+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file distance.cpp
-** \brief Template File
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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 "distance.h"
-#include "renddesc.h"
-#include "general.h"
-#include <ctype.h>
-#endif
-
-/* === U S I N G =========================================================== */
-
-using namespace std;
-using namespace etl;
-using namespace synfig;
-
-/* === M A C R O S ========================================================= */
-
-#define POINTS_PER_INCH (72.0)
-
-/* === G L O B A L S ======================================================= */
-
-#define METERS_PER_UNIT (rend_desc.get_physical_w()/abs(rend_desc.get_tl()[0]-rend_desc.get_br()[0]))
-
-/* === P R O C E D U R E S ================================================= */
-
-/* === M E T H O D S ======================================================= */
-
-Distance::Distance(const synfig::String& str)
-{
- (*this)=str;
-/* int i(0);
- float val;
- int ret(strscanf(str,"%f%n",&val,&i));
- synfig::info("Distance::Distance(): ret=%d, val=%f",ret,val);
-
- if(ret<=0)
- {
- // Error
- synfig::error("Distance::Distance(): Bad value \"%s\"",str.c_str());
- value_=0;
- }
- else
- value_=val;
-
- synfig::info("Distance::Distance(): system=\"%s\"",String(str.begin()+i,str.end()).c_str());
- system_=ident_system(String(str.begin()+i,str.end()));
-*/
-}
-
-Distance&
-Distance::operator=(const synfig::String& str)
-{
- int i(0);
- float val;
- int ret(strscanf(str,"%f%n",&val,&i));
- synfig::info("Distance::Distance(): ret=%d, val=%f",ret,val);
-
- if(ret<=0)
- {
- // Error
- synfig::error("Distance::Distance(): Bad value \"%s\"",str.c_str());
- return *this;
- }
- else
- value_=val;
-
- synfig::String sys(str.begin()+i,str.end());
-
- if(sys.size())
- system_=ident_system(sys);
- return *this;
-}
-
-synfig::String
-Distance::get_string(int digits)const
-{
- digits=min(9,max(0,digits));
- String fmt(strprintf("%%.%01df%%s",digits));
- return strprintf(fmt.c_str(),value_,system_name(system_).c_str());
-}
-
-void
-Distance::convert(Distance::System target, const RendDesc& rend_desc)
-{
- value_=get(target,rend_desc);
- system_=target;
-}
-
-Real
-Distance::get(Distance::System target, const RendDesc& rend_desc)const
-{
- if(target==SYSTEM_UNITS)
- return units(rend_desc);
- if(target==SYSTEM_PIXELS)
- return units(rend_desc)*METERS_PER_UNIT*rend_desc.get_x_res();
-
- return meters_to_system(meters(rend_desc),target);
-}
-
-Real
-Distance::meters()const
-{
- switch(system_)
- {
- case SYSTEM_INCHES: return value_/39.3700787402;
- case SYSTEM_POINTS: return value_/POINTS_PER_INCH/39.3700787402;
- case SYSTEM_METERS: return value_;
- case SYSTEM_CENTIMETERS: return value_/100.0;
- case SYSTEM_MILLIMETERS: return value_/1000.0;
- default: throw BadSystem();
- }
-}
-
-Real
-Distance::meters(const RendDesc& rend_desc)const
-{
- if(system_>SYSTEM_PIXELS)
- return meters();
- if(system_==SYSTEM_UNITS)
- return value_*METERS_PER_UNIT;
- if(system_==SYSTEM_PIXELS)
- return value_/rend_desc.get_x_res();
-
- throw BadSystem();
-}
-
-Real
-Distance::units(const RendDesc& rend_desc)const
-{
- if(system_==SYSTEM_UNITS)
- return value_;
-
- Real ret;
-
- if(system_>SYSTEM_PIXELS)
- ret=meters();
- else
- ret=value_/rend_desc.get_x_res();
-
- return ret/METERS_PER_UNIT;
-}
-
-
-Real // (static)
-Distance::meters_to_system(Real x,System target_system)
-{
- switch(target_system)
- {
- case SYSTEM_INCHES: return x*39.3700787402;
- case SYSTEM_POINTS: return x*39.3700787402*POINTS_PER_INCH;
- case SYSTEM_METERS: return x;
- case SYSTEM_CENTIMETERS: return x*100.0;
- case SYSTEM_MILLIMETERS: return x*1000.0;
- default: throw BadSystem();
- }
-}
-
-Distance::System // (static)
-Distance::ident_system(const synfig::String& x)
-{
- synfig::String str;
-
- // Make it all upper case, and remove white space
- for(unsigned int i=0;i<x.size();i++)if(x[i]!=' ' && x[i]!='\t')str+=toupper(x[i]);
-
- // If it is plural, make it singular
- if(str[str.size()-1]=='S')
- str=synfig::String(str.begin(),str.end()-1);
-
- if(str.empty() || str=="U" || str=="UNIT")
- return SYSTEM_UNITS;
- if(str=="PX" || str=="PIXEL")
- return SYSTEM_PIXELS;
- if(str=="PT" || str=="POINT")
- return SYSTEM_POINTS;
- if(str=="IN" || str=="\"" || str=="INCHE" || str=="INCH")
- return SYSTEM_INCHES;
- if(str=="M" || str=="METER")
- return SYSTEM_METERS;
- if(str=="CM" || str=="CENTIMETER")
- return SYSTEM_CENTIMETERS;
- if(str=="MM" || str=="MILLIMETER")
- return SYSTEM_MILLIMETERS;
-
- synfig::warning("Distance::ident_system(): Unknown distance system \"%s\"",x.c_str());
-
- return SYSTEM_UNITS;
-}
-
-synfig::String // (static)
-Distance::system_name(Distance::System system)
-{
- switch(system)
- {
- case SYSTEM_UNITS: return "u";
- case SYSTEM_PIXELS: return "px";
- case SYSTEM_POINTS: return "pt";
- case SYSTEM_INCHES: return "in";
- case SYSTEM_METERS: return "m";
- case SYSTEM_MILLIMETERS: return "mm";
- case SYSTEM_CENTIMETERS: return "cm";
-
- default: throw BadSystem();
- }
- return synfig::String();
-}
-
-synfig::String // (static)
-Distance::system_local_name(Distance::System system)
-{
- switch(system)
- {
- case SYSTEM_UNITS: return _("Units");
- case SYSTEM_PIXELS: return _("Pixels");
- case SYSTEM_POINTS: return _("Points");
- case SYSTEM_INCHES: return _("Inches");
- case SYSTEM_METERS: return _("Meters");
- case SYSTEM_MILLIMETERS:return _("Millimeters");
- case SYSTEM_CENTIMETERS:return _("Centimeters");
-
- default: throw BadSystem();
- }
- return synfig::String();
-}
projects / synfig.git / blobdiff