RetroZilla/gfx/src/windows/nsDrawingSurfaceWin.h
2015-10-20 23:03:22 -04:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDrawingSurfaceWin_h___
#define nsDrawingSurfaceWin_h___
#include "nsIDrawingSurface.h"
#include "nsIDrawingSurfaceWin.h"
#ifdef NGLAYOUT_DDRAW
#include "ddraw.h"
#endif
class nsDrawingSurfaceWin : public nsIDrawingSurface,
nsIDrawingSurfaceWin
{
public:
nsDrawingSurfaceWin();
NS_DECL_ISUPPORTS
//nsIDrawingSurface interface
NS_IMETHOD Lock(PRInt32 aX, PRInt32 aY, PRUint32 aWidth, PRUint32 aHeight,
void **aBits, PRInt32 *aStride, PRInt32 *aWidthBytes,
PRUint32 aFlags);
NS_IMETHOD Unlock(void);
NS_IMETHOD GetDimensions(PRUint32 *aWidth, PRUint32 *aHeight);
NS_IMETHOD IsOffscreen(PRBool *aOffScreen);
NS_IMETHOD IsPixelAddressable(PRBool *aAddressable);
NS_IMETHOD GetPixelFormat(nsPixelFormat *aFormat);
//nsIDrawingSurfaceWin interface
NS_IMETHOD Init(HDC aDC);
NS_IMETHOD Init(HDC aDC, PRUint32 aWidth, PRUint32 aHeight,
PRUint32 aFlags);
NS_IMETHOD GetDC(HDC *aDC);
NS_IMETHOD GetTECHNOLOGY(PRInt32 *aTechnology);
NS_IMETHOD ReleaseDC(void);
NS_IMETHOD IsReleaseDCDestructive(PRBool *aDestructive);
// locals
#ifdef NGLAYOUT_DDRAW
nsresult GetDDraw(IDirectDraw2 **aDDraw);
#endif
private:
~nsDrawingSurfaceWin();
BITMAPINFO *CreateBitmapInfo(PRInt32 aWidth, PRInt32 aHeight, PRInt32 aDepth,
void **aBits = nsnull);
#ifdef NGLAYOUT_DDRAW
nsresult CreateDDraw(void);
PRBool LockSurface(IDirectDrawSurface *aSurface, DDSURFACEDESC *aDesc,
BITMAP *aBitmap, RECT *aRect, DWORD aLockFlags, nsPixelFormat *aPixFormat);
#endif
HDC mDC;
HBITMAP mOrigBitmap;
HBITMAP mSelectedBitmap;
PRBool mKillDC;
BITMAPINFO *mBitmapInfo;
PRUint8 *mDIBits;
BITMAP mBitmap;
nsPixelFormat mPixFormat;
HBITMAP mLockedBitmap;
PRUint32 mWidth;
PRUint32 mHeight;
PRInt32 mLockOffset;
PRInt32 mLockHeight;
PRUint32 mLockFlags;
PRInt32 mTechnology;
#ifdef NGLAYOUT_DDRAW
IDirectDrawSurface *mSurface;
PRInt32 mSurfLockCnt;
DDSURFACEDESC mSurfDesc;
static IDirectDraw *mDDraw;
static IDirectDraw2 *mDDraw2;
static nsresult mDDrawResult;
#endif
};
#endif