66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
// -*- c-basic-offset: 8; indent-tabs-mode: t -*-
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// vim:ts=8:sw=8:noet:ai:
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/*
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* Copyright (C) 2006 Evgeniy Stepanov <eugeni.stepanov@gmail.com>
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*
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* This file is part of libass.
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*
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* libass 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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* libass 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 along
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* with libass; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef LIBASS_UTILS_H
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#define LIBASS_UTILS_H
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#include <stdint.h>
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int mystrtoi(char** p, int* res);
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int mystrtoll(char** p, long long* res);
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int mystrtou32(char** p, int base, uint32_t* res);
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int mystrtod(char** p, double* res);
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int strtocolor(char** q, uint32_t* res);
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char parse_bool(char* str);
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static inline int d6_to_int(int x) {
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return (x + 32) >> 6;
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}
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static inline int d16_to_int(int x) {
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return (x + 32768) >> 16;
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}
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static inline int int_to_d6(int x) {
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return x << 6;
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}
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static inline int int_to_d16(int x) {
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return x << 16;
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}
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static inline int d16_to_d6(int x) {
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return (x + 512) >> 10;
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}
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static inline int d6_to_d16(int x) {
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return x << 10;
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}
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static inline double d6_to_double(int x) {
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return x / 64.;
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}
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static inline int double_to_d6(double x) {
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return (int)(x * 64);
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}
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static inline double d16_to_double(int x) {
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return ((double)x) / 0x10000;
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}
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static inline int double_to_d16(double x) {
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return (int)(x * 0x10000);
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}
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#endif /* LIBASS_UTILS_H */
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