/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk3pixre.ctr */ /* Copyright (C) 2011-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk3pixre.h Header file for the dk3pixre module. */ #ifndef DK3PIXRE_H_INCLUDED /** Avoid multiple inclusions. */ #define DK3PIXRE_H_INCLUDED 1 #line 10 "dk3pixre.ctr" #ifdef __cplusplus extern "C" { #endif /** Set up resampling structure. This function must be called before you start any conversion using dk3pixre_convert(). @param pp Resampling structure. @param inw Input number of bits per component. @param outw Output number of bits per component. @return 1 on success, 0 on error. */ int dk3pixre_set(dk3_pixel_resample_t *pp, size_t inw, size_t outw); /** Check whether a pixel value can be converted without quality loss. @param pp Pixel resampling structure. @param inval Value to convert. @return 1 on success, 0 on error. */ int dk3pixre_can_convert(dk3_pixel_resample_t const *pp, dk3_bif_pixel_t inval); /** Resample pixel. The dk3_pixel_resample_t structure must already be set up using dk3pixre_set(). @param pp Resampling structure. @param inval Value to resample. @return Pixel component resampled. */ dk3_bif_pixel_t dk3pixre_convert(dk3_pixel_resample_t const *pp, dk3_bif_pixel_t inval); /** Get mask for maximum output value. @param pp Resampling structure. @return Maximum value for given number of output bits. */ dk3_bif_pixel_t dk3pixre_get_max_value(dk3_pixel_resample_t const *pp); /** Get one pixel component value from packed bytes. @param row Pixel data. @param vi Value index. @param bpc Number of bits per component. @return Pixel component value. */ dk3_bif_pixel_t dk3pixre_get_value_from_packed_bytes( unsigned char const *row, dk3_bif_coord_t vi, size_t bpc ); /** Get maximum pixel value for a given bit width. @param w Bit width. @return Maximum value on success, 0 on error. */ dk3_bif_pixel_t dk3pixre_maximum_for_width(size_t w); #ifdef __cplusplus } #endif #endif