зеркало из https://github.com/mozilla/pjs.git
90 строки
3.1 KiB
C++
90 строки
3.1 KiB
C++
/* -*- 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
|
|
* Mozilla Foundation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2009
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Jim Mathies <jmathies@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef gfx_SharedDIBWin_h__
|
|
#define gfx_SharedDIBWin_h__
|
|
|
|
#include <windows.h>
|
|
|
|
#include "SharedDIB.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
class SharedDIBWin : public SharedDIB
|
|
{
|
|
public:
|
|
SharedDIBWin();
|
|
~SharedDIBWin();
|
|
|
|
// Allocate a new win32 dib section compatible with an hdc. The dib will
|
|
// be selected into the hdc on return.
|
|
nsresult Create(HDC aHdc, PRUint32 aWidth, PRUint32 aHeight,
|
|
bool aTransparent);
|
|
|
|
// Wrap a dib section around an existing shared memory object. aHandle should
|
|
// point to a section large enough for the dib's memory, otherwise this call
|
|
// will fail.
|
|
nsresult Attach(Handle aHandle, PRUint32 aWidth, PRUint32 aHeight,
|
|
bool aTransparent);
|
|
|
|
// Destroy or release resources associated with this dib.
|
|
nsresult Close();
|
|
|
|
// Return the HDC of the shared dib.
|
|
HDC GetHDC() { return mSharedHdc; }
|
|
|
|
// Return the bitmap bits.
|
|
void* GetBits() { return mBitmapBits; }
|
|
|
|
private:
|
|
HDC mSharedHdc;
|
|
HBITMAP mSharedBmp;
|
|
HGDIOBJ mOldObj;
|
|
void* mBitmapBits;
|
|
|
|
PRUint32 SetupBitmapHeader(PRUint32 aWidth, PRUint32 aHeight,
|
|
bool aTransparent, BITMAPV4HEADER *aHeader);
|
|
nsresult SetupSurface(HDC aHdc, BITMAPV4HEADER *aHdr);
|
|
};
|
|
|
|
} // gfx
|
|
} // mozilla
|
|
|
|
#endif
|