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nsDeviceContextPS.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
00024  *   Ken Herron <kherron@fastmail.us>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef nsDeviceContextPS_h___
00041 #define nsDeviceContextPS_h___
00042 
00043 #include "nsDeviceContext.h"
00044 #include "nsUnitConversion.h"
00045 #include "nsIWidget.h"
00046 #include "nsIView.h"
00047 #include "nsIRenderingContext.h"
00048 #include "nsVoidArray.h"
00049 #include "nsIDeviceContextPS.h"
00050 #include "nsFontMetricsPS.h"
00051 #include "nsIPrintJobPS.h"
00052 
00053 class nsPostScriptObj;
00054 class nsDeviceContextWin;       // need to be a friend of the class using us.
00055 
00056 class nsDeviceContextPS : public DeviceContextImpl,
00057                           public nsIDeviceContextPS
00058 {
00059 public:
00060   nsDeviceContextPS();
00061 
00062   NS_DECL_ISUPPORTS_INHERITED
00063 
00069   NS_IMETHOD  InitDeviceContextPS(nsIDeviceContext *aCreatingDeviceContext,nsIDeviceContext *aPrinterContext); 
00070 
00071   NS_IMETHOD  CreateRenderingContext(nsIRenderingContext *&aContext);
00072   NS_IMETHOD  CreateRenderingContext(nsIView *aView, nsIRenderingContext *&aContext) {return (DeviceContextImpl::CreateRenderingContext(aView,aContext));}
00073   NS_IMETHOD  CreateRenderingContext(nsIWidget *aWidget, nsIRenderingContext *&aContext) {return (DeviceContextImpl::CreateRenderingContext(aWidget,aContext));}
00074   /* PostScript module does not support offscreen drawing surfaces */
00075   NS_IMETHOD  CreateRenderingContext(nsIDrawingSurface* aSurface, nsIRenderingContext *&aContext) {return NS_ERROR_NOT_IMPLEMENTED;}
00076   NS_IMETHOD  CreateRenderingContextInstance(nsIRenderingContext *&aContext);
00077 
00078   NS_IMETHOD  SupportsNativeWidgets(PRBool &aSupportsWidgets);
00079 
00080   NS_IMETHOD  GetScrollBarDimensions(float &aWidth, float &aHeight) const;
00081 
00082   NS_IMETHOD  CheckFontExistence(const nsString& aFontName);
00083   NS_IMETHOD  GetDepth(PRUint32& aDepth);
00084 
00085   NS_IMETHOD  GetDeviceSurfaceDimensions(PRInt32 &aWidth, PRInt32 &aHeight);
00086   NS_IMETHOD  GetClientRect(nsRect &aRect);
00087   NS_IMETHOD  GetRect(nsRect &aRect);
00088 
00089   NS_IMETHOD  GetDeviceContextFor(nsIDeviceContextSpec *aDevice,nsIDeviceContext *&aContext);
00090   NS_IMETHOD  GetSystemFont(nsSystemFontID anID, nsFont *aFont) const;
00091   NS_IMETHOD  BeginDocument(PRUnichar * aTitle, PRUnichar* aPrintToFileName, PRInt32 aStartPage, PRInt32 aEndPage);
00092   NS_IMETHOD  EndDocument(void);
00093   NS_IMETHOD  AbortDocument(void);
00094   NS_IMETHOD  BeginPage(void);
00095   NS_IMETHOD  EndPage(void);
00096   NS_IMETHOD  CreateFontCache();
00097   
00098   NS_IMETHOD  SetSpec(nsIDeviceContextSpec *aSpec);
00099 
00100   nsPostScriptObj*    GetPrintContext() { return mPSObj; }
00101   nsHashtable*        GetPSFontGeneratorList() { return mPSFontGeneratorList; }
00102   PRBool               mFTPEnable;
00103 
00104 protected:
00105   virtual     ~nsDeviceContextPS();
00106   
00107   nsIDrawingSurface*       mSurface;
00108   PRUint32               mDepth;
00109   nsCOMPtr<nsIDeviceContextSpec>  mSpec;
00110   nsCOMPtr<nsIDeviceContext>      mParentDeviceContext;
00111   nsIPrintJobPS         *mPrintJob;
00112   nsPostScriptObj       *mPSObj;
00113   nsHashtable           *mPSFontGeneratorList;
00114 };
00115 
00116 #endif /* nsDeviceContextPS_h___ */