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| protected void paintComponent(Graphics g)
{
double a=System.currentTimeMillis();
Graphics2D g2d = (Graphics2D) g.create();
Graphics g2 = g.create();
try
{
if (isDragging & init==false)
{
renderOffscreen(g2d,"dragging");
}
else if(isMoving & init==false)
{
renderOffscreen(g2d,"moving");
}
else
{
renderDirectly(g2);
}
}
finally
{
g2d.dispose();
g2.dispose();
}
double b=System.currentTimeMillis();
System.out.println(b-a); //en général 150ms ... 300ms parfois
}
protected void renderDirectly(Graphics g)
{
init = false;
super.paintComponent(g);
//draw the Items
for (Iterator<Item> it = alItem.iterator(); it.hasNext(); )
{
Item iItem = it.next();
iItem.drawItem(g);
}
}
//create Compatible Images for graphic optimizations
public static BufferedImage createCompatibleImg(BufferedImage pic, String loc)
{
GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
if (pic.getColorModel().equals(gc.getColorModel()))
{
return pic;
}
else
{
BufferedImage newCompatibleImage = gc.createCompatibleImage(pic.getWidth(),pic.getHeight(),pic.getTransparency());
Graphics g = newCompatibleImage.getGraphics();
g.drawImage(pic, 0, 0, null);
g.dispose();
return newCompatibleImage;
}
}
void createPaneImage()
{
Dimension size = this.getSize(); //taille du Panel, de la partie visible de la carte quoi...
if (offscreen == null || offscreen.getWidth() != size.width || offscreen.getHeight() != size.height)
{
GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
offscreen = gc.createCompatibleImage(size.width, size.height);
}
Graphics2D g = offscreen.createGraphics(); //Graphics g changé en g2D
try {
renderDirectly(g);
}
finally {
g.dispose();
}
}
protected void renderOffscreen(Graphics2D g, String mode)
{
super.paintComponent(g);
//draw rules when Drag
if(mode.compareTo("dragging")==0)
{
if (offscreen == null)
{
createPaneImage();
}
if (dragX != 0 || dragY != 0)
{
for (Iterator<Item> it = alItem.iterator(); it.hasNext(); )
{
Item iItem = it.next();
if(iItem.getVisibility()) //if visible (for the box)
{
if(iItem.getLoc()!=null)
g.drawString(iItem.getLoc(), iItem.getLocX(), iItem.getLocY());
g.drawImage(iItem.getImgToDraw(), iItem.getX(), iItem.getY(), iItem.getW(), iItem.getH(), null);
}
}
}
}
//draw rules when Move
else if(mode.compareTo("moving")==0)
{
Shape clip = g.getClip();
final int clipX = clip.getBounds().x;
final int clipY = clip.getBounds().y;
final int clipXwidth = clip.getBounds().x + clip.getBounds().width;
final int clipYheight = clip.getBounds().y + clip.getBounds().height;
for (Iterator<Item> it = alItem.iterator(); it.hasNext(); )
{
Item iItem = it.next();
Pattern pattern_Item = Pattern.compile("^./images/Item/");
Matcher matcher_Item = pattern_Item.matcher(iItem.getPath());
Pattern pattern_Box = Pattern.compile("^./images/Box/");
Matcher matcher_Box = pattern_Box.matcher(iItem.getPath());
if(clipXwidth==getIndexX(getIndex(iItem.getName()))+getIndexW(getIndex(iItem.getName())) & clipX==getIndexX(getIndex(iItem.getName())) & clipYheight==getIndexY(getIndex(iItem.getName()))+getIndexH(getIndex(iItem.getName())) & clipY==getIndexY(getIndex(iItem.getName())))
{
if(matcher_Item.find()==true)
{
//pour vérifier si la zone de clip est bonne... et OUI, elle l'est
System.out.println("clip "+iItem.getName()+" "+clipX+"x"+clipY+" "+clipXwidth+"x"+clipYheight);
g.setColor(new Color(134,55,83));
g.fillRect(clipX-space2pole+iItem.getW()/2,clipY,clipXwidth+2*space2pole+2*iItem.getW(),clipYheight);
if(iItem.getVisibility()) //if visible (for the box)
g.drawImage(iItem.getImgToDraw(), clipX, clipY, iItem.getW(), iItem.getH(), null);
}
if(matcher_Box.find()==true)
{
//draws the BoxClose/Over
g.drawImage(iItem.getImgToDraw(), iItem.getX(), iItem.getY(), null);
}
}
}
}
} |
ArrayList de 500 objets : ça rame
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Pour que repaint(x,y,w,h) soit utile tu dois gérer la zone de clip de ton Graphics dans paintComponent()...
Envoyé par baltam
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