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		11 months ago
.github	Added Ubuntu 24.04 to regular CI.	1 year ago
3rdparty	Enable build with both old and new layouts of IPP	11 months ago
apps	Merge pull request #25582 from fengyuentau:dnn/dump_pbtxt	1 year ago
cmake	Merge pull request #25661 from itlab-vision:framebuffer	11 months ago
data	Merge pull request #22727 from su77ungr:patch-1	3 years ago
doc	Replace use of "eval()" with "getattr()".	11 months ago
include	exclude opencv_contrib modules	5 years ago
modules	Merge pull request #25661 from itlab-vision:framebuffer	11 months ago
platforms	Merge pull request #25746 from savuor:rv/hwasan_flag_release	11 months ago
samples	Merge pull request #25775 from richard28039:4.x	11 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	11 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
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