// Copyright (C) 2022 Davis E. King (davis@dlib.net), AdriĆ Arrufat // License: Boost Software License See LICENSE.txt for the full license. #undef DLIB_SAVE_WEBP_ABSTRACT_Hh_ #ifdef DLIB_SAVE_WEBP_ABSTRACT_Hh_ #include "../image_processing/generic_image.h" #include "../pixel.h" #include <string> namespace dlib { // ---------------------------------------------------------------------------------------- template < typename image_type > void save_webp ( const image_type& img, const std::string& filename, float quality = 75 ); /*! requires - image_type == an image object that implements the interface defined in dlib/image_processing/generic_image.h or a matrix expression - image.size() != 0 - quality >= 0 ensures - writes the image to the file indicated by filename in the WEBP format. - image[0][0] will be in the upper left corner of the image. - image[image.nr()-1][image.nc()-1] will be in the lower right corner of the image. - This routine can save images containing any type of pixel. However, save_webp() can only natively store rgb_pixel, bgr_pixel, rgb_alpha_pixel and bgr_alpha_pixel pixel types. All other pixel types will be converted into one of these types as appropriate before being saved to disk. - The quality value determines how lossy the compression is. Larger quality values result in larger output images but the images will look better. A value between 0 and 100 will use lossy compression, while any value larger than 100 will perform lossless compression. throws - image_save_error This exception is thrown if there is an error that prevents us from saving the image. - std::bad_alloc !*/ // ---------------------------------------------------------------------------------------- } #endif // DLIB_SAVE_WEBP_ABSTRACT_Hh_