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OS/2 Shareware BBS: 10 Tools
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yacl-012.zip
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ui
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dsplrsrc.h
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C/C++ Source or Header
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1995-04-08
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102 lines
#ifndef _resource_h_
#define _resource_h_
/*
*
* Copyright (C) 1994, M. A. Sridhar
*
*
* This software is Copyright M. A. Sridhar, 1994. You are free
* to copy, modify or distribute this software as you see fit,
* and to use it for any purpose, provided this copyright
* notice and the following disclaimer are included with all
* copies.
*
* DISCLAIMER
*
* The author makes no warranties, either expressed or implied,
* with respect to this software, its quality, performance,
* merchantability, or fitness for any particular purpose. This
* software is distributed AS IS. The user of this software
* assumes all risks as to its quality and performance. In no
* event shall the author be liable for any direct, indirect or
* consequential damages, even if the author has been advised
* as to the possibility of such damages.
*
*/
// Authors: M. A. Sridhar
// N. Bhowmik
#if defined(__GNUC__)
#pragma interface
#endif
#include "base/map.h"
#include "base/binding.h"
#if defined(__MS_WINDOWS__)
#elif defined(__X_MOTIF__)
#include <X11/Xlib.h>
#endif
typedef long UI_ResourceHandle;
class CL_EXPORT UI_DrawingSurface;
// A DiaplayResource is an abstraction of a resource used for drawing on a
// display surface. Specializations of this class include the Font, the
// Pen and the Brush.
class CL_EXPORT UI_DisplayResource: public CL_Object {
public:
UI_DisplayResource (UI_DrawingSurface* ctxt);
// Set up this resource to work with the given display context.
~UI_DisplayResource () {};
void Initialize ()
{_Setup();};
UI_ResourceHandle Handle() { return _handle;};
const char* ClassName() const { return "UI_DisplayResource";};
protected:
// ------------------- Instance variables ------------------------
UI_ResourceHandle _handle;
UI_DrawingSurface* _clientCtxt;
// ------------------- Protected methods -------------------------
virtual void _Setup () = 0;
// Set up the handle for this resource. Must be defined by derived
// class.
public:
void UseClient (UI_DrawingSurface* client);
// [YACL Internal use only]
};
#endif