LCOV - code coverage report
Current view: directory - gfx/src - nsScriptableRegion.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 78 23 29.5 %
Date: 2012-06-02 Functions: 20 6 30.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  *
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla Communicator.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corp.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1999
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Patrick Beard
      25                 :  *   Taras Glek
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      29                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "nsScriptableRegion.h"
      42                 : #include "nsCOMPtr.h"
      43                 : #include "nsIXPConnect.h"
      44                 : #include "nsServiceManagerUtils.h"
      45                 : #include "jsapi.h"
      46                 : 
      47               1 : nsScriptableRegion::nsScriptableRegion()
      48                 : {
      49               1 : }
      50                 : 
      51              21 : NS_IMPL_ISUPPORTS1(nsScriptableRegion, nsIScriptableRegion)
      52                 : 
      53               0 : NS_IMETHODIMP nsScriptableRegion::Init()
      54                 : {
      55               0 :   return NS_OK;
      56                 : }
      57                 : 
      58               0 : NS_IMETHODIMP nsScriptableRegion::SetToRegion(nsIScriptableRegion *aRegion)
      59                 : {
      60               0 :   aRegion->GetRegion(&mRegion);
      61               0 :   return NS_OK;
      62                 : }
      63                 : 
      64               0 : NS_IMETHODIMP nsScriptableRegion::SetToRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
      65                 : {
      66               0 :   mRegion = nsIntRect(aX, aY, aWidth, aHeight);
      67               0 :   return NS_OK;
      68                 : }
      69                 : 
      70               0 : NS_IMETHODIMP nsScriptableRegion::IntersectRegion(nsIScriptableRegion *aRegion)
      71                 : {
      72               0 :   nsIntRegion region;
      73               0 :   aRegion->GetRegion(&region);
      74               0 :   mRegion.And(mRegion, region);
      75               0 :   return NS_OK;
      76                 : }
      77                 : 
      78               0 : NS_IMETHODIMP nsScriptableRegion::IntersectRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
      79                 : {
      80               0 :   mRegion.And(mRegion, nsIntRect(aX, aY, aWidth, aHeight));
      81               0 :   return NS_OK;
      82                 : }
      83                 : 
      84               0 : NS_IMETHODIMP nsScriptableRegion::UnionRegion(nsIScriptableRegion *aRegion)
      85                 : {
      86               0 :   nsIntRegion region;
      87               0 :   aRegion->GetRegion(&region);
      88               0 :   mRegion.Or(mRegion, region);
      89               0 :   return NS_OK;
      90                 : }
      91                 : 
      92               2 : NS_IMETHODIMP nsScriptableRegion::UnionRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
      93                 : {
      94               2 :   mRegion.Or(mRegion, nsIntRect(aX, aY, aWidth, aHeight));
      95               2 :   return NS_OK;
      96                 : }
      97                 : 
      98               0 : NS_IMETHODIMP nsScriptableRegion::SubtractRegion(nsIScriptableRegion *aRegion)
      99                 : {
     100               0 :   nsIntRegion region;
     101               0 :   aRegion->GetRegion(&region);
     102               0 :   mRegion.Sub(mRegion, region);
     103               0 :   return NS_OK;
     104                 : }
     105                 : 
     106               0 : NS_IMETHODIMP nsScriptableRegion::SubtractRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
     107                 : {
     108               0 :   mRegion.Sub(mRegion, nsIntRect(aX, aY, aWidth, aHeight));
     109               0 :   return NS_OK;
     110                 : }
     111                 : 
     112               0 : NS_IMETHODIMP nsScriptableRegion::IsEmpty(bool *isEmpty)
     113                 : {
     114               0 :   *isEmpty = mRegion.IsEmpty();
     115               0 :   return NS_OK;
     116                 : }
     117                 : 
     118               0 : NS_IMETHODIMP nsScriptableRegion::IsEqualRegion(nsIScriptableRegion *aRegion, bool *isEqual)
     119                 : {
     120               0 :   nsIntRegion region;
     121               0 :   aRegion->GetRegion(&region);
     122               0 :   *isEqual = mRegion.IsEqual(region);
     123               0 :   return NS_OK;
     124                 : }
     125                 : 
     126               0 : NS_IMETHODIMP nsScriptableRegion::GetBoundingBox(PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight)
     127                 : {
     128               0 :   nsIntRect boundRect = mRegion.GetBounds();
     129               0 :   *aX = boundRect.x;
     130               0 :   *aY = boundRect.y;
     131               0 :   *aWidth = boundRect.width;
     132               0 :   *aHeight = boundRect.height;
     133               0 :   return NS_OK;
     134                 : }
     135                 : 
     136               0 : NS_IMETHODIMP nsScriptableRegion::Offset(PRInt32 aXOffset, PRInt32 aYOffset)
     137                 : {
     138               0 :   mRegion.MoveBy(aXOffset, aYOffset);
     139               0 :   return NS_OK;
     140                 : }
     141                 : 
     142               0 : NS_IMETHODIMP nsScriptableRegion::ContainsRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, bool *containsRect)
     143                 : {
     144               0 :   *containsRect = mRegion.Contains(nsIntRect(aX, aY, aWidth, aHeight));
     145               0 :   return NS_OK;
     146                 : }
     147                 : 
     148                 : 
     149               0 : NS_IMETHODIMP nsScriptableRegion::GetRegion(nsIntRegion* outRgn)
     150                 : {
     151               0 :   *outRgn = mRegion;
     152               0 :   return NS_OK;
     153                 : }
     154                 : 
     155               3 : NS_IMETHODIMP nsScriptableRegion::GetRects(JSContext* aCx, JS::Value* aRects)
     156                 : {
     157               3 :   PRUint32 numRects = mRegion.GetNumRects();
     158                 : 
     159               3 :   if (!numRects) {
     160               1 :     *aRects = JSVAL_NULL;
     161               1 :     return NS_OK;
     162                 :   }
     163                 : 
     164               2 :   JSObject* destArray = JS_NewArrayObject(aCx, numRects * 4, NULL);
     165               2 :   if (!destArray) {
     166               0 :     return NS_ERROR_OUT_OF_MEMORY;
     167                 :   }
     168                 : 
     169               2 :   *aRects = OBJECT_TO_JSVAL(destArray);
     170                 : 
     171               2 :   uint32 n = 0;
     172               2 :   nsIntRegionRectIterator iter(mRegion);
     173                 :   const nsIntRect *rect;
     174                 : 
     175               7 :   while ((rect = iter.Next())) {
     176              12 :     if (!JS_DefineElement(aCx, destArray, n, INT_TO_JSVAL(rect->x), NULL, NULL, JSPROP_ENUMERATE) ||
     177               3 :         !JS_DefineElement(aCx, destArray, n + 1, INT_TO_JSVAL(rect->y), NULL, NULL, JSPROP_ENUMERATE) ||
     178               3 :         !JS_DefineElement(aCx, destArray, n + 2, INT_TO_JSVAL(rect->width), NULL, NULL, JSPROP_ENUMERATE) ||
     179               3 :         !JS_DefineElement(aCx, destArray, n + 3, INT_TO_JSVAL(rect->height), NULL, NULL, JSPROP_ENUMERATE)) {
     180               0 :       return NS_ERROR_FAILURE;
     181                 :     }
     182               3 :     n += 4;
     183                 :   }
     184                 : 
     185               2 :   return NS_OK;
     186                 : }

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