/* === S Y N F I G ========================================================= */
/*! \file trgt_ppm.cpp
** \brief ppm Target Module
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007 Chris Moore
**
** 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
**
** === N O T E S ===========================================================
**
** ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "trgt_ppm.h"
#include <ETL/stringf>
#include <cstdio>
#include <algorithm>
#include <functional>
#endif
/* === M A C R O S ========================================================= */
using namespace synfig;
using namespace std;
using namespace etl;
/* === G L O B A L S ======================================================= */
SYNFIG_TARGET_INIT(ppm);
SYNFIG_TARGET_SET_NAME(ppm,"ppm");
SYNFIG_TARGET_SET_EXT(ppm,"ppm");
SYNFIG_TARGET_SET_VERSION(ppm,"0.1");
SYNFIG_TARGET_SET_CVS_ID(ppm,"$Id$");
/* === M E T H O D S ======================================================= */
ppm::ppm(const char *Filename, const synfig::TargetParam ¶ms):
imagecount(),
multi_image(false),
file(),
filename(Filename),
color_buffer(NULL),
buffer(NULL),
sequence_separator(params.sequence_separator)
{
set_alpha_mode(TARGET_ALPHA_MODE_FILL);
}
ppm::~ppm()
{
delete [] buffer;
delete [] color_buffer;
}
bool
ppm::set_rend_desc(RendDesc *given_desc)
{
//given_desc->set_pixel_format(PF_RGB);
desc=*given_desc;
imagecount=desc.get_frame_start();
if(desc.get_frame_end()-desc.get_frame_start()>0)
multi_image=true;
else
multi_image=false;
return true;
}
void
ppm::end_frame()
{
imagecount++;
}
bool
ppm::start_frame(synfig::ProgressCallback *callback)
{
int w=desc.get_w(),h=desc.get_h();
if(filename=="-")
{
if(callback)callback->task(strprintf("(stdout) %d",imagecount).c_str());
file=SmartFILE(stdout);
}
else if(multi_image)
{
String newfilename(filename_sans_extension(filename) +
sequence_separator +
etl::strprintf("%04d",imagecount) +
filename_extension(filename));
file=SmartFILE(fopen(newfilename.c_str(),POPEN_BINARY_WRITE_TYPE));
if(callback)callback->task(newfilename);
}
else
{
file=SmartFILE(fopen(filename.c_str(),POPEN_BINARY_WRITE_TYPE));
if(callback)callback->task(filename);
}
if(!file)
return false;
fprintf(file.get(), "P6\n");
fprintf(file.get(), "%d %d\n", w, h);
fprintf(file.get(), "%d\n", 255);
delete [] buffer;
buffer=new unsigned char[3*w];
delete [] color_buffer;
color_buffer=new Color[desc.get_w()];
return true;
}
Color *
ppm::start_scanline(int /*scanline*/)
{
return color_buffer;
}
bool
ppm::end_scanline()
{
if(!file)
return false;
color_to_pixelformat(buffer, color_buffer, PF_RGB, 0, desc.get_w());
if(!fwrite(buffer,1,desc.get_w()*3,file.get()))
return false;
return true;
}