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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/gui/editors/tab/TGMeasureHeaderImpl.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mfrom: (1.1.1 upstream) (2.1.3 hardy)
  • Revision ID: james.westby@ubuntu.com-20080619003030-agens2gvd5m4dacu
http://bugs.debian.org/481728
https://launchpad.net/bugs/176979
https://launchpad.net/bugs/212207
New upstream release (Closes: #481728) also (LP: #176979, #212207)

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