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Create BufferedImage using our own buffer - allows faster pixel

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writing
This commit is contained in:
Mike Primm 2011-05-29 01:52:57 -05:00
parent fc88dfad41
commit a25fcc0001
4 changed files with 134 additions and 107 deletions
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3
src/main/java/org/dynmap/CraftChunkSnapshot.java
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@ -20,9 +20,6 @@ public class CraftChunkSnapshot implements ChunkSnapshot {
this.z = z;
this.buf = buf;
this.hmap = hmap;
for(int i = 0; i < 256; i++)
if(hmap[i] < 1)
hmap[i] = 1;
}
/**

37
src/main/java/org/dynmap/flat/FlatMap.java
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@ -2,8 +2,10 @@ package org.dynmap.flat;
import static org.dynmap.JSONUtils.a;
import static org.dynmap.JSONUtils.s;
import java.awt.image.DataBufferInt;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import java.awt.image.ColorModel;
import java.io.File;
import java.io.IOException;
@ -22,6 +24,7 @@ import org.dynmap.MapTile;
import org.dynmap.MapType;
import org.dynmap.debug.Debug;
import org.dynmap.kzedmap.KzedMap;
import org.dynmap.kzedmap.KzedMap.KzedBufferedImage;
import org.dynmap.MapChunkCache;
import org.json.simple.JSONObject;
@ -109,14 +112,17 @@ public class FlatMap extends MapType {
boolean isnether = (w.getEnvironment() == Environment.NETHER) && (maximumHeight == 127);
boolean rendered = false;
BufferedImage im = KzedMap.allocateBufferedImage(t.size, t.size);
BufferedImage im_day = null;
if(night_and_day)
im_day = KzedMap.allocateBufferedImage(t.size, t.size);
Color rslt = new Color();
int[] pixel = new int[3];
int[] pixel_day = new int[3];
KzedBufferedImage im = KzedMap.allocateBufferedImage(t.size, t.size);
int[] argb_buf = im.argb_buf;
KzedBufferedImage im_day = null;
int[] argb_buf_day = null;
if(night_and_day) {
im_day = KzedMap.allocateBufferedImage(t.size, t.size);
argb_buf_day = im_day.argb_buf;
}
MapChunkCache.MapIterator mapiter = cache.getIterator(t.x * t.size, 127, t.y * t.size);
for (int x = 0; x < t.size; x++) {
mapiter.initialize(t.x * t.size + x, 127, t.y * t.size);
@ -144,6 +150,8 @@ public class FlatMap extends MapType {
}
else {
int my = mapiter.getHighestBlockYAt() - 1;
if(my < 0) /* If hole to bottom, all air */
continue;
if(my > maximumHeight) my = maximumHeight;
mapiter.setY(my);
blockType = mapiter.getBlockTypeID();
@ -213,38 +221,39 @@ public class FlatMap extends MapType {
}
rslt.setRGBA(pixel[0], pixel[1], pixel[2], 255);
im.setRGB(t.size-y-1, x, rslt.getARGB());
argb_buf[(t.size-y-1) + (x*t.size)] = rslt.getARGB();
if(night_and_day) {
rslt.setRGBA(pixel_day[0], pixel_day[1], pixel_day[2], 255);
im_day.setRGB(t.size-y-1, x, rslt.getARGB());
argb_buf_day[(t.size-y-1) + (x*t.size)] = rslt.getARGB();
}
rendered = true;
}
}
/* Wrap buffer as buffered image */
Debug.debug("saving image " + outputFile.getPath());
try {
ImageIO.write(im, "png", outputFile);
ImageIO.write(im.buf_img, "png", outputFile);
} catch (IOException e) {
Debug.error("Failed to save image: " + outputFile.getPath(), e);
} catch (java.lang.NullPointerException e) {
Debug.error("Failed to save image (NullPointerException): " + outputFile.getPath(), e);
}
KzedMap.freeBufferedImage(im);
MapManager.mapman.pushUpdate(tile.getWorld(),
new Client.Tile(tile.getFilename()));
MapManager.mapman.pushUpdate(tile.getWorld(), new Client.Tile(tile.getFilename()));
/* If day too, handle it */
if(night_and_day) {
File dayfile = new File(outputFile.getParent(), tile.getDayFilename());
Debug.debug("saving image " + dayfile.getPath());
try {
ImageIO.write(im_day, "png", dayfile);
ImageIO.write(im_day.buf_img, "png", dayfile);
} catch (IOException e) {
Debug.error("Failed to save image: " + dayfile.getPath(), e);
} catch (java.lang.NullPointerException e) {
Debug.error("Failed to save image (NullPointerException): " + dayfile.getPath(), e);
}
KzedMap.freeBufferedImage(im_day);
MapManager.mapman.pushUpdate(tile.getWorld(),
new Client.Tile(tile.getDayFilename()));
MapManager.mapman.pushUpdate(tile.getWorld(), new Client.Tile(tile.getDayFilename()));
}
return rendered;

137
src/main/java/org/dynmap/kzedmap/DefaultTileRenderer.java
View File

@ -18,6 +18,7 @@ import org.dynmap.ConfigurationNode;
import org.dynmap.MapManager;
import org.dynmap.debug.Debug;
import org.dynmap.MapChunkCache;
import org.dynmap.kzedmap.KzedMap.KzedBufferedImage;
import org.json.simple.JSONObject;
public class DefaultTileRenderer implements MapTileRenderer {
@ -80,12 +81,12 @@ public class DefaultTileRenderer implements MapTileRenderer {
public boolean render(MapChunkCache cache, KzedMapTile tile, File outputFile) {
World world = tile.getWorld();
boolean isnether = (world.getEnvironment() == Environment.NETHER);
BufferedImage im = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
BufferedImage zim = KzedMap.allocateBufferedImage(KzedMap.tileWidth/2, KzedMap.tileHeight/2);
KzedBufferedImage im = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
KzedBufferedImage zim = KzedMap.allocateBufferedImage(KzedMap.tileWidth/2, KzedMap.tileHeight/2);
boolean isempty = true;
BufferedImage im_day = null;
BufferedImage zim_day = null;
KzedBufferedImage im_day = null;
KzedBufferedImage zim_day = null;
if(night_and_day) {
im_day = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
zim_day = KzedMap.allocateBufferedImage(KzedMap.tileWidth/2, KzedMap.tileHeight/2);
@ -107,8 +108,8 @@ public class DefaultTileRenderer implements MapTileRenderer {
Color c1 = new Color();
Color c2 = new Color();
int[] argb = new int[KzedMap.tileWidth];
int[] zargb = new int[4*KzedMap.tileWidth/2];
int[] argb = im.argb_buf;
int[] zargb = zim.argb_buf;
Color c1_day = null;
Color c2_day = null;
int[] argb_day = null;
@ -116,9 +117,10 @@ public class DefaultTileRenderer implements MapTileRenderer {
if(night_and_day) {
c1_day = new Color();
c2_day = new Color();
argb_day = new int[KzedMap.tileWidth];
zargb_day = new int[4*KzedMap.tileWidth/2];
argb_day = im_day.argb_buf;
zargb_day = zim_day.argb_buf;
}
int rowoff = 0;
/* draw the map */
for (y = 0; y < KzedMap.tileHeight;) {
jx = ix;
@ -130,12 +132,12 @@ public class DefaultTileRenderer implements MapTileRenderer {
mapiter.initialize(jx, iy, jz);
scan(world, 2, isnether, c2, c2_day, mapiter);
argb[x] = c1.getARGB();
argb[x-1] = c2.getARGB();
argb[rowoff+x] = c1.getARGB();
argb[rowoff+x-1] = c2.getARGB();
if(night_and_day) {
argb_day[x] = c1_day.getARGB();
argb_day[x-1] = c2_day.getARGB();
argb_day[rowoff+x] = c1_day.getARGB();
argb_day[rowoff+x-1] = c2_day.getARGB();
}
isempty = isempty && c1.isTransparent() && c2.isTransparent();
@ -144,26 +146,9 @@ public class DefaultTileRenderer implements MapTileRenderer {
jz++;
}
im.setRGB(0, y, KzedMap.tileWidth, 1, argb, 0, KzedMap.tileWidth);
if(night_and_day)
im_day.setRGB(0, y, KzedMap.tileWidth, 1, argb_day, 0, KzedMap.tileWidth);
/* Sum up zoomed pixels - bilinar filter */
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
c1.setARGB(argb[2*x]);
c2.setARGB(argb[2*x+1]);
for(int i = 0; i < 4; i++)
zargb[4*x+i] = c1.getComponent(i) + c2.getComponent(i);
}
if(night_and_day) {
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
c1.setARGB(argb_day[2*x]);
c2.setARGB(argb_day[2*x+1]);
for(int i = 0; i < 4; i++)
zargb_day[4*x+i] = c1.getComponent(i) + c2.getComponent(i);
}
}
y++;
rowoff += KzedMap.tileWidth;
jx = ix;
jz = iz - 1;
@ -176,49 +161,27 @@ public class DefaultTileRenderer implements MapTileRenderer {
mapiter.initialize(jx, iy, jz);
scan(world, 0, isnether, c2, c2_day, mapiter);
argb[x] = c1.getARGB();
argb[x-1] = c2.getARGB();
argb[rowoff+x] = c1.getARGB();
argb[rowoff+x-1] = c2.getARGB();
if(night_and_day) {
argb_day[x] = c1_day.getARGB();
argb_day[x-1] = c2_day.getARGB();
argb_day[rowoff+x] = c1_day.getARGB();
argb_day[rowoff+x-1] = c2_day.getARGB();
}
isempty = isempty && c1.isTransparent() && c2.isTransparent();
}
im.setRGB(0, y, KzedMap.tileWidth, 1, argb, 0, KzedMap.tileWidth);
if(night_and_day)
im_day.setRGB(0, y, KzedMap.tileWidth, 1, argb_day, 0, KzedMap.tileWidth);
/* Finish summing values for zoomed pixels */
/* Sum up zoomed pixels - bilinar filter */
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
c1.setARGB(argb[2*x]);
c2.setARGB(argb[2*x+1]);
for(int i = 0; i < 4; i++)
zargb[4*x+i] = (zargb[4*x+i] + c1.getComponent(i) + c2.getComponent(i)) >> 2;
c1.setRGBA(zargb[4*x+1], zargb[4*x+2], zargb[4*x+3], zargb[4*x]);
zargb[x] = c1.getARGB();
}
if(night_and_day) {
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
c1.setARGB(argb_day[2*x]);
c2.setARGB(argb_day[2*x+1]);
for(int i = 0; i < 4; i++)
zargb_day[4*x+i] = (zargb_day[4*x+i] + c1.getComponent(i) + c2.getComponent(i)) >> 2;
c1.setRGBA(zargb_day[4*x+1], zargb_day[4*x+2], zargb_day[4*x+3], zargb_day[4*x]);
zargb_day[x] = c1.getARGB();
}
}
zim.setRGB(0, y/2, KzedMap.tileWidth/2, 1, zargb, 0, KzedMap.tileWidth/2);
if(night_and_day)
zim_day.setRGB(0, y/2, KzedMap.tileWidth/2, 1, zargb_day, 0, KzedMap.tileWidth/2);
y++;
rowoff += KzedMap.tileWidth;
ix++;
iz--;
}
/* Now, compute zoomed tile - bilinear filter 2x2 -> 1x1 */
doScaleWithBilinear(argb, zargb, KzedMap.tileWidth, KzedMap.tileHeight);
if(night_and_day) {
doScaleWithBilinear(argb_day, zargb_day, KzedMap.tileWidth, KzedMap.tileHeight);
}
/* Hand encoding and writing file off to MapManager */
KzedZoomedMapTile zmtile = new KzedZoomedMapTile(tile.getWorld(),
@ -230,13 +193,37 @@ public class DefaultTileRenderer implements MapTileRenderer {
return !isempty;
}
private void doScaleWithBilinear(int[] argb, int[] zargb, int width, int height) {
Color c1 = new Color();
/* Now, compute zoomed tile - bilinear filter 2x2 -> 1x1 */
for(int y = 0; y < height; y += 2) {
for(int x = 0; x < width; x += 2) {
int red = 0;
int green = 0;
int blue = 0;
int alpha = 0;
for(int yy = y; yy < y+2; yy++) {
for(int xx = x; xx < x+2; xx++) {
c1.setARGB(argb[(yy*width)+xx]);
red += c1.getRed();
green += c1.getGreen();
blue += c1.getBlue();
alpha += c1.getAlpha();
}
}
c1.setRGBA(red>>2, green>>2, blue>>2, alpha>>2);
zargb[(y*width/4) + (x/2)] = c1.getARGB();
}
}
}
private void doFileWrites(final File fname, final KzedMapTile mtile,
final BufferedImage img, final BufferedImage img_day,
final KzedBufferedImage img, final KzedBufferedImage img_day,
final KzedZoomedMapTile zmtile, final File zoomFile,
final BufferedImage zimg, final BufferedImage zimg_day) {
final KzedBufferedImage zimg, final KzedBufferedImage zimg_day) {
Debug.debug("saving image " + fname.getPath());
try {
ImageIO.write(img, "png", fname);
ImageIO.write(img.buf_img, "png", fname);
} catch (IOException e) {
Debug.error("Failed to save image: " + fname.getPath(), e);
} catch (java.lang.NullPointerException e) {
@ -247,7 +234,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
File dfname = new File(fname.getParent(), mtile.getDayFilename());
Debug.debug("saving image " + dfname.getPath());
try {
ImageIO.write(img_day, "png", dfname);
ImageIO.write(img_day.buf_img, "png", dfname);
} catch (IOException e) {
Debug.error("Failed to save image: " + dfname.getPath(), e);
} catch (java.lang.NullPointerException e) {
@ -277,6 +264,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
oy = sch;
BufferedImage zIm = null;
KzedBufferedImage kzIm = null;
try {
zIm = ImageIO.read(zoomFile);
} catch (IOException e) {
@ -286,7 +274,8 @@ public class DefaultTileRenderer implements MapTileRenderer {
boolean zIm_allocated = false;
if (zIm == null) {
/* create new one */
zIm = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
kzIm = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
zIm = kzIm.buf_img;
zIm_allocated = true;
Debug.debug("New zoom-out tile created " + zmtile.getFilename());
} else {
@ -294,8 +283,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
}
/* blit scaled rendered tile onto zoom-out tile */
int[] pix = zimg.getRGB(0, 0, KzedMap.tileWidth/2, KzedMap.tileHeight/2, null, 0, KzedMap.tileWidth/2);
zIm.setRGB(ox, oy, KzedMap.tileWidth/2, KzedMap.tileHeight/2, pix, 0, KzedMap.tileWidth/2);
zIm.setRGB(ox, oy, KzedMap.tileWidth/2, KzedMap.tileHeight/2, zimg.argb_buf, 0, KzedMap.tileWidth/2);
KzedMap.freeBufferedImage(zimg);
/* save zoom-out tile */
@ -309,7 +297,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
Debug.error("Failed to save zoom-out tile (NullPointerException): " + zoomFile.getName(), e);
}
if(zIm_allocated)
KzedMap.freeBufferedImage(zIm);
KzedMap.freeBufferedImage(kzIm);
else
zIm.flush();
@ -317,6 +305,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
File zoomFile_day = new File(zoomFile.getParent(), zmtile.getDayFilename());
zIm = null;
kzIm = null;
try {
zIm = ImageIO.read(zoomFile_day);
} catch (IOException e) {
@ -326,7 +315,8 @@ public class DefaultTileRenderer implements MapTileRenderer {
zIm_allocated = false;
if (zIm == null) {
/* create new one */
zIm = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
kzIm = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
zIm = kzIm.buf_img;
zIm_allocated = true;
Debug.debug("New zoom-out tile created " + zmtile.getFilename());
} else {
@ -334,8 +324,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
}
/* blit scaled rendered tile onto zoom-out tile */
pix = zimg_day.getRGB(0, 0, KzedMap.tileWidth/2, KzedMap.tileHeight/2, null, 0, KzedMap.tileWidth/2);
zIm.setRGB(ox, oy, KzedMap.tileWidth/2, KzedMap.tileHeight/2, pix, 0, KzedMap.tileWidth/2);
zIm.setRGB(ox, oy, KzedMap.tileWidth/2, KzedMap.tileHeight/2, zimg_day.argb_buf, 0, KzedMap.tileWidth/2);
KzedMap.freeBufferedImage(zimg_day);
/* save zoom-out tile */
@ -349,7 +338,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
Debug.error("Failed to save zoom-out tile (NullPointerException): " + zoomFile_day.getName(), e);
}
if(zIm_allocated)
KzedMap.freeBufferedImage(zIm);
KzedMap.freeBufferedImage(kzIm);
else
zIm.flush();
}

62
src/main/java/org/dynmap/kzedmap/KzedMap.java
View File

@ -3,6 +3,7 @@ package org.dynmap.kzedmap;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
@ -17,6 +18,11 @@ import org.dynmap.MapTile;
import org.dynmap.MapType;
import org.dynmap.MapChunkCache;
import org.json.simple.JSONObject;
import java.awt.image.DataBufferInt;
import java.awt.image.DataBuffer;
import java.awt.image.WritableRaster;
import java.awt.image.ColorModel;
import java.awt.image.Raster;
public class KzedMap extends MapType {
protected static final Logger log = Logger.getLogger("Minecraft");
@ -41,11 +47,18 @@ public class KzedMap extends MapType {
MapTileRenderer[] renderers;
ZoomedTileRenderer zoomrenderer;
/* BufferedImage with direct access to its ARGB-formatted data buffer */
public static class KzedBufferedImage {
public BufferedImage buf_img;
public int[] argb_buf;
public int width;
public int height;
}
/* BufferedImage cache - we use the same things a lot... */
private static Object lock = new Object();
private static HashMap<Long, LinkedList<BufferedImage>> imgcache =
new HashMap<Long, LinkedList<BufferedImage>>(); /* Indexed by resolution - X<<32+Y */
private static int[] zerobuf = new int[128];
private static HashMap<Long, LinkedList<KzedBufferedImage>> imgcache =
new HashMap<Long, LinkedList<KzedBufferedImage>>(); /* Indexed by resolution - X<<32+Y */
private static final int CACHE_LIMIT = 10;
public KzedMap(ConfigurationNode configuration) {
@ -263,22 +276,24 @@ public class KzedMap extends MapType {
* @param x - x dimension
* @param y - y dimension
*/
public static BufferedImage allocateBufferedImage(int x, int y) {
BufferedImage img = null;
public static KzedBufferedImage allocateBufferedImage(int x, int y) {
KzedBufferedImage img = null;
synchronized(lock) {
long k = (x<<16) + y;
LinkedList<BufferedImage> ll = imgcache.get(k);
LinkedList<KzedBufferedImage> ll = imgcache.get(k);
if(ll != null) {
img = ll.poll();
}
}
if(img != null) { /* Got it - reset it for use */
if(zerobuf.length < x)
zerobuf = new int[x];
img.setRGB(0, 0, x, y, zerobuf, 0, 0);
Arrays.fill(img.argb_buf, 0);
}
else {
img = new BufferedImage(x, y, BufferedImage.TYPE_INT_ARGB);
img = new KzedBufferedImage();
img.width = x;
img.height = y;
img.argb_buf = new int[x*y];
img.buf_img = createBufferedImage(img.argb_buf, img.width, img.height);
}
return img;
}
@ -286,13 +301,13 @@ public class KzedMap extends MapType {
/**
* Return buffered image to pool
*/
public static void freeBufferedImage(BufferedImage img) {
img.flush();
public static void freeBufferedImage(KzedBufferedImage img) {
img.buf_img.flush();
synchronized(lock) {
long k = (img.getWidth()<<16) + img.getHeight();
LinkedList<BufferedImage> ll = imgcache.get(k);
long k = (img.width<<16) + img.height;
LinkedList<KzedBufferedImage> ll = imgcache.get(k);
if(ll == null) {
ll = new LinkedList<BufferedImage>();
ll = new LinkedList<KzedBufferedImage>();
imgcache.put(k, ll);
}
if(ll.size() < CACHE_LIMIT) {
@ -308,4 +323,21 @@ public class KzedMap extends MapType {
renderer.buildClientConfiguration(worldObject);
}
}
/* ARGB band masks */
private static final int [] band_masks = {0xFF0000, 0xFF00, 0xff, 0xff000000};
/**
* Build BufferedImage from provided ARGB array and dimensions
*/
public static BufferedImage createBufferedImage(int[] argb_buf, int w, int h) {
/* Create integer-base data buffer */
DataBuffer db = new DataBufferInt (argb_buf, w*h);
/* Create writable raster */
WritableRaster raster = Raster.createPackedRaster(db, w, h, w, band_masks, null);
/* RGB color model */
ColorModel color_model = ColorModel.getRGBdefault ();
/* Return buffered image */
return new BufferedImage (color_model, raster, false, null);
}
}