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97 lines
2.7 KiB
Markdown
97 lines
2.7 KiB
Markdown
pdfio - PDF Read/Write Library
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==============================
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[](https://github.com/michaelrsweet/pdfio/actions/workflows/build.yml)
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[](https://scan.coverity.com/projects/michaelrsweet-pdfio)
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PDFio is a simple C library for reading and writing PDF files. The primary
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goals of PDFio are:
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- Read and write any version of PDF file
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- Provide access to pages, objects, and streams within a PDF file
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- Support reading and writing of encrypted PDF files
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- Extract or embed useful metadata (author, creator, page information, etc.)
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- "Filter" PDF files, for example to extract a range of pages or to embed fonts
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that are missing from a PDF
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- Provide access to objects used for each page
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PDFio is *not* concerned with rendering or viewing a PDF file, although a PDF
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RIP or viewer could be written using it.
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Requirements
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------------
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PDFio requires the following to build the software:
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- A C99 compiler such as Clang, GCC, or MS Visual C
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- A POSIX-compliant `make` program
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- ZLIB (<https://www.zlib.net>) 1.1 or higher
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IDE files for Xcode (macOS/iOS) and Visual Studio (Windows) are also provided.
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Documentation
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-------------
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See the man page (`pdfio.3`) and full HTML documentation (`pdfio.html`) for
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information on using PDFio.
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Installing PDFio
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----------------
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PDFio uses a configure script on Unix systems to generate a makefile:
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./configure
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If you want a shared library, run:
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./configure --enable-shared
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The default installation location is "/usr/local". Pass the `--prefix` option
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to make to install it to another location:
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./configure --prefix=/some/other/directory
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Once configured, run the following to make the library:
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make all
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To test it, run:
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make test
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To install it, run:
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sudo make install
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Visual Studio Project
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---------------------
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The Visual Studio solution ("pdfio.sln") is provided for Windows developers and
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generates the PDFIO1 DLL. You can also use NuGet to install the `pdfio_native`
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package.
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Xcode Project
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-------------
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There is also an Xcode project ("pdfio.xcodeproj") you can use on macOS which
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generates a static library that will be installed under "/usr/local" with:
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sudo xcodebuild install
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Legal Stuff
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-----------
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PDFio is Copyright © 2021-2024 by Michael R Sweet.
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This software is licensed under the Apache License Version 2.0 with an
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(optional) exception to allow linking against GPL2/LGPL2 software. See the
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files "LICENSE" and "NOTICE" for more information.
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