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-rw-r--r--rfb_win32/DeviceContext.h86
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diff --git a/rfb_win32/DeviceContext.h b/rfb_win32/DeviceContext.h
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-/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- *
- * This 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 software 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 software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
-// DeviceContext base class, wrapping Windows HDC, plus some
-// helper classes tailored to particular types of DC, such as
-// window and device DCs.
-
-#ifndef __RFB_WIN32_DEVICECONTEXT_H__
-#define __RFB_WIN32_DEVICECONTEXT_H__
-
-#include <windows.h>
-#include <rfb/PixelFormat.h>
-#include <rfb/Rect.h>
-#include <rfb_win32/TCharArray.h>
-
-namespace rfb {
-
- namespace win32 {
-
- // Base class, providing methods to get the bounding (clip) box,
- // and the pixel format, and access to the HDC itself.
- class DeviceContext {
- public:
- DeviceContext() : dc(0) {}
- virtual ~DeviceContext() {}
- operator HDC() const {return dc;}
- PixelFormat getPF() const;
- static PixelFormat getPF(HDC dc);
- Rect getClipBox() const;
- static Rect getClipBox(HDC dc);
- protected:
- HDC dc;
- };
-
- // -=- DeviceContext that opens a specific display device
- class DeviceDC : public DeviceContext {
- public:
- DeviceDC(const TCHAR* deviceName);
- ~DeviceDC();
- };
-
- // Get a DC for a particular window's client area.
- class WindowDC : public DeviceContext {
- public:
- WindowDC(HWND wnd);
- virtual ~WindowDC();
- protected:
- HWND hwnd;
- };
-
- // Create a new DC, compatible with an existing one.
- class CompatibleDC : public DeviceContext {
- public:
- CompatibleDC(HDC existing);
- virtual ~CompatibleDC();
- };
-
- // Create a new DC, compatible with an existing one, and
- // select the specified bitmap into it.
- class BitmapDC : public CompatibleDC {
- public:
- BitmapDC(HDC hdc, HBITMAP hbitmap);
- ~BitmapDC();
- protected:
- HBITMAP oldBitmap;
- };
-
- };
-};
-
-#endif