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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* projectrender.cc
*
* Sat Sep 22 10:35:01 CEST 2018
* Copyright 2018 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "projectrenderer.h"
#include <QDomDocument>
#include <QFile>
#include <QApplication>
#include <QDir>
#include <QHash>
#include "project.h"
#include "audioextractor.h"
ProjectRenderer::ProjectRenderer(Project& project)
: project(project)
{
}
void ProjectRenderer::render()
{
// Ugly hack to ensure the xml attribute order is the same each time a save
// or export is performed.
qSetGlobalQHashSeed(0);
QDomDocument doc;
QDomProcessingInstruction header =
doc.createProcessingInstruction("xml", "version='1.0' encoding='UTF-8'");
doc.appendChild(header);
QDomElement drumkit = doc.createElement("drumkit");
drumkit.setAttribute("version", "1.0");
drumkit.setAttribute("name", project.getProjectName());
drumkit.setAttribute("description", project.getProjectDescription());
drumkit.setAttribute("samplerate", project.getProjectSamplerate());
doc.appendChild(drumkit);
QDomElement channels = doc.createElement("channels");
drumkit.appendChild(channels);
auto channel_ids = project.getChannelList();
for(auto channel_id : channel_ids)
{
const auto& channel = project.getChannel(channel_id);
QDomElement channel_node = doc.createElement("channel");
channel_node.setAttribute("name", channel.getChannelName());
channels.appendChild(channel_node);
}
QDomElement instruments = doc.createElement("instruments");
drumkit.appendChild(instruments);
auto instrument_ids = project.getInstrumentList();
emit progressStart(instrument_ids.count());
qApp->processEvents();
for(auto instrument_id : instrument_ids)
{
auto& instrument = project.getInstrument(instrument_id);
emit progressTask(tr("Writing instrument: ") +
instrument.getInstrumentName());
{
auto selections = instrument.getSelections().ids();
emit progressRenderStart(selections.count());
qApp->processEvents();
}
AudioExtractor extractor(instrument, this);
connect(&extractor, SIGNAL(progressUpdate(int)),
this, SIGNAL(progressRenderTask(int)));
if(!extractor.exportSelections())
{
emit progressFinished(1);
qApp->processEvents();
return;
}
QDomElement instrument_node = doc.createElement("instrument");
instrument_node.setAttribute("name", instrument.getInstrumentName());
QString file = instrument.getPrefix() + QDir::separator() + instrument.getPrefix() + ".xml";
instrument_node.setAttribute("file", file);
instruments.appendChild(instrument_node);
auto audiofile_ids = instrument.getAudioFileList();
for(auto audiofile_id : audiofile_ids)
{
const auto& audiofile = instrument.getAudioFile(audiofile_id);
if(audiofile.getChannelMapId() == -1)
{
// Not mapped
continue;
}
QDomElement channelmap = doc.createElement("channelmap");
channelmap.setAttribute("in", audiofile.getName());
const auto& channel = project.getChannel(audiofile.getChannelMapId());
channelmap.setAttribute("out", channel.getChannelName());
if(audiofile.getMainChannel())
{
channelmap.setAttribute("main", "true");
}
instrument_node.appendChild(channelmap);
}
emit progressRenderFinished(0);
qApp->processEvents();
}
QFile xmlfile(project.getExportPath() + QDir::separator() + "drumkit.xml");
if(!xmlfile.open(QIODevice::WriteOnly))
{
emit progressFinished(1);
qApp->processEvents();
return;
}
xmlfile.write(doc.toByteArray());
xmlfile.close();
emit progressFinished(0);
qApp->processEvents();
}
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