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added ability to create a drawing surface from an HDC under windows.
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1ea29c4972
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@ -46,6 +46,8 @@ OBJS = \
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.\$(OBJDIR)\nsGfxFactoryWin.obj \
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$(NULL)
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EXPORTS=nsIRenderingContextWin.h
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LINCS= \
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-I..\
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-I$(PUBLIC)\raptor \
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43
gfx/src/windows/nsIRenderingContextWin.h
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43
gfx/src/windows/nsIRenderingContextWin.h
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@ -0,0 +1,43 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIRenderingContextWin_h___
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#define nsIRenderingContextWin_h___
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#include "nsIRenderingContext.h"
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#include <windows.h>
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// IID for the nsIRenderingContext interface
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#define NS_IRENDERING_CONTEXT_WIN_IID \
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{ 0x0fcde820, 0x8ae2, 0x11d2, \
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{ 0xa8, 0x48, 0x00, 0x40, 0x95, 0x9a, 0x28, 0xc9 } }
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// RenderingContextWin interface
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class nsIRenderingContextWin : public nsISupports
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{
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public:
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/**
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* Create a new drawing surface to represent an HDC.
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* @param aDC Windows HDC.
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* @param aSurface out parameter for new drawing surface
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* @result error status
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*/
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NS_IMETHOD CreateDrawingSurface(HDC aDC, nsDrawingSurface &aSurface) = 0;
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};
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#endif /* nsIRenderingContextWin_h___ */
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@ -48,6 +48,7 @@
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static NS_DEFINE_IID(kIDOMRenderingContextIID, NS_IDOMRENDERINGCONTEXT_IID);
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static NS_DEFINE_IID(kIRenderingContextIID, NS_IRENDERING_CONTEXT_IID);
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static NS_DEFINE_IID(kIRenderingContextWinIID, NS_IRENDERING_CONTEXT_WIN_IID);
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static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
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#define FLAG_CLIP_VALID 0x0001
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@ -311,8 +312,6 @@ nsresult nsDrawingSurfaceWin :: ReleaseDC()
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#endif
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static NS_DEFINE_IID(kRenderingContextIID, NS_IRENDERING_CONTEXT_IID);
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#ifdef NGLAYOUT_DDRAW
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IDirectDraw *nsRenderingContextWin::mDDraw = NULL;
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IDirectDraw2 *nsRenderingContextWin::mDDraw2 = NULL;
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@ -493,6 +492,14 @@ nsRenderingContextWin :: QueryInterface(REFNSIID aIID, void** aInstancePtr)
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return NS_OK;
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}
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if (aIID.Equals(kIRenderingContextWinIID))
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{
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nsIRenderingContextWin* tmp = this;
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*aInstancePtr = (void*) tmp;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(kIScriptObjectOwnerIID))
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{
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nsIScriptObjectOwner* tmp = this;
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@ -2051,3 +2058,18 @@ nsRenderingContextWin::DrawLine2(PRInt32 aX0, PRInt32 aY0,
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DrawLine(aX0, aY0, aX1, aY1);
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return NS_OK;
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}
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NS_IMETHODIMP nsRenderingContextWin :: CreateDrawingSurface(HDC aDC, nsDrawingSurface &aSurface)
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{
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nsDrawingSurfaceWin *surf = new nsDrawingSurfaceWin();
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if (nsnull != surf)
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{
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NS_ADDREF(surf);
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surf->Init(aDC, PR_FALSE);
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}
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aSurface = (nsDrawingSurface)surf;
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return NS_OK;
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}
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@ -35,6 +35,7 @@
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#include "nsVoidArray.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMRenderingContext.h"
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#include "nsIRenderingContextWin.h"
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class GraphicsState;
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class nsDrawingSurfaceWin;
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@ -44,6 +45,7 @@ class nsDrawingSurfaceWin;
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#endif
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class nsRenderingContextWin : public nsIRenderingContext,
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nsIRenderingContextWin,
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nsIDOMRenderingContext,
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nsIScriptObjectOwner
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{
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@ -158,6 +160,9 @@ public:
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// nsIDOMRenderingContext
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NS_DECL_IDOMRENDERINGCONTEXT
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// nsIRenderingContextWin
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NS_IMETHOD CreateDrawingSurface(HDC aDC, nsDrawingSurface &aSurface);
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// locals
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#ifdef NGLAYOUT_DDRAW
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nsresult GetDDraw(IDirectDraw2 **aDDraw);
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