diff options
Diffstat (limited to 'src/main/java/com/kitfox/salamander/renderer/SurfaceManager.java')
| -rwxr-xr-x | src/main/java/com/kitfox/salamander/renderer/SurfaceManager.java | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/src/main/java/com/kitfox/salamander/renderer/SurfaceManager.java b/src/main/java/com/kitfox/salamander/renderer/SurfaceManager.java deleted file mode 100755 index 83cd227..0000000 --- a/src/main/java/com/kitfox/salamander/renderer/SurfaceManager.java +++ /dev/null @@ -1,236 +0,0 @@ -/*
- * SurfaceManager.java
- *
- * Created on April 12, 2007, 8:37 AM
- *
- * To change this template, choose Tools | Template Manager
- * and open the template in the editor.
- */
-
-package com.kitfox.salamander.renderer;
-
-import java.awt.AlphaComposite;
-import java.awt.Graphics2D;
-import java.awt.GraphicsConfiguration;
-import java.awt.image.BufferedImage;
-import java.lang.ref.WeakReference;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.TreeSet;
-import java.util.WeakHashMap;
-
-/**
- *
- * @author kitfox
- */
-public class SurfaceManager implements Runnable
-{
- public class SurfaceInfo
- {
- private BufferedImage image;
- private BufImgInfo info;
-
- SurfaceInfo(BufferedImage image, BufImgInfo info)
- {
- this.image = image;
- this.info = info;
- }
-
- public BufferedImage getBuffer()
- {
- return image;
- }
-
- /**
- * Release resources to be recycled. Do not use the image after calling this.
- */
- public void dispose()
- {
- image = null;
- allocatedSurfs.remove(info);
- pooledSurfs.add(info);
- info.touch();
- info = null;
- }
- }
-
- static class BufImgInfo implements Comparable<BufImgInfo>
- {
- final int width;
- final int height;
- final int area;
- WeakReference<SurfaceInfo> surfRef;
- final BufferedImage image;
- long touchTime;
-
- BufImgInfo(BufferedImage image)
- {
- this.width = image.getWidth();
- this.height = image.getHeight();
- this.area = width * height;
-// ref = new SoftReference(img);
- this.image = image;
-// this.surfRef = new WeakReference<SurfaceInfo>(null);
- }
-
- public void attach(SurfaceInfo surf)
- {
- surfRef = new WeakReference(surf);
-// touch();
- }
-
- public int compareTo(SurfaceManager.BufImgInfo obj)
- {
- return area < obj.area ? -1 : (area > obj.area ? 1 : 0);
- }
-
- void touch()
- {
- touchTime = System.currentTimeMillis();
- }
- }
-
- private static final SurfaceManager singleton = new SurfaceManager();
- TreeSet<BufImgInfo> pooledSurfs = new TreeSet<BufImgInfo>();
- HashSet<BufImgInfo> allocatedSurfs = new HashSet<BufImgInfo>();
-// WeakHashMap<SurfaceInfo, BufImgInfo> surfaces = new WeakHashMap<SurfaceInfo, BufImgInfo>();
-
- int SWEEP_DELAY = 10000; //Every 10 seconds
-
- /** Creates a new instance of SurfaceManager */
- private SurfaceManager()
- {
- Thread thread = new Thread(this);
- thread.setDaemon(true);
- thread.start();
- }
-
- public static SurfaceManager getDefault()
- {
- return singleton;
- }
-
- /**
- * @return a new, cleared temporary surface to render upon. Remember to call
- * dispose() on the SurfaceInfo when you're finished with it.
- */
- public SurfaceInfo getSurface(int width, int height, GraphicsConfiguration gc)
- {
- SurfaceInfo surfInfo;
- BufImgInfo bufInfo = null;
- int targetArea = width * height;
-
- //Search for exising surface
- Iterator<BufImgInfo> it = pooledSurfs.iterator();
- for (; it.hasNext();)
- {
- BufImgInfo info = it.next();
- if (info.area >= targetArea)
- {
- if (info.width >= width && info.height >= height)
- {
- bufInfo = info;
- }
- break;
- }
- }
-
- if (bufInfo == null)
- {
- for (; it.hasNext();)
- {
- BufImgInfo info = it.next();
- if (info.area / 2 <= targetArea)
- {
- //Do not use exceptionally poorly fit buffers
- break;
- }
- if (info.width >= width && info.height >= height)
- {
- bufInfo = info;
- break;
- }
- }
- }
-
- if (bufInfo != null)
- {
- //Refurbish
-// BufferedImage img = bufInfo.ref.get();
- BufferedImage img = bufInfo.image;
-
- Graphics2D g = img.createGraphics();
-
- g.setComposite(AlphaComposite.Clear);
- g.fillRect(0, 0, width, height);
-
- g.dispose();
-
- surfInfo = new SurfaceInfo(img.getSubimage(0, 0, width, height), bufInfo);
-// surfaces.put(surfInfo, bufInfo);
- allocatedSurfs.add(bufInfo);
- pooledSurfs.remove(bufInfo);
- }
- else
- {
- //Create a new surface
- BufferedImage img;
- if (gc.getColorModel().hasAlpha())
- {
- img = gc.createCompatibleImage(width, height);
- }
- else
- {
- img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
- }
-
- bufInfo = new BufImgInfo(img);
- surfInfo = new SurfaceInfo(img, bufInfo);
-// surfaces.put(surfInfo, bufInfo);
- allocatedSurfs.add(bufInfo);
- }
-
- bufInfo.attach(surfInfo);
- return surfInfo;
- }
-
- public void run()
- {
- while (true)
- {
- /*
- //Clean up memory leaked images
- for (Iterator<BufImgInfo> it = allocatedSurfs.iterator(); it.hasNext();)
- {
- BufImgInfo info = it.next();
- if (info.surfRef.get() == null)
- {
- it.remove();
- pooledSurfs.add(info);
- info.touch();
- }
- }
- */
-
- //Kill out of date pooled surfaces
- long curTime = System.currentTimeMillis();
- for (Iterator<BufImgInfo> it = pooledSurfs.iterator(); it.hasNext();)
- {
- BufImgInfo info = it.next();
- if ((curTime - info.touchTime) > SWEEP_DELAY)
- {
- it.remove();
- }
- }
-
- try
- {
- Thread.sleep(1000);
- }
- catch (InterruptedException ex)
- {
- ex.printStackTrace();
- }
- }
- }
-}
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