Parse XREF table and stream
I open Pdf Reference 1.7 file with a binary viewer program and I want to parse the xref data.At the end of file is:startxref129%%EOF At offset 129 is the linearization xref-table with 817 entries and...
View ArticleCharacter Positions in a PDF
I already have a program that takes a pdf page and converts it into a jpeg.I'm trying to write a program that finds a bounding box for each character on the page so that I can then highlight this text...
View ArticlePDF debugging tools?
Are there any pdf "debugging" tools available, and if, what are they called? When trying to generate some PDF-files from scratch it is sometimes quite a bit of work trying to figure out where the...
View Articleincorrect checkbox appearance
Hello everyone, I'm working on a program that generates interactive forms in PDF. I'd like to add a checkbox on the page but there is problem. When the checbox has focus, everything works ok. When the...
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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 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 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 Articlehow can i get the unicode value from a simple font with a difference array
dear all i want to extract the cjk from the pdf but at the document it dose not have a tounicode ,so i dont know how to get the unicode value.10 0 obj<</Length 11 0 R/Filter...
View ArticleHotlinks in PDF
I'm creating a Word document with hotlinks, and I would need them to be active when I convert from Word to a PDF document. Links that are in the document will the "www" are active and will link me to...
View ArticleGet UTF-16 characters into PDF Document
I am trying to figure out how to get unicode characters that don't begin with \u00 to render as PDF.The following PDF works fine, because the Unicode character i'm tryng to render starts with...
View ArticleAdd Written Signature to PDF
I want to add a written signature to an existing PDF document. I would prefer to use an Image XObject in an annotation, but unless I'm overlooking it, there doesn't appear to be a way to create an...
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 ArticlePDF/VT
Hi all, Anyone aware of good sources with (background) information about PDF/VT (not too technical, but enough to understand the general idea and concept of PDF/VT, the way it is condstructed, so you...
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 ArticleFind the tx position from operator TJ
Hi, I am a beginner in PDF and have read the PDF reference a few times.however, I still have some questions on the positioning of x, y in Operator TJ. Hopefully, there are many masters here that can...
View Article"There was an error processing a page. Invalid Function resource."
I've got a PDF file that I'm trying to split up its pages. The resulting page gives the error: "There was an error processing a page. Invalid Function resource." I've looked at each object, and other...
View ArticleIdentity-H, CMap and troubles choosing predefined encodings
I'm trying to parse certain pdf document on Mac OS X. The pages have embeded CID () fonts with Identity-H encoding. The font itself is Type0 font with CIDFontType2 descendant font. I'm able to extract...
View ArticleBaseFont and FontName must be equals?
I have trouble with an PDF/A document and some readers we are using: - Acrobat (Reader) 9.X works fine- Acrobat (Reader) 6.X and our own inhouse reader have problems I tracked it down to the following...
View ArticleStandard 14 fonts embedding
Hello, I read several times carefully the table 111 of ISO-32000, and always bear in mind that "Beginning with PDF 1.5, the special treatment given to the standard 14fonts is deprecated. Conforming...
View ArticleAdding XRef table to PDF w/ XRef streams?
I'm trying to fill in interactive form annotations by appending the PDF with updated versions of the annotation objects. I'm following the example in the appendix of the PDF spec for adding/modifying...
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