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

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opencv/modules

History

MurtazaSaherwala 3a8d7ec75a Merge pull request #26524 from MurtazaSaherwala:DocumentationUpdation ... Updated trackbar callback function and improved documentation #26524 This Fixes #26467 Description: This pull request improve the OpenCV documentation regarding the Trackbar functionality. The current documentation does not provide clear guidance on certain aspects, such as handling the value pointer deprecation and utilizing callback arguments in C. This update addresses those gaps and provides an updated example for better clarity. Changes: Updated Documentation: Clarified the usage of the value pointer and explained how to pass an initial value, since the value pointer is deprecated. Added more detailed explanations about callback arguments in C, ensuring that users understand how to access and use them in Trackbar callbacks. Added a note on how to properly handle initial value passing without relying on the deprecated value pointer. Updated Tutorial Example: Renamed and used callback function parameters to make them more understandable. Included a demonstration on how to utilize userdata in the callback function. Additional Notes: Removed reliance on the value pointer for updating trackbar values. Users are now encouraged to use other mechanisms as per the current implementation to avoid the runtime warning. ### 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 - [x] 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. - [] The feature is well documented and sample code can be built with the project CMake		5 months ago
..
calib3d	calib3d: fix vector access in USAC	5 months ago
core	Merge pull request #26547 from mshabunin:fix-type-cast	5 months ago
dnn	dnn: use dispatcher for Winograd	6 months ago
features2d	C-API cleanup: use AutoBuffer in MSER	7 months ago
flann	flann: remove unused hdf5 header	6 months ago
gapi	Fixed missing include chrono in g-api tests.	5 months ago
highgui	Merge pull request #26524 from MurtazaSaherwala:DocumentationUpdation	5 months ago
imgcodecs	Merge pull request #25691 from redhecker:gifSupport	5 months ago
imgproc	Merge pull request #26547 from mshabunin:fix-type-cast	5 months ago
java	Merge pull request #26009 from alexlyulkov:al/unify-build-gradle	9 months ago
js	fix: performance typo	7 months ago
ml	speedup random forest getVotes method.	9 months ago
objc	Fix python re warning in gen_objc	5 months ago
objdetect	objdetect: fix invalid vector access in QR encoder	5 months ago
photo	Fix typo: rename 'search_widow_size' to 'search_window_size'	5 months ago
python	Merge pull request #26434 from dkurt:dk/int64_file_storage_4.x	6 months ago
stitching	Document some stitching methods and enable bindings for them.	5 months ago
ts	build: made environment access a separate feature	6 months ago
video	build: made environment access a separate feature	6 months ago
videoio	videoio(test): filter unstable GStreamer tests	5 months ago
world	cmake: use /INCREMENTAL:NO with MSVS 2015	1 year ago