LCOV - app.info - gfx/src/nsScriptableRegion.cpp

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: | 2012-07-07 | 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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