mingw-w64-headers/include/thumbcache.idl

/*
 * Copyright 2019 Alistair Leslie-Hughes
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "oaidl.idl";
import "shtypes.idl";
import "shobjidl.idl";

typedef [v1_enum] enum WTS_FLAGS
{
    WTS_NONE                 = 0x00000000,
    WTS_EXTRACT              = 0x00000000,
    WTS_INCACHEONLY          = 0x00000001,
    WTS_FASTEXTRACT          = 0x00000002,
    WTS_FORCEEXTRACTION      = 0x00000004,
    WTS_SLOWRECLAIM          = 0x00000008,
    WTS_EXTRACTDONOTCACHE    = 0x00000020,
    WTS_SCALETOREQUESTEDSIZE = 0x00000040,
    WTS_SKIPFASTEXTRACT      = 0x00000080,
    WTS_EXTRACTINPROC        = 0x00000100,
    WTS_CROPTOSQUARE         = 0x00000200,
    WTS_INSTANCESURROGATE    = 0x00000400,
    WTS_REQUIRESURROGATE     = 0x00000800,
    WTS_APPSTYLE             = 0x00002000,
    WTS_WIDETHUMBNAILS       = 0x00004000,
    WTS_IDEALCACHESIZEONLY   = 0x00008000,
    WTS_SCALEUP              = 0x00010000,
} WTS_FLAGS;

cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(WTS_FLAGS)")

typedef [v1_enum] enum WTS_CACHEFLAGS
{
    WTS_DEFAULT     = 0x00000000,
    WTS_LOWQUALITY  = 0x00000001,
    WTS_CACHED      = 0x00000002,
} WTS_CACHEFLAGS;

cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(WTS_CACHEFLAGS)")

typedef [v1_enum] enum WTS_CONTEXTFLAGS
{
    WTSCF_DEFAULT       = 0x00000000,
    WTSCF_APPSTYLE      = 0x00000001,
    WTSCF_SQUARE        = 0x00000002,
    WTSCF_WIDE          = 0x00000004,
    WTSCF_FAST          = 0x00000008,
} WTS_CONTEXTFLAGS;

cpp_quote("DEFINE_ENUM_FLAG_OPERATORS(WTS_CONTEXTFLAGS)")

typedef [v1_enum] enum WTS_ALPHATYPE
{
    WTSAT_UNKNOWN = 0,
    WTSAT_RGB     = 1,
    WTSAT_ARGB    = 2
} WTS_ALPHATYPE;

typedef struct WTS_THUMBNAILID
{
    BYTE rgbKey[16];
} WTS_THUMBNAILID;


cpp_quote("#define WTS_E_FAILEDEXTRACTION MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb200)")
cpp_quote("#define WTS_E_EXTRACTIONTIMEDOUT MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb201)")
cpp_quote("#define WTS_E_SURROGATEUNAVAILABLE MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb202)")
cpp_quote("#define WTS_E_FASTEXTRACTIONNOTSUPPORTED MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb203)")
cpp_quote("#define WTS_E_DATAFILEUNAVAILABLE MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb204)")
cpp_quote("#define WTS_E_EXTRACTIONPENDING MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb205)")
cpp_quote("#define WTS_E_EXTRACTIONBLOCKED MAKE_HRESULT(SEVERITY_ERROR, FACILITY_ITF, 0xb206)")

[
    uuid(091162a4-bc96-411f-aae8-c5122cd03363),
    pointer_default(unique),
]
interface ISharedBitmap : IUnknown
{
    HRESULT GetSharedBitmap([out] HBITMAP *phbm);
    HRESULT GetSize([out] SIZE *pSize);
    HRESULT GetFormat([out] WTS_ALPHATYPE *pat);
    HRESULT InitializeBitmap([in] HBITMAP hbm, [in] WTS_ALPHATYPE wtsAT);
    HRESULT Detach([out] HBITMAP *phbm);
}

[
    object,
    uuid(f676c15d-596a-4ce2-8234-33996f445db1),
]
interface IThumbnailCache : IUnknown
{
    [local]
    HRESULT GetThumbnail([in] IShellItem *pShellItem,
                         [in] UINT cxyRequestedThumbSize,
                         [in] WTS_FLAGS flags,
                         [out, unique] ISharedBitmap **ppvThumb,
                         [out, unique] WTS_CACHEFLAGS *pOutFlags,
                         [out, unique] WTS_THUMBNAILID *pThumbnailID);

    [call_as(GetThumbnail)]
    HRESULT RemoteGetThumbnail([in] IShellItem *pShellItem,
                               [in] UINT cxyRequestedThumbSize,
                               [in] WTS_FLAGS flags,
                               [out] ISharedBitmap **ppvThumb,
                               [out] WTS_CACHEFLAGS *pOutFlags,
                               [out] WTS_THUMBNAILID *pThumbnailID);

    [local]
    HRESULT GetThumbnailByID([in] WTS_THUMBNAILID thumbnailID,
                             [in] UINT cxyRequestedThumbSize,
                             [out, unique] ISharedBitmap **ppvThumb,
                             [out, unique] WTS_CACHEFLAGS *pOutFlags);

    [call_as(GetThumbnailByID)]
    HRESULT RemoteGetThumbnailByID([in] WTS_THUMBNAILID thumbnailID,
                                   [in] UINT cxyRequestedThumbSize,
                                   [out] ISharedBitmap **ppvThumb,
                                   [out] WTS_CACHEFLAGS *pOutFlags);
}

[
    uuid(e357fccd-a995-4576-b01f-234630154e96),
]
interface IThumbnailProvider : IUnknown
{
    HRESULT GetThumbnail([in] UINT cx,
                         [out] HBITMAP *phbmp,
                         [out] WTS_ALPHATYPE *pdwAlpha);
}

[
    uuid(f4376f00-bef5-4d45-80f3-1e023bbf1209),
]
interface IThumbnailSettings : IUnknown
{
    HRESULT SetContext([in] WTS_CONTEXTFLAGS dwContext);
}

[
    uuid(0f03f8fe-2b26-46f0-965a-212aa8d66b76),
    object,
    pointer_default(unique)
]
interface IThumbnailCachePrimer : IUnknown
{
    HRESULT PageInThumbnail([in] IShellItem *psi,
                            [in] WTS_FLAGS wtsFlags,
                            [in] UINT cxyRequestedThumbSize);
}

[
    uuid(4c857096-0514-4d4d-abd5-dfaaa3c326d2)
]
library ThumbCacheLib
{
    [
        uuid(50ef4544-ac9f-4a8e-b21b-8a26180db13f)
    ]
    coclass LocalThumbnailCache
    {
        interface IThumbnailCache;
    }

    [
        uuid(4db26476-6787-4046-b836-e8412a9e8a27)
    ]
    coclass SharedBitmap
    {
        interface ISharedBitmap;
    }
}