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/*
* OLE32 Initialization
*
* Copyright 2000 Huw D M Davies for CodeWeavers
*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "objbase.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
#define HIMETRIC_INCHES 2540
/***********************************************************************
* OleMetafilePictFromIconAndLabel (OLE32.@)
*/
HGLOBAL WINAPI OleMetafilePictFromIconAndLabel(HICON hIcon, LPOLESTR lpszLabel,
LPOLESTR lpszSourceFile, UINT iIconIndex)
{
METAFILEPICT mfp;
HDC hdc;
HGLOBAL hmem = NULL;
LPVOID mfdata;
static const char szIconOnly[] = "IconOnly";
SIZE text_size = { 0, 0 };
INT width;
INT icon_width;
INT icon_height;
INT label_offset;
HDC hdcScreen;
LOGFONTW lf;
HFONT font;
TRACE("%p %p %s %d\n", hIcon, lpszLabel, debugstr_w(lpszSourceFile), iIconIndex);
if( !hIcon )
return NULL;
if (!SystemParametersInfoW(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, 0))
return NULL;
font = CreateFontIndirectW(&lf);
if (!font)
return NULL;
hdc = CreateMetaFileW(NULL);
if( !hdc )
{
DeleteObject(font);
return NULL;
}
SelectObject(hdc, font);
ExtEscape(hdc, MFCOMMENT, sizeof(szIconOnly), szIconOnly, 0, NULL);
icon_width = GetSystemMetrics(SM_CXICON);
icon_height = GetSystemMetrics(SM_CYICON);
/* FIXME: should we give the label a bit of padding here? */
label_offset = icon_height;
if (lpszLabel)
{
HFONT screen_old_font;
/* metafile DCs don't support GetTextExtentPoint32, so size the font
* using the desktop window DC */
hdcScreen = GetDC(NULL);
screen_old_font = SelectObject(hdcScreen, font);
GetTextExtentPoint32W(hdcScreen, lpszLabel, lstrlenW(lpszLabel), &text_size);
SelectObject(hdcScreen, screen_old_font);
ReleaseDC(NULL, hdcScreen);
width = 3 * icon_width;
}
else
width = icon_width;
SetMapMode(hdc, MM_ANISOTROPIC);
SetWindowOrgEx(hdc, 0, 0, NULL);
SetWindowExtEx(hdc, width, label_offset + text_size.cy, NULL);
/* draw the icon centred */
DrawIcon(hdc, (width-icon_width) / 2, 0, hIcon);
if(lpszLabel)
/* draw the label centred too, if provided */
TextOutW(hdc, (width-text_size.cx) / 2, label_offset, lpszLabel, lstrlenW(lpszLabel));
if (lpszSourceFile)
{
char szIconIndex[10];
int path_length = WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,NULL,0,NULL,NULL);
if (path_length > 1)
{
char * szPath = CoTaskMemAlloc(path_length * sizeof(CHAR));
if (szPath)
{
WideCharToMultiByte(CP_ACP,0,lpszSourceFile,-1,szPath,path_length,NULL,NULL);
ExtEscape(hdc, MFCOMMENT, path_length, szPath, 0, NULL);
CoTaskMemFree(szPath);
}
}
snprintf(szIconIndex, 10, "%u", iIconIndex);
ExtEscape(hdc, MFCOMMENT, strlen(szIconIndex)+1, szIconIndex, 0, NULL);
}
mfp.mm = MM_ANISOTROPIC;
hdcScreen = GetDC(NULL);
mfp.xExt = MulDiv(width, HIMETRIC_INCHES, GetDeviceCaps(hdcScreen, LOGPIXELSX));
mfp.yExt = MulDiv(label_offset + text_size.cy, HIMETRIC_INCHES, GetDeviceCaps(hdcScreen, LOGPIXELSY));
ReleaseDC(NULL, hdcScreen);
mfp.hMF = CloseMetaFile(hdc);
DeleteObject(font);
if( !mfp.hMF )
return NULL;
hmem = GlobalAlloc( GMEM_MOVEABLE, sizeof(mfp) );
if( !hmem )
{
DeleteMetaFile(mfp.hMF);
return NULL;
}
mfdata = GlobalLock( hmem );
if( !mfdata )
{
GlobalFree( hmem );
DeleteMetaFile(mfp.hMF);
return NULL;
}
memcpy(mfdata,&mfp,sizeof(mfp));
GlobalUnlock( hmem );
TRACE("returning %p\n",hmem);
return hmem;
}
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