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Document imwrite depth fallback

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Smirnov Egor 2021-05-12 13:18:58 +03:00
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modules/imgcodecs/include/opencv2/imgcodecs.hpp
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@ -212,6 +212,8 @@ can be saved using this function, with these exceptions:
should have alpha set to 0, fully opaque pixels should have alpha set to 255/65535 (see the code sample below).
- Multiple images (vector of Mat) can be saved in TIFF format (see the code sample below).
If the image format is not supported, the image will be converted to 8-bit unsigned (CV_8U) and saved that way.
If the format, depth or channel order is different, use
Mat::convertTo and cv::cvtColor to convert it before saving. Or, use the universal FileStorage I/O
functions to save the image to XML or YAML format.