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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 <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;
#include "DisplayOutput.h"
#include "Options.h"
#include "libimage/libimage.h"
#include "libprojection/libprojection.h"
DisplayOutput::DisplayOutput()
{
window_width = opts.window_width;
window_height = opts.window_height;
// (x,y) of the globe's center
if (!opts.center)
{
opts.centx = window_width / 2;
opts.centy = window_height / 2;
}
window_area = window_width * window_height;
}
const char *
DisplayOutput::identifyMe()
{
return("OUTPUT");
}
void
DisplayOutput::render(ProjectionBase *image)
{
doAnnotation(image);
// Swap red & blue planes if desired. This is useful on
// big-endian machines.
if (opts.swap)
{
unsigned char tmp;
for (int i = 0; i < window_area; i++)
{
tmp = image->rgb_data[3*i];
image->rgb_data[3*i] = image->rgb_data[3*i+2];
image->rgb_data[3*i+2] = tmp;
}
}
if (!write_image(opts.output.c_str(), window_width, window_height,
image->rgb_data))
{
cerr << "Can't create image file " << opts.output << "\n";
exit(EXIT_FAILURE);
}
return;
}
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