Gfx: Move WIC files to Util

Common/Gfx/Util/WICBitmapLockDIB.cpp

@@ -0,0 +1,91 @@
+/*
+  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.
+*/
+
+#include "WICBitmapLockDIB.h"
+#include <cassert>
+
+namespace Gfx {
+namespace Util {
+
+WICBitmapLockDIB::WICBitmapLockDIB(WICBitmapDIB* bitmap, const WICRect* lockRect) :
+	m_Bitmap(bitmap),
+	m_Rect(lockRect),
+	m_RefCount(1)
+{
+}
+
+WICBitmapLockDIB::~WICBitmapLockDIB()
+{
+}
+
+IFACEMETHODIMP WICBitmapLockDIB::QueryInterface(REFIID riid, void** ppvObject)
+{
+	return E_NOTIMPL;
+}
+
+IFACEMETHODIMP_(ULONG) WICBitmapLockDIB::AddRef()
+{
+	++m_RefCount;
+	return m_RefCount;
+}
+
+IFACEMETHODIMP_(ULONG) WICBitmapLockDIB::Release()
+{
+	--m_RefCount;
+	if (m_RefCount == 0)
+	{
+		delete this;
+		return 0;
+	}
+
+	return m_RefCount;
+}
+
+IFACEMETHODIMP WICBitmapLockDIB::GetSize(UINT* puiWidth, UINT* puiHeight)
+{
+	return m_Bitmap->GetSize(puiWidth, puiHeight);
+}
+
+IFACEMETHODIMP WICBitmapLockDIB::GetStride(UINT* pcbStride)
+{
+	UINT width = 0;
+	m_Bitmap->GetSize(&width, nullptr);
+
+	if (pcbStride) *pcbStride = (width * 32 + 31) / 32 * 4;
+
+	return S_OK;
+}
+
+IFACEMETHODIMP WICBitmapLockDIB::GetDataPointer(UINT* pcbBufferSize, BYTE** ppbData)
+{
+	UINT stride = 0;
+	GetStride(&stride);
+
+	if (pcbBufferSize) *pcbBufferSize = stride * m_Rect->Height;
+	if (ppbData) *ppbData = (BYTE*)&m_Bitmap->m_DIBSectionBufferPixels[m_Rect->Y * m_Rect->Width + m_Rect->X];
+
+	return S_OK;
+}
+
+IFACEMETHODIMP WICBitmapLockDIB::GetPixelFormat(WICPixelFormatGUID* pPixelFormat)
+{
+	return m_Bitmap->GetPixelFormat(pPixelFormat);
+}
+
+}  // namespace Util
+}  // namespace Gfx