Dynamic Web TWAIN: Which kind of PDF files are supported?

For Dynamic Web TWAIN ActiveX, Plugin and HTML5 Editions, we can only ensure images
generated by Dynamic Web TWAIN can be loaded into the control successfully.

Below is a sample B/W PDF image file generated by Dynamic Web TWAIN. It includes
the following minimum PDF objects:

  1. Catalog
  2. Pages (page tree node)
  3. Page (page object)
  4. Content stream
  5. Procedure set array

Supported Filter Types:

Auto mode 1, 4, 8, 24 bit
CCITT Group 3 fax encoding 1 bit
CCITT Group 4 fax encoding 1 bit
Lempel-Ziv & Welch 1, 4, 8, 24 bit
CCITT modified Huffman RLE 1 bit
 JPEG encoding 4, 8, 24 bit

%PDF-1.4
1 0 obj
<<
/Creator ()
/CreationDate (20120917222044)
/ModDate (20120917222044)
/Author ()
/Producer ()
/Title ()
/Subject ()
/Keywords ()
>>
endobj
2 0 obj
<<
/Type /Catalog
/Pages 3 0 R
>>
endobj
3 0 obj
<<
/Type /Pages
/Kids [4 0 R ]
/Count 1
/MediaBox [0 0 0 0]
>>
endobj
4 0 obj
<<
/Type /Page
/Parent 3 0 R
/MediaBox [0 0 612 792]
/Resources
<<
/XObject << /Im0 7 0 R >>
/ProcSet 6 0 R
>>
/Contents [5 0 R]
>>
endobj
5 0 obj
<<
/Length 30
>>
stream
q
612 0 0 792 0 0 cm
/Im0 Do
Q
endstream
endobj
6 0 obj
[ /PDF /ImageI ]
endobj
7 0 obj
<<
/Type /XObject
/Subtype /Image
/Name /Im0
/Filter /CCITTFaxDecode
/DecodeParms << /K -1 /Columns 850 /Rows 1100>>
/ColorSpace 9 0 R
/Width 850
/Height 1100
/BitsPerComponent 1
/Length 8 0 R
>>
stream
---stream content---
endstream
endobj
8 0 obj
1632
endobj
9 0 obj
/DeviceGray
endobj
xref
0 10
0000000000 65535 f
0000000009 00000 n
0000000158 00000 n
0000000207 00000 n
0000000285 00000 n
0000000433 00000 n
0000000513 00000 n
0000000545 00000 n
0000002406 00000 n
0000002426 00000 n
trailer
<<
/Size 10
/Root 2 0 R
/Info 1 0 R
>>
startxref
2453
%%EOF

Dynamic Web TWAIN Mac Edition is based on Cocoa Framework and can load basically all PDF formats.

References:

Dynamic Web TWAIN Edition Comparision


PDF Reference