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/****************************************************************************
Xplanet 0.94 - render an image of a planet into an X window
Copyright (C) 2002 Hari Nair <hari@alumni.caltech.edu>
This program 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 program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
****************************************************************************/
#include <cctype>
#include <iostream>
#include <cstring>
using namespace std;
#include "keywords.h"
#include "ProjectionBase.h"
#include "ProjectionAncient.h"
#include "ProjectionAzimuthal.h"
#include "ProjectionHemisphere.h"
#include "ProjectionMollweide.h"
#include "ProjectionMercator.h"
#include "ProjectionOrthographic.h"
#include "ProjectionPeters.h"
#include "ProjectionRectangular.h"
int
getProjectionType(char *proj_string)
{
int projection;
char *lowercase = proj_string;
char *ptr = proj_string;
while (*ptr != '\0') *ptr++ = tolower(*proj_string++);
if (strncmp(lowercase, "ancient", 2) == 0)
projection = ANCIENT;
else if (strncmp(lowercase, "azimuthal", 2) == 0)
projection = AZIMUTHAL;
else if (strncmp(lowercase, "hemisphere", 1) == 0)
projection = HEMISPHERE;
else if (strncmp(lowercase, "mercator", 2) == 0)
projection = MERCATOR;
else if (strncmp(lowercase, "mollweide", 2) == 0)
projection = MOLLWEIDE;
else if (strncmp(lowercase, "orthographic", 1) == 0)
projection = ORTHOGRAPHIC;
else if (strncmp(lowercase, "peters", 1) == 0)
projection = PETERS;
else if (strncmp(lowercase, "rectangular", 1) == 0)
projection = RECTANGULAR;
else
{
cerr << "Unknown projection, using rectangular\n";
projection = RECTANGULAR;
}
return(projection);
}
ProjectionBase *
getProjection(const int projection, const int width, const int height)
{
ProjectionBase *thisProjection = NULL;
switch (projection)
{
case ANCIENT:
thisProjection = new ProjectionAncient(width, height);
break;
case AZIMUTHAL:
thisProjection = new ProjectionAzimuthal(width, height);
break;
case HEMISPHERE:
thisProjection = new ProjectionHemisphere(width, height);
break;
case MERCATOR:
thisProjection = new ProjectionMercator(width, height);
break;
case MOLLWEIDE:
thisProjection = new ProjectionMollweide(width, height);
break;
case ORTHOGRAPHIC:
thisProjection = new ProjectionOrthographic(width, height);
break;
case PETERS:
thisProjection = new ProjectionPeters(width, height);
break;
default:
break;
}
return(thisProjection);
}
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