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RichEdit中插入Bitmap/GIF动画以及获取这些元素的信息的方法

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发表于 2006-12-11 22:33:14 | 显示全部楼层 |阅读模式
  利用RichEdit制作表情控件是,首先需要向RichEdit中插入图片(Bitmap)或GIF动画,然后需要从RichEdit中获取Bitmap/GIF的信息,以便向远端传送。
) ~0 W' M0 V7 {- Z  `8 j! [  本人对RichEdit了解很有限。下面是本人根据网上找到的资料,以通过看MSDN整理出来的实现在RichEdit中插入Bitmap与/GIF的方法,在这里共享给大家。RichEdit方面的高手不要取笑。
9 E# Y& C/ x+ s/ D+ d9 s+ D# {  1.在RichEdit中插入Bitmap/GIF的方法
) |" U4 L+ |, t! o  下面的代码是从网上找来的,我稍微作了一点修改(代码中红色部分是我改过的)。3 w! R6 |) f5 S3 ^8 k' a. q
ImageDataObect.h
$ M+ s. F2 V  H& p# W====================================================, U* ~+ P. n% I3 m% V6 P0 u
#ifndef IMAGE_DATA_OBJECT__H
/ [, O. x2 q& C# T2 Y' _: Z% G5 f  Y#define IMAGE_DATA_OBJECT__H
2 H$ ]8 y( p& ^+ w2 t; C5 y#include <Richedit.h>: y% r5 _' {7 s8 Y! f
#include <objidl.h.>
9 Z5 T" p- i; S9 o0 \( T/ W#include <Richole.h>
- b: a3 a! T! a( M7 Aclass CImageDataObject : IDataObject 6 U  K4 {: l" L/ W1 L
{: r/ ]4 u- ]5 {
public:( t. A' D$ Q# Y
    // This static fumction accepts those parameters:. R5 j# @6 R# K  W, a
    // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control
" |' u! G" e. K  a    // HBITMAP : the bitmap handle.
2 f# P+ _6 {; G+ B6 c9 ^    //DWORD dwUser - 位图相关的信7 F  q; n" d/ n$ p6 J* ?4 R4 X3 L
    // After calling the function, it inserts the image in the current % b2 e+ m% J7 Z- f2 G
    //    position of the RichEdit$ t. a* `4 K. B' v( e  g" M' Q
    //
& l9 A: I4 m, E( e    static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);$ j; S" Y4 A1 e( w+ y
    static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);
+ ^7 ^: r" J) `6 i9 x
private:5 {4 N; f  Y$ H2 K
    ULONG    m_ulRefCnt;% a9 [3 [& |- p" ?
    BOOL    m_bRelease;4 k/ F  \1 w# u) t3 Y) L" }( |& ]
    // The data being bassed to the richedit
2 \4 C1 A/ |- Y6 `4 ]; j' U' s5 l    //8 I& H9 V4 s4 l) ?
    STGMEDIUM m_stgmed;
( r" o1 m. g, G7 E, O* S    FORMATETC m_fromat;/ b! Y$ W) [% z. [, o( v1 @
public:  G) c# L/ e) ^. k
    CImageDataObject() : m_ulRefCnt(0)# w/ M+ T, d/ o( d5 i; G
    {
6 S9 t& R; H! ]" C- B        m_bRelease = FALSE;/ z' v2 q4 R5 ~2 g) ^7 I9 R" O
    }
/ ~+ b' G2 }4 N+ L- B6 w( G    ~CImageDataObject()3 \" b, [3 z4 {  K5 B0 a
    {
1 x0 d! F" }9 m        if (m_bRelease)
) @3 f" y) U( M3 @, P1 Q2 ~            ::ReleaseStgMedium(&m_stgmed);
; I5 k; w. [# U+ w    }
2 k7 M+ E1 m7 b- J0 t    // Methods of the IUnknown interface% g' g4 x9 `3 _5 s
    // 3 [& Z5 @* C( }) F' a4 f
    STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)% n9 {) _- Q8 ?4 Z% P& U5 D
    {% D8 H2 o8 X+ p+ M  d! \! J
        if (iid == IID_IUnknown || iid == IID_IDataObject)
( f& S  ^& W2 l8 K. e/ y2 K" J        {
5 l% F7 s4 o# |+ p            *ppvObject = this;5 C- h+ \, e  |$ Z$ q) X: J
            AddRef();& z5 C" T& ?8 w( c  l3 H+ N
            return S_OK;
  \& @$ a" K* r( w' @& j$ g; y" g        }; u( L9 a+ l1 K8 R
        else' L# Z8 P+ u0 ?" J. Z- }9 C3 Q
            return E_NOINTERFACE;
4 {; ^  ~/ F" z5 M    }
* t/ E" v: U- q$ Y3 H    STDMETHOD_(ULONG, AddRef)(void)
7 I1 }  M0 u' a4 m: w( ?    {
+ g9 d5 ~- Z  k+ K$ ~$ x        m_ulRefCnt++;
. m! M$ ]- \6 e: L9 s        return m_ulRefCnt;& d7 s# \# q! |' J. q
    }
: w6 e$ L  _9 r    STDMETHOD_(ULONG, Release)(void)' W; }5 G' }" z6 e( R" [
    {6 h# ~( d) H% I) X& v$ ?9 w
        if (--m_ulRefCnt == 0)1 u# R+ Z- u7 Y2 Y
        {" e  w% B& R1 E3 m& s; U
            delete this;
5 x% `! J( c; R7 ?" l$ q        }
0 ]$ p  c! W/ T) P" U) F; k& [$ t        return m_ulRefCnt;9 G% R' w* A# m1 f; s
    }, Y% W& e9 y9 }; u* u# Y
    // Methods of the IDataObject Interface. L" @7 Y. `0 D" }* t6 V
    //4 P% I8 n4 j4 K6 p/ N
    STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {
3 {! l; C# n  o6 D# h% R4 d6 Q        HANDLE hDst;
* e' {" |% f7 b3 ^        hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);
% I: A/ ?! g1 d8 L        if (hDst == NULL)0 n5 I, _% j# y' F5 O6 Y' [2 {
        {0 t( o$ m! g9 D# `- H0 v2 `- x; S
            return E_HANDLE;: u0 N9 G/ N3 }' C. _* m
        }
3 F4 n7 Q4 A3 ~. |9 I        pmedium->tymed = TYMED_GDI;
& X/ H1 Y$ w: v5 h* C) h        pmedium->hBitmap = (HBITMAP)hDst;
+ x% |) {4 i+ U8 h' z/ z3 Y3 _0 I        pmedium->pUnkForRelease = NULL;
  p! R# U9 s- ]        return S_OK;
# e/ b/ w- S. S  Y    }- u6 Y: F6 M3 D, @& d' c8 t
   
6 z8 D3 {2 s6 D4 z    STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM*  pmedium ) 1 ^7 l  ?8 |1 f/ |' K: G  y' b5 m
    {1 N& _' v$ d* x8 L) W+ Q
        return E_NOTIMPL;
. h, K5 J# N2 D    }# J- K: B4 H- x7 W9 f
   
7 n, L3 n* Q# y' Z* d& k$ X    STDMETHOD(QueryGetData)(FORMATETC*  pformatetc )
* u: S/ j0 q. w1 E    {8 L! @, N! U% n" W+ i+ `
        return E_NOTIMPL;! \7 v; m" {. w# i& i1 W0 h- v2 q
    }
: c8 j/ J- `- n4 h7 ^  b$ Z* c    & m0 U  I) x" g
    STDMETHOD(GetCanonicalFormatEtc)(FORMATETC*  pformatectIn ,FORMATETC* pformatetcOut )     ) V7 u2 X0 h6 t' E/ D  o% y
    {0 j0 c- `8 R9 x2 k
        return E_NOTIMPL;5 H- M0 q1 M/ c+ f* y1 G0 d
    }
- N" K* m, g: q6 X0 `5 l, }4 l1 k, Z    - Z+ q) B5 C  k; A$ L
    STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM*  pmedium , BOOL  fRelease )   ], }! @: i, j
    {% t8 i8 y  x9 X: d
        m_fromat = *pformatetc;5 T8 }( n; i8 Y# {# N" z0 O- G6 {
        m_stgmed = *pmedium;+ B' X; [7 ?+ J4 ?
        return S_OK;
/ _; V( q8 d* x* S) w: P  F    }
$ n+ a  L& Q9 ]0 i( b   
: f- b/ Y9 V$ T$ N: T    STDMETHOD(EnumFormatEtc)(DWORD  dwDirection , IEnumFORMATETC**  ppenumFormatEtc )   C2 O5 n8 f% e3 v* T3 _6 [
    {
/ T* w9 X% T! o9 M# |1 H. C9 i        return E_NOTIMPL;
" r& p3 ^; S8 z" X5 }    }' J. P) C* t6 K# x  F
    8 m  a7 I$ h/ |: O, y5 q: N
    STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,! o; @6 A- ^2 T1 E8 |6 a) G: f1 b1 Y
        DWORD *pdwConnection)
) p, \; L; p6 ^    {: v# r& p0 h! d/ }7 o  B% z
        return E_NOTIMPL;
( P0 m8 J+ y4 \    }1 I  s: H( n& s6 w8 W) D, n4 x
    / u; r) f8 x  R1 E
    STDMETHOD(DUnadvise)(DWORD dwConnection)
! X1 g" s$ T" b( ]4 H    {" y( \  _8 [% K: u) D
        return E_NOTIMPL;2 v9 b8 @$ @, I2 G4 p+ o$ s
    }
6 b8 }5 \( n$ |  g   
; X5 X+ X0 Z: `" I/ U( p    STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise)
1 C/ r% u' J6 m2 K9 R    {! [8 u2 ~, E8 d" y# D
        return E_NOTIMPL;
2 F8 O9 ?: s) ?4 H    }. O) _7 J; d3 v  x
    // Some Other helper functions
: P6 {1 {0 T6 }  L6 f; D    //1 o7 [4 N' J, b7 {. ?3 B
    void SetBitmap(HBITMAP hBitmap);
2 p/ s% `( L! q  A( A    IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);
" S" ~* [3 E) P: r};
) b, a6 e. g4 Z9 O5 U0 P#endif // IMAGE_DATA_OBJECT__H) \  {7 s8 e* u: T- ?
===========================8 E( n/ o/ U, _2 F) X# U* r
ImageDataObject.cpp/ U9 \: c# O  {: G
#include "stdafx.h"  //我很不喜欢这个头文件,这个程序只能在windows下运行,就留着吧
  V  G. D8 x/ n+ r7 l/ C- H9 [3 I" h
#include "ImageDataObject.h"
$ s9 |& ]/ f6 r6 A4 k2 _#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search
8 b8 U: F9 s$ m" Vstatic CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };

1 V7 d( B; P% w$ k! S, yvoid CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser)+ s$ x8 v% W* v% S! s- u6 L
{
( G0 y6 @$ U9 R! E8 d; b    SCODE sc;- o% j  U. ?$ ~% ~
    // Get the image data object
' M, x; o9 z, R- I1 B$ B! ?    //$ z. b: T5 Z- g- P
    CImageDataObject *pods = new CImageDataObject;5 O! I& R2 C: Q6 c9 l4 j
    LPDATAOBJECT lpDataObject;
# @3 s0 p0 U7 d4 A2 `8 x8 C! g' Q9 }    pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);% ^) t, I2 e5 F. h5 V
    pods->SetBitmap(hBitmap);
- B9 U3 h" I& p7 M: @1 H    // Get the RichEdit container site$ b, I/ W. a( ?+ E9 V% K. D
    //, M7 C+ R1 _' b4 E1 C0 i, {) X* S6 O
    IOleClientSite *pOleClientSite;   
) j$ g0 G* B- t   
) K0 E3 F; r8 B) a. e( P) y    pRichEditOle->GetClientSite(&pOleClientSite);
( r5 p% ~2 S) s' }    // Initialize a Storage Object
! X, {7 ]* c* M. Y! L$ q    //6 J1 q2 H) x7 h+ K) w6 p: e; c+ J
    IStorage *pStorage;    / X- v1 b* e' g/ ]
    LPLOCKBYTES lpLockBytes = NULL;' _& _. {8 F6 |0 t* S( _" S' ?
    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);) {# w# l  b# q0 H$ {2 c0 f
    2 H$ E0 h- a: b3 \* C; J
    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,2 B9 f8 S3 T2 B4 k/ a" D+ c
        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);. N: H1 O" W$ ?+ q

0 ~$ @5 I9 C* P% h+ E& U    // The final ole object which will be inserted in the richedit control; C' @; E6 w7 _7 ~
    //
! z/ r# k0 U3 p! i+ L. ~5 I5 A. Q    IOleObject *pOleObject;
9 v* i7 Y* Z2 I' h4 ~: M$ o    pOleObject = pods->GetOleObject(pOleClientSite, pStorage);
5 Z7 u6 m! z; l  D2 B    // all items are "contained" -- this makes our reference to this object; A$ |  C$ [- h2 v2 v# E
    //  weak -- which is needed for links to embedding silent update.6 P0 Y: {9 J2 O9 r8 E- o
    OleSetContainedObject(pOleObject, TRUE);
8 x# I) |$ m: U5 [! l. ?" J$ ~" ?    // Now Add the object to the RichEdit ( @: {. R# `* C9 r
    //
# Z" e& p( ]. T. Z6 @0 N7 T2 M    REOBJECT reobject;
. \9 ?% `; |, p" Z5 a! H    ZeroMemory(&reobject, sizeof(REOBJECT));4 v# N7 l' l, h; y: N0 ^' ?
    reobject.cbStruct = sizeof(REOBJECT);
" |( R! \/ q; I9 |+ \   
1 r( M2 z4 o8 d1 G7 ?- l6 H) x    CLSID clsid;4 J% L+ ~+ N9 N8 ]! {2 n
    sc = pOleObject->GetUserClassID(&clsid);' n2 o1 b8 s; B5 u- B
% [+ E+ N/ p3 s  V; n
    reobject.clsid = clsid;
0 j4 G2 J$ m0 }; ]1 i  p    reobject.cp = REO_CP_SELECTION;* a+ S/ o& N* m0 `4 Z5 V; E8 a0 e* D/ ?
    reobject.dvaspect = DVASPECT_CONTENT;
( q; g7 Z+ W& N! Z    reobject.poleobj = pOleObject;
# e6 Q/ l# n, J: I    reobject.polesite = pOleClientSite;& r$ A* e/ y: m3 u1 t6 w( [2 d
    reobject.pstg = pStorage;: L$ ]* w9 C; W4 M) {7 m5 x
reobject.dwUser = dwUser;6 E, K7 ~5 u# j. u& ~
    // Insert the bitmap at the current location in the richedit control- e$ x$ y4 j6 J
    //9 }- ?& G+ Z3 F) J3 W6 ~2 z/ S
    pRichEditOle->InsertObject(&reobject);' B6 \6 e) A2 n( N; W
    // Release all unnecessary interfaces: H% C9 D: g  Y0 ]6 W. B* G
    //
3 B" z. |; D. k% `" s/ m    pOleObject->Release();
3 ]! z  Y# i9 e7 ^9 Y' }" q    pOleClientSite->Release();
  {  i$ Y, M+ x) |$ r( |    pStorage->Release();
4 E" U  L, P) J3 Y. E' J    lpDataObject->Release();
, ]/ r" \% U, T7 B5 t) T& ^}; c5 X( K9 Z* H. G0 a
void CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)4 N" v" [* |) g* a2 f5 n8 F- [( G
{
8 l8 G- x+ {$ }( h# q: L! h' Y2 oLPOLEOBJECT  lpObject=NULL;
3 ~9 T$ U' h9 ~4 _* \LPSTORAGE       lpStorage=NULL;
2 `, i  p7 }+ A$ T/ k  f  ^LPOLECLIENTSITE lpClientSite=NULL;) G! @8 ^9 s; ^1 R. f% j9 O
LPLOCKBYTES  lpLockBytes = NULL;

+ e% \  s  ]' o  JHRESULT hr=S_OK;( P  V) B$ S' I. C+ a3 D8 U, k2 O
CLSID clsid=CLSID_NULL;
: E# r) j% i& }6 Tdo{3 Z# m3 W# H& j9 r' R
  hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);1 y6 N1 T7 X9 E" F! q) i% Y, u& c
  if (hr != S_OK || lpLockBytes==NULL)
$ d* m7 d9 e1 ?6 D* _8 d0 d5 m   break;

  x$ m* m( ?& a! k/ o+ y  hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);
. g" R/ y4 a2 W8 V5 u! c  if (hr!= S_OK||lpStorage==NULL) ! ~- \8 ~& j5 O  c# b
   break;

# q5 y0 |1 D& b  hr=lpRichEditOle->GetClientSite(&lpClientSite);; |& S! F+ ^/ P
  if (hr!= S_OK||lpClientSite==NULL) 7 d5 D( `: Y2 L; f
   break;

" \, s" f' R# A  try$ }5 J. }. t, X2 R* f
  {
; |1 W/ f+ ^- f0 i4 t& k5 W' I   HRESULT hr;9 H8 g' z; Z, ?7 _
   IGifAnimator *pGif  = NULL;% O" |% V- J4 |, r5 e$ s, @
   hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);
0 N7 S) W& H% L: n; U6 Q   if(FAILED(hr) || pGif == NULL)
+ o8 n1 T3 X6 F  y7 r    break ;
& r, l0 I4 D( c3 ~4 H$ p8 F; C  \
   _bstr_t bstrPath(gif_file);
. b$ R& {7 n( K   pGif->LoadFromFile(bstrPath);0 x' v% |( |* p5 K, {& J
   if(FAILED(hr))
9 M& e( `) R+ u$ b  {( B- o. l   {8 k4 d; [8 I3 s
    pGif->Release();4 q0 P# X% K6 F4 A: ?
    break ;
$ ]  G. X' J6 m   }
! y/ m7 g. v) k$ J; ~
   hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);( {5 `8 q) Y/ Z
   if( FAILED(hr)||lpObject==NULL) / w* j. y  ?7 k% E
   {5 u; D# ^1 k$ z" A
    pGif->Release();$ C4 S3 \$ X& \, G# }7 r# q
    break ;3 q' Q4 ]$ A, ]1 X1 ]! h8 H6 \
   }: v1 d8 b" c8 p9 ]
   8 }% H: E# j4 `* P% e
   hr=OleSetContainedObject(lpObject, TRUE);' ~& H; r$ [% B5 Y& j. z: v/ Q
   if( FAILED(hr) )
! ~* J* m6 t: Y" d3 Q' L   {" r% a  E/ Z6 l# s
    pGif->Release();  o* h- p% r" `5 i. W2 ?3 j5 V" T  C
    break ;
" _- |* C8 G, s   }# |$ N. m1 u: D/ L& Z
   hr=lpObject->GetUserClassID(&clsid);
5 n! a' P: M# G5 f% H6 V   if( FAILED(hr) )
4 w" E: J6 ?' \0 t   {5 O% U# F/ M1 Y6 d
    pGif->Release();, X. y+ s+ z! A& B# C! {2 a
    break ;$ |+ K9 {, ^' R2 O5 h8 y0 H1 p
   }

; W& Q4 {/ C/ @   REOBJECT reobject;* ~) B, {4 y; R; e! H( `- e& H! c
   ZeroMemory(&reobject, sizeof(REOBJECT));5 J. B7 z+ z; u. T! `
   reobject.cbStruct = sizeof(REOBJECT); . [( T  R) X. w2 r- h( q( f$ G
   reobject.clsid = clsid;
& L: D  E7 ~% n- J   reobject.cp = REO_CP_SELECTION;' V: }/ k7 A* ^& ^  ~* q- B
   reobject.dvaspect = DVASPECT_CONTENT;5 O) x  |- m( C5 Q2 d* o
   reobject.dwFlags = REO_BELOWBASELINE;
( b2 O1 \6 `# D  Q  ]& Q, l% ~   reobject.dwUser = dwUser;
7 O" j7 ~& P5 m# z& }   reobject.poleobj = lpObject;8 |, J' z6 |; }, C
   reobject.polesite = lpClientSite;6 U' |  e: P5 F* ^- q, b
   reobject.pstg = lpStorage;
9 \0 ~8 |; l. I. D2 R3 i5 m. Z   SIZEL sizel={0,0};
1 m% G7 A- X6 f$ m   reobject.sizel = sizel;, N) K" G' v8 g* ]) y' C% U
   hr=lpRichEditOle->InsertObject(&reobject);/ C9 E: V# h: L" H) X; ^
  }
. o3 n- s, g7 l2 F% S3 n/ N- K  catch( _com_error &e )% d7 X$ J1 V% A  b" b* G) N; a
  {
& C6 N9 d- B/ P9 d) M+ t+ q  }
. @- }1 _/ i; Q: M+ l$ H
}while(FALSE);
) B9 Y% E& V1 Y" B9 P  \- Xif(lpLockBytes) lpObject->Release();
4 C) b  U, k" z2 U6 I- A! ?* xif(lpLockBytes) lpLockBytes->Release();
2 ^, I3 P& R) ^# i- Uif(lpClientSite) lpClientSite->Release();
1 W( H# g) c- m) |  \8 [if(lpRichEditOle) lpRichEditOle->Release();
  R  l  w9 W/ s' H- y}
6 `' c1 C& A( W# N' W. r
2 X& {7 E, S, r# r  O) E
//////////////////////////////////////////////////////////////////////
7 K% M9 q+ p+ S1 v) @// Construction/Destruction
5 I# u( ]/ z. t//////////////////////////////////////////////////////////////////////
7 W0 l# o* U+ ?3 Yvoid CImageDataObject::SetBitmap(HBITMAP hBitmap)
% n' Z$ {, X7 ~  O! ^{
8 a' i8 k" v; Y8 ~1 E( n# |# P9 Z3 x- L. w. U/ c
    STGMEDIUM stgm;
6 C$ K& [8 \: j0 m5 T9 A2 d1 A8 a    stgm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle        8 X* e( X5 S0 {
    stgm.hBitmap = hBitmap;
6 O- c. s% N/ k    stgm.pUnkForRelease = NULL;                // Use ReleaseStgMedium$ W( \) D: d+ r. m! d; I. c5 h
    FORMATETC fm;
" m4 m, c) R" _! o& H  f    fm.cfFormat = CF_BITMAP;                // Clipboard format = CF_BITMAP& Q- O, A( s& `1 H  P% ]
    fm.ptd = NULL;                            // Target Device = Screen2 j7 t2 Z0 b; a4 P/ r) P' l& a
    fm.dwAspect = DVASPECT_CONTENT;            // Level of detail = Full content
; ^) ~6 a  W. M; Y4 e    fm.lindex = -1;                            // Index = Not applicaple, c* A% d9 V; U1 F8 Z) Q
    fm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle$ t7 j' [( c* \( t; L
    this->SetData(&fm, &stgm, TRUE);        
1 S4 k( B# F% Q3 H( q+ j( S}
1 `, z6 C- I- [6 P$ OIOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)4 c- V8 P( O0 u# _
{
, a/ j. h: l, G( f9 J. v! A! T
7 [6 Y+ P6 k# g    SCODE sc;
4 `- |# [5 B6 \! ]4 K2 L! c8 n' H    IOleObject *pOleObject;
! m, p. f) h% W; w    sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT,
, h) U0 Q( c5 \2 t0 L( k" G! Z            &m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);7 r9 u% U' h  O' ^' S
    return pOleObject;
7 i& e" D4 f, y4 d}- T: w4 e2 [2 H
/////////////
7 E* k6 c/ }4 f% [$ W- Z3 ?/ ~  OK,下面是想RichEdit中插入bitmap的范例0 j) D" T1 [1 ]
  CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo); ' {+ w* f9 |; c; |
  上面是m_sendRichEdit是一个RichEdit控件(这段代码是从一个WTL项目中提取出来的)。* I* s- p8 y! {1 k" m1 u+ Z
  注意:上面的dwBitmapInfo就是应用程序设置的与插入RichEdit中的Bitmap相关的信息。2 R/ e- y$ f* V( d$ j2 w( }( M5 J% y
  2. 从EditRich中提取位图信息
& z& L' u2 F4 {+ f0 L) [) t) c     下面是范例代码,其中原来就不多说了,看代码吧。
- B8 J, C6 G& I$ }7 `+ o* N    //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件0 @6 O+ \/ W2 v0 S) `2 @8 S$ v8 R4 v
    int c = m_sendRichEdit.GetOleInterface()->GetObjectCount();     6 O. e9 U  G+ @; H( `' C3 g: ^4 A
   for(int i = 0 ; i < c ; i++) //遍历位图
3 m2 g- I3 A6 n+ P  o   {  V# M* H0 {6 u4 x6 f
       REOBJECT object;  //位图信息存在这里
$ V+ x, k' u) T: E0 u     memset(&object,0,sizeof(REOBJECT));
: v- A: s( G0 R: h$ l  t     object.cbStruct = sizeof(REOBJECT);" S/ F3 d9 X+ e- w
     m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);8 a& K; V. J+ Q
     int pos = object.cp ; //位图的位置信息: c! ~8 q/ N2 ^* Y! ^
     DWORD dwUSer  =object.dwUSer ; //位图的信息,之前应用程序设置的,应有程序当然知道什么意思了
- `+ h) P* l. U  }
/ R9 Y# u3 f5 l: F* l7 {/////////////////////////////////////////////////////
7 K- {: E/ V7 s3 Y% ?# g% n& BOVER  j4 u  t+ _/ l7 U8 a# l4 q
////////////////////////////////////////////////////
  d4 a. \4 u' s+ L5 b) z& x& M) C
2 W' H4 d) g$ ]
+ b* f0 J. ~/ r; jTrackback: http://tb.blog.csdn.net/TrackBack.aspx?PostId=391030
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