Win32从资源中加载PNG图片,然后创建GDI+的Image对象

Image* LoadPNGFromStaticRes(HMODULE hModule, UINT nResId)
{
	HRSRC hRes = FindResource(hModule, MAKEINTRESOURCE(nResId), TEXT("PNG"));
	DWORD dwResSize = SizeofResource(hModule, hRes);

	HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE, dwResSize);
	CopyMemory(GlobalLock(hGlobal), LockResource(LoadResource(hModule, hRes)), dwResSize);

	IStream* pIStream;
	CreateStreamOnHGlobal(hGlobal, FALSE, &pIStream);
	Image* pImg = Image::FromStream(pIStream);
	pIStream->Release();
	
	GlobalUnlock(hGlobal);
	GlobalFree(hGlobal);
	return pImg;
}

返回的Image指针最后需要delete掉!

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