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- /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corp.
- * Portions created by the Initial Developer are Copyright (C) 1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Mike Pinkerton
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISupports.idl"
-
- %{C++
- class nsIRegion;
- %}
-
- [ptr] native nsIRegion(nsIRegion);
-
-
- [scriptable, uuid(82d8f400-5bde-11d3-b033-b27a62766bbc)]
- interface nsIScriptableRegion : nsISupports
- {
- void init ( ) ;
-
- /**
- * copy operator equivalent that takes another region
- *
- * @param region to copy
- * @return void
- *
- **/
-
- void setToRegion ( in nsIScriptableRegion aRegion );
-
- /**
- * copy operator equivalent that takes a rect
- *
- * @param aX xoffset of rect to set region to
- * @param aY yoffset of rect to set region to
- * @param aWidth width of rect to set region to
- * @param aHeight height of rect to set region to
- * @return void
- *
- **/
-
- void setToRect ( in long aX, in long aY, in long aWidth, in long aHeight );
-
- /**
- * destructively intersect another region with this one
- *
- * @param region to intersect
- * @return void
- *
- **/
-
- void intersectRegion ( in nsIScriptableRegion aRegion ) ;
-
- /**
- * destructively intersect a rect with this region
- *
- * @param aX xoffset of rect to intersect with region
- * @param aY yoffset of rect to intersect with region
- * @param aWidth width of rect to intersect with region
- * @param aHeight height of rect to intersect with region
- * @return void
- *
- **/
-
- void intersectRect ( in long aX, in long aY, in long aWidth, in long aHeight ) ;
-
- /**
- * destructively union another region with this one
- *
- * @param region to union
- * @return void
- *
- **/
-
- void unionRegion ( in nsIScriptableRegion aRegion ) ;
-
- /**
- * destructively union a rect with this region
- *
- * @param aX xoffset of rect to union with region
- * @param aY yoffset of rect to union with region
- * @param aWidth width of rect to union with region
- * @param aHeight height of rect to union with region
- * @return void
- *
- **/
-
- void unionRect ( in long aX, in long aY, in long aWidth, in long aHeight ) ;
-
- /**
- * destructively subtract another region with this one
- *
- * @param region to subtract
- * @return void
- *
- **/
-
- void subtractRegion ( in nsIScriptableRegion aRegion ) ;
-
- /**
- * destructively subtract a rect from this region
- *
- * @param aX xoffset of rect to subtract with region
- * @param aY yoffset of rect to subtract with region
- * @param aWidth width of rect to subtract with region
- * @param aHeight height of rect to subtract with region
- * @return void
- *
- **/
-
- void subtractRect ( in long aX, in long aY, in long aWidth, in long aHeight ) ;
-
- /**
- * is this region empty? i.e. does it contain any pixels
- *
- * @param none
- * @return returns whether the region is empty
- *
- **/
-
- boolean isEmpty ( ) ;
-
- /**
- * == operator equivalent i.e. do the regions contain exactly
- * the same pixels
- *
- * @param region to compare
- * @return whether the regions are identical
- *
- **/
-
- boolean isEqualRegion ( in nsIScriptableRegion aRegion ) ;
-
- /**
- * returns the bounding box of the region i.e. the smallest
- * rectangle that completely contains the region.
- *
- * @param aX out parameter for xoffset of bounding rect for region
- * @param aY out parameter for yoffset of bounding rect for region
- * @param aWidth out parameter for width of bounding rect for region
- * @param aHeight out parameter for height of bounding rect for region
- * @return void
- *
- **/
- void getBoundingBox ( out long aX, out long aY, out long aWidth, out long aHeight ) ;
-
- /**
- * offsets the region in x and y
- *
- * @param xoffset pixel offset in x
- * @param yoffset pixel offset in y
- * @return void
- *
- **/
- void offset ( in long aXOffset, in long aYOffset ) ;
-
- /**
- * does the region intersect the rectangle?
- *
- * @param rect to check for containment
- * @return true if the region intersects the rect
- *
- **/
-
- boolean containsRect ( in long aX, in long aY, in long aWidth, in long aHeight ) ;
-
- [noscript] readonly attribute nsIRegion region;
-
- };
-
-
- %{ C++
-
- %}
-