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| public class ScreenPrinter3 extends JLabel implements Scrollable, MouseMotionListener{
private int tabValue[] = new int[2048];
private int maxUnitIncrement = 1;
//private ArrayList<int[]> list = new ArrayList< int[]>();
private ArrayList<Integer> list = new ArrayList< Integer>();
/**
* Constructeur par defaut
*/
public ScreenPrinter3(int inMaxUnitIncrement){
maxUnitIncrement = inMaxUnitIncrement;
}
/**
*
*/
public void AddLine(){
double doubleVal = Math.random();
int intVal = (int) (doubleVal * 2048) ;
list.add(intVal);
this.repaint();
}
/**
*
*/
public void paintComponent(Graphics g){
// largeur
int widthJPanel = this.getWidth() ;
// hauteur
//int heightJPanel = this.getHeight() ;
int heightJPanel = list.size() ;
Dimension dim = new Dimension(widthJPanel, heightJPanel);
setMinimumSize(dim);
setPreferredSize(dim);
setMaximumSize(dim);
//g.setColor(new Color(1.0f, 1.0f, 1.0f)); // blanc
g.setColor(new Color(1.0f, 0.0f, 0.0f)); // blanc
g.fillRect(0, 0, widthJPanel, heightJPanel);
g.setColor(new Color(0.0f, 0.0f, 0.0f)); // noir
if(list.size() == 0)
return ;
int cpt = 0 ;
// on doit inverser la descente du schema pour avoir l'effet "sismographe"
ArrayList<Integer> reverseList = new ArrayList< Integer>();
for(int i=list.size()-1; i>=0; i--)
reverseList.add(list.get(i));
for(Integer oneLine : reverseList)
{
int x1 = 0 ;
int y1 = 0 ;
int x2 = widthJPanel * (2048 - oneLine) / 2048 ;
int y2 = 0 ;
g.drawLine(0, cpt, x2, cpt);
cpt++;
}
Print(reverseList);
}
public Dimension getPreferredSize() {
return new Dimension(super.getWidth(), list.size());
//return super.getPreferredSize();
}
//*/
@Override
public Dimension getPreferredScrollableViewportSize() {
// TODO Auto-generated method stub
return getPreferredSize();
}
@Override
public int getScrollableBlockIncrement(Rectangle visibleRect,
int orientation,
int direction) {
if (orientation == SwingConstants.HORIZONTAL) {
return visibleRect.width - maxUnitIncrement;
} else {
return visibleRect.height - maxUnitIncrement;
}
}
@Override
public boolean getScrollableTracksViewportHeight() {
// TODO Auto-generated method stub
return false;
}
@Override
public boolean getScrollableTracksViewportWidth() {
// TODO Auto-generated method stub
return false;
}
@Override
public int getScrollableUnitIncrement(Rectangle visibleRect,
int orientation,
int direction) {
//Get the current position.
int currentPosition = 0;
if (orientation == SwingConstants.HORIZONTAL) {
currentPosition = visibleRect.x;
} else {
currentPosition = visibleRect.y;
}
//Return the number of pixels between currentPosition
//and the nearest tick mark in the indicated direction.
if (direction < 0) {
int newPosition = currentPosition - (currentPosition / maxUnitIncrement) * maxUnitIncrement;
return (newPosition == 0) ? maxUnitIncrement : newPosition;
} else {
return ((currentPosition / maxUnitIncrement) + 1) * maxUnitIncrement - currentPosition;
}
}
//*/
/**
*
*/
public void Print(ArrayList<Integer> inReverseList){
System.out.println("fonction test du panel");
try {
Calendar calendar = Calendar.getInstance();
int hour = calendar.get(Calendar.HOUR_OF_DAY);
int minute = calendar.get(Calendar.MINUTE);
int day = calendar.get(Calendar.DAY_OF_MONTH);
int month = calendar.get(Calendar.MONTH);
int year = calendar.get(Calendar.YEAR);
// on recupere la taille de l'image, en largeur 2048, en hauteur le nombre de ligne
int width = 2048;
int height = inReverseList.size();
// Create a buffered image with transparency
BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY);
// Draw the image on to the buffered image
Graphics2D bGr = bimage.createGraphics();
int cpt = 0 ;
for(Integer oneLine : inReverseList)
{
bGr.drawLine(oneLine, cpt, 0, cpt);
cpt++;
}
bGr.dispose();
StringBuffer strBffr = new StringBuffer();
strBffr.append(year).append(month).append(day).append("_").append(hour).append("_").append(minute).append(".png");
ImageIO.write(bimage,"PNG",new File(strBffr.toString()));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Converts a given Image into a BufferedImage
*
* @param img The Image to be converted
* @return The converted BufferedImage
*/
public static BufferedImage toBufferedImage(Image img)
{
if (img instanceof BufferedImage)
{
return (BufferedImage) img;
}
// Create a buffered image with transparency
BufferedImage bimage = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
// Draw the image on to the buffered image
Graphics2D bGr = bimage.createGraphics();
bGr.drawImage(img, 0, 0, null);
bGr.dispose();
// Return the buffered image
return bimage;
}
} |
Sismographe dans un JScrollePane
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