/*** $Id: gdidecl.h,v 1.3 2005/01/04 07:11:16 limei Exp $**** The GDI module internal header.**** Copyright (C) 2000 ~ 2002 Wei Yongming.** Copyright (C) 2003 Feynman Software.**** Current maintainer: Wei Yongming.**** Create date: 2000.4.19*//*** 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*/#ifndef _MG_GDI_DECL#define _MG_GDI_DECL#ifndef _LITE_VERSIONextern BOOL dc_GenerateECRgn (PDC pdc, BOOL fForce);#define LOCK_GDI() \    pthread_mutex_lock(&__mg_gdilock);#define UNLOCK_GDI() \    pthread_mutex_unlock(&__mg_gdilock);#define LOCK_ECRGN_EX(pdc, hdc, action) \    if (dc_IsGeneralHDC(hdc)) { \        pthread_mutex_lock (&pdc->pGCRInfo->lock); \        if (!dc_GenerateECRgn (pdc, FALSE)) { \            pthread_mutex_unlock (&pdc->pGCRInfo->lock); \            action; \        } \    }#define UNLOCK_ECRGN_EX(pdc, hdc) \    if (dc_IsGeneralHDC(hdc)) pthread_mutex_unlock (&pdc->pGCRInfo->lock);#else#define LOCK_GDI()#define UNLOCK_GDI()#define LOCK_ECRGN_EX(pdc, hdc, action) \    if (!(pdc = __mg_check_ecrgn(hdc))) \        action;#ifndef _STAND_ALONE#define UNLOCK_ECRGN_EX(pdc, hdc) \    if (!mgIsServer && dc_IsGeneralDC(pdc)) unlock_scr_sem ();#else#define UNLOCK_ECRGN_EX(pdc, hdc)#endif#endif#define LOCK_ECRGN(action) LOCK_ECRGN_EX(pdc, hdc, action)#define UNLOCK_ECRGN() UNLOCK_ECRGN_EX(pdc, hdc)#endif /* _MG_GDI_DECL */