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package org.herac.tuxguitar.gui.editors.tab;
import org.herac.tuxguitar.gui.editors.tab.layout.ViewLayout;
import org.herac.tuxguitar.song.factory.TGFactory;
import org.herac.tuxguitar.song.models.TGMeasureHeader;
public class TGMeasureHeaderImpl extends TGMeasureHeader{
/**
* Espacio por defecto del timeSignature
*/
private static final int DEFAULT_TIME_SIGNATURE_SPACING = 30;
/**
* Espacio por defecto a la izquierda
*/
private static final int DEFAULT_LEFT_SPACING = 15;
/**
* Espacio por defecto a la derecha
*/
private static final int DEFAULT_RIGHT_SPACING = 15;
private static final int PAINT_TEMPO = 0x01;
private static final int PAINT_TRIPLET_FEEL = 0x02;
private static final int PAINT_TIME_SIGNATURE = 0x04;
private int paintFlags;
private int maxQuarterSpacing;
private int maxClefSpacing;
private int maxKeySignatureSpacing;
private int maxWidth;
public TGMeasureHeaderImpl(TGFactory factory){
super(factory);
}
public void reset() {
this.maxWidth = 0;
this.paintFlags = 0;
this.maxQuarterSpacing = 0;
this.maxClefSpacing = 0;
this.maxKeySignatureSpacing = 0;
}
public void update(ViewLayout layout, int index) {
this.reset();
this.calculateMeasureChanges(layout);
int trackCount = getSong().countTracks();
for (int trackIdx = 0; trackIdx < trackCount; trackIdx++) {
TGTrackImpl track = (TGTrackImpl)getSong().getTrack(trackIdx);
TGMeasureImpl measure = (TGMeasureImpl) track.getMeasure( index );
measure.calculateMeasureChanges(layout);
}
}
public void calculateMeasureChanges(ViewLayout layout) {
TGMeasureHeader previous = layout.getSongManager().getPrevMeasureHeader(this);
if(previous == null){
this.paintFlags |= PAINT_TEMPO;
this.paintFlags |= ((this.getTripletFeel() != TGMeasureHeader.TRIPLET_FEEL_NONE)?PAINT_TRIPLET_FEEL:0);
this.paintFlags |= PAINT_TIME_SIGNATURE;
}else{
//Tempo
if(this.getTempo().getValue() != previous.getTempo().getValue()){
this.paintFlags |= PAINT_TEMPO;
}
//Triplet Feel
if(this.getTripletFeel() != previous.getTripletFeel()){
this.paintFlags |= PAINT_TRIPLET_FEEL;
}
//Time Signature
int thisNumerator = this.getTimeSignature().getNumerator();
int thisValue = this.getTimeSignature().getDenominator().getValue();
int prevNumerator = previous.getTimeSignature().getNumerator();
int prevValue = previous.getTimeSignature().getDenominator().getValue();
if(thisNumerator != prevNumerator || thisValue != prevValue){
this.paintFlags |= PAINT_TIME_SIGNATURE;
}
}
}
public boolean shouldPaintTempo(){
return ( (this.paintFlags & PAINT_TEMPO) != 0 );
}
public boolean shouldPaintTripletFeel(){
return ( (this.paintFlags & PAINT_TRIPLET_FEEL) != 0 );
}
public boolean shouldPaintTimeSignature(){
return ( (this.paintFlags & PAINT_TIME_SIGNATURE) != 0 );
}
public int getMaxQuarterSpacing() {
return this.maxQuarterSpacing;
}
public void notifyQuarterSpacing(int spacing) {
this.maxQuarterSpacing = ((spacing > this.maxQuarterSpacing) ? spacing : this.maxQuarterSpacing );
}
public int getClefSpacing(ViewLayout layout, TGMeasureImpl measure){
return (!measure.isPaintClef() && (layout.getStyle() & ViewLayout.DISPLAY_MULTITRACK) == 0 ? 0 : this.maxClefSpacing );
}
public int getKeySignatureSpacing(ViewLayout layout, TGMeasureImpl measure){
return (!measure.isPaintKeySignature() && (layout.getStyle() & ViewLayout.DISPLAY_MULTITRACK) == 0 ? 0 : this.maxKeySignatureSpacing );
}
public int getTempoSpacing(ViewLayout layout){
return (shouldPaintTempo()? Math.round( 45 * layout.getScale() ):0);
}
public int getTripletFeelSpacing(ViewLayout layout){
return (shouldPaintTripletFeel()? Math.round( 55 * layout.getScale() ):0);
}
public int getTimeSignatureSpacing(ViewLayout layout){
return (shouldPaintTimeSignature()? Math.round( DEFAULT_TIME_SIGNATURE_SPACING * layout.getScale() ):0);
}
public int getLeftSpacing(ViewLayout layout){
return Math.round( DEFAULT_LEFT_SPACING * layout.getScale() );
}
public int getRightSpacing(ViewLayout layout){
return Math.round( DEFAULT_RIGHT_SPACING * layout.getScale() );
}
public int getFirstNoteSpacing(ViewLayout layout, TGMeasureImpl measure){
int topSpacing = getTempoSpacing(layout) + getTripletFeelSpacing(layout);
int middleSpacing = getClefSpacing(layout,measure) + getKeySignatureSpacing(layout,measure) + getTimeSignatureSpacing(layout);
return Math.round(Math.max( topSpacing , middleSpacing) + (10f * layout.getScale()));
}
public void notifyClefSpacing(int spacing){
this.maxClefSpacing = ((spacing > this.maxClefSpacing)?spacing:this.maxClefSpacing);
}
public void notifyKeySignatureSpacing(int spacing){
this.maxKeySignatureSpacing = ((spacing > this.maxKeySignatureSpacing) ? spacing : this.maxKeySignatureSpacing);
}
public void notifyWidth(int width){
this.maxWidth = ((width > this.maxWidth)?width:this.maxWidth);
}
public int getMaxWidth(){
return this.maxWidth;
}
}
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