rainmeter-studio/Common/Gfx/Util/WICBitmapLockGDIP.h
2014-01-05 12:07:22 +02:00

61 lines
1.9 KiB
C++

/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef RM_GFX_UTIL_WICBITMAPLOCKGDIP_H_
#define RM_GFX_UTIL_WICBITMAPLOCKGDIP_H_
#include <Windows.h>
#include <ole2.h> // For Gdiplus.h.
#include <GdiPlus.h>
#include <wincodec.h>
namespace Gfx {
namespace Util {
// Allows the creation of a shared ID2D1Bitmap using pixel data in a Gdiplus::Bitmap. It is
// assumed that this class is used only with 32bpp PARGB bitmaps and using a sigle thread.
class WICBitmapLockGDIP : public IWICBitmapLock
{
public:
WICBitmapLockGDIP();
Gdiplus::BitmapData* GetBitmapData() { return &m_BitmapData; }
// IUnknown
IFACEMETHOD(QueryInterface)(REFIID riid, void** ppvObject);
IFACEMETHOD_(ULONG, AddRef)();
IFACEMETHOD_(ULONG, Release)();
// IWICBitmapLock
IFACEMETHOD(GetSize)(UINT* puiWidth, UINT* puiHeight);
IFACEMETHOD(GetStride)(UINT* pcbStride);
IFACEMETHOD(GetDataPointer)(UINT* pcbBufferSize, BYTE** ppbData);
IFACEMETHOD(GetPixelFormat)(WICPixelFormatGUID* pPixelFormat);
private:
WICBitmapLockGDIP(const WICBitmapLockGDIP& other) = delete;
WICBitmapLockGDIP& operator=(WICBitmapLockGDIP other) = delete;
Gdiplus::BitmapData m_BitmapData;
UINT m_RefCount;
};
} // namespace Util
} // namespace Gfx
#endif