C++ Pattern::get_info方法代码示例

///
/// Create a new pattern
///
void SongEditorPanel::newPatBtnClicked( Button* btn )
{
	UNUSED( btn );
	Hydrogen	*pEngine = Hydrogen::get_instance();
	Song		*pSong = pEngine->getSong();
	PatternList *pPatternList = pSong->get_pattern_list();
	Pattern		*pNewPattern = new Pattern( trUtf8("Pattern %1").arg(pPatternList->size()+1));
	PatternPropertiesDialog *pDialog = new PatternPropertiesDialog( this, pNewPattern, 0, true );

	if ( pDialog->exec() == QDialog::Accepted ) {
		SE_addEmptyPatternAction*action =
				new SE_addEmptyPatternAction( pNewPattern->get_name() , pNewPattern->get_info(), pNewPattern->get_category(), pEngine->getSelectedPatternNumber()+1);
		HydrogenApp::get_instance()->m_undoStack->push( action );
	}

	delete pNewPattern;
	delete pDialog;
}

QString LocalFileMng::copyInstrumentLineToString(Song *song, int selectedPattern, int selectedInstrument)
{
	Instrument *instr = song->get_instrument_list()->get( selectedInstrument );
	assert( instr );

	QDomDocument doc;
	QDomProcessingInstruction header = doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"");
	doc.appendChild( header );

	QDomNode rootNode = doc.createElement( "instrument_line" );
	//LIB_ID just in work to get better usability
	//writeXmlString( &rootNode, "LIB_ID", "in_work" );
	writeXmlString( rootNode, "author", song->get_author() );
	writeXmlString( rootNode, "license", song->get_license() );

	QDomNode patternList = doc.createElement( "patternList" );

	unsigned nPatterns = song->get_pattern_list()->size();
	for ( unsigned i = 0; i < nPatterns; i++ )
	{
		if ((selectedPattern >= 0) && (selectedPattern != i))
			continue;

		// Export pattern
		Pattern *pat = song->get_pattern_list()->get( i );

		QDomNode patternNode = doc.createElement( "pattern" );
		writeXmlString( patternNode, "pattern_name", pat->get_name() );

		QString category;
		if ( pat->get_category().isEmpty() )
			category = "No category";
		else
			category = pat->get_category();

		writeXmlString( patternNode, "info", pat->get_info() );
		writeXmlString( patternNode, "category", category  );
		writeXmlString( patternNode, "size", QString("%1").arg( pat->get_length() ) );

		QDomNode noteListNode = doc.createElement( "noteList" );
		const Pattern::notes_t* notes = pat->get_notes();
		FOREACH_NOTE_CST_IT_BEGIN_END(notes,it)
		{
			Note *pNote = it->second;
			assert( pNote );

			// Export only specified instrument
			if (pNote->get_instrument() == instr)
			{
				QDomNode noteNode = doc.createElement( "note" );
				writeXmlString( noteNode, "position", QString("%1").arg( pNote->get_position() ) );
				writeXmlString( noteNode, "leadlag", QString("%1").arg( pNote->get_lead_lag() ) );
				writeXmlString( noteNode, "velocity", QString("%1").arg( pNote->get_velocity() ) );
				writeXmlString( noteNode, "pan_L", QString("%1").arg( pNote->get_pan_l() ) );
				writeXmlString( noteNode, "pan_R", QString("%1").arg( pNote->get_pan_r() ) );
				writeXmlString( noteNode, "pitch", QString("%1").arg( pNote->get_pitch() ) );

				writeXmlString( noteNode, "key", pNote->key_to_string() );

				writeXmlString( noteNode, "length", QString("%1").arg( pNote->get_length() ) );
				noteListNode.appendChild( noteNode );
			}
		}
		patternNode.appendChild( noteListNode );

		patternList.appendChild( patternNode );
	}

//.........这里部分代码省略.........
				InstrumentLayer *pLayer = pComponent->get_layer( nLayer );

				if ( pLayer == NULL ) continue;
				Sample *pSample = pLayer->get_sample();
				if ( pSample == NULL ) continue;

				bool sIsModified = pSample->get_is_modified();
				Sample::Loops lo = pSample->get_loops();
				Sample::Rubberband ro = pSample->get_rubberband();
				QString sMode = pSample->get_loop_mode_string();


				QDomNode layerNode = doc.createElement( "layer" );
				LocalFileMng::writeXmlString( layerNode, "filename", Filesystem::prepare_sample_path( pSample->get_filepath() ) );
				LocalFileMng::writeXmlBool( layerNode, "ismodified", sIsModified);
				LocalFileMng::writeXmlString( layerNode, "smode", pSample->get_loop_mode_string() );
				LocalFileMng::writeXmlString( layerNode, "startframe", QString("%1").arg( lo.start_frame ) );
				LocalFileMng::writeXmlString( layerNode, "loopframe", QString("%1").arg( lo.loop_frame ) );
				LocalFileMng::writeXmlString( layerNode, "loops", QString("%1").arg( lo.count ) );
				LocalFileMng::writeXmlString( layerNode, "endframe", QString("%1").arg( lo.end_frame ) );
				LocalFileMng::writeXmlString( layerNode, "userubber", QString("%1").arg( ro.use ) );
				LocalFileMng::writeXmlString( layerNode, "rubberdivider", QString("%1").arg( ro.divider ) );
				LocalFileMng::writeXmlString( layerNode, "rubberCsettings", QString("%1").arg( ro.c_settings ) );
				LocalFileMng::writeXmlString( layerNode, "rubberPitch", QString("%1").arg( ro.pitch ) );
				LocalFileMng::writeXmlString( layerNode, "min", QString("%1").arg( pLayer->get_start_velocity() ) );
				LocalFileMng::writeXmlString( layerNode, "max", QString("%1").arg( pLayer->get_end_velocity() ) );
				LocalFileMng::writeXmlString( layerNode, "gain", QString("%1").arg( pLayer->get_gain() ) );
				LocalFileMng::writeXmlString( layerNode, "pitch", QString("%1").arg( pLayer->get_pitch() ) );


				Sample::VelocityEnvelope* velocity = pSample->get_velocity_envelope();
				for (int y = 0; y < velocity->size(); y++){
					QDomNode volumeNode = doc.createElement( "volume" );
					LocalFileMng::writeXmlString( volumeNode, "volume-position", QString("%1").arg( velocity->at(y).frame ) );
					LocalFileMng::writeXmlString( volumeNode, "volume-value", QString("%1").arg( velocity->at(y).value ) );
					layerNode.appendChild( volumeNode );
				}

				Sample::PanEnvelope* pan = pSample->get_pan_envelope();
				for (int y = 0; y < pan->size(); y++){
					QDomNode panNode = doc.createElement( "pan" );
					LocalFileMng::writeXmlString( panNode, "pan-position", QString("%1").arg( pan->at(y).frame ) );
					LocalFileMng::writeXmlString( panNode, "pan-value", QString("%1").arg( pan->at(y).value ) );
					layerNode.appendChild( panNode );
				}

				componentNode.appendChild( layerNode );
			}
			instrumentNode.appendChild( componentNode );
		}

		instrumentListNode.appendChild( instrumentNode );
	}
	songNode.appendChild( instrumentListNode );


	// pattern list
	QDomNode patternListNode = doc.createElement( "patternList" );

	unsigned nPatterns = song->get_pattern_list()->size();
	for ( unsigned i = 0; i < nPatterns; i++ ) {
		Pattern *pat = song->get_pattern_list()->get( i );

		// pattern
		QDomNode patternNode = doc.createElement( "pattern" );
		LocalFileMng::writeXmlString( patternNode, "name", pat->get_name() );
		LocalFileMng::writeXmlString( patternNode, "category", pat->get_category() );
		LocalFileMng::writeXmlString( patternNode, "size", QString("%1").arg( pat->get_length() ) );
		LocalFileMng::writeXmlString( patternNode, "info", pat->get_info() );

		QDomNode noteListNode = doc.createElement( "noteList" );
		const Pattern::notes_t* notes = pat->get_notes();
		FOREACH_NOTE_CST_IT_BEGIN_END(notes,it) {
			Note *pNote = it->second;
			assert( pNote );

			QDomNode noteNode = doc.createElement( "note" );
			LocalFileMng::writeXmlString( noteNode, "position", QString("%1").arg( pNote->get_position() ) );
			LocalFileMng::writeXmlString( noteNode, "leadlag", QString("%1").arg( pNote->get_lead_lag() ) );
			LocalFileMng::writeXmlString( noteNode, "velocity", QString("%1").arg( pNote->get_velocity() ) );
			LocalFileMng::writeXmlString( noteNode, "pan_L", QString("%1").arg( pNote->get_pan_l() ) );
			LocalFileMng::writeXmlString( noteNode, "pan_R", QString("%1").arg( pNote->get_pan_r() ) );
			LocalFileMng::writeXmlString( noteNode, "pitch", QString("%1").arg( pNote->get_pitch() ) );
			LocalFileMng::writeXmlString( noteNode, "probability", QString("%1").arg( pNote->get_probability() ) );

			LocalFileMng::writeXmlString( noteNode, "key", pNote->key_to_string() );

			LocalFileMng::writeXmlString( noteNode, "length", QString("%1").arg( pNote->get_length() ) );
			LocalFileMng::writeXmlString( noteNode, "instrument", QString("%1").arg( pNote->get_instrument()->get_id() ) );

			QString noteoff = "false";
			if ( pNote->get_note_off() ) noteoff = "true";
			LocalFileMng::writeXmlString( noteNode, "note_off", noteoff );
			noteListNode.appendChild( noteNode );

		}
		patternNode.appendChild( noteListNode );

		patternListNode.appendChild( patternNode );
	}

int LocalFileMng::savePattern( Song *song , const QString& drumkit_name, int selectedpattern , const QString& patternname, const QString& realpatternname, int mode)
{
	//int mode = 1 save, int mode = 2 save as
	// INSTRUMENT NODE

	Instrument *instr = song->get_instrument_list()->get( 0 );
	assert( instr );

	Pattern *pat = song->get_pattern_list()->get( selectedpattern );

	QString sPatternDir = Preferences::get_instance()->getDataDirectory() + "patterns/" +  drumkit_name;

	INFOLOG( "[savePattern]" + sPatternDir );

	// check if the directory exists
	QDir dir( sPatternDir );
	QDir dirPattern( sPatternDir );
	if ( !dir.exists() ) {
		dir.mkdir( sPatternDir );// create the drumkit directory
	}

	QString sPatternXmlFilename;
	// create the drumkit.xml file
	switch ( mode ){
	case 1: //save
		sPatternXmlFilename = sPatternDir + "/" + QString( patternname + QString( ".h2pattern" ));
		break;
	case 2: //save as
		sPatternXmlFilename = patternname;
		break;
	case 3: //"save" but overwrite a existing pattern. mode 3 disable the last file exist check
		sPatternXmlFilename = sPatternDir + "/" + QString( patternname + QString( ".h2pattern" ));
		break;
	case 4: //tmp pattern needed by undo/redo
		sPatternXmlFilename = patternname;
	default:
		WARNINGLOG( "Pattern Save unknown status");
		break;

	}

	//test if the file exists
	QFile testfile( sPatternXmlFilename );
	if ( testfile.exists() && mode == 1)
		return 1;

	QDomDocument doc;
	QDomProcessingInstruction header = doc.createProcessingInstruction( "xml", "version=\"1.0\" encoding=\"UTF-8\"");
	doc.appendChild( header );

	QDomNode rootNode = doc.createElement( "drumkit_pattern" );
	//LIB_ID just in work to get better usability
	//writeXmlString( &rootNode, "LIB_ID", "in_work" );
	writeXmlString( rootNode, "pattern_for_drumkit", drumkit_name );
	writeXmlString( rootNode, "author", song->get_author() );
	writeXmlString( rootNode, "license", song->get_license() );


	// pattern
	QDomNode patternNode = doc.createElement( "pattern" );
	writeXmlString( patternNode, "pattern_name", realpatternname );

	QString category;
	if ( pat->get_category().isEmpty() )
		category = "No category";
	else
		category = pat->get_category();

	writeXmlString( patternNode, "info", pat->get_info() );
	writeXmlString( patternNode, "category", category  );
	writeXmlString( patternNode, "size", QString("%1").arg( pat->get_length() ) );

	QDomNode noteListNode = doc.createElement( "noteList" );
	const Pattern::notes_t* notes = pat->get_notes();
	FOREACH_NOTE_CST_IT_BEGIN_END(notes,it) {
		Note *pNote = it->second;
		assert( pNote );

		QDomNode noteNode = doc.createElement( "note" );
		writeXmlString( noteNode, "position", QString("%1").arg( pNote->get_position() ) );
		writeXmlString( noteNode, "leadlag", QString("%1").arg( pNote->get_lead_lag() ) );
		writeXmlString( noteNode, "velocity", QString("%1").arg( pNote->get_velocity() ) );
		writeXmlString( noteNode, "pan_L", QString("%1").arg( pNote->get_pan_l() ) );
		writeXmlString( noteNode, "pan_R", QString("%1").arg( pNote->get_pan_r() ) );
		writeXmlString( noteNode, "pitch", QString("%1").arg( pNote->get_pitch() ) );

		writeXmlString( noteNode, "key", pNote->key_to_string() );

		writeXmlString( noteNode, "length", QString("%1").arg( pNote->get_length() ) );
		writeXmlString( noteNode, "instrument", QString("%1").arg( pNote->get_instrument()->get_id() ) );
		noteListNode.appendChild( noteNode );
	}