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/*
* astyle --force-indent=tab=4 --brackets=linux --indent-switches
* --pad=oper --one-line=keep-blocks --unpad=paren
*
* Miranda NG: the free IM client for Microsoft* Windows*
*
* Copyright 2000-2009 Miranda ICQ/IM project,
* all portions of this codebase are copyrighted to the people
* listed in contributors.txt.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* you should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* part of tabSRMM messaging plugin for Miranda.
*
* *
* $Id: ImageDataObject.cpp 11611 2010-04-22 12:36:29Z silvercircle $
*
* This inserts a bitmap into a rich edit control using OLE
* code partially taken from public example on the internet, source unknown.
*
* originally part of the smileyadd plugin for Miranda NG
*
*/
#include "commonheaders.h"
#include "../include/ImageDataObject.h"
extern void ReleaseRichEditOle(IRichEditOle *ole)
{
ole->Release();
}
extern void ImageDataInsertBitmap(IRichEditOle *ole, HBITMAP hBm)
{
CImageDataObject::InsertBitmap(ole, hBm);
}
int CacheIconToBMP(struct TLogIcon *theIcon, HICON hIcon, COLORREF backgroundColor, int sizeX, int sizeY)
{
bool succeeded = false;
int IconSizeX = sizeX;
int IconSizeY = sizeY;
if ((IconSizeX == 0) || (IconSizeY == 0)) {
Utils::getIconSize(hIcon, IconSizeX, IconSizeY);
if (sizeX != 0)
IconSizeX = sizeX;
if (sizeY != 0)
IconSizeY = sizeY;
}
RECT rc;
BITMAPINFOHEADER bih = {0};
int widthBytes;
theIcon->hBkgBrush = CreateSolidBrush(backgroundColor);
bih.biSize = sizeof(bih);
bih.biBitCount = 24;
bih.biPlanes = 1;
bih.biCompression = BI_RGB;
bih.biHeight = IconSizeY;
bih.biWidth = IconSizeX;
widthBytes = ((bih.biWidth * bih.biBitCount + 31) >> 5) * 4;
rc.top = rc.left = 0;
rc.right = bih.biWidth;
rc.bottom = bih.biHeight;
theIcon->hdc = GetDC(0);
theIcon->hBmp = CreateCompatibleBitmap(theIcon->hdc, bih.biWidth, bih.biHeight);
theIcon->hdcMem = CreateCompatibleDC(theIcon->hdc);
theIcon->hoBmp = (HBITMAP)SelectObject(theIcon->hdcMem, theIcon->hBmp);
FillRect(theIcon->hdcMem, &rc, theIcon->hBkgBrush);
DrawIconEx(theIcon->hdcMem, 0, 0, hIcon, bih.biWidth, bih.biHeight, 0, NULL, DI_NORMAL);
SelectObject(theIcon->hdcMem, theIcon->hoBmp);
return TRUE;
}
void DeleteCachedIcon(struct TLogIcon *theIcon)
{
DeleteDC(theIcon->hdcMem);
DeleteObject(theIcon->hBmp);
ReleaseDC(NULL, theIcon->hdc);
DeleteObject(theIcon->hBkgBrush);
}
// returns true on success, false on failure
bool CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap)
{
SCODE sc;
BITMAP bminfo;
// Get the image data object
//
CImageDataObject *pods = new CImageDataObject;
LPDATAOBJECT lpDataObject;
pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);
GetObject(hBitmap, sizeof(bminfo), &bminfo);
pods->SetBitmap(hBitmap);
// Get the RichEdit container site
//
IOleClientSite *pOleClientSite;
pRichEditOle->GetClientSite(&pOleClientSite);
// Initialize a Storage Object
//
IStorage *pStorage;
LPLOCKBYTES lpLockBytes = NULL;
sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
if (sc != S_OK) {
pOleClientSite->Release();
return false;
}
sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
STGM_SHARE_EXCLUSIVE | STGM_CREATE | STGM_READWRITE, 0, &pStorage);
if (sc != S_OK) {
lpLockBytes = NULL;
pOleClientSite->Release();
return false;
}
// The final ole object which will be inserted in the richedit control
//
IOleObject *pOleObject;
pOleObject = pods->GetOleObject(pOleClientSite, pStorage);
if (pOleObject == NULL) {
pStorage->Release();
pOleClientSite->Release();
return false;
}
// all items are "contained" -- this makes our reference to this object
// weak -- which is needed for links to embedding silent update.
OleSetContainedObject(pOleObject, TRUE);
// Now Add the object to the RichEdit
//
REOBJECT reobject;
ZeroMemory(&reobject, sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
sc = pOleObject->GetUserClassID(&clsid);
if (sc != S_OK) {
pOleObject->Release();
pStorage->Release();
pOleClientSite->Release();
return false;
}
reobject.clsid = clsid;
reobject.cp = REO_CP_SELECTION ;
reobject.dvaspect = DVASPECT_CONTENT;
reobject.poleobj = pOleObject;
reobject.polesite = pOleClientSite;
reobject.pstg = pStorage;
reobject.dwFlags = bminfo.bmHeight <= 12 ? 0 : REO_BELOWBASELINE;
// Insert the bitmap at the current location in the richedit control
//
sc = pRichEditOle->InsertObject(&reobject);
// Release all unnecessary interfaces
//
pOleObject->Release();
pOleClientSite->Release();
lpLockBytes->Release();
pStorage->Release();
lpDataObject->Release();
if (sc != S_OK)
return false;
else
return true;
}
void CImageDataObject::SetBitmap(HBITMAP hBitmap)
{
STGMEDIUM stgm;
stgm.tymed = TYMED_GDI; // Storage medium = HBITMAP handle
stgm.hBitmap = hBitmap;
stgm.pUnkForRelease = NULL; // Use ReleaseStgMedium
FORMATETC fm;
fm.cfFormat = CF_BITMAP; // Clipboard format = CF_BITMAP
fm.ptd = NULL; // Target Device = Screen
fm.dwAspect = DVASPECT_CONTENT; // Level of detail = Full content
fm.lindex = -1; // Index = Not applicaple
fm.tymed = TYMED_GDI; // Storage medium = HBITMAP handle
this->SetData(&fm, &stgm, TRUE);
}
IOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)
{
SCODE sc;
IOleObject *pOleObject;
sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT,
&m_format, pOleClientSite, pStorage, (void **) & pOleObject);
if (sc != S_OK)
pOleObject = NULL;
return pOleObject;
}
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