go-pdfium-render

A golang libary that uses to cgo/pdfium to render pdfs to images.

Why pdfium? Because it is the best in class and because it has a BSD style license, also there will be continued development on pdfium as long as chrome is around. [0]

Install

Pdfium binaries needs to be present on your system and pkg-config should be able to find it.

I wrote my own .pc file.

prefix=/opt/pdfium
libdir=/opt/pdfium/lib
includedir=/opt/pdfium/include

Name: pdfium
Description: pdfium
Version: 3580
Requires:

Libs: -L${libdir} -lpdfium
Cflags: -I${includedir}

Resources

[0] https://tinyurl.com/yd5fb2rz (PDF rendering engine performance and fidelity comparison)
[2] https://pdfium.googlesource.com/pdfium/+/HEAD/docs/getting-started.md
[3] https://karthikkaranth.me/blog/calling-c-code-from-go/
[4] https://github.com/arrieta/golang-cpp-basic-example
[5] https://groups.google.com/forum/#!topic/pdfium/r6KCGo6q7Fo
[6] https://github.com/cgilling/build-pdfium
[7] http://cdn01.foxitsoftware.com/pub/foxit/manual/enu/FoxitPDF_SDK20_Guide.pdf
[8] https://github.com/bblanchon/pdfium-binaries
[9] https://tinyurl.com/y8s3aen5 (libvips)

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License

Hi!

would it be possible to add a LICENSE file to this repository or state the license this code is published under somewhere in the README?
Unfortunately the license checker we use flags this dependency since no compatible license was found.

Kind regards

Write Tests for go-pdfium-render

Semver and release

Dockerize

Hi,

I see some good work you've did here. I think dockerizing this app and setting it with HTTP requests would be very beneficial for everyone in regards to PDF to Image conversions.

Can you share the complete build process here for ubuntu 16.04? I'm not very familiar with pc files and not very sure how important is it to achieve successful build for this app. I can help dockerizing it if need so.

Thanks

Create a small example

Empty png files

First at all, many thanks for sharing your code! That was quite helpful. I wonder though: Did you ever notice that iterating over pages of a PDF file will produce empty PNG files? I do not know why, seems to be quite random, but using it on larger PDFs it will generate a lot of empty images.

Added CI

Request : Add wrapper for FPDF_SaveAsCopy function

Hi,

Thanks for the wrapper. This helps me to parse pdfs and create images with pdfium.

Can you also provide a wrapper for FPDF_SaveAsCopy function in here?

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