+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file time.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007, 2008 Chris Moore
-** Copyright (c) 2008 Gerco Ballintijn
-** Copyright (c) 2008 Carlos López
-**
-** This package 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.
-**
-** This package 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.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "time.h"
-#include <ETL/stringf>
-#include <ETL/misc>
-#include "general.h"
-#include <cmath>
-#include <cassert>
-#include <algorithm>
-#include <cstdio>
-#include <ctype.h>
-#include <math.h>
-
-
-#ifdef WIN32
-#include <float.h>
-#ifndef isnan
-extern "C" { int _isnan(double x); }
-#define isnan _isnan
-#endif
-#endif
-
-// For some reason isnan() isn't working on macosx any more.
-// This is a quick fix.
-#if defined(__APPLE__) && !defined(SYNFIG_ISNAN_FIX)
-#ifdef isnan
-#undef isnan
-#endif
-inline bool isnan(double x) { return x != x; }
-inline bool isnan(float x) { return x != x; }
-#define SYNFIG_ISNAN_FIX 1
-#endif
-
-
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-#define tolower ::tolower
-
-/* === M A C R O S ========================================================= */
-
-/* === G L O B A L S ======================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Time::Time(const String &str_, float fps):
- value_(0)
-{
- String str(str_);
- std::transform(str.begin(),str.end(),str.begin(),&tolower);
-
- // Start/Begin Of Time
- if(str=="sot" || str=="bot")
- {
- operator=(begin());
- return;
- }
- // End Of Time
- if(str=="eot")
- {
- operator=(end());
- return;
- }
-
-
- unsigned int pos=0;
- int read;
- float amount;
-
- // Now try to read it in the letter-abbreviated format
- while(pos<str.size() && sscanf(String(str,pos).c_str(),"%f%n",&amount,&read))
- {
- pos+=read;
- if(pos>=str.size() || read==0)
- {
- // Throw up a warning if there are no units
- // and the amount isn't zero. There is no need
- // to warn about units if the value is zero
- // it is the only case where units are irrelevant.
- if(amount!=0)
- synfig::warning("Time(): No unit provided in time code, assuming SECONDS (\"%s\")",str.c_str());
- value_+=amount;
- return;
- }
- switch(str[pos])
- {
- case 'h':
- case 'H':
- value_+=amount*3600;
- break;
- case 'm':
- case 'M':
- value_+=amount*60;
- break;
- case 's':
- case 'S':
- value_+=amount;
- break;
- case 'f':
- case 'F':
- if(fps)
- value_+=amount/fps;
- else
- synfig::warning("Time(): Individual frames referenced, but frame rate is unknown");
- break;
- case ':':
- // try to read it in as a traditional time format
- {
- int hour,minute,second;
- float frame;
- if(fps && sscanf(str.c_str(),"%d:%d:%d.%f",&hour,&minute,&second,&frame)==4)
- {
- value_=frame/fps+(hour*3600+minute*60+second);
- return;
- }
-
- if(sscanf(str.c_str(),"%d:%d:%d",&hour,&minute,&second)==3)
- {
- value_=hour*3600+minute*60+second;
- return;
- }
- }
- synfig::warning("Time(): Bad time format");
- break;
-
- default:
- value_+=amount;
- synfig::warning("Time(): Unexpected character '%c' when parsing time string \"%s\"",str[pos],str.c_str());
- break;
- }
- pos++;
- amount=0;
- }
-}
-
-String
-Time::get_string(float fps, Time::Format format)const
-{
- Time time(*this);
-
- if(time<=begin())
- return "SOT"; // Start Of Time
- if(time>=end())
- return "EOT"; // End Of Time
-
- if(fps<0)fps=0;
-
- if(ceil(time.value_)-time.value_<epsilon_())
- time.value_=ceil(time.value_);
-
- int hour = 0, minute = 0;
- if(!(format<=FORMAT_FRAMES))
- {
- hour=time/3600;time-=hour*3600;
- minute=time/60;time-=minute*60;
- }
- // <= is redefined, so this means "is the FORMAT_VIDEO bit set in the format?"
- if(format<=FORMAT_VIDEO)
- {
- int second;
- second=time;time-=second;
-
- if(fps && fps>1)
- {
- int frame;
- frame=round_to_int(time*fps);
-
- return strprintf("%02d:%02d:%02d.%02d",hour,minute,second,frame);
- }
- else
- return strprintf("%02d:%02d:%02d",hour,minute,second);
- }
-
- if (format <= FORMAT_FRAMES)
- {
- if (fps && fps>0)
- return strprintf("%df", round_to_int(time * fps));
- else
- return strprintf("%ds", round_to_int(time * 1));
- }
-
- String ret;
- bool started = false;
-
- if(format<=FORMAT_FULL || hour)
- {
- ret+=strprintf("%dh",hour);
- started = true;
- }
-
- if(format<=FORMAT_FULL || minute)
- {
- if (!(format<=FORMAT_NOSPACES) && started)
- ret += " ";
-
- ret += strprintf("%dm", minute);
- started = true;
- }
-
- if(fps && fps>1)
- {
- int second;
- float frame;
- second=time;time-=second;
- frame=time*fps;
-
- if(format<=FORMAT_FULL || second)
- {
- if (!(format<=FORMAT_NOSPACES) && started)
- ret += " ";
-
- ret += strprintf("%ds", (int)second);
- started = true;
- }
-
- if(format<=FORMAT_FULL || abs(frame) > epsilon_() || !started)
- {
- if (!(format<=FORMAT_NOSPACES) && started)
- ret += " ";
-
- if(abs(frame-floor(frame) >= epsilon_()))
- ret += strprintf("%0.3ff", frame);
- else
- ret += strprintf("%0.0ff", frame);
- }
- }
- else
- {
- float second;
- second=time;
- if(format<=FORMAT_FULL || second || !started)
- {
- if (!(format<=FORMAT_NOSPACES) && started)
- ret += " ";
-
- if(abs(second-floor(second))>=epsilon_())
- {
- String seconds(strprintf("%0.8f",second));
-
- // skip trailing zeros
- int count = 0;
- String::reverse_iterator i = seconds.rbegin();
- for ( ; (*i) == '0'; i++)
- count++;
-
- // if we removed too many, go back one place, leaving one zero
- if (*i < '0' || *i > '9') count--;
-
- ret += seconds.substr(0, seconds.size()-count) + "s";
- }
- else
- ret+=strprintf("%0.0fs",second);
- }
- }
-
- return ret;
-}
-
-Time
-Time::round(float fps)const
-{
- assert(fps>0);
-
- value_type time(*this);
-
- time*=fps;
-
- if(abs(time-floor(time))<0.5)
- return floor(time)/fps;
- else
- return ceil(time)/fps;
-}
-
-#ifdef _DEBUG
-const char *
-Time::c_str()const
-{
- return get_string().c_str();
-}
-#endif
-
-//! \writeme
-bool
-Time::is_valid()const
-{
- return !isnan(value_);
-}
projects / synfig.git / blobdiff