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Nunuhara Cabbage
40ce6e2e82
For the MangaGamer version of Sengoku Rance. This makes libwebp a dependency. These webp files have a non-standard metadata block appended to them which specifies the base CG that should be used for unfilled pixels, where "unfilled" means any pixels with a pure magenta color (255,0,255).
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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* 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_CG_H
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#define SYSTEM4_CG_H
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#include <stdbool.h>
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#include <stdint.h>
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struct archive;
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/*
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* Available CG formats
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*/
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enum cg_type {
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ALCG_UNKNOWN = 1,
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ALCG_QNT = 2,
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ALCG_AJP = 3,
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ALCG_PNG = 4,
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ALCG_PMS8 = 5,
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ALCG_PMS16 = 6,
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ALCG_WEBP = 7,
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};
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struct cg_palette {
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uint8_t red[256];
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uint8_t green[256];
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uint8_t blue[256];
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};
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struct cg_metrics {
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int x;
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int y;
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int w;
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int h;
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int bpp;
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bool has_pixel;
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bool has_alpha;
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int pixel_pitch;
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int alpha_pitch;
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};
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/*
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* Information for displaying CG data
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*/
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struct cg {
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enum cg_type type; // cg format type
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struct cg_metrics metrics;
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struct cg_palette *pal;
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void *pixels;
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};
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bool cg_get_metrics(struct archive *ar, int no, struct cg_metrics *dst);
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struct cg *cg_load(struct archive *ar, int no);
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void cg_free(struct cg *cg);
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#endif /* SYSTEM4_CG_H */
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