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In theory this should work (modulo some particularly fiddly bits that I'm going

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to have to think about), but it's totally untested. That comes next!


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@115 ed5b42cb-e716-0410-a449-f6a68f950b19
This commit is contained in:
Michael Bayne
2007-01-20 02:35:56 +00:00
parent 088bc4b88b
commit 81a3dd4dd9
5 changed files with 166 additions and 159 deletions
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src/java/com/threerings/media/RegionManager.java
+15 -22
View File
@@ -29,9 +29,8 @@ import java.util.ArrayList;
import com.samskivert.util.StringUtil;
/**
* Manages regions (rectangles) that are invalidated in the process of
* ticking animations and sprites and generally doing other display
* related business.
* Manages regions (rectangles) that are invalidated in the process of ticking animations and
* sprites and generally doing other display related business.
*/
public class RegionManager
{
@@ -46,9 +45,8 @@ public class RegionManager
}
/**
* Invalidates the specified region (the supplied rectangle will be
* cloned as the region manager fiddles with the rectangles it uses
* internally).
* Invalidates the specified region (the supplied rectangle will be cloned as the region
* manager fiddles with the rectangles it uses internally).
*/
public void invalidateRegion (Rectangle rect)
{
@@ -58,17 +56,15 @@ public class RegionManager
}
/**
* Adds the supplied rectangle to the dirty regions. Control of the
* rectangle is given to the region manager as it may choose to bend,
* fold or mutilate it later. If you don't want the region manager
* messing with your rectangle, use {@link #invalidateRegion}.
* Adds the supplied rectangle to the dirty regions. Control of the rectangle is given to the
* region manager as it may choose to bend, fold or mutilate it later. If you don't want the
* region manager messing with your rectangle, use {@link #invalidateRegion}.
*/
public void addDirtyRegion (Rectangle rect)
{
// make sure we're on an AWT thread
if (!EventQueue.isDispatchThread()) {
Log.warning("Oi! Region dirtied on non-AWT thread " +
"[rect=" + rect + "].");
Log.warning("Oi! Region dirtied on non-AWT thread [rect=" + rect + "].");
Thread.dumpStack();
}
@@ -81,8 +77,7 @@ public class RegionManager
// more sanity checking
long x = rect.x, y = rect.y;
if ((Math.abs(x) > Integer.MAX_VALUE/2) ||
(Math.abs(y) > Integer.MAX_VALUE/2)) {
if ((Math.abs(x) > Integer.MAX_VALUE/2) || (Math.abs(y) > Integer.MAX_VALUE/2)) {
Log.warning("Requested to dirty questionable region " +
"[rect=" + StringUtil.toString(rect) + "].");
if (Log.getLevel() == Log.log.DEBUG) {
@@ -107,8 +102,7 @@ public class RegionManager
return false;
} else if (width == 0 || height == 0) {
// no need to complain about zero sized rectangles, just
// ignore them
// no need to complain about zero sized rectangles, just ignore them
return false;
} else {
@@ -117,8 +111,8 @@ public class RegionManager
}
/**
* Returns true if dirty regions have been accumulated since the last
* call to {@link #getDirtyRegions}.
* Returns true if dirty regions have been accumulated since the last call to {@link
* #getDirtyRegions}.
*/
public boolean haveDirtyRegions ()
{
@@ -126,10 +120,9 @@ public class RegionManager
}
/**
* Merges all outstanding dirty regions into a single list of
* rectangles and returns that to the caller. Interally, the list of
* accumulated dirty regions is cleared out and prepared for the next
* frame.
* Merges all outstanding dirty regions into a single list of rectangles and returns that to
* the caller. Interally, the list of accumulated dirty regions is cleared out and prepared for
* the next frame.
*/
public Rectangle[] getDirtyRegions ()
{