* .. and here's the change that makes the previous change actually faster

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9741 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/texture/image/ByteOffsetImageCodec.java

@@ -20,17 +20,19 @@ public class ByteOffsetImageCodec extends ImageCodec {
     @Override
     public void readComponents(ByteBuffer buf, int x, int y, int width, int[] components, byte[] tmp) {
         int i = (y * width + x) * bpp;
+        buf.position(i);
+        buf.get(tmp, 0, bpp);
         if (alphaPos != -1) {
-            components[0] = buf.get(i + alphaPos) & 0xff;
+            components[0] = tmp[alphaPos] & 0xff;
         }
         if (redPos != -1) {
-            components[1] = buf.get(i + redPos) & 0xff;
+            components[1] = tmp[redPos] & 0xff;
         }
         if (greenPos != -1) {
-            components[2] = buf.get(i + greenPos) & 0xff;
+            components[2] = tmp[greenPos] & 0xff;
         }
         if (bluePos != -1) {
-            components[3] = buf.get(i + bluePos) & 0xff;
+            components[3] = tmp[bluePos] & 0xff;
         }
     }
 
@@ -38,17 +40,19 @@ public class ByteOffsetImageCodec extends ImageCodec {
     public void writeComponents(ByteBuffer buf, int x, int y, int width, int[] components, byte[] tmp) {
         int i = (y * width + x) * bpp;
         if (alphaPos != -1) {
-            buf.put(i + alphaPos, (byte) components[0]);
+            tmp[alphaPos] = (byte) components[0];
         }
         if (redPos != -1) {
-            buf.put(i + redPos, (byte) components[1]);
+            tmp[redPos] = (byte) components[1];
         }
         if (greenPos != -1) {
-            buf.put(i + greenPos, (byte) components[2]);
+            tmp[greenPos] = (byte) components[2];
         }
         if (bluePos != -1) {
-            buf.put(i + bluePos, (byte) components[3]);
+            tmp[bluePos] = (byte) components[3];
         }
+        buf.position(i);
+        buf.put(tmp, 0, bpp);
     }
     
 }

engine/src/core/com/jme3/texture/image/DefaultImageRaster.java

@@ -27,7 +27,7 @@ public class DefaultImageRaster extends ImageRaster {
         this.codec = ImageCodec.lookup(image.getFormat());
         this.width = image.getWidth();
         this.height = image.getHeight();
-        if (codec instanceof ByteAlignedImageCodec) {
+        if (codec instanceof ByteAlignedImageCodec || codec instanceof ByteOffsetImageCodec) {
             this.temp = new byte[codec.bpp];
         } else {
             this.temp = null;