Determine ICC output profile (name) in PDF/X output intent
Hi all, I have a PDF of which I need to determine the ICC output profile (name) of the PDF/X output intent. This is what I have in the 'content stream': <</Metadata 6 0...
View ArticleParent/child fonts problem
Hi all I'm developing a program which has been writing out servicable PDF files for a few months, with embedded Truetype fonts; the files open without problem and display correctly. However, I am now...
View ArticleColors and windows programming
I started reading about colors (Graphics chapter) in pdf reference. In windows (.NET) when we draw some color we use only the RGB format. If I want to display a filled rectangle in the screen I use...
View ArticleInverse y axis and text
When we draw in windows the origin is at the upper left point.I tranform it to the lower left with matrix M=[sc, 0, 0, -sc, 0, y] where sc is some scaling and y the height of the window.The result...
View Articlesame dictionary for document info dictionary and Page Tree
Hi, recently i came across a pdf file which had the same dictionary for the info dictionary and the page tree.Thus this "dictionary" looked like this: 5 0 obj<</Author (author) /Count 1...
View Articlexref with object number greater than trailer's size value
Hello, a client sent to us a PDF with a strange xref table. Here is what it looks like: xref0 55%% standart xref entries200001 50000052507 00000 n 0000052793 00000 n 0000053079 00000 n 0000053365...
View ArticleProgramatically Determine if a PDF file is text-searchable
I have a requirement to programatically optimize and OCR (make text-searchable) pdf files. However the source files may or may not already be text-searchable, and I don't want to process files which...
View ArticleHow to create a pdf file from multiple images ?
Dear All, I want to create a SINGLE page pdf file from two or more page size images that are combined to make a single page pdf. Again, this question is on pdfs that are made out of several, atleast...
View Articleacro 9; self signed digital id; password length
I posted the below question in the acrobat win users group earlier today...but thought it might better answered here since it will be specification or language level answered. I really need to find...
View ArticleIncremental update of forms
I am trying to do incremental update on PDF form. I created two forms using Acrobat Pro. One contains an unchecked checkbox and the other contains unselected radio button. In incremental update, the...
View Article"Data Execution Prevention Problems" with Adobe 9.3 (Win)
Dear All: I have recently submitted some applications with an Australian university, and this university has difficultiesopening my MAC-generated PDF Portfolio. They keep insisting that there may be a...
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To support Japanese font in the PDF
Hi, In my application i have supported the 14 Type 1 fonts(Standard fonts),using PDEFontCreate(&pdeFontAttrs, sizeof(pdeFontAttrs), 0, 255, 0, /* Widths*/ 0, ASAtomNull, /*Encoding*/0 , 0, 0,...
View ArticleProblem with: /W[1 3 0]
I'm writing a PDF parser and I'm trying to get cross-reference streams working. I have been able to decode the xref stream with zlib, and I've unpredicted the stream, and I've verified that all the...
View ArticleAdd / Save paragraph and characters styles in PDF
Hi all, We recently did some tests with PDF to ePub export (different settings, different tools). What we saw is that none of the tools were able to respect paragraph and text styles. They just threw...
View ArticleImplication of the Lock dictionary
Hi Forum, Hi Leonard :-) I have a question regarding the Lock dictionary of a signature field.Per definition it "[...] specifies a set of form fields that shall be locked when this signature field is...
View Articlehow to create digital signature
<</ByteRange[ 0 18705 23193 67300] /Contents<00000000000000000000000000000000000000000000000000000000000...
View ArticleWhat are the permitted compression techniques for PDF/A-1?
The PDF/A-1 standard does not specify how compression is performed. What are the permitted compression techniques for PDF/A-1? The information I have gathered (not sure if all are true) LZW should not...
View ArticleUsage Rights question
Hi, I'm working on a product which allows to generate PDF files. One of our customers has asked about enabling Usage Rights in Abode Reader for the generated documents. So I'm currently investigating...
View ArticleIf, then, javascript calculation on pdf form
I have a form with a grid which lists credit cards transaction amounts, with a drop down box for "type of credit" (visa, mastercard, discover). The bottom of the form has 3 different total lines; one...
View ArticleHow best to find syntax errors in a PDF
Hi, I want to find out the best way for an end user to identify syntax errors in a PDF, such as "expected a dict object", which might occur when a user opens the PDF. I usually find these when using...
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