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1360 mateusz.vi 1
/*
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 * PCX-loading routines
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 *
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 * This file is part of the Mateusz' DOS Routines (MDR): http://mdr.osdn.io
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 * Published under the terms of the MIT License, as stated below.
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 *
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 * Copyright (C) 2022 Mateusz Viste
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, 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
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 * all 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,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#ifndef MDR_PCX_H
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#define MDR_PCX_H
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struct pcx_hdr {
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  unsigned char rle;
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  unsigned char bpp;
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  unsigned short max_x;
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  unsigned short max_y;
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  unsigned short bytes_per_scanline;
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  struct {
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    unsigned char r;
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    unsigned char g;
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    unsigned char b;
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  } pal[256];
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};
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int pcx_anal(struct pcx_hdr *h, FILE *fd, unsigned long offset, unsigned short len);
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int pcx_load(void *ptr, size_t ptrsz, const struct pcx_hdr *h, FILE *fd, unsigned long offset);
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/* convert img to 8bpp if needed (ie unpack 2 and 4bpp data to 8bpp) */
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int pcx_convto8bpp(void *img, const struct pcx_hdr *h);
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#endif