opencv

Open Source Computer Vision Library https://opencv.org/

kozinove efa4d9176a Merge pull request #25661 from itlab-vision:framebuffer Highgui backend on top of Framebuffer #25661 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [ x] I agree to contribute to the project under Apache 2 License. - [ x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ x] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ x] The feature is well documented and sample code can be built with the project CMake Environment variables used: OPENCV_UI_BACKEND - you need to add the value “FB” OPENCV_UI_PRIORITY_FB - requires priority indication OPENCV_HIGHGUI_FB_MODE={FB\|XVFB\|EMU} - mode of using Framebuffer (default "FB") - FB - Linux Framebuffer - XVFB - virtual Framebuffer - EMU - emulation (images are not displayed) OPENCV_HIGHGUI_FB_DEVICE (FRAMEBUFFER) - path to the Framebuffer file (default "/dev/fb0"). Examples of using: sudo OPENCV_UI_BACKEND=FB ./opencv_test_highgui sudo OPENCV_UI_PRIORITY_FB=1111 ./opencv_test_highgui OPENCV_UI_BACKEND=FB OPENCV_HIGHGUI_FB_MODE=EMU ./opencv_test_highgui sudo OPENCV_UI_BACKEND=FB OPENCV_HIGHGUI_FB_MODE=FB ./opencv_test_highgui export DISPLAY=:99 Xvfb $DISPLAY -screen 0 1024x768x24 -fbdir /tmp/ -f /tmp/user.xvfb.auth& sudo -u sipeed XAUTHORITY=/tmp/user.xvfb.auth x11vnc -display $DISPLAY -listen localhost& DISPLAY=:0 gvncviewer localhost& FRAMEBUFFER=/tmp/Xvfb_screen0 OPENCV_UI_BACKEND=FB OPENCV_HIGHGUI_FB_MODE=XVFB ./opencv_test_highgui		10 months ago
.github	Added Ubuntu 24.04 to regular CI.	11 months ago
3rdparty	Enable build with both old and new layouts of IPP	10 months ago
apps	Merge pull request #25582 from fengyuentau:dnn/dump_pbtxt	11 months ago
cmake	Merge pull request #25661 from itlab-vision:framebuffer	10 months ago
data	Merge pull request #22727 from su77ungr:patch-1	2 years ago
doc	Replace use of "eval()" with "getattr()".	10 months ago
include	exclude opencv_contrib modules	5 years ago
modules	Merge pull request #25661 from itlab-vision:framebuffer	10 months ago
platforms	Merge pull request #25746 from savuor:rv/hwasan_flag_release	10 months ago
samples	Merge pull request #25775 from richard28039:4.x	10 months ago
.editorconfig	add .editorconfig	7 years ago
.gitattributes	cmake: generate and install ffmpeg-download.ps1	7 years ago
.gitignore	Merge pull request #17165 from komakai:objc-binding	5 years ago
CMakeLists.txt	Merge pull request #25661 from itlab-vision:framebuffer	10 months ago
CONTRIBUTING.md	migration: github.com/opencv/opencv	9 years ago
COPYRIGHT	copyright: 2023 (update)	2 years ago
LICENSE	Merge pull request #18073 from vpisarev:apache2_license	5 years ago
README.md	Space mistake in README.md	1 year ago
SECURITY.md	Updated PGP key for security reports	2 years ago

README.md

OpenCV: Open Source Computer Vision Library

Resources

Homepage: https://opencv.org
- Courses: https://opencv.org/courses
Docs: https://docs.opencv.org/4.x/
Q&A forum: https://forum.opencv.org
- previous forum (read only): http://answers.opencv.org
Issue tracking: https://github.com/opencv/opencv/issues
Additional OpenCV functionality: https://github.com/opencv/opencv_contrib
Donate to OpenCV: https://opencv.org/support/

Contributing

Please read the contribution guidelines before starting work on a pull request.

Summary of the guidelines:

One pull request per issue;
Choose the right base branch;
Include tests and documentation;
Clean up "oops" commits before submitting;
Follow the coding style guide.

Additional Resources

Submit your OpenCV-based project for inclusion in Community Friday on opencv.org
Subscribe to the OpenCV YouTube Channel featuring OpenCV Live, an hour-long streaming show
Follow OpenCV on LinkedIn for daily posts showing the state-of-the-art in computer vision & AI
Apply to be an OpenCV Volunteer to help organize events and online campaigns as well as amplify them
Follow OpenCV on Mastodon in the Fediverse
Follow OpenCV on Twitter
OpenCV.ai: Computer Vision and AI development services from the OpenCV team.