mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2024-12-27 08:42:48 +01:00
106 lines
4.5 KiB
Plaintext
106 lines
4.5 KiB
Plaintext
|
|
Conformance to PDF 2.0 specification notes and tasks:
|
|
|
|
Section 1: OK
|
|
Section 2: OK
|
|
Section 3: OK
|
|
Section 4: OK
|
|
Section 5: OK
|
|
Section 6: OK
|
|
|
|
Section 7: Issues
|
|
- 7.4.7 JBIG2 decoder ammendments 1 and 2 not implemented
|
|
- 7.6.5 Public-key security handlers not implemented
|
|
- 7.6.7 Unencrypted wrapper document not implemented
|
|
- 7.10.2 Only linear interpolation for sampled function is performed
|
|
|
|
Section 8: Issues
|
|
- 8.3.2.3 In user space, 1 / 72 inch is used, no UserUnit entry is used
|
|
- 8.6.3 transfer functions and halftones are not used at all, color
|
|
management system is used to convert colors
|
|
- 8.6.5.6 No device to default color space is performed. Device color
|
|
spaces can be set in color management system.
|
|
- 8.6.5.8 default rendering intent is perceptual instead of relative colorimetric
|
|
- 8.6.5.9 Black point compensation is user setting, graphic state setting
|
|
is not respected (it is ignored)
|
|
- 8.6.7 Overprint not implemented
|
|
- 8.10.2 Some form dictionary entries, in table 93, are not all being processed
|
|
- 8.10.4 Reference XObject is not supported. Instead, proxy is displayed.
|
|
|
|
Section 9: Issues
|
|
- 9.3.2 Negative font size is not supported
|
|
- 9.3.8 Text knockout not implemented
|
|
- 9.5 Some type of fonts not supported yet (CIDFont, some others)
|
|
- 9.6.2.1 Missing width is not used for missing characters
|
|
- 9.6.4 d1 operator incorrectly doesn't ignore color/alpha operators
|
|
- 9.7.4 CIDSystemInfo ignored in Table 115
|
|
|
|
Section 10: Issues
|
|
- Color management system is used for color conversions. This can
|
|
be turned of, and in that case, methods from 10.4.2 are used.
|
|
Undercolor removal and black generation are not used.
|
|
- 10.6 Halftoning is not implemented
|
|
- 10.7.2 Flatness is ignored
|
|
- 10.7.3 Smoothness is ignored
|
|
- 10.7.5 Automatic stroke adjustment is ignored
|
|
- 10.8 Separations are not produced
|
|
- 10.8.3 Separation simulation is not performed
|
|
|
|
Section 11: Implemented partially
|
|
- Transparency is not implemented in regular Qt's painter,
|
|
but separate transparency renderer exist, which can render
|
|
also spot colors
|
|
|
|
Section 12: Issues
|
|
- 12.3.2.2 Destinations are used only to leap on specified page,
|
|
position on page or fit hints are ignored
|
|
- 12.3.5.2 File collection folders are ignored, files are
|
|
displayed in a single list
|
|
- 12.3.6 Navigator for file collections is ignored
|
|
- 12.4.2 Page indices are used instead of labels
|
|
- 12.4.4 Presentations are not implemented
|
|
- 12.5.5 Annotation's transparency group is ignored
|
|
- 12.5.6.3 Annotation's states are not implemented in viewer
|
|
- 12.5.6.22 Watermark annotation - matrix and fixed print entry is not used
|
|
- 12.6.3 Some trigger events are not executed or not implemented
|
|
- 12.6.4 Some action are not executed in viewer
|
|
- 12.6.4.8 URI actions doesn't use IsMap
|
|
- 12.7.4.3 Variable text is implemented by Qt's QTextLayout
|
|
and drawing, pdf's specific default appearance strings,
|
|
and rich text is not implemented. This doesn't conform
|
|
to PDF specification, but all unicode characters can be used.
|
|
- 12.7.5.5 Signature field locking not implemented and signature
|
|
seed dictionary is ignored
|
|
- 12.7.6.2 Sumbit form action not implemented in viewer
|
|
- 12.7.6.4 Import data action not implemented in viewer
|
|
- 12.7.8 Form data format not implemented
|
|
- 12.8 Modification detection using UR3/DocMDP method is not
|
|
used, if signature is not valid, then it is not checked for
|
|
modifications
|
|
- 12.8 OCSP (Online Certificate Status Protocol) is not performed
|
|
- 12.8.4 Long term validation of signatures not performed
|
|
- 12.8.4.5 Validation data in custom VRI are not used, instead of them,
|
|
validation data in DSS or embedded in the signature are used
|
|
- 12.8.5 Document timestamp dictionary not implemented
|
|
- 12.8.6 Permissions not implemented
|
|
- 12.9 Measure feature not implemented
|
|
- 12.10 Geospatial features not implemented
|
|
|
|
Section 13: Not implemented
|
|
- Multimedia features not implemented (except some classes, which
|
|
can read the data for multimedia - movies, sounds...)
|
|
|
|
Section 14: Issues
|
|
- 14.3 Document metadata stream is not processed
|
|
- 14.4 Modifiable file identifier is not updated
|
|
- 14.5 Page-piece dictionaries not implemented
|
|
- 14.9 Accessibility support not implemented
|
|
- 14.10 Web capture not implemented
|
|
- 14.11 Prepress support not implemented at all, only
|
|
basic functionality works (media box, crop box, or,
|
|
for example, reading output intents)
|
|
- 14.12 Document parts not implemented
|
|
|
|
Annex F: Not implemented
|
|
- Linearized PDF not implemented
|