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https://github.com/fastfetch-cli/fastfetch.git
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李通洲
79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
/*
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* Copyright (c) 2014-2016 Hayaki Saito
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LIBSIXEL_DITHER_H
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#define LIBSIXEL_DITHER_H
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#include <sixel.h>
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/* dither context object */
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struct sixel_dither {
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unsigned int ref; /* reference counter */
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unsigned char *palette; /* palette definition */
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unsigned short *cachetable; /* cache table */
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int reqcolors; /* requested colors */
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int ncolors; /* active colors */
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int origcolors; /* original colors */
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int optimized; /* pixel is 15bpp compressable */
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int optimize_palette; /* minimize palette size */
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int complexion; /* for complexion correction */
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int bodyonly; /* do not output palette section if true */
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int method_for_largest; /* method for finding the largest dimention
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for splitting */
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int method_for_rep; /* method for choosing a color from the box */
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int method_for_diffuse; /* method for diffusing */
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int quality_mode; /* quality of histogram */
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int keycolor; /* background color */
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int pixelformat; /* pixelformat for internal processing */
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sixel_allocator_t *allocator; /* allocator */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* apply palette */
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sixel_index_t *
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sixel_dither_apply_palette(struct sixel_dither /* in */ *dither,
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unsigned char /* in */ *pixels,
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int /* in */ width,
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int /* in */ height);
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#if HAVE_TESTS
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int
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sixel_frame_tests_main(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* LIBSIXEL_DITHER_H */
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/* emacs Local Variables: */
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/* emacs mode: c */
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/* emacs tab-width: 4 */
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/* emacs indent-tabs-mode: nil */
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/* emacs c-basic-offset: 4 */
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/* emacs End: */
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/* vim: set expandtab ts=4 sts=4 sw=4 : */
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/* EOF */
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