gfx/src/nsScriptableRegion.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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   4  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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   7  * 1.1 (the "License"); you may not use this file except in compliance with
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   9  * http://www.mozilla.org/MPL/
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  16  * The Original Code is Mozilla Communicator.
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  20  * Portions created by the Initial Developer are Copyright (C) 1999
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  23  * Contributor(s):
  24  *   Patrick Beard
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  39
  40 #include "nsScriptableRegion.h"
  41 #include "nsIRegion.h"
  42 #include "nsCOMPtr.h"
  43
  44 nsScriptableRegion::nsScriptableRegion(nsIRegion* region) : mRegion(nsnull)
  45 {
  46         mRegion = region;
  47         NS_IF_ADDREF(mRegion);
  48 }
  49
  50 nsScriptableRegion::~nsScriptableRegion()
  51 {
  52         NS_IF_RELEASE(mRegion);
  53 }
  54
  55 NS_IMPL_ISUPPORTS1(nsScriptableRegion, nsIScriptableRegion)
  56
  57 NS_IMETHODIMP nsScriptableRegion::Init()
  58 {
  59         return mRegion->Init();
  60 }
  61
  62 NS_IMETHODIMP nsScriptableRegion::SetToRegion(nsIScriptableRegion *aRegion)
  63 {
  64         nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
  65         mRegion->SetTo(*region);
  66         return NS_OK;
  67 }
  68
  69 NS_IMETHODIMP nsScriptableRegion::SetToRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
  70 {
  71         mRegion->SetTo(aX, aY, aWidth, aHeight);
  72         return NS_OK;
  73 }
  74
  75 NS_IMETHODIMP nsScriptableRegion::IntersectRegion(nsIScriptableRegion *aRegion)
  76 {
  77         nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
  78         mRegion->Intersect(*region);
  79         return NS_OK;
  80 }
  81
  82 NS_IMETHODIMP nsScriptableRegion::IntersectRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
  83 {
  84         mRegion->Intersect(aX, aY, aWidth, aHeight);
  85         return NS_OK;
  86 }
  87
  88 NS_IMETHODIMP nsScriptableRegion::UnionRegion(nsIScriptableRegion *aRegion)
  89 {
  90         nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
  91         mRegion->Union(*region);
  92         return NS_OK;
  93 }
  94
  95 NS_IMETHODIMP nsScriptableRegion::UnionRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
  96 {
  97         mRegion->Union(aX, aY, aWidth, aHeight);
  98         return NS_OK;
  99 }
 100
 101 NS_IMETHODIMP nsScriptableRegion::SubtractRegion(nsIScriptableRegion *aRegion)
 102 {
 103         nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
 104         mRegion->Subtract(*region);
 105         return NS_OK;
 106 }
 107
 108 NS_IMETHODIMP nsScriptableRegion::SubtractRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight)
 109 {
 110         mRegion->Subtract(aX, aY, aWidth, aHeight);
 111         return NS_OK;
 112 }
 113
 114 NS_IMETHODIMP nsScriptableRegion::IsEmpty(PRBool *isEmpty)
 115 {
 116         *isEmpty = mRegion->IsEmpty();
 117         return NS_OK;
 118 }
 119
 120 NS_IMETHODIMP nsScriptableRegion::IsEqualRegion(nsIScriptableRegion *aRegion, PRBool *isEqual)
 121 {
 122         nsCOMPtr<nsIRegion> region(do_QueryInterface(aRegion));
 123         *isEqual = mRegion->IsEqual(*region);
 124         return NS_OK;
 125 }
 126
 127 NS_IMETHODIMP nsScriptableRegion::GetBoundingBox(PRInt32 *aX, PRInt32 *aY, PRInt32 *aWidth, PRInt32 *aHeight)
 128 {
 129         mRegion->GetBoundingBox(aX, aY, aWidth, aHeight);
 130         return NS_OK;
 131 }
 132
 133 NS_IMETHODIMP nsScriptableRegion::Offset(PRInt32 aXOffset, PRInt32 aYOffset)
 134 {
 135         mRegion->Offset(aXOffset, aYOffset);
 136         return NS_OK;
 137 }
 138
 139 NS_IMETHODIMP nsScriptableRegion::ContainsRect(PRInt32 aX, PRInt32 aY, PRInt32 aWidth, PRInt32 aHeight, PRBool *containsRect)
 140 {
 141         *containsRect = mRegion->ContainsRect(aX, aY, aWidth, aHeight);
 142         return NS_OK;
 143 }
 144
 145
 146 NS_IMETHODIMP nsScriptableRegion::GetRegion(nsIRegion** outRgn)
 147 {
 148   *outRgn = mRegion;
 149   NS_IF_ADDREF(*outRgn);
 150   return NS_OK;
 151 }