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// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
// vim:ts=8:sw=8:noet:ai:
/*
* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
*
* This file is part of libass.
*
* libass is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* libass is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with libass; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LIBASS_UTILS_H
#define LIBASS_UTILS_H
#include <stdint.h>
int mystrtoi(char** p, int base, int* res);
int mystrtou32(char** p, int base, uint32_t* res);
int mystrtod(char** p, double* res);
int strtocolor(char** q, uint32_t* res);
static inline int d6_to_int(int x) {
return (x + 32) >> 6;
}
static inline int d16_to_int(int x) {
return (x + 32768) >> 16;
}
static inline int int_to_d6(int x) {
return x << 6;
}
static inline int int_to_d16(int x) {
return x << 16;
}
static inline int d16_to_d6(int x) {
return (x + 512) >> 10;
}
static inline int d6_to_d16(int x) {
return x << 10;
}
static inline double d6_to_double(int x) {
return x / 64.;
}
static inline int double_to_d6(double x) {
return (int)(x * 64);
}
static inline double d16_to_double(int x) {
return ((double)x) / 0x10000;
}
static inline int double_to_d16(double x) {
return (int)(x * 0x10000);
}
#endif /* LIBASS_UTILS_H */
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