98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "common/textconsole.h"
|
|
#include "bagel/mfc/afxwin.h"
|
|
#include "bagel/mfc/win_hand.h"
|
|
|
|
namespace Bagel {
|
|
namespace MFC {
|
|
|
|
IMPLEMENT_DYNCREATE(CGdiObject, CObject)
|
|
|
|
CGdiObject::~CGdiObject() {
|
|
if (m_hObject && _permanent)
|
|
DeleteObject();
|
|
}
|
|
|
|
bool CGdiObject::Attach(HGDIOBJ hObject) {
|
|
// Detach any prior object
|
|
Detach();
|
|
|
|
// Attach new object
|
|
m_hObject = hObject;
|
|
AfxHookObject();
|
|
|
|
return true;
|
|
}
|
|
|
|
HGDIOBJ CGdiObject::Detach() {
|
|
HGDIOBJ result = m_hObject;
|
|
AfxUnhookObject();
|
|
|
|
return result;
|
|
}
|
|
|
|
bool CGdiObject::DeleteObject() {
|
|
AfxUnhookObject();
|
|
|
|
// Check added to ensure I don't accidentally
|
|
// delete the _defaultBitmap field of the CDC::Impl
|
|
assert(!dynamic_cast<CDC::DefaultBitmap *>(this));
|
|
|
|
delete m_hObject;
|
|
m_hObject = nullptr;
|
|
return true;
|
|
}
|
|
|
|
CGdiObject *CGdiObject::FromHandle(HGDIOBJ h) {
|
|
CHandleMap<CGdiObject> *pMap = AfxGetApp()->afxMapHGDIOBJ(true);
|
|
assert(pMap != nullptr);
|
|
|
|
CGdiObject *pObject = pMap->FromHandle(h);
|
|
assert(pObject == nullptr || pObject->m_hObject == h);
|
|
return pObject;
|
|
}
|
|
|
|
void CGdiObject::AfxHookObject() {
|
|
CHandleMap<CGdiObject> *pMap = AfxGetApp()->afxMapHGDIOBJ(true);
|
|
assert(pMap != nullptr);
|
|
|
|
if (!pMap->LookupPermanent(m_hObject)) {
|
|
pMap->SetPermanent(m_hObject, this);
|
|
_permanent = true;
|
|
}
|
|
}
|
|
|
|
void CGdiObject::AfxUnhookObject() {
|
|
if (m_hObject && _permanent) {
|
|
CHandleMap<CGdiObject> *pMap = AfxGetApp()->afxMapHGDIOBJ(true);
|
|
assert(pMap != nullptr);
|
|
|
|
pMap->RemoveHandle(m_hObject);
|
|
_permanent = false;
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace MFC
|
|
} // namespace Bagel
|