Added getScreenCoords(), invalidateRect().

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@785 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/miso/client/IsoSceneView.java

@@ -1,5 +1,5 @@
 //
-// $Id: IsoSceneView.java,v 1.77 2001/12/14 23:31:04 shaper Exp $
+// $Id: IsoSceneView.java,v 1.78 2001/12/15 04:20:55 mdb Exp $
 
 package com.threerings.miso.scene;
 
@@ -404,22 +404,26 @@ public class IsoSceneView implements SceneView
         int size = rects.size();
         for (int ii = 0; ii < size; ii++) {
             Rectangle r = (Rectangle)rects.get(ii);
-
-	    // dirty the tiles impacted by this rectangle
-	    Rectangle tileBounds = invalidateScreenRect(r);
-
-            // dirty any sprites or objects impacted by this rectangle
-            invalidateItems(tileBounds);
-
-	    // save the rectangle for potential display later
-	    _dirtyRects.add(r);
+            invalidateRect(r);
         }
     }
 
+    // documentation inherited
+    public void invalidateRect (Rectangle rect)
+    {
+        // dirty the tiles impacted by this rectangle
+        Rectangle tileBounds = invalidateScreenRect(rect);
+
+        // dirty any sprites or objects impacted by this rectangle
+        invalidateItems(tileBounds);
+
+        // save the rectangle for potential display later
+        _dirtyRects.add(rect);
+    }
+
     /**
-     * Invalidates the given rectangle in screen pixel coordinates in
-     * the view.  Returns a rectangle that bounds all tiles that were
-     * dirtied.
+     * Invalidates the given rectangle in screen pixel coordinates in the
+     * view. Returns a rectangle that bounds all tiles that were dirtied.
      *
      * @param rect the dirty rectangle.
      */
@@ -611,6 +615,14 @@ public class IsoSceneView implements SceneView
             new TilePath(_model, sprite, points, x, y);
     }
 
+    // documentation inherited
+    public Point getScreenCoords (int x, int y)
+    {
+	Point coords = new Point();
+	IsoUtil.fullToScreen(_model, x, y, coords);
+        return coords;
+    }
+
     /** The stroke used to draw dirty rectangles. */
     protected static final Stroke DIRTY_RECT_STROKE = new BasicStroke(2);
 

src/java/com/threerings/miso/client/SceneView.java

@@ -1,9 +1,10 @@
 //
-// $Id: SceneView.java,v 1.19 2001/11/18 04:09:22 mdb Exp $
+// $Id: SceneView.java,v 1.20 2001/12/15 04:20:55 mdb Exp $
 
 package com.threerings.miso.scene;
 
 import java.awt.Graphics;
+import java.awt.Point;
 import java.util.List;
 
 import com.threerings.media.sprite.DirtyRectList;
@@ -17,8 +18,8 @@ import com.threerings.media.sprite.Path;
 public interface SceneView
 {
     /**
-     * Invalidates a list of rectangles in screen pixel coordinates in
-     * the scene view for later repainting.
+     * Invalidate a list of rectangles in screen pixel coordinates in the
+     * scene view for later repainting.
      *
      * @param rects the list of {@link java.awt.Rectangle} objects.
      */
@@ -50,4 +51,9 @@ public interface SceneView
      * @return the sprite's path, or null if no valid path exists.
      */
     public Path getPath (MisoCharacterSprite sprite, int x, int y);
+
+    /**
+     * Returns screen coordinates given the specified full coordinates.
+     */
+    public Point getScreenCoords (int x, int y);
 }