/* === S Y N F I G ========================================================= */
/*! \file trgt_openexr.cpp
** \brief exr_trgt 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_openexr.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(exr_trgt);
SYNFIG_TARGET_SET_NAME(exr_trgt,"openexr");
SYNFIG_TARGET_SET_EXT(exr_trgt,"exr");
SYNFIG_TARGET_SET_VERSION(exr_trgt,"1.0.4");
SYNFIG_TARGET_SET_CVS_ID(exr_trgt,"$Id$");
/* === M E T H O D S ======================================================= */
bool
exr_trgt::ready()
{
return (bool)exr_file;
}
exr_trgt::exr_trgt(const char *Filename, const synfig::TargetParam ¶ms):
multi_image(false),
imagecount(0),
scanline(),
filename(Filename),
exr_file(NULL),
buffer(NULL),
buffer_color(NULL)
{
// OpenEXR uses linear gamma
sequence_separator = params.sequence_separator;
}
exr_trgt::~exr_trgt()
{
if(exr_file) delete exr_file;
if(buffer) delete [] buffer;
if(buffer_color) delete [] buffer_color;
}
bool
exr_trgt::set_rend_desc(RendDesc *given_desc)
{
//given_desc->set_pixel_format(PixelFormat((int)PF_RAW_COLOR));
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;
}
bool
exr_trgt::start_frame(synfig::ProgressCallback *cb)
{
int w=desc.get_w(),h=desc.get_h();
String frame_name;
if(exr_file)
delete exr_file;
if(multi_image)
{
frame_name = (filename_sans_extension(filename) +
sequence_separator +
etl::strprintf("%04d",imagecount) +
filename_extension(filename));
if(cb)cb->task(frame_name);
}
else
{
frame_name=filename;
if(cb)cb->task(filename);
}
exr_file=new Imf::RgbaOutputFile(frame_name.c_str(),w,h,Imf::WRITE_RGBA,desc.get_pixel_aspect());
if(buffer_color) delete [] buffer_color;
buffer_color=new Color[w];
//if(buffer) delete [] buffer;
//buffer=new Imf::Rgba[w];
out_surface.set_wh(w,h);
return true;
}
void
exr_trgt::end_frame()
{
if(exr_file)
{
exr_file->setFrameBuffer(out_surface[0],1,desc.get_w());
exr_file->writePixels(desc.get_h());
delete exr_file;
}
exr_file=0;
imagecount++;
}
Color *
exr_trgt::start_scanline(int i)
{
scanline=i;
return reinterpret_cast<Color *>(buffer_color);
}
bool
exr_trgt::end_scanline()
{
if(!ready())
return false;
int i;
for(i=0;i<desc.get_w();i++)
{
// Imf::Rgba &rgba=buffer[i];
Imf::Rgba &rgba=out_surface[scanline][i];
Color &color=buffer_color[i];
rgba.r=color.get_r();
rgba.g=color.get_g();
rgba.b=color.get_b();
rgba.a=color.get_a();
}
//exr_file->setFrameBuffer(buffer,1,desc.get_w());
//exr_file->writePixels(1);
return true;
}