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SegmentGraphicsPanel Class Reference

Inheritance diagram for SegmentGraphicsPanel::

FrameNavigator List of all members.

Public Methods

 SegmentGraphicsPanel (FrameNavigatorUser u, int imWidth, int imHeight)
void setNumberOfFrames (int maxFrame)
void setUser (FrameNavigatorUser u)
void setShowGrid (boolean show)
void paint (Graphics g)
void clearImage ()
void updateSegs (HxCorba.VxSegmentationOperations seg, String name, Color col)
void setCurrentFrame (int frameNr)
void updateSegs (HxCorba.VxTimeSpan[] times, String name, Color col)

Protected Methods

void paintComponent (Graphics g)

Constructor & Destructor Documentation

SegmentGraphicsPanel::SegmentGraphicsPanel (  FrameNavigatorUser    u,
int    imWidth,
int    imHeight
)  [inline]
  

00024 {
00025     _initialWidth = imWidth;
00026     //_imHeight = imHeight;
00027     addMouseListener(new JumpMouseListener());
00028     addMouseMotionListener(new GridMouseListener());
00029 
00030     //_image = new BufferedImage(imWidth, imHeight, BufferedImage.TYPE_INT_RGB);
00031 
00032     _curFrame = 0;
00033     _user = u;
00034     _fScale = 1.0;
00035     _maxFrame = _initialWidth;
00036 
00037     clearImage();
00038 }

Member Function Documentation

void SegmentGraphicsPanel::setNumberOfFrames (  int    maxFrame )  [inline]
 

Reimplemented from FrameNavigator. 

00041 {
00042     _maxFrame = maxFrame;
00043     _fScale = (double) _initialWidth / maxFrame;
00044 
00045     clearImage();
00046 }

void SegmentGraphicsPanel::setUser (  FrameNavigatorUser    u )  [inline]
 

Reimplemented from FrameNavigator. 

00049 {
00050     _user = u;
00051 }

void SegmentGraphicsPanel::setShowGrid (  boolean    show )  [inline]
  

00054 {
00055     _showGrid = show;
00056     repaint();
00057 }

void SegmentGraphicsPanel::paintComponent (  Graphics    g )  [inline, protected]
  

00060 {
00061     Dimension d = getSize();
00062     g.setColor(Color.white);
00063     g.fillRect(0, 0, d.width, d.height);
00064 
00065     if(_showGrid) {
00066         g.setColor(Color.lightGray);
00067         g.drawImage(_gridImage, 0, 5, null);
00068         for(int x=0; x < d.width; x+= _gridWidth)
00069             g.drawLine(x, 0, x, d.height);
00070     }
00071 
00072     int fr = (int) (_fScale * _curFrame);
00073     g.setColor(Color.green);
00074     g.drawLine(fr, 0, fr, d.height);
00075 }

void SegmentGraphicsPanel::paint (  Graphics    g )  [inline]
  

00078 {
00079     super.paint(g);
00080 
00081     if(_dragPos > 0) {
00082         g.setColor(Color.gray);
00083         g.drawLine(_dragPos, 0, _dragPos, getSize().height);
00084         g.drawString(""+(_dragGrid * _gridStep), _dragPos+5, 10+5);
00085     }
00086 }

void SegmentGraphicsPanel::clearImage (    )  [inline]
  

00089 {
00090     //Graphics2D imGraphics = _image.createGraphics();
00091     //imGraphics.setColor(Color.white);
00092     //imGraphics.fillRect(0, 0, _initialWidth, _imHeight);
00093 
00094     removeAll();
00095 
00096     int width = (int)(_maxFrame * _fScale);
00097     _segOffset = INITIAL_OFFSET;
00098     setPreferredSize(new Dimension(width, _segOffset));
00099     revalidate();
00100 
00101     _gridStep = closestNiceNum((int)(GRID_DISTANCE / _fScale));
00102     _gridWidth = (int)(_gridStep * _fScale);
00103 
00104     if(width < getSize().width) width = getSize().width;
00105 
00106     _gridImage = makeBufferedImage(width, SEG_HEIGHT);
00107     Graphics2D imGraphics = _gridImage.createGraphics();
00108     imGraphics.setColor(Color.lightGray);
00109     int label = 0;
00110     for(int x=0; x<width; x+=_gridWidth, label += _gridStep)
00111         imGraphics.drawString(""+label, x+5, 10);
00112 
00113     repaint();
00114 }

void SegmentGraphicsPanel::updateSegs (  HxCorba.VxSegmentationOperations    seg,
String    name,
Color    col
)  [inline]
  

00131 {
00132     updateSegs(seg.getTimeSpans(), name, col);
00133 }

void SegmentGraphicsPanel::setCurrentFrame (  int    frameNr )  [inline]
 

Reimplemented from FrameNavigator. 

00136 {
00137     _curFrame = frameNr;
00138     // make sure curFrame is visible
00139     int sf = (int) (_fScale * _curFrame);
00140     JViewport viewport = (JViewport)getParent();
00141     Rectangle r = viewport.getViewRect();
00142     if ((sf < r.x) || (sf > r.x + r.width)) {
00143         sf = sf - 10;
00144         if (sf < 0)
00145             sf = 0;
00146         viewport.setViewPosition(new Point(sf, 0));
00147     }
00148 
00149     repaint();
00150 }

void SegmentGraphicsPanel::updateSegs (  HxCorba.VxTimeSpan    times[],
String    name,
Color    col
)  [inline]
  

00246 {
00247     int width = (int)(_maxFrame * _fScale);
00248 
00249     JComponent component;
00250 
00251     try {
00252         BufferedImage im = makeBufferedImage(width, SEG_HEIGHT+1);
00253         Graphics2D imGraphics = im.createGraphics();
00254         imGraphics.setColor(col);
00255         for (int i=0; i<times.length; i++) {
00256             int x = times[i].start;
00257             int w = times[i].end - x;
00258             double sx = _fScale * x;
00259             double sw = _fScale * w;
00260             Shape shp = new java.awt.geom.Rectangle2D.Double(sx, 0, sw, SEG_HEIGHT);
00261             imGraphics.draw(shp);
00262         }
00263 
00264         component = makeImageComponent(im);
00265     }
00266     catch(OutOfMemoryError err) { // image too big
00267         component = new JLabel(" OutOfMemoryError!");
00268         component.setSize(component.getPreferredSize());
00269         component.setForeground(col);
00270     }
00271 
00272     component.setLocation(0, _segOffset);
00273     component.setToolTipText(name);
00274     component.putClientProperty(TIMES_PROP, times);
00275     component.putClientProperty(COLOR_PROP, col);
00276     add(component);
00277 
00278     _segOffset += SEG_HEIGHT + SEG_DISTANCE;
00279     setPreferredSize(new Dimension(width, _segOffset));
00280     revalidate();
00281     repaint();
00282 }

The documentation for this class was generated from the following file:
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