2013-03-25 15:36:12 +00:00
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/*
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Copyright (C) 2013 Birunthan Mohanathas
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "WICBitmapLockGDIP.h"
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#include <cassert>
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namespace Gfx {
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2013-03-26 19:20:13 +00:00
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WICBitmapLockGDIP::WICBitmapLockGDIP() :
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m_RefCount(1)
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{
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}
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2013-03-25 15:36:12 +00:00
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IFACEMETHODIMP WICBitmapLockGDIP::QueryInterface(REFIID riid, void** ppvObject)
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{
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return E_NOTIMPL;
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}
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IFACEMETHODIMP_(ULONG) WICBitmapLockGDIP::AddRef()
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{
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++m_RefCount;
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return m_RefCount;
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}
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IFACEMETHODIMP_(ULONG) WICBitmapLockGDIP::Release()
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{
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--m_RefCount;
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if (m_RefCount == 0)
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{
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delete this;
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return 0;
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}
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return m_RefCount;
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}
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IFACEMETHODIMP WICBitmapLockGDIP::GetSize(UINT* puiWidth, UINT* puiHeight)
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{
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*puiWidth = m_BitmapData.Width;
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*puiHeight = m_BitmapData.Height;
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return S_OK;
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}
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IFACEMETHODIMP WICBitmapLockGDIP::GetStride(UINT* pcbStride)
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{
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*pcbStride = m_BitmapData.Stride;
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return S_OK;
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}
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IFACEMETHODIMP WICBitmapLockGDIP::GetDataPointer(UINT* pcbBufferSize, BYTE** ppbData)
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{
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assert(m_BitmapData.PixelFormat == PixelFormat32bppPARGB);
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*pcbBufferSize = m_BitmapData.Stride * m_BitmapData.Height;
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*ppbData = (BYTE*)m_BitmapData.Scan0;
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return S_OK;
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}
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IFACEMETHODIMP WICBitmapLockGDIP::GetPixelFormat(WICPixelFormatGUID* pPixelFormat)
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{
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assert(m_BitmapData.PixelFormat == PixelFormat32bppPARGB);
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*pPixelFormat = GUID_WICPixelFormat32bppPBGRA;
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return S_OK;
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}
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} // namespace Gfx
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