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#pragma once
class CGdiPlusBitmap
{
public:
Gdiplus::Bitmap* m_pBitmap;
public:
CGdiPlusBitmap()
{
m_pBitmap = NULL;
}
CGdiPlusBitmap(LPCWSTR pFile)
{
m_pBitmap = NULL;
Load(pFile);
}
virtual ~CGdiPlusBitmap()
{
Empty();
}
void Empty()
{
delete m_pBitmap;
m_pBitmap = NULL;
}
bool Load(LPCWSTR pFile)
{
Empty();
m_pBitmap = Gdiplus::Bitmap::FromFile(pFile);
return m_pBitmap->GetLastStatus() == Gdiplus::Ok;
}
operator Gdiplus::Bitmap*() const
{
return m_pBitmap;
}
};
class CGdiPlusBitmapResource : public CGdiPlusBitmap
{
protected:
HGLOBAL m_hBuffer;
public:
CGdiPlusBitmapResource()
{
m_hBuffer = NULL;
}
CGdiPlusBitmapResource(LPCTSTR pName, LPCTSTR pType = RT_RCDATA, HMODULE hInst = NULL)
{
m_hBuffer = NULL;
Load(pName, pType, hInst);
}
CGdiPlusBitmapResource(UINT id, LPCTSTR pType = RT_RCDATA, HMODULE hInst = NULL)
{
m_hBuffer = NULL;
Load(id, pType, hInst);
}
CGdiPlusBitmapResource(UINT id, UINT type, HMODULE hInst = NULL)
{
m_hBuffer = NULL;
Load(id, type, hInst);
}
virtual ~CGdiPlusBitmapResource()
{
Empty();
}
void Empty();
bool Load(LPCTSTR pName, LPCTSTR pType = RT_RCDATA, HMODULE hInst = NULL);
bool Load(UINT id, LPCTSTR pType = RT_RCDATA, HMODULE hInst = NULL)
{
return Load(MAKEINTRESOURCE(id), pType, hInst);
}
bool Load(UINT id, UINT type, HMODULE hInst = NULL)
{
return Load(MAKEINTRESOURCE(id), MAKEINTRESOURCE(type), hInst);
}
};
inline
void CGdiPlusBitmapResource::Empty()
{
CGdiPlusBitmap::Empty();
if (m_hBuffer)
{
::GlobalUnlock(m_hBuffer);
::GlobalFree(m_hBuffer);
m_hBuffer = NULL;
}
}
inline
bool CGdiPlusBitmapResource::Load(LPCTSTR pName, LPCTSTR pType, HMODULE hInst)
{
Empty();
HRSRC hResource = ::FindResource(hInst, pName, pType);
if (!hResource)
return false;
DWORD imageSize = ::SizeofResource(hInst, hResource);
if (!imageSize)
return false;
const void* pResourceData = ::LockResource(::LoadResource(hInst, hResource));
if (!pResourceData)
return false;
m_hBuffer = ::GlobalAlloc(GMEM_MOVEABLE, imageSize);
if (m_hBuffer)
{
void* pBuffer = ::GlobalLock(m_hBuffer);
if (pBuffer)
{
CopyMemory(pBuffer, pResourceData, imageSize);
IStream* pStream = NULL;
if (::CreateStreamOnHGlobal(m_hBuffer, FALSE, &pStream) == S_OK)
{
m_pBitmap = Gdiplus::Bitmap::FromStream(pStream);
pStream->Release();
if (m_pBitmap)
{
if (m_pBitmap->GetLastStatus() == Gdiplus::Ok)
return true;
delete m_pBitmap;
m_pBitmap = NULL;
}
}
::GlobalUnlock(m_hBuffer);
}
::GlobalFree(m_hBuffer);
m_hBuffer = NULL;
}
return false;
}
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