forked from KolibriOS/kolibrios
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright (C) 2011 Andrea Canciani
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the name of the
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* copyright holders not be used in advertising or publicity
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* pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied
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* warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*
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* Authors: Andrea Canciani <ranma42@gmail.com>
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*
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*/
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#ifndef CAIRO_TIME_PRIVATE_H
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#define CAIRO_TIME_PRIVATE_H
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#include "cairo-compiler-private.h"
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#include "cairo-wideint-private.h"
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/* Make the base type signed for easier arithmetic */
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typedef cairo_int64_t cairo_time_t;
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#define _cairo_time_add _cairo_int64_add
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#define _cairo_time_sub _cairo_int64_sub
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#define _cairo_time_gt _cairo_int64_gt
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#define _cairo_time_lt _cairo_int64_lt
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#define _cairo_time_to_double _cairo_int64_to_double
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#define _cairo_time_from_double _cairo_double_to_int64
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cairo_private int
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_cairo_time_cmp (const void *a,
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const void *b);
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cairo_private double
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_cairo_time_to_s (cairo_time_t t);
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cairo_private cairo_time_t
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_cairo_time_from_s (double t);
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cairo_private cairo_time_t
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_cairo_time_get (void);
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static cairo_always_inline cairo_time_t
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_cairo_time_get_delta (cairo_time_t t)
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{
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cairo_time_t now;
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now = _cairo_time_get ();
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return _cairo_time_sub (now, t);
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}
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static cairo_always_inline double
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_cairo_time_to_ns (cairo_time_t t)
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{
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return 1.e9 * _cairo_time_to_s (t);
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}
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static cairo_always_inline cairo_time_t
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_cairo_time_max (cairo_time_t a, cairo_time_t b)
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{
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if (_cairo_int64_gt (a, b))
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return a;
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else
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return b;
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}
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static cairo_always_inline cairo_time_t
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_cairo_time_min (cairo_time_t a, cairo_time_t b)
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{
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if (_cairo_int64_lt (a, b))
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return a;
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else
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return b;
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}
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#endif
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