80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
#include "shellprv.h"
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#pragma hdrstop
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#include "xiconwrap.h"
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// IUnknown
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STDMETHODIMP CExtractIconBase::QueryInterface(REFIID riid, void** ppv)
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{
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static const QITAB qit[] =
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{
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QITABENT(CExtractIconBase, IExtractIconA),
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QITABENT(CExtractIconBase, IExtractIconW),
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{ 0 },
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};
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return QISearch(this, qit, riid, ppv);
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}
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STDMETHODIMP_(ULONG) CExtractIconBase::AddRef()
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{
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return InterlockedIncrement(&_cRef);
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}
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STDMETHODIMP_(ULONG) CExtractIconBase::Release()
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{
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if (InterlockedDecrement(&_cRef))
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return _cRef;
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delete this;
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return 0;
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}
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CExtractIconBase::CExtractIconBase() : _cRef(1)
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{
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DllAddRef();
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}
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CExtractIconBase::~CExtractIconBase()
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{
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DllRelease();
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}
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// IExtractIconA
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STDMETHODIMP CExtractIconBase::GetIconLocation(UINT uFlags,
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LPSTR pszIconFile, UINT cchMax, int* piIndex, UINT* pwFlags)
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{
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WCHAR sz[MAX_PATH];
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HRESULT hr = _GetIconLocationW(uFlags, sz, ARRAYSIZE(sz), piIndex, pwFlags);
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if (S_OK == hr)
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{
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// We don't want to copy the icon file name on the S_FALSE case
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SHUnicodeToAnsi(sz, pszIconFile, cchMax);
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}
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return hr;
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}
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STDMETHODIMP CExtractIconBase::Extract(LPCSTR pszFile, UINT nIconIndex,
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HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
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{
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WCHAR sz[MAX_PATH];
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SHAnsiToUnicode(pszFile, sz, ARRAYSIZE(sz));
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return _ExtractW(sz, nIconIndex, phiconLarge, phiconSmall, nIconSize);
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}
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// IExtractIconW
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STDMETHODIMP CExtractIconBase::GetIconLocation(UINT uFlags,
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LPWSTR pszIconFile, UINT cchMax, int* piIndex, UINT* pwFlags)
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{
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return _GetIconLocationW(uFlags, pszIconFile, cchMax, piIndex, pwFlags);
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}
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STDMETHODIMP CExtractIconBase::Extract(LPCWSTR pszFile, UINT nIconIndex,
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HICON* phiconLarge, HICON* phiconSmall, UINT nIconSize)
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{
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return _ExtractW(pszFile, nIconIndex, phiconLarge, phiconSmall, nIconSize);
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}
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