Major media subsystem revamp:

- All images are loaded through the image manager
- Architected to allow the use of prepared or unprepared images (and
  volatile images when the day comes that they support alpha)
- Tunable caches for images and tiles
- Resource manager caches unpacked resources on the filesystem
- Various and sundry other cleanups


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2116 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2003-01-13 22:49:47 +00:00
parent 8743be2131
commit 100aa3ace3
46 changed files with 1602 additions and 888 deletions
@@ -0,0 +1,58 @@
//
// $Id: BackedVolatileMirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import com.threerings.media.Log;
/**
* Provides a volatile mirage that is backed by a buffered image that is
* not obtained from the image manager but is instead provided at
* construct time and completely circumvents the image manager's cache. As
* such, this should not be used unless you know what you're doing.
*/
public class BackedVolatileMirage extends VolatileMirage
{
/**
* Creates a mirage with the supplied regeneration informoation and
* prepared image.
*/
public BackedVolatileMirage (ImageManager imgr, BufferedImage source)
{
super(imgr, new Rectangle(0, 0, source.getWidth(), source.getHeight()));
_source = source;
// create our volatile image for the first time
createVolatileImage();
}
// documentation inherited
protected void refreshVolatileImage ()
{
Graphics gfx = null;
try {
gfx = _image.getGraphics();
gfx.drawImage(_source, -_bounds.x, -_bounds.y, null);
} catch (Exception e) {
Log.warning("Failure refreshing mirage " + this + ".");
Log.logStackTrace(e);
} finally {
gfx.dispose();
}
}
// documentation inherited
protected void toString (StringBuffer buf)
{
super.toString(buf);
buf.append(", src=").append(_source);
}
protected BufferedImage _source;
}
@@ -0,0 +1,53 @@
//
// $Id: BlankMirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
/**
* A mirage implementation that contains no image data. Generally only
* useful for testing.
*/
public class BlankMirage implements Mirage
{
public BlankMirage (int width, int height)
{
_width = width;
_height = height;
}
// documentation inherited from interface
public void paint (Graphics2D gfx, int x, int y)
{
// nothing doing
}
// documentation inherited from interface
public int getWidth ()
{
return _width;
}
// documentation inherited from interface
public int getHeight ()
{
return _height;
}
// documentation inherited from interface
public boolean hitTest (int x, int y)
{
return false;
}
// documentation inherited from interface
public BufferedImage getSnapshot ()
{
return null;
}
protected int _width;
protected int _height;
}
@@ -0,0 +1,50 @@
//
// $Id: BufferedMirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
/**
* A simple mirage implementation that uses a buffered image.
*/
public class BufferedMirage implements Mirage
{
public BufferedMirage (BufferedImage image)
{
_image = image;
}
// documentation inherited from interface
public void paint (Graphics2D gfx, int x, int y)
{
gfx.drawImage(_image, x, y, null);
}
// documentation inherited from interface
public int getWidth ()
{
return _image.getWidth();
}
// documentation inherited from interface
public int getHeight ()
{
return _image.getHeight();
}
// documentation inherited from interface
public boolean hitTest (int x, int y)
{
return ImageUtil.hitTest(_image, x, y);
}
// documentation inherited from interface
public BufferedImage getSnapshot ()
{
return _image;
}
protected BufferedImage _image;
}
@@ -0,0 +1,78 @@
//
// $Id: CachedVolatileMirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import com.threerings.media.Log;
import com.samskivert.util.StringUtil;
/**
* A mirage implementation which allows the image to be maintained in
* video memory and refetched from the image manager in the event that our
* target screen resolution changes or we are flushed from video memory
* for some other reason.
*
* <p> These objects are never created directly, but always obtained from
* the {@link ImageManager}.
*/
public class CachedVolatileMirage extends VolatileMirage
{
/**
* Creates a mirage with the supplied regeneration informoation and
* prepared image.
*/
protected CachedVolatileMirage (
ImageManager imgr, ImageManager.ImageKey source,
Rectangle bounds, Colorization[] zations)
{
super(imgr, bounds);
_source = source;
_zations = zations;
// create our volatile image for the first time
createVolatileImage();
}
/**
* Rerenders our volatile image from the its source image data.
*/
protected void refreshVolatileImage ()
{
Graphics gfx = null;
try {
BufferedImage source = _imgr.getImage(_source, _zations);
gfx = _image.getGraphics();
gfx.drawImage(source, -_bounds.x, -_bounds.y, null);
} catch (Exception e) {
Log.warning("Failure refreshing mirage " + this + ".");
Log.logStackTrace(e);
} finally {
if (gfx != null) {
gfx.dispose();
}
}
}
// documentation inherited
protected void toString (StringBuffer buf)
{
super.toString(buf);
buf.append(", key=").append(_source);
buf.append(", zations=").append(_zations);
}
/** The key that identifies the image data used to create our volatile
* image. */
protected ImageManager.ImageKey _source;
/** Optional colorizations that are applied to our source image when
* creating our mirage. */
protected Colorization[] _zations;
}
@@ -1,5 +1,5 @@
//
// $Id: Colorization.java,v 1.6 2003/01/08 04:09:02 mdb Exp $
// $Id: Colorization.java,v 1.7 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
@@ -100,6 +100,12 @@ public class Colorization
return true;
}
// documentation inherited
public int hashCode ()
{
return colorizationId ^ rootColor.hashCode();
}
/**
* Compares this colorization to another based on id.
*/
@@ -0,0 +1,29 @@
//
// $Id: ImageDataProvider.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.io.IOException;
import javax.imageio.stream.ImageInputStream;
/**
* Provides access to image data for the image with the specified
* path. Images loaded from different data providers (which are
* differentiated by reference equality) will be considered distinct
* images with respect to caching.
*/
public interface ImageDataProvider
{
/**
* Returns a string identifier for this image data provider which wil
* be used to differentiate it from other providers and thus should be
* unique.
*/
public String getIdent ();
/**
* Returns an input stream from which the image data for the specified
* image may be loaded.
*/
public ImageInputStream loadImageData (String path) throws IOException;
}
@@ -1,13 +1,22 @@
//
// $Id: ImageIOLoader.java,v 1.5 2003/01/08 04:09:02 mdb Exp $
// $Id: ImageIOLoader.java,v 1.6 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Image;
import java.io.IOException;
import java.io.InputStream;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import javax.imageio.stream.MemoryCacheImageInputStream;
import com.samskivert.util.StringUtil;
import java.io.RandomAccessFile;
import com.threerings.media.Log;
/**
* Loads images using the <code>ImageIO</code> services provided by J2SE
@@ -20,6 +29,16 @@ public class ImageIOLoader implements ImageLoader
// we need to reference ImageIO in the constructor to force the
// classloader to attempt to load the ImageIO classes
ImageIO.setUseCache(true);
// String[] fmts = ImageIO.getReaderFormatNames();
// Log.info("Got formats " + StringUtil.toString(fmts) + ".");
Iterator iter = ImageIO.getImageReadersByFormatName("png");
if (iter.hasNext()) {
_reader = (ImageReader)iter.next();
} else {
Log.warning("Aiya! No reader.");
}
}
// documentation inherited
@@ -29,10 +48,18 @@ public class ImageIOLoader implements ImageLoader
// this seems to choke when decoding the compressed image data
// which may mean it's a JDK bug or something, but I'd like to see
// it resolved so that the image manager will work on applets
//
// ImageInputStream iis = new MemoryCacheImageInputStream(source);
// return ImageIO.read(iis);
// ImageInputStream iis = null;
// // // iis = ImageIO.createImageInputStream(source);
// iis = new MemoryCacheImageInputStream(source);
// // // Log.info("Created stream " + iis + "/" + source);
// _reader.setInput(iis, true, false);
// return _reader.read(0);
// return ImageIO.read(new MemoryCacheImageInputStream(source));
return ImageIO.read(source);
}
protected ImageReader _reader;
}
@@ -1,21 +1,37 @@
//
// $Id: ImageManager.java,v 1.34 2003/01/08 05:17:35 ray Exp $
// $Id: ImageManager.java,v 1.35 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.GraphicsConfiguration;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import com.sun.imageio.plugins.png.PNGImageReaderSpi;
import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;
import com.samskivert.io.NestableIOException;
import com.samskivert.util.ConfigUtil;
import com.samskivert.util.LRUHashMap;
import com.samskivert.util.StringUtil;
import com.samskivert.util.Throttle;
import com.samskivert.util.Tuple;
import com.threerings.media.Log;
import com.threerings.resource.ResourceManager;
@@ -25,6 +41,45 @@ import com.threerings.resource.ResourceManager;
*/
public class ImageManager
{
/**
* Used to identify an image for caching and reconstruction.
*/
public static class ImageKey
{
/** The data provider from which this image's data is loaded. */
public ImageDataProvider daprov;
/** The path used to identify the image to the data provider. */
public String path;
protected ImageKey (ImageDataProvider daprov, String path)
{
this.daprov = daprov;
this.path = path;
}
public int hashCode ()
{
return path.hashCode() ^ daprov.getIdent().hashCode();
}
public boolean equals (Object other)
{
if (other == null || !(other instanceof ImageKey)) {
return false;
}
ImageKey okey = (ImageKey)other;
return ((okey.daprov.getIdent().equals(daprov.getIdent())) &&
(okey.path.equals(path)));
}
public String toString ()
{
return daprov.getIdent() + ":" + path;
}
}
/**
* Construct an image manager with the specified {@link
* ResourceManager} from which it will obtain its data. A non-null
@@ -37,6 +92,12 @@ public class ImageManager
{
_rmgr = rmgr;
// create our image cache
int icsize = ConfigUtil.getSystemProperty(
"narya.media.image.cache_size", DEFAULT_IMAGE_CACHE_SIZE);
Log.debug("Creating image cache [size=" + icsize + "].");
_ccache = new LRUHashMap(icsize);
// try to figure out which image loader we'll be using
try {
_loader = (ImageLoader)Class.forName(IMAGEIO_LOADER).newInstance();
@@ -45,123 +106,253 @@ public class ImageManager
"Falling back to Toolkit [error=" + t + "].");
_loader = new ToolkitLoader(context);
}
// obtain our graphics configuration
if (context != null) {
_gc = context.getGraphicsConfiguration();
} else {
_gc = ImageUtil.getDefGC();
}
}
/**
* Loads up the requested image from the specified resource set and
* caches it for faster retrieval henceforth.
* Creates a buffered image, optimized for display on our graphics
* device.
*/
public Image getImage (String rset, String path)
public BufferedImage createImage (int width, int height, int transparency)
{
if (rset == null || path == null) {
String errmsg = "Must supply non-null resource set and path " +
"[rset=" + rset + ", path=" + path + "]";
return _gc.createCompatibleImage(width, height, transparency);
}
/**
* Loads (and caches) the specified image from the resource manager
* using the supplied path to identify the image.
*/
public BufferedImage getImage (String path)
{
return getImage(null, path, null);
}
/**
* Like {@link #getImage(String)} but the specified colorizations are
* applied to the image before it is returned.
*/
public BufferedImage getImage (String path, Colorization[] zations)
{
return getImage(null, path, zations);
}
/**
* Like {@link #getImage(String)} but the image is loaded from the
* specified resource set rathern than the default resource set.
*/
public BufferedImage getImage (String rset, String path)
{
return getImage(rset, path, null);
}
/**
* Like {@link #getImage(String,String)} but the specified
* colorizations are applied to the image before it is returned.
*/
public BufferedImage getImage (String rset, String path,
Colorization[] zations)
{
if (StringUtil.blank(path)) {
String errmsg = "Invalid image path [rset=" + rset +
", path=" + path + "]";
throw new IllegalArgumentException(errmsg);
}
// periodically report our image cache performance
reportCachePerformance();
String key = rset + ":" + path;
Image img = (Image)_imgs.get(key);
if (img != null) {
// Log.info("Retrieved image from cache [path=" + path + "].");
return img;
}
InputStream imgin = null;
try {
// first attempt to load the image from the specified resource set
try {
imgin = _rmgr.getResource(rset, path);
} catch (FileNotFoundException fnfe) {
// fall through and try the classpath
}
// if that fails, attempt to load the image from the classpath
if (imgin == null) {
imgin = _rmgr.getResource(path);
// Log.info("Fell back to classpath [rset=" + rset +
// ", path=" + path + "].");
}
// now load up and optimize the image for display
img = createImage(imgin);
} catch (IOException ioe) {
Log.warning("Failure loading image [rset=" + rset +
", path=" + path + ", error=" + ioe + "].");
} finally {
if (imgin != null) {
try {
imgin.close();
} catch (IOException ioe) {
Log.warning("Failure closing image input stream " +
"[rset=" + rset + ", path=" + path +
", error=" + ioe + "].");
}
}
}
// Log.info("Loading image into cache [path=" + path + "].");
if (img != null) {
_imgs.put(key, img);
} else {
Log.warning("Unable to load image " +
"[rset=" + rset + ", path=" + path + "].");
Thread.dumpStack();
// fake it so that we don't crap out
img = ImageUtil.createImage(1, 1);
}
return img;
return getImage(getImageKey(rset, path), zations);
}
/**
* Loads the image via the resource manager using the specified path
* and caches it for faster retrieval henceforth.
* Returns an image key that can be used to fetch the image identified
* by the specified resource set and image path.
*/
public Image getImage (String path)
public ImageKey getImageKey (String rset, String path)
{
return getImageKey(getDataProvider(rset), path);
}
/**
* Returns an image key that can be used to fetch the image identified
* by the specified data provider and image path.
*/
public ImageKey getImageKey (ImageDataProvider daprov, String path)
{
return new ImageKey(daprov, path);
}
/**
* Obtains the image identified by the specified key, caching if
* possible. The image will be recolored using the supplied
* colorizations if requested.
*/
public BufferedImage getImage (ImageKey key, Colorization[] zations)
{
CacheRecord crec = (CacheRecord)_ccache.get(key);
if (crec != null) {
// Log.info("Cache hit [key=" + key + ", crec=" + crec + "].");
return crec.getImage(zations);
}
// Log.info("Cache miss [key=" + key + ", crec=" + crec + "].");
// load up the raw image
BufferedImage image = loadImage(key);
if (image == null) {
Log.warning("Failed to load image " + key + ".");
}
// create a cache record
crec = new CacheRecord(image);
_ccache.put(key, crec);
_keySet.add(key);
// periodically report our image cache performance
reportCachePerformance();
Image img = (Image)_imgs.get(path);
if (img != null) {
// Log.info("Retrieved image from cache [path=" + path + "].");
return img;
}
return crec.getImage(zations);
}
InputStream imgin = null;
try {
imgin = _rmgr.getResource(path);
img = createImage(imgin);
/**
* Returns the data provider configured to obtain image data from the
* specified resource set.
*/
protected ImageDataProvider getDataProvider (final String rset)
{
if (rset == null) {
return _defaultProvider;
}
} catch (IOException ioe) {
Log.warning("Failure loading image [path=" + path +
", error=" + ioe + "].");
} finally {
if (imgin != null) {
try {
imgin.close();
} catch (IOException ioe) {
Log.warning("Failure closing image input stream " +
"[path=" + path + ", error=" + ioe + "].");
ImageDataProvider dprov = (ImageDataProvider)_providers.get(rset);
if (dprov == null) {
dprov = new ImageDataProvider() {
public ImageInputStream loadImageData (String path)
throws IOException {
// first attempt to load the image from the specified
// resource set
try {
return _rmgr.getImageResource(rset, path);
} catch (FileNotFoundException fnfe) {
// fall back to trying the classpath
return _rmgr.getImageResource(path);
}
}
public String getIdent () {
return "rmgr:" + rset;
}
};
_providers.put(rset, dprov);
}
return dprov;
}
/**
* Loads and returns the image with the specified key from the
* supplied data provider.
*/
protected BufferedImage loadImage (ImageKey key)
{
BufferedImage image = null;
ImageInputStream imgin = null;
try {
Log.debug("Loading image " + key + ".");
imgin = key.daprov.loadImageData(key.path);
image = loadImage(imgin);
} catch (Exception e) {
Log.warning("Unable to load image '" + key + "'.");
Log.logStackTrace(e);
// create a blank image in its stead
image = createImage(1, 1, Transparency.OPAQUE);
}
if (imgin != null) {
try {
imgin.close();
} catch (IOException ioe) {
Log.warning("Failure closing image input '" + key + "'.");
Log.logStackTrace(ioe);
}
}
// Log.info("Loading image into cache [path=" + path + "].");
if (img != null) {
_imgs.put(path, img);
} else {
Log.warning("Unable to load image [path=" + path + "].");
Thread.dumpStack();
// fake it so that we don't crap out
img = ImageUtil.createImage(1, 1);
return image;
}
/**
* Called by {@link #loadImage(ImageKey)} to do the actual image
* loading.
*/
protected BufferedImage loadImage (ImageInputStream imgin)
throws IOException
{
return ImageIO.read(imgin);
// _reader.setInput(imgin, false, false);
// return _reader.read(0, null);
}
/**
* Creates a mirage which is an image optimized for display on our
* current display device and which will be stored into video memory
* if possible.
*/
public Mirage getMirage (ImageKey key)
{
return getMirage(key, null, null);
}
/**
* Like {@link #getMirage(ImageKey)} but that only the specified
* subimage of the source image is used to build the mirage.
*/
public Mirage getMirage (ImageKey key, Rectangle bounds)
{
return getMirage(key, bounds, null);
}
/**
* Like {@link #getMirage(ImageKey)} but the supplied colorizations
* are applied to the source image before creating the mirage.
*/
public Mirage getMirage (ImageKey key, Colorization[] zations)
{
return getMirage(key, null, zations);
}
/**
* Like {@link #getMirage(ImageKey,Colorization[])} except that the
* mirage is created using only the specified subset of the original
* image.
*/
public Mirage getMirage (ImageKey key, Rectangle bounds,
Colorization[] zations)
{
if (bounds == null) {
BufferedImage src = getImage(key, zations);
bounds = new Rectangle(0, 0, src.getWidth(), src.getHeight());
// return new BufferedMirage(src);
// } else {
// BufferedImage src = getImage(key, zations);
// src = src.getSubimage(bounds.x, bounds.y,
// bounds.width, bounds.height);
// return new BufferedMirage(src);
}
return img;
return new CachedVolatileMirage(this, key, bounds, zations);
// return new BlankMirage(bounds.width, bounds.height);
}
/**
* Returns the graphics configuration that should be used to optimize
* images for display.
*/
public GraphicsConfiguration getGraphicsConfiguration ()
{
return _gc;
}
/**
@@ -170,125 +361,74 @@ public class ImageManager
*/
protected void reportCachePerformance ()
{
if (!_cacheStatThrottle.throttleOp()) {
long size = ImageUtil.getEstimatedMemoryUsage(
_imgs.values().iterator());
int[] eff = _imgs.getTrackedEffectiveness();
Log.debug("ImageManager LRU [mem=" + (size / 1024) + "k" +
", size=" + _imgs.size() + ", hits=" + eff[0] +
", misses=" + eff[1] + "].");
if (/* Log.getLevel() != Log.log.DEBUG || */
_cacheStatThrottle.throttleOp()) {
return;
}
// compute our estimated memory usage
long size = 0;
Iterator iter = _ccache.values().iterator();
while (iter.hasNext()) {
size += ((CacheRecord)iter.next()).getEstimatedMemoryUsage();
}
int[] eff = _ccache.getTrackedEffectiveness();
Log.info("ImageManager LRU [mem=" + (size / 1024) + "k" +
", size=" + _ccache.size() + ", hits=" + eff[0] +
", misses=" + eff[1] + ", totalKeys=" + _keySet.size() + "].");
}
/**
* Loads the image via the resource manager using the specified
* path. Does no caching and does not convert the image for optimized
* display on the target graphics configuration. Instead the original
* image as returned by the image loader is returned.
*/
public Image loadImage (String path)
throws IOException
/** Maintains a source image and a set of colorized versions in the
* image cache. */
protected static class CacheRecord
{
InputStream imgin = null;
try {
imgin = _rmgr.getResource(path);
return _loader.loadImage(new BufferedInputStream(imgin));
public CacheRecord (BufferedImage source)
{
_source = source;
}
} catch (IllegalArgumentException iae) {
String errmsg = "Error loading image [path=" + path + "]";
throw new NestableIOException(errmsg, iae);
} finally {
if (imgin != null) {
imgin.close();
public BufferedImage getImage (Colorization[] zations)
{
if (zations == null) {
return _source;
}
}
}
/**
* Loads the image from the given resource set using the specified
* path. Does no caching and does not convert the image for optimized
* display on the target graphics configuration. Instead the original
* image as returned by the image loader is returned.
*/
public Image loadImage (String rset, String path)
throws IOException
{
InputStream imgin = null;
try {
imgin = _rmgr.getResource(rset, path);
return _loader.loadImage(new BufferedInputStream(imgin));
} catch (Throwable t) {
String errmsg = "Error loading image " +
"[rset=" + rset + ", path=" + path + "]";
throw new NestableIOException(errmsg, t);
} finally {
if (imgin != null) {
imgin.close();
if (_colorized == null) {
_colorized = new ArrayList();
}
}
}
/**
* Loads the image from the supplied input stream. Does no caching and
* does not convert the image for optimized display on the target
* graphics configuration. Instead the original image as returned by
* the image loader is returned.
*/
public Image loadImage (InputStream source)
throws IOException
{
try {
return _loader.loadImage(new BufferedInputStream(source));
} catch (IllegalArgumentException iae) {
String errmsg = "Error loading image";
throw new NestableIOException(errmsg, iae);
}
}
// we search linearly through our list of colorized copies
// because it is not likely to be very long
int csize = _colorized.size();
for (int ii = 0; ii < csize; ii++) {
Tuple tup = (Tuple)_colorized.get(ii);
Colorization[] tzations = (Colorization[])tup.left;
if (Arrays.equals(zations, tzations)) {
return (BufferedImage)tup.right;
}
}
/**
* Creates an image that is optimized for rendering in the client's
* environment and decodes the image data from the specified source
* image into that target image. The resulting image is not cached.
*/
public Image createImage (InputStream source)
throws IOException
{
return createImage(loadImage(source));
}
/**
* Creates an image that is optimized for rendering in the client's
* environment and renders the supplied image into the optimized
* image. The resulting image is not cached.
*/
public Image createImage (Image src)
{
// not to freak out if we get this far and have no image
if (src == null) {
return null;
BufferedImage cimage = ImageUtil.recolorImage(_source, zations);
_colorized.add(new Tuple(zations, cimage));
return cimage;
}
int swidth = src.getWidth(null);
int sheight = src.getHeight(null);
BufferedImage dest = null;
// use the same kind of transparency as the source image if we can
// when converting the image to a format optimized for display
if (src instanceof BufferedImage) {
int trans = ((BufferedImage)src).getColorModel().getTransparency();
dest = ImageUtil.createImage(swidth, sheight, trans);
} else {
dest = ImageUtil.createImage(swidth, sheight);
public long getEstimatedMemoryUsage ()
{
return ImageUtil.getEstimatedMemoryUsage(_source);
}
Graphics2D gfx = dest.createGraphics();
gfx.drawImage(src, 0, 0, null);
gfx.dispose();
public String toString ()
{
return "[wid=" + _source.getWidth() +
", hei=" + _source.getHeight() +
", ccount=" + ((_colorized == null) ? 0 : _colorized.size()) +
"]";
}
return dest;
protected BufferedImage _source;
protected ArrayList _colorized;
}
/** A reference to the resource manager via which we load image data
@@ -300,11 +440,37 @@ public class ImageManager
protected ImageLoader _loader;
/** A cache of loaded images. */
protected LRUHashMap _imgs = new LRUHashMap(IMAGE_CACHE_SIZE);
protected LRUHashMap _ccache;
/** The set of all keys we've ever seen. */
protected HashSet _keySet = new HashSet();
/** Throttle our cache status logging to once every 30 seconds. */
protected Throttle _cacheStatThrottle = new Throttle(1, 30000L);
/** The graphics configuration for the default screen device. */
protected GraphicsConfiguration _gc;
/** Our default data provider. */
protected ImageDataProvider _defaultProvider = new ImageDataProvider() {
public ImageInputStream loadImageData (String path)
throws IOException {
return _rmgr.getImageResource(path);
}
public String getIdent () {
return "rmgr:default";
}
};
// /** Temporary hacked PNG reader that actually closes its
// * InflaterInputStream when it's done with it. */
// protected PNGImageReader _reader =
// new PNGImageReader(new PNGImageReaderSpi());
/** Data providers for different resource sets. */
protected HashMap _providers = new HashMap();
/** The classname of the ImageIO-based image loader which we attempt
* to use but fallback from if we're not running a JVM that has
* ImageIO support. */
@@ -312,5 +478,5 @@ public class ImageManager
"com.threerings.media.image.ImageIOLoader";
/** The maximum number of images that may be cached at any one time. */
protected static final int IMAGE_CACHE_SIZE = 30;
protected static final int DEFAULT_IMAGE_CACHE_SIZE = 100;
}
@@ -1,5 +1,5 @@
//
// $Id: ImageUtil.java,v 1.21 2003/01/08 04:28:13 ray Exp $
// $Id: ImageUtil.java,v 1.22 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
@@ -426,8 +426,8 @@ public class ImageUtil
// copy the RGB from the base image
for (int ii=0; ii < 3; ii++) {
int[] cdata = basedata.getSamples(0, 0, wid, hei,
ii, (int[]) null);
int[] cdata = basedata.getSamples(
0, 0, wid, hei, ii, (int[]) null);
target.setSamples(0, 0, wid, hei, ii, cdata);
}
@@ -490,22 +490,11 @@ public class ImageUtil
* Returns true if the supplied image contains a non-transparent pixel
* at the specified coordinates, false otherwise.
*/
public static boolean hitTest (Image image, int x, int y)
public static boolean hitTest (BufferedImage image, int x, int y)
{
if (image instanceof BufferedImage) {
BufferedImage bimage = (BufferedImage)image;
int argb = bimage.getRGB(x, y);
// int alpha = argb >> 24;
// Log.info("Checking [x=" + x + ", y=" + y + ", " + alpha);
// it's only a hit if the pixel is non-transparent
return (argb >> 24) != 0;
} else {
Log.warning("Can't check for transparent pixel " +
"[image=" + image + "].");
return true;
}
// it's only a hit if the pixel is non-transparent
int argb = image.getRGB(x, y);
return (argb >> 24) != 0;
}
/**
@@ -0,0 +1,43 @@
//
// $Id: Mirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
/**
* Provides an interface via which images can be accessed in a way that
* allows them to optionally be located in video memory where that affords
* performance improvements.
*/
public interface Mirage
{
/**
* Renders this mirage at the specified position in the supplied
* graphics context.
*/
public void paint (Graphics2D gfx, int x, int y);
/**
* Returns the width of this mirage.
*/
public int getWidth ();
/**
* Returns the height of this mirage.
*/
public int getHeight ();
/**
* Returns true if this mirage contains a non-transparent pixel at the
* specified coordinate.
*/
public boolean hitTest (int x, int y);
/**
* Returns a snapshot of this mirage as a buffered image. The snapshot
* should <em>not</em> be modified by the caller.
*/
public BufferedImage getSnapshot ();
}
@@ -0,0 +1,42 @@
//
// $Id: MirageIcon.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Component;
import java.awt.Graphics2D;
import java.awt.Graphics;
import javax.swing.Icon;
/**
* Implements the Swing {@link Icon} interface with a mirage providing the
* image information.
*/
public class MirageIcon implements Icon
{
public MirageIcon (Mirage mirage)
{
_mirage = mirage;
}
// documentation inherited from interface
public void paintIcon (Component c, Graphics g, int x, int y)
{
_mirage.paint((Graphics2D)g, x, y);
}
// documentation inherited from interface
public int getIconWidth()
{
return _mirage.getWidth();
}
// documentation inherited from interface
public int getIconHeight()
{
return _mirage.getHeight();
}
protected Mirage _mirage;
}
@@ -0,0 +1,144 @@
//
// $Id: VolatileMirage.java,v 1.1 2003/01/13 22:49:46 mdb Exp $
package com.threerings.media.image;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import com.samskivert.util.StringUtil;
/**
* A mirage implementation which allows the image to be maintained in
* video memory and rebuilt from some source image or images in the event
* that our target screen resolution changes or we are flushed from video
* memory for some other reason.
*/
public abstract class VolatileMirage implements Mirage
{
/**
* Informs the base class of its image manager and image bounds.
*/
protected VolatileMirage (ImageManager imgr, Rectangle bounds)
{
_imgr = imgr;
_bounds = bounds;
}
// documentation inherited from interface
public void paint (Graphics2D gfx, int x, int y)
{
// create our volatile image for the first time if necessary
if (_image == null) {
createVolatileImage();
}
// int renders = 0;
// do {
// // validate that our image is compatible with the target GC
// switch (_image.validate(_imgr.getGraphicsConfiguration())) {
// case VolatileImage.IMAGE_RESTORED:
// refreshVolatileImage(); // need to rerender it
// break;
// case VolatileImage.IMAGE_INCOMPATIBLE:
// createVolatileImage(); // need to recreate it
// break;
// }
// now we can render it
gfx.drawImage(_image, x, y, null);
// renders++;
// // don't try forever
// } while (_image.contentsLost() && (renders < 10));
// TODO: note number of attempted renders for performance
}
// documentation inherited from interface
public int getWidth ()
{
return _bounds.width;
}
// documentation inherited from interface
public int getHeight ()
{
return _bounds.height;
}
// documentation inherited from interface
public boolean hitTest (int x, int y)
{
// return ImageUtil.hitTest(_image.getSnapshot(), x, y);
return ImageUtil.hitTest(_image, x, y);
}
// documentation inherited from interface
public BufferedImage getSnapshot ()
{
// return _image.getSnapshot();
return _image;
}
/**
* Creates our volatile image from the information in our source
* image.
*/
protected void createVolatileImage ()
{
// release any previous volatile image we might hold
if (_image != null) {
_image.flush();
}
// create a new, compatible, volatile image
GraphicsConfiguration gc = _imgr.getGraphicsConfiguration();
// _image = gc.createCompatibleVolatileImage(
// _bounds.width, _bounds.height);
_image = gc.createCompatibleImage(
_bounds.width, _bounds.height, Transparency.BITMASK);
// render our source image into the volatile image
refreshVolatileImage();
}
/**
* Rerenders our volatile image from the its source image data.
*/
protected abstract void refreshVolatileImage ();
/**
* Generates a string representation of this instance.
*/
public String toString ()
{
StringBuffer buf = new StringBuffer("[");
toString(buf);
return buf.append("]").toString();
}
/**
* Generates a string representation of this instance.
*/
protected void toString (StringBuffer buf)
{
buf.append("bounds=").append(StringUtil.toString(_bounds));
}
/** The image manager with whom we interoperate. */
protected ImageManager _imgr;
/** The bounds of the region of our source image which we desire for
* this mirage (possibly the whole thing). */
protected Rectangle _bounds;
/** Our volatile image which lives in video memory and can go away at
* any time. */
// protected VolatileImage _image;
protected BufferedImage _image;
}