mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef gfx_SharedDIB_h__
|
|
#define gfx_SharedDIB_h__
|
|
|
|
#include "base/shared_memory.h"
|
|
#include "nscore.h"
|
|
|
|
namespace mozilla {
|
|
namespace gfx {
|
|
|
|
class SharedDIB
|
|
{
|
|
public:
|
|
typedef base::SharedMemoryHandle Handle;
|
|
|
|
public:
|
|
SharedDIB();
|
|
~SharedDIB();
|
|
|
|
// Create and allocate a new shared dib.
|
|
nsresult Create(uint32_t aSize);
|
|
|
|
// Destroy or release resources associated with this dib.
|
|
nsresult Close();
|
|
|
|
// Returns true if this object contains a valid dib.
|
|
bool IsValid();
|
|
|
|
// Wrap a new shared dib around allocated shared memory. Note aHandle must point
|
|
// to a memory section large enough to hold a dib of size aSize, otherwise this
|
|
// will fail.
|
|
nsresult Attach(Handle aHandle, uint32_t aSize);
|
|
|
|
// Returns a SharedMemoryHandle suitable for sharing with another process.
|
|
nsresult ShareToProcess(base::ProcessId aTargetPid, Handle *aNewHandle);
|
|
|
|
protected:
|
|
base::SharedMemory *mShMem;
|
|
};
|
|
|
|
} // gfx
|
|
} // mozilla
|
|
|
|
#endif
|