wok diff qpdf/description.txt @ rev 25680
updated gnu-efi (3.0.14 -> 3.0.17)
author | Hans-G?nter Theisgen |
---|---|
date | Mon Mar 18 18:46:02 2024 +0100 (5 months ago) |
parents | c861748f2be2 |
children |
line diff
1.1 --- a/qpdf/description.txt Mon Nov 08 17:10:43 2021 +0100 1.2 +++ b/qpdf/description.txt Mon Mar 18 18:46:02 2024 +0100 1.3 @@ -1,25 +1,36 @@ 1.4 -QPDF is a command-line program that does structural, content-preserving transformations on PDF files. 1.5 +QPDF is a command-line program that does structural, content-preserving 1.6 +transformations on PDF files. 1.7 It could have been called something like pdf-to-pdf. 1.8 -It also provides many useful capabilities to developers of PDF-producing software or for people 1.9 -who just want to look at the innards of a PDF file to learn more about how they work. 1.10 +It also provides many useful capabilities to developers of PDF-producing 1.11 +software or for people who just want to look at the innards of a PDF 1.12 +file to learn more about how they work. 1.13 1.14 -QPDF is capable of creating linearized (also known as web-optimized) files and encrypted files. 1.15 -It is also capable of converting PDF files with object streams (also known as compressed objects) 1.16 -to files with no compressed objects or to generate object streams from files that don't have them 1.17 -(or even those that already do). 1.18 -QPDF also supports a special mode designed to allow you to edit the content of PDF files in a text editor. 1.19 +QPDF is capable of creating linearized (also known as web-optimized) 1.20 +files and encrypted files. 1.21 +It is also capable of converting PDF files with object streams (also 1.22 +known as compressed objects) to files with no compressed objects or to 1.23 +generate object streams from files that don't have them (or even those 1.24 +that already do). 1.25 +QPDF also supports a special mode designed to allow you to edit the 1.26 +content of PDF files in a text editor. 1.27 1.28 -QPDF includes support for merging and splitting PDFs through the ability to copy objects from one PDF file 1.29 -into another and to manipulate the list of pages in a PDF file. 1.30 -The QPDF library also makes it possible for you to create PDF files from scratch. In this mode, 1.31 -you are responsible for supplying all the contents of the file, while the QPDF library takes care off all 1.32 -the syntactical representation of the objects, creation of cross references tables and, if you use them, 1.33 -object streams, encryption, linearization, and other syntactic details. 1.34 +QPDF includes support for merging and splitting PDFs through the ability 1.35 +to copy objects from one PDF file into another and to manipulate the list 1.36 +of pages in a PDF file. 1.37 +The QPDF library also makes it possible for you to create PDF files from 1.38 +scratch. In this mode, you are responsible for supplying all the contents 1.39 +of the file, while the QPDF library takes care off all the syntactical 1.40 +representation of the objects, creation of cross references tables and, 1.41 +if you use them, object streams, encryption, linearization, and other 1.42 +syntactic details. 1.43 1.44 -QPDF is not a PDF content creation library, a PDF viewer, or a program capable of converting PDF into 1.45 -other formats. In particular, QPDF knows nothing about the semantics of PDF content streams. 1.46 -If you are looking for something that can do that, you should look elsewhere. 1.47 -However, once you have a valid PDF file, QPDF can be used to transform that file in ways perhaps your 1.48 -original PDF creation can't handle. 1.49 -For example, programs generate simple PDF files but can't password-protect them, web-optimize them, 1.50 -or perform other transformations of that type. 1.51 \ No newline at end of file 1.52 +QPDF is not a PDF content creation library, a PDF viewer, or a program 1.53 +capable of converting PDF into other formats. In particular, QPDF knows 1.54 +nothing about the semantics of PDF content streams. 1.55 +If you are looking for something that can do that, you should look 1.56 +elsewhere. 1.57 +However, once you have a valid PDF file, QPDF can be used to transform 1.58 +that file in ways perhaps your original PDF creation can't handle. 1.59 +For example, programs generate simple PDF files but can't 1.60 +password-protect them, web-optimize them, or perform other 1.61 +transformations of that type. 1.62 \ No newline at end of file