/* 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_WICBITMAPLOCKDIB_H_ #define RM_GFX_UTIL_WICBITMAPLOCKDIB_H_ #include #include #include "WICBitmapDIB.h" namespace Gfx { namespace Util { // Implements the IWICBitmapLock interface for use with WICBitmapDIB. It is assumed that this // class is used only with 32bpp PARGB bitmaps and using a sigle thread. class WICBitmapLockDIB : public IWICBitmapLock { public: WICBitmapLockDIB(WICBitmapDIB* bitmap, const WICRect* lockRect); virtual ~WICBitmapLockDIB(); void Resize(UINT w, UINT h); // 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: WICBitmapLockDIB(const WICBitmapLockDIB& other) = delete; WICBitmapLockDIB& operator=(WICBitmapLockDIB other) = delete; WICBitmapDIB* m_Bitmap; const WICRect* m_Rect; UINT m_RefCount; }; } // namespace Util } // namespace Gfx #endif