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Merge pull request #26211 from Kumataro:fix26207

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imgcodecs: implement imencodemulti() #26211

Close #26207
### 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.
- [x] The feature is well documented and sample code can be built with the project CMake
This commit is contained in:
Kumataro
2024-10-18 20:44:55 +09:00
committed by GitHub
parent 3919f33e21
commit 35dbf32227
6 changed files with 199 additions and 46 deletions
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modules/imgcodecs/include/opencv2/imgcodecs.hpp
+15 -1
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@@ -405,7 +405,7 @@ The function imencode compresses the image and stores it in the memory buffer th
result. See cv::imwrite for the list of supported formats and flags description.
@param ext File extension that defines the output format. Must include a leading period.
@param img Image to be written.
@param img Image to be compressed.
@param buf Output buffer resized to fit the compressed image.
@param params Format-specific parameters. See cv::imwrite and cv::ImwriteFlags.
*/
@@ -413,6 +413,20 @@ CV_EXPORTS_W bool imencode( const String& ext, InputArray img,
CV_OUT std::vector<uchar>& buf,
const std::vector<int>& params = std::vector<int>());
/** @brief Encodes array of images into a memory buffer.
The function is analog to cv::imencode for in-memory multi-page image compression.
See cv::imwrite for the list of supported formats and flags description.
@param ext File extension that defines the output format. Must include a leading period.
@param imgs Vector of images to be written.
@param buf Output buffer resized to fit the compressed data.
@param params Format-specific parameters. See cv::imwrite and cv::ImwriteFlags.
*/
CV_EXPORTS_W bool imencodemulti( const String& ext, InputArrayOfArrays imgs,
CV_OUT std::vector<uchar>& buf,
const std::vector<int>& params = std::vector<int>());
/** @brief Checks if the specified image file can be decoded by OpenCV.
The function haveImageReader checks if OpenCV is capable of reading the specified file.