~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.gui.editors.tab;

 

import org.eclipse.swt.graphics.GC;

import org.herac.tuxguitar.gui.editors.tab.layout.TrackSpacing;

import org.herac.tuxguitar.gui.editors.tab.layout.ViewLayout;

 

public class LyricPainter {

        private SongTrackCoords trackCoords;

        private String[] lyricBeats;            

        private int from;       

        private int height;

        int nextIndex = 0;

        

        public LyricPainter(SongTrackCoords trackCoords){

                this.trackCoords = trackCoords;

                this.update();

        }

        

        public void update(){

                this.lyricBeats = trackCoords.getTrack().getLyrics().getLyricBeats();

                this.from = trackCoords.getTrack().getLyrics().getFrom();

                this.height = 0;

                if(this.lyricBeats != null && this.lyricBeats.length > 0){

                        this.height = 10;

                }

        }

           

        public void start(){

                this.start(0);

        }

 

        public void start(int index){

                this.nextIndex = index;

        }

 

 

        public void setCurrentMeasure(MeasureCoords measure){

                if(measure.getMeasure().getNumber() >= from){

                        measure.setLyricBeatIndex(nextIndex);

                        this.nextIndex += measure.getBeatPositions().size();

                }else{

                        measure.setLyricBeatIndex(-1);

                        this.start();

                }

        }

 

        public void paintCurrentNoteBeats(GC gc,ViewLayout layout,MeasureCoords currentMeasure ,int fromX,int fromY){

                int beatIndex = currentMeasure.getLyricBeatIndex();

                if(this.lyricBeats != null && beatIndex >= 0 && beatIndex < this.lyricBeats.length){

                        for(int i = 0;i < currentMeasure.getBeatPositions().size();i ++){

                                MeasureCoords.BeatPosition noteBeat = (MeasureCoords.BeatPosition)currentMeasure.getBeatPositions().get(i);

                        

                                if((beatIndex + i) < this.lyricBeats.length){

                                        String str = lyricBeats[beatIndex + i];

                                        if(str.trim().length() > 0){

                                                int x = fromX + noteBeat.getPosX();

                                        

                                                layout.setLyricStyle(gc);

                                                if(layout.isPlayModeEnabled() && noteBeat.isPlayingBeat()){

                                                layout.setPlayNoteColor(gc);

                                        }                                                                                       

                                                

                                                gc.drawString(str,x + 13,(fromY + currentMeasure.getTs().getPosition(TrackSpacing.POSITION_LYRIC)));

                                                layout.setTabNoteColor(gc);

                                        }                       

                                }

                        }               

                }

        }

 

        public int getHeight(){

                return height;

        }

}