionary 366-367, 372 opaque imaging model 35, 514, 1112
optional content properties dictionary 375 clipping 516, 545