rabarbar's Introduction

Rabarbar

Yet another website screenshot tool

Rabarbar is a simple website screenshot utility based on Qt Web Engine (Chromium), created for Miniature.io.

Usage

./rabarbar --url https://github.com --width 640 --height 1136 --out sample.png
./rabarbar --url https://cepa.io --width 1280 --height 1024 --out screenshot.png
./rabarbar --url https://cepa.io --width 1280 --height 1024 --out screenshot.pdf --pdf-orientation=landscape --pdf-paper-size=a4

Parameter	Required	Description
url	yes	Website URL address.
out	yes	Output filename.
width	no	Screenshot width in pixels, default 1024.
height	no	Screenshot height in pixels, default 1024.
delay	no	Number of seconds to wait before grabbing a shot once the website is fully loaded.
timeout	no	Max wait time for a page to be loaded in seconds.
user-agent	no	Custom browser user agent.
referer	no	Custom referer.
pdf-orientation	no	PDF orientation (portrait, landscape).
pdf-paper-size	no	PDF paper size (a3, a4, letter, tabloid).

Prerequisites

This app has been built and tested with Qt6 on Ubuntu 22.

apt-get install build-essential qt6-base-dev qt6-webengine-dev libqt6webenginecore6-bin libqt6opengl6-dev qmake6 xvfb

Building

git clone https://github.com/cepa/rabarbar
cd rabarbar
qmake6
make
./rabarbar --url https://openai.com/ --width 512 --height 512 --out sample.png

Headless

Rabarbar works in headless mode with Xvfb.

xvfb-run -a ./rabarbar --url https://google.com --width 1280 --height 1024 --out screenshot.png

Docker

You can build and run Rabarbar to render websites in Docker.

docker build -t rabarbar .

Run

docker run -v ./:/out rabarbar --url http://openai.com --out /out/openai.png

Notes

Referer header can be ignored by Chromium due to internal policies, consider this feature experimental.
Code may be built with Qt5 however there were some issues reported with QWebEngine on Ubuntu.

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