mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
3.1 KiB
119 lines
3.1 KiB
#pragma once
|
|
|
|
// forward declaration to make things easy
|
|
class CAnnotationSet;
|
|
|
|
typedef struct
|
|
{
|
|
SIZE szImage;
|
|
ULONG xDPI;
|
|
ULONG yDPI;
|
|
DWORD dwDelay;
|
|
} PageInfo;
|
|
|
|
typedef struct
|
|
{
|
|
DWORD dwID;
|
|
RECT rc;
|
|
HBITMAP hbm;
|
|
HPALETTE hPal;
|
|
HDC hdc;
|
|
HPALETTE hPalOld;
|
|
HBITMAP hbmOld;
|
|
} Buffer;
|
|
|
|
void DeleteBuffer(Buffer * pBuf);
|
|
|
|
class CDecodeTask : public CRunnableTask
|
|
{
|
|
public:
|
|
static HRESULT Create(IStream * pstrm, LPCWSTR pszFilename, UINT iItem, IShellImageDataFactory * pFactory, HWND hwnd, IRunnableTask ** pTask);
|
|
STDMETHOD(RunInitRT)();
|
|
|
|
inline BOOL IsEditable() { return (_fEditable); }
|
|
inline BOOL IsMultipage() { return (!_fAnimated && (_cImages > 1)); }
|
|
inline BOOL IsFirstPage() { return (0==_iCurrent); }
|
|
inline BOOL IsLastPage() { return (_iCurrent == _cImages-1); }
|
|
inline BOOL IsAnimated() { return (_fAnimated); }
|
|
inline BOOL IsExtendedPixelFmt () { return _fExtendedPF; }
|
|
|
|
LPCWSTR GetName() { return _pszFilename; }
|
|
BOOL GetSize(SIZE * psz);
|
|
BOOL GetResolution(ULONG * px, ULONG * py);
|
|
DWORD GetDelay();
|
|
BOOL PrevPage();
|
|
BOOL NextPage();
|
|
BOOL NextFrame();
|
|
BOOL SelectPage(ULONG nPage);
|
|
BOOL ChangePage(CAnnotationSet& pAnnotations);
|
|
HRESULT Print(BOOL fShowUI, LPWSTR szPrinterName, HWND hwndOwner);
|
|
HRESULT Rotate(DWORD dwAngle);
|
|
|
|
HRESULT Lock(IShellImageData ** ppSID);
|
|
HRESULT Unlock();
|
|
BOOL DisplayName(LPTSTR psz, UINT cch);
|
|
|
|
// general image data
|
|
ULONG _cImages;
|
|
ULONG _iCurrent;
|
|
BOOL _fAnimated;
|
|
BOOL _fEditable;
|
|
GUID _guidFormat;
|
|
UINT _iItem;
|
|
BOOL _fIsReadOnly;
|
|
HRESULT _hr;
|
|
|
|
// properties of page _iCurrent
|
|
PageInfo * _ppi;
|
|
|
|
private:
|
|
CDecodeTask();
|
|
~CDecodeTask();
|
|
HRESULT _Initialize(IStream * pstrm, LPCWSTR pszFilename, UINT iItem, IShellImageDataFactory * pFactory, HWND hwnd);
|
|
|
|
// initialization info
|
|
IStream *_pstrm;
|
|
LPWSTR _pszFilename;
|
|
IShellImageDataFactory * _pfactory;
|
|
HWND _hwndNotify;
|
|
|
|
// protected data
|
|
CRITICAL_SECTION _cs;
|
|
IShellImageData *_pSID;
|
|
SHFILEINFO _sfi;
|
|
BOOL _fExtendedPF;
|
|
};
|
|
|
|
class CDrawTask : public CRunnableTask, public IShellImageDataAbort
|
|
{
|
|
public:
|
|
// CRunnableTask
|
|
static HRESULT Create(CDecodeTask * pImageData, COLORREF clr, RECT & rcSrc, RECT & rcDest, HWND hwnd, ULONG uMsg, IRunnableTask ** ppTask);
|
|
STDMETHOD(RunInitRT)() { return S_OK; }
|
|
STDMETHOD(InternalResumeRT)();
|
|
|
|
// *** IUnknown ***
|
|
STDMETHODIMP QueryInterface(REFIID riid, LPVOID * ppvObj);
|
|
STDMETHODIMP_(ULONG) AddRef(void) { return CRunnableTask::AddRef(); }
|
|
STDMETHODIMP_(ULONG) Release(void) { return CRunnableTask::Release(); }
|
|
|
|
// *** IShellImageDataAbort ***
|
|
STDMETHOD(QueryAbort)();
|
|
|
|
private:
|
|
CDrawTask();
|
|
~CDrawTask();
|
|
HRESULT _Initialize(CDecodeTask * pImageData, COLORREF clr, RECT & rcSrc, RECT & rcDest, HWND hwnd, ULONG uMsg);
|
|
static BOOL _Abort(void *pvRef);
|
|
|
|
CDecodeTask * _pImgData;
|
|
DWORD _dwPage;
|
|
COLORREF _clrBkgnd;
|
|
RECT _rcSrc;
|
|
Buffer * _pBuf;
|
|
HWND _hwndNotify;
|
|
ULONG _uMsgNotify;
|
|
};
|
|
|
|
|
|
|