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Viewing changes to TuxGuitar/src/org/herac/tuxguitar/gui/table/TGTableCanvasPainter.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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TuxGuitar/src/org/herac/tuxguitar/gui/table/TGTableCanvasPainter.java
 
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package org.herac.tuxguitar.gui.table;
 
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import org.eclipse.swt.SWT;
 
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import org.eclipse.swt.events.PaintEvent;
 
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import org.eclipse.swt.events.PaintListener;
 
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import org.eclipse.swt.graphics.Color;
 
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import org.herac.tuxguitar.gui.TuxGuitar;
 
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import org.herac.tuxguitar.gui.editors.TGPainter;
 
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import org.herac.tuxguitar.gui.editors.tab.TGMeasureImpl;
 
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import org.herac.tuxguitar.song.models.TGTrack;
 
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public class TGTableCanvasPainter implements PaintListener{
 
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        private TGTableViewer viewer;
 
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        private TGTrack track;
 
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        public TGTableCanvasPainter(TGTableViewer viewer,TGTrack track){
 
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                this.viewer = viewer;
 
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                this.track = track;
 
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        }
 
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        public void paintControl(PaintEvent e) {
 
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                TGPainter painter = new TGPainter(e.gc);
 
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                paintTrack(painter);
 
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        }
 
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        protected void paintTrack(TGPainter painter){
 
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                if(!TuxGuitar.instance().isLocked()){
 
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                        TuxGuitar.instance().lock();
 
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                        int x = -this.viewer.getHScrollSelection();
 
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                        int y = 0;
 
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                        int size = this.viewer.getTable().getRowHeight();
 
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                        int width = painter.getGC().getDevice().getBounds().width;
 
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                        boolean playing = TuxGuitar.instance().getPlayer().isRunning();
 
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                        painter.setBackground(painter.getGC().getDevice().getSystemColor(SWT.COLOR_GRAY));
 
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                        painter.initPath(TGPainter.PATH_FILL);
 
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                        painter.addRectangle(0,y,width,size);
 
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                        painter.closePath();
 
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                        Color trackColor = new Color(painter.getGC().getDevice(),this.track.getColor().getR(),this.track.getColor().getG(),this.track.getColor().getB());
 
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                        painter.setBackground(trackColor);
 
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                        painter.setForeground(trackColor);
 
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                        int count = this.track.countMeasures();
 
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                        for(int j = 0;j < count;j++){
 
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                                TGMeasureImpl measure = (TGMeasureImpl)this.track.getMeasure(j);
 
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                                if(isRestMeasure(measure)){
 
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                                        painter.initPath();
 
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                                        painter.addRectangle(x,y,size - 2,size - 1);
 
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                                        painter.closePath();
 
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                                }else{
 
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                                        painter.initPath(TGPainter.PATH_FILL);
 
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                                        painter.addRectangle(x,y,size - 1,size );
 
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                                        painter.closePath();
 
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                                }
 
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                                boolean hasCaret = TuxGuitar.instance().getTablatureEditor().getTablature().getCaret().getMeasure().equals(measure);
 
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                                if((playing && measure.isPlaying(this.viewer.getEditor().getTablature().getViewLayout())) || (!playing && hasCaret)){
 
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                                        painter.setBackground(painter.getGC().getDevice().getSystemColor(SWT.COLOR_BLACK));
 
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                                        painter.initPath(TGPainter.PATH_FILL);
 
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                                        painter.addRectangle(x + 4,y + 4,size - 9,size - 8);
 
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                                        painter.closePath();
 
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                                        painter.setBackground(trackColor);
 
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                                }
 
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                                x += size;
 
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                        }
 
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                        trackColor.dispose();
 
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                        TuxGuitar.instance().unlock();
 
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                }
 
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        }
 
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        private boolean isRestMeasure(TGMeasureImpl measure){
 
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                int beatCount = measure.countBeats();
 
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                for(int i = 0; i < beatCount; i++){
 
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                        if( !measure.getBeat(i).isRestBeat() ){
 
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                                return false;
 
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                        }
 
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                }
 
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                return true;
 
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        }
 
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}