224 lines
6.5 KiB
Plaintext
224 lines
6.5 KiB
Plaintext
import "oleidl.idl";
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import "shobjidl.idl";
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import "propidl.idl";
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interface IShellImageDataFactory;
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interface IShellImageData;
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interface IShellImageDataAbort;
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interface IHWEventHandler;
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// external definitions
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cpp_quote("#if !defined(_GDIPLUSPIXELFORMATS_H)")
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typedef DWORD PixelFormat;
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cpp_quote("#endif")
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cpp_quote("#if !defined(_GDIPLUSENUMS_H)")
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typedef DWORD InterpolationMode;
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cpp_quote("#endif")
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cpp_quote("#if !defined(_GDIPLUSHEADERS_H)")
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typedef BYTE EncoderParameters;
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typedef BYTE Image;
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cpp_quote("#endif")
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// property bag strings for SetEncoderParams
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cpp_quote("#define SHIMGKEY_QUALITY L\"Compression\"")
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cpp_quote("#define SHIMGKEY_RAWFORMAT L\"RawDataFormat\"")
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cpp_quote("")
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// Decode() flags (bit fields)
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cpp_quote("#define SHIMGDEC_DEFAULT 0x00000000") // creates a full Image
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cpp_quote("#define SHIMGDEC_THUMBNAIL 0x00000001") // decodes only thumbnail image
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cpp_quote("#define SHIMGDEC_LOADFULL 0x00000002") // load the whole file into memory
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// Some custom error codes
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cpp_quote("#define E_NOTVALIDFORANIMATEDIMAGE MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0x01)") // operation is not valid for animated images, for example IShellImageData::Rotate will fail for animated images with this code
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[
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helpstring("IShellImageDataFactory"),
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uuid(9be8ed5c-edab-4d75-90f3-bd5bdbb21c82),
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object,
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pointer_default(unique)
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]
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interface IShellImageDataFactory : IUnknown
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{
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HRESULT CreateIShellImageData(
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[out] IShellImageData **ppshimg);
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// Easy functions for loading and saving from a file or stream
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HRESULT CreateImageFromFile(
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[in] LPCWSTR pszPath,
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[out] IShellImageData **ppshimg);
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HRESULT CreateImageFromStream(
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[in] IStream *pStream,
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[out] IShellImageData **ppshimg);
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// looks up the extension in the registry, gets the content type, and looks up the appropriate IMGFMT_*
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// value.
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HRESULT GetDataFormatFromPath(
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[in] LPCWSTR pszPath,
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[out] GUID *pDataFormat);
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}
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[
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helpstring("IShellImageData"),
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uuid(bfdeec12-8040-4403-a5ea-9e07dafcf530),
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object,
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pointer_default(unique)
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]
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interface IShellImageData : IUnknown
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{
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// Start the decode process setting state (for thumbnails etc)
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HRESULT Decode(
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[in] DWORD dwFlags,
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[in] ULONG cxDesired,
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[in] ULONG cyDesired);
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// Draw the current image to the screen
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HRESULT Draw(
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[in] HDC hdc,
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[in] LPRECT prcDest,
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[in] LPRECT prcSrc);
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// Multipage support
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// switches to next frame if it's available
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// starts decoder and returns E_PENDING if next frame is not available yet
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// will loop or return E_NOMOREDATA based on the image contents
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HRESULT NextFrame();
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// dumps any animation data, switchs to the next page, and resets the animation data for that page.
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// Returns E_NOMOREDATA if there is no next page.
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HRESULT NextPage();
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HRESULT PrevPage();
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//
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// Query functions. They return S_OK if condition is true, S_FALSE if not. Use should be
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// self-explanatory from function name...
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//
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HRESULT IsTransparent();
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HRESULT IsAnimated();
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HRESULT IsVector();
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HRESULT IsMultipage();
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HRESULT IsEditable();
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HRESULT IsPrintable();
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HRESULT IsDecoded();
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// step through the pages in the image
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HRESULT GetCurrentPage(
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[out] ULONG *pnPage);
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HRESULT GetPageCount(
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[out] ULONG *pcPages);
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HRESULT SelectPage(
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[in] ULONG iPage);
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// Fetch information on image
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HRESULT GetSize(
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[out] SIZE *pSize);
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HRESULT GetRawDataFormat(
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[out] GUID *pDataFormat);
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HRESULT GetPixelFormat(
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[out] PixelFormat *pFormat);
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HRESULT GetDelay(
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[out] DWORD *pdwDelay); // delay can be different for every frame
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// dwMode is STGM_* flags
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HRESULT GetProperties(
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[in] DWORD dwMode,
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[out] IPropertySetStorage **ppPropSet);
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//
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// Rotate with specified angle in 90 degree increments
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//
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HRESULT Rotate(
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[in] DWORD dwAngle);
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// Scale with aspect correction when one of the scale factors is 0.
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// Scale to specified dimensions if both values are non-zero
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// examples: Scale(300, 0) sets X to 300 and Y to the correct scaled value based on X
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// Scale(0, 200) sets Y to 200 and X to the correct scaled value based on Y
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// Scale(150, 75) sets X to 150 and Y to 75
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HRESULT Scale(
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[in] ULONG cx,
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[in] ULONG cy,
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[in] InterpolationMode hints);
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HRESULT DiscardEdit();
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//
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// KENSY
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// Instead of Commit we will depend on people to do IPersistFile::Save, IPersistStream::Save,
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// etc. Need to give them control over output format and quality among other things...
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//
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HRESULT SetEncoderParams(
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[in] IPropertyBag *pbagEnc);
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HRESULT DisplayName(
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[in, out] LPWSTR wszName,
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[in] UINT cch);
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HRESULT GetResolution( // DPI
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[out] ULONG *puResolutionX,
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[out] ULONG *puResolutionY);
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HRESULT GetEncoderParams( // possible values for encoder params, given a format
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[in] GUID *pguidFmt,
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[out] EncoderParameters **ppEncParams);
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// Set a callback abort object; optionally returns previous
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HRESULT RegisterAbort(
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[in] IShellImageDataAbort *pAbort,
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[out,optional] IShellImageDataAbort **ppAbortPrev);
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HRESULT CloneFrame( // return a clone of the GDI+ Image being worked on
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[out] Image **ppImg);
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HRESULT ReplaceFrame( // replace the current frame with a new Image
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[in] Image *pImg);
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}
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[
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helpstring("IShellImageDataAbort"),
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uuid(53fb8e58-50c0-4003-b4aa-0c8df28e7f3a),
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object,
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pointer_default(unique)
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]
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interface IShellImageDataAbort : IUnknown
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{
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HRESULT QueryAbort(); // S_OK = continue; S_FALSE = abort
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}
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[
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uuid(0b8aff06-8df0-4f13-8e25-25b2319c436a), // LIBID_ShellImageData
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helpstring("Microsoft Shell Image library"),
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lcid(0x0000),
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version(1.0)
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]
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library ShellImageData
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{
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// CLSID_ShellImageDataFactory
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[ uuid(66e4e4fb-f385-4dd0-8d74-a2efd1bc6178) ] coclass ShellImageDataFactory { [default] interface IShellImageDataFactory; }
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// CLSID_AutoplayForSlideShow
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[ uuid(00E7B358-F65B-4dcf-83DF-CD026B94BFD4) ] coclass AutoplayForSlideShow { [default] interface IHWEventHandler; }
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};
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